1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Rasmus Lerdorf <rasmus@php.net> |
16 | Stig Bakken <ssb@php.net> |
17 | Jim Winstead <jimw@php.net> |
18 +----------------------------------------------------------------------+
19 */
20
21 /* $Id$ */
22
23 /* gd 1.2 is copyright 1994, 1995, Quest Protein Database Center,
24 Cold Spring Harbor Labs. */
25
26 /* Note that there is no code from the gd package in this file */
27
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif
31
32 #include "php.h"
33 #include "php_ini.h"
34 #include "ext/standard/head.h"
35 #include <math.h>
36 #include "SAPI.h"
37 #include "php_gd.h"
38 #include "ext/standard/info.h"
39 #include "php_open_temporary_file.h"
40
41
42 #if HAVE_SYS_WAIT_H
43 # include <sys/wait.h>
44 #endif
45 #if HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48 #ifdef PHP_WIN32
49 # include <io.h>
50 # include <fcntl.h>
51 # include <windows.h>
52 # include <Winuser.h>
53 # include <Wingdi.h>
54 #endif
55
56 #if HAVE_LIBGD
57 #if !HAVE_GD_BUNDLED
58 # include "libgd/gd_compat.h"
59 #endif
60
61
62 static int le_gd, le_gd_font;
63 #if HAVE_LIBT1
64 #include <t1lib.h>
65 static int le_ps_font, le_ps_enc;
66 static void php_free_ps_font(zend_rsrc_list_entry *rsrc TSRMLS_DC);
67 static void php_free_ps_enc(zend_rsrc_list_entry *rsrc TSRMLS_DC);
68 #endif
69
70 #include <gd.h>
71 #include <gdfontt.h> /* 1 Tiny font */
72 #include <gdfonts.h> /* 2 Small font */
73 #include <gdfontmb.h> /* 3 Medium bold font */
74 #include <gdfontl.h> /* 4 Large font */
75 #include <gdfontg.h> /* 5 Giant font */
76
77 #ifdef HAVE_GD_WBMP
78 #include "libgd/wbmp.h"
79 #endif
80 #ifdef ENABLE_GD_TTF
81 # ifdef HAVE_LIBFREETYPE
82 # include <ft2build.h>
83 # include FT_FREETYPE_H
84 # endif
85 #endif
86
87 #ifndef M_PI
88 #define M_PI 3.14159265358979323846
89 #endif
90
91 #ifdef ENABLE_GD_TTF
92 static void php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS, int, int);
93 #endif
94
95 #if HAVE_LIBGD15
96 /* it's >= 1.5, i.e. has IOCtx */
97 #define USE_GD_IOCTX 1
98 #else
99 #undef USE_GD_IOCTX
100 #endif
101
102 #ifdef USE_GD_IOCTX
103 #include "gd_ctx.c"
104 #else
105 #define gdImageCreateFromGdCtx NULL
106 #define gdImageCreateFromGd2Ctx NULL
107 #define gdImageCreateFromGd2partCtx NULL
108 #define gdImageCreateFromGifCtx NULL
109 #define gdImageCreateFromJpegCtx NULL
110 #define gdImageCreateFromPngCtx NULL
111 #define gdImageCreateFromWBMPCtx NULL
112 typedef FILE gdIOCtx;
113 #define CTX_PUTC(c, fp) fputc(c, fp)
114 #endif
115
116 #ifndef HAVE_GDIMAGECOLORRESOLVE
117 extern int gdImageColorResolve(gdImagePtr, int, int, int);
118 #endif
119
120 #if HAVE_COLORCLOSESTHWB
121 int gdImageColorClosestHWB(gdImagePtr im, int r, int g, int b);
122 #endif
123
124 #ifndef HAVE_GD_DYNAMIC_CTX_EX
125 #define gdNewDynamicCtxEx(len, data, val) gdNewDynamicCtx(len, data)
126 #endif
127
128 /* Section Filters Declarations */
129 /* IMPORTANT NOTE FOR NEW FILTER
130 * Do not forget to update:
131 * IMAGE_FILTER_MAX: define the last filter index
132 * IMAGE_FILTER_MAX_ARGS: define the biggest amout of arguments
133 * image_filter array in PHP_FUNCTION(imagefilter)
134 * */
135 #define IMAGE_FILTER_NEGATE 0
136 #define IMAGE_FILTER_GRAYSCALE 1
137 #define IMAGE_FILTER_BRIGHTNESS 2
138 #define IMAGE_FILTER_CONTRAST 3
139 #define IMAGE_FILTER_COLORIZE 4
140 #define IMAGE_FILTER_EDGEDETECT 5
141 #define IMAGE_FILTER_EMBOSS 6
142 #define IMAGE_FILTER_GAUSSIAN_BLUR 7
143 #define IMAGE_FILTER_SELECTIVE_BLUR 8
144 #define IMAGE_FILTER_MEAN_REMOVAL 9
145 #define IMAGE_FILTER_SMOOTH 10
146 #define IMAGE_FILTER_PIXELATE 11
147 #define IMAGE_FILTER_MAX 11
148 #define IMAGE_FILTER_MAX_ARGS 6
149 static void php_image_filter_negate(INTERNAL_FUNCTION_PARAMETERS);
150 static void php_image_filter_grayscale(INTERNAL_FUNCTION_PARAMETERS);
151 static void php_image_filter_brightness(INTERNAL_FUNCTION_PARAMETERS);
152 static void php_image_filter_contrast(INTERNAL_FUNCTION_PARAMETERS);
153 static void php_image_filter_colorize(INTERNAL_FUNCTION_PARAMETERS);
154 static void php_image_filter_edgedetect(INTERNAL_FUNCTION_PARAMETERS);
155 static void php_image_filter_emboss(INTERNAL_FUNCTION_PARAMETERS);
156 static void php_image_filter_gaussian_blur(INTERNAL_FUNCTION_PARAMETERS);
157 static void php_image_filter_selective_blur(INTERNAL_FUNCTION_PARAMETERS);
158 static void php_image_filter_mean_removal(INTERNAL_FUNCTION_PARAMETERS);
159 static void php_image_filter_smooth(INTERNAL_FUNCTION_PARAMETERS);
160 static void php_image_filter_pixelate(INTERNAL_FUNCTION_PARAMETERS);
161
162 /* End Section filters declarations */
163 static gdImagePtr _php_image_create_from_string (zval **Data, char *tn, gdImagePtr (*ioctx_func_p)() TSRMLS_DC);
164 static void _php_image_create_from(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, gdImagePtr (*func_p)(), gdImagePtr (*ioctx_func_p)());
165 static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)());
166 static int _php_image_type(char data[8]);
167 static void _php_image_convert(INTERNAL_FUNCTION_PARAMETERS, int image_type);
168 static void _php_image_bw_convert(gdImagePtr im_org, gdIOCtx *out, int threshold);
169
170 /* {{{ arginfo */
171 ZEND_BEGIN_ARG_INFO(arginfo_gd_info, 0)
172 ZEND_END_ARG_INFO()
173
174 ZEND_BEGIN_ARG_INFO(arginfo_imageloadfont, 0)
175 ZEND_ARG_INFO(0, filename)
176 ZEND_END_ARG_INFO()
177
178 ZEND_BEGIN_ARG_INFO(arginfo_imagesetstyle, 0)
179 ZEND_ARG_INFO(0, im)
180 ZEND_ARG_INFO(0, styles) /* ARRAY_INFO(0, styles, 0) */
181 ZEND_END_ARG_INFO()
182
183 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatetruecolor, 0)
184 ZEND_ARG_INFO(0, x_size)
185 ZEND_ARG_INFO(0, y_size)
186 ZEND_END_ARG_INFO()
187
188 ZEND_BEGIN_ARG_INFO(arginfo_imageistruecolor, 0)
189 ZEND_ARG_INFO(0, im)
190 ZEND_END_ARG_INFO()
191
192 ZEND_BEGIN_ARG_INFO(arginfo_imagetruecolortopalette, 0)
193 ZEND_ARG_INFO(0, im)
194 ZEND_ARG_INFO(0, ditherFlag)
195 ZEND_ARG_INFO(0, colorsWanted)
196 ZEND_END_ARG_INFO()
197
198 ZEND_BEGIN_ARG_INFO(arginfo_imagecolormatch, 0)
199 ZEND_ARG_INFO(0, im1)
200 ZEND_ARG_INFO(0, im2)
201 ZEND_END_ARG_INFO()
202
203 ZEND_BEGIN_ARG_INFO(arginfo_imagesetthickness, 0)
204 ZEND_ARG_INFO(0, im)
205 ZEND_ARG_INFO(0, thickness)
206 ZEND_END_ARG_INFO()
207
208 ZEND_BEGIN_ARG_INFO(arginfo_imagefilledellipse, 0)
209 ZEND_ARG_INFO(0, im)
210 ZEND_ARG_INFO(0, cx)
211 ZEND_ARG_INFO(0, cy)
212 ZEND_ARG_INFO(0, w)
213 ZEND_ARG_INFO(0, h)
214 ZEND_ARG_INFO(0, color)
215 ZEND_END_ARG_INFO()
216
217 ZEND_BEGIN_ARG_INFO(arginfo_imagefilledarc, 0)
218 ZEND_ARG_INFO(0, im)
219 ZEND_ARG_INFO(0, cx)
220 ZEND_ARG_INFO(0, cy)
221 ZEND_ARG_INFO(0, w)
222 ZEND_ARG_INFO(0, h)
223 ZEND_ARG_INFO(0, s)
224 ZEND_ARG_INFO(0, e)
225 ZEND_ARG_INFO(0, col)
226 ZEND_ARG_INFO(0, style)
227 ZEND_END_ARG_INFO()
228
229 ZEND_BEGIN_ARG_INFO(arginfo_imagealphablending, 0)
230 ZEND_ARG_INFO(0, im)
231 ZEND_ARG_INFO(0, blend)
232 ZEND_END_ARG_INFO()
233
234 ZEND_BEGIN_ARG_INFO(arginfo_imagesavealpha, 0)
235 ZEND_ARG_INFO(0, im)
236 ZEND_ARG_INFO(0, save)
237 ZEND_END_ARG_INFO()
238
239 #if HAVE_GD_BUNDLED
240 ZEND_BEGIN_ARG_INFO(arginfo_imagelayereffect, 0)
241 ZEND_ARG_INFO(0, im)
242 ZEND_ARG_INFO(0, effect)
243 ZEND_END_ARG_INFO()
244 #endif
245
246 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorallocatealpha, 0)
247 ZEND_ARG_INFO(0, im)
248 ZEND_ARG_INFO(0, red)
249 ZEND_ARG_INFO(0, green)
250 ZEND_ARG_INFO(0, blue)
251 ZEND_ARG_INFO(0, alpha)
252 ZEND_END_ARG_INFO()
253
254 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorresolvealpha, 0)
255 ZEND_ARG_INFO(0, im)
256 ZEND_ARG_INFO(0, red)
257 ZEND_ARG_INFO(0, green)
258 ZEND_ARG_INFO(0, blue)
259 ZEND_ARG_INFO(0, alpha)
260 ZEND_END_ARG_INFO()
261
262 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorclosestalpha, 0)
263 ZEND_ARG_INFO(0, im)
264 ZEND_ARG_INFO(0, red)
265 ZEND_ARG_INFO(0, green)
266 ZEND_ARG_INFO(0, blue)
267 ZEND_ARG_INFO(0, alpha)
268 ZEND_END_ARG_INFO()
269
270 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorexactalpha, 0)
271 ZEND_ARG_INFO(0, im)
272 ZEND_ARG_INFO(0, red)
273 ZEND_ARG_INFO(0, green)
274 ZEND_ARG_INFO(0, blue)
275 ZEND_ARG_INFO(0, alpha)
276 ZEND_END_ARG_INFO()
277
278 ZEND_BEGIN_ARG_INFO(arginfo_imagecopyresampled, 0)
279 ZEND_ARG_INFO(0, dst_im)
280 ZEND_ARG_INFO(0, src_im)
281 ZEND_ARG_INFO(0, dst_x)
282 ZEND_ARG_INFO(0, dst_y)
283 ZEND_ARG_INFO(0, src_x)
284 ZEND_ARG_INFO(0, src_y)
285 ZEND_ARG_INFO(0, dst_w)
286 ZEND_ARG_INFO(0, dst_h)
287 ZEND_ARG_INFO(0, src_w)
288 ZEND_ARG_INFO(0, src_h)
289 ZEND_END_ARG_INFO()
290
291 #ifdef PHP_WIN32
292 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegrabwindow, 0, 0, 1)
293 ZEND_ARG_INFO(0, handle)
294 ZEND_ARG_INFO(0, client_area)
295 ZEND_END_ARG_INFO()
296
297 ZEND_BEGIN_ARG_INFO(arginfo_imagegrabscreen, 0)
298 ZEND_END_ARG_INFO()
299 #endif
300
301 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagerotate, 0, 0, 3)
302 ZEND_ARG_INFO(0, im)
303 ZEND_ARG_INFO(0, angle)
304 ZEND_ARG_INFO(0, bgdcolor)
305 ZEND_ARG_INFO(0, ignoretransparent)
306 ZEND_END_ARG_INFO()
307
308 #if HAVE_GD_IMAGESETTILE
309 ZEND_BEGIN_ARG_INFO(arginfo_imagesettile, 0)
310 ZEND_ARG_INFO(0, im)
311 ZEND_ARG_INFO(0, tile)
312 ZEND_END_ARG_INFO()
313 #endif
314
315 #if HAVE_GD_IMAGESETBRUSH
316 ZEND_BEGIN_ARG_INFO(arginfo_imagesetbrush, 0)
317 ZEND_ARG_INFO(0, im)
318 ZEND_ARG_INFO(0, brush)
319 ZEND_END_ARG_INFO()
320 #endif
321
322 ZEND_BEGIN_ARG_INFO(arginfo_imagecreate, 0)
323 ZEND_ARG_INFO(0, x_size)
324 ZEND_ARG_INFO(0, y_size)
325 ZEND_END_ARG_INFO()
326
327 ZEND_BEGIN_ARG_INFO(arginfo_imagetypes, 0)
328 ZEND_END_ARG_INFO()
329
330 #if HAVE_LIBGD15
331 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromstring, 0)
332 ZEND_ARG_INFO(0, image)
333 ZEND_END_ARG_INFO()
334 #endif
335
336 #ifdef HAVE_GD_GIF_READ
337 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgif, 0)
338 ZEND_ARG_INFO(0, filename)
339 ZEND_END_ARG_INFO()
340 #endif
341
342 #ifdef HAVE_GD_JPG
343 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromjpeg, 0)
344 ZEND_ARG_INFO(0, filename)
345 ZEND_END_ARG_INFO()
346 #endif
347
348 #ifdef HAVE_GD_PNG
349 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefrompng, 0)
350 ZEND_ARG_INFO(0, filename)
351 ZEND_END_ARG_INFO()
352 #endif
353
354 #ifdef HAVE_GD_XBM
355 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromxbm, 0)
356 ZEND_ARG_INFO(0, filename)
357 ZEND_END_ARG_INFO()
358 #endif
359
360 #if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
361 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromxpm, 0)
362 ZEND_ARG_INFO(0, filename)
363 ZEND_END_ARG_INFO()
364 #endif
365
366 #ifdef HAVE_GD_WBMP
367 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromwbmp, 0)
368 ZEND_ARG_INFO(0, filename)
369 ZEND_END_ARG_INFO()
370 #endif
371
372 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgd, 0)
373 ZEND_ARG_INFO(0, filename)
374 ZEND_END_ARG_INFO()
375
376 #ifdef HAVE_GD_GD2
377 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgd2, 0)
378 ZEND_ARG_INFO(0, filename)
379 ZEND_END_ARG_INFO()
380
381 ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgd2part, 0)
382 ZEND_ARG_INFO(0, filename)
383 ZEND_ARG_INFO(0, srcX)
384 ZEND_ARG_INFO(0, srcY)
385 ZEND_ARG_INFO(0, width)
386 ZEND_ARG_INFO(0, height)
387 ZEND_END_ARG_INFO()
388 #endif
389
390 #if HAVE_GD_BUNDLED
391 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagexbm, 0, 0, 2)
392 ZEND_ARG_INFO(0, im)
393 ZEND_ARG_INFO(0, filename)
394 ZEND_ARG_INFO(0, foreground)
395 ZEND_END_ARG_INFO()
396 #endif
397
398 #ifdef HAVE_GD_GIF_CREATE
399 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegif, 0, 0, 1)
400 ZEND_ARG_INFO(0, im)
401 ZEND_ARG_INFO(0, filename)
402 ZEND_END_ARG_INFO()
403 #endif
404
405 #ifdef HAVE_GD_PNG
406 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagepng, 0, 0, 1)
407 ZEND_ARG_INFO(0, im)
408 ZEND_ARG_INFO(0, filename)
409 ZEND_END_ARG_INFO()
410 #endif
411
412 #ifdef HAVE_GD_JPG
413 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagejpeg, 0, 0, 1)
414 ZEND_ARG_INFO(0, im)
415 ZEND_ARG_INFO(0, filename)
416 ZEND_ARG_INFO(0, quality)
417 ZEND_END_ARG_INFO()
418 #endif
419
420 #ifdef HAVE_GD_WBMP
421 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagewbmp, 0, 0, 1)
422 ZEND_ARG_INFO(0, im)
423 ZEND_ARG_INFO(0, filename)
424 ZEND_ARG_INFO(0, foreground)
425 ZEND_END_ARG_INFO()
426 #endif
427
428 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegd, 0, 0, 1)
429 ZEND_ARG_INFO(0, im)
430 ZEND_ARG_INFO(0, filename)
431 ZEND_END_ARG_INFO()
432
433 #ifdef HAVE_GD_GD2
434 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegd2, 0, 0, 1)
435 ZEND_ARG_INFO(0, im)
436 ZEND_ARG_INFO(0, filename)
437 ZEND_ARG_INFO(0, chunk_size)
438 ZEND_ARG_INFO(0, type)
439 ZEND_END_ARG_INFO()
440 #endif
441
442 ZEND_BEGIN_ARG_INFO(arginfo_imagedestroy, 0)
443 ZEND_ARG_INFO(0, im)
444 ZEND_END_ARG_INFO()
445
446 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorallocate, 0)
447 ZEND_ARG_INFO(0, im)
448 ZEND_ARG_INFO(0, red)
449 ZEND_ARG_INFO(0, green)
450 ZEND_ARG_INFO(0, blue)
451 ZEND_END_ARG_INFO()
452
453 #if HAVE_LIBGD15
454 ZEND_BEGIN_ARG_INFO(arginfo_imagepalettecopy, 0)
455 ZEND_ARG_INFO(0, dst)
456 ZEND_ARG_INFO(0, src)
457 ZEND_END_ARG_INFO()
458 #endif
459
460 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorat, 0)
461 ZEND_ARG_INFO(0, im)
462 ZEND_ARG_INFO(0, x)
463 ZEND_ARG_INFO(0, y)
464 ZEND_END_ARG_INFO()
465
466 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorclosest, 0)
467 ZEND_ARG_INFO(0, im)
468 ZEND_ARG_INFO(0, red)
469 ZEND_ARG_INFO(0, green)
470 ZEND_ARG_INFO(0, blue)
471 ZEND_END_ARG_INFO()
472
473 #if HAVE_COLORCLOSESTHWB
474 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorclosesthwb, 0)
475 ZEND_ARG_INFO(0, im)
476 ZEND_ARG_INFO(0, red)
477 ZEND_ARG_INFO(0, green)
478 ZEND_ARG_INFO(0, blue)
479 ZEND_END_ARG_INFO()
480 #endif
481
482 ZEND_BEGIN_ARG_INFO(arginfo_imagecolordeallocate, 0)
483 ZEND_ARG_INFO(0, im)
484 ZEND_ARG_INFO(0, index)
485 ZEND_END_ARG_INFO()
486
487 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorresolve, 0)
488 ZEND_ARG_INFO(0, im)
489 ZEND_ARG_INFO(0, red)
490 ZEND_ARG_INFO(0, green)
491 ZEND_ARG_INFO(0, blue)
492 ZEND_END_ARG_INFO()
493
494 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorexact, 0)
495 ZEND_ARG_INFO(0, im)
496 ZEND_ARG_INFO(0, red)
497 ZEND_ARG_INFO(0, green)
498 ZEND_ARG_INFO(0, blue)
499 ZEND_END_ARG_INFO()
500
501 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorset, 0)
502 ZEND_ARG_INFO(0, im)
503 ZEND_ARG_INFO(0, color)
504 ZEND_ARG_INFO(0, red)
505 ZEND_ARG_INFO(0, green)
506 ZEND_ARG_INFO(0, blue)
507 ZEND_END_ARG_INFO()
508
509 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorsforindex, 0)
510 ZEND_ARG_INFO(0, im)
511 ZEND_ARG_INFO(0, index)
512 ZEND_END_ARG_INFO()
513
514 ZEND_BEGIN_ARG_INFO(arginfo_imagegammacorrect, 0)
515 ZEND_ARG_INFO(0, im)
516 ZEND_ARG_INFO(0, inputgamma)
517 ZEND_ARG_INFO(0, outputgamma)
518 ZEND_END_ARG_INFO()
519
520 ZEND_BEGIN_ARG_INFO(arginfo_imagesetpixel, 0)
521 ZEND_ARG_INFO(0, im)
522 ZEND_ARG_INFO(0, x)
523 ZEND_ARG_INFO(0, y)
524 ZEND_ARG_INFO(0, col)
525 ZEND_END_ARG_INFO()
526
527 ZEND_BEGIN_ARG_INFO(arginfo_imageline, 0)
528 ZEND_ARG_INFO(0, im)
529 ZEND_ARG_INFO(0, x1)
530 ZEND_ARG_INFO(0, y1)
531 ZEND_ARG_INFO(0, x2)
532 ZEND_ARG_INFO(0, y2)
533 ZEND_ARG_INFO(0, col)
534 ZEND_END_ARG_INFO()
535
536 ZEND_BEGIN_ARG_INFO(arginfo_imagedashedline, 0)
537 ZEND_ARG_INFO(0, im)
538 ZEND_ARG_INFO(0, x1)
539 ZEND_ARG_INFO(0, y1)
540 ZEND_ARG_INFO(0, x2)
541 ZEND_ARG_INFO(0, y2)
542 ZEND_ARG_INFO(0, col)
543 ZEND_END_ARG_INFO()
544
545 ZEND_BEGIN_ARG_INFO(arginfo_imagerectangle, 0)
546 ZEND_ARG_INFO(0, im)
547 ZEND_ARG_INFO(0, x1)
548 ZEND_ARG_INFO(0, y1)
549 ZEND_ARG_INFO(0, x2)
550 ZEND_ARG_INFO(0, y2)
551 ZEND_ARG_INFO(0, col)
552 ZEND_END_ARG_INFO()
553
554 ZEND_BEGIN_ARG_INFO(arginfo_imagefilledrectangle, 0)
555 ZEND_ARG_INFO(0, im)
556 ZEND_ARG_INFO(0, x1)
557 ZEND_ARG_INFO(0, y1)
558 ZEND_ARG_INFO(0, x2)
559 ZEND_ARG_INFO(0, y2)
560 ZEND_ARG_INFO(0, col)
561 ZEND_END_ARG_INFO()
562
563 ZEND_BEGIN_ARG_INFO(arginfo_imagearc, 0)
564 ZEND_ARG_INFO(0, im)
565 ZEND_ARG_INFO(0, cx)
566 ZEND_ARG_INFO(0, cy)
567 ZEND_ARG_INFO(0, w)
568 ZEND_ARG_INFO(0, h)
569 ZEND_ARG_INFO(0, s)
570 ZEND_ARG_INFO(0, e)
571 ZEND_ARG_INFO(0, col)
572 ZEND_END_ARG_INFO()
573
574 ZEND_BEGIN_ARG_INFO(arginfo_imageellipse, 0)
575 ZEND_ARG_INFO(0, im)
576 ZEND_ARG_INFO(0, cx)
577 ZEND_ARG_INFO(0, cy)
578 ZEND_ARG_INFO(0, w)
579 ZEND_ARG_INFO(0, h)
580 ZEND_ARG_INFO(0, color)
581 ZEND_END_ARG_INFO()
582
583 ZEND_BEGIN_ARG_INFO(arginfo_imagefilltoborder, 0)
584 ZEND_ARG_INFO(0, im)
585 ZEND_ARG_INFO(0, x)
586 ZEND_ARG_INFO(0, y)
587 ZEND_ARG_INFO(0, border)
588 ZEND_ARG_INFO(0, col)
589 ZEND_END_ARG_INFO()
590
591 ZEND_BEGIN_ARG_INFO(arginfo_imagefill, 0)
592 ZEND_ARG_INFO(0, im)
593 ZEND_ARG_INFO(0, x)
594 ZEND_ARG_INFO(0, y)
595 ZEND_ARG_INFO(0, col)
596 ZEND_END_ARG_INFO()
597
598 ZEND_BEGIN_ARG_INFO(arginfo_imagecolorstotal, 0)
599 ZEND_ARG_INFO(0, im)
600 ZEND_END_ARG_INFO()
601
602 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagecolortransparent, 0, 0, 1)
603 ZEND_ARG_INFO(0, im)
604 ZEND_ARG_INFO(0, col)
605 ZEND_END_ARG_INFO()
606
607 ZEND_BEGIN_ARG_INFO_EX(arginfo_imageinterlace, 0, 0, 1)
608 ZEND_ARG_INFO(0, im)
609 ZEND_ARG_INFO(0, interlace)
610 ZEND_END_ARG_INFO()
611
612 ZEND_BEGIN_ARG_INFO(arginfo_imagepolygon, 0)
613 ZEND_ARG_INFO(0, im)
614 ZEND_ARG_INFO(0, points) /* ARRAY_INFO(0, points, 0) */
615 ZEND_ARG_INFO(0, num_pos)
616 ZEND_ARG_INFO(0, col)
617 ZEND_END_ARG_INFO()
618
619 ZEND_BEGIN_ARG_INFO(arginfo_imagefilledpolygon, 0)
620 ZEND_ARG_INFO(0, im)
621 ZEND_ARG_INFO(0, points) /* ARRAY_INFO(0, points, 0) */
622 ZEND_ARG_INFO(0, num_pos)
623 ZEND_ARG_INFO(0, col)
624 ZEND_END_ARG_INFO()
625
626 ZEND_BEGIN_ARG_INFO(arginfo_imagefontwidth, 0)
627 ZEND_ARG_INFO(0, font)
628 ZEND_END_ARG_INFO()
629
630 ZEND_BEGIN_ARG_INFO(arginfo_imagefontheight, 0)
631 ZEND_ARG_INFO(0, font)
632 ZEND_END_ARG_INFO()
633
634 ZEND_BEGIN_ARG_INFO(arginfo_imagechar, 0)
635 ZEND_ARG_INFO(0, im)
636 ZEND_ARG_INFO(0, font)
637 ZEND_ARG_INFO(0, x)
638 ZEND_ARG_INFO(0, y)
639 ZEND_ARG_INFO(0, c)
640 ZEND_ARG_INFO(0, col)
641 ZEND_END_ARG_INFO()
642
643 ZEND_BEGIN_ARG_INFO(arginfo_imagecharup, 0)
644 ZEND_ARG_INFO(0, im)
645 ZEND_ARG_INFO(0, font)
646 ZEND_ARG_INFO(0, x)
647 ZEND_ARG_INFO(0, y)
648 ZEND_ARG_INFO(0, c)
649 ZEND_ARG_INFO(0, col)
650 ZEND_END_ARG_INFO()
651
652 ZEND_BEGIN_ARG_INFO(arginfo_imagestring, 0)
653 ZEND_ARG_INFO(0, im)
654 ZEND_ARG_INFO(0, font)
655 ZEND_ARG_INFO(0, x)
656 ZEND_ARG_INFO(0, y)
657 ZEND_ARG_INFO(0, str)
658 ZEND_ARG_INFO(0, col)
659 ZEND_END_ARG_INFO()
660
661 ZEND_BEGIN_ARG_INFO(arginfo_imagestringup, 0)
662 ZEND_ARG_INFO(0, im)
663 ZEND_ARG_INFO(0, font)
664 ZEND_ARG_INFO(0, x)
665 ZEND_ARG_INFO(0, y)
666 ZEND_ARG_INFO(0, str)
667 ZEND_ARG_INFO(0, col)
668 ZEND_END_ARG_INFO()
669
670 ZEND_BEGIN_ARG_INFO(arginfo_imagecopy, 0)
671 ZEND_ARG_INFO(0, dst_im)
672 ZEND_ARG_INFO(0, src_im)
673 ZEND_ARG_INFO(0, dst_x)
674 ZEND_ARG_INFO(0, dst_y)
675 ZEND_ARG_INFO(0, src_x)
676 ZEND_ARG_INFO(0, src_y)
677 ZEND_ARG_INFO(0, src_w)
678 ZEND_ARG_INFO(0, src_h)
679 ZEND_END_ARG_INFO()
680
681 #if HAVE_LIBGD15
682 ZEND_BEGIN_ARG_INFO(arginfo_imagecopymerge, 0)
683 ZEND_ARG_INFO(0, src_im)
684 ZEND_ARG_INFO(0, dst_im)
685 ZEND_ARG_INFO(0, dst_x)
686 ZEND_ARG_INFO(0, dst_y)
687 ZEND_ARG_INFO(0, src_x)
688 ZEND_ARG_INFO(0, src_y)
689 ZEND_ARG_INFO(0, src_w)
690 ZEND_ARG_INFO(0, src_h)
691 ZEND_ARG_INFO(0, pct)
692 ZEND_END_ARG_INFO()
693
694 ZEND_BEGIN_ARG_INFO(arginfo_imagecopymergegray, 0)
695 ZEND_ARG_INFO(0, src_im)
696 ZEND_ARG_INFO(0, dst_im)
697 ZEND_ARG_INFO(0, dst_x)
698 ZEND_ARG_INFO(0, dst_y)
699 ZEND_ARG_INFO(0, src_x)
700 ZEND_ARG_INFO(0, src_y)
701 ZEND_ARG_INFO(0, src_w)
702 ZEND_ARG_INFO(0, src_h)
703 ZEND_ARG_INFO(0, pct)
704 ZEND_END_ARG_INFO()
705 #endif
706
707 ZEND_BEGIN_ARG_INFO(arginfo_imagecopyresized, 0)
708 ZEND_ARG_INFO(0, dst_im)
709 ZEND_ARG_INFO(0, src_im)
710 ZEND_ARG_INFO(0, dst_x)
711 ZEND_ARG_INFO(0, dst_y)
712 ZEND_ARG_INFO(0, src_x)
713 ZEND_ARG_INFO(0, src_y)
714 ZEND_ARG_INFO(0, dst_w)
715 ZEND_ARG_INFO(0, dst_h)
716 ZEND_ARG_INFO(0, src_w)
717 ZEND_ARG_INFO(0, src_h)
718 ZEND_END_ARG_INFO()
719
720 ZEND_BEGIN_ARG_INFO(arginfo_imagesx, 0)
721 ZEND_ARG_INFO(0, im)
722 ZEND_END_ARG_INFO()
723
724 ZEND_BEGIN_ARG_INFO(arginfo_imagesy, 0)
725 ZEND_ARG_INFO(0, im)
726 ZEND_END_ARG_INFO()
727
728 #ifdef ENABLE_GD_TTF
729 #if HAVE_LIBFREETYPE && HAVE_GD_STRINGFTEX
730 ZEND_BEGIN_ARG_INFO_EX(arginfo_imageftbbox, 0, 0, 4)
731 ZEND_ARG_INFO(0, size)
732 ZEND_ARG_INFO(0, angle)
733 ZEND_ARG_INFO(0, font_file)
734 ZEND_ARG_INFO(0, text)
735 ZEND_ARG_INFO(0, extrainfo) /* ARRAY_INFO(0, extrainfo, 0) */
736 ZEND_END_ARG_INFO()
737
738 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagefttext, 0, 0, 8)
739 ZEND_ARG_INFO(0, im)
740 ZEND_ARG_INFO(0, size)
741 ZEND_ARG_INFO(0, angle)
742 ZEND_ARG_INFO(0, x)
743 ZEND_ARG_INFO(0, y)
744 ZEND_ARG_INFO(0, col)
745 ZEND_ARG_INFO(0, font_file)
746 ZEND_ARG_INFO(0, text)
747 ZEND_ARG_INFO(0, extrainfo) /* ARRAY_INFO(0, extrainfo, 0) */
748 ZEND_END_ARG_INFO()
749 #endif
750
751 ZEND_BEGIN_ARG_INFO(arginfo_imagettfbbox, 0)
752 ZEND_ARG_INFO(0, size)
753 ZEND_ARG_INFO(0, angle)
754 ZEND_ARG_INFO(0, font_file)
755 ZEND_ARG_INFO(0, text)
756 ZEND_END_ARG_INFO()
757
758 ZEND_BEGIN_ARG_INFO(arginfo_imagettftext, 0)
759 ZEND_ARG_INFO(0, im)
760 ZEND_ARG_INFO(0, size)
761 ZEND_ARG_INFO(0, angle)
762 ZEND_ARG_INFO(0, x)
763 ZEND_ARG_INFO(0, y)
764 ZEND_ARG_INFO(0, col)
765 ZEND_ARG_INFO(0, font_file)
766 ZEND_ARG_INFO(0, text)
767 ZEND_END_ARG_INFO()
768 #endif
769
770 #ifdef HAVE_LIBT1
771 ZEND_BEGIN_ARG_INFO(arginfo_imagepsloadfont, 0)
772 ZEND_ARG_INFO(0, pathname)
773 ZEND_END_ARG_INFO()
774
775 /*
776 ZEND_BEGIN_ARG_INFO(arginfo_imagepscopyfont, 0)
777 ZEND_ARG_INFO(0, font_index)
778 ZEND_END_ARG_INFO()
779 */
780
781 ZEND_BEGIN_ARG_INFO(arginfo_imagepsfreefont, 0)
782 ZEND_ARG_INFO(0, font_index)
783 ZEND_END_ARG_INFO()
784
785 ZEND_BEGIN_ARG_INFO(arginfo_imagepsencodefont, 0)
786 ZEND_ARG_INFO(0, font_index)
787 ZEND_ARG_INFO(0, filename)
788 ZEND_END_ARG_INFO()
789
790 ZEND_BEGIN_ARG_INFO(arginfo_imagepsextendfont, 0)
791 ZEND_ARG_INFO(0, font_index)
792 ZEND_ARG_INFO(0, extend)
793 ZEND_END_ARG_INFO()
794
795 ZEND_BEGIN_ARG_INFO(arginfo_imagepsslantfont, 0)
796 ZEND_ARG_INFO(0, font_index)
797 ZEND_ARG_INFO(0, slant)
798 ZEND_END_ARG_INFO()
799
800 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagepstext, 0, 0, 8)
801 ZEND_ARG_INFO(0, im)
802 ZEND_ARG_INFO(0, text)
803 ZEND_ARG_INFO(0, font)
804 ZEND_ARG_INFO(0, size)
805 ZEND_ARG_INFO(0, foreground)
806 ZEND_ARG_INFO(0, background)
807 ZEND_ARG_INFO(0, xcoord)
808 ZEND_ARG_INFO(0, ycoord)
809 ZEND_ARG_INFO(0, space)
810 ZEND_ARG_INFO(0, tightness)
811 ZEND_ARG_INFO(0, angle)
812 ZEND_ARG_INFO(0, antialias)
813 ZEND_END_ARG_INFO()
814
815 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagepsbbox, 0, 0, 3)
816 ZEND_ARG_INFO(0, text)
817 ZEND_ARG_INFO(0, font)
818 ZEND_ARG_INFO(0, size)
819 ZEND_ARG_INFO(0, space)
820 ZEND_ARG_INFO(0, tightness)
821 ZEND_ARG_INFO(0, angle)
822 ZEND_END_ARG_INFO()
823 #endif
824
825 #ifdef HAVE_GD_WBMP
826 ZEND_BEGIN_ARG_INFO_EX(arginfo_image2wbmp, 0, 0, 1)
827 ZEND_ARG_INFO(0, im)
828 ZEND_ARG_INFO(0, filename)
829 ZEND_ARG_INFO(0, threshold)
830 ZEND_END_ARG_INFO()
831 #endif
832
833 #if defined(HAVE_GD_JPG) && defined(HAVE_GD_WBMP)
834 ZEND_BEGIN_ARG_INFO(arginfo_jpeg2wbmp, 0)
835 ZEND_ARG_INFO(0, f_org)
836 ZEND_ARG_INFO(0, f_dest)
837 ZEND_ARG_INFO(0, d_height)
838 ZEND_ARG_INFO(0, d_width)
839 ZEND_ARG_INFO(0, d_threshold)
840 ZEND_END_ARG_INFO()
841 #endif
842
843 #if defined(HAVE_GD_PNG) && defined(HAVE_GD_WBMP)
844 ZEND_BEGIN_ARG_INFO(arginfo_png2wbmp, 0)
845 ZEND_ARG_INFO(0, f_org)
846 ZEND_ARG_INFO(0, f_dest)
847 ZEND_ARG_INFO(0, d_height)
848 ZEND_ARG_INFO(0, d_width)
849 ZEND_ARG_INFO(0, d_threshold)
850 ZEND_END_ARG_INFO()
851 #endif
852
853 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagefilter, 0, 0, 2)
854 ZEND_ARG_INFO(0, im)
855 ZEND_ARG_INFO(0, filtertype)
856 ZEND_ARG_INFO(0, arg1)
857 ZEND_ARG_INFO(0, arg2)
858 ZEND_ARG_INFO(0, arg3)
859 ZEND_ARG_INFO(0, arg4)
860 ZEND_END_ARG_INFO()
861
862 ZEND_BEGIN_ARG_INFO(arginfo_imageconvolution, 0)
863 ZEND_ARG_INFO(0, im)
864 ZEND_ARG_INFO(0, matrix3x3) /* ARRAY_INFO(0, matrix3x3, 0) */
865 ZEND_ARG_INFO(0, div)
866 ZEND_ARG_INFO(0, offset)
867 ZEND_END_ARG_INFO()
868
869 #ifdef HAVE_GD_BUNDLED
870 ZEND_BEGIN_ARG_INFO(arginfo_imageantialias, 0)
871 ZEND_ARG_INFO(0, im)
872 ZEND_ARG_INFO(0, on)
873 ZEND_END_ARG_INFO()
874 #endif
875
876 /* }}} */
877
878 /* {{{ gd_functions[]
879 */
880 const zend_function_entry gd_functions[] = {
881 PHP_FE(gd_info, arginfo_gd_info)
882 PHP_FE(imagearc, arginfo_imagearc)
883 PHP_FE(imageellipse, arginfo_imageellipse)
884 PHP_FE(imagechar, arginfo_imagechar)
885 PHP_FE(imagecharup, arginfo_imagecharup)
886 PHP_FE(imagecolorat, arginfo_imagecolorat)
887 PHP_FE(imagecolorallocate, arginfo_imagecolorallocate)
888 #if HAVE_LIBGD15
889 PHP_FE(imagepalettecopy, arginfo_imagepalettecopy)
890 PHP_FE(imagecreatefromstring, arginfo_imagecreatefromstring)
891 #endif
892 PHP_FE(imagecolorclosest, arginfo_imagecolorclosest)
893 #if HAVE_COLORCLOSESTHWB
894 PHP_FE(imagecolorclosesthwb, arginfo_imagecolorclosesthwb)
895 #endif
896 PHP_FE(imagecolordeallocate, arginfo_imagecolordeallocate)
897 PHP_FE(imagecolorresolve, arginfo_imagecolorresolve)
898 PHP_FE(imagecolorexact, arginfo_imagecolorexact)
899 PHP_FE(imagecolorset, arginfo_imagecolorset)
900 PHP_FE(imagecolortransparent, arginfo_imagecolortransparent)
901 PHP_FE(imagecolorstotal, arginfo_imagecolorstotal)
902 PHP_FE(imagecolorsforindex, arginfo_imagecolorsforindex)
903 PHP_FE(imagecopy, arginfo_imagecopy)
904 #if HAVE_LIBGD15
905 PHP_FE(imagecopymerge, arginfo_imagecopymerge)
906 PHP_FE(imagecopymergegray, arginfo_imagecopymergegray)
907 #endif
908 PHP_FE(imagecopyresized, arginfo_imagecopyresized)
909 PHP_FE(imagecreate, arginfo_imagecreate)
910 PHP_FE(imagecreatetruecolor, arginfo_imagecreatetruecolor)
911 PHP_FE(imageistruecolor, arginfo_imageistruecolor)
912 PHP_FE(imagetruecolortopalette, arginfo_imagetruecolortopalette)
913 PHP_FE(imagesetthickness, arginfo_imagesetthickness)
914 PHP_FE(imagefilledarc, arginfo_imagefilledarc)
915 PHP_FE(imagefilledellipse, arginfo_imagefilledellipse)
916 PHP_FE(imagealphablending, arginfo_imagealphablending)
917 PHP_FE(imagesavealpha, arginfo_imagesavealpha)
918 PHP_FE(imagecolorallocatealpha, arginfo_imagecolorallocatealpha)
919 PHP_FE(imagecolorresolvealpha, arginfo_imagecolorresolvealpha)
920 PHP_FE(imagecolorclosestalpha, arginfo_imagecolorclosestalpha)
921 PHP_FE(imagecolorexactalpha, arginfo_imagecolorexactalpha)
922 PHP_FE(imagecopyresampled, arginfo_imagecopyresampled)
923
924 #ifdef PHP_WIN32
925 PHP_FE(imagegrabwindow, arginfo_imagegrabwindow)
926 PHP_FE(imagegrabscreen, arginfo_imagegrabscreen)
927 #endif
928
929 PHP_FE(imagerotate, arginfo_imagerotate)
930
931 #ifdef HAVE_GD_BUNDLED
932 PHP_FE(imageantialias, arginfo_imageantialias)
933 #endif
934
935 #if HAVE_GD_IMAGESETTILE
936 PHP_FE(imagesettile, arginfo_imagesettile)
937 #endif
938
939 #if HAVE_GD_IMAGESETBRUSH
940 PHP_FE(imagesetbrush, arginfo_imagesetbrush)
941 #endif
942
943 PHP_FE(imagesetstyle, arginfo_imagesetstyle)
944
945 #ifdef HAVE_GD_PNG
946 PHP_FE(imagecreatefrompng, arginfo_imagecreatefrompng)
947 #endif
948 #ifdef HAVE_GD_GIF_READ
949 PHP_FE(imagecreatefromgif, arginfo_imagecreatefromgif)
950 #endif
951 #ifdef HAVE_GD_JPG
952 PHP_FE(imagecreatefromjpeg, arginfo_imagecreatefromjpeg)
953 #endif
954 #ifdef HAVE_GD_WBMP
955 PHP_FE(imagecreatefromwbmp, arginfo_imagecreatefromwbmp)
956 #endif
957 #ifdef HAVE_GD_XBM
958 PHP_FE(imagecreatefromxbm, arginfo_imagecreatefromxbm)
959 #endif
960 #if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
961 PHP_FE(imagecreatefromxpm, arginfo_imagecreatefromxpm)
962 #endif
963 PHP_FE(imagecreatefromgd, arginfo_imagecreatefromgd)
964 #ifdef HAVE_GD_GD2
965 PHP_FE(imagecreatefromgd2, arginfo_imagecreatefromgd2)
966 PHP_FE(imagecreatefromgd2part, arginfo_imagecreatefromgd2part)
967 #endif
968 #ifdef HAVE_GD_PNG
969 PHP_FE(imagepng, arginfo_imagepng)
970 #endif
971 #ifdef HAVE_GD_GIF_CREATE
972 PHP_FE(imagegif, arginfo_imagegif)
973 #endif
974 #ifdef HAVE_GD_JPG
975 PHP_FE(imagejpeg, arginfo_imagejpeg)
976 #endif
977 #ifdef HAVE_GD_WBMP
978 PHP_FE(imagewbmp, arginfo_imagewbmp)
979 #endif
980 PHP_FE(imagegd, arginfo_imagegd)
981 #ifdef HAVE_GD_GD2
982 PHP_FE(imagegd2, arginfo_imagegd2)
983 #endif
984
985 PHP_FE(imagedestroy, arginfo_imagedestroy)
986 PHP_FE(imagegammacorrect, arginfo_imagegammacorrect)
987 PHP_FE(imagefill, arginfo_imagefill)
988 PHP_FE(imagefilledpolygon, arginfo_imagefilledpolygon)
989 PHP_FE(imagefilledrectangle, arginfo_imagefilledrectangle)
990 PHP_FE(imagefilltoborder, arginfo_imagefilltoborder)
991 PHP_FE(imagefontwidth, arginfo_imagefontwidth)
992 PHP_FE(imagefontheight, arginfo_imagefontheight)
993 PHP_FE(imageinterlace, arginfo_imageinterlace)
994 PHP_FE(imageline, arginfo_imageline)
995 PHP_FE(imageloadfont, arginfo_imageloadfont)
996 PHP_FE(imagepolygon, arginfo_imagepolygon)
997 PHP_FE(imagerectangle, arginfo_imagerectangle)
998 PHP_FE(imagesetpixel, arginfo_imagesetpixel)
999 PHP_FE(imagestring, arginfo_imagestring)
1000 PHP_FE(imagestringup, arginfo_imagestringup)
1001 PHP_FE(imagesx, arginfo_imagesx)
1002 PHP_FE(imagesy, arginfo_imagesy)
1003 PHP_FE(imagedashedline, arginfo_imagedashedline)
1004
1005 #ifdef ENABLE_GD_TTF
1006 PHP_FE(imagettfbbox, arginfo_imagettfbbox)
1007 PHP_FE(imagettftext, arginfo_imagettftext)
1008 #if HAVE_LIBFREETYPE && HAVE_GD_STRINGFTEX
1009 PHP_FE(imageftbbox, arginfo_imageftbbox)
1010 PHP_FE(imagefttext, arginfo_imagefttext)
1011 #endif
1012 #endif
1013
1014 #ifdef HAVE_LIBT1
1015 PHP_FE(imagepsloadfont, arginfo_imagepsloadfont)
1016 /*
1017 PHP_FE(imagepscopyfont, arginfo_imagepscopyfont)
1018 */
1019 PHP_FE(imagepsfreefont, arginfo_imagepsfreefont)
1020 PHP_FE(imagepsencodefont, arginfo_imagepsencodefont)
1021 PHP_FE(imagepsextendfont, arginfo_imagepsextendfont)
1022 PHP_FE(imagepsslantfont, arginfo_imagepsslantfont)
1023 PHP_FE(imagepstext, arginfo_imagepstext)
1024 PHP_FE(imagepsbbox, arginfo_imagepsbbox)
1025 #endif
1026 PHP_FE(imagetypes, arginfo_imagetypes)
1027
1028 #if defined(HAVE_GD_JPG) && defined(HAVE_GD_WBMP)
1029 PHP_FE(jpeg2wbmp, arginfo_jpeg2wbmp)
1030 #endif
1031 #if defined(HAVE_GD_PNG) && defined(HAVE_GD_WBMP)
1032 PHP_FE(png2wbmp, arginfo_png2wbmp)
1033 #endif
1034 #ifdef HAVE_GD_WBMP
1035 PHP_FE(image2wbmp, arginfo_image2wbmp)
1036 #endif
1037 #if HAVE_GD_BUNDLED
1038 PHP_FE(imagelayereffect, arginfo_imagelayereffect)
1039 PHP_FE(imagexbm, arginfo_imagexbm)
1040 #endif
1041
1042 PHP_FE(imagecolormatch, arginfo_imagecolormatch)
1043
1044 /* gd filters */
1045 PHP_FE(imagefilter, arginfo_imagefilter)
1046 PHP_FE(imageconvolution, arginfo_imageconvolution)
1047
1048 PHP_FE_END
1049 };
1050 /* }}} */
1051
1052 zend_module_entry gd_module_entry = {
1053 STANDARD_MODULE_HEADER,
1054 "gd",
1055 gd_functions,
1056 PHP_MINIT(gd),
1057 #if HAVE_LIBT1 || HAVE_GD_FONTMUTEX
1058 PHP_MSHUTDOWN(gd),
1059 #else
1060 NULL,
1061 #endif
1062 NULL,
1063 #if HAVE_GD_STRINGFT && (HAVE_LIBFREETYPE && (HAVE_GD_FONTCACHESHUTDOWN || HAVE_GD_FREEFONTCACHE))
1064 PHP_RSHUTDOWN(gd),
1065 #else
1066 NULL,
1067 #endif
1068 PHP_MINFO(gd),
1069 NO_VERSION_YET,
1070 STANDARD_MODULE_PROPERTIES
1071 };
1072
1073 #ifdef COMPILE_DL_GD
1074 ZEND_GET_MODULE(gd)
1075 #endif
1076
1077 /* {{{ PHP_INI_BEGIN */
PHP_INI_BEGIN()1078 PHP_INI_BEGIN()
1079 PHP_INI_ENTRY("gd.jpeg_ignore_warning", "0", PHP_INI_ALL, NULL)
1080 PHP_INI_END()
1081 /* }}} */
1082
1083 /* {{{ php_free_gd_image
1084 */
1085 static void php_free_gd_image(zend_rsrc_list_entry *rsrc TSRMLS_DC)
1086 {
1087 gdImageDestroy((gdImagePtr) rsrc->ptr);
1088 }
1089 /* }}} */
1090
1091 /* {{{ php_free_gd_font
1092 */
php_free_gd_font(zend_rsrc_list_entry * rsrc TSRMLS_DC)1093 static void php_free_gd_font(zend_rsrc_list_entry *rsrc TSRMLS_DC)
1094 {
1095 gdFontPtr fp = (gdFontPtr) rsrc->ptr;
1096
1097 if (fp->data) {
1098 efree(fp->data);
1099 }
1100
1101 efree(fp);
1102 }
1103 /* }}} */
1104
1105 /* {{{ PHP_MSHUTDOWN_FUNCTION
1106 */
1107 #if HAVE_LIBT1 || HAVE_GD_FONTMUTEX
PHP_MSHUTDOWN_FUNCTION(gd)1108 PHP_MSHUTDOWN_FUNCTION(gd)
1109 {
1110 #if HAVE_LIBT1
1111 T1_CloseLib();
1112 #endif
1113 #if HAVE_GD_FONTMUTEX && HAVE_LIBFREETYPE
1114 gdFontCacheMutexShutdown();
1115 #endif
1116 UNREGISTER_INI_ENTRIES();
1117 return SUCCESS;
1118 }
1119 #endif
1120 /* }}} */
1121
1122
1123 /* {{{ PHP_MINIT_FUNCTION
1124 */
PHP_MINIT_FUNCTION(gd)1125 PHP_MINIT_FUNCTION(gd)
1126 {
1127 le_gd = zend_register_list_destructors_ex(php_free_gd_image, NULL, "gd", module_number);
1128 le_gd_font = zend_register_list_destructors_ex(php_free_gd_font, NULL, "gd font", module_number);
1129
1130 #if HAVE_GD_FONTMUTEX && HAVE_LIBFREETYPE
1131 gdFontCacheMutexSetup();
1132 #endif
1133 #if HAVE_LIBT1
1134 T1_SetBitmapPad(8);
1135 T1_InitLib(NO_LOGFILE | IGNORE_CONFIGFILE | IGNORE_FONTDATABASE);
1136 T1_SetLogLevel(T1LOG_DEBUG);
1137 le_ps_font = zend_register_list_destructors_ex(php_free_ps_font, NULL, "gd PS font", module_number);
1138 le_ps_enc = zend_register_list_destructors_ex(php_free_ps_enc, NULL, "gd PS encoding", module_number);
1139 #endif
1140
1141 REGISTER_INI_ENTRIES();
1142
1143 REGISTER_LONG_CONSTANT("IMG_GIF", 1, CONST_CS | CONST_PERSISTENT);
1144 REGISTER_LONG_CONSTANT("IMG_JPG", 2, CONST_CS | CONST_PERSISTENT);
1145 REGISTER_LONG_CONSTANT("IMG_JPEG", 2, CONST_CS | CONST_PERSISTENT);
1146 REGISTER_LONG_CONSTANT("IMG_PNG", 4, CONST_CS | CONST_PERSISTENT);
1147 REGISTER_LONG_CONSTANT("IMG_WBMP", 8, CONST_CS | CONST_PERSISTENT);
1148 REGISTER_LONG_CONSTANT("IMG_XPM", 16, CONST_CS | CONST_PERSISTENT);
1149 #ifdef gdTiled
1150 /* special colours for gd */
1151 REGISTER_LONG_CONSTANT("IMG_COLOR_TILED", gdTiled, CONST_CS | CONST_PERSISTENT);
1152 REGISTER_LONG_CONSTANT("IMG_COLOR_STYLED", gdStyled, CONST_CS | CONST_PERSISTENT);
1153 REGISTER_LONG_CONSTANT("IMG_COLOR_BRUSHED", gdBrushed, CONST_CS | CONST_PERSISTENT);
1154 REGISTER_LONG_CONSTANT("IMG_COLOR_STYLEDBRUSHED", gdStyledBrushed, CONST_CS | CONST_PERSISTENT);
1155 REGISTER_LONG_CONSTANT("IMG_COLOR_TRANSPARENT", gdTransparent, CONST_CS | CONST_PERSISTENT);
1156 #endif
1157 /* for imagefilledarc */
1158 REGISTER_LONG_CONSTANT("IMG_ARC_ROUNDED", gdArc, CONST_CS | CONST_PERSISTENT);
1159 REGISTER_LONG_CONSTANT("IMG_ARC_PIE", gdPie, CONST_CS | CONST_PERSISTENT);
1160 REGISTER_LONG_CONSTANT("IMG_ARC_CHORD", gdChord, CONST_CS | CONST_PERSISTENT);
1161 REGISTER_LONG_CONSTANT("IMG_ARC_NOFILL", gdNoFill, CONST_CS | CONST_PERSISTENT);
1162 REGISTER_LONG_CONSTANT("IMG_ARC_EDGED", gdEdged, CONST_CS | CONST_PERSISTENT);
1163
1164 /* GD2 image format types */
1165 #ifdef GD2_FMT_RAW
1166 REGISTER_LONG_CONSTANT("IMG_GD2_RAW", GD2_FMT_RAW, CONST_CS | CONST_PERSISTENT);
1167 #endif
1168 #ifdef GD2_FMT_COMPRESSED
1169 REGISTER_LONG_CONSTANT("IMG_GD2_COMPRESSED", GD2_FMT_COMPRESSED, CONST_CS | CONST_PERSISTENT);
1170 #endif
1171 #if HAVE_GD_BUNDLED
1172 REGISTER_LONG_CONSTANT("IMG_EFFECT_REPLACE", gdEffectReplace, CONST_CS | CONST_PERSISTENT);
1173 REGISTER_LONG_CONSTANT("IMG_EFFECT_ALPHABLEND", gdEffectAlphaBlend, CONST_CS | CONST_PERSISTENT);
1174 REGISTER_LONG_CONSTANT("IMG_EFFECT_NORMAL", gdEffectNormal, CONST_CS | CONST_PERSISTENT);
1175 REGISTER_LONG_CONSTANT("IMG_EFFECT_OVERLAY", gdEffectOverlay, CONST_CS | CONST_PERSISTENT);
1176 REGISTER_LONG_CONSTANT("GD_BUNDLED", 1, CONST_CS | CONST_PERSISTENT);
1177 #else
1178 REGISTER_LONG_CONSTANT("GD_BUNDLED", 0, CONST_CS | CONST_PERSISTENT);
1179 #endif
1180
1181 /* Section Filters */
1182 REGISTER_LONG_CONSTANT("IMG_FILTER_NEGATE", IMAGE_FILTER_NEGATE, CONST_CS | CONST_PERSISTENT);
1183 REGISTER_LONG_CONSTANT("IMG_FILTER_GRAYSCALE", IMAGE_FILTER_GRAYSCALE, CONST_CS | CONST_PERSISTENT);
1184 REGISTER_LONG_CONSTANT("IMG_FILTER_BRIGHTNESS", IMAGE_FILTER_BRIGHTNESS, CONST_CS | CONST_PERSISTENT);
1185 REGISTER_LONG_CONSTANT("IMG_FILTER_CONTRAST", IMAGE_FILTER_CONTRAST, CONST_CS | CONST_PERSISTENT);
1186 REGISTER_LONG_CONSTANT("IMG_FILTER_COLORIZE", IMAGE_FILTER_COLORIZE, CONST_CS | CONST_PERSISTENT);
1187 REGISTER_LONG_CONSTANT("IMG_FILTER_EDGEDETECT", IMAGE_FILTER_EDGEDETECT, CONST_CS | CONST_PERSISTENT);
1188 REGISTER_LONG_CONSTANT("IMG_FILTER_GAUSSIAN_BLUR", IMAGE_FILTER_GAUSSIAN_BLUR, CONST_CS | CONST_PERSISTENT);
1189 REGISTER_LONG_CONSTANT("IMG_FILTER_SELECTIVE_BLUR", IMAGE_FILTER_SELECTIVE_BLUR, CONST_CS | CONST_PERSISTENT);
1190 REGISTER_LONG_CONSTANT("IMG_FILTER_EMBOSS", IMAGE_FILTER_EMBOSS, CONST_CS | CONST_PERSISTENT);
1191 REGISTER_LONG_CONSTANT("IMG_FILTER_MEAN_REMOVAL", IMAGE_FILTER_MEAN_REMOVAL, CONST_CS | CONST_PERSISTENT);
1192 REGISTER_LONG_CONSTANT("IMG_FILTER_SMOOTH", IMAGE_FILTER_SMOOTH, CONST_CS | CONST_PERSISTENT);
1193 REGISTER_LONG_CONSTANT("IMG_FILTER_PIXELATE", IMAGE_FILTER_PIXELATE, CONST_CS | CONST_PERSISTENT);
1194 /* End Section Filters */
1195
1196 #ifdef GD_VERSION_STRING
1197 REGISTER_STRING_CONSTANT("GD_VERSION", GD_VERSION_STRING, CONST_CS | CONST_PERSISTENT);
1198 #endif
1199
1200 #if defined(GD_MAJOR_VERSION) && defined(GD_MINOR_VERSION) && defined(GD_RELEASE_VERSION) && defined(GD_EXTRA_VERSION)
1201 REGISTER_LONG_CONSTANT("GD_MAJOR_VERSION", GD_MAJOR_VERSION, CONST_CS | CONST_PERSISTENT);
1202 REGISTER_LONG_CONSTANT("GD_MINOR_VERSION", GD_MINOR_VERSION, CONST_CS | CONST_PERSISTENT);
1203 REGISTER_LONG_CONSTANT("GD_RELEASE_VERSION", GD_RELEASE_VERSION, CONST_CS | CONST_PERSISTENT);
1204 REGISTER_STRING_CONSTANT("GD_EXTRA_VERSION", GD_EXTRA_VERSION, CONST_CS | CONST_PERSISTENT);
1205 #endif
1206
1207
1208 #ifdef HAVE_GD_PNG
1209
1210 /*
1211 * cannot include #include "png.h"
1212 * /usr/include/pngconf.h:310:2: error: #error png.h already includes setjmp.h with some additional fixup.
1213 * as error, use the values for now...
1214 */
1215 REGISTER_LONG_CONSTANT("PNG_NO_FILTER", 0x00, CONST_CS | CONST_PERSISTENT);
1216 REGISTER_LONG_CONSTANT("PNG_FILTER_NONE", 0x08, CONST_CS | CONST_PERSISTENT);
1217 REGISTER_LONG_CONSTANT("PNG_FILTER_SUB", 0x10, CONST_CS | CONST_PERSISTENT);
1218 REGISTER_LONG_CONSTANT("PNG_FILTER_UP", 0x20, CONST_CS | CONST_PERSISTENT);
1219 REGISTER_LONG_CONSTANT("PNG_FILTER_AVG", 0x40, CONST_CS | CONST_PERSISTENT);
1220 REGISTER_LONG_CONSTANT("PNG_FILTER_PAETH", 0x80, CONST_CS | CONST_PERSISTENT);
1221 REGISTER_LONG_CONSTANT("PNG_ALL_FILTERS", 0x08 | 0x10 | 0x20 | 0x40 | 0x80, CONST_CS | CONST_PERSISTENT);
1222 #endif
1223
1224 return SUCCESS;
1225 }
1226 /* }}} */
1227
1228 /* {{{ PHP_RSHUTDOWN_FUNCTION
1229 */
1230 #if HAVE_GD_STRINGFT && (HAVE_LIBFREETYPE && (HAVE_GD_FONTCACHESHUTDOWN || HAVE_GD_FREEFONTCACHE))
PHP_RSHUTDOWN_FUNCTION(gd)1231 PHP_RSHUTDOWN_FUNCTION(gd)
1232 {
1233 #if HAVE_GD_FONTCACHESHUTDOWN
1234 gdFontCacheShutdown();
1235 #else
1236 gdFreeFontCache();
1237 #endif
1238 return SUCCESS;
1239 }
1240 #endif
1241 /* }}} */
1242
1243 #if HAVE_GD_BUNDLED
1244 #define PHP_GD_VERSION_STRING "bundled (2.1.0 compatible)"
1245 #else
1246 # ifdef GD_VERSION_STRING
1247 # define PHP_GD_VERSION_STRING GD_VERSION_STRING
1248 # else
1249 # define PHP_GD_VERSION_STRING "2.0"
1250 # endif
1251 #endif
1252
1253 /* {{{ PHP_MINFO_FUNCTION
1254 */
PHP_MINFO_FUNCTION(gd)1255 PHP_MINFO_FUNCTION(gd)
1256 {
1257 php_info_print_table_start();
1258 php_info_print_table_row(2, "GD Support", "enabled");
1259
1260 /* need to use a PHPAPI function here because it is external module in windows */
1261
1262 php_info_print_table_row(2, "GD Version", PHP_GD_VERSION_STRING);
1263
1264 #ifdef ENABLE_GD_TTF
1265 php_info_print_table_row(2, "FreeType Support", "enabled");
1266 #if HAVE_LIBFREETYPE
1267 php_info_print_table_row(2, "FreeType Linkage", "with freetype");
1268 {
1269 char tmp[256];
1270
1271 #ifdef FREETYPE_PATCH
1272 snprintf(tmp, sizeof(tmp), "%d.%d.%d", FREETYPE_MAJOR, FREETYPE_MINOR, FREETYPE_PATCH);
1273 #elif defined(FREETYPE_MAJOR)
1274 snprintf(tmp, sizeof(tmp), "%d.%d", FREETYPE_MAJOR, FREETYPE_MINOR);
1275 #else
1276 snprintf(tmp, sizeof(tmp), "1.x");
1277 #endif
1278 php_info_print_table_row(2, "FreeType Version", tmp);
1279 }
1280 #else
1281 php_info_print_table_row(2, "FreeType Linkage", "with unknown library");
1282 #endif
1283 #endif
1284
1285 #ifdef HAVE_LIBT1
1286 php_info_print_table_row(2, "T1Lib Support", "enabled");
1287 #endif
1288
1289 /* this next part is stupid ... if I knew better, I'd put them all on one row (cmv) */
1290
1291 #ifdef HAVE_GD_GIF_READ
1292 php_info_print_table_row(2, "GIF Read Support", "enabled");
1293 #endif
1294 #ifdef HAVE_GD_GIF_CREATE
1295 php_info_print_table_row(2, "GIF Create Support", "enabled");
1296 #endif
1297 #ifdef HAVE_GD_JPG
1298 {
1299 char tmp[12];
1300 snprintf(tmp, sizeof(tmp), "%s", gdJpegGetVersionString());
1301 php_info_print_table_row(2, "JPEG Support", "enabled");
1302 php_info_print_table_row(2, "libJPEG Version", tmp);
1303 }
1304 #endif
1305
1306 #ifdef HAVE_GD_PNG
1307 php_info_print_table_row(2, "PNG Support", "enabled");
1308 php_info_print_table_row(2, "libPNG Version", gdPngGetVersionString());
1309 #endif
1310 #ifdef HAVE_GD_WBMP
1311 php_info_print_table_row(2, "WBMP Support", "enabled");
1312 #endif
1313 #if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
1314 php_info_print_table_row(2, "XPM Support", "enabled");
1315 {
1316 char tmp[12];
1317 snprintf(tmp, sizeof(tmp), "%d", XpmLibraryVersion());
1318 php_info_print_table_row(2, "libXpm Version", tmp);
1319 }
1320 #endif
1321 #ifdef HAVE_GD_XBM
1322 php_info_print_table_row(2, "XBM Support", "enabled");
1323 #endif
1324 #if defined(USE_GD_JISX0208) && defined(HAVE_GD_BUNDLED)
1325 php_info_print_table_row(2, "JIS-mapped Japanese Font Support", "enabled");
1326 #endif
1327 php_info_print_table_end();
1328 DISPLAY_INI_ENTRIES();
1329 }
1330 /* }}} */
1331
1332 /* {{{ proto array gd_info()
1333 */
PHP_FUNCTION(gd_info)1334 PHP_FUNCTION(gd_info)
1335 {
1336 if (zend_parse_parameters_none() == FAILURE) {
1337 RETURN_FALSE;
1338 }
1339
1340 array_init(return_value);
1341
1342 add_assoc_string(return_value, "GD Version", PHP_GD_VERSION_STRING, 1);
1343
1344 #ifdef ENABLE_GD_TTF
1345 add_assoc_bool(return_value, "FreeType Support", 1);
1346 #if HAVE_LIBFREETYPE
1347 add_assoc_string(return_value, "FreeType Linkage", "with freetype", 1);
1348 #else
1349 add_assoc_string(return_value, "FreeType Linkage", "with unknown library", 1);
1350 #endif
1351 #else
1352 add_assoc_bool(return_value, "FreeType Support", 0);
1353 #endif
1354
1355 #ifdef HAVE_LIBT1
1356 add_assoc_bool(return_value, "T1Lib Support", 1);
1357 #else
1358 add_assoc_bool(return_value, "T1Lib Support", 0);
1359 #endif
1360 #ifdef HAVE_GD_GIF_READ
1361 add_assoc_bool(return_value, "GIF Read Support", 1);
1362 #else
1363 add_assoc_bool(return_value, "GIF Read Support", 0);
1364 #endif
1365 #ifdef HAVE_GD_GIF_CREATE
1366 add_assoc_bool(return_value, "GIF Create Support", 1);
1367 #else
1368 add_assoc_bool(return_value, "GIF Create Support", 0);
1369 #endif
1370 #ifdef HAVE_GD_JPG
1371 add_assoc_bool(return_value, "JPEG Support", 1);
1372 #else
1373 add_assoc_bool(return_value, "JPEG Support", 0);
1374 #endif
1375 #ifdef HAVE_GD_PNG
1376 add_assoc_bool(return_value, "PNG Support", 1);
1377 #else
1378 add_assoc_bool(return_value, "PNG Support", 0);
1379 #endif
1380 #ifdef HAVE_GD_WBMP
1381 add_assoc_bool(return_value, "WBMP Support", 1);
1382 #else
1383 add_assoc_bool(return_value, "WBMP Support", 0);
1384 #endif
1385 #if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
1386 add_assoc_bool(return_value, "XPM Support", 1);
1387 #else
1388 add_assoc_bool(return_value, "XPM Support", 0);
1389 #endif
1390 #ifdef HAVE_GD_XBM
1391 add_assoc_bool(return_value, "XBM Support", 1);
1392 #else
1393 add_assoc_bool(return_value, "XBM Support", 0);
1394 #endif
1395 #if defined(USE_GD_JISX0208) && defined(HAVE_GD_BUNDLED)
1396 add_assoc_bool(return_value, "JIS-mapped Japanese Font Support", 1);
1397 #else
1398 add_assoc_bool(return_value, "JIS-mapped Japanese Font Support", 0);
1399 #endif
1400 }
1401 /* }}} */
1402
1403 /* Need this for cpdf. See also comment in file.c php3i_get_le_fp() */
phpi_get_le_gd(void)1404 PHP_GD_API int phpi_get_le_gd(void)
1405 {
1406 return le_gd;
1407 }
1408 /* }}} */
1409
1410 #ifndef HAVE_GDIMAGECOLORRESOLVE
1411
1412 /* {{{ gdImageColorResolve
1413 */
1414 /********************************************************************/
1415 /* gdImageColorResolve is a replacement for the old fragment: */
1416 /* */
1417 /* if ((color=gdImageColorExact(im,R,G,B)) < 0) */
1418 /* if ((color=gdImageColorAllocate(im,R,G,B)) < 0) */
1419 /* color=gdImageColorClosest(im,R,G,B); */
1420 /* */
1421 /* in a single function */
1422
gdImageColorResolve(gdImagePtr im,int r,int g,int b)1423 int gdImageColorResolve(gdImagePtr im, int r, int g, int b)
1424 {
1425 int c;
1426 int ct = -1;
1427 int op = -1;
1428 long rd, gd, bd, dist;
1429 long mindist = 3*255*255; /* init to max poss dist */
1430
1431 for (c = 0; c < im->colorsTotal; c++) {
1432 if (im->open[c]) {
1433 op = c; /* Save open slot */
1434 continue; /* Color not in use */
1435 }
1436 rd = (long) (im->red [c] - r);
1437 gd = (long) (im->green[c] - g);
1438 bd = (long) (im->blue [c] - b);
1439 dist = rd * rd + gd * gd + bd * bd;
1440 if (dist < mindist) {
1441 if (dist == 0) {
1442 return c; /* Return exact match color */
1443 }
1444 mindist = dist;
1445 ct = c;
1446 }
1447 }
1448 /* no exact match. We now know closest, but first try to allocate exact */
1449 if (op == -1) {
1450 op = im->colorsTotal;
1451 if (op == gdMaxColors) { /* No room for more colors */
1452 return ct; /* Return closest available color */
1453 }
1454 im->colorsTotal++;
1455 }
1456 im->red [op] = r;
1457 im->green[op] = g;
1458 im->blue [op] = b;
1459 im->open [op] = 0;
1460 return op; /* Return newly allocated color */
1461 }
1462 /* }}} */
1463
1464 #endif
1465
1466 #define FLIPWORD(a) (((a & 0xff000000) >> 24) | ((a & 0x00ff0000) >> 8) | ((a & 0x0000ff00) << 8) | ((a & 0x000000ff) << 24))
1467
1468 /* {{{ proto int imageloadfont(string filename)
1469 Load a new font */
PHP_FUNCTION(imageloadfont)1470 PHP_FUNCTION(imageloadfont)
1471 {
1472 char *file;
1473 int file_name, hdr_size = sizeof(gdFont) - sizeof(char *);
1474 int ind, body_size, n = 0, b, i, body_size_check;
1475 gdFontPtr font;
1476 php_stream *stream;
1477
1478 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &file, &file_name) == FAILURE) {
1479 return;
1480 }
1481
1482 stream = php_stream_open_wrapper(file, "rb", ENFORCE_SAFE_MODE | IGNORE_PATH | IGNORE_URL_WIN | REPORT_ERRORS, NULL);
1483 if (stream == NULL) {
1484 RETURN_FALSE;
1485 }
1486
1487 /* Only supports a architecture-dependent binary dump format
1488 * at the moment.
1489 * The file format is like this on machines with 32-byte integers:
1490 *
1491 * byte 0-3: (int) number of characters in the font
1492 * byte 4-7: (int) value of first character in the font (often 32, space)
1493 * byte 8-11: (int) pixel width of each character
1494 * byte 12-15: (int) pixel height of each character
1495 * bytes 16-: (char) array with character data, one byte per pixel
1496 * in each character, for a total of
1497 * (nchars*width*height) bytes.
1498 */
1499 font = (gdFontPtr) emalloc(sizeof(gdFont));
1500 b = 0;
1501 while (b < hdr_size && (n = php_stream_read(stream, (char*)&font[b], hdr_size - b))) {
1502 b += n;
1503 }
1504
1505 if (!n) {
1506 efree(font);
1507 if (php_stream_eof(stream)) {
1508 php_error_docref(NULL TSRMLS_CC, E_WARNING, "End of file while reading header");
1509 } else {
1510 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error while reading header");
1511 }
1512 php_stream_close(stream);
1513 RETURN_FALSE;
1514 }
1515 i = php_stream_tell(stream);
1516 php_stream_seek(stream, 0, SEEK_END);
1517 body_size_check = php_stream_tell(stream) - hdr_size;
1518 php_stream_seek(stream, i, SEEK_SET);
1519
1520 body_size = font->w * font->h * font->nchars;
1521 if (body_size != body_size_check) {
1522 font->w = FLIPWORD(font->w);
1523 font->h = FLIPWORD(font->h);
1524 font->nchars = FLIPWORD(font->nchars);
1525 body_size = font->w * font->h * font->nchars;
1526 }
1527
1528 if (overflow2(font->nchars, font->h)) {
1529 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error reading font, invalid font header");
1530 efree(font);
1531 php_stream_close(stream);
1532 RETURN_FALSE;
1533 }
1534 if (overflow2(font->nchars * font->h, font->w )) {
1535 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error reading font, invalid font header");
1536 efree(font);
1537 php_stream_close(stream);
1538 RETURN_FALSE;
1539 }
1540
1541 if (body_size != body_size_check) {
1542 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error reading font");
1543 efree(font);
1544 php_stream_close(stream);
1545 RETURN_FALSE;
1546 }
1547
1548 font->data = emalloc(body_size);
1549 b = 0;
1550 while (b < body_size && (n = php_stream_read(stream, &font->data[b], body_size - b))) {
1551 b += n;
1552 }
1553
1554 if (!n) {
1555 efree(font->data);
1556 efree(font);
1557 if (php_stream_eof(stream)) {
1558 php_error_docref(NULL TSRMLS_CC, E_WARNING, "End of file while reading body");
1559 } else {
1560 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error while reading body");
1561 }
1562 php_stream_close(stream);
1563 RETURN_FALSE;
1564 }
1565 php_stream_close(stream);
1566
1567 /* Adding 5 to the font index so we will never have font indices
1568 * that overlap with the old fonts (with indices 1-5). The first
1569 * list index given out is always 1.
1570 */
1571 ind = 5 + zend_list_insert(font, le_gd_font);
1572
1573 RETURN_LONG(ind);
1574 }
1575 /* }}} */
1576
1577 /* {{{ proto bool imagesetstyle(resource im, array styles)
1578 Set the line drawing styles for use with imageline and IMG_COLOR_STYLED. */
PHP_FUNCTION(imagesetstyle)1579 PHP_FUNCTION(imagesetstyle)
1580 {
1581 zval *IM, *styles;
1582 gdImagePtr im;
1583 int * stylearr;
1584 int index;
1585 HashPosition pos;
1586
1587 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra", &IM, &styles) == FAILURE) {
1588 return;
1589 }
1590
1591 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1592
1593 /* copy the style values in the stylearr */
1594 stylearr = safe_emalloc(sizeof(int), zend_hash_num_elements(HASH_OF(styles)), 0);
1595
1596 zend_hash_internal_pointer_reset_ex(HASH_OF(styles), &pos);
1597
1598 for (index = 0;; zend_hash_move_forward_ex(HASH_OF(styles), &pos)) {
1599 zval ** item;
1600
1601 if (zend_hash_get_current_data_ex(HASH_OF(styles), (void **) &item, &pos) == FAILURE) {
1602 break;
1603 }
1604
1605 convert_to_long_ex(item);
1606
1607 stylearr[index++] = Z_LVAL_PP(item);
1608 }
1609
1610 gdImageSetStyle(im, stylearr, index);
1611
1612 efree(stylearr);
1613
1614 RETURN_TRUE;
1615 }
1616 /* }}} */
1617
1618 /* {{{ proto resource imagecreatetruecolor(int x_size, int y_size)
1619 Create a new true color image */
PHP_FUNCTION(imagecreatetruecolor)1620 PHP_FUNCTION(imagecreatetruecolor)
1621 {
1622 long x_size, y_size;
1623 gdImagePtr im;
1624
1625 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &x_size, &y_size) == FAILURE) {
1626 return;
1627 }
1628
1629 if (x_size <= 0 || y_size <= 0 || x_size >= INT_MAX || y_size >= INT_MAX) {
1630 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid image dimensions");
1631 RETURN_FALSE;
1632 }
1633
1634 im = gdImageCreateTrueColor(x_size, y_size);
1635
1636 if (!im) {
1637 RETURN_FALSE;
1638 }
1639
1640 ZEND_REGISTER_RESOURCE(return_value, im, le_gd);
1641 }
1642 /* }}} */
1643
1644 /* {{{ proto bool imageistruecolor(resource im)
1645 return true if the image uses truecolor */
PHP_FUNCTION(imageistruecolor)1646 PHP_FUNCTION(imageistruecolor)
1647 {
1648 zval *IM;
1649 gdImagePtr im;
1650
1651 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &IM) == FAILURE) {
1652 return;
1653 }
1654
1655 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1656
1657 RETURN_BOOL(im->trueColor);
1658 }
1659 /* }}} */
1660
1661 /* {{{ proto void imagetruecolortopalette(resource im, bool ditherFlag, int colorsWanted)
1662 Convert a true colour image to a palette based image with a number of colours, optionally using dithering. */
PHP_FUNCTION(imagetruecolortopalette)1663 PHP_FUNCTION(imagetruecolortopalette)
1664 {
1665 zval *IM;
1666 zend_bool dither;
1667 long ncolors;
1668 gdImagePtr im;
1669
1670 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rbl", &IM, &dither, &ncolors) == FAILURE) {
1671 return;
1672 }
1673
1674 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1675
1676 if (ncolors <= 0) {
1677 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Number of colors has to be greater than zero");
1678 RETURN_FALSE;
1679 }
1680 gdImageTrueColorToPalette(im, dither, ncolors);
1681
1682 RETURN_TRUE;
1683 }
1684 /* }}} */
1685
1686 /* {{{ proto bool imagecolormatch(resource im1, resource im2)
1687 Makes the colors of the palette version of an image more closely match the true color version */
PHP_FUNCTION(imagecolormatch)1688 PHP_FUNCTION(imagecolormatch)
1689 {
1690 zval *IM1, *IM2;
1691 gdImagePtr im1, im2;
1692 int result;
1693
1694 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &IM1, &IM2) == FAILURE) {
1695 return;
1696 }
1697
1698 ZEND_FETCH_RESOURCE(im1, gdImagePtr, &IM1, -1, "Image", le_gd);
1699 ZEND_FETCH_RESOURCE(im2, gdImagePtr, &IM2, -1, "Image", le_gd);
1700
1701 result = gdImageColorMatch(im1, im2);
1702 switch (result) {
1703 case -1:
1704 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Image1 must be TrueColor" );
1705 RETURN_FALSE;
1706 break;
1707 case -2:
1708 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Image2 must be Palette" );
1709 RETURN_FALSE;
1710 break;
1711 case -3:
1712 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Image1 and Image2 must be the same size" );
1713 RETURN_FALSE;
1714 break;
1715 case -4:
1716 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Image2 must have at least one color" );
1717 RETURN_FALSE;
1718 break;
1719 }
1720
1721 RETURN_TRUE;
1722 }
1723 /* }}} */
1724
1725 /* {{{ proto bool imagesetthickness(resource im, int thickness)
1726 Set line thickness for drawing lines, ellipses, rectangles, polygons etc. */
PHP_FUNCTION(imagesetthickness)1727 PHP_FUNCTION(imagesetthickness)
1728 {
1729 zval *IM;
1730 long thick;
1731 gdImagePtr im;
1732
1733 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &IM, &thick) == FAILURE) {
1734 return;
1735 }
1736
1737 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1738
1739 gdImageSetThickness(im, thick);
1740
1741 RETURN_TRUE;
1742 }
1743 /* }}} */
1744
1745 /* {{{ proto bool imagefilledellipse(resource im, int cx, int cy, int w, int h, int color)
1746 Draw an ellipse */
PHP_FUNCTION(imagefilledellipse)1747 PHP_FUNCTION(imagefilledellipse)
1748 {
1749 zval *IM;
1750 long cx, cy, w, h, color;
1751 gdImagePtr im;
1752
1753 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &IM, &cx, &cy, &w, &h, &color) == FAILURE) {
1754 return;
1755 }
1756
1757 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1758
1759 gdImageFilledEllipse(im, cx, cy, w, h, color);
1760
1761 RETURN_TRUE;
1762 }
1763 /* }}} */
1764
1765 /* {{{ proto bool imagefilledarc(resource im, int cx, int cy, int w, int h, int s, int e, int col, int style)
1766 Draw a filled partial ellipse */
PHP_FUNCTION(imagefilledarc)1767 PHP_FUNCTION(imagefilledarc)
1768 {
1769 zval *IM;
1770 long cx, cy, w, h, ST, E, col, style;
1771 gdImagePtr im;
1772 int e, st;
1773
1774 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllllllll", &IM, &cx, &cy, &w, &h, &ST, &E, &col, &style) == FAILURE) {
1775 return;
1776 }
1777
1778 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1779
1780 e = E;
1781 if (e < 0) {
1782 e %= 360;
1783 }
1784
1785 st = ST;
1786 if (st < 0) {
1787 st %= 360;
1788 }
1789
1790 gdImageFilledArc(im, cx, cy, w, h, st, e, col, style);
1791
1792 RETURN_TRUE;
1793 }
1794 /* }}} */
1795
1796 /* {{{ proto bool imagealphablending(resource im, bool on)
1797 Turn alpha blending mode on or off for the given image */
PHP_FUNCTION(imagealphablending)1798 PHP_FUNCTION(imagealphablending)
1799 {
1800 zval *IM;
1801 zend_bool blend;
1802 gdImagePtr im;
1803
1804 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rb", &IM, &blend) == FAILURE) {
1805 return;
1806 }
1807
1808 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1809 gdImageAlphaBlending(im, blend);
1810
1811 RETURN_TRUE;
1812 }
1813 /* }}} */
1814
1815 /* {{{ proto bool imagesavealpha(resource im, bool on)
1816 Include alpha channel to a saved image */
PHP_FUNCTION(imagesavealpha)1817 PHP_FUNCTION(imagesavealpha)
1818 {
1819 zval *IM;
1820 zend_bool save;
1821 gdImagePtr im;
1822
1823 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rb", &IM, &save) == FAILURE) {
1824 return;
1825 }
1826
1827 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1828 gdImageSaveAlpha(im, save);
1829
1830 RETURN_TRUE;
1831 }
1832 /* }}} */
1833
1834 #if HAVE_GD_BUNDLED
1835 /* {{{ proto bool imagelayereffect(resource im, int effect)
1836 Set the alpha blending flag to use the bundled libgd layering effects */
PHP_FUNCTION(imagelayereffect)1837 PHP_FUNCTION(imagelayereffect)
1838 {
1839 zval *IM;
1840 long effect;
1841 gdImagePtr im;
1842
1843 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &IM, &effect) == FAILURE) {
1844 return;
1845 }
1846
1847 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1848 gdImageAlphaBlending(im, effect);
1849
1850 RETURN_TRUE;
1851 }
1852 /* }}} */
1853 #endif
1854
1855 /* {{{ proto int imagecolorallocatealpha(resource im, int red, int green, int blue, int alpha)
1856 Allocate a color with an alpha level. Works for true color and palette based images */
PHP_FUNCTION(imagecolorallocatealpha)1857 PHP_FUNCTION(imagecolorallocatealpha)
1858 {
1859 zval *IM;
1860 long red, green, blue, alpha;
1861 gdImagePtr im;
1862 int ct = (-1);
1863
1864 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) {
1865 RETURN_FALSE;
1866 }
1867
1868 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1869 ct = gdImageColorAllocateAlpha(im, red, green, blue, alpha);
1870 if (ct < 0) {
1871 RETURN_FALSE;
1872 }
1873 RETURN_LONG((long)ct);
1874 }
1875 /* }}} */
1876
1877 /* {{{ proto int imagecolorresolvealpha(resource im, int red, int green, int blue, int alpha)
1878 Resolve/Allocate a colour with an alpha level. Works for true colour and palette based images */
PHP_FUNCTION(imagecolorresolvealpha)1879 PHP_FUNCTION(imagecolorresolvealpha)
1880 {
1881 zval *IM;
1882 long red, green, blue, alpha;
1883 gdImagePtr im;
1884
1885 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) {
1886 return;
1887 }
1888
1889 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1890
1891 RETURN_LONG(gdImageColorResolveAlpha(im, red, green, blue, alpha));
1892 }
1893 /* }}} */
1894
1895 /* {{{ proto int imagecolorclosestalpha(resource im, int red, int green, int blue, int alpha)
1896 Find the closest matching colour with alpha transparency */
PHP_FUNCTION(imagecolorclosestalpha)1897 PHP_FUNCTION(imagecolorclosestalpha)
1898 {
1899 zval *IM;
1900 long red, green, blue, alpha;
1901 gdImagePtr im;
1902
1903 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) {
1904 return;
1905 }
1906
1907 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1908
1909 RETURN_LONG(gdImageColorClosestAlpha(im, red, green, blue, alpha));
1910 }
1911 /* }}} */
1912
1913 /* {{{ proto int imagecolorexactalpha(resource im, int red, int green, int blue, int alpha)
1914 Find exact match for colour with transparency */
PHP_FUNCTION(imagecolorexactalpha)1915 PHP_FUNCTION(imagecolorexactalpha)
1916 {
1917 zval *IM;
1918 long red, green, blue, alpha;
1919 gdImagePtr im;
1920
1921 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) {
1922 return;
1923 }
1924
1925 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
1926
1927 RETURN_LONG(gdImageColorExactAlpha(im, red, green, blue, alpha));
1928 }
1929 /* }}} */
1930
1931 /* {{{ proto bool imagecopyresampled(resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h)
1932 Copy and resize part of an image using resampling to help ensure clarity */
PHP_FUNCTION(imagecopyresampled)1933 PHP_FUNCTION(imagecopyresampled)
1934 {
1935 zval *SIM, *DIM;
1936 long SX, SY, SW, SH, DX, DY, DW, DH;
1937 gdImagePtr im_dst, im_src;
1938 int srcH, srcW, dstH, dstW, srcY, srcX, dstY, dstX;
1939
1940 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrllllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &DW, &DH, &SW, &SH) == FAILURE) {
1941 return;
1942 }
1943
1944 ZEND_FETCH_RESOURCE(im_dst, gdImagePtr, &DIM, -1, "Image", le_gd);
1945 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
1946
1947 srcX = SX;
1948 srcY = SY;
1949 srcH = SH;
1950 srcW = SW;
1951 dstX = DX;
1952 dstY = DY;
1953 dstH = DH;
1954 dstW = DW;
1955
1956 gdImageCopyResampled(im_dst, im_src, dstX, dstY, srcX, srcY, dstW, dstH, srcW, srcH);
1957
1958 RETURN_TRUE;
1959 }
1960 /* }}} */
1961
1962 #ifdef PHP_WIN32
1963 /* {{{ proto resource imagegrabwindow(int window_handle [, int client_area])
1964 Grab a window or its client area using a windows handle (HWND property in COM instance) */
PHP_FUNCTION(imagegrabwindow)1965 PHP_FUNCTION(imagegrabwindow)
1966 {
1967 HWND window;
1968 long client_area = 0;
1969 RECT rc = {0};
1970 RECT rc_win = {0};
1971 int Width, Height;
1972 HDC hdc;
1973 HDC memDC;
1974 HBITMAP memBM;
1975 HBITMAP hOld;
1976 HINSTANCE handle;
1977 long lwindow_handle;
1978 typedef BOOL (WINAPI *tPrintWindow)(HWND, HDC,UINT);
1979 tPrintWindow pPrintWindow = 0;
1980 gdImagePtr im;
1981
1982 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &lwindow_handle, &client_area) == FAILURE) {
1983 RETURN_FALSE;
1984 }
1985
1986 window = (HWND) lwindow_handle;
1987
1988 if (!IsWindow(window)) {
1989 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Invalid window handle");
1990 RETURN_FALSE;
1991 }
1992
1993 hdc = GetDC(0);
1994
1995 if (client_area) {
1996 GetClientRect(window, &rc);
1997 Width = rc.right;
1998 Height = rc.bottom;
1999 } else {
2000 GetWindowRect(window, &rc);
2001 Width = rc.right - rc.left;
2002 Height = rc.bottom - rc.top;
2003 }
2004
2005 Width = (Width/4)*4;
2006
2007 memDC = CreateCompatibleDC(hdc);
2008 memBM = CreateCompatibleBitmap(hdc, Width, Height);
2009 hOld = (HBITMAP) SelectObject (memDC, memBM);
2010
2011
2012 handle = LoadLibrary("User32.dll");
2013 if ( handle == 0 ) {
2014 goto clean;
2015 }
2016 pPrintWindow = (tPrintWindow) GetProcAddress(handle, "PrintWindow");
2017
2018 if ( pPrintWindow ) {
2019 pPrintWindow(window, memDC, (UINT) client_area);
2020 } else {
2021 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Windows API too old");
2022 goto clean;
2023 }
2024
2025 FreeLibrary(handle);
2026
2027 im = gdImageCreateTrueColor(Width, Height);
2028 if (im) {
2029 int x,y;
2030 for (y=0; y <= Height; y++) {
2031 for (x=0; x <= Width; x++) {
2032 int c = GetPixel(memDC, x,y);
2033 gdImageSetPixel(im, x, y, gdTrueColor(GetRValue(c), GetGValue(c), GetBValue(c)));
2034 }
2035 }
2036 }
2037
2038 clean:
2039 SelectObject(memDC,hOld);
2040 DeleteObject(memBM);
2041 DeleteDC(memDC);
2042 ReleaseDC( 0, hdc );
2043
2044 if (!im) {
2045 RETURN_FALSE;
2046 } else {
2047 ZEND_REGISTER_RESOURCE(return_value, im, le_gd);
2048 }
2049 }
2050 /* }}} */
2051
2052 /* {{{ proto resource imagegrabscreen()
2053 Grab a screenshot */
PHP_FUNCTION(imagegrabscreen)2054 PHP_FUNCTION(imagegrabscreen)
2055 {
2056 HWND window = GetDesktopWindow();
2057 RECT rc = {0};
2058 int Width, Height;
2059 HDC hdc;
2060 HDC memDC;
2061 HBITMAP memBM;
2062 HBITMAP hOld;
2063 typedef BOOL (WINAPI *tPrintWindow)(HWND, HDC,UINT);
2064 tPrintWindow pPrintWindow = 0;
2065 gdImagePtr im;
2066 hdc = GetDC(0);
2067
2068 if (zend_parse_parameters_none() == FAILURE) {
2069 return;
2070 }
2071
2072 if (!hdc) {
2073 RETURN_FALSE;
2074 }
2075
2076 GetWindowRect(window, &rc);
2077 Width = rc.right - rc.left;
2078 Height = rc.bottom - rc.top;
2079
2080 Width = (Width/4)*4;
2081
2082 memDC = CreateCompatibleDC(hdc);
2083 memBM = CreateCompatibleBitmap(hdc, Width, Height);
2084 hOld = (HBITMAP) SelectObject (memDC, memBM);
2085 BitBlt( memDC, 0, 0, Width, Height , hdc, rc.left, rc.top , SRCCOPY );
2086
2087 im = gdImageCreateTrueColor(Width, Height);
2088 if (im) {
2089 int x,y;
2090 for (y=0; y <= Height; y++) {
2091 for (x=0; x <= Width; x++) {
2092 int c = GetPixel(memDC, x,y);
2093 gdImageSetPixel(im, x, y, gdTrueColor(GetRValue(c), GetGValue(c), GetBValue(c)));
2094 }
2095 }
2096 }
2097
2098 SelectObject(memDC,hOld);
2099 DeleteObject(memBM);
2100 DeleteDC(memDC);
2101 ReleaseDC( 0, hdc );
2102
2103 if (!im) {
2104 RETURN_FALSE;
2105 } else {
2106 ZEND_REGISTER_RESOURCE(return_value, im, le_gd);
2107 }
2108 }
2109 /* }}} */
2110 #endif /* PHP_WIN32 */
2111
2112 /* {{{ proto resource imagerotate(resource src_im, float angle, int bgdcolor [, int ignoretransparent])
2113 Rotate an image using a custom angle */
PHP_FUNCTION(imagerotate)2114 PHP_FUNCTION(imagerotate)
2115 {
2116 zval *SIM;
2117 gdImagePtr im_dst, im_src;
2118 double degrees;
2119 long color;
2120 long ignoretransparent = 0;
2121
2122 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rdl|l", &SIM, °rees, &color, &ignoretransparent) == FAILURE) {
2123 RETURN_FALSE;
2124 }
2125
2126 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
2127
2128 im_dst = gdImageRotate(im_src, degrees, color, ignoretransparent);
2129
2130 if (im_dst != NULL) {
2131 ZEND_REGISTER_RESOURCE(return_value, im_dst, le_gd);
2132 } else {
2133 RETURN_FALSE;
2134 }
2135 }
2136 /* }}} */
2137
2138 #if HAVE_GD_IMAGESETTILE
2139 /* {{{ proto bool imagesettile(resource image, resource tile)
2140 Set the tile image to $tile when filling $image with the "IMG_COLOR_TILED" color */
PHP_FUNCTION(imagesettile)2141 PHP_FUNCTION(imagesettile)
2142 {
2143 zval *IM, *TILE;
2144 gdImagePtr im, tile;
2145
2146 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &IM, &TILE) == FAILURE) {
2147 return;
2148 }
2149
2150 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
2151 ZEND_FETCH_RESOURCE(tile, gdImagePtr, &TILE, -1, "Image", le_gd);
2152
2153 gdImageSetTile(im, tile);
2154
2155 RETURN_TRUE;
2156 }
2157 /* }}} */
2158 #endif
2159
2160 #if HAVE_GD_IMAGESETBRUSH
2161 /* {{{ proto bool imagesetbrush(resource image, resource brush)
2162 Set the brush image to $brush when filling $image with the "IMG_COLOR_BRUSHED" color */
PHP_FUNCTION(imagesetbrush)2163 PHP_FUNCTION(imagesetbrush)
2164 {
2165 zval *IM, *TILE;
2166 gdImagePtr im, tile;
2167
2168 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &IM, &TILE) == FAILURE) {
2169 return;
2170 }
2171
2172 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
2173 ZEND_FETCH_RESOURCE(tile, gdImagePtr, &TILE, -1, "Image", le_gd);
2174
2175 gdImageSetBrush(im, tile);
2176
2177 RETURN_TRUE;
2178 }
2179 /* }}} */
2180 #endif
2181
2182 /* {{{ proto resource imagecreate(int x_size, int y_size)
2183 Create a new image */
PHP_FUNCTION(imagecreate)2184 PHP_FUNCTION(imagecreate)
2185 {
2186 long x_size, y_size;
2187 gdImagePtr im;
2188
2189 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &x_size, &y_size) == FAILURE) {
2190 return;
2191 }
2192
2193 if (x_size <= 0 || y_size <= 0 || x_size >= INT_MAX || y_size >= INT_MAX) {
2194 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid image dimensions");
2195 RETURN_FALSE;
2196 }
2197
2198 im = gdImageCreate(x_size, y_size);
2199
2200 if (!im) {
2201 RETURN_FALSE;
2202 }
2203
2204 ZEND_REGISTER_RESOURCE(return_value, im, le_gd);
2205 }
2206 /* }}} */
2207
2208 /* {{{ proto int imagetypes(void)
2209 Return the types of images supported in a bitfield - 1=GIF, 2=JPEG, 4=PNG, 8=WBMP, 16=XPM */
PHP_FUNCTION(imagetypes)2210 PHP_FUNCTION(imagetypes)
2211 {
2212 int ret=0;
2213 #ifdef HAVE_GD_GIF_CREATE
2214 ret = 1;
2215 #endif
2216 #ifdef HAVE_GD_JPG
2217 ret |= 2;
2218 #endif
2219 #ifdef HAVE_GD_PNG
2220 ret |= 4;
2221 #endif
2222 #ifdef HAVE_GD_WBMP
2223 ret |= 8;
2224 #endif
2225 #if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
2226 ret |= 16;
2227 #endif
2228
2229 if (zend_parse_parameters_none() == FAILURE) {
2230 return;
2231 }
2232
2233 RETURN_LONG(ret);
2234 }
2235 /* }}} */
2236
2237 /* {{{ _php_image_type
2238 */
2239 static const char php_sig_gd2[3] = {'g', 'd', '2'};
2240
_php_image_type(char data[8])2241 static int _php_image_type (char data[8])
2242 {
2243 #ifdef HAVE_LIBGD15
2244 /* Based on ext/standard/image.c */
2245
2246 if (data == NULL) {
2247 return -1;
2248 }
2249
2250 if (!memcmp(data, php_sig_gd2, 3)) {
2251 return PHP_GDIMG_TYPE_GD2;
2252 } else if (!memcmp(data, php_sig_jpg, 3)) {
2253 return PHP_GDIMG_TYPE_JPG;
2254 } else if (!memcmp(data, php_sig_png, 3)) {
2255 if (!memcmp(data, php_sig_png, 8)) {
2256 return PHP_GDIMG_TYPE_PNG;
2257 }
2258 } else if (!memcmp(data, php_sig_gif, 3)) {
2259 return PHP_GDIMG_TYPE_GIF;
2260 }
2261 #ifdef HAVE_GD_WBMP
2262 else {
2263 gdIOCtx *io_ctx;
2264 io_ctx = gdNewDynamicCtxEx(8, data, 0);
2265 if (io_ctx) {
2266 if (getmbi((int(*)(void *)) gdGetC, io_ctx) == 0 && skipheader((int(*)(void *)) gdGetC, io_ctx) == 0 ) {
2267 #if HAVE_LIBGD204
2268 io_ctx->gd_free(io_ctx);
2269 #else
2270 io_ctx->free(io_ctx);
2271 #endif
2272 return PHP_GDIMG_TYPE_WBM;
2273 } else {
2274 #if HAVE_LIBGD204
2275 io_ctx->gd_free(io_ctx);
2276 #else
2277 io_ctx->free(io_ctx);
2278 #endif
2279 }
2280 }
2281 }
2282 #endif
2283 return -1;
2284 #endif
2285 }
2286 /* }}} */
2287
2288 #ifdef HAVE_LIBGD15
2289 /* {{{ _php_image_create_from_string
2290 */
_php_image_create_from_string(zval ** data,char * tn,gdImagePtr (* ioctx_func_p)()TSRMLS_DC)2291 gdImagePtr _php_image_create_from_string(zval **data, char *tn, gdImagePtr (*ioctx_func_p)() TSRMLS_DC)
2292 {
2293 gdImagePtr im;
2294 gdIOCtx *io_ctx;
2295
2296 io_ctx = gdNewDynamicCtxEx(Z_STRLEN_PP(data), Z_STRVAL_PP(data), 0);
2297
2298 if (!io_ctx) {
2299 return NULL;
2300 }
2301
2302 im = (*ioctx_func_p)(io_ctx);
2303 if (!im) {
2304 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Passed data is not in '%s' format", tn);
2305 #if HAVE_LIBGD204
2306 io_ctx->gd_free(io_ctx);
2307 #else
2308 io_ctx->free(io_ctx);
2309 #endif
2310 return NULL;
2311 }
2312
2313 #if HAVE_LIBGD204
2314 io_ctx->gd_free(io_ctx);
2315 #else
2316 io_ctx->free(io_ctx);
2317 #endif
2318
2319 return im;
2320 }
2321 /* }}} */
2322
2323 /* {{{ proto resource imagecreatefromstring(string image)
2324 Create a new image from the image stream in the string */
PHP_FUNCTION(imagecreatefromstring)2325 PHP_FUNCTION(imagecreatefromstring)
2326 {
2327 zval **data;
2328 gdImagePtr im;
2329 int imtype;
2330 char sig[8];
2331
2332 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &data) == FAILURE) {
2333 return;
2334 }
2335
2336 convert_to_string_ex(data);
2337 if (Z_STRLEN_PP(data) < 8) {
2338 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty string or invalid image");
2339 RETURN_FALSE;
2340 }
2341
2342 memcpy(sig, Z_STRVAL_PP(data), 8);
2343
2344 imtype = _php_image_type(sig);
2345
2346 switch (imtype) {
2347 case PHP_GDIMG_TYPE_JPG:
2348 #ifdef HAVE_GD_JPG
2349 im = _php_image_create_from_string(data, "JPEG", gdImageCreateFromJpegCtx TSRMLS_CC);
2350 #else
2351 php_error_docref(NULL TSRMLS_CC, E_WARNING, "No JPEG support in this PHP build");
2352 RETURN_FALSE;
2353 #endif
2354 break;
2355
2356 case PHP_GDIMG_TYPE_PNG:
2357 #ifdef HAVE_GD_PNG
2358 im = _php_image_create_from_string(data, "PNG", gdImageCreateFromPngCtx TSRMLS_CC);
2359 #else
2360 php_error_docref(NULL TSRMLS_CC, E_WARNING, "No PNG support in this PHP build");
2361 RETURN_FALSE;
2362 #endif
2363 break;
2364
2365 case PHP_GDIMG_TYPE_GIF:
2366 #ifdef HAVE_GD_GIF_READ
2367 im = _php_image_create_from_string(data, "GIF", gdImageCreateFromGifCtx TSRMLS_CC);
2368 #else
2369 php_error_docref(NULL TSRMLS_CC, E_WARNING, "No GIF support in this PHP build");
2370 RETURN_FALSE;
2371 #endif
2372 break;
2373
2374 case PHP_GDIMG_TYPE_WBM:
2375 #ifdef HAVE_GD_WBMP
2376 im = _php_image_create_from_string(data, "WBMP", gdImageCreateFromWBMPCtx TSRMLS_CC);
2377 #else
2378 php_error_docref(NULL TSRMLS_CC, E_WARNING, "No WBMP support in this PHP build");
2379 RETURN_FALSE;
2380 #endif
2381 break;
2382
2383 case PHP_GDIMG_TYPE_GD2:
2384 #ifdef HAVE_GD_GD2
2385 im = _php_image_create_from_string(data, "GD2", gdImageCreateFromGd2Ctx TSRMLS_CC);
2386 #else
2387 php_error_docref(NULL TSRMLS_CC, E_WARNING, "No GD2 support in this PHP build");
2388 RETURN_FALSE;
2389 #endif
2390 break;
2391
2392 default:
2393 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Data is not in a recognized format");
2394 RETURN_FALSE;
2395 }
2396
2397 if (!im) {
2398 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Couldn't create GD Image Stream out of Data");
2399 RETURN_FALSE;
2400 }
2401
2402 ZEND_REGISTER_RESOURCE(return_value, im, le_gd);
2403 }
2404 /* }}} */
2405 #endif
2406
2407 /* {{{ _php_image_create_from
2408 */
_php_image_create_from(INTERNAL_FUNCTION_PARAMETERS,int image_type,char * tn,gdImagePtr (* func_p)(),gdImagePtr (* ioctx_func_p)())2409 static void _php_image_create_from(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, gdImagePtr (*func_p)(), gdImagePtr (*ioctx_func_p)())
2410 {
2411 char *file;
2412 int file_len;
2413 long srcx, srcy, width, height;
2414 gdImagePtr im = NULL;
2415 php_stream *stream;
2416 FILE * fp = NULL;
2417 #ifdef HAVE_GD_JPG
2418 long ignore_warning;
2419 #endif
2420 if (image_type == PHP_GDIMG_TYPE_GD2PART) {
2421 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sllll", &file, &file_len, &srcx, &srcy, &width, &height) == FAILURE) {
2422 return;
2423 }
2424 if (width < 1 || height < 1) {
2425 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Zero width or height not allowed");
2426 RETURN_FALSE;
2427 }
2428 } else {
2429 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &file, &file_len) == FAILURE) {
2430 return;
2431 }
2432 }
2433
2434 stream = php_stream_open_wrapper(file, "rb", ENFORCE_SAFE_MODE|REPORT_ERRORS|IGNORE_PATH|IGNORE_URL_WIN, NULL);
2435 if (stream == NULL) {
2436 RETURN_FALSE;
2437 }
2438
2439 #ifndef USE_GD_IOCTX
2440 ioctx_func_p = NULL; /* don't allow sockets without IOCtx */
2441 #endif
2442
2443 /* try and avoid allocating a FILE* if the stream is not naturally a FILE* */
2444 if (php_stream_is(stream, PHP_STREAM_IS_STDIO)) {
2445 if (FAILURE == php_stream_cast(stream, PHP_STREAM_AS_STDIO, (void**)&fp, REPORT_ERRORS)) {
2446 goto out_err;
2447 }
2448 } else if (ioctx_func_p) {
2449 #ifdef USE_GD_IOCTX
2450 /* we can create an io context */
2451 gdIOCtx* io_ctx;
2452 size_t buff_size;
2453 char *buff;
2454
2455 /* needs to be malloc (persistent) - GD will free() it later */
2456 buff_size = php_stream_copy_to_mem(stream, &buff, PHP_STREAM_COPY_ALL, 1);
2457
2458 if (!buff_size) {
2459 php_error_docref(NULL TSRMLS_CC, E_WARNING,"Cannot read image data");
2460 goto out_err;
2461 }
2462
2463 io_ctx = gdNewDynamicCtxEx(buff_size, buff, 0);
2464 if (!io_ctx) {
2465 pefree(buff, 1);
2466 php_error_docref(NULL TSRMLS_CC, E_WARNING,"Cannot allocate GD IO context");
2467 goto out_err;
2468 }
2469
2470 if (image_type == PHP_GDIMG_TYPE_GD2PART) {
2471 im = (*ioctx_func_p)(io_ctx, srcx, srcy, width, height);
2472 } else {
2473 im = (*ioctx_func_p)(io_ctx);
2474 }
2475 #if HAVE_LIBGD204
2476 io_ctx->gd_free(io_ctx);
2477 #else
2478 io_ctx->free(io_ctx);
2479 #endif
2480 pefree(buff, 1);
2481 #endif
2482 }
2483 else {
2484 /* try and force the stream to be FILE* */
2485 if (FAILURE == php_stream_cast(stream, PHP_STREAM_AS_STDIO | PHP_STREAM_CAST_TRY_HARD, (void **) &fp, REPORT_ERRORS)) {
2486 goto out_err;
2487 }
2488 }
2489
2490 if (!im && fp) {
2491 switch (image_type) {
2492 case PHP_GDIMG_TYPE_GD2PART:
2493 im = (*func_p)(fp, srcx, srcy, width, height);
2494 break;
2495 #if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
2496 case PHP_GDIMG_TYPE_XPM:
2497 im = gdImageCreateFromXpm(file);
2498 break;
2499 #endif
2500
2501 #ifdef HAVE_GD_JPG
2502 case PHP_GDIMG_TYPE_JPG:
2503 ignore_warning = INI_INT("gd.jpeg_ignore_warning");
2504 #ifdef HAVE_GD_BUNDLED
2505 im = gdImageCreateFromJpeg(fp, ignore_warning);
2506 #else
2507 im = gdImageCreateFromJpeg(fp);
2508 #endif
2509 break;
2510 #endif
2511
2512 default:
2513 im = (*func_p)(fp);
2514 break;
2515 }
2516
2517 fflush(fp);
2518 }
2519
2520 if (im) {
2521 ZEND_REGISTER_RESOURCE(return_value, im, le_gd);
2522 php_stream_close(stream);
2523 return;
2524 }
2525
2526 php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s' is not a valid %s file", file, tn);
2527 out_err:
2528 php_stream_close(stream);
2529 RETURN_FALSE;
2530
2531 }
2532 /* }}} */
2533
2534 #ifdef HAVE_GD_GIF_READ
2535 /* {{{ proto resource imagecreatefromgif(string filename)
2536 Create a new image from GIF file or URL */
PHP_FUNCTION(imagecreatefromgif)2537 PHP_FUNCTION(imagecreatefromgif)
2538 {
2539 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageCreateFromGif, gdImageCreateFromGifCtx);
2540 }
2541 /* }}} */
2542 #endif /* HAVE_GD_GIF_READ */
2543
2544 #ifdef HAVE_GD_JPG
2545 /* {{{ proto resource imagecreatefromjpeg(string filename)
2546 Create a new image from JPEG file or URL */
PHP_FUNCTION(imagecreatefromjpeg)2547 PHP_FUNCTION(imagecreatefromjpeg)
2548 {
2549 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG, "JPEG", gdImageCreateFromJpeg, gdImageCreateFromJpegCtx);
2550 }
2551 /* }}} */
2552 #endif /* HAVE_GD_JPG */
2553
2554 #ifdef HAVE_GD_PNG
2555 /* {{{ proto resource imagecreatefrompng(string filename)
2556 Create a new image from PNG file or URL */
PHP_FUNCTION(imagecreatefrompng)2557 PHP_FUNCTION(imagecreatefrompng)
2558 {
2559 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG, "PNG", gdImageCreateFromPng, gdImageCreateFromPngCtx);
2560 }
2561 /* }}} */
2562 #endif /* HAVE_GD_PNG */
2563
2564 #ifdef HAVE_GD_XBM
2565 /* {{{ proto resource imagecreatefromxbm(string filename)
2566 Create a new image from XBM file or URL */
PHP_FUNCTION(imagecreatefromxbm)2567 PHP_FUNCTION(imagecreatefromxbm)
2568 {
2569 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_XBM, "XBM", gdImageCreateFromXbm, NULL);
2570 }
2571 /* }}} */
2572 #endif /* HAVE_GD_XBM */
2573
2574 #if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
2575 /* {{{ proto resource imagecreatefromxpm(string filename)
2576 Create a new image from XPM file or URL */
PHP_FUNCTION(imagecreatefromxpm)2577 PHP_FUNCTION(imagecreatefromxpm)
2578 {
2579 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_XPM, "XPM", gdImageCreateFromXpm, NULL);
2580 }
2581 /* }}} */
2582 #endif
2583
2584 #ifdef HAVE_GD_WBMP
2585 /* {{{ proto resource imagecreatefromwbmp(string filename)
2586 Create a new image from WBMP file or URL */
PHP_FUNCTION(imagecreatefromwbmp)2587 PHP_FUNCTION(imagecreatefromwbmp)
2588 {
2589 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WBM, "WBMP", gdImageCreateFromWBMP, gdImageCreateFromWBMPCtx);
2590 }
2591 /* }}} */
2592 #endif /* HAVE_GD_WBMP */
2593
2594 /* {{{ proto resource imagecreatefromgd(string filename)
2595 Create a new image from GD file or URL */
PHP_FUNCTION(imagecreatefromgd)2596 PHP_FUNCTION(imagecreatefromgd)
2597 {
2598 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD, "GD", gdImageCreateFromGd, gdImageCreateFromGdCtx);
2599 }
2600 /* }}} */
2601
2602 #ifdef HAVE_GD_GD2
2603 /* {{{ proto resource imagecreatefromgd2(string filename)
2604 Create a new image from GD2 file or URL */
PHP_FUNCTION(imagecreatefromgd2)2605 PHP_FUNCTION(imagecreatefromgd2)
2606 {
2607 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD2, "GD2", gdImageCreateFromGd2, gdImageCreateFromGd2Ctx);
2608 }
2609 /* }}} */
2610
2611 /* {{{ proto resource imagecreatefromgd2part(string filename, int srcX, int srcY, int width, int height)
2612 Create a new image from a given part of GD2 file or URL */
PHP_FUNCTION(imagecreatefromgd2part)2613 PHP_FUNCTION(imagecreatefromgd2part)
2614 {
2615 _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD2PART, "GD2", gdImageCreateFromGd2Part, gdImageCreateFromGd2PartCtx);
2616 }
2617 /* }}} */
2618 #endif /* HAVE_GD_GD2 */
2619
2620 /* {{{ _php_image_output
2621 */
_php_image_output(INTERNAL_FUNCTION_PARAMETERS,int image_type,char * tn,void (* func_p)())2622 static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)())
2623 {
2624 zval *imgind;
2625 char *file = NULL;
2626 long quality = 0, type = 0;
2627 gdImagePtr im;
2628 char *fn = NULL;
2629 FILE *fp;
2630 int file_len = 0, argc = ZEND_NUM_ARGS();
2631 int q = -1, i, t = 1;
2632
2633 /* The quality parameter for Wbmp stands for the threshold when called from image2wbmp() */
2634 /* When called from imagewbmp() the quality parameter stands for the foreground color. Default: black. */
2635 /* The quality parameter for gd2 stands for chunk size */
2636
2637 if (zend_parse_parameters(argc TSRMLS_CC, "r|sll", &imgind, &file, &file_len, &quality, &type) == FAILURE) {
2638 return;
2639 }
2640
2641 ZEND_FETCH_RESOURCE(im, gdImagePtr, &imgind, -1, "Image", le_gd);
2642
2643 if (argc > 1) {
2644 fn = file;
2645 if (argc == 3) {
2646 q = quality;
2647 }
2648 if (argc == 4) {
2649 t = type;
2650 }
2651 }
2652
2653 if (argc >= 2 && file_len) {
2654 if (strlen(file) != file_len) {
2655 RETURN_FALSE;
2656 }
2657 PHP_GD_CHECK_OPEN_BASEDIR(fn, "Invalid filename");
2658
2659 fp = VCWD_FOPEN(fn, "wb");
2660 if (!fp) {
2661 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open '%s' for writing", fn);
2662 RETURN_FALSE;
2663 }
2664
2665 switch (image_type) {
2666 #ifdef HAVE_GD_WBMP
2667 case PHP_GDIMG_CONVERT_WBM:
2668 if (q == -1) {
2669 q = 0;
2670 } else if (q < 0 || q > 255) {
2671 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q);
2672 q = 0;
2673 }
2674 gdImageWBMP(im, q, fp);
2675 break;
2676 #endif
2677 case PHP_GDIMG_TYPE_JPG:
2678 (*func_p)(im, fp, q);
2679 break;
2680 case PHP_GDIMG_TYPE_WBM:
2681 for (i = 0; i < gdImageColorsTotal(im); i++) {
2682 if (gdImageRed(im, i) == 0) break;
2683 }
2684 (*func_p)(im, i, fp);
2685 break;
2686 case PHP_GDIMG_TYPE_GD:
2687 if (im->trueColor){
2688 gdImageTrueColorToPalette(im,1,256);
2689 }
2690 (*func_p)(im, fp);
2691 break;
2692 #ifdef HAVE_GD_GD2
2693 case PHP_GDIMG_TYPE_GD2:
2694 if (q == -1) {
2695 q = 128;
2696 }
2697 (*func_p)(im, fp, q, t);
2698 break;
2699 #endif
2700 default:
2701 if (q == -1) {
2702 q = 128;
2703 }
2704 (*func_p)(im, fp, q, t);
2705 break;
2706 }
2707 fflush(fp);
2708 fclose(fp);
2709 } else {
2710 int b;
2711 FILE *tmp;
2712 char buf[4096];
2713 char *path;
2714
2715 tmp = php_open_temporary_file(NULL, NULL, &path TSRMLS_CC);
2716 if (tmp == NULL) {
2717 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open temporary file");
2718 RETURN_FALSE;
2719 }
2720
2721 switch (image_type) {
2722 #ifdef HAVE_GD_WBMP
2723 case PHP_GDIMG_CONVERT_WBM:
2724 if (q == -1) {
2725 q = 0;
2726 } else if (q < 0 || q > 255) {
2727 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q);
2728 q = 0;
2729 }
2730 gdImageWBMP(im, q, tmp);
2731 break;
2732 #endif
2733 case PHP_GDIMG_TYPE_JPG:
2734 (*func_p)(im, tmp, q);
2735 break;
2736 case PHP_GDIMG_TYPE_WBM:
2737 for (i = 0; i < gdImageColorsTotal(im); i++) {
2738 if (gdImageRed(im, i) == 0) {
2739 break;
2740 }
2741 }
2742 (*func_p)(im, q, tmp);
2743 break;
2744 case PHP_GDIMG_TYPE_GD:
2745 if (im->trueColor) {
2746 gdImageTrueColorToPalette(im,1,256);
2747 }
2748 (*func_p)(im, tmp);
2749 break;
2750 #ifdef HAVE_GD_GD2
2751 case PHP_GDIMG_TYPE_GD2:
2752 if (q == -1) {
2753 q = 128;
2754 }
2755 (*func_p)(im, tmp, q, t);
2756 break;
2757 #endif
2758 default:
2759 (*func_p)(im, tmp);
2760 break;
2761 }
2762
2763 fseek(tmp, 0, SEEK_SET);
2764
2765 #if APACHE && defined(CHARSET_EBCDIC)
2766 /* XXX this is unlikely to work any more thies@thieso.net */
2767
2768 /* This is a binary file already: avoid EBCDIC->ASCII conversion */
2769 ap_bsetflag(php3_rqst->connection->client, B_EBCDIC2ASCII, 0);
2770 #endif
2771 while ((b = fread(buf, 1, sizeof(buf), tmp)) > 0) {
2772 php_write(buf, b TSRMLS_CC);
2773 }
2774
2775 fclose(tmp);
2776 VCWD_UNLINK((const char *)path); /* make sure that the temporary file is removed */
2777 efree(path);
2778 }
2779 RETURN_TRUE;
2780 }
2781 /* }}} */
2782
2783 /* {{{ proto int imagexbm(int im, string filename [, int foreground])
2784 Output XBM image to browser or file */
2785 #if HAVE_GD_BUNDLED
PHP_FUNCTION(imagexbm)2786 PHP_FUNCTION(imagexbm)
2787 {
2788 _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_XBM, "XBM", gdImageXbmCtx);
2789 }
2790 #endif
2791 /* }}} */
2792
2793 #ifdef HAVE_GD_GIF_CREATE
2794 /* {{{ proto bool imagegif(resource im [, string filename])
2795 Output GIF image to browser or file */
PHP_FUNCTION(imagegif)2796 PHP_FUNCTION(imagegif)
2797 {
2798 #ifdef HAVE_GD_GIF_CTX
2799 _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageGifCtx);
2800 #else
2801 _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageGif);
2802 #endif
2803 }
2804 /* }}} */
2805 #endif /* HAVE_GD_GIF_CREATE */
2806
2807 #ifdef HAVE_GD_PNG
2808 /* {{{ proto bool imagepng(resource im [, string filename])
2809 Output PNG image to browser or file */
PHP_FUNCTION(imagepng)2810 PHP_FUNCTION(imagepng)
2811 {
2812 #ifdef USE_GD_IOCTX
2813 _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG, "PNG", gdImagePngCtxEx);
2814 #else
2815 _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG, "PNG", gdImagePng);
2816 #endif
2817 }
2818 /* }}} */
2819 #endif /* HAVE_GD_PNG */
2820
2821 #ifdef HAVE_GD_JPG
2822 /* {{{ proto bool imagejpeg(resource im [, string filename [, int quality]])
2823 Output JPEG image to browser or file */
PHP_FUNCTION(imagejpeg)2824 PHP_FUNCTION(imagejpeg)
2825 {
2826 #ifdef USE_GD_IOCTX
2827 _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG, "JPEG", gdImageJpegCtx);
2828 #else
2829 _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG, "JPEG", gdImageJpeg);
2830 #endif
2831 }
2832 /* }}} */
2833 #endif /* HAVE_GD_JPG */
2834
2835 #ifdef HAVE_GD_WBMP
2836 /* {{{ proto bool imagewbmp(resource im [, string filename, [, int foreground]])
2837 Output WBMP image to browser or file */
PHP_FUNCTION(imagewbmp)2838 PHP_FUNCTION(imagewbmp)
2839 {
2840 #ifdef USE_GD_IOCTX
2841 _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WBM, "WBMP", gdImageWBMPCtx);
2842 #else
2843 _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WBM, "WBMP", gdImageWBMP);
2844 #endif
2845 }
2846 /* }}} */
2847 #endif /* HAVE_GD_WBMP */
2848
2849 /* {{{ proto bool imagegd(resource im [, string filename])
2850 Output GD image to browser or file */
PHP_FUNCTION(imagegd)2851 PHP_FUNCTION(imagegd)
2852 {
2853 _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD, "GD", gdImageGd);
2854 }
2855 /* }}} */
2856
2857 #ifdef HAVE_GD_GD2
2858 /* {{{ proto bool imagegd2(resource im [, string filename, [, int chunk_size, [, int type]]])
2859 Output GD2 image to browser or file */
PHP_FUNCTION(imagegd2)2860 PHP_FUNCTION(imagegd2)
2861 {
2862 _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD2, "GD2", gdImageGd2);
2863 }
2864 /* }}} */
2865 #endif /* HAVE_GD_GD2 */
2866
2867 /* {{{ proto bool imagedestroy(resource im)
2868 Destroy an image */
PHP_FUNCTION(imagedestroy)2869 PHP_FUNCTION(imagedestroy)
2870 {
2871 zval *IM;
2872 gdImagePtr im;
2873
2874 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &IM) == FAILURE) {
2875 return;
2876 }
2877
2878 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
2879
2880 zend_list_delete(Z_LVAL_P(IM));
2881
2882 RETURN_TRUE;
2883 }
2884 /* }}} */
2885
2886
2887 /* {{{ proto int imagecolorallocate(resource im, int red, int green, int blue)
2888 Allocate a color for an image */
PHP_FUNCTION(imagecolorallocate)2889 PHP_FUNCTION(imagecolorallocate)
2890 {
2891 zval *IM;
2892 long red, green, blue;
2893 gdImagePtr im;
2894 int ct = (-1);
2895
2896 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &IM, &red, &green, &blue) == FAILURE) {
2897 return;
2898 }
2899
2900 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
2901
2902 ct = gdImageColorAllocate(im, red, green, blue);
2903 if (ct < 0) {
2904 RETURN_FALSE;
2905 }
2906 RETURN_LONG(ct);
2907 }
2908 /* }}} */
2909
2910 #if HAVE_LIBGD15
2911 /* {{{ proto void imagepalettecopy(resource dst, resource src)
2912 Copy the palette from the src image onto the dst image */
PHP_FUNCTION(imagepalettecopy)2913 PHP_FUNCTION(imagepalettecopy)
2914 {
2915 zval *dstim, *srcim;
2916 gdImagePtr dst, src;
2917
2918 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &dstim, &srcim) == FAILURE) {
2919 return;
2920 }
2921
2922 ZEND_FETCH_RESOURCE(dst, gdImagePtr, &dstim, -1, "Image", le_gd);
2923 ZEND_FETCH_RESOURCE(src, gdImagePtr, &srcim, -1, "Image", le_gd);
2924
2925 gdImagePaletteCopy(dst, src);
2926 }
2927 /* }}} */
2928 #endif
2929
2930 /* {{{ proto int imagecolorat(resource im, int x, int y)
2931 Get the index of the color of a pixel */
PHP_FUNCTION(imagecolorat)2932 PHP_FUNCTION(imagecolorat)
2933 {
2934 zval *IM;
2935 long x, y;
2936 gdImagePtr im;
2937
2938 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &IM, &x, &y) == FAILURE) {
2939 return;
2940 }
2941
2942 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
2943
2944 if (gdImageTrueColor(im)) {
2945 if (im->tpixels && gdImageBoundsSafe(im, x, y)) {
2946 RETURN_LONG(gdImageTrueColorPixel(im, x, y));
2947 } else {
2948 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "%ld,%ld is out of bounds", x, y);
2949 RETURN_FALSE;
2950 }
2951 } else {
2952 if (im->pixels && gdImageBoundsSafe(im, x, y)) {
2953 RETURN_LONG(im->pixels[y][x]);
2954 } else {
2955 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "%ld,%ld is out of bounds", x, y);
2956 RETURN_FALSE;
2957 }
2958 }
2959 }
2960 /* }}} */
2961
2962 /* {{{ proto int imagecolorclosest(resource im, int red, int green, int blue)
2963 Get the index of the closest color to the specified color */
PHP_FUNCTION(imagecolorclosest)2964 PHP_FUNCTION(imagecolorclosest)
2965 {
2966 zval *IM;
2967 long red, green, blue;
2968 gdImagePtr im;
2969
2970 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &IM, &red, &green, &blue) == FAILURE) {
2971 return;
2972 }
2973
2974 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
2975
2976 RETURN_LONG(gdImageColorClosest(im, red, green, blue));
2977 }
2978 /* }}} */
2979
2980 #if HAVE_COLORCLOSESTHWB
2981 /* {{{ proto int imagecolorclosesthwb(resource im, int red, int green, int blue)
2982 Get the index of the color which has the hue, white and blackness nearest to the given color */
PHP_FUNCTION(imagecolorclosesthwb)2983 PHP_FUNCTION(imagecolorclosesthwb)
2984 {
2985 zval *IM;
2986 long red, green, blue;
2987 gdImagePtr im;
2988
2989 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &IM, &red, &green, &blue) == FAILURE) {
2990 return;
2991 }
2992
2993 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
2994
2995 RETURN_LONG(gdImageColorClosestHWB(im, red, green, blue));
2996 }
2997 /* }}} */
2998 #endif
2999
3000 /* {{{ proto bool imagecolordeallocate(resource im, int index)
3001 De-allocate a color for an image */
PHP_FUNCTION(imagecolordeallocate)3002 PHP_FUNCTION(imagecolordeallocate)
3003 {
3004 zval *IM;
3005 long index;
3006 int col;
3007 gdImagePtr im;
3008
3009 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &IM, &index) == FAILURE) {
3010 return;
3011 }
3012
3013 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3014
3015 /* We can return right away for a truecolor image as deallocating colours is meaningless here */
3016 if (gdImageTrueColor(im)) {
3017 RETURN_TRUE;
3018 }
3019
3020 col = index;
3021
3022 if (col >= 0 && col < gdImageColorsTotal(im)) {
3023 gdImageColorDeallocate(im, col);
3024 RETURN_TRUE;
3025 } else {
3026 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Color index %d out of range", col);
3027 RETURN_FALSE;
3028 }
3029 }
3030 /* }}} */
3031
3032 /* {{{ proto int imagecolorresolve(resource im, int red, int green, int blue)
3033 Get the index of the specified color or its closest possible alternative */
PHP_FUNCTION(imagecolorresolve)3034 PHP_FUNCTION(imagecolorresolve)
3035 {
3036 zval *IM;
3037 long red, green, blue;
3038 gdImagePtr im;
3039
3040 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &IM, &red, &green, &blue) == FAILURE) {
3041 return;
3042 }
3043
3044 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3045
3046 RETURN_LONG(gdImageColorResolve(im, red, green, blue));
3047 }
3048 /* }}} */
3049
3050 /* {{{ proto int imagecolorexact(resource im, int red, int green, int blue)
3051 Get the index of the specified color */
PHP_FUNCTION(imagecolorexact)3052 PHP_FUNCTION(imagecolorexact)
3053 {
3054 zval *IM;
3055 long red, green, blue;
3056 gdImagePtr im;
3057
3058 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &IM, &red, &green, &blue) == FAILURE) {
3059 return;
3060 }
3061
3062 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3063
3064 RETURN_LONG(gdImageColorExact(im, red, green, blue));
3065 }
3066 /* }}} */
3067
3068 /* {{{ proto void imagecolorset(resource im, int col, int red, int green, int blue)
3069 Set the color for the specified palette index */
PHP_FUNCTION(imagecolorset)3070 PHP_FUNCTION(imagecolorset)
3071 {
3072 zval *IM;
3073 long color, red, green, blue;
3074 int col;
3075 gdImagePtr im;
3076
3077 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &IM, &color, &red, &green, &blue) == FAILURE) {
3078 return;
3079 }
3080
3081 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3082
3083 col = color;
3084
3085 if (col >= 0 && col < gdImageColorsTotal(im)) {
3086 im->red[col] = red;
3087 im->green[col] = green;
3088 im->blue[col] = blue;
3089 } else {
3090 RETURN_FALSE;
3091 }
3092 }
3093 /* }}} */
3094
3095 /* {{{ proto array imagecolorsforindex(resource im, int col)
3096 Get the colors for an index */
PHP_FUNCTION(imagecolorsforindex)3097 PHP_FUNCTION(imagecolorsforindex)
3098 {
3099 zval *IM;
3100 long index;
3101 int col;
3102 gdImagePtr im;
3103
3104 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &IM, &index) == FAILURE) {
3105 return;
3106 }
3107
3108 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3109
3110 col = index;
3111
3112 if ((col >= 0 && gdImageTrueColor(im)) || (!gdImageTrueColor(im) && col >= 0 && col < gdImageColorsTotal(im))) {
3113 array_init(return_value);
3114
3115 add_assoc_long(return_value,"red", gdImageRed(im,col));
3116 add_assoc_long(return_value,"green", gdImageGreen(im,col));
3117 add_assoc_long(return_value,"blue", gdImageBlue(im,col));
3118 add_assoc_long(return_value,"alpha", gdImageAlpha(im,col));
3119 } else {
3120 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Color index %d out of range", col);
3121 RETURN_FALSE;
3122 }
3123 }
3124 /* }}} */
3125
3126 /* {{{ proto bool imagegammacorrect(resource im, float inputgamma, float outputgamma)
3127 Apply a gamma correction to a GD image */
PHP_FUNCTION(imagegammacorrect)3128 PHP_FUNCTION(imagegammacorrect)
3129 {
3130 zval *IM;
3131 gdImagePtr im;
3132 int i;
3133 double input, output;
3134
3135 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rdd", &IM, &input, &output) == FAILURE) {
3136 return;
3137 }
3138
3139 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3140
3141 if (gdImageTrueColor(im)) {
3142 int x, y, c;
3143
3144 for (y = 0; y < gdImageSY(im); y++) {
3145 for (x = 0; x < gdImageSX(im); x++) {
3146 c = gdImageGetPixel(im, x, y);
3147 gdImageSetPixel(im, x, y,
3148 gdTrueColor(
3149 (int) ((pow((pow((gdTrueColorGetRed(c) / 255.0), input)), 1.0 / output) * 255) + .5),
3150 (int) ((pow((pow((gdTrueColorGetGreen(c) / 255.0), input)), 1.0 / output) * 255) + .5),
3151 (int) ((pow((pow((gdTrueColorGetBlue(c) / 255.0), input)), 1.0 / output) * 255) + .5)
3152 )
3153 );
3154 }
3155 }
3156 RETURN_TRUE;
3157 }
3158
3159 for (i = 0; i < gdImageColorsTotal(im); i++) {
3160 im->red[i] = (int)((pow((pow((im->red[i] / 255.0), input)), 1.0 / output) * 255) + .5);
3161 im->green[i] = (int)((pow((pow((im->green[i] / 255.0), input)), 1.0 / output) * 255) + .5);
3162 im->blue[i] = (int)((pow((pow((im->blue[i] / 255.0), input)), 1.0 / output) * 255) + .5);
3163 }
3164
3165 RETURN_TRUE;
3166 }
3167 /* }}} */
3168
3169 /* {{{ proto bool imagesetpixel(resource im, int x, int y, int col)
3170 Set a single pixel */
PHP_FUNCTION(imagesetpixel)3171 PHP_FUNCTION(imagesetpixel)
3172 {
3173 zval *IM;
3174 long x, y, col;
3175 gdImagePtr im;
3176
3177 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &IM, &x, &y, &col) == FAILURE) {
3178 return;
3179 }
3180
3181 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3182 gdImageSetPixel(im, x, y, col);
3183 RETURN_TRUE;
3184 }
3185 /* }}} */
3186
3187 /* {{{ proto bool imageline(resource im, int x1, int y1, int x2, int y2, int col)
3188 Draw a line */
PHP_FUNCTION(imageline)3189 PHP_FUNCTION(imageline)
3190 {
3191 zval *IM;
3192 long x1, y1, x2, y2, col;
3193 gdImagePtr im;
3194
3195 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &IM, &x1, &y1, &x2, &y2, &col) == FAILURE) {
3196 return;
3197 }
3198
3199 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3200
3201 #ifdef HAVE_GD_BUNDLED
3202 if (im->antialias) {
3203 gdImageAALine(im, x1, y1, x2, y2, col);
3204 } else
3205 #endif
3206 {
3207 gdImageLine(im, x1, y1, x2, y2, col);
3208 }
3209 RETURN_TRUE;
3210 }
3211 /* }}} */
3212
3213 /* {{{ proto bool imagedashedline(resource im, int x1, int y1, int x2, int y2, int col)
3214 Draw a dashed line */
PHP_FUNCTION(imagedashedline)3215 PHP_FUNCTION(imagedashedline)
3216 {
3217 zval *IM;
3218 long x1, y1, x2, y2, col;
3219 gdImagePtr im;
3220
3221 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &IM, &x1, &y1, &x2, &y2, &col) == FAILURE) {
3222 return;
3223 }
3224
3225 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3226 gdImageDashedLine(im, x1, y1, x2, y2, col);
3227 RETURN_TRUE;
3228 }
3229 /* }}} */
3230
3231 /* {{{ proto bool imagerectangle(resource im, int x1, int y1, int x2, int y2, int col)
3232 Draw a rectangle */
PHP_FUNCTION(imagerectangle)3233 PHP_FUNCTION(imagerectangle)
3234 {
3235 zval *IM;
3236 long x1, y1, x2, y2, col;
3237 gdImagePtr im;
3238
3239 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &IM, &x1, &y1, &x2, &y2, &col) == FAILURE) {
3240 return;
3241 }
3242
3243 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3244 gdImageRectangle(im, x1, y1, x2, y2, col);
3245 RETURN_TRUE;
3246 }
3247 /* }}} */
3248
3249 /* {{{ proto bool imagefilledrectangle(resource im, int x1, int y1, int x2, int y2, int col)
3250 Draw a filled rectangle */
PHP_FUNCTION(imagefilledrectangle)3251 PHP_FUNCTION(imagefilledrectangle)
3252 {
3253 zval *IM;
3254 long x1, y1, x2, y2, col;
3255 gdImagePtr im;
3256
3257 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &IM, &x1, &y1, &x2, &y2, &col) == FAILURE) {
3258 return;
3259 }
3260
3261 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3262 gdImageFilledRectangle(im, x1, y1, x2, y2, col);
3263 RETURN_TRUE;
3264 }
3265 /* }}} */
3266
3267 /* {{{ proto bool imagearc(resource im, int cx, int cy, int w, int h, int s, int e, int col)
3268 Draw a partial ellipse */
PHP_FUNCTION(imagearc)3269 PHP_FUNCTION(imagearc)
3270 {
3271 zval *IM;
3272 long cx, cy, w, h, ST, E, col;
3273 gdImagePtr im;
3274 int e, st;
3275
3276 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllllll", &IM, &cx, &cy, &w, &h, &ST, &E, &col) == FAILURE) {
3277 return;
3278 }
3279
3280 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3281
3282 e = E;
3283 if (e < 0) {
3284 e %= 360;
3285 }
3286
3287 st = ST;
3288 if (st < 0) {
3289 st %= 360;
3290 }
3291
3292 gdImageArc(im, cx, cy, w, h, st, e, col);
3293 RETURN_TRUE;
3294 }
3295 /* }}} */
3296
3297 /* {{{ proto bool imageellipse(resource im, int cx, int cy, int w, int h, int color)
3298 Draw an ellipse */
PHP_FUNCTION(imageellipse)3299 PHP_FUNCTION(imageellipse)
3300 {
3301 zval *IM;
3302 long cx, cy, w, h, color;
3303 gdImagePtr im;
3304
3305 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &IM, &cx, &cy, &w, &h, &color) == FAILURE) {
3306 return;
3307 }
3308
3309 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3310
3311 gdImageEllipse(im, cx, cy, w, h, color);
3312 RETURN_TRUE;
3313 }
3314 /* }}} */
3315
3316 /* {{{ proto bool imagefilltoborder(resource im, int x, int y, int border, int col)
3317 Flood fill to specific color */
PHP_FUNCTION(imagefilltoborder)3318 PHP_FUNCTION(imagefilltoborder)
3319 {
3320 zval *IM;
3321 long x, y, border, col;
3322 gdImagePtr im;
3323
3324 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &IM, &x, &y, &border, &col) == FAILURE) {
3325 return;
3326 }
3327
3328 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3329 gdImageFillToBorder(im, x, y, border, col);
3330 RETURN_TRUE;
3331 }
3332 /* }}} */
3333
3334 /* {{{ proto bool imagefill(resource im, int x, int y, int col)
3335 Flood fill */
PHP_FUNCTION(imagefill)3336 PHP_FUNCTION(imagefill)
3337 {
3338 zval *IM;
3339 long x, y, col;
3340 gdImagePtr im;
3341
3342 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &IM, &x, &y, &col) == FAILURE) {
3343 return;
3344 }
3345
3346 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3347 gdImageFill(im, x, y, col);
3348 RETURN_TRUE;
3349 }
3350 /* }}} */
3351
3352 /* {{{ proto int imagecolorstotal(resource im)
3353 Find out the number of colors in an image's palette */
PHP_FUNCTION(imagecolorstotal)3354 PHP_FUNCTION(imagecolorstotal)
3355 {
3356 zval *IM;
3357 gdImagePtr im;
3358
3359 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &IM) == FAILURE) {
3360 return;
3361 }
3362
3363 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3364
3365 RETURN_LONG(gdImageColorsTotal(im));
3366 }
3367 /* }}} */
3368
3369 /* {{{ proto int imagecolortransparent(resource im [, int col])
3370 Define a color as transparent */
PHP_FUNCTION(imagecolortransparent)3371 PHP_FUNCTION(imagecolortransparent)
3372 {
3373 zval *IM;
3374 long COL = 0;
3375 gdImagePtr im;
3376 int argc = ZEND_NUM_ARGS();
3377
3378 if (zend_parse_parameters(argc TSRMLS_CC, "r|l", &IM, &COL) == FAILURE) {
3379 return;
3380 }
3381
3382 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3383
3384 if (argc > 1) {
3385 gdImageColorTransparent(im, COL);
3386 }
3387
3388 RETURN_LONG(gdImageGetTransparent(im));
3389 }
3390 /* }}} */
3391
3392 /* {{{ proto int imageinterlace(resource im [, int interlace])
3393 Enable or disable interlace */
PHP_FUNCTION(imageinterlace)3394 PHP_FUNCTION(imageinterlace)
3395 {
3396 zval *IM;
3397 int argc = ZEND_NUM_ARGS();
3398 long INT = 0;
3399 gdImagePtr im;
3400
3401 if (zend_parse_parameters(argc TSRMLS_CC, "r|l", &IM, &INT) == FAILURE) {
3402 return;
3403 }
3404
3405 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3406
3407 if (argc > 1) {
3408 gdImageInterlace(im, INT);
3409 }
3410
3411 RETURN_LONG(gdImageGetInterlaced(im));
3412 }
3413 /* }}} */
3414
3415 /* {{{ php_imagepolygon
3416 arg = 0 normal polygon
3417 arg = 1 filled polygon */
3418 /* im, points, num_points, col */
php_imagepolygon(INTERNAL_FUNCTION_PARAMETERS,int filled)3419 static void php_imagepolygon(INTERNAL_FUNCTION_PARAMETERS, int filled)
3420 {
3421 zval *IM, *POINTS;
3422 long NPOINTS, COL;
3423 zval **var = NULL;
3424 gdImagePtr im;
3425 gdPointPtr points;
3426 int npoints, col, nelem, i;
3427
3428 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rall", &IM, &POINTS, &NPOINTS, &COL) == FAILURE) {
3429 return;
3430 }
3431
3432 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3433
3434 npoints = NPOINTS;
3435 col = COL;
3436
3437 nelem = zend_hash_num_elements(Z_ARRVAL_P(POINTS));
3438 if (nelem < 6) {
3439 php_error_docref(NULL TSRMLS_CC, E_WARNING, "You must have at least 3 points in your array");
3440 RETURN_FALSE;
3441 }
3442 if (npoints <= 0) {
3443 php_error_docref(NULL TSRMLS_CC, E_WARNING, "You must give a positive number of points");
3444 RETURN_FALSE;
3445 }
3446 if (nelem < npoints * 2) {
3447 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Trying to use %d points in array with only %d points", npoints, nelem/2);
3448 RETURN_FALSE;
3449 }
3450
3451 points = (gdPointPtr) safe_emalloc(npoints, sizeof(gdPoint), 0);
3452
3453 for (i = 0; i < npoints; i++) {
3454 if (zend_hash_index_find(Z_ARRVAL_P(POINTS), (i * 2), (void **) &var) == SUCCESS) {
3455 SEPARATE_ZVAL((var));
3456 convert_to_long(*var);
3457 points[i].x = Z_LVAL_PP(var);
3458 }
3459 if (zend_hash_index_find(Z_ARRVAL_P(POINTS), (i * 2) + 1, (void **) &var) == SUCCESS) {
3460 SEPARATE_ZVAL(var);
3461 convert_to_long(*var);
3462 points[i].y = Z_LVAL_PP(var);
3463 }
3464 }
3465
3466 if (filled) {
3467 gdImageFilledPolygon(im, points, npoints, col);
3468 } else {
3469 gdImagePolygon(im, points, npoints, col);
3470 }
3471
3472 efree(points);
3473 RETURN_TRUE;
3474 }
3475 /* }}} */
3476
3477 /* {{{ proto bool imagepolygon(resource im, array point, int num_points, int col)
3478 Draw a polygon */
PHP_FUNCTION(imagepolygon)3479 PHP_FUNCTION(imagepolygon)
3480 {
3481 php_imagepolygon(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
3482 }
3483 /* }}} */
3484
3485 /* {{{ proto bool imagefilledpolygon(resource im, array point, int num_points, int col)
3486 Draw a filled polygon */
PHP_FUNCTION(imagefilledpolygon)3487 PHP_FUNCTION(imagefilledpolygon)
3488 {
3489 php_imagepolygon(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
3490 }
3491 /* }}} */
3492
3493 /* {{{ php_find_gd_font
3494 */
php_find_gd_font(int size TSRMLS_DC)3495 static gdFontPtr php_find_gd_font(int size TSRMLS_DC)
3496 {
3497 gdFontPtr font;
3498 int ind_type;
3499
3500 switch (size) {
3501 case 1:
3502 font = gdFontTiny;
3503 break;
3504 case 2:
3505 font = gdFontSmall;
3506 break;
3507 case 3:
3508 font = gdFontMediumBold;
3509 break;
3510 case 4:
3511 font = gdFontLarge;
3512 break;
3513 case 5:
3514 font = gdFontGiant;
3515 break;
3516 default:
3517 font = zend_list_find(size - 5, &ind_type);
3518 if (!font || ind_type != le_gd_font) {
3519 if (size < 1) {
3520 font = gdFontTiny;
3521 } else {
3522 font = gdFontGiant;
3523 }
3524 }
3525 break;
3526 }
3527
3528 return font;
3529 }
3530 /* }}} */
3531
3532 /* {{{ php_imagefontsize
3533 * arg = 0 ImageFontWidth
3534 * arg = 1 ImageFontHeight
3535 */
php_imagefontsize(INTERNAL_FUNCTION_PARAMETERS,int arg)3536 static void php_imagefontsize(INTERNAL_FUNCTION_PARAMETERS, int arg)
3537 {
3538 long SIZE;
3539 gdFontPtr font;
3540
3541 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &SIZE) == FAILURE) {
3542 return;
3543 }
3544
3545 font = php_find_gd_font(SIZE TSRMLS_CC);
3546 RETURN_LONG(arg ? font->h : font->w);
3547 }
3548 /* }}} */
3549
3550 /* {{{ proto int imagefontwidth(int font)
3551 Get font width */
PHP_FUNCTION(imagefontwidth)3552 PHP_FUNCTION(imagefontwidth)
3553 {
3554 php_imagefontsize(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
3555 }
3556 /* }}} */
3557
3558 /* {{{ proto int imagefontheight(int font)
3559 Get font height */
PHP_FUNCTION(imagefontheight)3560 PHP_FUNCTION(imagefontheight)
3561 {
3562 php_imagefontsize(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
3563 }
3564 /* }}} */
3565
3566 /* {{{ php_gdimagecharup
3567 * workaround for a bug in gd 1.2 */
php_gdimagecharup(gdImagePtr im,gdFontPtr f,int x,int y,int c,int color)3568 static void php_gdimagecharup(gdImagePtr im, gdFontPtr f, int x, int y, int c, int color)
3569 {
3570 int cx, cy, px, py, fline;
3571 cx = 0;
3572 cy = 0;
3573
3574 if ((c < f->offset) || (c >= (f->offset + f->nchars))) {
3575 return;
3576 }
3577
3578 fline = (c - f->offset) * f->h * f->w;
3579 for (py = y; (py > (y - f->w)); py--) {
3580 for (px = x; (px < (x + f->h)); px++) {
3581 if (f->data[fline + cy * f->w + cx]) {
3582 gdImageSetPixel(im, px, py, color);
3583 }
3584 cy++;
3585 }
3586 cy = 0;
3587 cx++;
3588 }
3589 }
3590 /* }}} */
3591
3592 /* {{{ php_imagechar
3593 * arg = 0 ImageChar
3594 * arg = 1 ImageCharUp
3595 * arg = 2 ImageString
3596 * arg = 3 ImageStringUp
3597 */
php_imagechar(INTERNAL_FUNCTION_PARAMETERS,int mode)3598 static void php_imagechar(INTERNAL_FUNCTION_PARAMETERS, int mode)
3599 {
3600 zval *IM;
3601 long SIZE, X, Y, COL;
3602 char *C;
3603 int C_len;
3604 gdImagePtr im;
3605 int ch = 0, col, x, y, size, i, l = 0;
3606 unsigned char *str = NULL;
3607 gdFontPtr font;
3608
3609 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllsl", &IM, &SIZE, &X, &Y, &C, &C_len, &COL) == FAILURE) {
3610 return;
3611 }
3612
3613 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3614
3615 col = COL;
3616
3617 if (mode < 2) {
3618 ch = (int)((unsigned char)*C);
3619 } else {
3620 str = (unsigned char *) estrndup(C, C_len);
3621 l = strlen((char *)str);
3622 }
3623
3624 y = Y;
3625 x = X;
3626 size = SIZE;
3627
3628 font = php_find_gd_font(size TSRMLS_CC);
3629
3630 switch (mode) {
3631 case 0:
3632 gdImageChar(im, font, x, y, ch, col);
3633 break;
3634 case 1:
3635 php_gdimagecharup(im, font, x, y, ch, col);
3636 break;
3637 case 2:
3638 for (i = 0; (i < l); i++) {
3639 gdImageChar(im, font, x, y, (int) ((unsigned char) str[i]), col);
3640 x += font->w;
3641 }
3642 break;
3643 case 3: {
3644 for (i = 0; (i < l); i++) {
3645 /* php_gdimagecharup(im, font, x, y, (int) str[i], col); */
3646 gdImageCharUp(im, font, x, y, (int) str[i], col);
3647 y -= font->w;
3648 }
3649 break;
3650 }
3651 }
3652 if (str) {
3653 efree(str);
3654 }
3655 RETURN_TRUE;
3656 }
3657 /* }}} */
3658
3659 /* {{{ proto bool imagechar(resource im, int font, int x, int y, string c, int col)
3660 Draw a character */
PHP_FUNCTION(imagechar)3661 PHP_FUNCTION(imagechar)
3662 {
3663 php_imagechar(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
3664 }
3665 /* }}} */
3666
3667 /* {{{ proto bool imagecharup(resource im, int font, int x, int y, string c, int col)
3668 Draw a character rotated 90 degrees counter-clockwise */
PHP_FUNCTION(imagecharup)3669 PHP_FUNCTION(imagecharup)
3670 {
3671 php_imagechar(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
3672 }
3673 /* }}} */
3674
3675 /* {{{ proto bool imagestring(resource im, int font, int x, int y, string str, int col)
3676 Draw a string horizontally */
PHP_FUNCTION(imagestring)3677 PHP_FUNCTION(imagestring)
3678 {
3679 php_imagechar(INTERNAL_FUNCTION_PARAM_PASSTHRU, 2);
3680 }
3681 /* }}} */
3682
3683 /* {{{ proto bool imagestringup(resource im, int font, int x, int y, string str, int col)
3684 Draw a string vertically - rotated 90 degrees counter-clockwise */
PHP_FUNCTION(imagestringup)3685 PHP_FUNCTION(imagestringup)
3686 {
3687 php_imagechar(INTERNAL_FUNCTION_PARAM_PASSTHRU, 3);
3688 }
3689 /* }}} */
3690
3691 /* {{{ proto bool imagecopy(resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h)
3692 Copy part of an image */
PHP_FUNCTION(imagecopy)3693 PHP_FUNCTION(imagecopy)
3694 {
3695 zval *SIM, *DIM;
3696 long SX, SY, SW, SH, DX, DY;
3697 gdImagePtr im_dst, im_src;
3698 int srcH, srcW, srcY, srcX, dstY, dstX;
3699
3700 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &SW, &SH) == FAILURE) {
3701 return;
3702 }
3703
3704 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
3705 ZEND_FETCH_RESOURCE(im_dst, gdImagePtr, &DIM, -1, "Image", le_gd);
3706
3707 srcX = SX;
3708 srcY = SY;
3709 srcH = SH;
3710 srcW = SW;
3711 dstX = DX;
3712 dstY = DY;
3713
3714 gdImageCopy(im_dst, im_src, dstX, dstY, srcX, srcY, srcW, srcH);
3715 RETURN_TRUE;
3716 }
3717 /* }}} */
3718
3719 #if HAVE_LIBGD15
3720 /* {{{ proto bool imagecopymerge(resource src_im, resource dst_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h, int pct)
3721 Merge one part of an image with another */
PHP_FUNCTION(imagecopymerge)3722 PHP_FUNCTION(imagecopymerge)
3723 {
3724 zval *SIM, *DIM;
3725 long SX, SY, SW, SH, DX, DY, PCT;
3726 gdImagePtr im_dst, im_src;
3727 int srcH, srcW, srcY, srcX, dstY, dstX, pct;
3728
3729 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrlllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &SW, &SH, &PCT) == FAILURE) {
3730 return;
3731 }
3732
3733 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
3734 ZEND_FETCH_RESOURCE(im_dst, gdImagePtr, &DIM, -1, "Image", le_gd);
3735
3736 srcX = SX;
3737 srcY = SY;
3738 srcH = SH;
3739 srcW = SW;
3740 dstX = DX;
3741 dstY = DY;
3742 pct = PCT;
3743
3744 gdImageCopyMerge(im_dst, im_src, dstX, dstY, srcX, srcY, srcW, srcH, pct);
3745 RETURN_TRUE;
3746 }
3747 /* }}} */
3748
3749 /* {{{ proto bool imagecopymergegray(resource src_im, resource dst_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h, int pct)
3750 Merge one part of an image with another */
PHP_FUNCTION(imagecopymergegray)3751 PHP_FUNCTION(imagecopymergegray)
3752 {
3753 zval *SIM, *DIM;
3754 long SX, SY, SW, SH, DX, DY, PCT;
3755 gdImagePtr im_dst, im_src;
3756 int srcH, srcW, srcY, srcX, dstY, dstX, pct;
3757
3758 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrlllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &SW, &SH, &PCT) == FAILURE) {
3759 return;
3760 }
3761
3762 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
3763 ZEND_FETCH_RESOURCE(im_dst, gdImagePtr, &DIM, -1, "Image", le_gd);
3764
3765 srcX = SX;
3766 srcY = SY;
3767 srcH = SH;
3768 srcW = SW;
3769 dstX = DX;
3770 dstY = DY;
3771 pct = PCT;
3772
3773 gdImageCopyMergeGray(im_dst, im_src, dstX, dstY, srcX, srcY, srcW, srcH, pct);
3774 RETURN_TRUE;
3775 }
3776 /* }}} */
3777 #endif
3778
3779 /* {{{ proto bool imagecopyresized(resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h)
3780 Copy and resize part of an image */
PHP_FUNCTION(imagecopyresized)3781 PHP_FUNCTION(imagecopyresized)
3782 {
3783 zval *SIM, *DIM;
3784 long SX, SY, SW, SH, DX, DY, DW, DH;
3785 gdImagePtr im_dst, im_src;
3786 int srcH, srcW, dstH, dstW, srcY, srcX, dstY, dstX;
3787
3788 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrllllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &DW, &DH, &SW, &SH) == FAILURE) {
3789 return;
3790 }
3791
3792 ZEND_FETCH_RESOURCE(im_dst, gdImagePtr, &DIM, -1, "Image", le_gd);
3793 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
3794
3795 srcX = SX;
3796 srcY = SY;
3797 srcH = SH;
3798 srcW = SW;
3799 dstX = DX;
3800 dstY = DY;
3801 dstH = DH;
3802 dstW = DW;
3803
3804 if (dstW <= 0 || dstH <= 0 || srcW <= 0 || srcH <= 0) {
3805 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid image dimensions");
3806 RETURN_FALSE;
3807 }
3808
3809 gdImageCopyResized(im_dst, im_src, dstX, dstY, srcX, srcY, dstW, dstH, srcW, srcH);
3810 RETURN_TRUE;
3811 }
3812 /* }}} */
3813
3814 /* {{{ proto int imagesx(resource im)
3815 Get image width */
PHP_FUNCTION(imagesx)3816 PHP_FUNCTION(imagesx)
3817 {
3818 zval *IM;
3819 gdImagePtr im;
3820
3821 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &IM) == FAILURE) {
3822 return;
3823 }
3824
3825 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3826
3827 RETURN_LONG(gdImageSX(im));
3828 }
3829 /* }}} */
3830
3831 /* {{{ proto int imagesy(resource im)
3832 Get image height */
PHP_FUNCTION(imagesy)3833 PHP_FUNCTION(imagesy)
3834 {
3835 zval *IM;
3836 gdImagePtr im;
3837
3838 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &IM) == FAILURE) {
3839 return;
3840 }
3841
3842 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3843
3844 RETURN_LONG(gdImageSY(im));
3845 }
3846 /* }}} */
3847
3848 #ifdef ENABLE_GD_TTF
3849 #define TTFTEXT_DRAW 0
3850 #define TTFTEXT_BBOX 1
3851 #endif
3852
3853 #ifdef ENABLE_GD_TTF
3854
3855 #if HAVE_LIBFREETYPE && HAVE_GD_STRINGFTEX
3856 /* {{{ proto array imageftbbox(float size, float angle, string font_file, string text [, array extrainfo])
3857 Give the bounding box of a text using fonts via freetype2 */
PHP_FUNCTION(imageftbbox)3858 PHP_FUNCTION(imageftbbox)
3859 {
3860 php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_BBOX, 1);
3861 }
3862 /* }}} */
3863
3864 /* {{{ proto array imagefttext(resource im, float size, float angle, int x, int y, int col, string font_file, string text [, array extrainfo])
3865 Write text to the image using fonts via freetype2 */
PHP_FUNCTION(imagefttext)3866 PHP_FUNCTION(imagefttext)
3867 {
3868 php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_DRAW, 1);
3869 }
3870 /* }}} */
3871 #endif
3872
3873 /* {{{ proto array imagettfbbox(float size, float angle, string font_file, string text)
3874 Give the bounding box of a text using TrueType fonts */
PHP_FUNCTION(imagettfbbox)3875 PHP_FUNCTION(imagettfbbox)
3876 {
3877 php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_BBOX, 0);
3878 }
3879 /* }}} */
3880
3881 /* {{{ proto array imagettftext(resource im, float size, float angle, int x, int y, int col, string font_file, string text)
3882 Write text to the image using a TrueType font */
PHP_FUNCTION(imagettftext)3883 PHP_FUNCTION(imagettftext)
3884 {
3885 php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_DRAW, 0);
3886 }
3887 /* }}} */
3888
3889 /* {{{ php_imagettftext_common
3890 */
php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS,int mode,int extended)3891 static void php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS, int mode, int extended)
3892 {
3893 zval *IM, *EXT = NULL;
3894 gdImagePtr im=NULL;
3895 long col = -1, x = -1, y = -1;
3896 int str_len, fontname_len, i, brect[8];
3897 double ptsize, angle;
3898 char *str = NULL, *fontname = NULL;
3899 char *error = NULL;
3900 int argc = ZEND_NUM_ARGS();
3901 #if HAVE_GD_STRINGFTEX
3902 gdFTStringExtra strex = {0};
3903 #endif
3904
3905 #if !HAVE_GD_STRINGFTEX
3906 assert(!extended);
3907 #endif
3908
3909 if (mode == TTFTEXT_BBOX) {
3910 if (argc < 4 || argc > ((extended) ? 5 : 4)) {
3911 ZEND_WRONG_PARAM_COUNT();
3912 } else if (zend_parse_parameters(argc TSRMLS_CC, "ddss|a", &ptsize, &angle, &fontname, &fontname_len, &str, &str_len, &EXT) == FAILURE) {
3913 RETURN_FALSE;
3914 }
3915 } else {
3916 if (argc < 8 || argc > ((extended) ? 9 : 8)) {
3917 ZEND_WRONG_PARAM_COUNT();
3918 } else if (zend_parse_parameters(argc TSRMLS_CC, "rddlllss|a", &IM, &ptsize, &angle, &x, &y, &col, &fontname, &fontname_len, &str, &str_len, &EXT) == FAILURE) {
3919 RETURN_FALSE;
3920 }
3921 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
3922 }
3923
3924 /* convert angle to radians */
3925 angle = angle * (M_PI/180);
3926
3927 #if HAVE_GD_STRINGFTEX
3928 if (extended && EXT) { /* parse extended info */
3929 HashPosition pos;
3930
3931 /* walk the assoc array */
3932 zend_hash_internal_pointer_reset_ex(HASH_OF(EXT), &pos);
3933 do {
3934 zval ** item;
3935 char * key;
3936 ulong num_key;
3937
3938 if (zend_hash_get_current_key_ex(HASH_OF(EXT), &key, NULL, &num_key, 0, &pos) != HASH_KEY_IS_STRING) {
3939 continue;
3940 }
3941
3942 if (zend_hash_get_current_data_ex(HASH_OF(EXT), (void **) &item, &pos) == FAILURE) {
3943 continue;
3944 }
3945
3946 if (strcmp("linespacing", key) == 0) {
3947 convert_to_double_ex(item);
3948 strex.flags |= gdFTEX_LINESPACE;
3949 strex.linespacing = Z_DVAL_PP(item);
3950 }
3951
3952 } while (zend_hash_move_forward_ex(HASH_OF(EXT), &pos) == SUCCESS);
3953 }
3954 #endif
3955
3956 #ifdef VIRTUAL_DIR
3957 {
3958 char tmp_font_path[MAXPATHLEN];
3959
3960 if (!VCWD_REALPATH(fontname, tmp_font_path)) {
3961 fontname = NULL;
3962 }
3963 }
3964 #endif
3965
3966 PHP_GD_CHECK_OPEN_BASEDIR(fontname, "Invalid font filename");
3967
3968 #ifdef USE_GD_IMGSTRTTF
3969 # if HAVE_GD_STRINGFTEX
3970 if (extended) {
3971 error = gdImageStringFTEx(im, brect, col, fontname, ptsize, angle, x, y, str, &strex);
3972 }
3973 else
3974 # endif
3975
3976 # if HAVE_GD_STRINGFT
3977 error = gdImageStringFT(im, brect, col, fontname, ptsize, angle, x, y, str);
3978 # elif HAVE_GD_STRINGTTF
3979 error = gdImageStringTTF(im, brect, col, fontname, ptsize, angle, x, y, str);
3980 # endif
3981
3982 #endif
3983
3984 if (error) {
3985 php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", error);
3986 RETURN_FALSE;
3987 }
3988
3989 array_init(return_value);
3990
3991 /* return array with the text's bounding box */
3992 for (i = 0; i < 8; i++) {
3993 add_next_index_long(return_value, brect[i]);
3994 }
3995 }
3996 /* }}} */
3997 #endif /* ENABLE_GD_TTF */
3998
3999 #if HAVE_LIBT1
4000
4001 /* {{{ php_free_ps_font
4002 */
php_free_ps_font(zend_rsrc_list_entry * rsrc TSRMLS_DC)4003 static void php_free_ps_font(zend_rsrc_list_entry *rsrc TSRMLS_DC)
4004 {
4005 int *font = (int *) rsrc->ptr;
4006
4007 T1_DeleteFont(*font);
4008 efree(font);
4009 }
4010 /* }}} */
4011
4012 /* {{{ php_free_ps_enc
4013 */
php_free_ps_enc(zend_rsrc_list_entry * rsrc TSRMLS_DC)4014 static void php_free_ps_enc(zend_rsrc_list_entry *rsrc TSRMLS_DC)
4015 {
4016 char **enc = (char **) rsrc->ptr;
4017
4018 T1_DeleteEncoding(enc);
4019 }
4020 /* }}} */
4021
4022 /* {{{ proto resource imagepsloadfont(string pathname)
4023 Load a new font from specified file */
PHP_FUNCTION(imagepsloadfont)4024 PHP_FUNCTION(imagepsloadfont)
4025 {
4026 char *file;
4027 int file_len, f_ind, *font;
4028 #ifdef PHP_WIN32
4029 struct stat st;
4030 #endif
4031
4032 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &file, &file_len) == FAILURE) {
4033 return;
4034 }
4035
4036 #ifdef PHP_WIN32
4037 if (VCWD_STAT(file, &st) < 0) {
4038 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Font file not found (%s)", file);
4039 RETURN_FALSE;
4040 }
4041 #endif
4042
4043 f_ind = T1_AddFont(file);
4044
4045 if (f_ind < 0) {
4046 php_error_docref(NULL TSRMLS_CC, E_WARNING, "T1Lib Error (%i): %s", f_ind, T1_StrError(f_ind));
4047 RETURN_FALSE;
4048 }
4049
4050 if (T1_LoadFont(f_ind)) {
4051 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Couldn't load the font");
4052 RETURN_FALSE;
4053 }
4054
4055 font = (int *) emalloc(sizeof(int));
4056 *font = f_ind;
4057 ZEND_REGISTER_RESOURCE(return_value, font, le_ps_font);
4058 }
4059 /* }}} */
4060
4061 /* {{{ proto int imagepscopyfont(int font_index)
4062 Make a copy of a font for purposes like extending or reenconding */
4063 /* The function in t1lib which this function uses seem to be buggy...
4064 PHP_FUNCTION(imagepscopyfont)
4065 {
4066 int l_ind, type;
4067 gd_ps_font *nf_ind, *of_ind;
4068 long fnt;
4069
4070 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &fnt) == FAILURE) {
4071 return;
4072 }
4073
4074 of_ind = zend_list_find(fnt, &type);
4075
4076 if (type != le_ps_font) {
4077 php_error_docref(NULL TSRMLS_CC, E_WARNING, "%ld is not a Type 1 font index", fnt);
4078 RETURN_FALSE;
4079 }
4080
4081 nf_ind = emalloc(sizeof(gd_ps_font));
4082 nf_ind->font_id = T1_CopyFont(of_ind->font_id);
4083
4084 if (nf_ind->font_id < 0) {
4085 l_ind = nf_ind->font_id;
4086 efree(nf_ind);
4087 switch (l_ind) {
4088 case -1:
4089 php_error_docref(NULL TSRMLS_CC, E_WARNING, "FontID %d is not loaded in memory", l_ind);
4090 RETURN_FALSE;
4091 break;
4092 case -2:
4093 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Tried to copy a logical font");
4094 RETURN_FALSE;
4095 break;
4096 case -3:
4097 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Memory allocation fault in t1lib");
4098 RETURN_FALSE;
4099 break;
4100 default:
4101 php_error_docref(NULL TSRMLS_CC, E_WARNING, "An unknown error occurred in t1lib");
4102 RETURN_FALSE;
4103 break;
4104 }
4105 }
4106
4107 nf_ind->extend = 1;
4108 l_ind = zend_list_insert(nf_ind, le_ps_font);
4109 RETURN_LONG(l_ind);
4110 }
4111 */
4112 /* }}} */
4113
4114 /* {{{ proto bool imagepsfreefont(resource font_index)
4115 Free memory used by a font */
PHP_FUNCTION(imagepsfreefont)4116 PHP_FUNCTION(imagepsfreefont)
4117 {
4118 zval *fnt;
4119 int *f_ind;
4120
4121 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &fnt) == FAILURE) {
4122 return;
4123 }
4124
4125 ZEND_FETCH_RESOURCE(f_ind, int *, &fnt, -1, "Type 1 font", le_ps_font);
4126 zend_list_delete(Z_LVAL_P(fnt));
4127 RETURN_TRUE;
4128 }
4129 /* }}} */
4130
4131 /* {{{ proto bool imagepsencodefont(resource font_index, string filename)
4132 To change a fonts character encoding vector */
PHP_FUNCTION(imagepsencodefont)4133 PHP_FUNCTION(imagepsencodefont)
4134 {
4135 zval *fnt;
4136 char *enc, **enc_vector;
4137 int enc_len, *f_ind;
4138
4139 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &fnt, &enc, &enc_len) == FAILURE) {
4140 return;
4141 }
4142
4143 ZEND_FETCH_RESOURCE(f_ind, int *, &fnt, -1, "Type 1 font", le_ps_font);
4144
4145 if ((enc_vector = T1_LoadEncoding(enc)) == NULL) {
4146 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Couldn't load encoding vector from %s", enc);
4147 RETURN_FALSE;
4148 }
4149
4150 T1_DeleteAllSizes(*f_ind);
4151 if (T1_ReencodeFont(*f_ind, enc_vector)) {
4152 T1_DeleteEncoding(enc_vector);
4153 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Couldn't re-encode font");
4154 RETURN_FALSE;
4155 }
4156
4157 zend_list_insert(enc_vector, le_ps_enc);
4158
4159 RETURN_TRUE;
4160 }
4161 /* }}} */
4162
4163 /* {{{ proto bool imagepsextendfont(resource font_index, float extend)
4164 Extend or or condense (if extend < 1) a font */
PHP_FUNCTION(imagepsextendfont)4165 PHP_FUNCTION(imagepsextendfont)
4166 {
4167 zval *fnt;
4168 double ext;
4169 int *f_ind;
4170
4171 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rd", &fnt, &ext) == FAILURE) {
4172 return;
4173 }
4174
4175 ZEND_FETCH_RESOURCE(f_ind, int *, &fnt, -1, "Type 1 font", le_ps_font);
4176
4177 T1_DeleteAllSizes(*f_ind);
4178
4179 if (ext <= 0) {
4180 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Second parameter %F out of range (must be > 0)", ext);
4181 RETURN_FALSE;
4182 }
4183
4184 if (T1_ExtendFont(*f_ind, ext) != 0) {
4185 RETURN_FALSE;
4186 }
4187
4188 RETURN_TRUE;
4189 }
4190 /* }}} */
4191
4192 /* {{{ proto bool imagepsslantfont(resource font_index, float slant)
4193 Slant a font */
PHP_FUNCTION(imagepsslantfont)4194 PHP_FUNCTION(imagepsslantfont)
4195 {
4196 zval *fnt;
4197 double slt;
4198 int *f_ind;
4199
4200 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rd", &fnt, &slt) == FAILURE) {
4201 return;
4202 }
4203
4204 ZEND_FETCH_RESOURCE(f_ind, int *, &fnt, -1, "Type 1 font", le_ps_font);
4205
4206 if (T1_SlantFont(*f_ind, slt) != 0) {
4207 RETURN_FALSE;
4208 }
4209
4210 RETURN_TRUE;
4211 }
4212 /* }}} */
4213
4214 /* {{{ proto array imagepstext(resource image, string text, resource font, int size, int foreground, int background, int xcoord, int ycoord [, int space [, int tightness [, float angle [, int antialias])
4215 Rasterize a string over an image */
PHP_FUNCTION(imagepstext)4216 PHP_FUNCTION(imagepstext)
4217 {
4218 zval *img, *fnt;
4219 int i, j;
4220 long _fg, _bg, x, y, size, space = 0, aa_steps = 4, width = 0;
4221 int *f_ind;
4222 int h_lines, v_lines, c_ind;
4223 int rd, gr, bl, fg_rd, fg_gr, fg_bl, bg_rd, bg_gr, bg_bl;
4224 int fg_al, bg_al, al;
4225 int aa[16];
4226 int amount_kern, add_width;
4227 double angle = 0.0, extend;
4228 unsigned long aa_greys[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
4229 gdImagePtr bg_img;
4230 GLYPH *str_img;
4231 T1_OUTLINE *char_path, *str_path;
4232 T1_TMATRIX *transform = NULL;
4233 char *str;
4234 int str_len;
4235
4236 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsrlllll|lldl", &img, &str, &str_len, &fnt, &size, &_fg, &_bg, &x, &y, &space, &width, &angle, &aa_steps) == FAILURE) {
4237 return;
4238 }
4239
4240 if (aa_steps != 4 && aa_steps != 16) {
4241 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Antialias steps must be 4 or 16");
4242 RETURN_FALSE;
4243 }
4244
4245 ZEND_FETCH_RESOURCE(bg_img, gdImagePtr, &img, -1, "Image", le_gd);
4246 ZEND_FETCH_RESOURCE(f_ind, int *, &fnt, -1, "Type 1 font", le_ps_font);
4247
4248 /* Ensure that the provided colors are valid */
4249 if (_fg < 0 || (!gdImageTrueColor(bg_img) && _fg > gdImageColorsTotal(bg_img))) {
4250 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Foreground color index %ld out of range", _fg);
4251 RETURN_FALSE;
4252 }
4253
4254 if (_bg < 0 || (!gdImageTrueColor(bg_img) && _fg > gdImageColorsTotal(bg_img))) {
4255 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Background color index %ld out of range", _bg);
4256 RETURN_FALSE;
4257 }
4258
4259 fg_rd = gdImageRed (bg_img, _fg);
4260 fg_gr = gdImageGreen(bg_img, _fg);
4261 fg_bl = gdImageBlue (bg_img, _fg);
4262 fg_al = gdImageAlpha(bg_img, _fg);
4263
4264 bg_rd = gdImageRed (bg_img, _bg);
4265 bg_gr = gdImageGreen(bg_img, _bg);
4266 bg_bl = gdImageBlue (bg_img, _bg);
4267 bg_al = gdImageAlpha(bg_img, _bg);
4268
4269 for (i = 0; i < aa_steps; i++) {
4270 rd = bg_rd + (double) (fg_rd - bg_rd) / aa_steps * (i + 1);
4271 gr = bg_gr + (double) (fg_gr - bg_gr) / aa_steps * (i + 1);
4272 bl = bg_bl + (double) (fg_bl - bg_bl) / aa_steps * (i + 1);
4273 al = bg_al + (double) (fg_al - bg_al) / aa_steps * (i + 1);
4274 aa[i] = gdImageColorResolveAlpha(bg_img, rd, gr, bl, al);
4275 }
4276
4277 T1_AASetBitsPerPixel(8);
4278
4279 switch (aa_steps) {
4280 case 4:
4281 T1_AASetGrayValues(0, 1, 2, 3, 4);
4282 T1_AASetLevel(T1_AA_LOW);
4283 break;
4284 case 16:
4285 T1_AAHSetGrayValues(aa_greys);
4286 T1_AASetLevel(T1_AA_HIGH);
4287 break;
4288 default:
4289 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid value %ld as number of steps for antialiasing", aa_steps);
4290 RETURN_FALSE;
4291 }
4292
4293 if (angle) {
4294 transform = T1_RotateMatrix(NULL, angle);
4295 }
4296
4297 if (width) {
4298 extend = T1_GetExtend(*f_ind);
4299 str_path = T1_GetCharOutline(*f_ind, str[0], size, transform);
4300
4301 if (!str_path) {
4302 if (T1_errno) {
4303 php_error_docref(NULL TSRMLS_CC, E_WARNING, "T1Lib Error: %s", T1_StrError(T1_errno));
4304 }
4305 RETURN_FALSE;
4306 }
4307
4308 for (i = 1; i < str_len; i++) {
4309 amount_kern = (int) T1_GetKerning(*f_ind, str[i - 1], str[i]);
4310 amount_kern += str[i - 1] == ' ' ? space : 0;
4311 add_width = (int) (amount_kern + width) / extend;
4312
4313 char_path = T1_GetMoveOutline(*f_ind, add_width, 0, 0, size, transform);
4314 str_path = T1_ConcatOutlines(str_path, char_path);
4315
4316 char_path = T1_GetCharOutline(*f_ind, str[i], size, transform);
4317 str_path = T1_ConcatOutlines(str_path, char_path);
4318 }
4319 str_img = T1_AAFillOutline(str_path, 0);
4320 } else {
4321 str_img = T1_AASetString(*f_ind, str, str_len, space, T1_KERNING, size, transform);
4322 }
4323 if (T1_errno) {
4324 php_error_docref(NULL TSRMLS_CC, E_WARNING, "T1Lib Error: %s", T1_StrError(T1_errno));
4325 RETURN_FALSE;
4326 }
4327
4328 h_lines = str_img->metrics.ascent - str_img->metrics.descent;
4329 v_lines = str_img->metrics.rightSideBearing - str_img->metrics.leftSideBearing;
4330
4331 for (i = 0; i < v_lines; i++) {
4332 for (j = 0; j < h_lines; j++) {
4333 switch (str_img->bits[j * v_lines + i]) {
4334 case 0:
4335 break;
4336 default:
4337 c_ind = aa[str_img->bits[j * v_lines + i] - 1];
4338 gdImageSetPixel(bg_img, x + str_img->metrics.leftSideBearing + i, y - str_img->metrics.ascent + j, c_ind);
4339 break;
4340 }
4341 }
4342 }
4343
4344 array_init(return_value);
4345
4346 add_next_index_long(return_value, str_img->metrics.leftSideBearing);
4347 add_next_index_long(return_value, str_img->metrics.descent);
4348 add_next_index_long(return_value, str_img->metrics.rightSideBearing);
4349 add_next_index_long(return_value, str_img->metrics.ascent);
4350 }
4351 /* }}} */
4352
4353 /* {{{ proto array imagepsbbox(string text, resource font, int size [, int space, int tightness, float angle])
4354 Return the bounding box needed by a string if rasterized */
PHP_FUNCTION(imagepsbbox)4355 PHP_FUNCTION(imagepsbbox)
4356 {
4357 zval *fnt;
4358 long sz = 0, sp = 0, wd = 0;
4359 char *str;
4360 int i, space = 0, add_width = 0, char_width, amount_kern;
4361 int cur_x, cur_y, dx, dy;
4362 int x1, y1, x2, y2, x3, y3, x4, y4;
4363 int *f_ind;
4364 int str_len, per_char = 0;
4365 int argc = ZEND_NUM_ARGS();
4366 double angle = 0, sin_a = 0, cos_a = 0;
4367 BBox char_bbox, str_bbox = {0, 0, 0, 0};
4368
4369 if (argc != 3 && argc != 6) {
4370 ZEND_WRONG_PARAM_COUNT();
4371 }
4372
4373 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "srl|lld", &str, &str_len, &fnt, &sz, &sp, &wd, &angle) == FAILURE) {
4374 return;
4375 }
4376
4377 if (argc == 6) {
4378 space = sp;
4379 add_width = wd;
4380 angle = angle * M_PI / 180;
4381 sin_a = sin(angle);
4382 cos_a = cos(angle);
4383 per_char = add_width || angle ? 1 : 0;
4384 }
4385
4386 ZEND_FETCH_RESOURCE(f_ind, int *, &fnt, -1, "Type 1 font", le_ps_font);
4387
4388 #define max(a, b) (a > b ? a : b)
4389 #define min(a, b) (a < b ? a : b)
4390 #define new_x(a, b) (int) ((a) * cos_a - (b) * sin_a)
4391 #define new_y(a, b) (int) ((a) * sin_a + (b) * cos_a)
4392
4393 if (per_char) {
4394 space += T1_GetCharWidth(*f_ind, ' ');
4395 cur_x = cur_y = 0;
4396
4397 for (i = 0; i < str_len; i++) {
4398 if (str[i] == ' ') {
4399 char_bbox.llx = char_bbox.lly = char_bbox.ury = 0;
4400 char_bbox.urx = char_width = space;
4401 } else {
4402 char_bbox = T1_GetCharBBox(*f_ind, str[i]);
4403 char_width = T1_GetCharWidth(*f_ind, str[i]);
4404 }
4405 amount_kern = i ? T1_GetKerning(*f_ind, str[i - 1], str[i]) : 0;
4406
4407 /* Transfer character bounding box to right place */
4408 x1 = new_x(char_bbox.llx, char_bbox.lly) + cur_x;
4409 y1 = new_y(char_bbox.llx, char_bbox.lly) + cur_y;
4410 x2 = new_x(char_bbox.llx, char_bbox.ury) + cur_x;
4411 y2 = new_y(char_bbox.llx, char_bbox.ury) + cur_y;
4412 x3 = new_x(char_bbox.urx, char_bbox.ury) + cur_x;
4413 y3 = new_y(char_bbox.urx, char_bbox.ury) + cur_y;
4414 x4 = new_x(char_bbox.urx, char_bbox.lly) + cur_x;
4415 y4 = new_y(char_bbox.urx, char_bbox.lly) + cur_y;
4416
4417 /* Find min & max values and compare them with current bounding box */
4418 str_bbox.llx = min(str_bbox.llx, min(x1, min(x2, min(x3, x4))));
4419 str_bbox.lly = min(str_bbox.lly, min(y1, min(y2, min(y3, y4))));
4420 str_bbox.urx = max(str_bbox.urx, max(x1, max(x2, max(x3, x4))));
4421 str_bbox.ury = max(str_bbox.ury, max(y1, max(y2, max(y3, y4))));
4422
4423 /* Move to the next base point */
4424 dx = new_x(char_width + add_width + amount_kern, 0);
4425 dy = new_y(char_width + add_width + amount_kern, 0);
4426 cur_x += dx;
4427 cur_y += dy;
4428 /*
4429 printf("%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n", x1, y1, x2, y2, x3, y3, x4, y4, char_bbox.llx, char_bbox.lly, char_bbox.urx, char_bbox.ury, char_width, amount_kern, cur_x, cur_y, dx, dy);
4430 */
4431 }
4432
4433 } else {
4434 str_bbox = T1_GetStringBBox(*f_ind, str, str_len, space, T1_KERNING);
4435 }
4436
4437 if (T1_errno) {
4438 RETURN_FALSE;
4439 }
4440
4441 array_init(return_value);
4442 /*
4443 printf("%d %d %d %d\n", str_bbox.llx, str_bbox.lly, str_bbox.urx, str_bbox.ury);
4444 */
4445 add_next_index_long(return_value, (int) ceil(((double) str_bbox.llx)*sz/1000));
4446 add_next_index_long(return_value, (int) ceil(((double) str_bbox.lly)*sz/1000));
4447 add_next_index_long(return_value, (int) ceil(((double) str_bbox.urx)*sz/1000));
4448 add_next_index_long(return_value, (int) ceil(((double) str_bbox.ury)*sz/1000));
4449 }
4450 /* }}} */
4451 #endif
4452
4453 #ifdef HAVE_GD_WBMP
4454 /* {{{ proto bool image2wbmp(resource im [, string filename [, int threshold]])
4455 Output WBMP image to browser or file */
PHP_FUNCTION(image2wbmp)4456 PHP_FUNCTION(image2wbmp)
4457 {
4458 _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_CONVERT_WBM, "WBMP", _php_image_bw_convert);
4459 }
4460 /* }}} */
4461 #endif /* HAVE_GD_WBMP */
4462
4463 #if defined(HAVE_GD_JPG) && defined(HAVE_GD_WBMP)
4464 /* {{{ proto bool jpeg2wbmp (string f_org, string f_dest, int d_height, int d_width, int threshold)
4465 Convert JPEG image to WBMP image */
PHP_FUNCTION(jpeg2wbmp)4466 PHP_FUNCTION(jpeg2wbmp)
4467 {
4468 _php_image_convert(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG);
4469 }
4470 /* }}} */
4471 #endif
4472
4473 #if defined(HAVE_GD_PNG) && defined(HAVE_GD_WBMP)
4474 /* {{{ proto bool png2wbmp (string f_org, string f_dest, int d_height, int d_width, int threshold)
4475 Convert PNG image to WBMP image */
PHP_FUNCTION(png2wbmp)4476 PHP_FUNCTION(png2wbmp)
4477 {
4478 _php_image_convert(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG);
4479 }
4480 /* }}} */
4481 #endif
4482
4483 #ifdef HAVE_GD_WBMP
4484 /* {{{ _php_image_bw_convert
4485 * It converts a gd Image to bw using a threshold value */
_php_image_bw_convert(gdImagePtr im_org,gdIOCtx * out,int threshold)4486 static void _php_image_bw_convert(gdImagePtr im_org, gdIOCtx *out, int threshold)
4487 {
4488 gdImagePtr im_dest;
4489 int white, black;
4490 int color, color_org, median;
4491 int dest_height = gdImageSY(im_org);
4492 int dest_width = gdImageSX(im_org);
4493 int x, y;
4494 TSRMLS_FETCH();
4495
4496 im_dest = gdImageCreate(dest_width, dest_height);
4497 if (im_dest == NULL) {
4498 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to allocate temporary buffer");
4499 return;
4500 }
4501
4502 white = gdImageColorAllocate(im_dest, 255, 255, 255);
4503 if (white == -1) {
4504 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to allocate the colors for the destination buffer");
4505 return;
4506 }
4507
4508 black = gdImageColorAllocate(im_dest, 0, 0, 0);
4509 if (black == -1) {
4510 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to allocate the colors for the destination buffer");
4511 return;
4512 }
4513
4514 if (im_org->trueColor) {
4515 gdImageTrueColorToPalette(im_org, 1, 256);
4516 }
4517
4518 for (y = 0; y < dest_height; y++) {
4519 for (x = 0; x < dest_width; x++) {
4520 color_org = gdImageGetPixel(im_org, x, y);
4521 median = (im_org->red[color_org] + im_org->green[color_org] + im_org->blue[color_org]) / 3;
4522 if (median < threshold) {
4523 color = black;
4524 } else {
4525 color = white;
4526 }
4527 gdImageSetPixel (im_dest, x, y, color);
4528 }
4529 }
4530 #ifdef USE_GD_IOCTX
4531 gdImageWBMPCtx (im_dest, black, out);
4532 #else
4533 gdImageWBMP (im_dest, black, out);
4534 #endif
4535
4536 }
4537 /* }}} */
4538
4539 /* {{{ _php_image_convert
4540 * _php_image_convert converts jpeg/png images to wbmp and resizes them as needed */
_php_image_convert(INTERNAL_FUNCTION_PARAMETERS,int image_type)4541 static void _php_image_convert(INTERNAL_FUNCTION_PARAMETERS, int image_type )
4542 {
4543 char *f_org, *f_dest;
4544 int f_org_len, f_dest_len;
4545 long height, width, threshold;
4546 gdImagePtr im_org, im_dest, im_tmp;
4547 char *fn_org = NULL;
4548 char *fn_dest = NULL;
4549 FILE *org, *dest;
4550 int dest_height = -1;
4551 int dest_width = -1;
4552 int org_height, org_width;
4553 int white, black;
4554 int color, color_org, median;
4555 int int_threshold;
4556 int x, y;
4557 float x_ratio, y_ratio;
4558 #ifdef HAVE_GD_JPG
4559 long ignore_warning;
4560 #endif
4561
4562 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sslll", &f_org, &f_org_len, &f_dest, &f_dest_len, &height, &width, &threshold) == FAILURE) {
4563 return;
4564 }
4565
4566 fn_org = f_org;
4567 fn_dest = f_dest;
4568 dest_height = height;
4569 dest_width = width;
4570 int_threshold = threshold;
4571
4572 if (strlen(f_org) != f_org_len) {
4573 RETURN_FALSE;
4574 }
4575
4576 if (strlen(f_dest) != f_dest_len) {
4577 RETURN_FALSE;
4578 }
4579
4580 /* Check threshold value */
4581 if (int_threshold < 0 || int_threshold > 8) {
4582 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid threshold value '%d'", int_threshold);
4583 RETURN_FALSE;
4584 }
4585
4586 /* Check origin file */
4587 PHP_GD_CHECK_OPEN_BASEDIR(fn_org, "Invalid origin filename");
4588
4589 /* Check destination file */
4590 PHP_GD_CHECK_OPEN_BASEDIR(fn_dest, "Invalid destination filename");
4591
4592 /* Open origin file */
4593 org = VCWD_FOPEN(fn_org, "rb");
4594 if (!org) {
4595 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open '%s' for reading", fn_org);
4596 RETURN_FALSE;
4597 }
4598
4599 /* Open destination file */
4600 dest = VCWD_FOPEN(fn_dest, "wb");
4601 if (!dest) {
4602 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open '%s' for writing", fn_dest);
4603 RETURN_FALSE;
4604 }
4605
4606 switch (image_type) {
4607 #ifdef HAVE_GD_GIF_READ
4608 case PHP_GDIMG_TYPE_GIF:
4609 im_org = gdImageCreateFromGif(org);
4610 if (im_org == NULL) {
4611 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open '%s' Not a valid GIF file", fn_dest);
4612 RETURN_FALSE;
4613 }
4614 break;
4615 #endif /* HAVE_GD_GIF_READ */
4616
4617 #ifdef HAVE_GD_JPG
4618 case PHP_GDIMG_TYPE_JPG:
4619 ignore_warning = INI_INT("gd.jpeg_ignore_warning");
4620 #ifdef HAVE_GD_BUNDLED
4621 im_org = gdImageCreateFromJpeg(org, ignore_warning);
4622 #else
4623 im_org = gdImageCreateFromJpeg(org);
4624 #endif
4625 if (im_org == NULL) {
4626 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open '%s' Not a valid JPEG file", fn_dest);
4627 RETURN_FALSE;
4628 }
4629 break;
4630 #endif /* HAVE_GD_JPG */
4631
4632
4633 #ifdef HAVE_GD_PNG
4634 case PHP_GDIMG_TYPE_PNG:
4635 im_org = gdImageCreateFromPng(org);
4636 if (im_org == NULL) {
4637 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open '%s' Not a valid PNG file", fn_dest);
4638 RETURN_FALSE;
4639 }
4640 break;
4641 #endif /* HAVE_GD_PNG */
4642
4643 default:
4644 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Format not supported");
4645 RETURN_FALSE;
4646 break;
4647 }
4648
4649 org_width = gdImageSX (im_org);
4650 org_height = gdImageSY (im_org);
4651
4652 x_ratio = (float) org_width / (float) dest_width;
4653 y_ratio = (float) org_height / (float) dest_height;
4654
4655 if (x_ratio > 1 && y_ratio > 1) {
4656 if (y_ratio > x_ratio) {
4657 x_ratio = y_ratio;
4658 } else {
4659 y_ratio = x_ratio;
4660 }
4661 dest_width = (int) (org_width / x_ratio);
4662 dest_height = (int) (org_height / y_ratio);
4663 } else {
4664 x_ratio = (float) dest_width / (float) org_width;
4665 y_ratio = (float) dest_height / (float) org_height;
4666
4667 if (y_ratio < x_ratio) {
4668 x_ratio = y_ratio;
4669 } else {
4670 y_ratio = x_ratio;
4671 }
4672 dest_width = (int) (org_width * x_ratio);
4673 dest_height = (int) (org_height * y_ratio);
4674 }
4675
4676 im_tmp = gdImageCreate (dest_width, dest_height);
4677 if (im_tmp == NULL ) {
4678 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to allocate temporary buffer");
4679 RETURN_FALSE;
4680 }
4681
4682 gdImageCopyResized (im_tmp, im_org, 0, 0, 0, 0, dest_width, dest_height, org_width, org_height);
4683
4684 gdImageDestroy(im_org);
4685
4686 fclose(org);
4687
4688 im_dest = gdImageCreate(dest_width, dest_height);
4689 if (im_dest == NULL) {
4690 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to allocate destination buffer");
4691 RETURN_FALSE;
4692 }
4693
4694 white = gdImageColorAllocate(im_dest, 255, 255, 255);
4695 if (white == -1) {
4696 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to allocate the colors for the destination buffer");
4697 RETURN_FALSE;
4698 }
4699
4700 black = gdImageColorAllocate(im_dest, 0, 0, 0);
4701 if (black == -1) {
4702 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to allocate the colors for the destination buffer");
4703 RETURN_FALSE;
4704 }
4705
4706 int_threshold = int_threshold * 32;
4707
4708 for (y = 0; y < dest_height; y++) {
4709 for (x = 0; x < dest_width; x++) {
4710 color_org = gdImageGetPixel (im_tmp, x, y);
4711 median = (im_tmp->red[color_org] + im_tmp->green[color_org] + im_tmp->blue[color_org]) / 3;
4712 if (median < int_threshold) {
4713 color = black;
4714 } else {
4715 color = white;
4716 }
4717 gdImageSetPixel (im_dest, x, y, color);
4718 }
4719 }
4720
4721 gdImageDestroy (im_tmp );
4722
4723 gdImageWBMP(im_dest, black , dest);
4724
4725 fflush(dest);
4726 fclose(dest);
4727
4728 gdImageDestroy(im_dest);
4729
4730 RETURN_TRUE;
4731 }
4732 /* }}} */
4733 #endif /* HAVE_GD_WBMP */
4734
4735 #endif /* HAVE_LIBGD */
4736
4737 /* Section Filters */
4738 #define PHP_GD_SINGLE_RES \
4739 zval *SIM; \
4740 gdImagePtr im_src; \
4741 if (zend_parse_parameters(1 TSRMLS_CC, "r", &SIM) == FAILURE) { \
4742 RETURN_FALSE; \
4743 } \
4744 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd); \
4745 if (im_src == NULL) { \
4746 RETURN_FALSE; \
4747 }
4748
php_image_filter_negate(INTERNAL_FUNCTION_PARAMETERS)4749 static void php_image_filter_negate(INTERNAL_FUNCTION_PARAMETERS)
4750 {
4751 PHP_GD_SINGLE_RES
4752
4753 if (gdImageNegate(im_src) == 1) {
4754 RETURN_TRUE;
4755 }
4756
4757 RETURN_FALSE;
4758 }
4759
php_image_filter_grayscale(INTERNAL_FUNCTION_PARAMETERS)4760 static void php_image_filter_grayscale(INTERNAL_FUNCTION_PARAMETERS)
4761 {
4762 PHP_GD_SINGLE_RES
4763
4764 if (gdImageGrayScale(im_src) == 1) {
4765 RETURN_TRUE;
4766 }
4767
4768 RETURN_FALSE;
4769 }
4770
php_image_filter_brightness(INTERNAL_FUNCTION_PARAMETERS)4771 static void php_image_filter_brightness(INTERNAL_FUNCTION_PARAMETERS)
4772 {
4773 zval *SIM;
4774 gdImagePtr im_src;
4775 long brightness, tmp;
4776
4777 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zll", &SIM, &tmp, &brightness) == FAILURE) {
4778 RETURN_FALSE;
4779 }
4780
4781 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
4782
4783 if (im_src == NULL) {
4784 RETURN_FALSE;
4785 }
4786
4787 if (gdImageBrightness(im_src, (int)brightness) == 1) {
4788 RETURN_TRUE;
4789 }
4790
4791 RETURN_FALSE;
4792 }
4793
php_image_filter_contrast(INTERNAL_FUNCTION_PARAMETERS)4794 static void php_image_filter_contrast(INTERNAL_FUNCTION_PARAMETERS)
4795 {
4796 zval *SIM;
4797 gdImagePtr im_src;
4798 long contrast, tmp;
4799
4800 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &SIM, &tmp, &contrast) == FAILURE) {
4801 RETURN_FALSE;
4802 }
4803
4804 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
4805
4806 if (im_src == NULL) {
4807 RETURN_FALSE;
4808 }
4809
4810 if (gdImageContrast(im_src, (int)contrast) == 1) {
4811 RETURN_TRUE;
4812 }
4813
4814 RETURN_FALSE;
4815 }
4816
php_image_filter_colorize(INTERNAL_FUNCTION_PARAMETERS)4817 static void php_image_filter_colorize(INTERNAL_FUNCTION_PARAMETERS)
4818 {
4819 zval *SIM;
4820 gdImagePtr im_src;
4821 long r,g,b,tmp;
4822 long a = 0;
4823
4824 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll|l", &SIM, &tmp, &r, &g, &b, &a) == FAILURE) {
4825 RETURN_FALSE;
4826 }
4827
4828 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
4829
4830 if (im_src == NULL) {
4831 RETURN_FALSE;
4832 }
4833
4834 if (gdImageColor(im_src, (int) r, (int) g, (int) b, (int) a) == 1) {
4835 RETURN_TRUE;
4836 }
4837
4838 RETURN_FALSE;
4839 }
4840
php_image_filter_edgedetect(INTERNAL_FUNCTION_PARAMETERS)4841 static void php_image_filter_edgedetect(INTERNAL_FUNCTION_PARAMETERS)
4842 {
4843 PHP_GD_SINGLE_RES
4844
4845 if (gdImageEdgeDetectQuick(im_src) == 1) {
4846 RETURN_TRUE;
4847 }
4848
4849 RETURN_FALSE;
4850 }
4851
php_image_filter_emboss(INTERNAL_FUNCTION_PARAMETERS)4852 static void php_image_filter_emboss(INTERNAL_FUNCTION_PARAMETERS)
4853 {
4854 PHP_GD_SINGLE_RES
4855
4856 if (gdImageEmboss(im_src) == 1) {
4857 RETURN_TRUE;
4858 }
4859
4860 RETURN_FALSE;
4861 }
4862
php_image_filter_gaussian_blur(INTERNAL_FUNCTION_PARAMETERS)4863 static void php_image_filter_gaussian_blur(INTERNAL_FUNCTION_PARAMETERS)
4864 {
4865 PHP_GD_SINGLE_RES
4866
4867 if (gdImageGaussianBlur(im_src) == 1) {
4868 RETURN_TRUE;
4869 }
4870
4871 RETURN_FALSE;
4872 }
4873
php_image_filter_selective_blur(INTERNAL_FUNCTION_PARAMETERS)4874 static void php_image_filter_selective_blur(INTERNAL_FUNCTION_PARAMETERS)
4875 {
4876 PHP_GD_SINGLE_RES
4877
4878 if (gdImageSelectiveBlur(im_src) == 1) {
4879 RETURN_TRUE;
4880 }
4881
4882 RETURN_FALSE;
4883 }
4884
php_image_filter_mean_removal(INTERNAL_FUNCTION_PARAMETERS)4885 static void php_image_filter_mean_removal(INTERNAL_FUNCTION_PARAMETERS)
4886 {
4887 PHP_GD_SINGLE_RES
4888
4889 if (gdImageMeanRemoval(im_src) == 1) {
4890 RETURN_TRUE;
4891 }
4892
4893 RETURN_FALSE;
4894 }
4895
php_image_filter_smooth(INTERNAL_FUNCTION_PARAMETERS)4896 static void php_image_filter_smooth(INTERNAL_FUNCTION_PARAMETERS)
4897 {
4898 zval *SIM;
4899 long tmp;
4900 gdImagePtr im_src;
4901 double weight;
4902
4903 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rld", &SIM, &tmp, &weight) == FAILURE) {
4904 RETURN_FALSE;
4905 }
4906
4907 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
4908
4909 if (im_src == NULL) {
4910 RETURN_FALSE;
4911 }
4912
4913 if (gdImageSmooth(im_src, (float)weight)==1) {
4914 RETURN_TRUE;
4915 }
4916
4917 RETURN_FALSE;
4918 }
4919
php_image_filter_pixelate(INTERNAL_FUNCTION_PARAMETERS)4920 static void php_image_filter_pixelate(INTERNAL_FUNCTION_PARAMETERS)
4921 {
4922 zval *IM;
4923 gdImagePtr im;
4924 long tmp, blocksize;
4925 zend_bool mode = 0;
4926
4927 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll|b", &IM, &tmp, &blocksize, &mode) == FAILURE) {
4928 RETURN_FALSE;
4929 }
4930
4931 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
4932
4933 if (im == NULL) {
4934 RETURN_FALSE;
4935 }
4936
4937 if (gdImagePixelate(im, (int) blocksize, (const unsigned int) mode)) {
4938 RETURN_TRUE;
4939 }
4940
4941 RETURN_FALSE;
4942 }
4943
4944 /* {{{ proto bool imagefilter(resource src_im, int filtertype, [args] )
4945 Applies Filter an image using a custom angle */
PHP_FUNCTION(imagefilter)4946 PHP_FUNCTION(imagefilter)
4947 {
4948 zval *tmp;
4949
4950 typedef void (*image_filter)(INTERNAL_FUNCTION_PARAMETERS);
4951 long filtertype;
4952 image_filter filters[] =
4953 {
4954 php_image_filter_negate ,
4955 php_image_filter_grayscale,
4956 php_image_filter_brightness,
4957 php_image_filter_contrast,
4958 php_image_filter_colorize,
4959 php_image_filter_edgedetect,
4960 php_image_filter_emboss,
4961 php_image_filter_gaussian_blur,
4962 php_image_filter_selective_blur,
4963 php_image_filter_mean_removal,
4964 php_image_filter_smooth,
4965 php_image_filter_pixelate
4966 };
4967
4968 if (ZEND_NUM_ARGS() < 2 || ZEND_NUM_ARGS() > IMAGE_FILTER_MAX_ARGS) {
4969 WRONG_PARAM_COUNT;
4970 } else if (zend_parse_parameters(2 TSRMLS_CC, "rl", &tmp, &filtertype) == FAILURE) {
4971 return;
4972 }
4973
4974 if (filtertype >= 0 && filtertype <= IMAGE_FILTER_MAX) {
4975 filters[filtertype](INTERNAL_FUNCTION_PARAM_PASSTHRU);
4976 }
4977 }
4978 /* }}} */
4979
4980 /* {{{ proto resource imageconvolution(resource src_im, array matrix3x3, double div, double offset)
4981 Apply a 3x3 convolution matrix, using coefficient div and offset */
PHP_FUNCTION(imageconvolution)4982 PHP_FUNCTION(imageconvolution)
4983 {
4984 zval *SIM, *hash_matrix;
4985 zval **var = NULL, **var2 = NULL;
4986 gdImagePtr im_src = NULL;
4987 double div, offset;
4988 int nelem, i, j, res;
4989 float matrix[3][3] = {{0,0,0}, {0,0,0}, {0,0,0}};
4990
4991 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "radd", &SIM, &hash_matrix, &div, &offset) == FAILURE) {
4992 RETURN_FALSE;
4993 }
4994
4995 ZEND_FETCH_RESOURCE(im_src, gdImagePtr, &SIM, -1, "Image", le_gd);
4996
4997 nelem = zend_hash_num_elements(Z_ARRVAL_P(hash_matrix));
4998 if (nelem != 3) {
4999 php_error_docref(NULL TSRMLS_CC, E_WARNING, "You must have 3x3 array");
5000 RETURN_FALSE;
5001 }
5002
5003 for (i=0; i<3; i++) {
5004 if (zend_hash_index_find(Z_ARRVAL_P(hash_matrix), (i), (void **) &var) == SUCCESS && Z_TYPE_PP(var) == IS_ARRAY) {
5005 if (Z_TYPE_PP(var) != IS_ARRAY || zend_hash_num_elements(Z_ARRVAL_PP(var)) != 3 ) {
5006 php_error_docref(NULL TSRMLS_CC, E_WARNING, "You must have 3x3 array");
5007 RETURN_FALSE;
5008 }
5009
5010 for (j=0; j<3; j++) {
5011 if (zend_hash_index_find(Z_ARRVAL_PP(var), (j), (void **) &var2) == SUCCESS) {
5012 SEPARATE_ZVAL(var2);
5013 convert_to_double(*var2);
5014 matrix[i][j] = Z_DVAL_PP(var2);
5015 } else {
5016 php_error_docref(NULL TSRMLS_CC, E_WARNING, "You must have a 3x3 matrix");
5017 RETURN_FALSE;
5018 }
5019 }
5020 }
5021 }
5022 res = gdImageConvolution(im_src, matrix, div, offset);
5023
5024 if (res) {
5025 RETURN_TRUE;
5026 } else {
5027 RETURN_FALSE;
5028 }
5029 }
5030 /* }}} */
5031 /* End section: Filters */
5032
5033 #ifdef HAVE_GD_BUNDLED
5034 /* {{{ proto bool imageantialias(resource im, bool on)
5035 Should antialiased functions used or not*/
PHP_FUNCTION(imageantialias)5036 PHP_FUNCTION(imageantialias)
5037 {
5038 zval *IM;
5039 zend_bool alias;
5040 gdImagePtr im;
5041
5042 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rb", &IM, &alias) == FAILURE) {
5043 return;
5044 }
5045
5046 ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);
5047 gdImageAntialias(im, alias);
5048 RETURN_TRUE;
5049 }
5050 /* }}} */
5051 #endif
5052
5053 /*
5054 * Local variables:
5055 * tab-width: 4
5056 * c-basic-offset: 4
5057 * End:
5058 * vim600: sw=4 ts=4 fdm=marker
5059 * vim<600: sw=4 ts=4
5060 */
5061