1 #ifndef GD_COMPAT_H 2 #define GD_COMPAT_H 1 3 4 #if HAVE_GD_BUNDLED 5 # include "gd.h" 6 #else 7 # include <gd.h> 8 #endif 9 10 const char * gdPngGetVersionString(); 11 const char * gdJpegGetVersionString(); 12 int gdJpegGetVersionInt(); 13 int overflow2(int a, int b); 14 15 /* filters section 16 * 17 * Negate the imag src, white becomes black, 18 * The red, green, and blue intensities of an image are negated. 19 * White becomes black, yellow becomes blue, etc. 20 */ 21 int gdImageNegate(gdImagePtr src); 22 23 /* Convert the image src to a grayscale image */ 24 int gdImageGrayScale(gdImagePtr src); 25 26 /* Set the brightness level <brightness> for the image src */ 27 int gdImageBrightness(gdImagePtr src, int brightness); 28 29 /* Set the contrast level <contrast> for the image <src> */ 30 int gdImageContrast(gdImagePtr src, double contrast); 31 32 /* Simply adds or substracts respectively red, green or blue to a pixel */ 33 int gdImageColor(gdImagePtr src, const int red, const int green, const int blue, const int alpha); 34 35 #if !defined(HAVE_GD_IMAGE_CONVOLUTION) 36 /* Image convolution by a 3x3 custom matrix */ 37 int gdImageConvolution(gdImagePtr src, float ft[3][3], float filter_div, float offset); 38 int gdImageEdgeDetectQuick(gdImagePtr src); 39 int gdImageGaussianBlur(gdImagePtr im); 40 int gdImageSelectiveBlur( gdImagePtr src); 41 int gdImageEmboss(gdImagePtr im); 42 int gdImageMeanRemoval(gdImagePtr im); 43 int gdImageSmooth(gdImagePtr im, float weight); 44 #endif 45 46 #if !defined(HAVE_GD_IMAGE_PIXELATE) 47 enum gdPixelateMode { 48 GD_PIXELATE_UPPERLEFT, 49 GD_PIXELATE_AVERAGE 50 }; 51 52 int gdImagePixelate(gdImagePtr im, int block_size, const unsigned int mode); 53 #endif 54 55 int gdImagePixelate(gdImagePtr im, int block_size, const unsigned int mode); 56 57 #if !HAVE_GD_IMAGEELLIPSE 58 void gdImageEllipse(gdImagePtr im, int cx, int cy, int w, int h, int c); 59 #endif 60 61 gdImagePtr gdImageRotate (gdImagePtr src, double dAngle, int clrBack, int ignoretransparent); 62 63 int gdImageColorMatch (gdImagePtr im1, gdImagePtr im2); 64 65 #endif 66 67
