1 #include <stdio.h> 2 #include <math.h> 3 #include <string.h> 4 #include <stdlib.h> 5 #include "gd.h" 6 7 #define TRUE 1 8 #define FALSE 0 9 10 /* Exported functions: */ 11 extern void gdImagePngToSink (gdImagePtr im, gdSinkPtr out); 12 extern gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource); 13 14 /* Use this for commenting out debug-print statements. */ 15 /* Just use the first '#define' to allow all the prints... */ 16 /*#define GD_SS_DBG(s) (s) */ 17 #define GD_SS_DBG(s) 18 19 #ifdef HAVE_LIBPNG gdImagePngToSink(gdImagePtr im,gdSinkPtr outSink)20void gdImagePngToSink (gdImagePtr im, gdSinkPtr outSink) 21 { 22 gdIOCtx *out = gdNewSSCtx(NULL, outSink); 23 gdImagePngCtx(im, out); 24 out->gd_free(out); 25 } 26 gdImageCreateFromPngSource(gdSourcePtr inSource)27gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource) 28 { 29 gdIOCtx *in = gdNewSSCtx(inSource, NULL); 30 gdImagePtr im; 31 32 im = gdImageCreateFromPngCtx(in); 33 34 in->gd_free(in); 35 36 return im; 37 } 38 #else /* no HAVE_LIBPNG */ gdImagePngToSink(gdImagePtr im,gdSinkPtr outSink)39void gdImagePngToSink (gdImagePtr im, gdSinkPtr outSink) 40 { 41 gd_error("PNG support is not available"); 42 } gdImageCreateFromPngSource(gdSourcePtr inSource)43gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource) 44 { 45 gd_error("PNG support is not available"); 46 return NULL; 47 } 48 #endif /* HAVE_LIBPNG */ 49 50
