gd_ss.c

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#include <stdio.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include "gd.h"
 
#define TRUE 1
#define FALSE 0
 
/* Exported functions: */
extern void gdImagePngToSink (gdImagePtr im, gdSinkPtr out);
extern gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource);
 
/* Use this for commenting out debug-print statements. */
/* Just use the first '#define' to allow all the prints... */
/*#define GD_SS_DBG(s) (s) */
#define GD_SS_DBG(s)
 
#ifdef HAVE_LIBPNG
void gdImagePngToSink (gdImagePtr im, gdSinkPtr outSink)
{
    gdIOCtx *out = gdNewSSCtx(NULL, outSink);
    gdImagePngCtx(im, out);
    out->gd_free(out);
}
 
gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource)
{
    gdIOCtx *in = gdNewSSCtx(inSource, NULL);
    gdImagePtr im;
 
    im = gdImageCreateFromPngCtx(in);
 
    in->gd_free(in);
 
    return im;
}
#else /* no HAVE_LIBPNG */
void gdImagePngToSink (gdImagePtr im, gdSinkPtr outSink)
{
    gd_error("PNG support is not available");
}
gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource)
{
    gd_error("PNG support is not available");
    return NULL;
}
#endif /* HAVE_LIBPNG */