root/ext/gd/libgd/gd_ss.c

DEFINITIONS

1. gdImagePngToSink
2. gdImageCreateFromPngSource
3. gdImagePngToSink
4. gdImageCreateFromPngSource

#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)
{
        php_gd_error("PNG support is not available");
}
gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource)
{
        php_gd_error("PNG support is not available");
        return NULL;
}
#endif /* HAVE_LIBPNG */