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/**
* File: avif_im2im
*
* Sanity check for AVIF encoding and decoding.
* We create a simple gd image, we encode it to AVIF, and we decode it back to gd.
* Then we make sure the image we started with and the image we finish with are the same.
*
*/
#include "gd.h"
#include "gdtest.h"
#include <stdio.h>
int main()
{
gdImagePtr srcGdIm, destGdIm;
void *avifImageDataPtr;
FILE *fp;
int r, g, b;
int size = 0;
CuTestImageResult result = {0, 0};
// Create new gd image and add some shapes to it.
srcGdIm = gdImageCreateTrueColor(100, 100);
gdTestAssertMsg(srcGdIm != NULL, "could not create source image\n");
r = gdImageColorAllocate(srcGdIm, 0xFF, 0, 0);
g = gdImageColorAllocate(srcGdIm, 0, 0xFF, 0);
b = gdImageColorAllocate(srcGdIm, 0, 0, 0xFF);
gdImageFilledRectangle(srcGdIm, 0, 0, 99, 99, r);
gdImageRectangle(srcGdIm, 20, 20, 79, 79, g);
gdImageEllipse(srcGdIm, 70, 25, 30, 20, b);
// Encode the gd image to a test AVIF file.
fp = gdTestTempFp();
gdImageAvif(srcGdIm, fp);
fclose(fp);
// Encode the gd image to an AVIF image in memory.
avifImageDataPtr = gdImageAvifPtrEx(srcGdIm, &size, 100, 10);
gdTestAssertMsg(avifImageDataPtr != NULL, "gdImageAvifPtr() returned null\n");
gdTestAssertMsg(size > 0, "gdImageAvifPtr() returned a non-positive size\n");
// Encode the AVIF image back into a gd image.
destGdIm = gdImageCreateFromAvifPtr(size, avifImageDataPtr);
gdTestAssertMsg(destGdIm != NULL, "gdImageAvifPtr() returned null\n");
// Encode that gd image to a test AVIF file.
fp = gdTestTempFp();
gdImageAvif(destGdIm, fp);
fclose(fp);
// Make sure the image we started with is the same as the image after two conversions.
gdTestImageDiff(srcGdIm, destGdIm, NULL, &result);
gdTestAssertMsg(result.pixels_changed == 0, "pixels changed: %d\n", result.pixels_changed);
if (srcGdIm)
gdImageDestroy(srcGdIm);
if (destGdIm)
gdImageDestroy(destGdIm);
if (avifImageDataPtr)
gdFree(avifImageDataPtr);
return gdNumFailures();
}
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