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