2021-05-05 10:31:45 -07:00
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/**
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* Basic test for writing and reading lossless WebP
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*
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* We create an image, write it as WebP, read it in again, and compare it
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* with the original image.
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*/
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#include "gd.h"
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#include "gdtest.h"
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int main()
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{
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gdImagePtr src, dst;
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int r, g, b;
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void *p;
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int size = 0;
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src = gdImageCreateTrueColor(100, 100);
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gdTestAssert(src != NULL);
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r = gdImageColorAllocate(src, 0xFF, 0, 0);
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g = gdImageColorAllocate(src, 0, 0xFF, 0);
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b = gdImageColorAllocate(src, 0, 0, 0xFF);
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gdImageFilledRectangle(src, 0, 0, 99, 99, r);
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gdImageRectangle(src, 20, 20, 79, 79, g);
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gdImageEllipse(src, 75, 25, 30, 20, b);
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p = gdImageWebpPtrEx(src, &size, gdWebpLossless);
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gdTestAssert(p != NULL);
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gdTestAssert(size > 0);
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dst = gdImageCreateFromWebpPtr(size, p);
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gdTestAssert(dst != NULL);
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gdAssertImageEquals(src, dst);
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gdFree(p);
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gdImageDestroy(dst);
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gdImageDestroy(src);
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return gdNumFailures();
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}
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