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/*
* Test that gdTransformAffineCopy() does not change the interpolation method
*
* See <https://github.com/libgd/libgd/issues/585>
*/
#include "gd.h"
#include "gdtest.h"
int main()
{
gdImagePtr src, dst;
gdRect rect = {0, 0, 8, 8};
double matrix[] = {1, 1, 1, 1, 1, 1};
int res;
gdInterpolationMethod old_m, new_m;
src = gdImageCreateTrueColor(8, 8);
gdTestAssert(src != NULL);
dst = gdImageCreateTrueColor(8, 8);
gdTestAssert(dst != NULL);
res = gdImageSetInterpolationMethod(src, GD_CATMULLROM);
gdTestAssert(res == GD_TRUE);
old_m = gdImageGetInterpolationMethod(src);
gdTransformAffineCopy(dst, 0, 0, src, &rect, matrix);
new_m = gdImageGetInterpolationMethod(src);
gdTestAssert(new_m == old_m);
gdImageDestroy(src);
gdImageDestroy(dst);
return gdNumFailures();
}
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