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/* Exercise all scaling with all interpolation modes and ensure that
* at least, something comes back. */
#include <stdio.h>
#include "gd.h"
#include "gdtest.h"
#define X 100
#define Y 100
#define NX 20
#define NY 20
int main() {
int method, i;
for(method = GD_BELL; method <= GD_TRIANGLE; method++) { /* GD_WEIGHTED4 is unsupported. */
gdImagePtr im[2];
// printf("Method = %d\n", method);
im[0] = gdImageCreateTrueColor(X, Y);
im[1] = gdImageCreatePalette(X, Y);
for (i = 0; i < 2; i++) {
gdImagePtr result;
// printf(" %s\n", i == 0 ? "truecolor" : "palette");
gdImageFilledRectangle(im[i], 0, 0, X-1, Y-1,
gdImageColorExactAlpha(im[i], 255, 255, 255, 0));
gdImageSetInterpolationMethod(im[i], method);
gdTestAssert(im[i]->interpolation_id == method); /* No getter yet. */
result = gdImageScale(im[i], NX, NY);
gdTestAssert(result != NULL);
gdTestAssert(result != im[i]);
gdTestAssert(result->sx == NX && result->sy == NY);
gdImageDestroy(result);
gdImageDestroy(im[i]);
}/* for */
}/* for*/
return gdNumFailures();
}/* main*/
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