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#include "FPMImageOperations.h"
#include "FPMPNG.h"
#include <assert.h>
enum
{
kOutWidth = 173,
kOutHeight = 219
};
#define kWorkingSpace kFPMGammaLinear
int main (int argc, const char * argv[])
{
FPMInit();
assert(argc > 1);
FloatPixMapRef source = FPMCreateWithPNG(argv[1], kWorkingSpace, NULL);
FloatPixMapRef target = FPMCreateC(kOutWidth, kOutHeight);
float xscale = (float)FPMGetWidth(source) / (float)kOutWidth;
float yscale = (float)FPMGetHeight(source) / (float)kOutHeight;
FPM_FOR_EACH_PIXEL(target, true)
{
float fx = ((float)x) * xscale;
float fy = ((float)y) * yscale;
// printf("(%i, %i) -> (%g, %g)\n", x, y, fx, fy);
*pixel = FPMSampleCubic(source, fx, fy, kFPMWrapClamp, kFPMWrapClamp);
}
FPM_END_FOR_EACH_PIXEL
FPMWritePNG(target, "/tmp/fpm-sample-test.png", kFPMWritePNGDither, kWorkingSpace, kFPMGammaSRGB, NULL);
}
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