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#include <stdio.h>
#include <string.h>
#define MAGICKCORE_QUANTUM_DEPTH 8
#define MAGICKCORE_HDRI_ENABLE 0
#include <MagickCore/MagickCore.h>
int convert(const char *in, const char *out, int width, int height)
{
if (!IsMagickCoreInstantiated()) {
MagickCoreGenesis(NULL, MagickFalse);
}
printf("converting image %s\n", in);
ExceptionInfo *exception = AcquireExceptionInfo();
printf("reading original image\n");
ImageInfo *info = CloneImageInfo((ImageInfo*)NULL);
if (info == NULL) {
printf("couldn't create new ImageInfo\n");
return 1;
}
strcpy(info->filename, in);
Image *original = ReadImage(info, exception);
if (original == NULL) {
printf("couldn't read original\n");
return 0;
}
printf("resizing\n");
Image *resized = ResizeImage(original, width, height, LanczosFilter, exception);
DestroyImage(original);
if (resized == NULL) {
printf("couldn't resize\n");
return 0;
}
printf("rotating\n");
Image *rotated = IntegralRotateImage(resized, 3, exception);
DestroyImage(resized);
if (rotated == NULL) {
printf("couldn't rotate\n");
return 0;
}
printf("writing grayscale\n");
strcpy(info->filename, out);
WriteImage(info, rotated, exception);
printf("cleaning up\n");
DestroyImage(rotated);
DestroyImageInfo(info);
DestroyExceptionInfo(exception);
return 1;
}
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