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#include <stdio.h>
#include <stdlib.h>
#include "normxcorr_hw.h"
#include "normxcorr_hw_msg.h"
#include "helpers.h"
#include "dict_image.h"
int dictImageFreeBuffer(DICTContext ctx, DICTImageType image_type, void *image_buf) {
switch (image_type) {
#ifdef DICT_TIFF_SUPPORT
case DICT_IMAGE_TIFF:
_TIFFfree(image_buf);
break;
#endif /* DICT_TIFF_SUPPORT */
}
}
int dictImageFree(DICTContext ps) {
if (ps->image_buf) dictImageFreeBuffer(ps, ps->image_type, ps->image_buf);
if (ps->image) free(ps->image);
}
int dictReduceImage(DICTContext ps, void *img, int width, int height) {
int size = width * height;
unsigned char *res = ps->image;
#ifdef DICT_TIFF_SUPPORT
unsigned char *image = (unsigned char*)img;
#endif /* DICT_TIFF_SUPPORT */
switch (ps->image_type) {
#ifdef DICT_TIFF_SUPPORT
case DICT_IMAGE_TIFF:
if (ps->matlab_mode) {
for (int i = 0; i < size; ++i) {
int col = i % height;
int lin = i / height;
int pos = 4*(col * width + lin);
res[i] = roundf(((double)(image[pos] + image[pos+1] + image[pos+2]))/3);
}
} else {
for (int i = 0; i < size; ++i) {
int pos = 4 * i;
res[i] = roundf(((double)(image[pos] + image[pos+1] + image[pos+2]))/3);
}
}
break;
#endif /* DICT_TIFF_SUPPORT */
}
}
int dictImageLoadTemplateImage(DICTContext ps, const char *name) {
#ifdef DICT_TIFF_SUPPORT
uint32_t w, h;
TIFF* tif = TIFFOpen(name, "r");
if (!tif) return DICT_ERROR_IMAGE;
TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w);
TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
if (ps->image_buf) {
dictImageFreeBuffer(ps, ps->image_type, ps->image_buf);
}
if (ps->image) {
free(ps->image);
}
ps->image_type = DICT_IMAGE_TIFF;
ps->image_buf = _TIFFmalloc(w * h * sizeof (uint32_t));
ps->image = (unsigned char*)malloc(w * h * sizeof(unsigned char));
ps->width = w;
ps->height = h;
if ((!ps->image)||(!ps->image_buf)) {
reportError("Problem allocating memory for image %ix%i", w, h);
return DICT_ERROR_MALLOC;
}
if (TIFFReadRGBAImage(tif, w, h, (uint32_t*)ps->image_buf, 0)) {
dictReduceImage(ps, ps->image_buf, w, h);
}
TIFFClose(tif);
return 0;
#else
return DICT_ERROR_IMAGE;
#endif /* DICT_TIFF_SUPPORT */
}
int dictImageLoadImage(DICTContext ps, const char *name) {
#ifdef DICT_TIFF_SUPPORT
TIFF* tif = TIFFOpen(name, "r");
if (!tif) return DICT_ERROR_IMAGE;
if (TIFFReadRGBAImage(tif, ps->width, ps->height, (uint32_t*)ps->image_buf, 0)) {
dictReduceImage(ps, ps->image_buf, ps->width, ps->height);
}
TIFFClose(tif);
return 0;
#else
return DICT_ERROR_IMAGE;
#endif /* DICT_TIFF_SUPPORT */
}
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