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/*
* Sesse's demolib
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "demolib_prefs.h"
#include "image/image.h"
#include "image/jpeg_image.h"
#include "image/png_image.h"
#include "image/imagecombiner.h"
#include "packer/file.h"
#include "exception.h"
#if !defined(__GNUC__) && !defined(__ICC__)
#define strcasecmp stricmp
#endif
Image *load_image(const char * const filename)
{
/*
* a syntax of "image:alpha" indicates that the image data and the alpha data
* is in separate files
*/
char *ptr = strchr(filename, ':');
if (ptr != NULL) {
char *fn = strdup(filename);
ptr = strchr(fn, ':');
ptr[0] = 0;
Image *rgb = load_image(fn);
Image *alpha = load_image(ptr + 1);
try {
Image *combined = new ImageCombiner(rgb, alpha);
delete rgb;
delete alpha;
free(fn);
return combined;
} catch (FatalException *e) {
throw new FatalException(filename, e->get_error());
}
}
File *file = load_file(filename);
/* find out what kind of image this is by looking at the extension */
#if DEMOLIB_IMAGE_JPEG
if (strcasecmp(filename + strlen(filename) - 4, ".jpg") == 0 ||
strcasecmp(filename + strlen(filename) - 5, ".jpeg") == 0) {
Image *img = new JPEGImage(file);
delete file;
return img;
}
#endif /* DEMOLIB_IMAGE_JPEG */
#if DEMOLIB_IMAGE_PNG
if (strcasecmp(filename + strlen(filename) - 4, ".png") == 0) {
Image *img = new PNGImage(file);
delete file;
return img;
}
#endif /* DEMOLIB_IMAGE_PNG */
throw new FatalException("Couldn't figure out type of image");
}
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