Load as much of a corrupted gif file as possible

This commit is contained in:
Bert 2011-09-06 11:55:31 +02:00
parent 14d1daf280
commit 8f34b7e95c
3 changed files with 15 additions and 16 deletions

18
image.c
View File

@ -60,7 +60,7 @@ void img_init(img_t *img, win_t *win) {
}
#ifdef HAVE_GIFLIB
/* originally based on, but in it's current form merely inspired by Imlib2's
/* Originally based on, but in its current form merely inspired by Imlib2's
* src/modules/loaders/loader_gif.c:load(), written by Carsten Haitzler.
*/
int img_load_gif(img_t *img, const fileinfo_t *file) {
@ -97,7 +97,6 @@ int img_load_gif(img_t *img, const fileinfo_t *file) {
do {
if (DGifGetRecordType(gif, &rec) == GIF_ERROR) {
warn("could not open gif file: %s", file->name);
err = 1;
break;
}
@ -122,7 +121,6 @@ int img_load_gif(img_t *img, const fileinfo_t *file) {
}
} else if (rec == IMAGE_DESC_RECORD_TYPE) {
if (DGifGetImageDesc(gif) == GIF_ERROR) {
warn("could not open gif frame # %d: %s", img->multi.cnt, file->name);
err = 1;
break;
}
@ -181,7 +179,6 @@ int img_load_gif(img_t *img, const fileinfo_t *file) {
free(data);
if (!im) {
warn("could not open gif frame # %d: %s", img->multi.cnt, file->name);
err = 1;
break;
}
@ -207,16 +204,17 @@ int img_load_gif(img_t *img, const fileinfo_t *file) {
DGifCloseFile(gif);
if (!err && img->multi.cnt > 1) {
if (err && !file->loaded)
warn("corrupted gif file: %s", file->name);
if (img->multi.cnt > 1) {
imlib_context_set_image(img->im);
imlib_free_image();
img->im = img->multi.frames[0].im;
img->multi.animate = GIF_AUTOPLAY;
} else {
for (i = 0; i < img->multi.cnt; i++) {
imlib_context_set_image(img->multi.frames[i].im);
imlib_free_image();
}
} else if (img->multi.cnt == 1) {
imlib_context_set_image(img->multi.frames[0].im);
imlib_free_image();
img->multi.cnt = 0;
img->multi.animate = 0;
}

12
main.c
View File

@ -99,6 +99,7 @@ void check_add_file(char *filename) {
return;
}
}
files[fileidx].loaded = 0;
files[fileidx].name = s_strdup(filename);
if (*filename == '/')
files[fileidx].path = files[fileidx].name;
@ -198,18 +199,17 @@ void load_image(int new) {
new = filecnt - 1;
}
files[new].loaded = 1;
fileidx = new;
if (!stat(files[new].path, &fstats))
filesize = fstats.st_size;
else
filesize = 0;
if (img.multi.cnt) {
if (img.multi.animate)
set_timeout(animate, img.multi.frames[img.multi.sel].delay, 1);
else
reset_timeout(animate);
}
if (img.multi.cnt && img.multi.animate)
set_timeout(animate, img.multi.frames[img.multi.sel].delay, 1);
else
reset_timeout(animate);
}
void update_title() {

View File

@ -29,6 +29,7 @@ typedef enum {
typedef struct {
const char *name; /* as given by user */
const char *path; /* always absolute */
unsigned char loaded;
} fileinfo_t;
/* timeouts in milliseconds: */