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

16
image.c
View File

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

6
main.c
View File

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

View File

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