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efl: evas gif loader now use Eina_File. 

SVN revision: 81971
This commit is contained in:
Cedric BAIL 2013-01-02 05:30:06 +00:00
parent 663d56e498
commit 23e6e67ac8
3 changed files with 131 additions and 85 deletions
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2
ChangeLog
View File

@ -1,6 +1,6 @@
2013-01-02 Cedric Bail
* Use Eina_File for evas webp and eet loader.
* Use Eina_File for evas webp, gif and eet loader.
* Add eet_map to open an Eet file from an Eina_File.
2012-12-31 Gustavo Sverzut Barbieri (k-s)

2
NEWS
View File

@ -69,7 +69,7 @@ Improvements:
* Display more information with eet -l -v.
* eina_magic_fail() now throws error messages on NULL pointers instead of critical
* all efl object-freeing functions now take NULL without crashing or erroring
* use Eina_File in webp and eet loader
* use Eina_File in webp, gif and eet loader
Fixes:
* Fix PPC (big endian) image codec bug.

212
src/modules/evas/loaders/gif/evas_image_load_gif.c
View File

@ -661,38 +661,65 @@ evas_image_load_file_data_gif_internal(Image_Entry *ie, Image_Entry_Frame *frame
return EINA_TRUE;
}
typedef struct _Evas_GIF_Info Evas_GIF_Info;
struct _Evas_GIF_Info
{
unsigned char *map;
int length;
int position;
};
static int
_evas_image_load_file_read(GifFileType* gft, GifByteType *buf,int length)
{
Evas_GIF_Info *egi = gft->UserData;
if (egi->position == egi->length) return 0;
if (egi->position + length == egi->length) length = egi->length - egi->position;
memcpy(buf, egi->map + egi->position, length);
egi->position += length;
return length;
}
static Eina_Bool
evas_image_load_file_head_gif(Image_Entry *ie, const char *file, const char *key EINA_UNUSED, int *error)
{
int fd;
GifFileType *gif;
GifRecordType rec;
int w;
int h;
int alpha;
int loop_count = -1;
Evas_GIF_Info egi;
GifRecordType rec;
GifFileType *gif;
Eina_File *f;
int w;
int h;
int alpha;
int loop_count = -1;
Eina_Bool r = EINA_FALSE;
w = 0;
h = 0;
alpha = -1;
#ifndef __EMX__
fd = open(file, O_RDONLY);
#else
fd = open(file, O_RDONLY | O_BINARY);
#endif
if (fd < 0)
f = eina_file_open(file, EINA_FALSE);
if (!f)
{
*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
return EINA_FALSE;
}
gif = DGifOpenFileHandle(fd);
egi.map = eina_file_map_all(f, EINA_FILE_SEQUENTIAL);
if (!egi.map)
{
*error = EVAS_LOAD_ERROR_CORRUPT_FILE;
goto on_error;
}
egi.length = eina_file_size_get(f);
egi.position = 0;
gif = DGifOpen(&egi, _evas_image_load_file_read);
if (!gif)
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
/* check logical screen size */
@ -708,12 +735,11 @@ evas_image_load_file_head_gif(Image_Entry *ie, const char *file, const char *key
if ((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE) ||
IMG_TOO_BIG(w, h))
{
DGifCloseFile(gif);
if (IMG_TOO_BIG(w, h))
*error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
else
*error = EVAS_LOAD_ERROR_GENERIC;
return EINA_FALSE;
goto on_error;
}
ie->w = w;
ie->h = h;
@ -723,9 +749,8 @@ evas_image_load_file_head_gif(Image_Entry *ie, const char *file, const char *key
if (DGifGetRecordType(gif, &rec) == GIF_ERROR)
{
/* PrintGifError(); */
DGifCloseFile(gif);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
/* image descript info */
@ -737,17 +762,15 @@ evas_image_load_file_head_gif(Image_Entry *ie, const char *file, const char *key
if (DGifGetImageDesc(gif) == GIF_ERROR)
{
/* PrintGifError(); */
DGifCloseFile(gif);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
/* we have to count frame, so use DGifGetCode and skip decoding */
if (DGifGetCode(gif, &img_code, &img) == GIF_ERROR)
{
/* PrintGifError(); */
DGifCloseFile(gif);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
while (img)
{
@ -801,71 +824,83 @@ evas_image_load_file_head_gif(Image_Entry *ie, const char *file, const char *key
ie->frames = NULL;
}
DGifCloseFile(gif);
*error = EVAS_LOAD_ERROR_NONE;
return EINA_TRUE;
r = EINA_TRUE;
on_error:
if (gif) DGifCloseFile(gif);
if (egi.map) eina_file_map_free(f, egi.map);
eina_file_close(f);
return r;
}
static Eina_Bool
evas_image_load_specific_frame(Image_Entry *ie, const char *file, int frame_index, int *error)
{
int fd;
Evas_GIF_Info egi;
Eina_File *f;
GifFileType *gif;
Image_Entry_Frame *frame = NULL;
Gif_Frame *gif_frame = NULL;
Eina_Bool r = EINA_FALSE;
#ifndef __EMX__
fd = open(file, O_RDONLY);
#else
fd = open(file, O_RDONLY | O_BINARY);
#endif
if (fd < 0)
f = eina_file_open(file, EINA_FALSE);
if (!f)
{
*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
return EINA_FALSE;
}
gif = DGifOpenFileHandle(fd);
egi.map = eina_file_map_all(f, EINA_FILE_SEQUENTIAL);
if (!egi.map)
{
*error = EVAS_LOAD_ERROR_CORRUPT_FILE;
goto on_error;
}
egi.length = eina_file_size_get(f);
egi.position = 0;
gif = DGifOpen(&egi, _evas_image_load_file_read);
if (!gif)
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
if (!_evas_image_skip_frame(gif, frame_index-1))
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
frame = malloc(sizeof (Image_Entry_Frame));
if (!frame)
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
return EINA_FALSE;
goto on_error;
}
gif_frame = malloc(sizeof (Gif_Frame));
if (!gif_frame)
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
return EINA_FALSE;
goto on_error;
}
frame->info = gif_frame;
frame->index = frame_index;
if (!_evas_image_load_frame(ie,gif, frame, LOAD_FRAME_DATA_INFO,error))
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
ie->frames = eina_list_append(ie->frames, frame);
DGifCloseFile(gif);
return EINA_TRUE;
r = EINA_TRUE;
on_error:
if (gif) DGifCloseFile(gif);
if (egi.map) eina_file_map_free(f, egi.map);
eina_file_close(f);
return r;
}
static Eina_Bool
@ -900,43 +935,52 @@ evas_image_load_file_data_gif(Image_Entry *ie, const char *file, const char *key
evas_image_load_file_data_gif_internal(ie,frame,error);
else
{
int fd;
GifFileType *gif;
Evas_GIF_Info egi;
GifFileType *gif = NULL;
Eina_File *f = NULL;
Eina_Bool r = EINA_FALSE;
#ifndef __EMX__
fd = open(file, O_RDONLY);
#else
fd = open(file, O_RDONLY | O_BINARY);
#endif
if (fd < 0)
f = eina_file_open(file, EINA_FALSE);
if (!f)
{
*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
return EINA_FALSE;
}
gif = DGifOpenFileHandle(fd);
egi.map = eina_file_map_all(f, EINA_FILE_SEQUENTIAL);
if (!egi.map)
{
*error = EVAS_LOAD_ERROR_CORRUPT_FILE;
goto on_error;
}
egi.length = eina_file_size_get(f);
egi.position = 0;
gif = DGifOpen(&egi, _evas_image_load_file_read);
if (!gif)
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
_evas_image_skip_frame(gif, cur_frame_index-1);
if (!_evas_image_load_frame(ie, gif, frame, LOAD_FRAME_DATA,error))
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
if (!evas_image_load_file_data_gif_internal(ie, frame, error))
{
if (fd) close(fd);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
goto on_error;
}
DGifCloseFile(gif);
*error = EVAS_LOAD_ERROR_NONE;
return EINA_TRUE;
r = EINA_TRUE;
on_error:
if (gif) DGifCloseFile(gif);
if (egi.map) eina_file_map_free(f, egi.map);
eina_file_close(f);
return r;
}
}
/* current frame does is not exist */
@ -963,13 +1007,14 @@ evas_image_load_file_data_gif(Image_Entry *ie, const char *file, const char *key
static double
evas_image_load_frame_duration_gif(Image_Entry *ie, const char *file, const int start_frame, const int frame_num)
{
int fd;
GifFileType *gif;
GifRecordType rec;
int current_frame = 1;
int remain_frames = frame_num;
double duration = 0;
int frame_count = 0;
Evas_GIF_Info egi;
Eina_File *f;
GifFileType *gif = NULL;
GifRecordType rec;
int current_frame = 1;
int remain_frames = frame_num;
double duration = -1;
int frame_count = 0;
frame_count = ie->frame_count;
@ -977,20 +1022,18 @@ evas_image_load_frame_duration_gif(Image_Entry *ie, const char *file, const int
if ((start_frame + frame_num) > frame_count) return -1;
if (frame_num < 0) return -1;
#ifndef __EMX__
fd = open(file, O_RDONLY);
#else
fd = open(file, O_RDONLY | O_BINARY);
#endif
if (fd < 0) return -1;
f = eina_file_open(file, EINA_FALSE);
if (f) return -1;
gif = DGifOpenFileHandle(fd);
if (!gif)
{
if (fd) close(fd);
return -1;
}
egi.map = eina_file_map_all(f, EINA_FILE_SEQUENTIAL);
if (!egi.map) goto on_error;
egi.length = eina_file_size_get(f);
egi.position = 0;
gif = DGifOpen(&egi, _evas_image_load_file_read);
if (!gif) goto on_error;
duration = 0;
do
{
if (DGifGetRecordType(gif, &rec) == GIF_ERROR)
@ -1048,7 +1091,10 @@ evas_image_load_frame_duration_gif(Image_Entry *ie, const char *file, const int
}
} while (rec != TERMINATE_RECORD_TYPE);
DGifCloseFile(gif);
on_error:
if (gif) DGifCloseFile(gif);
if (egi.map) eina_file_map_free(f, egi.map);
eina_file_close(f);
return duration;
}