efl/legacy/evas/src/lib/engines/common/evas_image_load.c

134 lines
2.8 KiB
C

#include "evas_common.h"
#include "evas_private.h"
extern Evas_List *evas_modules;
static Evas_Image_Load_Func *evas_image_load_func = NULL;
static int evas_common_load_image_lookup(const char *name);
RGBA_Image *
evas_common_load_image_from_file(const char *file, const char *key)
{
Evas_List *l;
RGBA_Image *im;
char *p;
char *loader = NULL;
if (file == NULL)
return NULL;
im = evas_common_image_find(file, key, 0);
if (im)
{
evas_common_image_ref(im);
return im;
}
im = evas_common_image_new();
if (!im)
{
return NULL;
}
p = strrchr(file, '.');
if (p)
{
p++;
#ifdef BUILD_LOADER_PNG
if (!strcasecmp(p, "png"))
loader = "png";
#endif
#ifdef BUILD_LOADER_JPEG
if ((!strcasecmp(p, "jpg")) ||
(!strcasecmp(p, "jpeg")) ||
(!strcasecmp(p, "jfif")))
loader = "jpeg";
#endif
#ifdef BUILD_LOADER_EET
if (!strcasecmp(p, "eet"))
loader = "eet";
#endif
#ifdef BUILD_LOADER_EDB
if (!strcasecmp(p, "edb"))
loader = "edb";
#endif
}
if (!loader)
return NULL;
for (l = evas_modules; l; l = l->next)
{
Evas_Module *em;
Evas_Module_Image_Loader *emil;
em = l->data;
if (em->type != EVAS_MODULE_TYPE_IMAGE_LOADER) continue;
if (!em->data) continue;
emil = (Evas_Module_Image_Loader *)em->data;
if (emil->id != evas_common_load_image_lookup(loader)) continue;
if (!evas_module_load(em)) return NULL;
evas_image_load_func = em->functions;
goto beach;
}
return NULL;
beach:
if (!evas_image_load_func->file_head(im, file, key))
{
evas_common_image_free(im);
return NULL;
}
im->info.file = (char *)evas_stringshare_add(file);
if (key) im->info.key = (char *)evas_stringshare_add(key);
evas_common_image_ref(im);
return im;
}
void
evas_common_load_image_data_from_file(RGBA_Image *im)
{
if (im->image->data) return;
if (!evas_image_load_func->file_data(im, im->info.file, im->info.key))
{
evas_common_image_surface_alloc(im->image);
if (!im->image->data)
{
const DATA32 pixel = 0xffffffff;
im->image->w = 1;
im->image->h = 1;
im->image->data = (DATA32 *)&pixel;
im->image->no_free = 1;
}
}
}
static int
evas_common_load_image_lookup(const char *name)
{
static int i = 1;
Evas_Module *em;
Evas_Module_Image_Loader *emil;
if (!name) return RENDER_METHOD_INVALID;
/* search on the engines list for the name */
em = evas_module_find_type(EVAS_MODULE_TYPE_IMAGE_LOADER, name);
if(!em) return RENDER_METHOD_INVALID;
emil = (Evas_Module_Image_Loader *)em->data;
if(!emil)
{
emil = (Evas_Module_Image_Loader *)malloc(sizeof(Evas_Module_Image_Loader));
em->data = emil;
emil->id = i;
i++;
}
return emil->id;
}