diff options
Diffstat (limited to 'components/rtgui/common')
| -rw-r--r-- | components/rtgui/common/image.c | 72 | ||||
| -rw-r--r-- | components/rtgui/common/image_container.c | 75 |
2 files changed, 143 insertions, 4 deletions
diff --git a/components/rtgui/common/image.c b/components/rtgui/common/image.c index b7ffdd38f1..23f869d987 100644 --- a/components/rtgui/common/image.c +++ b/components/rtgui/common/image.c @@ -52,6 +52,30 @@ void rtgui_system_image_init(void) #endif } +static struct rtgui_image_engine* rtgui_image_get_engine_by_filename(const char* fn) +{ + struct rtgui_list_node *node; + struct rtgui_image_engine *engine; + const char* ext; + + ext = fn + rt_strlen(fn); + while (ext != fn) + { + if (*ext == '.') { ext ++; break; } + ext --; + } + if (ext == fn) return RT_NULL; /* no ext */ + + rtgui_list_foreach(node, &_rtgui_system_image_list) + { + engine = rtgui_list_entry(node, struct rtgui_image_engine, list); + if (strncasecmp(engine->name, ext, strlen(engine->name)) == 0) + return engine; + } + + return RT_NULL; +} + static struct rtgui_image_engine* rtgui_image_get_engine(const char* type) { struct rtgui_list_node *node; @@ -116,6 +140,54 @@ struct rtgui_image* rtgui_image_create_from_file(const char* type, const char* f return image; } + +struct rtgui_image* rtgui_image_create(const char* filename, rt_bool_t load) +{ + struct rtgui_filerw* filerw; + struct rtgui_image_engine* engine; + struct rtgui_image* image = RT_NULL; + + /* create filerw context */ + filerw = rtgui_filerw_create_file(filename, "rb"); + if (filerw == RT_NULL) return RT_NULL; + + /* get image engine */ + engine = rtgui_image_get_engine_by_filename(filename); + if (engine == RT_NULL) + { + /* close filerw context */ + rtgui_filerw_close(filerw); + return RT_NULL; + } + + if (engine->image_check(filerw) == RT_TRUE) + { + image = (struct rtgui_image*) rtgui_malloc(sizeof(struct rtgui_image)); + if (image == RT_NULL) + { + /* close filerw context */ + rtgui_filerw_close(filerw); + return RT_NULL; + } + + image->palette = RT_NULL; + if (engine->image_load(image, filerw, load) != RT_TRUE) + { + /* close filerw context */ + rtgui_filerw_close(filerw); + return RT_NULL; + } + + /* set image engine */ + image->engine = engine; + } + else + { + rtgui_filerw_close(filerw); + } + + return image; +} #endif struct rtgui_image* rtgui_image_create_from_mem(const char* type, const rt_uint8_t* data, rt_size_t length, rt_bool_t load) diff --git a/components/rtgui/common/image_container.c b/components/rtgui/common/image_container.c index 85f4d00e7b..fd33ff6e1d 100644 --- a/components/rtgui/common/image_container.c +++ b/components/rtgui/common/image_container.c @@ -352,6 +352,13 @@ rt_bool_t string_equal_func(const void* a, const void* b) return RT_FALSE;
}
+/* hash node for imnage */
+struct image_hash_node
+{
+ rt_image_t *image;
+ char *filename;
+};
+
static rtgui_hash_table_t* image_hash_table;
rt_bool_t load_image = RT_FALSE;
void image_container_system_init(rt_bool_t is_load)
@@ -362,15 +369,75 @@ void image_container_system_init(rt_bool_t is_load) load_image = is_load;
}
-rtgui_image_t* image_container_get(const char* filename)
+rtgui_image_t* rtgui_image_container_get(const char* filename)
{
- /* get image type */
+ struct image_hash_node* node;
+
+ node = hash_table_find(image_hash_table, filename);
+ if (node == RT_NULL)
+ {
+ rtgui_image_t *image;
+
+ node = (struct image_hash_node*) rt_malloc (sizeof(struct image_hash_node));
+ if (node == RT_NULL) return RT_NULL;
+
+ /* create a image object */
+ image = rtgui_image_create(filename, load_image);
+ if (image == RT_NULL)
+ {
+ rt_free(node);
+ return RT_NULL; /* create image failed */
+ }
+
+ node->image = image;
+ node->filename = rt_strdup(filename);
+ hash_table_add(image_hash_table, node->filename, node);
+ }
+ else
+ {
+ node->image->ref ++; /* increase refcount */
+ }
+
+ return node->image;
}
-rtgui_image_t* image_container_get_memref(const rt_uint8_t* memory, const char* type)
+rtgui_image_t* rtgui_image_container_get_memref(const rt_uint8_t* memory, const char* type)
{
+ struct image_hash_node* node;
+ char filename[32];
+
+ /* create filename for image identification */
+ rt_snprintf(filename, sizeof(filename), "0x%08x_%s", memory, type);
+
+ /* search in container */
+ node = hash_table_find(image_hash_table, filename);
+ if (node == RT_NULL)
+ {
+ node = (struct image_hash_node*) rt_malloc (sizeof(struct image_hash_node));
+ if (node == RT_NULL) return RT_NULL;
+
+ /* create image object */
+ image = rtgui_image_create_from_mem(memory, type, load_image);
+ if (image == RT_NULL)
+ {
+ rt_free(node);
+ return RT_NULL; /* create image failed */
+ }
+
+ node->image = image;
+ node->filename = rt_strdup(image_id);
+ hash_table_add(image_hash_table, node->filename, node);
+ }
+ else node->image->ref ++;
+
+ return node->image;
}
-void image_container_put(rtgui_image_t* image)
+void rtgui_image_container_put(rtgui_image_t* image)
{
+ image->ref --;
+ if (image->ref == 0)
+ {
+ }
}
+
|
