add rt_memory_info function in kernel; cleanup code in dfs_posix.c; add Chinese Font(file cached) support in RTGUI;

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@166 bbd45198-f89e-11dd-88c7-29a3b14d5316

5 files changed, 50 insertions, 51 deletions

diff --git a/rtgui/common/font.c b/rtgui/common/font.c
index 65a64705cc..4979348c22 100644
--- a/rtgui/common/font.c
+++ b/rtgui/common/font.c
@@ -29,26 +29,41 @@ void rtgui_font_system_init()
 	rtgui_list_init(&(_rtgui_font_list));
 
 	/* set default font to NULL */
-	rtgui_default_font = RT_NULL;

+	rtgui_default_font = RT_NULL;
 
 #ifdef RTGUI_USING_FONT16
 	rtgui_font_system_add_font(&rtgui_font_asc16);
 #ifdef RTGUI_USING_FONTHZ
 	rtgui_font_system_add_font(&rtgui_font_hz16);
 #endif
-#endif

+#endif
+
+#ifdef RTGUI_USING_FONT12
 	rtgui_font_system_add_font(&rtgui_font_asc12);
 #ifdef RTGUI_USING_FONTHZ
 	rtgui_font_system_add_font(&rtgui_font_hz12);
 #endif
+#endif
 
+#ifdef RTGUI_USING_FONT12
 	rtgui_font_set_defaut(&rtgui_font_asc12);
+#elif defined(RTGUI_USING_FONT16)
+	rtgui_font_set_defaut(&rtgui_font_asc16);
+#endif
 }
 
 void rtgui_font_system_add_font(struct rtgui_font* font)
 {
 	rtgui_list_init(&(font->list));
 	rtgui_list_append(&_rtgui_font_list, &(font->list));
+
+	/* init font */
+	if (font->engine->font_init != RT_NULL)
+		font->engine->font_init(font);
+
+	/* first refer, load it */
+	if (font->engine->font_load != RT_NULL)
+		font->engine->font_load(font);
 }
 
 void rtgui_font_system_remove_font(struct rtgui_font* font)
diff --git a/rtgui/common/font_hz_file.c b/rtgui/common/font_hz_file.c
index ac4372e50b..6c2967317d 100644
--- a/rtgui/common/font_hz_file.c
+++ b/rtgui/common/font_hz_file.c
@@ -7,30 +7,7 @@
 #include <rtgui/rtgui_system.h>
 #include <dfs_posix.h>
 
-#define HZ_DATA_SIZE    (2 * 16)
 #define HZ_CACHE_MAX    64
-SPLAY_HEAD(cache_tree, hz_cache);
-struct hz_cache
-{
-    SPLAY_ENTRY(hz_cache) hz_node;
-
-    rt_uint16_t hz_id;
-};
-
-struct rtgui_hz_file_font
-{
-    struct cache_tree cache_root;
-    rt_uint16_t cache_size;
-
-    /* font size */
-    rt_uint16_t font_size;
-
-    /* file descriptor */
-    int fd;
-
-    /* font file name */
-    const char* font_fn;
-};
 
 static int _font_cache_compare(struct hz_cache* node1, struct hz_cache* node2);
 
@@ -70,24 +47,25 @@ static rt_uint8_t* _font_cache_get(struct rtgui_hz_file_font* font, rt_uint16_t
     }
 
     /* can not find it, load to cache */
-    cache = (struct hz_cache*) rtgui_malloc(sizeof(struct hz_cache) + HZ_DATA_SIZE);
+    cache = (struct hz_cache*) rtgui_malloc(sizeof(struct hz_cache) + font->font_data_size);
     if (cache == RT_NULL) return RT_NULL; /* no memory yet */
 
     cache->hz_id = hz_id;
-    seek = 94 * ((hz_id & 0xff - 0xA0) - 1) + ((hz_id >> 8) - 0xA0);
-    seek = seek * HZ_DATA_SIZE;
+    seek = 94 * (((hz_id & 0xff) - 0xA0) - 1) + ((hz_id >> 8) - 0xA0) - 1;
+    seek *= font->font_data_size;
 
     /* read hz font data */
     if ((lseek(font->fd, seek, SEEK_SET) < 0) ||
-        read(font->fd, (char*)(cache + 1), HZ_DATA_SIZE) !=
-        HZ_DATA_SIZE)
+        read(font->fd, (char*)(cache + 1), font->font_data_size) !=
+        font->font_data_size)
     {
         rtgui_free(cache);
         return RT_NULL;
     }
 
     /* insert to cache */
-    SPLAY_INSERT(cache_tree, &(font->cache_root), cache);
+    SPLAY_INSERT(cache_tree, &(font->cache_root), cache);

+	font->cache_size ++;
 
     if (font->cache_size > HZ_CACHE_MAX)
     {
@@ -97,7 +75,8 @@ static rt_uint8_t* _font_cache_get(struct rtgui_hz_file_font* font, rt_uint16_t
         while (SPLAY_LEFT(left, hz_node) != RT_NULL) left = SPLAY_LEFT(left, hz_node);
 
         /* remove the left node */
-        SPLAY_REMOVE(cache_tree, &(font->cache_root), left);
+        SPLAY_REMOVE(cache_tree, &(font->cache_root), left);

+		font->cache_size --;
     }
 
     return (rt_uint8_t*)(cache + 1);
@@ -105,7 +84,7 @@ static rt_uint8_t* _font_cache_get(struct rtgui_hz_file_font* font, rt_uint16_t
 
 static void rtgui_hz_file_font_load(struct rtgui_font* font)
 {
-    struct rtgui_hz_file_font* hz_file_font = (struct rtgui_hz_file_font*)font;
+    struct rtgui_hz_file_font* hz_file_font = (struct rtgui_hz_file_font*)font->data;
     RT_ASSERT(hz_file_font != RT_NULL);
 
     hz_file_font->fd = open(hz_file_font->font_fn, O_RDONLY, 0);
@@ -115,7 +94,7 @@ static void rtgui_hz_file_font_draw_text(struct rtgui_font* font, struct rtgui_d
 {
 	rt_base_t h;
 	rt_uint8_t* str;
-    struct rtgui_hz_file_font* hz_file_font = (struct rtgui_hz_file_font*)font;
+    struct rtgui_hz_file_font* hz_file_font = (struct rtgui_hz_file_font*)font->data;
     RT_ASSERT(hz_file_font != RT_NULL);
 
 	/* drawing height */
@@ -130,7 +109,7 @@ static void rtgui_hz_file_font_draw_text(struct rtgui_font* font, struct rtgui_d
 		register rt_base_t i, j, k;
 
 		/* get font pixel data */
-		font_ptr = _font_cache_get(hz_file_font, *(rt_uint16_t*)str);
+		font_ptr = _font_cache_get(hz_file_font, *str | (*(str+1) << 8));
 
 		/* draw word */
 		for (i=0; i < h; i ++)
@@ -155,7 +134,7 @@ static void rtgui_hz_file_font_draw_text(struct rtgui_font* font, struct rtgui_d
 
 static void rtgui_hz_file_font_get_metrics(struct rtgui_font* font, const rt_uint8_t* text, rtgui_rect_t* rect)
 {
-    struct rtgui_hz_file_font* hz_file_font = (struct rtgui_hz_file_font*)font;
+    struct rtgui_hz_file_font* hz_file_font = (struct rtgui_hz_file_font*)font->data;
     RT_ASSERT(hz_file_font != RT_NULL);
 
 	/* set metrics rect */
diff --git a/rtgui/common/hz12font.c b/rtgui/common/hz12font.c
index 0c2e697505..e51ed16e47 100644
--- a/rtgui/common/hz12font.c
+++ b/rtgui/common/hz12font.c
@@ -1,5 +1,6 @@
 #include <rtgui/font.h>
-
+

+#ifdef RTGUI_USING_FONT12
 #ifndef RTGUI_USING_HZ_FILE
 const unsigned char hz12_font[] = {
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -12311,3 +12312,4 @@ struct rtgui_font rtgui_font_hz12 =
 	(void*)&hz12,		/* font private data */
 };
 #endif
+#endif

diff --git a/rtgui/common/hz16font.c b/rtgui/common/hz16font.c
index 01adb78534..8f316f13fd 100644
--- a/rtgui/common/hz16font.c
+++ b/rtgui/common/hz16font.c
@@ -1,5 +1,6 @@
-#include <rtgui/font.h>
+#include <rtgui/font.h>

 
+#ifdef RTGUI_USING_FONT16
 #ifndef RTGUI_USING_HZ_FILE
 const unsigned char hz16_font[] = {
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -16752,20 +16753,21 @@ const struct rtgui_font rtgui_font_hz16 =
 #else
 struct rtgui_hz_file_font hz16 =
 {
-	{RT_NULL}, 			/* cache root */
-	0, 				    /* cache_size */
-	16, 				/* font_size */
-	-1, 				/* fd */
-	"/resource/hz16"	/* font_fn */
+	{RT_NULL}, 				/* cache root 		*/
+	0, 				    	/* cache size 		*/
+	16, 					/* font size 		*/

+	32,						/* font data size 	*/
+	-1, 					/* fd 				*/
+	"/resource/hzk16.fnt"	/* font_fn 			*/
 };
 
-extern struct rtgui_hz_file_font_engine hz_file_font_engine;
-const struct rtgui_font rtgui_font_hz16 =
+struct rtgui_font rtgui_font_hz16 =
 {
-	"hz", 				/* family */
-	16, 				/* height */
-	1, 					/* refer count */
-	&hz_file_font_engine,/* font engine */
-	(void*)&hz16,		/* font private data */
+	"hz", 					/* family */
+	16, 					/* height */
+	1, 						/* refer count */
+	&rtgui_hz_file_font_engine,/* font engine */
+	(void*)&hz16,			/* font private data */
 };
 #endif
+#endif

diff --git a/rtgui/common/image_xpm.c b/rtgui/common/image_xpm.c
index bb7ce057f5..4b171fd674 100644
--- a/rtgui/common/image_xpm.c
+++ b/rtgui/common/image_xpm.c
@@ -565,7 +565,8 @@ color_none:
 		}
 	}
 
-	free_colorhash(colors_table);
+	free_colorhash(colors_table);

+	rtgui_filerw_close(file);
 
 	return RT_TRUE;
 }