diff options
Diffstat (limited to 'components/rtgui_win/include/rtgui/font.h')
| -rw-r--r-- | components/rtgui_win/include/rtgui/font.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/components/rtgui_win/include/rtgui/font.h b/components/rtgui_win/include/rtgui/font.h new file mode 100644 index 0000000000..f56de6ae4e --- /dev/null +++ b/components/rtgui_win/include/rtgui/font.h @@ -0,0 +1,116 @@ +/*
+ * File : font.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2009-10-16 Bernard first version
+ */
+#ifndef __RTGUI_FONT_H__
+#define __RTGUI_FONT_H__
+
+#include <rtgui/rtgui.h>
+#include <rtgui/list.h>
+
+extern rtgui_font_t rtgui_font_asc12,rtgui_font_asc16,font_dotum;
+
+struct rtgui_font_engine
+{
+ /* font engine function */
+ void (*font_init)(rtgui_font_t* font);
+ void (*font_load)(rtgui_font_t* font);
+
+ void (*font_draw_text)(rtgui_font_t* font, rtgui_dc_t *dc, const char* text, rt_uint32_t len, rtgui_rect_t* rect);
+ void (*font_get_metrics)(rtgui_font_t* font, const char* text, rtgui_rect_t* rect);
+};
+
+/*
+ * bitmap font engine
+ */
+/* bitmap font private data */
+struct rtgui_font_bitmap
+{
+ /* bitmap data */
+ const rt_uint8_t* bmp;
+ const rt_uint8_t* char_width; /* each character width, NULL for fixed font */ + const rt_uint32_t* offset; /* offset for each character */
+
+ rt_uint16_t width;
+ rt_uint16_t height;
+
+ rt_uint8_t first_char;
+ rt_uint8_t last_char;
+};
+extern const struct rtgui_font_engine bmp_font_engine;
+
+#include <rtgui/tree.h>
+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;
+ rt_uint16_t font_data_size;
+
+ /* file descriptor */
+ int fd;
+
+ /* font file name */
+ const char* font_fn;
+};
+extern struct rtgui_font_engine rtgui_hz_file_font_engine;
+
+struct rtgui_font
+{
+ /* font name */
+ char* family;
+
+ /* font height */
+ rt_uint16_t height;
+
+ /* refer count */
+ rt_uint32_t refer_count;
+
+ /* font engine */
+ const struct rtgui_font_engine* engine;
+
+ /* font private data */
+ void* data;
+
+ /* the font list */
+ rtgui_list_t list;
+};
+typedef struct rtgui_font rtgui_font_t;
+
+void rtgui_font_system_init(void);
+void rtgui_font_system_add_font(rtgui_font_t* font);
+void rtgui_font_system_remove_font(rtgui_font_t* font);
+rtgui_font_t* rtgui_font_default(void);
+void rtgui_font_set_defaut(rtgui_font_t* font);
+
+rtgui_font_t* rtgui_font_refer(const rt_uint8_t* family, rt_uint16_t height);
+void rtgui_font_derefer(rtgui_font_t* font);
+
+/* draw a text */
+void rtgui_font_draw(rtgui_font_t* font, rtgui_dc_t *dc, const char* text, rt_uint32_t len, rtgui_rect_t* rect);
+int rtgui_font_get_string_width(rtgui_font_t* font, const char* text);//ȡ���ַ����Ŀ���
+int rtgui_font_get_font_width(rtgui_font_t* font); //ȡ������Ŀ���
+int rtgui_font_get_font_height(rtgui_font_t* font);//ȡ������ĸ߶�
+void rtgui_font_get_string_rect(rtgui_font_t* font, const char* text, rtgui_rect_t* rect);//ȡ���ַ����ľ�������
+void rtgui_font_get_metrics(struct rtgui_font* font, const char* text, rtgui_rect_t* rect);
+
+#endif
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