197 lines
6.2 KiB
C
197 lines
6.2 KiB
C
/*
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* File : dc.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-10-16 Bernard first version
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*/
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#ifndef __RTGUI_DC_H__
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#define __RTGUI_DC_H__
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#include <rtgui/rtgui.h>
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#include <rtgui/font.h>
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#include <rtgui/driver.h>
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#include <rtgui/widgets/widget.h>
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enum rtgui_dc_type
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{
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RTGUI_DC_HW,
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RTGUI_DC_CLIENT,
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RTGUI_DC_BUFFER,
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};
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struct rtgui_dc_engine
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{
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/* interface */
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void (*draw_point)(struct rtgui_dc* dc, int x, int y);
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void (*draw_color_point)(struct rtgui_dc* dc, int x, int y, rtgui_color_t color);
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void (*draw_vline)(struct rtgui_dc* dc, int x, int y1, int y2);
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void (*draw_hline)(struct rtgui_dc* dc, int x1, int x2, int y);
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void (*fill_rect )(struct rtgui_dc* dc, rtgui_rect_t* rect);
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void (*blit_line) (struct rtgui_dc* dc, int x1, int x2, int y, rt_uint8_t* line_data);
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void (*blit )(struct rtgui_dc* dc, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect);
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/* set and get graphic context */
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void (*set_gc)(struct rtgui_dc* dc, struct rtgui_gc *gc);
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struct rtgui_gc* (*get_gc)(struct rtgui_dc* dc);
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/* get dc visible */
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rt_bool_t (*get_visible)(struct rtgui_dc* dc);
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/* get dc rect */
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void (*get_rect )(struct rtgui_dc* dc, rtgui_rect_t* rect);
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rt_bool_t (*fini )(struct rtgui_dc* dc);
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};
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/* the abstract device context */
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struct rtgui_dc
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{
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/* type of device context */
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rt_uint32_t type;
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/* dc engine */
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const struct rtgui_dc_engine* engine;
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};
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#define RTGUI_DC_FC(dc) (rtgui_dc_get_gc(dc)->foreground)
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#define RTGUI_DC_BC(dc) (rtgui_dc_get_gc(dc)->background)
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#define RTGUI_DC_FONT(dc) (rtgui_dc_get_gc(dc)->font)
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#define RTGUI_DC_TEXTALIGN(dc) (rtgui_dc_get_gc(dc)->textalign)
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/* create a buffer dc */
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struct rtgui_dc* rtgui_dc_buffer_create(int width, int height);
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rt_uint8_t* rtgui_dc_buffer_get_pixel(struct rtgui_dc* dc);
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/* begin and end a drawing */
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struct rtgui_dc* rtgui_dc_begin_drawing(rtgui_widget_t* owner);
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void rtgui_dc_end_drawing(struct rtgui_dc* dc);
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/* destroy a dc */
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void rtgui_dc_destory(struct rtgui_dc* dc);
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void rtgui_dc_draw_line (struct rtgui_dc* dc, int x1, int y1, int x2, int y2);
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void rtgui_dc_draw_rect (struct rtgui_dc* dc, struct rtgui_rect* rect);
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void rtgui_dc_fill_rect_forecolor(struct rtgui_dc* dc, struct rtgui_rect* rect);
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void rtgui_dc_draw_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect, int r);
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void rtgui_dc_fill_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect, int r);
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void rtgui_dc_draw_annulus(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r1, rt_int16_t r2, rt_int16_t start, rt_int16_t end);
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void rtgui_dc_draw_sector(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end);
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void rtgui_dc_fill_sector(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end);
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void rtgui_dc_draw_text (struct rtgui_dc* dc, const char* text, struct rtgui_rect* rect);
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void rtgui_dc_draw_mono_bmp(struct rtgui_dc* dc, int x, int y, int w, int h, const rt_uint8_t* data);
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void rtgui_dc_draw_byte(struct rtgui_dc*dc, int x, int y, int h, const rt_uint8_t* data);
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void rtgui_dc_draw_word(struct rtgui_dc*dc, int x, int y, int h, const rt_uint8_t* data);
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void rtgui_dc_draw_border(struct rtgui_dc* dc, rtgui_rect_t* rect, int flag);
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void rtgui_dc_draw_horizontal_line(struct rtgui_dc* dc, int x1, int x2, int y);
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void rtgui_dc_draw_vertical_line(struct rtgui_dc* dc, int x, int y1, int y2);
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void rtgui_dc_draw_focus_rect(struct rtgui_dc* dc, rtgui_rect_t* rect);
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void rtgui_dc_draw_polygon(struct rtgui_dc* dc, const int *vx, const int *vy, int count);
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void rtgui_dc_fill_polygon(struct rtgui_dc* dc, const int* vx, const int* vy, int count);
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void rtgui_dc_draw_circle(struct rtgui_dc* dc, int x, int y, int r);
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void rtgui_dc_fill_circle(struct rtgui_dc* dc, rt_int16_t x, rt_int16_t y, rt_int16_t r);
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void rtgui_dc_draw_arc(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end);
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void rtgui_dc_draw_ellipse(struct rtgui_dc* dc, rt_int16_t x, rt_int16_t y, rt_int16_t rx, rt_int16_t ry);
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void rtgui_dc_fill_ellipse(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t rx, rt_int16_t ry);
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/*
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* dc inline function
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*
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* Note:
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* In order to improve drawing speed, put most of common function of dc to inline
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*/
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/*
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* draw a point on dc
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*/
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rt_inline void rtgui_dc_draw_point(struct rtgui_dc* dc, int x, int y)
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{
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dc->engine->draw_point(dc, x, y);
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}
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/*
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* draw a color point on dc
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*/
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rt_inline void rtgui_dc_draw_color_point(struct rtgui_dc* dc, int x, int y, rtgui_color_t color)
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{
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dc->engine->draw_color_point(dc, x, y, color);
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}
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/*
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* draw a vertical line on dc
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*/
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rt_inline void rtgui_dc_draw_vline(struct rtgui_dc* dc, int x, int y1, int y2)
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{
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dc->engine->draw_vline(dc, x, y1, y2);
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}
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/*
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* draw a horizontal line on dc
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*/
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rt_inline void rtgui_dc_draw_hline(struct rtgui_dc* dc, int x1, int x2, int y)
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{
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dc->engine->draw_hline(dc, x1, x2, y);
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}
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/*
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* fill a rect with background color
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*/
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rt_inline void rtgui_dc_fill_rect (struct rtgui_dc* dc, struct rtgui_rect* rect)
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{
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dc->engine->fill_rect(dc, rect);
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}
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/*
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* blit a dc on hardware dc
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*/
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rt_inline void rtgui_dc_blit(struct rtgui_dc* dc, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect)
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{
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dc->engine->blit(dc, dc_point, dest, rect);
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}
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/*
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* set gc of dc
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*/
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rt_inline void rtgui_dc_set_gc(struct rtgui_dc* dc, rtgui_gc_t* gc)
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{
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dc->engine->set_gc(dc, gc);
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}
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/*
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* get gc of dc
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*/
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rt_inline rtgui_gc_t *rtgui_dc_get_gc(struct rtgui_dc* dc)
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{
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return dc->engine->get_gc(dc);
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}
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/*
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* get visible status of dc
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*/
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rt_inline rt_bool_t rtgui_dc_get_visible(struct rtgui_dc* dc)
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{
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return dc->engine->get_visible(dc);
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}
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/*
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* get rect of dc
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*/
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rt_inline void rtgui_dc_get_rect(struct rtgui_dc*dc, rtgui_rect_t* rect)
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{
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dc->engine->get_rect(dc, rect);
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}
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#endif
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