From 385f682d7bfce81ba281faaffb0a250ab94985b8 Mon Sep 17 00:00:00 2001 From: Bernard Xiong Date: Thu, 21 Feb 2013 13:11:10 +0800 Subject: remove RT-Thread GUI from RT-Thread temporary --- components/rtgui/common/dc_buffer.c | 345 ------------------------------------ 1 file changed, 345 deletions(-) delete mode 100644 components/rtgui/common/dc_buffer.c (limited to 'components/rtgui/common/dc_buffer.c') diff --git a/components/rtgui/common/dc_buffer.c b/components/rtgui/common/dc_buffer.c deleted file mode 100644 index 8ccfffd409..0000000000 --- a/components/rtgui/common/dc_buffer.c +++ /dev/null @@ -1,345 +0,0 @@ -/* - * File : dc_buffer.c - * 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 - */ -#include -#include -#include -#include -#include -#include - -#define hw_driver (rtgui_graphic_driver_get_default()) - -#define RTGUI_BLENDMODE_NONE 0x00 -#define RTGUI_BLENDMODE_BLEND 0x01 -#define RTGUI_BLENDMODE_ADD 0x02 -#define RTGUI_BLENDMODE_MOD 0x03 - -struct rtgui_dc_buffer -{ - struct rtgui_dc parent; - - /* graphic context */ - rtgui_gc_t gc; - - /* pixel format */ - rt_uint8_t pixel_format; - rt_uint8_t blend_mode; - - /* width and height */ - rt_uint16_t width, height; - rt_uint16_t pitch; - - /* blit info */ - rtgui_region_t clip; - - /* pixel data */ - rt_uint8_t *pixel; -}; - -static rt_bool_t rtgui_dc_buffer_fini(struct rtgui_dc *dc); -static void rtgui_dc_buffer_draw_point(struct rtgui_dc *dc, int x, int y); -static void rtgui_dc_buffer_draw_color_point(struct rtgui_dc *dc, int x, int y, rtgui_color_t color); -static void rtgui_dc_buffer_draw_vline(struct rtgui_dc *dc, int x, int y1, int y2); -static void rtgui_dc_buffer_draw_hline(struct rtgui_dc *dc, int x1, int x2, int y); -static void rtgui_dc_buffer_fill_rect(struct rtgui_dc *dc, struct rtgui_rect *rect); -static void rtgui_dc_buffer_blit_line(struct rtgui_dc *self, int x1, int x2, int y, rt_uint8_t *line_data); -static void rtgui_dc_buffer_blit(struct rtgui_dc *self, struct rtgui_point *dc_point, - struct rtgui_dc *dest, rtgui_rect_t *rect); - -static void rtgui_dc_buffer_set_gc(struct rtgui_dc *dc, rtgui_gc_t *gc); -static rtgui_gc_t *rtgui_dc_buffer_get_gc(struct rtgui_dc *dc); - -static rt_bool_t rtgui_dc_buffer_get_visible(struct rtgui_dc *dc); -static void rtgui_dc_buffer_get_rect(struct rtgui_dc *dc, rtgui_rect_t *rect); - -const static struct rtgui_dc_engine dc_buffer_engine = -{ - rtgui_dc_buffer_draw_point, - rtgui_dc_buffer_draw_color_point, - rtgui_dc_buffer_draw_vline, - rtgui_dc_buffer_draw_hline, - rtgui_dc_buffer_fill_rect, - rtgui_dc_buffer_blit_line, - rtgui_dc_buffer_blit, - - rtgui_dc_buffer_set_gc, - rtgui_dc_buffer_get_gc, - - rtgui_dc_buffer_get_visible, - rtgui_dc_buffer_get_rect, - - rtgui_dc_buffer_fini, -}; - -struct rtgui_dc *rtgui_dc_buffer_create(int w, int h) -{ - struct rtgui_dc_buffer *dc; - - dc = (struct rtgui_dc_buffer *)rtgui_malloc(sizeof(struct rtgui_dc_buffer)); - dc->parent.type = RTGUI_DC_BUFFER; - dc->parent.engine = &dc_buffer_engine; - dc->gc.foreground = default_foreground; - dc->gc.background = default_background; - dc->gc.font = rtgui_font_default(); - dc->gc.textalign = RTGUI_ALIGN_LEFT | RTGUI_ALIGN_TOP; - - dc->width = w; - dc->height = h; - dc->pitch = w *sizeof(rtgui_color_t); - - rtgui_region_init(&(dc->clip)); - - dc->pixel = rtgui_malloc(h * dc->pitch); - rt_memset(dc->pixel, 0, h * dc->pitch); - - return &(dc->parent); -} - -rt_uint8_t *rtgui_dc_buffer_get_pixel(struct rtgui_dc *dc) -{ - struct rtgui_dc_buffer *dc_buffer; - - dc_buffer = (struct rtgui_dc_buffer *)dc; - - return dc_buffer->pixel; -} - -static rt_bool_t rtgui_dc_buffer_fini(struct rtgui_dc *dc) -{ - struct rtgui_dc_buffer *buffer = (struct rtgui_dc_buffer *)dc; - - if (dc->type != RTGUI_DC_BUFFER) return RT_FALSE; - - rtgui_free(buffer->pixel); - buffer->pixel = RT_NULL; - - return RT_TRUE; -} - -static void rtgui_dc_buffer_draw_point(struct rtgui_dc *self, int x, int y) -{ - rtgui_color_t *ptr; - struct rtgui_dc_buffer *dc; - - dc = (struct rtgui_dc_buffer *)self; - - /* does not draw point out of dc */ - if ((x > dc->width) || (y > dc->height)) return ; - - /* note: there is no parameter check in this function */ - ptr = (rtgui_color_t *)(dc->pixel + y * dc->pitch + x * sizeof(rtgui_color_t)); - - *ptr = dc->gc.foreground; -} - -static void rtgui_dc_buffer_draw_color_point(struct rtgui_dc *self, int x, int y, rtgui_color_t color) -{ - rtgui_color_t *ptr; - struct rtgui_dc_buffer *dc; - - dc = (struct rtgui_dc_buffer *)self; - - /* note: there is no parameter check in this function */ - ptr = (rtgui_color_t *)(dc->pixel + y * dc->pitch + x * sizeof(rtgui_color_t)); - - *ptr = color; -} - -static void rtgui_dc_buffer_draw_vline(struct rtgui_dc *self, int x, int y1, int y2) -{ - rtgui_color_t *ptr; - register rt_base_t index; - struct rtgui_dc_buffer *dc; - - dc = (struct rtgui_dc_buffer *)self; - - if (x >= dc->width) return; - if (y1 > dc->height) y1 = dc->height; - if (y2 > dc->height) y2 = dc->height; - - ptr = (rtgui_color_t *)(dc->pixel + y1 * dc->pitch + x * sizeof(rtgui_color_t)); - for (index = y1; index < y2; index ++) - { - /* draw this point */ - *ptr = dc->gc.foreground; - ptr += dc->width; - } -} - -static void rtgui_dc_buffer_draw_hline(struct rtgui_dc *self, int x1, int x2, int y) -{ - rtgui_color_t *ptr; - register rt_base_t index; - struct rtgui_dc_buffer *dc; - - dc = (struct rtgui_dc_buffer *)self; - if (y >= dc->height) return; - if (x1 > dc->width) x1 = dc->width; - if (x2 > dc->width) x2 = dc->width; - - ptr = (rtgui_color_t *)(dc->pixel + y * dc->pitch + x1 * sizeof(rtgui_color_t)); - for (index = x1; index < x2; index ++) - { - /* draw this point */ - *ptr++ = dc->gc.foreground; - } -} - -static void rtgui_dc_buffer_fill_rect(struct rtgui_dc *self, struct rtgui_rect *rect) -{ - rtgui_color_t foreground; - rtgui_rect_t r; - struct rtgui_dc_buffer *dc; - - r = *rect; - dc = (struct rtgui_dc_buffer *)self; - if (r.x1 > dc->width) r.x1 = dc->width; - if (r.x2 > dc->width) r.x2 = dc->width; - if (r.y1 > dc->height) r.y1 = dc->height; - if (r.y2 > dc->height) r.y2 = dc->height; - - /* save foreground color */ - foreground = RTGUI_DC_FC(self); - - /* set background color as foreground color */ - RTGUI_DC_FC(self) = RTGUI_DC_BC(self); - - /* fill first line */ - rtgui_dc_buffer_draw_hline(&(dc->parent), r.x1, r.x2, r.y1); - - /* memory copy other lines */ - if (r.y2 > r.y1) - { - register rt_base_t index; - for (index = r.y1 + 1; index < r.y2; index ++) - { - rt_memcpy(dc->pixel + index * dc->pitch, - dc->pixel + r.y1 * dc->pitch, - (r.x2 - r.x1) * sizeof(rtgui_color_t)); - } - } - - /* restore foreground color */ - RTGUI_DC_FC(self) = foreground; -} - -/* blit a dc to a hardware dc */ -static void rtgui_dc_buffer_blit(struct rtgui_dc *self, struct rtgui_point *dc_point, struct rtgui_dc *dest, rtgui_rect_t *rect) -{ - struct rtgui_dc_buffer *dc = (struct rtgui_dc_buffer *)self; - - if (dc_point == RT_NULL) dc_point = &rtgui_empty_point; - if (rtgui_dc_get_visible(dest) == RT_FALSE) return; - - if ((dest->type == RTGUI_DC_HW) || (dest->type == RTGUI_DC_CLIENT)) - { - rt_uint8_t *line_ptr, *pixels; - rt_uint16_t rect_width, rect_height, index, pitch; - rtgui_blit_line_func blit_line; - - /* calculate correct width and height */ - if (rtgui_rect_width(*rect) > (dc->width - dc_point->x)) - rect_width = dc->width - dc_point->x; - else - rect_width = rtgui_rect_width(*rect); - - if (rtgui_rect_height(*rect) > (dc->height - dc_point->y)) - rect_height = dc->height - dc_point->y; - else - rect_height = rtgui_rect_height(*rect); - - /* prepare pixel line */ - pixels = dc->pixel + dc_point->y * dc->pitch + dc_point->x * sizeof(rtgui_color_t); - - if (hw_driver->bits_per_pixel == sizeof(rtgui_color_t) * 8) - { - /* it's the same byte per pixel, draw it directly */ - for (index = rect->y1; index < rect->y1 + rect_height; index++) - { - dest->engine->blit_line(dest, rect->x1, rect->x1 + rect_width, index, pixels); - pixels += dc->width * sizeof(rtgui_color_t); - } - } - else - { - /* get blit line function */ - blit_line = rtgui_blit_line_get(hw_driver->bits_per_pixel / 8, 4); - /* calculate pitch */ - pitch = rect_width * sizeof(rtgui_color_t); - /* create line buffer */ - line_ptr = (rt_uint8_t *) rtgui_malloc(rect_width * hw_driver->bits_per_pixel / 8); - - /* draw each line */ - for (index = rect->y1; index < rect->y1 + rect_height; index ++) - { - /* blit on line buffer */ - blit_line(line_ptr, (rt_uint8_t *)pixels, pitch); - pixels += dc->width * sizeof(rtgui_color_t); - - /* draw on hardware dc */ - dest->engine->blit_line(dest, rect->x1, rect->x1 + rect_width, index, line_ptr); - } - - /* release line buffer */ - rtgui_free(line_ptr); - } - } -} - -static void rtgui_dc_buffer_blit_line(struct rtgui_dc *self, int x1, int x2, int y, rt_uint8_t *line_data) -{ - rtgui_color_t *color_ptr; - struct rtgui_dc_buffer *dc = (struct rtgui_dc_buffer *)self; - - RT_ASSERT(dc != RT_NULL); - RT_ASSERT(line_data != RT_NULL); - - /* out of range */ - if ((x1 > dc->width) || (y > dc->height)) return; - /* check range */ - if (x2 > dc->width) x2 = dc->width; - - color_ptr = (rtgui_color_t *)(dc->pixel + y * dc->pitch + x1 * sizeof(rtgui_color_t)); - rt_memcpy(color_ptr, line_data, (x2 - x1) * sizeof(rtgui_color_t)); -} - -static void rtgui_dc_buffer_set_gc(struct rtgui_dc *self, rtgui_gc_t *gc) -{ - struct rtgui_dc_buffer *dc = (struct rtgui_dc_buffer *)self; - - dc->gc = *gc; -} - -static rtgui_gc_t *rtgui_dc_buffer_get_gc(struct rtgui_dc *self) -{ - struct rtgui_dc_buffer *dc = (struct rtgui_dc_buffer *)self; - - return &dc->gc; -} - -static rt_bool_t rtgui_dc_buffer_get_visible(struct rtgui_dc *dc) -{ - return RT_TRUE; -} - -static void rtgui_dc_buffer_get_rect(struct rtgui_dc *self, rtgui_rect_t *rect) -{ - struct rtgui_dc_buffer *dc = (struct rtgui_dc_buffer *)self; - - rect->x1 = rect->y1 = 0; - - rect->x2 = dc->width; - rect->y2 = dc->height; -} - -- cgit v1.3.1