C++ rtgui_dc_draw_text函数代码示例

void rtgui_theme_draw_iconbox(rtgui_iconbox_t* iconbox)
{
	struct rtgui_dc* dc;
	struct rtgui_rect rect;

	/* begin drawing */
	dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(iconbox));
	if (dc == RT_NULL) return;

	/* get widget rect */
	rtgui_widget_get_rect(RTGUI_WIDGET(iconbox), &rect);

	/* draw icon */
	rtgui_image_blit(iconbox->image, dc, &rect);

	/* draw text */
	if (iconbox->text_position == RTGUI_ICONBOX_TEXT_BELOW && iconbox->text != RT_NULL)
	{
		rect.y1 = iconbox->image->h + RTGUI_WIDGET_DEFAULT_MARGIN;
		rtgui_dc_draw_text(dc, iconbox->text, &rect);
	}
	else if (iconbox->text_position == RTGUI_ICONBOX_TEXT_RIGHT && iconbox->text != RT_NULL)
	{
		rect.x1 = iconbox->image->w + RTGUI_WIDGET_DEFAULT_MARGIN;
		rtgui_dc_draw_text(dc, iconbox->text, &rect);
	}

	/* end drawing */
	rtgui_dc_end_drawing(dc);
}

void rtgui_textbox_ondraw(rtgui_textbox_t *box)
{
	/* draw button */
	rtgui_rect_t rect;
	struct rtgui_dc *dc;
	rtgui_color_t fc;

	RT_ASSERT(box != RT_NULL);

	/* begin drawing */
	dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
	if (dc == RT_NULL)
		return;

	/* get widget rect */
	rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
	fc = RTGUI_WIDGET_FOREGROUND(box);

	rtgui_rect_inflate(&rect, -1);

	/* fill widget rect with white color */
	RTGUI_WIDGET_BACKGROUND(box) = white;
	rtgui_dc_fill_rect(dc, &rect);

	rtgui_rect_inflate(&rect, 1);
	/* draw border */
	RTGUI_WIDGET_FOREGROUND(box) = RTGUI_RGB(123, 158, 189);
	rtgui_dc_draw_rect(dc, &rect);

	/* draw text */
	RTGUI_WIDGET_FOREGROUND(box) = fc;
	if (box->text != RT_NULL)
	{
		rect.x1 += RTGUI_WIDGET_DEFAULT_MARGIN;
		/* draw single text */
		if (box->flag & RTGUI_TEXTBOX_MASK)
		{
			/* draw mask char */
			rt_size_t len = rt_strlen(box->text);
			if (len > 0)
			{
				char *text_mask = rtgui_malloc(len + 1);
				rt_memset(text_mask, box->mask_char, len + 1);
				text_mask[len] = 0;
				rtgui_dc_draw_text(dc, text_mask+box->first_pos, &rect);
				rtgui_free(text_mask);
			}
		}
		else
		{
			rtgui_dc_draw_text(dc, box->text+box->first_pos, &rect);
		}
	}

	rtgui_dc_end_drawing(dc);
}

void tetris_refreshmap(struct rtgui_dc *dc)                               //刷新地图
{
    rt_uint8_t i, j;
    rt_uint8_t buf[5];
    rtgui_rect_t rect = {XOFFSET, YOFFSET, XOFFSET + 240, YOFFSET + 400};
    RTGUI_DC_FC(dc) = RTGUI_RGB(0x55, 0x55, 0x55);
    rtgui_dc_fill_rect_forecolor(dc, &rect);
    rect.x1 -= 10;
    rect.x2 += 150;
    rect.y1 -= 10;
    rect.y2 += 10;
    RTGUI_DC_FC(dc) = RTGUI_RGB(0x00, 0x00, 0xff);
    rtgui_dc_draw_rect(dc, &rect);
    rect.x1 += 290;
    rect.x2 -= 30;
    rect.y1 += 40;
    rect.y2 -= 360;
    RTGUI_DC_FC(dc) = RTGUI_RGB(0x00, 0x00, 0x00);
    rtgui_dc_draw_text(dc, "下一个", &rect);
    rect.y1 += 130;
    rect.y2 += 130;
    rtgui_dc_draw_text(dc, "总得分", &rect);
    rect.y1 += 80;
    rect.y2 += 80;
    rtgui_dc_draw_text(dc, "LEVEL", &rect);
    RTGUI_DC_FC(dc) = RTGUI_RGB(0xff, 0x00, 0x00);
    rect.x1 += 20;
    rect.x2 += 20;
    rect.y1 -= 60;
    rect.y2 -= 60;
    rt_sprintf(buf, "%d", score);
    rtgui_dc_fill_rect(dc, &rect);
    rtgui_dc_draw_text(dc, buf, &rect);
    rect.y1 += 80;
    rect.y2 += 80;
    rt_sprintf(buf, "%d", level);
    rtgui_dc_fill_rect(dc, &rect);
    rtgui_dc_draw_text(dc, buf, &rect);


    for (i = 0; i < 25; i++)
    {
        for (j = 0; j < 15; j++)
        {
            if (tetris_map[j][i] != 0)
            {
                tetris_drawbox(dc, j, i, tetris_colors[tetris_map[j][i]]);
            }
        }
    }
}

static void _rtgui_menu_item_ondraw(struct rtgui_listctrl *list,
									struct rtgui_dc* dc,
									rtgui_rect_t* rect,
									rt_uint16_t index)
{
	rtgui_rect_t item_rect;
	struct rtgui_menu_item* item;

	item_rect = *rect;
	item_rect.x1 += 5;

	/* re-fill item */
	if (list->current_item == index)
	{
		rtgui_color_t bc;

		bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(list));
		RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(list)) = blue;
		rtgui_dc_fill_rect(dc, rect);
		RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(list)) = bc;
	}

	/* get menu item */
	item = (rtgui_menu_item_t*)list->items;
	item = &item[index];

	if (item->type == RTGUI_ITEM_SUBMENU)
	{
		rtgui_rect_t r = {0, 0, 8, 8};
		rtgui_dc_draw_text(dc, item->label, &item_rect);
		item_rect.x1 = item_rect.x2 - 16; item_rect.x2 -= 8;
		rtgui_rect_moveto_align(&item_rect, &r, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
		rtgui_dc_draw_byte(dc, r.x1, r.y1, 8, right_arrow);
	}
	else if (item->type == RTGUI_ITEM_SEPARATOR)
	{
		rtgui_dc_draw_horizontal_line(dc, item_rect.x1, item_rect.x2, (item_rect.y2 + item_rect.y1)/2);
	}
	else if (item->type == RTGUI_ITEM_CHECK)
	{
		/* not support right now */
	}
	else
	{
		/* normal menu item */	
		rtgui_dc_draw_text(dc, item->label, &item_rect);
		if (item->image != RT_NULL)
			rtgui_image_blit(item->image, dc, &item_rect);
	}
}

void _draw_default(struct rtgui_object *object, rtgui_event_t* event)
{
	struct rtgui_widget *widget = RTGUI_WIDGET(object);
	struct rtgui_dc* dc;
	rtgui_rect_t rect;

	/* 因为用的是demo container，上面本身有一部分控件，所以在绘图时先要让demo container先绘图 */
	rtgui_container_event_handler(object, event);

	/* 获得控件所属的DC */
	dc = rtgui_dc_begin_drawing(widget);
	if (dc == RT_NULL) /* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
		return;

	/* 获得demo container允许绘图的区域 */
	demo_view_get_logic_rect(RTGUI_CONTAINER(widget), &rect);

	/* 擦除所有 */
	RTGUI_WIDGET_BACKGROUND(widget) = default_background;
	rtgui_dc_fill_rect(dc, &rect);

	/* 显示提示 */
	rtgui_dc_draw_text(dc, "按任意键开始/停止测试...", &rect);

	/* 绘图完成 */
	rtgui_dc_end_drawing(dc);
}

void _draw_default(PVOID wdt, rtgui_event_t* event)
{
	struct rtgui_dc* dc;
	rtgui_widget_t* widget = (rtgui_widget_t*)wdt;
	rtgui_rect_t rect;

	/* 因为用的是demo view，上面本身有一部分控件，所以在绘图时先要让demo view先绘图 */
	rtgui_view_event_handler(widget, event);

	/* 获得控件所属的DC */
	dc = rtgui_dc_begin_drawing(widget);
	if (dc == RT_NULL) /* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
		return ;

	/* 获得demo view允许绘图的区域 */
	rtgui_widget_get_rect(widget, &rect);
	rtgui_rect_inflate(&rect, -5);
	rect.y1 += 35;

	/* 擦除所有 */
	RTGUI_WIDGET_BACKGROUND(widget) = default_background;
	rtgui_dc_fill_rect(dc, &rect);

	/* 显示提示 */
	rtgui_dc_draw_text(dc, "按鼠标键开始/停止测试...", &rect);

	/* 绘图完成 */
	rtgui_dc_end_drawing(dc);
}

static void _draw_textview(rtgui_textview_t *textview)
{
	struct rtgui_dc* dc;
	struct rtgui_rect rect, font_rect;
	char* line;
	rt_ubase_t line_index, item_height;

	rtgui_font_get_metrics(RTGUI_WIDGET_FONT(RTGUI_WIDGET(textview)), "W", &font_rect);
	item_height = rtgui_rect_height(font_rect) + 3;

	dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(textview));
	if (dc == RT_NULL) return ;

	/* fill rect */
	rtgui_widget_get_rect(RTGUI_WIDGET(textview), &rect);
	rtgui_dc_fill_rect(dc, &rect);

	rect.x1 += 3;
	rect.x2 -= 3;

	for (line_index = textview->line_current; 
		(line_index < textview->line_current + textview->line_page_count) &&
		(line_index < textview->line_count); 
		line_index ++)
	{
		line = (char* )_get_line_text(textview, line_index);
		rtgui_dc_draw_text(dc, line, &rect);

		rect.y1 += item_height;
	}

	rtgui_dc_end_drawing(dc);
}

rtgui_view_t *demo_view_buffer_animation(rtgui_workbench_t* workbench)
{
	rtgui_view_t *view;

	view = demo_view(workbench, "DC 缓冲区动画");
	if (view != RT_NULL)
		rtgui_widget_set_event_handler(RTGUI_WIDGET(view), animation_event_handler);

	rtgui_font_get_metrics(RTGUI_WIDGET_FONT(RTGUI_WIDGET(view)), "缓冲动画", &text_rect);
	if (dc_buffer == RT_NULL)
	{
		rtgui_rect_t rect;

		rect.x1 = 0; rect.x2 = rtgui_rect_width(text_rect) + 2;
		rect.y1 = 0; rect.y2 = rtgui_rect_height(text_rect) + 2;

		/* 创建 DC Buffer，长 50，宽 50 */
		dc_buffer = rtgui_dc_buffer_create(rtgui_rect_width(rect), rtgui_rect_height(rect));
		RTGUI_DC_FC(dc_buffer) = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(view));
		rtgui_dc_fill_rect(dc_buffer, &rect);
		RTGUI_DC_FC(dc_buffer) = black;
		rect.x1 = 1; rect.y1 = 1;
		rtgui_dc_draw_text(dc_buffer, "缓冲动画", &rect);
	}

	/* 启动定时器以触发动画 */
	timer = rtgui_timer_create(1, RT_TIMER_FLAG_PERIODIC, timeout, (void*)view);
	rtgui_timer_start(timer);

	return view;
}

static rt_bool_t view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
	if (event->type == RTGUI_EVENT_PAINT)
	{
		struct rtgui_dc* dc;
		struct rtgui_rect rect;

		dc = rtgui_dc_begin_drawing(widget);
		if (dc == RT_NULL) return RT_FALSE;
		rtgui_widget_get_rect(widget, &rect);

		rtgui_dc_fill_rect(dc, &rect);

		if (background != RT_NULL)
            rtgui_image_blit(background, dc, &rect);

		rtgui_dc_draw_text(dc, "Radio Today", &rect);

		rtgui_dc_end_drawing(dc);

		return RT_FALSE;
	}

	return rtgui_view_event_handler(widget, event);
}

void _rtgui_listctrl_item_draw(struct rtgui_listctrl *list,
                               struct rtgui_dc *dc,
                               rtgui_rect_t *rect,
                               rt_uint16_t index)
{
    char age_str[8];
    rtgui_rect_t item_rect;
    struct list_item *items, *item;

    item_rect = *rect;
    item_rect.x1 += 5;
    items = (struct list_item *)list->items;
    item = &items[index];

    /* draw text */
    rtgui_dc_draw_text(dc, item->name, &item_rect);
    item_rect.x1 += 60;
    rtgui_dc_draw_vline(dc, item_rect.x1, item_rect.y1, item_rect.y2);

    item_rect.x1 += 5;
    rtgui_dc_draw_text(dc, item->gender, &item_rect);
    item_rect.x1 += 60;
    rtgui_dc_draw_vline(dc, item_rect.x1, item_rect.y1, item_rect.y2);

    item_rect.x1 += 5;
    rt_snprintf(age_str, sizeof(age_str), "%d", item->age);
    rtgui_dc_draw_text(dc, age_str, &item_rect);
    item_rect.x1 += 40;
    rtgui_dc_draw_vline(dc, item_rect.x1, item_rect.y1, item_rect.y2);

    item_rect.x1 += 5;

    /* draw image */
    if (item->image != RT_NULL)
    {
        rtgui_rect_t image_rect;

        image_rect.x1 = 0;
        image_rect.y1 = 0;
        image_rect.x2 = item->image->w;
        image_rect.y2 = item->image->h;
        rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
        rtgui_image_blit(item->image, dc, &image_rect);
    }
}

void rtgui_listbox_ondraw(struct rtgui_listbox* box)
{
	struct rtgui_rect rect, item_rect;
	struct rtgui_dc* dc;
	rt_uint16_t page_index, index;
	const struct rtgui_listbox_item* item;

	dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
	if (dc == RT_NULL) return;

	rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
	rtgui_dc_fill_rect(dc, &rect);

	rect.x2 -= 1; rect.y2 -= 1;
	/* draw focused border */
	if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(box)))
		rtgui_dc_draw_focus_rect(dc, &rect);

	/* get item base rect */
	item_rect = rect;
	item_rect.x1 += 1; item_rect.x2 -= 1;
	item_rect.y1 += 2;
	item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());

	/* get current page */
	page_index = (box->current_item / box->page_items) * box->page_items;
	for (index = 0; index < box->page_items; index ++)
	{
		if (page_index + index >= box->items_count) break;

		item = &(box->items[page_index + index]);

		if (page_index + index == box->current_item)
		{
			rtgui_theme_draw_selected(dc, &item_rect);
		}
		item_rect.x1 += LIST_MARGIN;

		if (item->image != RT_NULL)
		{
			rtgui_image_blit(item->image, dc, &item_rect);
			item_rect.x1 += item->image->w + 2;
		}
        /* draw text */
		rtgui_dc_draw_text(dc, item->name, &item_rect);

        if (item->image != RT_NULL)
            item_rect.x1 -= (item->image->w + 2);
		item_rect.x1 -= LIST_MARGIN;

        /* move to next item position */
		item_rect.y1 += (rtgui_theme_get_selected_height() + 2);
		item_rect.y2 += (rtgui_theme_get_selected_height() + 2);
	}
	rtgui_dc_end_drawing(dc);
}

static void rtgui_list_view_onicondraw(struct rtgui_list_view *view, struct rtgui_dc *dc)
{
    struct rtgui_rect rect, item_rect, drawing_rect;
    rt_ubase_t c, r, item_index; /* col and row index */
    rt_ubase_t item_width, item_height;
    rtgui_image_t *image;

    if (view->items_count == 0) return;

    rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
    item_index = (view->current_item / view->page_items) * view->page_items;

    item_width = (rtgui_rect_width(rect) - 2 * LIST_MARGIN) / view->col_items;
    item_height = (rtgui_rect_height(rect) - 4) / view->row_items;
    image = view->items[0].image;

    for (r = 0; r < view->row_items; r ++)
    {
        for (c = 0; c < view->col_items; c ++)
        {
            if (item_index < view->items_count)
            {
                item_rect.y1 = rect.y1 + LIST_MARGIN + r * item_height;
                item_rect.x1 = rect.x1 + LIST_MARGIN + c * item_width;
                item_rect.x2 = item_rect.x1 + item_width;
                item_rect.y2 = item_rect.y1 + item_height;

                if (item_index == view->current_item)
                {
                    rtgui_theme_draw_selected(dc, &item_rect);
                }

                drawing_rect.x1 = drawing_rect.y1 = 0;
                drawing_rect.x2 = image->w;
                drawing_rect.y2 = image->h;
                rtgui_rect_moveto_align(&item_rect, &drawing_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
                drawing_rect.y1 += 5;
                drawing_rect.y2 += 5;
                rtgui_image_blit(view->items[item_index].image, dc, &drawing_rect);

                item_rect.y1 = drawing_rect.y2 + LIST_MARGIN;
                item_rect.x1 += 3;
                item_rect.x2 -= 3;
                rtgui_font_get_metrics(RTGUI_WIDGET_FONT(view), view->items[item_index].name,
                                       &drawing_rect);
                rtgui_rect_moveto_align(&item_rect, &drawing_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
                rtgui_dc_draw_text(dc, view->items[item_index].name, &drawing_rect);

                item_index ++;
            }
            else break;
        }
    }
}

static void rtgui_list_view_onlistdraw(struct rtgui_list_view *view, struct rtgui_dc *dc)
{
    rt_ubase_t index, page_index;
    rtgui_rect_t rect, item_rect, image_rect;
    const struct rtgui_list_item *item;

    rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);

    /* get item base rect */
    item_rect = rect;
    item_rect.y1 += 2;
    item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());

    /* get current page */
    page_index = (view->current_item / view->page_items) * view->page_items;
    for (index = 0; index < view->page_items; index ++)
    {
        if (page_index + index >= view->items_count) break;

        item = &(view->items[page_index + index]);

        if (page_index + index == view->current_item)
        {
            rtgui_theme_draw_selected(dc, &item_rect);
        }
        item_rect.x1 += LIST_MARGIN;

        if (item->image != RT_NULL)
        {
            /* blit on center */
            image_rect.x1 = 0;
            image_rect.y1 = 0;
            image_rect.x2 = item->image->w;
            image_rect.y2 = item->image->h;

            rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
            rtgui_image_blit(item->image, dc, &image_rect);
            item_rect.x1 += item->image->w + 2;
        }
        /* draw text */
        rtgui_dc_draw_text(dc, item->name, &item_rect);

        if (item->image != RT_NULL)
            item_rect.x1 -= (item->image->w + 2);
        item_rect.x1 -= LIST_MARGIN;

        /* move to next item position */
        item_rect.y1 += (rtgui_theme_get_selected_height() + 2);
        item_rect.y2 += (rtgui_theme_get_selected_height() + 2);
    }
}

static int draw_form_head(struct rtgui_form *form, const struct rtgui_font *font,
						  struct rtgui_dc* dc, struct rtgui_rect *rect, struct rtgui_rect *row_rect, char *buf)
{
	struct rtgui_rect form_rect;
	char *pch1;
	const char *pch2;
	int i, j, len;
#if 0
	form_debug(("func:%s, (%d,%d), (%d,%d),bytes:%d, h:%d, r:%d\n", __FUNCTION__,
				rect->x1, rect->y1, rect->x2, rect->y2, form->bytes_of_row, font->height, form->row_cnt_of_fbody));
#endif
	form_rect.x1 = 0;
	form_rect.y1 = 0;
	form_rect.x2 = (form->bytes_of_row + GAG_BETWEEN_COL*form->head_item_cnt) * 8;
	form_rect.y2 = (font->height + GAG_BETWEEN_ROW) * (form->row_cnt_of_fbody + 1);
	rtgui_rect_moveto_align(rect, &form_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
	form_rect.y1 += GAG_BEFORE_FORM_HEAD;
	form_rect.y2 += GAG_BEFORE_FORM_HEAD;

	if (0xffff == form->form_rect.x1) {
		form->form_rect = form_rect;
	}

	j = form->head_item_cnt;
	pch1 = buf;
	for (i=0; i<j; ++i) {
		pch2 = form->head_name[i];
		while ('\0' != *pch2)
			*pch1++ = *pch2++;

		/* 用空格填充列间隔 */
		len = GAG_BETWEEN_COL;
		while (len--)
			*pch1++ = ' ';
	}
	*--pch1 = '\0';

	row_rect->x1 = form_rect.x1;
	row_rect->y1 = form_rect.y1;
	row_rect->x2 = form_rect.x2;
	row_rect->y2 = form_rect.y1 + font->height;
#if 0
	form_debug(("func:%s, (%d,%d), (%d,%d),hic:%d, len:%d, buf:%s\n", __FUNCTION__,
				row_rect->x1, row_rect->y1, row_rect->x2,row_rect->y2,j,pch1 -buf, buf));
#endif
	rtgui_dc_draw_text(dc, buf, row_rect);
	rtgui_dc_draw_horizontal_line(dc, row_rect->x1, row_rect->x2, row_rect->y2+1);

	return SUCC;
}

static void rtgui_combobox_ondraw(struct rtgui_combobox* box)
{
    /* draw button */
    rtgui_color_t bc;
    struct rtgui_dc* dc;
    struct rtgui_rect rect, r;

    /* begin drawing */
    dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
    if (dc == RT_NULL) return;

    bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box));

    /* get widget rect */
    rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
    RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = white;

    /* fill widget rect with background color */
    rtgui_dc_fill_rect(dc, &rect);
    rtgui_dc_draw_rect(dc, &rect);

    /* draw current item */
    if (box->current_item < box->items_count)
    {
        rect.x1 += 5;
        rtgui_dc_draw_text(dc, box->items[box->current_item].name, &rect);
    }

    /* restore background color */
    RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = bc;

    /* draw pull down button */
    rect.x1 = rect.x2 - RTGUI_COMBOBOX_BUTTON_WIDTH;
    rtgui_rect_inflate(&rect, -1);
    rtgui_dc_fill_rect(dc, &rect);
    if (box->pd_pressed == RT_TRUE) rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
    else rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_RAISE);

    r.x1 = 0;
    r.y1 = 0;
    r.x2 = 8;
    r.y2 = 4;
    rtgui_rect_moveto_align(&rect, &r, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
    rtgui_dc_draw_byte(dc, r.x1, r.y1, 4, down_arrow);

    /* end drawing */
    rtgui_dc_end_drawing(dc);
    return;
}