void rtgui_combo_draw_downarrow(rtgui_combo_t *cbo)
{
rtgui_rect_t rect;
rtgui_dc_t* dc;
RT_ASSERT(cbo != RT_NULL);
/* begin drawing */
dc = rtgui_dc_begin_drawing(cbo);
if(dc == RT_NULL)return;
rtgui_widget_get_rect(cbo, &rect);
rect.x1 = rect.x2-RTGUI_COMBO_BUTTON_WIDTH-RTGUI_WIDGET_BORDER_SIZE(cbo);
rect.y1 += RTGUI_WIDGET_BORDER_SIZE(cbo);
rect.x2 -= RTGUI_WIDGET_BORDER_SIZE(cbo);
rect.y2 -= RTGUI_WIDGET_BORDER_SIZE(cbo);
RTGUI_DC_BC(dc) = theme.background;
rtgui_dc_fill_rect(dc, &rect);
if(cbo->style & RTGUI_COMBO_STYLE_DOWNARROW_UP)
{
rtgui_dc_draw_border(dc, &rect,RTGUI_WIDGET_BORDER_STYLE(cbo));
rtgui_dc_draw_byte(dc,rect.x1+4, rect.y1+8, 4, combo_down_bmp);
}
else if(cbo->style & RTGUI_COMBO_STYLE_DOWNARROW_DOWN)
{
rtgui_dc_draw_border(dc, &rect,RTGUI_WIDGET_BORDER_STYLE(cbo));
rtgui_dc_draw_byte(dc,rect.x1+5, rect.y1+9, 4, combo_down_bmp);
}
rtgui_dc_end_drawing(dc);
}
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;
}
void rtgui_combo_ondraw(rtgui_combo_t *cbo)
{
rtgui_rect_t rect;
rtgui_dc_t* dc;
RT_ASSERT(cbo != RT_NULL);
/* begin drawing */
dc = rtgui_dc_begin_drawing(cbo);
if(dc == RT_NULL)return;
rtgui_widget_get_rect(cbo, &rect);
rtgui_rect_inflate(&rect,-RTGUI_WIDGET_BORDER_SIZE(cbo));
if(RTGUI_WIDGET_IS_ENABLE(cbo))
RTGUI_DC_BC(dc) = theme.blankspace;
else
RTGUI_DC_BC(dc) = theme.background;
rtgui_dc_fill_rect(dc, &rect);
rtgui_rect_inflate(&rect,RTGUI_WIDGET_BORDER_SIZE(cbo));
rtgui_dc_draw_border(dc, &rect,RTGUI_WIDGET_BORDER_STYLE(cbo));
if(RC_H(rect)<RTGUI_COMBO_HEIGHT)return;
/* draw downarrow button */
rect.x1 = rect.x2-RTGUI_COMBO_BUTTON_WIDTH;
RTGUI_DC_BC(dc) = theme.background;
rtgui_dc_fill_rect(dc, &rect);
if(cbo->style & RTGUI_COMBO_STYLE_DOWNARROW_UP)
{
rtgui_dc_draw_border(dc, &rect, theme.style);
rtgui_dc_draw_byte(dc,rect.x1+(rect.x2-rect.x1-7)/2, rect.y1+(rect.y2-rect.y1-4)/2, 4, combo_down_bmp);
}
else if(cbo->style & RTGUI_COMBO_STYLE_DOWNARROW_DOWN)
{
rtgui_dc_draw_border(dc, &rect, theme.style);
rtgui_dc_draw_byte(dc,rect.x1+(rect.x2-rect.x1-7)/2+1, rect.y1+(rect.y2-rect.y1-4)/2+1, 4, combo_down_bmp);
}
if(cbo->tbox != RT_NULL)
{
RTGUI_DC_FC(dc) = theme.foreground;
rtgui_textbox_ondraw(cbo->tbox);
}
rtgui_dc_end_drawing(dc);
}
static void rtgui_terminal_ondraw(rtgui_terminal_t *tma)
{
rtgui_dc_t* dc;
rtgui_rect_t rect;
char* str;
rt_ubase_t i, item_height;
item_height = FONT_H(RTGUI_WIDGET_FONT(tma));
dc = rtgui_dc_begin_drawing(tma);
if(dc == RT_NULL) return ;
/* get widget rect */
rtgui_widget_get_rect(tma, &rect);
rtgui_rect_inflate(&rect,-RTGUI_WIDGET_BORDER_SIZE(tma));
rtgui_dc_fill_rect(dc,&rect);
rtgui_rect_inflate(&rect,RTGUI_WIDGET_BORDER_SIZE(tma));
/* draw border */
rtgui_dc_draw_border(dc,&rect,RTGUI_WIDGET_BORDER_STYLE(tma));
rect.x1 += RTGUI_MARGIN+RTGUI_WIDGET_BORDER_SIZE(tma);
rect.x2 -= RTGUI_MARGIN;
rect.y1 += RTGUI_MARGIN;
rect.y2 = rect.y1+item_height;
for(i = tma->now_item;
(i < tma->now_item + tma->item_per_page) &&
(i < tma->item_count); i++)
{
str = (char*)rtgui_terminal_getline(tma, i);
rtgui_dc_draw_text(dc, str, &rect);
rect.y1 += item_height;
rect.y2 = rect.y1+item_height;
}
rtgui_dc_end_drawing(dc);
}
rt_bool_t demo_bitmap_showbox(struct rtgui_object* object, struct rtgui_event* event)
{
rtgui_container_t *container;
rtgui_widget_t *widget;
RT_ASSERT(object != RT_NULL);
container = RTGUI_CONTAINER(object);
widget = RTGUI_WIDGET(object);
if(event->type == RTGUI_EVENT_PAINT)
{
int w, h;
rtgui_rect_t rect;
struct rtgui_dc *dc;
struct rtgui_image *image = bmpdt.showimg;
/* 如果从其他标签切换到当前标签, image应该是RT_NULL, 重置它 */
if(image == RT_NULL && bmpdt.image != RT_NULL)
{
image = bmpdt.image;
bmpdt.scale = 1.0f;
bmpdt.angle = 0.0f;
rtgui_widget_get_rect(RTGUI_WIDGET(bmpdt.showbox), &bmpdt.lastrect);
rtgui_rect_inflate(&bmpdt.lastrect, -RTGUI_WIDGET_BORDER(bmpdt.showbox));
}
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL)
return RT_FALSE;
rtgui_widget_get_rect(widget, &rect);
/* 在绘制边框后, 再将rect缩小填充背景, 可以降低闪烁现象 */
rtgui_dc_draw_border(dc, &rect, RTGUI_WIDGET_BORDER_STYLE(widget));
rtgui_rect_inflate(&rect, -RTGUI_WIDGET_BORDER(widget));
w = rtgui_rect_width(bmpdt.lastrect);
h = rtgui_rect_height(bmpdt.lastrect);
if(w > rtgui_rect_width(rect)) w = rtgui_rect_width(rect);
if(h > rtgui_rect_height(rect)) h = rtgui_rect_height(rect);
/* fill container with background */
/*
* 参数lastrect会记录上一次绘图所用区域
* 每次重绘时,只需与lastrect比较,即可得知那些背景区域需要刷新
* 例如当放大图片时,lastrect比当前绘图区小,所有无需更新背景区,
* 当缩小图片时, 也仅需要更新绘图区比lastrect大的区域.
*/
if(image != RT_NULL)
{ /* 减少不必要的绘图 */
rtgui_rect_t rc;
if(w > image->w)
{
rc.x1 = image->w;
rc.y1 = bmpdt.lastrect.y1;
rc.x2 = bmpdt.lastrect.x2;
rc.y2 = (h > image->h) ? image->h : bmpdt.lastrect.y2;
rtgui_dc_fill_rect(dc, &rc);
}
if(h > image->h)
{
rc.x1 = bmpdt.lastrect.x1;
rc.y1 = image->h;
rc.x2 = bmpdt.lastrect.x2;
rc.y2 = bmpdt.lastrect.y2;
rtgui_dc_fill_rect(dc, &rc);
}
}
else
rtgui_dc_fill_rect(dc, &bmpdt.lastrect);
/* 将图像数据blit到画布上 */
if (image != RT_NULL)
{
int value;
rtgui_image_blit(image, dc, &rect);
bmpdt.lastrect.x1 = bmpdt.lastrect.y1 = RTGUI_WIDGET_BORDER(bmpdt.showbox);
if(image->w > rtgui_rect_width(rect))
value = rtgui_rect_width(rect);
else
value = image->w;
bmpdt.lastrect.x2 = bmpdt.lastrect.x1 + value;
if(image->h > rtgui_rect_height(rect))
value = rtgui_rect_height(rect);
else
value = image->h;
bmpdt.lastrect.y2 = bmpdt.lastrect.y1 + value;
}
rtgui_dc_end_drawing(dc);
return RT_FALSE;
}
return rtgui_container_event_handler(object, event);
}
void rtgui_fileview_ondraw(rtgui_fileview_t* fview)
{
rt_uint16_t first, i,rx2;
rtgui_fileview_item_t* item;
rtgui_rect_t rect, item_rect, image_rect;
rtgui_dc_t* dc;
RT_ASSERT(fview != RT_NULL);
/* begin drawing */
dc = rtgui_dc_begin_drawing(fview);
if(dc == RT_NULL)return;
rtgui_widget_get_rect(fview, &rect);
rtgui_dc_draw_border(dc, &rect,RTGUI_WIDGET_BORDER_STYLE(fview));
rtgui_rect_inflate(&rect,-RTGUI_WIDGET_BORDER_SIZE(fview));
RTGUI_DC_BC(dc) = theme.blankspace;
rtgui_dc_fill_rect(dc,&rect);
rtgui_rect_inflate(&rect,RTGUI_WIDGET_BORDER_SIZE(fview));
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview->sbar))
rect.x2 -= RC_W(fview->sbar->parent.extent);
rect.x2 -=1;
rect.y2 -= 1;
/* get item base rect */
item_rect = rect;
item_rect.x1 += RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.x2 -= RTGUI_WIDGET_BORDER_SIZE(fview);
rx2 = item_rect.x2;
item_rect.y1 += RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.y2 = item_rect.y1 + (1 + RTGUI_SEL_H);
/* get image base rect */
image_rect.x1 = RTGUI_MARGIN;
image_rect.y1 = 0;
image_rect.x2 = RTGUI_MARGIN + file_image->w;
image_rect.y2 = file_image->h;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
/* get current page */
first = fview->first_item;
for(i = 0; i < fview->item_per_page; i ++)
{
char str_size[32];
if(first + i >= fview->item_count) break;
item = &(fview->items[first + i]);
/* draw item image */
if(item->type == RTGUI_FITEM_FILE)
rtgui_image_paste(file_image, dc, &image_rect, Black);
else
rtgui_image_paste(folder_image, dc, &image_rect, Black);
/* draw text */
item_rect.x1 += RTGUI_MARGIN + file_image->w + 2;
item_rect.x2 = item_rect.x1 + rtgui_font_get_string_width(RTGUI_DC_FONT(dc), item->name);
if(first + i == fview->now_item)
{
if(RTGUI_WIDGET_IS_FOCUSED(fview))
{
RTGUI_DC_BC(dc) = DarkBlue;
RTGUI_DC_FC(dc) = theme.blankspace;
}
else
{
RTGUI_DC_BC(dc) = Gray;
RTGUI_DC_FC(dc) = theme.foreground;
}
rtgui_dc_fill_rect(dc, &item_rect);
rtgui_dc_draw_text(dc, item->name, &item_rect);
}
else
{
/* draw background */
RTGUI_DC_BC(dc) = theme.blankspace;
RTGUI_DC_FC(dc) = theme.foreground;
rtgui_dc_fill_rect(dc,&item_rect);
rtgui_dc_draw_text(dc, item->name, &item_rect);
}
#if (1) /* please turn off it when need. */
if(item->type == RTGUI_FITEM_FILE)
{
rtgui_rect_t rect=item_rect;
/* print file information */
rt_snprintf(str_size, 16, "(%dB)",item->size);
rect.x1 = rect.x2 + RTGUI_MARGIN;
rect.x2 = rect.x1 + rt_strlen(str_size) * FONT_W(RTGUI_WIDGET_FONT(fview));
RTGUI_DC_FC(dc) = theme.foreground;
rtgui_dc_draw_text(dc, str_size, &rect);
}
#endif
item_rect.x1 -= RTGUI_MARGIN + file_image->w + 2;
item_rect.x2 = rx2;
/* move to next item position */
item_rect.y1 += (RTGUI_SEL_H + 1);
item_rect.y2 += (RTGUI_SEL_H + 1);
image_rect.y1 += (RTGUI_SEL_H + 1);
image_rect.y2 += (RTGUI_SEL_H + 1);
}
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview->sbar))
{
rtgui_scrollbar_ondraw(fview->sbar);
}
rtgui_dc_end_drawing(dc);
}
void rtgui_theme_draw_progressbar(struct rtgui_progressbar* bar)
{
/* draw progress bar */
struct rtgui_dc* dc;
struct rtgui_rect rect;
int max = bar->range;
int pos = bar->position;
int left;
rtgui_color_t bc;
/* begin drawing */
dc = rtgui_dc_begin_drawing(&(bar->parent));
if (dc == RT_NULL) return;
bc = RTGUI_DC_BC(dc);
rtgui_widget_get_rect(&(bar->parent), &rect);
/* fill button rect with background color */
bar->parent.gc.background = RTGUI_RGB(212, 208, 200);
/* draw border */
rect.x2 --; rect.y2 --;
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
/* Nothing to draw */
if (max == 0)
{
rtgui_dc_end_drawing(dc);
return;
}
rect.x2 ++; rect.y2 ++;
left = max - pos;
rtgui_rect_inflate(&rect, -2);
bar->parent.gc.background = RTGUI_RGB(0, 0, 255);
if (bar->orient == RTGUI_VERTICAL)
{
/* Vertical bar grows from bottom to top */
int dy = (rtgui_rect_height(rect) * left) / max;
rect.y1 += dy;
rtgui_dc_fill_rect(dc, &rect);
RTGUI_DC_BC(dc) = bc;
rect.y1 -= dy; rect.y2 = dy;
rtgui_dc_fill_rect(dc, &rect);
}
else
{
/* Horizontal bar grows from left to right */
int dx = (rtgui_rect_width(rect) * left) / max;
rect.x2 -= dx;
rtgui_dc_fill_rect(dc, &rect);
RTGUI_DC_BC(dc) = bc;
rect.x1 = rect.x2; rect.x2 += dx;
rtgui_dc_fill_rect(dc, &rect);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
return;
}
void rtgui_theme_draw_scrollbar(struct rtgui_scrollbar* bar)
{
/* draw scroll bar */
struct rtgui_dc* dc;
rtgui_rect_t rect, btn_rect, thum_rect, arrow_rect;
rtgui_color_t bc, fc;
/* begin drawing */
dc = rtgui_dc_begin_drawing(&(bar->parent));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(bar), &rect);
/* draw background */
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(bar));
if (!RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(bar)) = RTGUI_RGB(128, 128, 128);
bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(bar));
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(bar)) = white;
rtgui_dc_fill_rect(dc, &rect);
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(bar)) = bc;
if (bar->orient == RTGUI_VERTICAL)
{
btn_rect = rect;
btn_rect.y2 = btn_rect.y1 + (rect.x2 - rect.x1);
/* draw up button */
rtgui_dc_fill_rect(dc, &btn_rect);
if (bar->status & SBS_UPARROW) rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
/* draw arrow */
arrow_rect.x1 = 0; arrow_rect.y1 = 0;
arrow_rect.x2 = 7; arrow_rect.y2 = 4;
rtgui_rect_moveto_align(&btn_rect, &arrow_rect,
RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_dc_draw_byte(dc, arrow_rect.x1, arrow_rect.y1,
rtgui_rect_height(arrow_rect), _up_arrow);
/* draw thumb */
if (RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
{
rtgui_scrollbar_get_thumb_rect(bar, &thum_rect);
rtgui_dc_fill_rect(dc, &thum_rect);
rtgui_dc_draw_border(dc, &thum_rect, RTGUI_BORDER_RAISE);
}
/* draw down button */
btn_rect.y1 = rect.y2 - (rect.x2 - rect.x1);
btn_rect.y2 = rect.y2;
rtgui_dc_fill_rect(dc, &btn_rect);
if (bar->status & SBS_DOWNARROW) rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
arrow_rect.x1 = 0; arrow_rect.y1 = 0;
arrow_rect.x2 = 7; arrow_rect.y2 = 4;
rtgui_rect_moveto_align(&btn_rect, &arrow_rect,
RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_dc_draw_byte(dc, arrow_rect.x1, arrow_rect.y1,
rtgui_rect_height(arrow_rect), _down_arrow);
}
else
{
btn_rect.x1 = rect.x1;
btn_rect.y1 = rect.y1;
btn_rect.x2 = rect.y2;
btn_rect.y2 = rect.y2;
/* draw left button */
rtgui_dc_fill_rect(dc, &btn_rect);
if (bar->status & SBS_LEFTARROW) rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
arrow_rect.x1 = 0; arrow_rect.y1 = 0;
arrow_rect.x2 = 4; arrow_rect.y2 = 7;
rtgui_rect_moveto_align(&btn_rect, &arrow_rect,
RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_dc_draw_byte(dc, arrow_rect.x1, arrow_rect.y1,
rtgui_rect_height(arrow_rect), _left_arrow);
/* draw thumb */
if (RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
{
rtgui_scrollbar_get_thumb_rect(bar, &thum_rect);
rtgui_dc_fill_rect(dc, &thum_rect);
rtgui_dc_draw_border(dc, &thum_rect, RTGUI_BORDER_RAISE);
}
btn_rect.x1 = rect.x2 - rect.y2;
btn_rect.x2 = rect.x2;
/* draw right button */
rtgui_dc_fill_rect(dc, &btn_rect);
if (bar->status & SBS_RIGHTARROW) rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
arrow_rect.x1 = 0; arrow_rect.y1 = 0;
arrow_rect.x2 = 4; arrow_rect.y2 = 7;
rtgui_rect_moveto_align(&btn_rect, &arrow_rect,
RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_dc_draw_byte(dc, arrow_rect.x1, arrow_rect.y1,
rtgui_rect_height(arrow_rect), _right_arrow);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(bar)) = fc;
return;
}
void rtgui_theme_draw_slider(struct rtgui_slider* slider)
{
/* draw button */
struct rtgui_dc* dc;
int i, xsize, x0;
rtgui_rect_t r, focus_rect, slider_rect, slot_rect;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(slider));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(slider), &focus_rect);
/* fill widget rect with background color */
rtgui_dc_fill_rect(dc, &focus_rect);
r = focus_rect;
if (slider->orient == RTGUI_VERTICAL)
{
rtgui_rect_inflate(&r, -1);
xsize = r.y2 - r.y1 + 1 - slider->thumb_width;
x0 = r.y1 + slider->thumb_width / 2;
/* calculate thumb position */
slider_rect = r;
slider_rect.x1 = 5;
slider_rect.y1 = x0 + xsize * (slider->value - slider->min) / (slider->max - slider->min) - slider->thumb_width/2;
slider_rect.y2 = slider_rect.y1 + slider->thumb_width;
/* calculate slot position */
slot_rect.y1 = x0;
slot_rect.y2 = x0 + xsize;
slot_rect.x1 = (slider_rect.x1 + slider_rect.x2) /2 -1;
slot_rect.x2 = slot_rect.x1 +3;
/* draw slot */
rtgui_dc_draw_border(dc, &slot_rect, RTGUI_BORDER_RAISE);
/* draw the ticks */
for (i = 0; i <= slider->ticks; i++)
{
int x = x0 + xsize * i / slider->ticks;
rtgui_dc_draw_hline(dc, 1, 3, x);
}
/* draw the thumb */
rtgui_dc_fill_rect(dc, &slider_rect);
rtgui_dc_draw_border(dc, &slider_rect, RTGUI_BORDER_RAISE);
}
else
{
rtgui_rect_inflate(&r, -1);
xsize = r.x2 - r.x1 + 1 - slider->thumb_width;
x0 = r.x1 + slider->thumb_width / 2;
/* calculate thumb position */
slider_rect = r;
slider_rect.y1 = 5;
slider_rect.x1 = x0 + xsize * (slider->value - slider->min) / (slider->max - slider->min) - slider->thumb_width/2;
slider_rect.x2 = slider_rect.x1 + slider->thumb_width;
/* calculate slot position */
slot_rect.x1 = x0;
slot_rect.x2 = x0 + xsize;
slot_rect.y1 = (slider_rect.y1 + slider_rect.y2) /2 -1;
slot_rect.y2 = slot_rect.y1 +3;
/* draw slot */
rtgui_dc_draw_border(dc, &slot_rect, RTGUI_BORDER_RAISE);
/* draw the ticks */
for (i = 0; i <= slider->ticks; i++)
{
int x = x0 + xsize * i / slider->ticks;
rtgui_dc_draw_vline(dc, x, 1, 3);
}
/* draw the thumb */
rtgui_dc_fill_rect(dc, &slider_rect);
rtgui_dc_draw_border(dc, &slider_rect, RTGUI_BORDER_RAISE);
}
/* draw focus */
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(slider)))
{
rtgui_dc_draw_focus_rect(dc, &focus_rect);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
return;
}
/* window drawing */
void rtgui_theme_draw_win(struct rtgui_topwin* win)
{
struct rtgui_dc* dc;
rtgui_rect_t rect;
if (win->title == RT_NULL) return; /* no title and no board */
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(win->title));
if (dc == RT_NULL) return;
/* get rect */
rtgui_widget_get_rect(RTGUI_WIDGET(win->title), &rect);
/* draw border */
if (win->flag & WINTITLE_BORDER)
{
rect.x2 -= 1; rect.y2 -= 1;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(212, 208, 200);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y1);
rtgui_dc_draw_vline(dc, rect.x1, rect.y1, rect.y2);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = white;
rtgui_dc_draw_hline(dc, rect.x1 + 1, rect.x2 - 1, rect.y1 + 1);
rtgui_dc_draw_vline(dc, rect.x1 + 1, rect.y1 + 1, rect.y2 - 1);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(128, 128, 128);
rtgui_dc_draw_hline(dc, rect.x1 + 1, rect.x2 - 1, rect.y2 - 1);
rtgui_dc_draw_vline(dc, rect.x2 - 1, rect.y1 + 1, rect.y2 - 1);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(64, 64, 64);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y2);
rtgui_dc_draw_vline(dc, rect.x2, rect.y1, rect.y2);
/* shrink border */
rtgui_rect_inflate(&rect, -WINTITLE_BORDER_SIZE);
}
/* draw title */
if (!(win->flag & WINTITLE_NO))
{
rt_uint32_t index;
float r, g, b, delta;
if (win->flag & WINTITLE_ACTIVATE)
{
r = 10; g = 36; b = 106;
delta = 150 / (float)(rect.x2 - rect.x1);
}
else
{
r = 128; g = 128; b = 128;
delta = 64 / (float)(rect.x2 - rect.x1);
}
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(r, g, b);
for (index = rect.x1; index < rect.x2 + 1; index ++)
{
rtgui_dc_draw_vline(dc, index, rect.y1, rect.y2);
r += delta; g += delta; b += delta;
}
if (win->flag & WINTITLE_ACTIVATE)
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = white;
}
else
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(212, 208, 200);
}
rect.x1 += 4;
rect.y1 += 2; rect.y2 = rect.y1 + WINTITLE_CB_HEIGHT;
rtgui_dc_draw_text(dc, rtgui_wintitle_get_title(win->title), &rect);
if (win->flag & WINTITLE_CLOSEBOX)
{
/* get close button rect */
rtgui_rect_t box_rect = {0, 0, WINTITLE_CB_WIDTH, WINTITLE_CB_HEIGHT};
rtgui_rect_moveto_align(&rect, &box_rect, RTGUI_ALIGN_CENTER_VERTICAL | RTGUI_ALIGN_RIGHT);
box_rect.x1 -= 3; box_rect.x2 -= 3;
rtgui_dc_fill_rect(dc, &box_rect);
/* draw close box */
if (win->flag & WINTITLE_CB_PRESSED)
{
rtgui_dc_draw_border(dc, &box_rect, RTGUI_BORDER_SUNKEN);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = red;
rtgui_dc_draw_word(dc, box_rect.x1, box_rect.y1 + 6, 7, close_byte);
}
else
{
rtgui_dc_draw_border(dc, &box_rect, RTGUI_BORDER_RAISE);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = black;
rtgui_dc_draw_word(dc, box_rect.x1 - 1, box_rect.y1 + 5, 7, close_byte);
}
}
}
rtgui_dc_end_drawing(dc);
}
void rtgui_theme_draw_checkbox(struct rtgui_checkbox* checkbox)
{
struct rtgui_dc* dc;
struct rtgui_rect rect, box_rect;
rtgui_color_t bc, fc;
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox));
bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(checkbox));
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(checkbox));
if (dc == RT_NULL) return;
/* get rect */
rtgui_widget_get_rect(RTGUI_WIDGET(checkbox), &rect);
/* fill rect */
rtgui_dc_fill_rect(dc, &rect);
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(checkbox)))
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox)) = black;
/* draw focused border */
rtgui_rect_inflate(&rect, -1);
rtgui_dc_draw_focus_rect(dc, &rect);
rtgui_rect_inflate(&rect, 1);
}
/* draw check box */
box_rect.x1 = 0;
box_rect.y1 = 0;
box_rect.x2 = CHECK_BOX_W;
box_rect.y2 = CHECK_BOX_H;
rtgui_rect_moveto_align(&rect, &box_rect, RTGUI_ALIGN_CENTER_VERTICAL);
box_rect.x1 += 2; box_rect.x2 += 2;
rtgui_dc_draw_border(dc, &box_rect, RTGUI_BORDER_BOX);
rtgui_rect_inflate(&box_rect, -1);
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(checkbox)) = RTGUI_RGB(247, 247, 246);
rtgui_dc_fill_rect(dc, &box_rect);
if (checkbox->status_down == RTGUI_CHECKBOX_STATUS_CHECKED)
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox)) = RTGUI_RGB(33, 161, 33);
rtgui_dc_draw_byte(dc, box_rect.x1 + 2, box_rect.y1 + 2, 7, checked_byte);
}
/* restore saved color */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(checkbox)) = bc;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox)) = fc;
/* draw text */
rect.x1 += rtgui_rect_height(rect) - 4 + 5;
rtgui_dc_draw_text(dc, rtgui_label_get_text(RTGUI_LABEL(checkbox)), &rect);
/* end drawing */
rtgui_dc_end_drawing(dc);
return;
}
void rtgui_scrollbar_ondraw(rtgui_scrollbar_t* bar)
{
/* draw scroll bar */
rtgui_rect_t rect, btn_rect, thum_rect, arrow_rect;
struct rtgui_dc* dc;
rtgui_color_t bc;
RT_ASSERT(bar != RT_NULL);
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(bar));
if(dc == RT_NULL)return;
bc = RTGUI_DC_BC(dc);
/* begin drawing */
rtgui_widget_get_rect(RTGUI_WIDGET(bar), &rect);
RTGUI_DC_BC(dc) = white;
rtgui_dc_fill_rect(dc,&rect);
RTGUI_DC_BC(dc) = bc;
if(bar->orient == RTGUI_VERTICAL)
{
btn_rect = rect;
btn_rect.y2 = btn_rect.y1 + (rect.x2 - rect.x1);
rtgui_dc_fill_rect(dc,&btn_rect);
/* draw up button */
if(bar->status & SBS_UPARROW)
rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else
rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
/* draw up arrow */
arrow_rect.x1 = 0; arrow_rect.y1 = 0;
arrow_rect.x2 = 7; arrow_rect.y2 = 4;
rtgui_rect_moveto_align(&btn_rect, &arrow_rect, RTGUI_ALIGN_CENTER);
rtgui_dc_draw_byte(dc, arrow_rect.x1, arrow_rect.y1, rtgui_rect_height(arrow_rect), _up_arrow);
/* draw thumb */
rtgui_scrollbar_get_thumb_rect(bar, &thum_rect);
rtgui_dc_fill_rect(dc,&thum_rect);
rtgui_dc_draw_border(dc, &thum_rect, RTGUI_BORDER_RAISE);
/* draw down button */
btn_rect.y1 = rect.y2 - (rect.x2 - rect.x1);
btn_rect.y2 = rect.y2;
rtgui_dc_fill_rect(dc,&btn_rect);
if(bar->status & SBS_DOWNARROW)
rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else
rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
/* draw down arrow */
arrow_rect.x1 = 0;
arrow_rect.y1 = 0;
arrow_rect.x2 = 7;
arrow_rect.y2 = 4;
rtgui_rect_moveto_align(&btn_rect, &arrow_rect, RTGUI_ALIGN_CENTER);
rtgui_dc_draw_byte(dc, arrow_rect.x1, arrow_rect.y1, rtgui_rect_height(arrow_rect), _down_arrow);
}
else
{
btn_rect = rect;
btn_rect.x2 = btn_rect.x1 + (rect.y2 - rect.y1);
rtgui_dc_fill_rect(dc,&btn_rect);
/* draw left button */
if(bar->status & SBS_LEFTARROW)
rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else
rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
arrow_rect.x1 = 0;
arrow_rect.y1 = 0;
arrow_rect.x2 = 4;
arrow_rect.y2 = 7;
rtgui_rect_moveto_align(&btn_rect, &arrow_rect, RTGUI_ALIGN_CENTER);
rtgui_dc_draw_byte(dc, arrow_rect.x1, arrow_rect.y1, rtgui_rect_height(arrow_rect), _left_arrow);
/* draw thumb */
if(RTGUI_WIDGET_IS_ENABLE(bar))
{
rtgui_scrollbar_get_thumb_rect(bar, &thum_rect);
rtgui_dc_fill_rect(dc,&thum_rect);
rtgui_dc_draw_border(dc, &thum_rect, RTGUI_BORDER_RAISE);
}
btn_rect.x1 = rect.x2 - (rect.y2-rect.y1);
btn_rect.x2 = rect.x2;
rtgui_dc_fill_rect(dc,&btn_rect);
/* draw right button */
if(bar->status & SBS_RIGHTARROW)
rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else
rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
arrow_rect.x1 = 0;
arrow_rect.y1 = 0;
arrow_rect.x2 = 4;
arrow_rect.y2 = 7;
rtgui_rect_moveto_align(&btn_rect, &arrow_rect, RTGUI_ALIGN_CENTER);
rtgui_dc_draw_byte(dc, arrow_rect.x1, arrow_rect.y1, rtgui_rect_height(arrow_rect), _right_arrow);
}
rtgui_dc_end_drawing(dc);
}
void rtgui_edit_ondraw(struct rtgui_edit *edit)
{
rtgui_rect_t rect, r;
struct rtgui_dc *dc;
#ifdef RTGUI_EDIT_USING_SCROLL
int hscroll_flag=0;
int vscroll_flag=0;
#endif
RT_ASSERT(edit != RT_NULL);
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(edit));
if(dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(edit), &rect);
rtgui_rect_inflate(&rect, -RTGUI_WIDGET_BORDER_SIZE(edit));
/* fill widget rect with edit background color */
RTGUI_DC_BC(dc) = RTGUI_WIDGET_BC(edit);
rtgui_dc_fill_rect(dc, &rect);
rtgui_rect_inflate(&rect, RTGUI_WIDGET_BORDER_SIZE(edit));
/* draw border */
rtgui_dc_draw_border(dc, &rect, RTGUI_WIDGET_BORDER_STYLE(edit));
rtgui_rect_inflate(&rect, -(edit->margin + RTGUI_WIDGET_BORDER_SIZE(edit)));
#ifdef RTGUI_EDIT_USING_SCROLL
if(edit->vscroll && !RTGUI_WIDGET_IS_HIDE(edit->vscroll))
{
rect.x2 = rect.x2 - rtgui_rect_width(edit->vscroll->parent.extent);
}
if(edit->hscroll && !RTGUI_WIDGET_IS_HIDE(edit->hscroll))
{
rect.y2 = rect.y2 - rtgui_rect_height(edit->hscroll->parent.extent);
}
#endif
r = rect;
/* draw text */
if(edit->head != RT_NULL)
{
struct edit_line *line = edit->first_line;
int num=0;
rect.y2 = rect.y1 + edit->item_height;
while(line)
{
rt_uint32_t tmp_pos=0, ofs;
char *str = line->text+edit->upleft.x;
if(edit->upleft.x < line->len)
{
rtgui_point_t p = edit->visual;
edit->visual.x = 0;
identify_double_byte(edit, line, EDIT_IDENT_DIR_LEFT, &tmp_pos);
ofs = tmp_pos % 2;
if(ofs == 1)
{
char dbl_bmp[3];
rtgui_point_t pot = {0};
rtgui_rect_t r = {0};
pot.x = edit->font_width;
r.x2 = edit->font_width*2;
r.y2 = edit->font_height;
dbl_bmp[0] = *(str-1);
dbl_bmp[1] = *str;
dbl_bmp[2] = '\0';
RTGUI_DC_BC(edit->dbl_buf) = RTGUI_WIDGET_BC(edit);
rtgui_dc_fill_rect(edit->dbl_buf, &r);
RTGUI_DC_FC(edit->dbl_buf) = RTGUI_WIDGET_FC(edit);
rtgui_dc_draw_text(edit->dbl_buf, dbl_bmp, &r);
rtgui_dc_blit(edit->dbl_buf, pot.x, pot.y, dc, rect.x1, rect.y1,
edit->font_width, edit->font_height);
}
rect.x1 += ofs * edit->font_width;
rtgui_dc_draw_text(dc, line->text+edit->upleft.x+ofs, &rect);
rect.x1 -= ofs * edit->font_width;
edit->visual = p;
}
line = line->next;
rect.y1 += edit->item_height;
if((rect.y1 + edit->item_height) < r.y2)
rect.y2 = rect.y1 + edit->item_height;
else
rect.y2 = r.y2;
if(num++ >= edit->row_per_page)
break;
}
}
#ifdef RTGUI_EDIT_USING_SCROLL
if(edit->hscroll && !RTGUI_WIDGET_IS_HIDE(edit->hscroll))
{
hscroll_flag = 1;
rtgui_scrollbar_ondraw(edit->hscroll);
}
if(edit->vscroll && !RTGUI_WIDGET_IS_HIDE(edit->vscroll))
{
vscroll_flag = 1;
rtgui_scrollbar_ondraw(edit->vscroll);
}
if(hscroll_flag && vscroll_flag)
{
rtgui_color_t _bc;
rtgui_widget_get_rect(RTGUI_WIDGET(edit), &rect);
rect.x1 = rect.x2-RTGUI_WIDGET_BORDER_SIZE(edit);
rect.y1 = rect.y2-RTGUI_WIDGET_BORDER_SIZE(edit);
_bc = RTGUI_DC_BC(dc);
RTGUI_DC_BC(dc) = theme.background;
rtgui_dc_fill_rect(dc,&rect);
RTGUI_DC_BC(dc) = _bc;
}
#endif
rtgui_dc_end_drawing(dc);
}
/* Draw tab bars of @param notebook. @param dc should be initialized and
* finished outside this function. Don't pass @param notebook or @param dc as
* RT_NULL, it should be checked outside.
*/
static void _rtgui_notebook_draw_bar(struct rtgui_notebook *notebook,
struct rtgui_dc *dc)
{
int index;
struct rtgui_rect rect;
struct rtgui_rect text_rect;
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
struct rtgui_image* image = RT_NULL;
struct rtgui_rect image_rect;
#endif
RT_ASSERT((notebook != RT_NULL) && (dc != RT_NULL));
if (notebook->flag == RTGUI_NOTEBOOK_NOTAB)
return;
_rtgui_notebook_get_bar_rect(notebook, &rect);
rtgui_dc_fill_rect(dc, &rect);
if (notebook->flag == RTGUI_NOTEBOOK_TOP ||
notebook->flag == RTGUI_NOTEBOOK_BOTTOM)
{
rect.x2 = rect.x1 + notebook->tab_w;
/* draw tab bar */
for (index = 0; index < notebook->count; index++)
{
if (notebook->current == index)
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (notebook->childs[index].pressed_image != RT_NULL)
image = notebook->childs[index].pressed_image;
else
#endif
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
}
else
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (notebook->childs[index].unpressed_image != RT_NULL)
image = notebook->childs[index].unpressed_image;
else
#endif
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_BOX);
}
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(notebook),
notebook->childs[index].title, &text_rect);
rtgui_rect_moveto_align(&rect, &text_rect, RTGUI_ALIGN_CENTER);
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (image != RT_NULL)
{
image_rect.x1 = 0;
image_rect.y1 = RTGUI_WIDGET_DEFAULT_MARGIN;
image_rect.x2 = image_rect.x1 + image->w;
image_rect.y2 = image_rect.y1 + image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
rtgui_image_blit(image, dc, &image_rect);
}
if (image != RT_NULL)
{
int text_height = text_rect.y2 - text_rect.y1;
text_rect.y1 = image_rect.y2 + RTGUI_WIDGET_DEFAULT_MARGIN;
text_rect.y2 = text_rect.y1 + text_height;
}
image = RT_NULL;
#endif
rtgui_dc_draw_text(dc, notebook->childs[index].title, &text_rect);
/* move to next tab */
rect.x1 = rect.x2;
rect.x2 = rect.x1 + notebook->tab_w;
}
}
else
{
rect.y2 = rect.y1 + notebook->tab_h;
/* draw tab bar */
for (index = 0; index < notebook->count; index++)
{
if (notebook->current == index)
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (notebook->childs[index].pressed_image != RT_NULL)
image = notebook->childs[index].pressed_image;
else
#endif
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
}
else
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (notebook->childs[index].unpressed_image != RT_NULL)
image = notebook->childs[index].unpressed_image;
else
#endif
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_BOX);
}
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(notebook),
notebook->childs[index].title, &text_rect);
rtgui_rect_moveto_align(&rect, &text_rect, RTGUI_ALIGN_CENTER);
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (image != RT_NULL)
{
image_rect.x1 = 0;
image_rect.y1 = RTGUI_WIDGET_DEFAULT_MARGIN;
image_rect.x2 = image->w;
image_rect.y2 = image_rect.y1 + image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
rtgui_image_blit(image, dc, &image_rect);
}
if (image != RT_NULL)
{
int text_height = text_rect.y2 - text_rect.y1;
text_rect.y1 = image_rect.y2 + RTGUI_WIDGET_DEFAULT_MARGIN;
text_rect.y2 = text_rect.y1 + text_height;
}
image = RT_NULL;
#endif
rtgui_dc_draw_text(dc, notebook->childs[index].title, &text_rect);
/* move to next tab */
rect.y1 = rect.y2;
rect.y2 = rect.y1 + notebook->tab_h;
}
}
}
/*
* view的事件处理函数
*/
rt_bool_t dc_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
{
/* 仅对PAINT事件进行处理 */
if (event->type == RTGUI_EVENT_PAINT) {
struct rtgui_dc* dc;
rtgui_rect_t rect;
/* const int vx[] = {20, 50, 60, 45, 60, 20};
const int vy[] = {150, 50, 90, 60, 45, 50};
*/
/*
* 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);
/************************************************************************/
/* 下面的是DC的操作 */
/************************************************************************/
/* 获得控件所属的DC */
dc = rtgui_dc_begin_drawing(widget);
/* 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） */
if (dc == RT_NULL)
return RT_FALSE;
/* 获得demo view允许绘图的区域 */
demo_view_get_logic_rect(RTGUI_VIEW(widget), &rect);
RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_BOTTOM | RTGUI_ALIGN_CENTER_HORIZONTAL;
/* 显示GUI的版本信息 */
#ifdef RTGUI_USING_SMALL_SIZE
rtgui_dc_draw_text(dc, "RT-Thread/GUI小型版本", &rect);
#else
rtgui_dc_draw_text(dc, "RT-Thread/GUI标准版本", &rect);
#endif
{
rtgui_rect_t rect = {0, 0, 0x1c, 0x16};
rtgui_rect_moveto(&rect, 80, 80);
rtgui_image_blit((rtgui_image_t*)&play_image, dc, &rect);
rect.x1 = 0;
rect.y1 = 0;
rect.x2 = 0x1c;
rect.y2 = 0x16;
rtgui_rect_moveto(&rect, 130, 80);
rtgui_image_blit((rtgui_image_t*)&stop_image, dc, &rect);
}
/* 绘制一个圆形 */
RTGUI_DC_FC(dc) = red;
rtgui_dc_draw_circle(dc, rect.x1 + 10, rect.y1 + 10, 10);
/* 填充一个圆形 */
RTGUI_DC_FC(dc) = green;
rtgui_dc_fill_circle(dc, rect.x1 + 30, rect.y1 + 10, 10);
#if 0
/* 画一个圆角矩形 */
rect.x1 = 150;
rect.y1 = 180;
rect.x2 = 210;
rect.y2 = 260;
RTGUI_DC_FC(dc) = RTGUI_RGB(25, 70, 150);
rtgui_dc_draw_round_rect(dc, &rect, 10);
rect.x1 = 160;
rect.y1 = 190;
rect.x2 = 200;
rect.y2 = 250;
RTGUI_DC_FC(dc) = RTGUI_RGB(170, 7, 80);
rtgui_dc_fill_round_rect(dc, &rect, 7);
/* 画一个圆弧 */
RTGUI_DC_FC(dc) = RTGUI_RGB(250, 120, 120);
rtgui_dc_draw_arc(dc, rect.x1 + 120, rect.y1 + 60, 30, 0, 120);
/* 画一个扇形圆环 */
RTGUI_DC_FC(dc) = RTGUI_RGB(150, 23, 100);
rtgui_dc_draw_annulus(dc, 180, 170, 30, 50, 210, 330);
/* 多边形 */
RTGUI_DC_FC(dc) = blue;
rtgui_dc_draw_polygon(dc, vx, vy, 6);
#endif
RTGUI_DC_FC(dc) = blue;
/* 绘制不同的边框 */
{
rtgui_rect_t rect = {0, 0, 16, 16};
rtgui_rect_moveto(&rect, 30, 120);
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_RAISE);
rect.x1 += 20;
rect.x2 += 20 + 50;
rtgui_dc_draw_text(dc, "raise", &rect);
rect.x1 -= 20;
rect.x2 -= 20 + 50;
rect.y1 += 20;
rect.y2 += 20;
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SIMPLE);
rect.x1 += 20;
rect.x2 += 20 + 50;
rtgui_dc_draw_text(dc, "simple", &rect);
rect.x1 -= 20;
rect.x2 -= 20 + 50;
rect.y1 += 20;
rect.y2 += 20;
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
rect.x1 += 20;
rect.x2 += 20 + 50;
rtgui_dc_draw_text(dc, "sunken", &rect);
rect.x1 -= 20;
rect.x2 -= 20 + 50;
rect.y1 += 20;
rect.y2 += 20;
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_BOX);
rect.x1 += 20;
rect.x2 += 20 + 50;
rtgui_dc_draw_text(dc, "box", &rect);
rect.x1 -= 20;
rect.x2 -= 20 + 50;
rect.y1 += 20;
rect.y2 += 20;
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_STATIC);
rect.x1 += 20;
rect.x2 += 20 + 50;
rtgui_dc_draw_text(dc, "static", &rect);
rect.x1 -= 20;
rect.x2 -= 20 + 50;
rect.y1 += 20;
rect.y2 += 20;
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_EXTRA);
rect.x1 += 20;
rect.x2 += 20 + 50;
rtgui_dc_draw_text(dc, "extera", &rect);
rect.x1 -= 20;
rect.x2 -= 20 + 50;
rect.y1 += 20;
rect.y2 += 20;
}
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
} else {
/* 其他事件，调用默认的事件处理函数 */
return rtgui_view_event_handler(widget, event);
}
return RT_FALSE;
}