/* 控件绘图函数 */
static void rtgui_mywidget_ondraw(struct rtgui_mywidget* me)
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
rt_uint16_t x, y;
/* 获得目标DC，开始绘�?*/
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(me));
if (dc == RT_NULL) return;
/* 获得窗口的尺�?*/
rtgui_widget_get_rect(RTGUI_WIDGET(me), &rect);
/* 绘制背景�?*/
RTGUI_DC_BC(dc) = white;
rtgui_dc_fill_rect(dc, &rect);
/* 计算中心原点 */
x = (rect.x2 + rect.x1)/2;
y = (rect.y2 + rect.y1)/2;
/* 绘制十字�?*/
RTGUI_DC_FC(dc) = black;
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, y);
rtgui_dc_draw_vline(dc, x, rect.y1, rect.y2);
/* 根据状态绘制圆�?*/
if (me->status == MYWIDGET_STATUS_ON)
RTGUI_DC_FC(dc) = green;
else
RTGUI_DC_FC(dc) = red;
rtgui_dc_fill_circle(dc, x, y, 5);
/* 结束绘图 */
rtgui_dc_end_drawing(dc);
return;
}
rt_bool_t calibration_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
switch (event->type)
{
case RTGUI_EVENT_PAINT:
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL) break;
/* get rect information */
rtgui_widget_get_rect(widget, &rect);
/* clear whole window */
RTGUI_WIDGET_BACKGROUND(widget) = white;
rtgui_dc_fill_rect(dc, &rect);
/* reset color */
RTGUI_WIDGET_BACKGROUND(widget) = green;
RTGUI_WIDGET_FOREGROUND(widget) = black;
switch (calibration_ptr->step)
{
case CALIBRATION_STEP_LEFTTOP:
rtgui_dc_draw_hline(dc, 0, 2 * CALIBRATION_WIDTH, CALIBRATION_HEIGHT);
rtgui_dc_draw_vline(dc, CALIBRATION_WIDTH, 0, 2 * CALIBRATION_HEIGHT);
RTGUI_WIDGET_FOREGROUND(widget) = red;
rtgui_dc_fill_circle(dc, CALIBRATION_WIDTH, CALIBRATION_HEIGHT, 4);
break;
case CALIBRATION_STEP_RIGHTTOP:
rtgui_dc_draw_hline(dc, calibration_ptr->width - 2 * CALIBRATION_WIDTH,
calibration_ptr->width, CALIBRATION_HEIGHT);
rtgui_dc_draw_vline(dc, calibration_ptr->width - CALIBRATION_WIDTH, 0, 2 * CALIBRATION_HEIGHT);
RTGUI_WIDGET_FOREGROUND(widget) = red;
rtgui_dc_fill_circle(dc, calibration_ptr->width - CALIBRATION_WIDTH, CALIBRATION_HEIGHT, 4);
break;
case CALIBRATION_STEP_LEFTBOTTOM:
rtgui_dc_draw_hline(dc, 0, 2 * CALIBRATION_WIDTH, calibration_ptr->height - CALIBRATION_HEIGHT);
rtgui_dc_draw_vline(dc, CALIBRATION_WIDTH, calibration_ptr->height - 2 * CALIBRATION_HEIGHT, calibration_ptr->height);
RTGUI_WIDGET_FOREGROUND(widget) = red;
rtgui_dc_fill_circle(dc, CALIBRATION_WIDTH, calibration_ptr->height - CALIBRATION_HEIGHT, 4);
break;
case CALIBRATION_STEP_RIGHTBOTTOM:
rtgui_dc_draw_hline(dc, calibration_ptr->width - 2 * CALIBRATION_WIDTH,
calibration_ptr->width, calibration_ptr->height - CALIBRATION_HEIGHT);
rtgui_dc_draw_vline(dc, calibration_ptr->width - CALIBRATION_WIDTH, calibration_ptr->height - 2 * CALIBRATION_HEIGHT, calibration_ptr->height);
RTGUI_WIDGET_FOREGROUND(widget) = red;
rtgui_dc_fill_circle(dc, calibration_ptr->width - CALIBRATION_WIDTH, calibration_ptr->height - CALIBRATION_HEIGHT, 4);
break;
case CALIBRATION_STEP_CENTER:
rtgui_dc_draw_hline(dc, calibration_ptr->width/2 - CALIBRATION_WIDTH, calibration_ptr->width/2 + CALIBRATION_WIDTH, calibration_ptr->height/2);
rtgui_dc_draw_vline(dc, calibration_ptr->width/2, calibration_ptr->height/2 - CALIBRATION_HEIGHT, calibration_ptr->height/2 + CALIBRATION_HEIGHT);
RTGUI_WIDGET_FOREGROUND(widget) = red;
rtgui_dc_fill_circle(dc, calibration_ptr->width/2, calibration_ptr->height/2, 4);
break;
}
rtgui_dc_end_drawing(dc);
}
break;
case RTGUI_EVENT_COMMAND:
{
struct rtgui_event_command* ecmd = (struct rtgui_event_command*)event;
switch (ecmd->command_id)
{
case TOUCH_WIN_UPDATE:
rtgui_widget_update(widget);
break;
case TOUCH_WIN_CLOSE:
rtgui_win_close(RTGUI_WIN(widget));
break;
}
}
return RT_TRUE;
default:
rtgui_win_event_handler(widget, event);
}
return RT_FALSE;
}
/*
* container的事件处理函数
*/
rt_bool_t instrument_panel_event_handler(struct rtgui_object *object, rtgui_event_t *event)
{
struct rtgui_widget *widget = RTGUI_WIDGET(object);
char ac[4];
int i;
int x0 = 120;
int y0 = 170;
int x, y;
int default_color;
/* 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 arrowx[] = {120 + 75, 120 + 75, 120 + 85};
const int arrowy[] = {170 - 5, 170 + 5, 170};
/*
* 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(RTGUI_OBJECT(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 container允许绘图的区域 */
demo_view_get_rect(RTGUI_CONTAINER(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_DC_TEXTALIGN(dc) = RTGUI_ALIGN_CENTER_VERTICAL | RTGUI_ALIGN_CENTER_HORIZONTAL;
RTGUI_DC_FC(dc) = blue;
rect.y2 = 270;
rtgui_dc_draw_text(dc, "rtgui-panel", &rect);
for (i = 0; i < 6; i++)
{
rtgui_dc_draw_arc(dc, x0, y0, 117 - i, 150, 30);
}
RTGUI_DC_FC(dc) = black;
RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_LEFT;
for (i = 0; i <= 23; i++)
{
if (i < 12)
{
x = x0 + 105 * cos((150 + i * 10) * 3.1415926 / 180);
y = y0 + 105 * sin((150 + i * 10) * 3.1415926 / 180);
rect.x1 = x;
rect.y1 = y;
rect.x2 = rect.x1 + 12 * 3;
rect.y2 = rect.y1 + 12;
rt_sprintf(ac, "%d", 10 * i);
rtgui_dc_draw_text(dc, ac, &rect);
}
else
{
RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_RIGHT;
x = x0 + 105 * cos((160 + i * 10) * 3.1415926 / 180);
y = y0 + 105 * sin((160 + i * 10) * 3.1415926 / 180);
rect.x1 = x - 12 * 3;
rect.y1 = y;
rect.x2 = rect.x1 + 12 * 3;
rect.y2 = rect.y1 + 12;
rt_sprintf(ac, "%d", 10 * i);
rtgui_dc_draw_text(dc, ac, &rect);
}
x = x0 + 107 * cos((150 + i * 10) * 3.1415926 / 180);
y = y0 + 107 * sin((150 + i * 10) * 3.1415926 / 180);
rtgui_dc_fill_circle(dc, x, y, 3);
}
RTGUI_DC_FC(dc) = RTGUI_RGB(166, 0, 166);
rtgui_dc_fill_circle(dc, x0, y0, 3);
RTGUI_DC_FC(dc) = RTGUI_RGB(120, 141, 30);
rtgui_dc_draw_circle(dc, x0, y0, 5);
default_color = RTGUI_DC_BC(dc);
RTGUI_DC_BC(dc) = red;
rect.x1 = x0 + 7;
rect.y1 = y0 - 1;
rect.x2 = x0 + 75;
rect.y2 = y0 + 1;
rtgui_dc_fill_rect(dc, &rect);
RTGUI_DC_BC(dc) = default_color;
rtgui_dc_fill_polygon(dc, arrowx, arrowy, 3);
/* 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_container_event_handler(RTGUI_OBJECT(widget), event);
}
return RT_FALSE;
}
/*
* 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;
}
