static rt_bool_t animation_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
{
if (event->type == RTGUI_EVENT_PAINT)
{
struct rtgui_dc* dc;
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 RT_FALSE;
/* 获得demo view允许绘图的区域 */
demo_view_get_logic_rect(RTGUI_VIEW(widget), &rect);
/* 绘图 */
rect = text_rect;
rtgui_rect_inflate(&rect, +1);
rtgui_dc_blit(dc_buffer, NULL, dc, &rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
else
{
/* 调用默认的事件处理函数 */
return rtgui_view_event_handler(widget, event);
}
return RT_FALSE;
}
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 _onidle(struct rtgui_object *object, rtgui_event_t *event)
{
rtgui_color_t color;
rtgui_rect_t rect, draw_rect;
struct rtgui_dc *dc;
/* 获得控件所属的DC */
// dc = rtgui_dc_hw_create(RTGUI_WIDGET(container));
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(container));
if (dc == RT_NULL)
return;
demo_view_get_logic_rect(RTGUI_CONTAINER(container), &rect);
draw_rect.x1 = RAND(rect.x1, rect.x2);
draw_rect.y1 = RAND(rect.y1, rect.y2);
draw_rect.x2 = RAND(draw_rect.x1, rect.x2);
draw_rect.y2 = RAND(draw_rect.y1, rect.y2);
color = RTGUI_RGB(rand() % 255, rand() % 255, rand() % 255);
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(container)) = color;
rtgui_dc_fill_rect(dc, &draw_rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
static void timeout(struct rtgui_timer* timer, void* parameter)
{
struct rtgui_dc* dc;
rtgui_rect_t rect;
rtgui_widget_t *widget;
/* 控件(view)通过parameter参数传递给定时器 */
widget = (rtgui_widget_t*)parameter;
/* 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，主要用于判断边界 */
demo_view_get_logic_rect(RTGUI_VIEW(widget), &rect);
rect.y2 -= 5;
/* 判断是否是第一次绘图 */
if ((text_rect.x1 == 0) && (text_rect.y1 == 0))
{
rtgui_rect_moveto(&text_rect, rect.x1, rect.y1);
}
/* 设置dx和dy */
if (text_rect.x2 >= rect.x2) dx = -1;
if (text_rect.x1 < rect.x1) dx = 1;
if (text_rect.y2 >= rect.y2) dy = -1;
if (text_rect.y1 < rect.y1) dy = 1;
/* 移动文本框的位置 */
text_rect.x1 += dx; text_rect.x2 += dx;
text_rect.y1 += dy; text_rect.y2 += dy;
/* 绘图 */
rect = text_rect;
rect.x2 += 2; rect.y2 += 2;
rtgui_dc_blit(dc_buffer, NULL, dc, &rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
/*
* view的事件处理函数
*/
static rt_bool_t dc_buffer_event_handler(struct rtgui_object* object, rtgui_event_t *event)
{
struct rtgui_widget *widget = RTGUI_WIDGET(object);
/* 仅对PAINT事件进行处理 */
if (event->type == RTGUI_EVENT_PAINT)
{
struct rtgui_dc* dc;
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_container_event_handler(object, event);
/* 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_CONTAINER(widget), &rect);
rect.x1 += 10;
rect.y1 += 10;
rtgui_dc_blit(dc_buffer, NULL, dc, &rect);
/* 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(object, 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;
}
