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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@850 bbd45198-f89e-11dd-88c7-29a3b14d5316

This commit is contained in:
bernard.xiong 2010-08-13 10:36:52 +00:00
parent b1218f8c39
commit 7e88b9cfcf
1 changed files with 30 additions and 3 deletions
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33
examples/gui/demo_view_benchmark.c
View File

@ -3,6 +3,33 @@
#include <rtgui/widgets/view.h>
#include "demo_view.h"
#define RAND(x1, x2) (rand() % ((x2 - x1) + x1))
void _onidle(rtgui_widget_t* widget, rtgui_event_t *event)
{
rtgui_color_t color;
rtgui_rect_t rect, draw_rect;
/* 获得控件所属的DC */
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL) return ;
demo_view_get_rect(RTGUI_VIEW(widget), &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);
RTGUI_RGB_R(color) = rand() % 255;
RTGUI_RGB_G(color) = rand() % 255;
RTGUI_RGB_B(color) = rand() % 255;
rtgui_dc_fill_rect(dc, &rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
rt_bool_t benchmark_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
{
if (event->type == RTGUI_EVENT_PAINT)
@ -24,9 +51,6 @@ rt_bool_t benchmark_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
/* 擦除所有 */
rtgui_dc_fill_rect(dc, &rect);
/* 绘图 */
rtgui_dc_draw_text(dc, "飞线乱飞", &text_rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
@ -43,9 +67,12 @@ rtgui_view_t *demo_view_benchmark(rtgui_workbench_t* workbench)
{
rtgui_view_t *view;
srand(100);
view = demo_view(workbench, "绘图测试");
if (view != RT_NULL)
rtgui_widget_set_event_handler(RTGUI_WIDGET(view), benchmark_event_handler);
rtgui_thread_set_onidle(_onidle);
return view;
}