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add benchmark example. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@855 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2010-08-16 00:03:51 +00:00
parent a76596f987
commit 0c1c732cb8
1 changed files with 22 additions and 20 deletions
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42
examples/gui/demo_view_benchmark.c
View File

@ -1,32 +1,35 @@
#include <rtgui/dc.h>
#include <rtgui/dc_hw.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/widgets/view.h>
#include "demo_view.h"
#define RAND(x1, x2) (rand() % ((x2 - x1) + x1))
#define RAND(x1, x2) ((rand() % (x2 - x1)) + x1)
static rtgui_view_t* view = RT_NULL;
void _onidle(rtgui_widget_t* widget, 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_begin_drawing(widget);
/* 获得控件所属的DC */
// dc = rtgui_dc_hw_create(RTGUI_WIDGET(view));
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
if (dc == RT_NULL) return ;
demo_view_get_rect(RTGUI_VIEW(widget), &rect);
demo_view_get_rect(RTGUI_VIEW(view), &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;
color = RTGUI_RGB(rand() % 255, rand() % 255, rand() % 255);
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(view)) = color;
rtgui_dc_fill_rect(dc, &rect);
rtgui_dc_fill_rect(dc, &draw_rect);
/* 绘图完成 */
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
@ -37,26 +40,26 @@ rt_bool_t benchmark_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
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 */
/* 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 */
/* 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） */
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 */
/* 获得demo view允许绘图的区域 */
demo_view_get_rect(RTGUI_VIEW(widget), &rect);
/* 擦除所有 */
/* 擦除所有 */
rtgui_dc_fill_rect(dc, &rect);
/* 绘图完成 */
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
else
{
/* 调用默认的事件处理函数 */
/* 调用默认的事件处理函数 */
return rtgui_view_event_handler(widget, event);
}
@ -65,12 +68,11 @@ rt_bool_t benchmark_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
rtgui_view_t *demo_view_benchmark(rtgui_workbench_t* workbench)
{
rtgui_view_t *view;
// 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);
view = demo_view(workbench, "绘图测试");
rtgui_widget_set_event_handler(RTGUI_WIDGET(view), benchmark_event_handler);
rtgui_thread_set_onidle(_onidle);