78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
|
/*
|
|||
|
|
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>嵥<EFBFBD><EFBFBD>DC Buffer<EFBFBD><EFBFBD>ʾ
|
|||
|
|
*
|
|||
|
|
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӻ<EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>view<EFBFBD>Ͻ<EFBFBD><EFBFBD><EFBFBD>DC Buffer<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#include "demo_view.h"
|
|||
|
|
#include <rtgui/rtgui_system.h>
|
|||
|
|
#include <rtgui/widgets/label.h>
|
|||
|
|
#include <rtgui/widgets/slider.h>
|
|||
|
|
#include <rtgui/image.h>
|
|||
|
|
|
|||
|
|
static rtgui_image_t *background;
|
|||
|
|
static struct rtgui_dc *dc_buffer;
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* view<EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
*/
|
|||
|
|
static rt_bool_t dc_buffer_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
/* <20><><EFBFBD><EFBFBD>PAINT<4E>¼<EFBFBD><C2BC><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD> */
|
|||
|
|
if (event->type == RTGUI_EVENT_PAINT)
|
|||
|
|
{
|
|||
|
|
struct rtgui_dc* dc;
|
|||
|
|
rtgui_rect_t rect;
|
|||
|
|
rtgui_point_t point = {0, 0};
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* <EFBFBD><EFBFBD>Ϊ<EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD>demo view<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ֿؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD>ͼʱ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>demo view
|
|||
|
|
* <EFBFBD>Ȼ<EFBFBD>ͼ
|
|||
|
|
*/
|
|||
|
|
rtgui_view_event_handler(widget, event);
|
|||
|
|
|
|||
|
|
/* <20><><EFBFBD>ÿؼ<C3BF><D8BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DC */
|
|||
|
|
dc = rtgui_dc_begin_drawing(widget);
|
|||
|
|
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DC<44><43><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><D8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؼ<EFBFBD><D8BC>ؼ<F2B8B8BF><D8BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<D7B4><CCAC>DC<44>ǻ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ɹ<EFBFBD><C9B9>ģ<EFBFBD> */
|
|||
|
|
if (dc == RT_NULL)
|
|||
|
|
return RT_FALSE;
|
|||
|
|
|
|||
|
|
/* <20><><EFBFBD><EFBFBD>demo view<65><77><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
|
|||
|
|
demo_view_get_rect(RTGUI_VIEW(widget), &rect);
|
|||
|
|
|
|||
|
|
rtgui_dc_blit(dc_buffer, &point, dc, &rect);
|
|||
|
|
|
|||
|
|
/* <20><>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD> */
|
|||
|
|
rtgui_dc_end_drawing(dc);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
/* <20><><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĭ<EFBFBD>ϵ<EFBFBD><CFB5>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
|
|||
|
|
return rtgui_view_event_handler(widget, event);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return RT_FALSE;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DC Buffer<65><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD>ͼ */
|
|||
|
|
rtgui_view_t *demo_view_dc_buffer(rtgui_workbench_t* workbench)
|
|||
|
|
{
|
|||
|
|
rtgui_view_t *view;
|
|||
|
|
|
|||
|
|
if (dc_buffer == RT_NULL)
|
|||
|
|
{
|
|||
|
|
/* <20><><EFBFBD><EFBFBD> DC Buffer<65><72><EFBFBD><EFBFBD> 50<35><30><EFBFBD><EFBFBD> 50 */
|
|||
|
|
dc_buffer = rtgui_dc_buffer_create(50, 50);
|
|||
|
|
rtgui_dc_set_color(dc_buffer, blue);
|
|||
|
|
rtgui_dc_draw_circle(dc_buffer, 25, 25, 10);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
view = demo_view(workbench, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>DC<EFBFBD><EFBFBD>ʾ");
|
|||
|
|
if (view != RT_NULL)
|
|||
|
|
/* <20><><EFBFBD>ó<EFBFBD><C3B3>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
|
|||
|
|
rtgui_widget_set_event_handler(RTGUI_WIDGET(view), dc_buffer_event_handler);
|
|||
|
|
|
|||
|
|
return view;
|
|||
|
|
}
|