diff options
| author | [email protected] <[email protected]> | 2010-07-04 23:59:45 +0000 |
|---|---|---|
| committer | [email protected] <[email protected]> | 2010-07-04 23:59:45 +0000 |
| commit | acd60974442fda6d6782a8974ff60415e69d50a6 (patch) | |
| tree | 82fabf59916c0dc0fa38571f96195079f7a079ee /examples | |
| parent | b25f307b9b94918da883ba083ea4b1c33807719d (diff) | |
update DC example.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@788 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/gui/demo_view_benchmark.c | 51 | ||||
| -rw-r--r-- | examples/gui/demo_view_dc.c | 16 |
2 files changed, 67 insertions, 0 deletions
diff --git a/examples/gui/demo_view_benchmark.c b/examples/gui/demo_view_benchmark.c new file mode 100644 index 0000000000..89a5684d2b --- /dev/null +++ b/examples/gui/demo_view_benchmark.c @@ -0,0 +1,51 @@ +#include <rtgui/dc.h>
+#include <rtgui/rtgui_system.h>
+#include <rtgui/widgets/view.h>
+#include "demo_view.h"
+
+rt_bool_t benchmark_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_rect(RTGUI_VIEW(widget), &rect);
+
+ /* 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);
+ }
+ else
+ {
+ /* 调用默认的事件处理函数 */
+ return rtgui_view_event_handler(widget, event);
+ }
+
+ return RT_FALSE;
+}
+
+rtgui_view_t *demo_view_benchmark(rtgui_workbench_t* workbench)
+{
+ rtgui_view_t *view;
+
+ view = demo_view(workbench, "绘图测试");
+ if (view != RT_NULL)
+ rtgui_widget_set_event_handler(RTGUI_WIDGET(view), benchmark_event_handler);
+
+ return view;
+}
diff --git a/examples/gui/demo_view_dc.c b/examples/gui/demo_view_dc.c index f5407cdeb4..233258c258 100644 --- a/examples/gui/demo_view_dc.c +++ b/examples/gui/demo_view_dc.c @@ -9,6 +9,12 @@ #include <rtgui/rtgui_system.h>
#include <rtgui/widgets/label.h>
#include <rtgui/widgets/slider.h>
+#include <rtgui/image_hdc.h>
+
+#include "play.hdh"
+#include "stop.hdh"
+struct rtgui_image_hdcmm play_image = RTGUI_IMAGE_HDC_DEF(2, 0x1c, 0x16, play_hdh);
+struct rtgui_image_hdcmm stop_image = RTGUI_IMAGE_HDC_DEF(2, 0x1c, 0x16, stop_hdh);
/*
* view���¼���������
@@ -50,6 +56,16 @@ rt_bool_t dc_event_handler(rtgui_widget_t* widget, rtgui_event_t *event) rtgui_dc_draw_text(dc, "RT-Thread/GUI���汾", &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);
+ }
/* ����һ��Բ�� */
RTGUI_DC_FC(dc) = red;
rtgui_dc_draw_circle(dc, rect.x1 + 10, rect.y1 + 10, 10);
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