112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
#include <rtgui/dc.h>
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#include <rtgui/dc_hw.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/widgets/container.h>
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#include "demo_view.h"
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#define RAND(x1, x2) ((rand() % (x2 - x1)) + x1)
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static struct rtgui_container *container = RT_NULL;
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static int running = 0;
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void _onidle(struct rtgui_object *object, rtgui_event_t *event)
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{
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rtgui_color_t color;
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rtgui_rect_t rect, draw_rect;
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struct rtgui_dc *dc;
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/* 获得控件所属的DC */
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// dc = rtgui_dc_hw_create(RTGUI_WIDGET(container));
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dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(container));
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if (dc == RT_NULL)
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return;
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demo_view_get_logic_rect(RTGUI_CONTAINER(container), &rect);
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draw_rect.x1 = RAND(rect.x1, rect.x2);
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draw_rect.y1 = RAND(rect.y1, rect.y2);
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draw_rect.x2 = RAND(draw_rect.x1, rect.x2);
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draw_rect.y2 = RAND(draw_rect.y1, rect.y2);
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color = RTGUI_RGB(rand() % 255, rand() % 255, rand() % 255);
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RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(container)) = color;
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rtgui_dc_fill_rect(dc, &draw_rect);
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/* 绘图完成 */
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rtgui_dc_end_drawing(dc);
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}
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void _draw_default(struct rtgui_object *object, rtgui_event_t* event)
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{
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struct rtgui_widget *widget = RTGUI_WIDGET(object);
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struct rtgui_dc* dc;
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rtgui_rect_t rect;
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/* 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 */
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rtgui_container_event_handler(object, event);
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/* 获得控件所属的DC */
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dc = rtgui_dc_begin_drawing(widget);
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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） */
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return;
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/* 获得demo container允许绘图的区域 */
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demo_view_get_logic_rect(RTGUI_CONTAINER(widget), &rect);
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/* 擦除所有 */
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RTGUI_WIDGET_BACKGROUND(widget) = default_background;
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rtgui_dc_fill_rect(dc, &rect);
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/* 显示提示 */
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rtgui_dc_draw_text(dc, "按任意键开始/停止测试...", &rect);
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/* 绘图完成 */
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rtgui_dc_end_drawing(dc);
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}
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rt_bool_t benchmark_event_handler(struct rtgui_object *object, rtgui_event_t *event)
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{
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if (event->type == RTGUI_EVENT_PAINT)
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{
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_draw_default(object, event);
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}
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else if (event->type == RTGUI_EVENT_KBD)
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{
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struct rtgui_event_kbd *kbd = (struct rtgui_event_kbd*)event;
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if (RTGUI_KBD_IS_UP(kbd))
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{
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if (running)
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{
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/* stop */
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rtgui_application_set_onidle(RT_NULL);
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_draw_default(object, event);
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}
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else
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{
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/* run */
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rtgui_application_set_onidle(_onidle);
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}
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running = !running;
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}
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return RT_TRUE;
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}
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else
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{
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/* 调用默认的事件处理函数 */
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return rtgui_container_event_handler(object, event);
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}
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return RT_FALSE;
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}
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rtgui_container_t *demo_view_benchmark(void)
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{
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srand(100);
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container = demo_view("绘图测试");
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rtgui_object_set_event_handler(RTGUI_OBJECT(container), benchmark_event_handler);
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return container;
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}
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