diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/gui/demo_view_instrument_panel.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/examples/gui/demo_view_instrument_panel.c b/examples/gui/demo_view_instrument_panel.c new file mode 100644 index 0000000000..bf9144db3e --- /dev/null +++ b/examples/gui/demo_view_instrument_panel.c @@ -0,0 +1,150 @@ +/* + * �����嵥��DC������ʾ + * + * ������ӻ��ڴ�������view�Ͻ���DC��������ʾ + */ + +#include "demo_view.h" +#include <rtgui/dc.h> +#include <rtgui/rtgui_system.h> +#include <rtgui/widgets/label.h> +#include <rtgui/widgets/slider.h> +#include <rtgui/image_hdc.h> +#include <math.h> + +/* + * view���¼��������� + */ +rt_bool_t instrument_panel_event_handler(rtgui_widget_t* widget, rtgui_event_t *event) +{ + char ac[4]; + int i; + int x0 = 120; + int y0 = 170; + int x, y; + int default_color; + + /* ����PAINT�¼����д��� */ + if (event->type == RTGUI_EVENT_PAINT) + { + struct rtgui_dc* dc; + rtgui_rect_t rect; + const int vx[] = {85, 85, 105, 105}; + const int vy[] = {60, 100, 100, 60}; + const int arrowx[] = {x0+75, x0+75, x0+85}; + const int arrowy[] = {y0-5, y0+5, y0}; + + /* + * ��Ϊ�õ���demo view�����汾����һ���ֿؼ��������ڻ�ͼʱ��Ҫ��demo view + * �Ȼ�ͼ + */ + rtgui_view_event_handler(widget, event); + + /************************************************************************/ + /* �������DC�IJ��� */ + /************************************************************************/ + + /* ��ÿؼ�������DC */ + dc = rtgui_dc_begin_drawing(widget); + /* ��������������DC�����أ�����ؼ��ؼ�������״̬��DC�ǻ�ȡ���ɹ��ģ� */ + if (dc == RT_NULL) + return RT_FALSE; + + /* ���demo view������ͼ������ */ + demo_view_get_rect(RTGUI_VIEW(widget), &rect); + + RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_BOTTOM | RTGUI_ALIGN_CENTER_HORIZONTAL; + /* ��ʾGUI�İ汾��Ϣ */ +#ifdef RTGUI_USING_SMALL_SIZE + rtgui_dc_draw_text(dc, "RT-Thread/GUIС�Ͱ汾", &rect); +#else + rtgui_dc_draw_text(dc, "RT-Thread/GUI���汾", &rect); +#endif + + + RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_CENTER_VERTICAL | RTGUI_ALIGN_CENTER_HORIZONTAL; + RTGUI_DC_FC(dc) = blue; + rect.y2 = 270; + rtgui_dc_draw_text(dc, "rtgui-panel", &rect); + + for(i = 0; i < 6; i++) + { + rtgui_dc_draw_arc(dc, x0, y0, 117-i, 150, 30); + } + + RTGUI_DC_FC(dc) = black; + + RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_LEFT; + for(i = 0; i <= 23; i++) + { + if(i < 12) + { + x = x0 + 105 * cos((150 + i * 10) * 3.1415926 / 180); + y = y0 + 105 * sin((150 + i * 10) * 3.1415926 / 180); + rect.x1 = x; + rect.y1 = y; + rect.x2 = rect.x1 + 12 * 3; + rect.y2 = rect.y1 + 12; + sprintf(ac, "%d", 10 * i); + rtgui_dc_draw_text(dc, ac, &rect); + } + else + { + RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_RIGHT; + + x = x0 + 105 * cos((160 + i * 10) * 3.1415926 / 180); + y = y0 + 105 * sin((160 + i * 10) * 3.1415926 / 180); + + rect.x1 = x - 12 * 3; + rect.y1 = y; + rect.x2 = rect.x1 + 12 * 3; + rect.y2 = rect.y1 + 12; + sprintf(ac, "%d", 10 * i); + rtgui_dc_draw_text(dc, ac, &rect); + } + + x = x0 + 107 * cos((150 + i * 10) * 3.1415926 / 180); + y = y0 + 107 * sin((150 + i * 10) * 3.1415926 / 180); + rtgui_dc_fill_circle(dc, x, y, 3); + } + RTGUI_DC_FC(dc) = RTGUI_RGB(166, 0, 166); + rtgui_dc_fill_circle(dc, x0, y0, 3); + RTGUI_DC_FC(dc) = RTGUI_RGB(120, 141, 30); + rtgui_dc_draw_circle(dc, x0, y0, 5); + + default_color = RTGUI_DC_BC(dc); + RTGUI_DC_BC(dc) = red; + rect.x1 = x0 + 7; + rect.y1 = y0 - 1; + rect.x2 = x0 + 75; + rect.y2 = y0 + 1; + rtgui_dc_fill_rect(dc, &rect); + + RTGUI_DC_BC(dc) = default_color; + + rtgui_dc_fill_polygon(dc, arrowx, arrowy, 3); + + /* ��ͼ��� */ + rtgui_dc_end_drawing(dc); + } + else + { + /* �����¼�������Ĭ�ϵ��¼��������� */ + return rtgui_view_event_handler(widget, event); + } + + return RT_FALSE; +} + +/* ��������DC������ʾ�õ���ͼ */ +rtgui_view_t *demo_view_instrument_panel(rtgui_workbench_t* workbench) +{ + rtgui_view_t *view; + + view = demo_view(workbench, "instrument panel Demo"); + if (view != RT_NULL) + /* ���ó��Լ����¼��������� */ + rtgui_widget_set_event_handler(RTGUI_WIDGET(view), instrument_panel_event_handler); + + return view; +} |