/* * container的事件处理函数 */ rt_bool_t instrument_panel_event_handler(struct rtgui_object *object, rtgui_event_t *event) { struct rtgui_widget *widget = RTGUI_WIDGET(object); char ac[4]; int i; int x0 = 120; int y0 = 170; int x, y; int default_color; /* 仅对PAINT事件进行处理 */ if (event->type == RTGUI_EVENT_PAINT) { struct rtgui_dc *dc; rtgui_rect_t rect; const int arrowx[] = {120 + 75, 120 + 75, 120 + 85}; const int arrowy[] = {170 - 5, 170 + 5, 170}; /* * 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 */ rtgui_container_event_handler(RTGUI_OBJECT(widget), event); /************************************************************************/ /* 下面的是DC的操作 */ /************************************************************************/ /* 获得控件所属的DC */ dc = rtgui_dc_begin_drawing(widget); /* 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) return RT_FALSE; /* 获得demo container允许绘图的区域 */ demo_view_get_rect(RTGUI_CONTAINER(widget), &rect); RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_BOTTOM | RTGUI_ALIGN_CENTER_HORIZONTAL; /* 显示GUI的版本信息 */ #ifdef RTGUI_USING_SMALL_SIZE rtgui_dc_draw_text(dc, "RT-Thread/GUI小型版本", &rect); #else rtgui_dc_draw_text(dc, "RT-Thread/GUI标准版本", &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; rt_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; rt_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); /* 绘图完成 */ rtgui_dc_end_drawing(dc); } else { /* 其他事件,调用默认的事件处理函数 */ return rtgui_container_event_handler(RTGUI_OBJECT(widget), event); } return RT_FALSE; }
/* * view的事件处理函数 */ rt_bool_t dc_event_handler(rtgui_widget_t* widget, rtgui_event_t *event) { /* 仅对PAINT事件进行处理 */ if (event->type == RTGUI_EVENT_PAINT) { struct rtgui_dc* dc; rtgui_rect_t rect; /* const int vx[] = {20, 50, 60, 45, 60, 20}; const int vy[] = {150, 50, 90, 60, 45, 50}; */ /* * 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); /************************************************************************/ /* 下面的是DC的操作 */ /************************************************************************/ /* 获得控件所属的DC */ dc = rtgui_dc_begin_drawing(widget); /* 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) return RT_FALSE; /* 获得demo view允许绘图的区域 */ demo_view_get_logic_rect(RTGUI_VIEW(widget), &rect); RTGUI_DC_TEXTALIGN(dc) = RTGUI_ALIGN_BOTTOM | RTGUI_ALIGN_CENTER_HORIZONTAL; /* 显示GUI的版本信息 */ #ifdef RTGUI_USING_SMALL_SIZE rtgui_dc_draw_text(dc, "RT-Thread/GUI小型版本", &rect); #else rtgui_dc_draw_text(dc, "RT-Thread/GUI标准版本", &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); } /* 绘制一个圆形 */ RTGUI_DC_FC(dc) = red; rtgui_dc_draw_circle(dc, rect.x1 + 10, rect.y1 + 10, 10); /* 填充一个圆形 */ RTGUI_DC_FC(dc) = green; rtgui_dc_fill_circle(dc, rect.x1 + 30, rect.y1 + 10, 10); #if 0 /* 画一个圆角矩形 */ rect.x1 = 150; rect.y1 = 180; rect.x2 = 210; rect.y2 = 260; RTGUI_DC_FC(dc) = RTGUI_RGB(25, 70, 150); rtgui_dc_draw_round_rect(dc, &rect, 10); rect.x1 = 160; rect.y1 = 190; rect.x2 = 200; rect.y2 = 250; RTGUI_DC_FC(dc) = RTGUI_RGB(170, 7, 80); rtgui_dc_fill_round_rect(dc, &rect, 7); /* 画一个圆弧 */ RTGUI_DC_FC(dc) = RTGUI_RGB(250, 120, 120); rtgui_dc_draw_arc(dc, rect.x1 + 120, rect.y1 + 60, 30, 0, 120); /* 画一个扇形圆环 */ RTGUI_DC_FC(dc) = RTGUI_RGB(150, 23, 100); rtgui_dc_draw_annulus(dc, 180, 170, 30, 50, 210, 330); /* 多边形 */ RTGUI_DC_FC(dc) = blue; rtgui_dc_draw_polygon(dc, vx, vy, 6); #endif RTGUI_DC_FC(dc) = blue; /* 绘制不同的边框 */ { rtgui_rect_t rect = {0, 0, 16, 16}; rtgui_rect_moveto(&rect, 30, 120); rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_RAISE); rect.x1 += 20; rect.x2 += 20 + 50; rtgui_dc_draw_text(dc, "raise", &rect); rect.x1 -= 20; rect.x2 -= 20 + 50; rect.y1 += 20; rect.y2 += 20; rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SIMPLE); rect.x1 += 20; rect.x2 += 20 + 50; rtgui_dc_draw_text(dc, "simple", &rect); rect.x1 -= 20; rect.x2 -= 20 + 50; rect.y1 += 20; rect.y2 += 20; rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN); rect.x1 += 20; rect.x2 += 20 + 50; rtgui_dc_draw_text(dc, "sunken", &rect); rect.x1 -= 20; rect.x2 -= 20 + 50; rect.y1 += 20; rect.y2 += 20; rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_BOX); rect.x1 += 20; rect.x2 += 20 + 50; rtgui_dc_draw_text(dc, "box", &rect); rect.x1 -= 20; rect.x2 -= 20 + 50; rect.y1 += 20; rect.y2 += 20; rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_STATIC); rect.x1 += 20; rect.x2 += 20 + 50; rtgui_dc_draw_text(dc, "static", &rect); rect.x1 -= 20; rect.x2 -= 20 + 50; rect.y1 += 20; rect.y2 += 20; rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_EXTRA); rect.x1 += 20; rect.x2 += 20 + 50; rtgui_dc_draw_text(dc, "extera", &rect); rect.x1 -= 20; rect.x2 -= 20 + 50; rect.y1 += 20; rect.y2 += 20; } /* 绘图完成 */ rtgui_dc_end_drawing(dc); } else { /* 其他事件,调用默认的事件处理函数 */ return rtgui_view_event_handler(widget, event); } return RT_FALSE; }