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drawpad.c
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drawpad.c
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/*
* File : drawpad.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-08-11 aozima first version
*/
#include "drawpad.h"
static rtgui_view_t* drawpad_view;
rtgui_point_t temp_point;
rt_int8_t gesture[10] ;
const char* gesture_char[9] = {"兑", "乾", "巽", "离", "中", "坎", "震", "坤", "艮"} ;
static rt_bool_t view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
if (event->type == RTGUI_EVENT_PAINT)
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
//开始绘图
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL)
return RT_FALSE;
//得到位置
rtgui_widget_get_rect(widget, &rect);
/* fill background */
rtgui_dc_fill_rect(dc, &rect);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = red ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y1 , rect.x2 , rect.y1) ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y1 + (rect.y2 - rect.y1) / 3 , rect.x2 , rect.y1 + (rect.y2 - rect.y1) / 3) ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y1 + ((rect.y2 - rect.y1) / 3) * 2 , rect.x2 , (rect.y1 + (rect.y2 - rect.y1) / 3) * 2) ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y2 - 1 , rect.x2 , rect.y2 - 1) ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y1 , rect.x1 , rect.y2) ;
rtgui_dc_draw_line(dc , rect.x1 + (rect.x2 - rect.x1) / 3 , rect.y1 , rect.x1 + (rect.x2 - rect.x1) / 3 , rect.y2) ;
rtgui_dc_draw_line(dc , rect.x1 + ((rect.x2 - rect.x1) / 3) * 2 , rect.y1 , rect.x1 + ((rect.x2 - rect.x1) / 3) * 2 , rect.y2) ;
rtgui_dc_draw_line(dc , rect.x2 - 1 , rect.y1 , rect.x2 - 1 , rect.y2) ;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = white ;
rtgui_dc_end_drawing(dc);
return RT_FALSE;
}
else if (event->type == RTGUI_EVENT_MOUSE_BUTTON)
{
struct rtgui_rect rect , rect2 ;
struct rtgui_event_mouse* emouse;
struct rtgui_dc* dc;
int i , j ;
emouse = (struct rtgui_event_mouse*) event;
rtgui_widget_get_rect(widget, &rect);
dc = rtgui_dc_begin_drawing(widget);
if (emouse->button == (RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_UP))
{
rtgui_point_t temp_point;
//得到鼠标坐标
temp_point.x = emouse->x;
temp_point.y = emouse->y;
//坐标转接
rtgui_widget_point_to_logic(widget, &temp_point);
//画其周围画9个点
rtgui_dc_draw_color_point(dc, temp_point.x, temp_point.y, blue);
rtgui_dc_draw_color_point(dc, temp_point.x, temp_point.y - 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x, temp_point.y + 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x - 1, temp_point.y, blue);
rtgui_dc_draw_color_point(dc, temp_point.x + 1, temp_point.y, blue);
rtgui_dc_draw_color_point(dc, temp_point.x + 1, temp_point.y + 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x + 1, temp_point.y - 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x - 1, temp_point.y + 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x - 1, temp_point.y - 1, blue);
rt_kprintf("\n") ;
for (i = 0; i < gesture[9]; i++)
{
for (j = 0; j < 9; j++)
if (i == gesture[j])
{
rt_kprintf("%d= ", i) ;
rt_kprintf(gesture_char[j]) ;
rt_kprintf(" , ") ;
}
}
}
else if (emouse->button == (RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN))
{
int i ;
for (i = 0; i < 10 ; i++)
{
gesture[i] = 10 ;
}
gesture[9] = 0 ;
temp_point.x = emouse->x ;
temp_point.y = emouse->y ;
rtgui_widget_point_to_logic(widget, &temp_point);
rtgui_dc_fill_rect(dc, &rect);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = red ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y1 , rect.x2 , rect.y1) ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y1 + (rect.y2 - rect.y1) / 3 , rect.x2 , rect.y1 + (rect.y2 - rect.y1) / 3) ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y1 + ((rect.y2 - rect.y1) / 3) * 2 , rect.x2 , (rect.y1 + (rect.y2 - rect.y1) / 3) * 2) ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y2 - 1 , rect.x2 , rect.y2 - 1) ;
rtgui_dc_draw_line(dc , rect.x1 , rect.y1 , rect.x1 , rect.y2) ;
rtgui_dc_draw_line(dc , rect.x1 + (rect.x2 - rect.x1) / 3 , rect.y1 , rect.x1 + (rect.x2 - rect.x1) / 3 , rect.y2) ;
rtgui_dc_draw_line(dc , rect.x1 + ((rect.x2 - rect.x1) / 3) * 2 , rect.y1 , rect.x1 + ((rect.x2 - rect.x1) / 3) * 2 , rect.y2) ;
rtgui_dc_draw_line(dc , rect.x2 - 1 , rect.y1 , rect.x2 - 1 , rect.y2) ;
rtgui_dc_draw_color_point(dc, temp_point.x, temp_point.y, blue);
rtgui_dc_draw_color_point(dc, temp_point.x, temp_point.y - 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x, temp_point.y + 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x - 1, temp_point.y, blue);
rtgui_dc_draw_color_point(dc, temp_point.x + 1, temp_point.y, blue);
rtgui_dc_draw_color_point(dc, temp_point.x + 1, temp_point.y + 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x + 1, temp_point.y - 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x - 1, temp_point.y + 1, blue);
rtgui_dc_draw_color_point(dc, temp_point.x - 1, temp_point.y - 1, blue);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = green ;
gesture[(temp_point.y/((rect.y2-rect.y1)/3))*3 + (temp_point.x/((rect.x2-rect.x1)/3))] = gesture[9]++ ;
for (i = 0 ; i < 9 ; i++)
{
if (gesture[i] == (gesture[9] - 1))
{
rtgui_dc_draw_circle(dc, ((i % 3 * (rect.x2 - rect.x1) / 3)) + ((rect.x2 - rect.x1) / 6), ((i / 3 * (rect.y2 - rect.y1) / 3)) + ((rect.y2 - rect.y1) / 6) , 20) ;
}
}
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = white ;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = dark_grey ;
for (i = 0 ; i < 9 ; i++)
{
rect2.x1 = ((i % 3 * (rect.x2 - rect.x1) / 3)) + ((rect.x2 - rect.x1) / 6) - 8 ;
rect2.x2 = rect2.x1 + 16 ;
rect2.y1 = ((i / 3 * (rect.y2 - rect.y1) / 3)) + ((rect.y2 - rect.y1) / 6) - 8 ;
rect2.y2 = rect2.y1 + 16 ;
if (gesture[i] == (gesture[9] - 1))
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = RTGUI_RGB(0xff, 0xff, 0x00) ;
rtgui_dc_draw_text(dc, gesture_char[i], &rect2) ;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = dark_grey ;
}
else
{
rtgui_dc_draw_text(dc, gesture_char[i], &rect2) ;
}
}
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = white ;
}
else if (emouse->button == (RTGUI_MOUSE_BUTTON_RIGHT | RTGUI_MOUSE_BUTTON_DOWN))
{
rtgui_point_t temp2_point ;
int i ;
temp2_point.x = emouse->x ;
temp2_point.y = emouse->y ;
rtgui_widget_point_to_logic(widget, &temp2_point);
rtgui_dc_draw_line(dc , temp_point.x , temp_point.y , temp2_point.x , temp2_point.y) ;
temp_point.x = temp2_point.x ;
temp_point.y = temp2_point.y ;
if (gesture[(temp_point.y/((rect.y2-rect.y1)/3))*3 + (temp_point.x/((rect.x2-rect.x1)/3))] > 9)
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = green ;
gesture[(temp_point.y/((rect.y2-rect.y1)/3))*3 + (temp_point.x/((rect.x2-rect.x1)/3))] = gesture[9]++ ;
for (i = 0 ; i < 9 ; i++)
{
if (gesture[i] == (gesture[9] - 1))
{
rtgui_dc_draw_circle(dc, ((i % 3 * (rect.x2 - rect.x1) / 3)) + ((rect.x2 - rect.x1) / 6), ((i / 3 * (rect.y2 - rect.y1) / 3)) + ((rect.y2 - rect.y1) / 6) , 20) ;
}
}
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = white ;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = RTGUI_RGB(0xff, 0xff, 0x00) ;
for (i = 0 ; i < 9 ; i++)
{
if (gesture[i] == (gesture[9] - 1))
{
rect2.x1 = ((i % 3 * (rect.x2 - rect.x1) / 3)) + ((rect.x2 - rect.x1) / 6) - 8 ;
rect2.x2 = rect2.x1 + 16 ;
rect2.y1 = ((i / 3 * (rect.y2 - rect.y1) / 3)) + ((rect.y2 - rect.y1) / 6) - 8 ;
rect2.y2 = rect2.y1 + 16 ;
rtgui_dc_draw_text(dc, gesture_char[i], &rect2) ;
}
}
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = white ;
}
}
rtgui_dc_end_drawing(dc);
return RT_TRUE;
}
else if (event->type == RTGUI_EVENT_KBD)
{
struct rtgui_event_kbd* ekbd;
ekbd = (struct rtgui_event_kbd*) event;
if (ekbd->type == RTGUI_KEYDOWN && ekbd->key == RTGUIK_RETURN)
{
rtgui_view_t* view;
rtgui_workbench_t* workbench;
/* remove view in workbench */
view = RTGUI_VIEW(widget);
workbench = RTGUI_WORKBENCH(RTGUI_WIDGET(view)->parent);
rtgui_workbench_remove_view(workbench, view);
rtgui_view_destroy(view);
return RT_TRUE;
}
return RT_FALSE;
}
return rtgui_view_event_handler(widget, event);
}
void function_sketchpad(rtgui_workbench_t* father_workbench)
{
drawpad_view = rtgui_view_create("sketchpad_view");
/* 指定视图的背景色 */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(drawpad_view)) = black;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(drawpad_view)) = white ;
/* this view can be focused */
RTGUI_WIDGET(drawpad_view)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
//设置服务函数
rtgui_widget_set_event_handler(RTGUI_WIDGET(drawpad_view), view_event_handler);
/* 添加到父workbench中 */
rtgui_workbench_add_view(father_workbench, drawpad_view);
/* 非模式方式显示视图 */
rtgui_view_show(drawpad_view, RT_FALSE);
}