wxPython - wx.lib.ogl - 移动画布上的内容

本作品采用知识共享署名-非商业性使用-相同方式共享 3.0 Unported许可协议进行许可。允许非商业转载，但应注明作者及出处。

作者：liuyuan_jq

2011-04-10

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#!/usr/bin/env python
# -*- coding:utf-8 -*-
import wx
import wx.lib.ogl as ogl
 
class MyFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__( self, None, wx.ID_ANY,
            title="explore wx.lib.ogl", size=(400,300))
        # 创建画布
        canvas = ogl.ShapeCanvas(self)
        canvas.SetBackgroundColour("yellow")
 
        # 创建图像
        diagram = ogl.Diagram()
        # marry the two ...
        canvas.SetDiagram(diagram)
        diagram.SetCanvas(canvas)
 
        # 创建圆
        # create some standard shapes ...
        # (check how creation order affects overlap)
        circle = ogl.CircleShape(100.0) # radius
        circle.SetX(75.0)  # center x
        circle.SetY(75.0)
        circle.SetPen(wx.RED_PEN)
        circle.SetBrush(wx.CYAN_BRUSH)
        # 将圆添加到画布
        canvas.AddShape(circle)
        # 创建文本
        text = ogl.TextShape(250, 30)  # (w, h)
        text.SetX(180)  # center x
        text.SetY(240)
        text.AddText("you can drag the circle or the text")
        # 将文本添加到画布
        canvas.AddShape(text)
        # 显示画布上的内容
        diagram.ShowAll(True)
        # 创建sizer
        # use v box sizer
        sizer = wx.BoxSizer(wx.VERTICAL)
        # 将画布添加到sizer
        # canvas will grow as frame is stretched
        sizer.Add(canvas, 1, wx.GROW)
        # 设置sizer
        self.SetSizer(sizer)
 
 
app = wx.App()
ogl.OGLInitialize()
MyFrame().Show()
app.MainLoop()