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Commit | Line | Data |
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1 | ||
2 | import wx | |
3 | ||
4 | try: | |
5 | from wx import glcanvas | |
6 | haveGLCanvas = True | |
7 | except ImportError: | |
8 | haveGLCanvas = False | |
9 | ||
10 | try: | |
11 | # The Python OpenGL package can be found at | |
12 | # http://PyOpenGL.sourceforge.net/ | |
13 | from OpenGL.GL import * | |
14 | from OpenGL.GLUT import * | |
15 | haveOpenGL = True | |
16 | except ImportError: | |
17 | haveOpenGL = False | |
18 | ||
19 | #---------------------------------------------------------------------- | |
20 | ||
21 | ||
22 | buttonDefs = { | |
23 | wx.NewId() : ('CubeCanvas', 'Cube'), | |
24 | wx.NewId() : ('ConeCanvas', 'Cone'), | |
25 | } | |
26 | ||
27 | class ButtonPanel(wx.Panel): | |
28 | def __init__(self, parent, log): | |
29 | wx.Panel.__init__(self, parent, -1) | |
30 | self.log = log | |
31 | ||
32 | box = wx.BoxSizer(wx.VERTICAL) | |
33 | box.Add((20, 30)) | |
34 | keys = buttonDefs.keys() | |
35 | keys.sort() | |
36 | for k in keys: | |
37 | text = buttonDefs[k][1] | |
38 | btn = wx.Button(self, k, text) | |
39 | box.Add(btn, 0, wx.ALIGN_CENTER|wx.ALL, 15) | |
40 | self.Bind(wx.EVT_BUTTON, self.OnButton, btn) | |
41 | ||
42 | #** Enable this to show putting a GLCanvas on the wx.Panel | |
43 | if 0: | |
44 | c = CubeCanvas(self) | |
45 | c.SetSize((200, 200)) | |
46 | box.Add(c, 0, wx.ALIGN_CENTER|wx.ALL, 15) | |
47 | ||
48 | self.SetAutoLayout(True) | |
49 | self.SetSizer(box) | |
50 | ||
51 | ||
52 | def OnButton(self, evt): | |
53 | if not haveGLCanvas: | |
54 | dlg = wx.MessageDialog(self, | |
55 | 'The GLCanvas class has not been included with this build of wxPython!', | |
56 | 'Sorry', wx.OK | wx.ICON_INFORMATION) | |
57 | dlg.ShowModal() | |
58 | dlg.Destroy() | |
59 | ||
60 | elif not haveOpenGL: | |
61 | dlg = wx.MessageDialog(self, | |
62 | 'The OpenGL package was not found. You can get it at\n' | |
63 | 'http://PyOpenGL.sourceforge.net/', | |
64 | 'Sorry', wx.OK | wx.ICON_INFORMATION) | |
65 | dlg.ShowModal() | |
66 | dlg.Destroy() | |
67 | ||
68 | else: | |
69 | canvasClassName = buttonDefs[evt.GetId()][0] | |
70 | canvasClass = eval(canvasClassName) | |
71 | frame = wx.Frame(None, -1, canvasClassName, size=(400,400)) | |
72 | canvas = canvasClass(frame) | |
73 | frame.Show(True) | |
74 | ||
75 | ||
76 | class MyCanvasBase(glcanvas.GLCanvas): | |
77 | def __init__(self, parent): | |
78 | glcanvas.GLCanvas.__init__(self, parent, -1) | |
79 | self.init = False | |
80 | # initial mouse position | |
81 | self.lastx = self.x = 30 | |
82 | self.lasty = self.y = 30 | |
83 | self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground) | |
84 | self.Bind(wx.EVT_SIZE, self.OnSize) | |
85 | self.Bind(wx.EVT_PAINT, self.OnPaint) | |
86 | self.Bind(wx.EVT_LEFT_DOWN, self.OnMouseDown) | |
87 | self.Bind(wx.EVT_LEFT_UP, self.OnMouseUp) | |
88 | self.Bind(wx.EVT_MOTION, self.OnMouseMotion) | |
89 | ||
90 | ||
91 | def OnEraseBackground(self, event): | |
92 | pass # Do nothing, to avoid flashing on MSW. | |
93 | ||
94 | ||
95 | def OnSize(self, event): | |
96 | size = self.GetClientSize() | |
97 | if self.GetContext(): | |
98 | self.SetCurrent() | |
99 | glViewport(0, 0, size.width, size.height) | |
100 | event.Skip() | |
101 | ||
102 | ||
103 | def OnPaint(self, event): | |
104 | dc = wx.PaintDC(self) | |
105 | self.SetCurrent() | |
106 | if not self.init: | |
107 | self.InitGL() | |
108 | self.init = True | |
109 | self.OnDraw() | |
110 | ||
111 | ||
112 | def OnMouseDown(self, evt): | |
113 | self.CaptureMouse() | |
114 | ||
115 | ||
116 | def OnMouseUp(self, evt): | |
117 | self.ReleaseMouse() | |
118 | ||
119 | ||
120 | def OnMouseMotion(self, evt): | |
121 | if evt.Dragging() and evt.LeftIsDown(): | |
122 | self.x, self.y = self.lastx, self.lasty | |
123 | self.x, self.y = evt.GetPosition() | |
124 | self.Refresh(False) | |
125 | ||
126 | ||
127 | ||
128 | ||
129 | class CubeCanvas(MyCanvasBase): | |
130 | def InitGL(self): | |
131 | # set viewing projection | |
132 | glMatrixMode(GL_PROJECTION); | |
133 | glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0); | |
134 | ||
135 | # position viewer | |
136 | glMatrixMode(GL_MODELVIEW); | |
137 | glTranslatef(0.0, 0.0, -2.0); | |
138 | ||
139 | # position object | |
140 | glRotatef(self.y, 1.0, 0.0, 0.0); | |
141 | glRotatef(self.x, 0.0, 1.0, 0.0); | |
142 | ||
143 | glEnable(GL_DEPTH_TEST); | |
144 | glEnable(GL_LIGHTING); | |
145 | glEnable(GL_LIGHT0); | |
146 | ||
147 | ||
148 | def OnDraw(self): | |
149 | # clear color and depth buffers | |
150 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
151 | ||
152 | # draw six faces of a cube | |
153 | glBegin(GL_QUADS) | |
154 | glNormal3f( 0.0, 0.0, 1.0) | |
155 | glVertex3f( 0.5, 0.5, 0.5) | |
156 | glVertex3f(-0.5, 0.5, 0.5) | |
157 | glVertex3f(-0.5,-0.5, 0.5) | |
158 | glVertex3f( 0.5,-0.5, 0.5) | |
159 | ||
160 | glNormal3f( 0.0, 0.0,-1.0) | |
161 | glVertex3f(-0.5,-0.5,-0.5) | |
162 | glVertex3f(-0.5, 0.5,-0.5) | |
163 | glVertex3f( 0.5, 0.5,-0.5) | |
164 | glVertex3f( 0.5,-0.5,-0.5) | |
165 | ||
166 | glNormal3f( 0.0, 1.0, 0.0) | |
167 | glVertex3f( 0.5, 0.5, 0.5) | |
168 | glVertex3f( 0.5, 0.5,-0.5) | |
169 | glVertex3f(-0.5, 0.5,-0.5) | |
170 | glVertex3f(-0.5, 0.5, 0.5) | |
171 | ||
172 | glNormal3f( 0.0,-1.0, 0.0) | |
173 | glVertex3f(-0.5,-0.5,-0.5) | |
174 | glVertex3f( 0.5,-0.5,-0.5) | |
175 | glVertex3f( 0.5,-0.5, 0.5) | |
176 | glVertex3f(-0.5,-0.5, 0.5) | |
177 | ||
178 | glNormal3f( 1.0, 0.0, 0.0) | |
179 | glVertex3f( 0.5, 0.5, 0.5) | |
180 | glVertex3f( 0.5,-0.5, 0.5) | |
181 | glVertex3f( 0.5,-0.5,-0.5) | |
182 | glVertex3f( 0.5, 0.5,-0.5) | |
183 | ||
184 | glNormal3f(-1.0, 0.0, 0.0) | |
185 | glVertex3f(-0.5,-0.5,-0.5) | |
186 | glVertex3f(-0.5,-0.5, 0.5) | |
187 | glVertex3f(-0.5, 0.5, 0.5) | |
188 | glVertex3f(-0.5, 0.5,-0.5) | |
189 | glEnd() | |
190 | ||
191 | glRotatef((self.lasty - self.y)/100., 1.0, 0.0, 0.0); | |
192 | glRotatef((self.lastx - self.x)/100., 0.0, 1.0, 0.0); | |
193 | ||
194 | self.SwapBuffers() | |
195 | ||
196 | ||
197 | ||
198 | ||
199 | ||
200 | class ConeCanvas(MyCanvasBase): | |
201 | def InitGL( self ): | |
202 | glMatrixMode(GL_PROJECTION); | |
203 | # camera frustrum setup | |
204 | glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0); | |
205 | glMaterial(GL_FRONT, GL_AMBIENT, [0.2, 0.2, 0.2, 1.0]) | |
206 | glMaterial(GL_FRONT, GL_DIFFUSE, [0.8, 0.8, 0.8, 1.0]) | |
207 | glMaterial(GL_FRONT, GL_SPECULAR, [1.0, 0.0, 1.0, 1.0]) | |
208 | glMaterial(GL_FRONT, GL_SHININESS, 50.0) | |
209 | glLight(GL_LIGHT0, GL_AMBIENT, [0.0, 1.0, 0.0, 1.0]) | |
210 | glLight(GL_LIGHT0, GL_DIFFUSE, [1.0, 1.0, 1.0, 1.0]) | |
211 | glLight(GL_LIGHT0, GL_SPECULAR, [1.0, 1.0, 1.0, 1.0]) | |
212 | glLight(GL_LIGHT0, GL_POSITION, [1.0, 1.0, 1.0, 0.0]); | |
213 | glLightModel(GL_LIGHT_MODEL_AMBIENT, [0.2, 0.2, 0.2, 1.0]) | |
214 | glEnable(GL_LIGHTING) | |
215 | glEnable(GL_LIGHT0) | |
216 | glDepthFunc(GL_LESS) | |
217 | glEnable(GL_DEPTH_TEST) | |
218 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) | |
219 | # position viewer | |
220 | glMatrixMode(GL_MODELVIEW); | |
221 | ||
222 | ||
223 | def OnDraw(self): | |
224 | # clear color and depth buffers | |
225 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
226 | # use a fresh transformation matrix | |
227 | glPushMatrix() | |
228 | # position object | |
229 | glTranslate(0.0, 0.0, -2.0); | |
230 | glRotate(30.0, 1.0, 0.0, 0.0); | |
231 | glRotate(30.0, 0.0, 1.0, 0.0); | |
232 | ||
233 | glTranslate(0, -1, 0) | |
234 | glRotate(250, 1, 0, 0) | |
235 | glutSolidCone(0.5, 1, 30, 5) | |
236 | glPopMatrix() | |
237 | glRotatef((self.lasty - self.y)/100., 0.0, 0.0, 1.0); | |
238 | glRotatef(0.0, (self.lastx - self.x)/100., 1.0, 0.0); | |
239 | # push into visible buffer | |
240 | self.SwapBuffers() | |
241 | ||
242 | ||
243 | ||
244 | ||
245 | #---------------------------------------------------------------------- | |
246 | ||
247 | ||
248 | def runTest(frame, nb, log): | |
249 | win = ButtonPanel(nb, log) | |
250 | return win | |
251 | ||
252 | ||
253 | ||
254 | ||
255 | ||
256 | ||
257 | overview = """\ | |
258 | """ | |
259 | ||
260 | ||
261 | ||
262 | if __name__ == '__main__': | |
263 | import sys,os | |
264 | import run | |
265 | run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:]) | |
266 | ||
267 | ||
268 | ||
269 | ||
270 | #---------------------------------------------------------------------- | |
271 |