[wxWidgets.git] / wxPython / demo / GLCanvas.py


import wx

try:
    from wx import glcanvas
    haveGLCanvas = True
except ImportError:
    haveGLCanvas = False

try:
    # The Python OpenGL package can be found at
    # http://PyOpenGL.sourceforge.net/
    from OpenGL.GL import *
    from OpenGL.GLUT import *
    haveOpenGL = True
except ImportError:
    haveOpenGL = False

#----------------------------------------------------------------------


buttonDefs = {
    wx.NewId() : ('CubeCanvas',      'Cube'),
    wx.NewId() : ('ConeCanvas',      'Cone'),
    }

class ButtonPanel(wx.Panel):
    def __init__(self, parent, log):
        wx.Panel.__init__(self, parent, -1)
        self.log = log

        box = wx.BoxSizer(wx.VERTICAL)
        box.Add((20, 30))
        keys = buttonDefs.keys()
        keys.sort()
        for k in keys:
            text = buttonDefs[k][1]
            btn = wx.Button(self, k, text)
            box.Add(btn, 0, wx.ALIGN_CENTER|wx.ALL, 15)
            self.Bind(wx.EVT_BUTTON, self.OnButton, btn)

        #** Enable this to show putting a GLCanvas on the wx.Panel
        if 0:
            c = CubeCanvas(self)
            c.SetSize((200, 200))
            box.Add(c, 0, wx.ALIGN_CENTER|wx.ALL, 15)

        self.SetAutoLayout(True)
        self.SetSizer(box)


    def OnButton(self, evt):
        if not haveGLCanvas:
            dlg = wx.MessageDialog(self,
                                   'The GLCanvas class has not been included with this build of wxPython!',
                                   'Sorry', wx.OK | wx.ICON_WARNING)
            dlg.ShowModal()
            dlg.Destroy()

        elif not haveOpenGL:
            dlg = wx.MessageDialog(self,
                                   'The OpenGL package was not found.  You can get it at\n'
                                   'http://PyOpenGL.sourceforge.net/',
                                   'Sorry', wx.OK | wx.ICON_WARNING)
            dlg.ShowModal()
            dlg.Destroy()

        else:
            canvasClassName = buttonDefs[evt.GetId()][0]
            canvasClass = eval(canvasClassName)
            frame = wx.Frame(None, -1, canvasClassName, size=(400,400))
            canvas = canvasClass(frame)
            frame.Show(True)


class MyCanvasBase(glcanvas.GLCanvas):
    def __init__(self, parent):
        glcanvas.GLCanvas.__init__(self, parent, -1)
        self.init = False
        # initial mouse position
        self.lastx = self.x = 30
        self.lasty = self.y = 30
        self.size = None
        self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
        self.Bind(wx.EVT_SIZE, self.OnSize)
        self.Bind(wx.EVT_PAINT, self.OnPaint)
        self.Bind(wx.EVT_LEFT_DOWN, self.OnMouseDown)
        self.Bind(wx.EVT_LEFT_UP, self.OnMouseUp)
        self.Bind(wx.EVT_MOTION, self.OnMouseMotion)


    def OnEraseBackground(self, event):
        pass # Do nothing, to avoid flashing on MSW.


    def OnSize(self, event):
        size = self.size = self.GetClientSize()
        if self.GetContext():
            self.SetCurrent()
            glViewport(0, 0, size.width, size.height)
        event.Skip()


    def OnPaint(self, event):
        dc = wx.PaintDC(self)
        self.SetCurrent()
        if not self.init:
            self.InitGL()
            self.init = True
        self.OnDraw()


    def OnMouseDown(self, evt):
        self.CaptureMouse()
        self.x, self.y = self.lastx, self.lasty = evt.GetPosition()


    def OnMouseUp(self, evt):
        self.ReleaseMouse()


    def OnMouseMotion(self, evt):
        if evt.Dragging() and evt.LeftIsDown():
            self.lastx, self.lasty = self.x, self.y
            self.x, self.y = evt.GetPosition()
            self.Refresh(False)


class CubeCanvas(MyCanvasBase):
    def InitGL(self):
        # set viewing projection
        glMatrixMode(GL_PROJECTION)
        glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0)

        # position viewer
        glMatrixMode(GL_MODELVIEW)
        glTranslatef(0.0, 0.0, -2.0)

        # position object
        glRotatef(self.y, 1.0, 0.0, 0.0)
        glRotatef(self.x, 0.0, 1.0, 0.0)

        glEnable(GL_DEPTH_TEST)
        glEnable(GL_LIGHTING)
        glEnable(GL_LIGHT0)


    def OnDraw(self):
        # clear color and depth buffers
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)

        # draw six faces of a cube
        glBegin(GL_QUADS)
        glNormal3f( 0.0, 0.0, 1.0)
        glVertex3f( 0.5, 0.5, 0.5)
        glVertex3f(-0.5, 0.5, 0.5)
        glVertex3f(-0.5,-0.5, 0.5)
        glVertex3f( 0.5,-0.5, 0.5)

        glNormal3f( 0.0, 0.0,-1.0)
        glVertex3f(-0.5,-0.5,-0.5)
        glVertex3f(-0.5, 0.5,-0.5)
        glVertex3f( 0.5, 0.5,-0.5)
        glVertex3f( 0.5,-0.5,-0.5)

        glNormal3f( 0.0, 1.0, 0.0)
        glVertex3f( 0.5, 0.5, 0.5)
        glVertex3f( 0.5, 0.5,-0.5)
        glVertex3f(-0.5, 0.5,-0.5)
        glVertex3f(-0.5, 0.5, 0.5)

        glNormal3f( 0.0,-1.0, 0.0)
        glVertex3f(-0.5,-0.5,-0.5)
        glVertex3f( 0.5,-0.5,-0.5)
        glVertex3f( 0.5,-0.5, 0.5)
        glVertex3f(-0.5,-0.5, 0.5)

        glNormal3f( 1.0, 0.0, 0.0)
        glVertex3f( 0.5, 0.5, 0.5)
        glVertex3f( 0.5,-0.5, 0.5)
        glVertex3f( 0.5,-0.5,-0.5)
        glVertex3f( 0.5, 0.5,-0.5)

        glNormal3f(-1.0, 0.0, 0.0)
        glVertex3f(-0.5,-0.5,-0.5)
        glVertex3f(-0.5,-0.5, 0.5)
        glVertex3f(-0.5, 0.5, 0.5)
        glVertex3f(-0.5, 0.5,-0.5)
        glEnd()

        if self.size is None:
            self.size = self.GetClientSize()
        w, h = self.size
        w = max(w, 1.0)
        h = max(h, 1.0)
        xScale = 180.0 / w
        yScale = 180.0 / h
        glRotatef((self.y - self.lasty) * yScale, 1.0, 0.0, 0.0);
        glRotatef((self.x - self.lastx) * xScale, 0.0, 1.0, 0.0);

        self.SwapBuffers()


class ConeCanvas(MyCanvasBase):
    def InitGL( self ):
        glMatrixMode(GL_PROJECTION)
        # camera frustrum setup
        glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0)
        glMaterial(GL_FRONT, GL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
        glMaterial(GL_FRONT, GL_DIFFUSE, [0.8, 0.8, 0.8, 1.0])
        glMaterial(GL_FRONT, GL_SPECULAR, [1.0, 0.0, 1.0, 1.0])
        glMaterial(GL_FRONT, GL_SHININESS, 50.0)
        glLight(GL_LIGHT0, GL_AMBIENT, [0.0, 1.0, 0.0, 1.0])
        glLight(GL_LIGHT0, GL_DIFFUSE, [1.0, 1.0, 1.0, 1.0])
        glLight(GL_LIGHT0, GL_SPECULAR, [1.0, 1.0, 1.0, 1.0])
        glLight(GL_LIGHT0, GL_POSITION, [1.0, 1.0, 1.0, 0.0])
        glLightModel(GL_LIGHT_MODEL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
        glEnable(GL_LIGHTING)
        glEnable(GL_LIGHT0)
        glDepthFunc(GL_LESS)
        glEnable(GL_DEPTH_TEST)
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
        # position viewer
        glMatrixMode(GL_MODELVIEW)
        # position viewer
        glTranslatef(0.0, 0.0, -2.0);


    def OnDraw(self):
        # clear color and depth buffers
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
        # use a fresh transformation matrix
        glPushMatrix()
        # position object
        #glTranslate(0.0, 0.0, -2.0)
        glRotate(30.0, 1.0, 0.0, 0.0)
        glRotate(30.0, 0.0, 1.0, 0.0)

        glTranslate(0, -1, 0)
        glRotate(250, 1, 0, 0)
        glutSolidCone(0.5, 1, 30, 5)
        glPopMatrix()
        glRotatef((self.y - self.lasty), 0.0, 0.0, 1.0);
        glRotatef((self.x - self.lastx), 1.0, 0.0, 0.0);
        # push into visible buffer
        self.SwapBuffers()


#----------------------------------------------------------------------


def runTest(frame, nb, log):
    win = ButtonPanel(nb, log)
    return win


overview = """\
"""


if __name__ == '__main__':
    import sys,os
    import run
    run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])


#----------------------------------------------------------------------
Commit	Line	Data
8fa876ca	1
41378d34	2	import wx
8fa876ca	3
cf694132	4	try:
41378d34	5	from wx import glcanvas
1e4a197e	6	haveGLCanvas = True
cf694132	7	except ImportError:
1e4a197e	8	haveGLCanvas = False
cf694132	9
54b96882 RD	10	try:
54b96882 RD	11	# The Python OpenGL package can be found at
c368d904	12	# http://PyOpenGL.sourceforge.net/
41378d34 RD	13	from OpenGL.GL import *
41378d34 RD	14	from OpenGL.GLUT import *
1e4a197e	15	haveOpenGL = True
54b96882	16	except ImportError:
1e4a197e	17	haveOpenGL = False
54b96882	18
cf694132 RD	19	#----------------------------------------------------------------------
cf694132 RD	20
2e839e96 RD	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!',
c4ef95da	56	'Sorry', wx.OK \| wx.ICON_WARNING)
2e839e96 RD	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/',
c4ef95da	64	'Sorry', wx.OK \| wx.ICON_WARNING)
2e839e96 RD	65	dlg.ShowModal()
	66	dlg.Destroy()
	67
	68	else:
5b119149 RD	69	canvasClassName = buttonDefs[evt.GetId()][0]
5b119149 RD	70	canvasClass = eval(canvasClassName)
8fa876ca	71	frame = wx.Frame(None, -1, canvasClassName, size=(400,400))
5b119149	72	canvas = canvasClass(frame)
1e4a197e	73	frame.Show(True)
cf694132 RD	74
cf694132 RD	75
2e839e96 RD	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
02b800ce	83	self.size = None
2e839e96 RD	84	self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
	85	self.Bind(wx.EVT_SIZE, self.OnSize)
	86	self.Bind(wx.EVT_PAINT, self.OnPaint)
	87	self.Bind(wx.EVT_LEFT_DOWN, self.OnMouseDown)
	88	self.Bind(wx.EVT_LEFT_UP, self.OnMouseUp)
	89	self.Bind(wx.EVT_MOTION, self.OnMouseMotion)
d2103cf2	90
d2103cf2	91
2e839e96 RD	92	def OnEraseBackground(self, event):
2e839e96 RD	93	pass # Do nothing, to avoid flashing on MSW.
cf694132	94
d2103cf2	95
2e839e96	96	def OnSize(self, event):
02b800ce	97	size = self.size = self.GetClientSize()
2e839e96 RD	98	if self.GetContext():
	99	self.SetCurrent()
	100	glViewport(0, 0, size.width, size.height)
	101	event.Skip()
d58a80fa	102
cf694132	103
2e839e96 RD	104	def OnPaint(self, event):
	105	dc = wx.PaintDC(self)
	106	self.SetCurrent()
	107	if not self.init:
	108	self.InitGL()
	109	self.init = True
	110	self.OnDraw()
01f44840	111
cf694132	112
2e839e96 RD	113	def OnMouseDown(self, evt):
2e839e96 RD	114	self.CaptureMouse()
02b800ce	115	self.x, self.y = self.lastx, self.lasty = evt.GetPosition()
01f44840	116
cf694132	117
2e839e96 RD	118	def OnMouseUp(self, evt):
2e839e96 RD	119	self.ReleaseMouse()
5b119149	120
01f44840	121
2e839e96 RD	122	def OnMouseMotion(self, evt):
2e839e96 RD	123	if evt.Dragging() and evt.LeftIsDown():
02b800ce	124	self.lastx, self.lasty = self.x, self.y
2e839e96 RD	125	self.x, self.y = evt.GetPosition()
2e839e96 RD	126	self.Refresh(False)
5b119149	127
01f44840	128
5b119149	129
01f44840	130
2e839e96 RD	131	class CubeCanvas(MyCanvasBase):
	132	def InitGL(self):
	133	# set viewing projection
02b800ce RD	134	glMatrixMode(GL_PROJECTION)
02b800ce RD	135	glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0)
2e839e96 RD	136
2e839e96 RD	137	# position viewer
02b800ce RD	138	glMatrixMode(GL_MODELVIEW)
02b800ce RD	139	glTranslatef(0.0, 0.0, -2.0)
2e839e96 RD	140
2e839e96 RD	141	# position object
02b800ce RD	142	glRotatef(self.y, 1.0, 0.0, 0.0)
02b800ce RD	143	glRotatef(self.x, 0.0, 1.0, 0.0)
2e839e96	144
02b800ce RD	145	glEnable(GL_DEPTH_TEST)
	146	glEnable(GL_LIGHTING)
	147	glEnable(GL_LIGHT0)
cf694132	148
5b119149	149
2e839e96 RD	150	def OnDraw(self):
2e839e96 RD	151	# clear color and depth buffers
02b800ce	152	glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT)
41378d34	153
2e839e96 RD	154	# draw six faces of a cube
	155	glBegin(GL_QUADS)
	156	glNormal3f( 0.0, 0.0, 1.0)
	157	glVertex3f( 0.5, 0.5, 0.5)
	158	glVertex3f(-0.5, 0.5, 0.5)
	159	glVertex3f(-0.5,-0.5, 0.5)
	160	glVertex3f( 0.5,-0.5, 0.5)
41378d34	161
2e839e96 RD	162	glNormal3f( 0.0, 0.0,-1.0)
	163	glVertex3f(-0.5,-0.5,-0.5)
	164	glVertex3f(-0.5, 0.5,-0.5)
	165	glVertex3f( 0.5, 0.5,-0.5)
	166	glVertex3f( 0.5,-0.5,-0.5)
5b119149	167
2e839e96 RD	168	glNormal3f( 0.0, 1.0, 0.0)
	169	glVertex3f( 0.5, 0.5, 0.5)
	170	glVertex3f( 0.5, 0.5,-0.5)
	171	glVertex3f(-0.5, 0.5,-0.5)
	172	glVertex3f(-0.5, 0.5, 0.5)
5b119149	173
2e839e96 RD	174	glNormal3f( 0.0,-1.0, 0.0)
	175	glVertex3f(-0.5,-0.5,-0.5)
	176	glVertex3f( 0.5,-0.5,-0.5)
	177	glVertex3f( 0.5,-0.5, 0.5)
	178	glVertex3f(-0.5,-0.5, 0.5)
cf694132	179
2e839e96 RD	180	glNormal3f( 1.0, 0.0, 0.0)
	181	glVertex3f( 0.5, 0.5, 0.5)
	182	glVertex3f( 0.5,-0.5, 0.5)
	183	glVertex3f( 0.5,-0.5,-0.5)
	184	glVertex3f( 0.5, 0.5,-0.5)
41378d34	185
2e839e96 RD	186	glNormal3f(-1.0, 0.0, 0.0)
	187	glVertex3f(-0.5,-0.5,-0.5)
	188	glVertex3f(-0.5,-0.5, 0.5)
	189	glVertex3f(-0.5, 0.5, 0.5)
	190	glVertex3f(-0.5, 0.5,-0.5)
	191	glEnd()
41378d34	192
02b800ce RD	193	if self.size is None:
	194	self.size = self.GetClientSize()
	195	w, h = self.size
	196	w = max(w, 1.0)
	197	h = max(h, 1.0)
	198	xScale = 180.0 / w
	199	yScale = 180.0 / h
	200	glRotatef((self.y - self.lasty) * yScale, 1.0, 0.0, 0.0);
	201	glRotatef((self.x - self.lastx) * xScale, 0.0, 1.0, 0.0);
41378d34	202
2e839e96	203	self.SwapBuffers()
41378d34	204
41378d34	205
41378d34	206
cf694132	207
cf694132	208
2e839e96 RD	209	class ConeCanvas(MyCanvasBase):
2e839e96 RD	210	def InitGL( self ):
02b800ce	211	glMatrixMode(GL_PROJECTION)
2e839e96	212	# camera frustrum setup
02b800ce	213	glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0)
2e839e96 RD	214	glMaterial(GL_FRONT, GL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
	215	glMaterial(GL_FRONT, GL_DIFFUSE, [0.8, 0.8, 0.8, 1.0])
	216	glMaterial(GL_FRONT, GL_SPECULAR, [1.0, 0.0, 1.0, 1.0])
	217	glMaterial(GL_FRONT, GL_SHININESS, 50.0)
	218	glLight(GL_LIGHT0, GL_AMBIENT, [0.0, 1.0, 0.0, 1.0])
	219	glLight(GL_LIGHT0, GL_DIFFUSE, [1.0, 1.0, 1.0, 1.0])
	220	glLight(GL_LIGHT0, GL_SPECULAR, [1.0, 1.0, 1.0, 1.0])
02b800ce	221	glLight(GL_LIGHT0, GL_POSITION, [1.0, 1.0, 1.0, 0.0])
2e839e96 RD	222	glLightModel(GL_LIGHT_MODEL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
	223	glEnable(GL_LIGHTING)
	224	glEnable(GL_LIGHT0)
	225	glDepthFunc(GL_LESS)
	226	glEnable(GL_DEPTH_TEST)
	227	glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT)
	228	# position viewer
02b800ce RD	229	glMatrixMode(GL_MODELVIEW)
	230	# position viewer
	231	glTranslatef(0.0, 0.0, -2.0);
	232
2e839e96 RD	233
	234
	235	def OnDraw(self):
	236	# clear color and depth buffers
02b800ce	237	glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT)
2e839e96 RD	238	# use a fresh transformation matrix
	239	glPushMatrix()
	240	# position object
02b800ce RD	241	#glTranslate(0.0, 0.0, -2.0)
	242	glRotate(30.0, 1.0, 0.0, 0.0)
	243	glRotate(30.0, 0.0, 1.0, 0.0)
2e839e96 RD	244
	245	glTranslate(0, -1, 0)
	246	glRotate(250, 1, 0, 0)
	247	glutSolidCone(0.5, 1, 30, 5)
	248	glPopMatrix()
02b800ce RD	249	glRotatef((self.y - self.lasty), 0.0, 0.0, 1.0);
02b800ce RD	250	glRotatef((self.x - self.lastx), 1.0, 0.0, 0.0);
2e839e96 RD	251	# push into visible buffer
2e839e96 RD	252	self.SwapBuffers()
cf694132	253
41378d34 RD	254
	255
	256
2e839e96	257	#----------------------------------------------------------------------
cf694132 RD	258
cf694132 RD	259
2e839e96 RD	260	def runTest(frame, nb, log):
	261	win = ButtonPanel(nb, log)
	262	return win
5b119149 RD	263
5b119149 RD	264
cf694132 RD	265
	266
	267
41378d34	268
cf694132 RD	269	overview = """\
	270	"""
	271
	272
cf694132	273
41378d34 RD	274	if __name__ == '__main__':
	275	import sys,os
	276	import run
8eca4fef	277	run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
cf694132	278
cf694132	279
41378d34 RD	280
	281
	282	#----------------------------------------------------------------------
d58a80fa	283