Commit f9e9a074 authored by Guillaume Seguin's avatar Guillaume Seguin

Factor our wxGLPanel from gcview

parent 7ef307e8
...@@ -28,140 +28,9 @@ from pyglet.gl import * ...@@ -28,140 +28,9 @@ from pyglet.gl import *
from pyglet import gl from pyglet import gl
from . import gcoder from . import gcoder
from . import stltool from .glpanel import wxGLPanel
from .libtatlin import actors from .libtatlin import actors
class wxGLPanel(wx.Panel):
'''A simple class for using OpenGL with wxPython.'''
orthographic = True
def __init__(self, parent, id, pos = wx.DefaultPosition,
size = wx.DefaultSize, style = 0):
# Forcing a no full repaint to stop flickering
style = style | wx.NO_FULL_REPAINT_ON_RESIZE
super(wxGLPanel, self).__init__(parent, id, pos, size, style)
self.GLinitialized = False
self.mview_initialized = False
attribList = (glcanvas.WX_GL_RGBA, # RGBA
glcanvas.WX_GL_DOUBLEBUFFER, # Double Buffered
glcanvas.WX_GL_DEPTH_SIZE, 24) # 24 bit
self.sizer = wx.BoxSizer(wx.HORIZONTAL)
self.canvas = glcanvas.GLCanvas(self, attribList = attribList)
self.context = glcanvas.GLContext(self.canvas)
self.sizer.Add(self.canvas, 1, wx.EXPAND)
self.SetSizerAndFit(self.sizer)
# bind events
self.canvas.Bind(wx.EVT_ERASE_BACKGROUND, self.processEraseBackgroundEvent)
self.canvas.Bind(wx.EVT_SIZE, self.processSizeEvent)
self.canvas.Bind(wx.EVT_PAINT, self.processPaintEvent)
def processEraseBackgroundEvent(self, event):
'''Process the erase background event.'''
pass # Do nothing, to avoid flashing on MSWin
def processSizeEvent(self, event):
'''Process the resize event.'''
size = self.GetClientSize()
self.width, self.height = size.width, size.height
if (wx.VERSION > (2,9) and self.canvas.IsShownOnScreen()) or self.canvas.GetContext():
# Make sure the frame is shown before calling SetCurrent.
self.canvas.SetCurrent(self.context)
self.OnReshape(size.width, size.height)
self.canvas.Refresh(False)
event.Skip()
def processPaintEvent(self, event):
'''Process the drawing event.'''
self.canvas.SetCurrent(self.context)
if not self.GLinitialized:
self.OnInitGL()
self.GLinitialized = True
self.OnDraw()
event.Skip()
def Destroy(self):
#clean up the pyglet OpenGL context
self.pygletcontext.destroy()
#call the super method
super(wx.Panel, self).Destroy()
#==========================================================================
# GLFrame OpenGL Event Handlers
#==========================================================================
def OnInitGL(self):
'''Initialize OpenGL for use in the window.'''
#create a pyglet context for this panel
self.pygletcontext = gl.Context(gl.current_context)
self.pygletcontext.canvas = self
self.pygletcontext.set_current()
#normal gl init
glClearColor(0.98, 0.98, 0.78, 1)
glClearDepth(1.0) # set depth value to 1
glDepthFunc(GL_LEQUAL)
glEnable(GL_COLOR_MATERIAL)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
self.OnReshape(*self.GetClientSize())
def OnReshape(self, width, height):
'''Reshape the OpenGL viewport based on the dimensions of the window.'''
if not self.GLinitialized:
self.GLinitialized = True
self.OnInitGL()
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
if self.orthographic:
glOrtho(-width / 2, width / 2, -height / 2, height / 2, 0.1, 3 * self.dist)
else:
gluPerspective(60., float(width) / height, 10.0, 3 * self.dist)
if not self.mview_initialized:
self.reset_mview(0.9)
self.mview_initialized = True
# Wrap text to the width of the window
if self.GLinitialized:
self.pygletcontext.set_current()
self.update_object_resize()
def reset_mview(self, factor):
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
if self.orthographic:
ratio = factor * float(min(self.width, self.height)) / self.dist
glScalef(ratio, ratio, 1)
def OnDraw(self, *args, **kwargs):
"""Draw the window."""
self.pygletcontext.set_current()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
self.draw_objects()
self.canvas.SwapBuffers()
#==========================================================================
# To be implemented by a sub class
#==========================================================================
def create_objects(self):
'''create opengl objects when opengl is initialized'''
pass
def update_object_resize(self):
'''called when the window recieves only if opengl is initialized'''
pass
def draw_objects(self):
'''called in the middle of ondraw after the buffer has been cleared'''
pass
def cross(v1, v2): def cross(v1, v2):
return [v1[1]*v2[2]-v1[2]*v2[1], v1[2]*v2[0]-v1[0]*v2[2], v1[0]*v2[1]-v1[1]*v2[0]] return [v1[1]*v2[2]-v1[2]*v2[1], v1[2]*v2[0]-v1[0]*v2[2], v1[0]*v2[1]-v1[1]*v2[0]]
......
#!/usr/bin/env python
# This file is part of the Printrun suite.
#
# Printrun is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Printrun is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Printrun. If not, see <http://www.gnu.org/licenses/>.
import os
import math
import wx
from wx import glcanvas
import pyglet
pyglet.options['debug_gl'] = True
from pyglet.gl import *
from pyglet import gl
from . import gcoder
class wxGLPanel(wx.Panel):
'''A simple class for using OpenGL with wxPython.'''
orthographic = True
def __init__(self, parent, id, pos = wx.DefaultPosition,
size = wx.DefaultSize, style = 0):
# Forcing a no full repaint to stop flickering
style = style | wx.NO_FULL_REPAINT_ON_RESIZE
super(wxGLPanel, self).__init__(parent, id, pos, size, style)
self.GLinitialized = False
self.mview_initialized = False
attribList = (glcanvas.WX_GL_RGBA, # RGBA
glcanvas.WX_GL_DOUBLEBUFFER, # Double Buffered
glcanvas.WX_GL_DEPTH_SIZE, 24) # 24 bit
self.sizer = wx.BoxSizer(wx.HORIZONTAL)
self.canvas = glcanvas.GLCanvas(self, attribList = attribList)
self.context = glcanvas.GLContext(self.canvas)
self.sizer.Add(self.canvas, 1, wx.EXPAND)
self.SetSizerAndFit(self.sizer)
# bind events
self.canvas.Bind(wx.EVT_ERASE_BACKGROUND, self.processEraseBackgroundEvent)
self.canvas.Bind(wx.EVT_SIZE, self.processSizeEvent)
self.canvas.Bind(wx.EVT_PAINT, self.processPaintEvent)
def processEraseBackgroundEvent(self, event):
'''Process the erase background event.'''
pass # Do nothing, to avoid flashing on MSWin
def processSizeEvent(self, event):
'''Process the resize event.'''
size = self.GetClientSize()
self.width, self.height = size.width, size.height
if (wx.VERSION > (2,9) and self.canvas.IsShownOnScreen()) or self.canvas.GetContext():
# Make sure the frame is shown before calling SetCurrent.
self.canvas.SetCurrent(self.context)
self.OnReshape(size.width, size.height)
self.canvas.Refresh(False)
event.Skip()
def processPaintEvent(self, event):
'''Process the drawing event.'''
self.canvas.SetCurrent(self.context)
if not self.GLinitialized:
self.OnInitGL()
self.GLinitialized = True
self.OnDraw()
event.Skip()
def Destroy(self):
#clean up the pyglet OpenGL context
self.pygletcontext.destroy()
#call the super method
super(wx.Panel, self).Destroy()
#==========================================================================
# GLFrame OpenGL Event Handlers
#==========================================================================
def OnInitGL(self):
'''Initialize OpenGL for use in the window.'''
#create a pyglet context for this panel
self.pygletcontext = gl.Context(gl.current_context)
self.pygletcontext.canvas = self
self.pygletcontext.set_current()
#normal gl init
glClearColor(0.98, 0.98, 0.78, 1)
glClearDepth(1.0) # set depth value to 1
glDepthFunc(GL_LEQUAL)
glEnable(GL_COLOR_MATERIAL)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
self.OnReshape(*self.GetClientSize())
def OnReshape(self, width, height):
'''Reshape the OpenGL viewport based on the dimensions of the window.'''
if not self.GLinitialized:
self.GLinitialized = True
self.OnInitGL()
glViewport(0, 0, width, height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
if self.orthographic:
glOrtho(-width / 2, width / 2, -height / 2, height / 2, 0.1, 3 * self.dist)
else:
gluPerspective(60., float(width) / height, 10.0, 3 * self.dist)
if not self.mview_initialized:
self.reset_mview(0.9)
self.mview_initialized = True
# Wrap text to the width of the window
if self.GLinitialized:
self.pygletcontext.set_current()
self.update_object_resize()
def reset_mview(self, factor):
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
if self.orthographic:
ratio = factor * float(min(self.width, self.height)) / self.dist
glScalef(ratio, ratio, 1)
def OnDraw(self, *args, **kwargs):
"""Draw the window."""
self.pygletcontext.set_current()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
self.draw_objects()
self.canvas.SwapBuffers()
#==========================================================================
# To be implemented by a sub class
#==========================================================================
def create_objects(self):
'''create opengl objects when opengl is initialized'''
pass
def update_object_resize(self):
'''called when the window recieves only if opengl is initialized'''
pass
def draw_objects(self):
'''called in the middle of ondraw after the buffer has been cleared'''
pass
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