move GL widget code to SketchWidget
This commit is contained in:
Josh Holtrop
parent
da1c47441e
commit
d33d9f0f1a
98
SketchWidget.py
Normal file
98
SketchWidget.py
Normal file
@ -0,0 +1,98 @@
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import gtk
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import gtk.gtkgl
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from OpenGL.GL import *
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class SketchWidget:
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def __init__(self, sketch):
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self.sketch = sketch
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try:
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# try double-buffered
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self.glconfig = gtk.gdkgl.Config(mode = (gtk.gdkgl.MODE_RGB |
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gtk.gdkgl.MODE_DOUBLE |
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gtk.gdkgl.MODE_DEPTH))
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except gtk.gdkgl.NoMatches:
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# try single-buffered
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self.glconfig = gtk.gdkgl.Config(mode = (gtk.gdkgl.MODE_RGB |
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gtk.gdkgl.MODE_DEPTH))
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self.widget = gtk.gtkgl.DrawingArea(self.glconfig)
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self.widget.connect_after('realize', self.init)
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self.widget.connect('configure_event', self.reshape)
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self.widget.connect('expose_event', self.draw)
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def init(self, glarea):
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# get GLContext and GLDrawable
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glcontext = glarea.get_gl_context()
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gldrawable = glarea.get_gl_drawable()
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# GL calls
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if not gldrawable.gl_begin(glcontext): return
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glLightfv(GL_LIGHT0, GL_POSITION, (1, 1, 1, 0))
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glEnable(GL_CULL_FACE)
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glEnable(GL_LIGHTING)
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glEnable(GL_LIGHT0)
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glEnable(GL_DEPTH_TEST)
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gldrawable.gl_end()
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def reshape(self, glarea, event):
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# get GLContext and GLDrawable
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glcontext = glarea.get_gl_context()
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gldrawable = glarea.get_gl_drawable()
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# GL calls
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if not gldrawable.gl_begin(glcontext): return
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x, y, width, height = glarea.get_allocation()
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glViewport(0, 0, width, height)
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glMatrixMode(GL_PROJECTION)
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glLoadIdentity()
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if width > height:
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w = float(width) / float(height)
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glFrustum(-w, w, -1.0, 1.0, 5.0, 60.0)
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else:
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h = float(height) / float(width)
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glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0)
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glMatrixMode(GL_MODELVIEW)
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glLoadIdentity()
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glTranslatef(0.0, 0.0, -40.0)
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gldrawable.gl_end()
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return True
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def draw(self, glarea, event):
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# get GLContext and GLDrawable
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glcontext = glarea.get_gl_context()
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gldrawable = glarea.get_gl_drawable()
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# GL calls
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if not gldrawable.gl_begin(glcontext): return
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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glPushMatrix()
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glTranslatef(-3.0, -2.0, -5.0)
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glBegin(GL_QUADS)
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glNormal(0, 0, 1)
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glVertex(0, 0, 0)
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glVertex(1, 0, 0)
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glVertex(1, 1, 0)
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glVertex(0, 1, 0)
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glEnd()
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glPopMatrix()
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if gldrawable.is_double_buffered():
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gldrawable.swap_buffers()
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else:
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glFlush()
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gldrawable.gl_end()
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return True
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98
Window.py
98
Window.py
@ -1,10 +1,8 @@
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import gtk
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import gtk
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import gtk.gtkgl
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from OpenGL.GL import *
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from Sketch import Sketch
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from Sketch import Sketch
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from SketchWidget import SketchWidget
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class Window:
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class Window:
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def __init__(self, title):
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def __init__(self, title):
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@ -13,23 +11,9 @@ class Window:
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self.window.set_title(title)
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self.window.set_title(title)
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self.window.connect("destroy", self.destroy_event)
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self.window.connect("destroy", self.destroy_event)
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try:
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s = Sketch()
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# try double-buffered
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sw = SketchWidget(s)
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self.glconfig = gtk.gdkgl.Config(mode = (gtk.gdkgl.MODE_RGB |
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self.window.add(sw.widget)
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gtk.gdkgl.MODE_DOUBLE |
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gtk.gdkgl.MODE_DEPTH))
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except gtk.gdkgl.NoMatches:
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# try single-buffered
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self.glconfig = gtk.gdkgl.Config(mode = (gtk.gdkgl.MODE_RGB |
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gtk.gdkgl.MODE_DEPTH))
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glarea = gtk.gtkgl.DrawingArea(self.glconfig)
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glarea.connect_after('realize', self.init)
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glarea.connect('configure_event', self.reshape)
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glarea.connect('expose_event', self.draw)
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self.window.add(glarea)
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self.window.show_all()
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self.window.show_all()
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def main(self):
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def main(self):
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@ -37,77 +21,3 @@ class Window:
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def destroy_event(self, widget, data=None):
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def destroy_event(self, widget, data=None):
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gtk.main_quit()
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gtk.main_quit()
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def init(self, glarea):
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# get GLContext and GLDrawable
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glcontext = glarea.get_gl_context()
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gldrawable = glarea.get_gl_drawable()
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# GL calls
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if not gldrawable.gl_begin(glcontext): return
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glLightfv(GL_LIGHT0, GL_POSITION, (1, 1, 1, 0))
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glEnable(GL_CULL_FACE)
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glEnable(GL_LIGHTING)
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glEnable(GL_LIGHT0)
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glEnable(GL_DEPTH_TEST)
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gldrawable.gl_end()
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def reshape(self, glarea, event):
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# get GLContext and GLDrawable
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glcontext = glarea.get_gl_context()
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gldrawable = glarea.get_gl_drawable()
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# GL calls
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if not gldrawable.gl_begin(glcontext): return
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x, y, width, height = glarea.get_allocation()
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glViewport(0, 0, width, height)
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glMatrixMode(GL_PROJECTION)
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glLoadIdentity()
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if width > height:
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w = float(width) / float(height)
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glFrustum(-w, w, -1.0, 1.0, 5.0, 60.0)
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else:
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h = float(height) / float(width)
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glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0)
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glMatrixMode(GL_MODELVIEW)
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glLoadIdentity()
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glTranslatef(0.0, 0.0, -40.0)
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gldrawable.gl_end()
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return True
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def draw(self, glarea, event):
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# get GLContext and GLDrawable
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glcontext = glarea.get_gl_context()
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gldrawable = glarea.get_gl_drawable()
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# GL calls
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if not gldrawable.gl_begin(glcontext): return
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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glPushMatrix()
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glTranslatef(-3.0, -2.0, -5.0)
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glBegin(GL_QUADS)
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glNormal(0, 0, 1)
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glVertex(0, 0, 0)
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glVertex(1, 0, 0)
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glVertex(1, 1, 0)
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glVertex(0, 1, 0)
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glEnd()
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glPopMatrix()
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if gldrawable.is_double_buffered():
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gldrawable.swap_buffers()
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else:
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glFlush()
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gldrawable.gl_end()
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return True
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