Viewing file:  window_pos.py (2.29 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
'''OpenGL extension ARB.window_pos
This module customises the behaviour of the
OpenGL.raw.GL.ARB.window_pos to provide a more
Python-friendly API
Overview (from the spec)
In order to set the current raster position to a specific window
coordinate with the RasterPos command, the modelview matrix, projection
matrix and viewport must be set very carefully. Furthermore, if the
desired window coordinate is outside of the window's bounds one must rely
on a subtle side-effect of the Bitmap command in order to avoid frustum
clipping.
This extension provides a set of functions to directly set the current
raster position in window coordinates, bypassing the modelview matrix, the
projection matrix and the viewport-to-window mapping. Furthermore, clip
testing is not performed, so that the current raster position is always
valid.
This greatly simplifies the process of setting the current raster position
to a specific window coordinate prior to calling DrawPixels, CopyPixels or
Bitmap. Many matrix operations can be avoided when mixing 2D and 3D
rendering.
The official definition of this extension is available here:
http://www.opengl.org/registry/specs/ARB/window_pos.txt
'''
from OpenGL import platform, constants, constant, arrays
from OpenGL import extensions, wrapper
from OpenGL.GL import glget
import ctypes
from OpenGL.raw.GL.ARB.window_pos import *
### END AUTOGENERATED SECTION
glWindowPos2dvARB = arrays.setInputArraySizeType(
glWindowPos2dvARB,
2,
arrays.GLdoubleArray,
'v',
)
glWindowPos2fvARB = arrays.setInputArraySizeType(
glWindowPos2fvARB,
2,
arrays.GLfloatArray,
'v',
)
glWindowPos2ivARB = arrays.setInputArraySizeType(
glWindowPos2ivARB,
2,
arrays.GLintArray,
'v',
)
glWindowPos2svARB = arrays.setInputArraySizeType(
glWindowPos2svARB,
2,
arrays.GLshortArray,
'v',
)
glWindowPos3dvARB = arrays.setInputArraySizeType(
glWindowPos3dvARB,
3,
arrays.GLdoubleArray,
'v',
)
glWindowPos3fvARB = arrays.setInputArraySizeType(
glWindowPos3fvARB,
3,
arrays.GLfloatArray,
'v',
)
glWindowPos3ivARB = arrays.setInputArraySizeType(
glWindowPos3ivARB,
3,
arrays.GLintArray,
'v',
)
glWindowPos3svARB = arrays.setInputArraySizeType(
glWindowPos3svARB,
3,
arrays.GLshortArray,
'v',
)
|