| | """glu[Un]Project[4] convenience wrappers""" |
| | from OpenGL.raw import GLU as _simple |
| | from OpenGL import GL |
| | from OpenGL.lazywrapper import lazy as _lazy |
| | import ctypes |
| | POINTER = ctypes.POINTER |
| |
|
| | @_lazy( _simple.gluProject ) |
| | def gluProject( baseFunction, objX, objY, objZ, model=None, proj=None, view=None ): |
| | """Convenience wrapper for gluProject |
| | |
| | Automatically fills in the model, projection and viewing matrices |
| | if not provided. |
| | |
| | returns (winX,winY,winZ) doubles |
| | """ |
| | if model is None: |
| | model = GL.glGetDoublev( GL.GL_MODELVIEW_MATRIX ) |
| | if proj is None: |
| | proj = GL.glGetDoublev( GL.GL_PROJECTION_MATRIX ) |
| | if view is None: |
| | view = GL.glGetIntegerv( GL.GL_VIEWPORT ) |
| | winX = _simple.GLdouble( 0.0 ) |
| | winY = _simple.GLdouble( 0.0 ) |
| | winZ = _simple.GLdouble( 0.0 ) |
| | result = baseFunction( |
| | objX,objY,objZ, |
| | model,proj,view, |
| | winX,winY,winZ, |
| | ) |
| | |
| | |
| | if result is not None and result != _simple.GLU_TRUE: |
| | raise ValueError( """Projection failed!""" ) |
| | return winX.value, winY.value, winZ.value |
| |
|
| | @_lazy( _simple.gluUnProject ) |
| | def gluUnProject( baseFunction, winX, winY, winZ, model=None, proj=None, view=None ): |
| | """Convenience wrapper for gluUnProject |
| | |
| | Automatically fills in the model, projection and viewing matrices |
| | if not provided. |
| | |
| | returns (objX,objY,objZ) doubles |
| | """ |
| | if model is None: |
| | model = GL.glGetDoublev( GL.GL_MODELVIEW_MATRIX ) |
| | if proj is None: |
| | proj = GL.glGetDoublev( GL.GL_PROJECTION_MATRIX ) |
| | if view is None: |
| | view = GL.glGetIntegerv( GL.GL_VIEWPORT ) |
| | objX = _simple.GLdouble( 0.0 ) |
| | objY = _simple.GLdouble( 0.0 ) |
| | objZ = _simple.GLdouble( 0.0 ) |
| | result = baseFunction( |
| | winX,winY,winZ, |
| | model,proj,view, |
| | ctypes.byref(objX),ctypes.byref(objY),ctypes.byref(objZ), |
| | ) |
| | if not result: |
| | raise ValueError( """Projection failed!""" ) |
| | return objX.value, objY.value, objZ.value |
| | @_lazy( _simple.gluUnProject4 ) |
| | def gluUnProject4( |
| | baseFunction, |
| | winX, winY, winZ, clipW, |
| | model=None, proj=None, view=None, |
| | near=0.0, far=1.0 |
| | ): |
| | """Convenience wrapper for gluUnProject |
| | |
| | Automatically fills in the model, projection and viewing matrices |
| | if not provided. |
| | |
| | returns (objX,objY,objZ) doubles |
| | """ |
| | if model is None: |
| | model = GL.glGetDoublev( GL.GL_MODELVIEW_MATRIX ) |
| | if proj is None: |
| | proj = GL.glGetDoublev( GL.GL_PROJECTION_MATRIX ) |
| | if view is None: |
| | view = GL.glGetIntegerv( GL.GL_VIEWPORT ) |
| | objX = _simple.GLdouble( 0.0 ) |
| | objY = _simple.GLdouble( 0.0 ) |
| | objZ = _simple.GLdouble( 0.0 ) |
| | objW = _simple.GLdouble( 0.0 ) |
| | result = baseFunction( |
| | winX,winY,winZ, |
| | model,proj,view, |
| | ctypes.byref(objX),ctypes.byref(objY),ctypes.byref(objZ),ctypes.byref(objW) |
| | ) |
| | if not result: |
| | raise ValueError( """Projection failed!""" ) |
| | return objX.value, objY.value, objZ.value, objW.value |
| |
|
| | __all__ = ( |
| | 'gluProject', |
| | 'gluUnProject', |
| | 'gluUnProject4', |
| | ) |
| |
|
