def _drawLUTtoScreen(self):
"""(private) Used to set the LUT in Bits++ mode.
Should not be needed by user if attached to a ``psychopy.visual.Window()``
since this will automatically draw the LUT as part of the screen refresh.
"""
#push the projection matrix and set to orthorgaphic
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPushMatrix()
GL.glLoadIdentity()
GL.glOrtho( 0, self.win.size[0],self.win.size[1], 0, 0, 1 ) #this also sets the 0,0 to be top-left
#but return to modelview for rendering
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glLoadIdentity()
#draw the pixels
GL.glActiveTextureARB(GL.GL_TEXTURE0_ARB)
GL.glEnable(GL.GL_TEXTURE_2D)
GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
GL.glActiveTextureARB(GL.GL_TEXTURE1_ARB)
GL.glEnable(GL.GL_TEXTURE_2D)
GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
GL.glRasterPos2i(0,1)
GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
GL.glDrawPixels(len(self._HEADandLUT),1,
GL.GL_RGB,GL.GL_UNSIGNED_BYTE,
self._HEADandLUTstr)
#GL.glDrawPixels(524,1, GL.GL_RGB,GL.GL_UNSIGNED_BYTE, self._HEADandLUTstr)
#return to 3D mode (go and pop the projection matrix)
GL.glMatrixMode( GL.GL_PROJECTION )
GL.glPopMatrix()
GL.glMatrixMode( GL.GL_MODELVIEW )
def _drawLUTtoScreen(self):
"""(private) Used to set the LUT in 'bits++' mode.
Should not be needed by user if attached to a ``psychopy.visual.Window()``
since this will automatically draw the LUT as part of the screen refresh.
"""
#push the projection matrix and set to orthorgaphic
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPushMatrix()
GL.glLoadIdentity()
GL.glOrtho(0, self.win.size[0], self.win.size[1], 0, 0,
1) #this also sets the 0,0 to be top-left
#but return to modelview for rendering
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glLoadIdentity()
#draw the pixels
GL.glActiveTextureARB(GL.GL_TEXTURE0_ARB)
GL.glEnable(GL.GL_TEXTURE_2D)
GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
GL.glActiveTextureARB(GL.GL_TEXTURE1_ARB)
GL.glEnable(GL.GL_TEXTURE_2D)
GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
GL.glRasterPos2i(0, 1)
GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
GL.glDrawPixels(len(self._HEADandLUT), 1, GL.GL_RGB,
GL.GL_UNSIGNED_BYTE, self._HEADandLUTstr)
#GL.glDrawPixels(524,1, GL.GL_RGB,GL.GL_UNSIGNED_BYTE, self._HEADandLUTstr)
#return to 3D mode (go and pop the projection matrix)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glPopMatrix()
GL.glMatrixMode(GL.GL_MODELVIEW)
def on_draw(self):
if self.pixels is not None:
self.window.switch_to()
self.window.clear()
pixels = np.flip(self.pixels, axis=0).flatten()
tex_data = (gl.GLubyte * pixels.size)(*pixels.astype('uint8'))
gl.glRasterPos2d(0, 0)
gl.glDrawPixels(self.width, self.height, gl.GL_RGB,
gl.GL_UNSIGNED_BYTE, tex_data)
def drawPixels(intensities):
#create row of rgb vals from intensities
pixels = numpy.ones([len(intensities),1,3]).astype(numpy.ubyte)
pixels[:,0,0] = intensities
pixels[:,0,1] = intensities
pixels[:,0,2] = intensities
#scale window
gl.glOrtho( 0, win.size[0], 0, win.size[1], 0, 1 )
#move to top left
gl.glRasterPos2f(0, win.size[1]-1 )
gl.glDrawPixels(pixels.shape[0], pixels.shape[1],
gl.GL_RGB, gl.GL_UNSIGNED_BYTE,
pixels.tostring())
