47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
"""Copyright (c) 2010-2012 David Rio Vierra
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE."""
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"""
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glbackground.py
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A UI element that only draws a single OpenGL quad.
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"""
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from albow.openglwidgets import GLOrtho
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from OpenGL.GL import glEnable, glColor, glVertexPointer, glDrawArrays, glDisable, GL_BLEND, GL_FLOAT, GL_QUADS
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from numpy import array
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from pygame import mouse
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class GLBackground(GLOrtho):
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margin = 8
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bg_color = (0.0, 0.0, 0.0, 0.6)
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#bg_color = (30/255.0,0,255/255.0, 100/255.0)
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def gl_draw(self):
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#if hasattr(self, 'highlight_bg_color') and self in self.get_root().find_widget(mouse.get_pos()).all_parents():
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# color = self.highlight_bg_color
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#else:
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color = tuple(self.bg_color) + (1.0,)
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glEnable(GL_BLEND)
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glColor(color[0], color[1], color[2], color[3])
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glVertexPointer(2, GL_FLOAT, 0, array([-1, -1, -1, 1, 1, 1, 1, -1], dtype='float32'))
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glDrawArrays(GL_QUADS, 0, 4)
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glDisable(GL_BLEND)
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class Panel(GLBackground):
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pass
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