# pyopengltk
Tkinter - OpenGL Frame using ctypes
* [pyopengltk on Github](https://github.com/jonwright/pyopengltk)
* [pyopengltk on PyPI](https://pypi.org/project/pyopengltk/)
An opengl frame for pyopengl-tkinter based on ctypes (no togl compilation)
Collected together by Jon Wright, Jan 2018.
## Basic Example
This example creates a window containing an `OpenGLFrame`
filling the entire window. We configure it to animate
(constantly redraw) clearing the screen using a green color.
A simple framerate counter is included.
The context information is printed to the terminal.
```python
import time
import tkinter
from OpenGL import GL
from pyopengltk import OpenGLFrame
class AppOgl(OpenGLFrame):
def initgl(self):
"""Initalize gl states when the frame is created"""
GL.glViewport(0, 0, self.width, self.height)
GL.glClearColor(0.0, 1.0, 0.0, 0.0)
self.start = time.time()
self.nframes = 0
def redraw(self):
"""Render a single frame"""
GL.glClear(GL.GL_COLOR_BUFFER_BIT)
tm = time.time() - self.start
self.nframes += 1
print("fps",self.nframes / tm, end="\r" )
if __name__ == '__main__':
root = tkinter.Tk()
app = AppOgl(root, width=320, height=200)
app.pack(fill=tkinter.BOTH, expand=tkinter.YES)
app.animate = 1
app.after(100, app.printContext)
app.mainloop()
```
The repository on Github also contains more examples.
## Install
From PyPI:
```
pip install pyopengltk
```
From source:
```
git clone https://github.com/jonwright/pyopengltk
cd pyopengltk
pip install .
```
## Attributions
Based on the work of others.
### C + Tcl/Tk example:
* Project URL : http://github.com/codeplea/opengl-tcltk/ (zlib license)
* Article at : https://codeplea.com/opengl-with-c-and-tcl-tk
### Python + Tkinter (no pyopengl) example:
* Project URL : http://github.com/arcanosam/pytkogl/ (The Code Project Open License)
* Article at: http://www.codeproject.com/Articles/1073475/OpenGL-in-Python-with-TKinter
### pyopengl
* Large regions of code copied from `pyopengl/Tk/__init__.py`.
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"description": "# pyopengltk\n\nTkinter - OpenGL Frame using ctypes\n\n* [pyopengltk on Github](https://github.com/jonwright/pyopengltk)\n* [pyopengltk on PyPI](https://pypi.org/project/pyopengltk/)\n\nAn opengl frame for pyopengl-tkinter based on ctypes (no togl compilation)\n\nCollected together by Jon Wright, Jan 2018.\n\n## Basic Example\n\nThis example creates a window containing an `OpenGLFrame`\nfilling the entire window. We configure it to animate\n(constantly redraw) clearing the screen using a green color.\nA simple framerate counter is included.\nThe context information is printed to the terminal.\n\n```python\nimport time\nimport tkinter\nfrom OpenGL import GL\nfrom pyopengltk import OpenGLFrame\n\nclass AppOgl(OpenGLFrame):\n\n def initgl(self):\n \"\"\"Initalize gl states when the frame is created\"\"\"\n GL.glViewport(0, 0, self.width, self.height)\n GL.glClearColor(0.0, 1.0, 0.0, 0.0) \n self.start = time.time()\n self.nframes = 0\n\n def redraw(self):\n \"\"\"Render a single frame\"\"\"\n GL.glClear(GL.GL_COLOR_BUFFER_BIT)\n tm = time.time() - self.start\n self.nframes += 1\n print(\"fps\",self.nframes / tm, end=\"\\r\" )\n\n\nif __name__ == '__main__':\n root = tkinter.Tk()\n app = AppOgl(root, width=320, height=200)\n app.pack(fill=tkinter.BOTH, expand=tkinter.YES)\n app.animate = 1\n app.after(100, app.printContext)\n app.mainloop()\n```\n\nThe repository on Github also contains more examples.\n\n## Install\n\nFrom PyPI:\n\n```\npip install pyopengltk\n```\n\nFrom source:\n\n```\ngit clone https://github.com/jonwright/pyopengltk\ncd pyopengltk\npip install .\n```\n\n## Attributions\n\nBased on the work of others.\n\n### C + Tcl/Tk example:\n\n* Project URL : http://github.com/codeplea/opengl-tcltk/ (zlib license)\n* Article at : https://codeplea.com/opengl-with-c-and-tcl-tk\n\n### Python + Tkinter (no pyopengl) example:\n\n* Project URL : http://github.com/arcanosam/pytkogl/ (The Code Project Open License)\n* Article at: http://www.codeproject.com/Articles/1073475/OpenGL-in-Python-with-TKinter\n\n### pyopengl\n\n* Large regions of code copied from `pyopengl/Tk/__init__.py`.\n\n\n",
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