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Project Description

Python bindings for GLFW 3+ using Cython.

Provides an API which matches the C API.

Differences

  • Enumerations have dropped their “GLFW_” prefix.
  • Functions have dropped their “glfw” prefix.
  • {Get|Set}UserPointer is not accessible as it doesn’t make sense for Python.
  • The {Get|Set}Time functions are available but Python’s time module should be used in preference.

C Code

#include <GLFW/glfw3.h>
int main(void)
{
    GLFWwindow* window;

    /* Initialize the library */
    if (!glfwInit())
        return -1;

    /* Create a windowed mode window and its OpenGL context */
    window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL);

    if (!window)
    {
        glfwTerminate();
        return -1;
    }

    glfwMakeContextCurrent(window);
    while (!glfwWindowShowClose(window))
    {
        /* Render here */

        /* Display the render buffer */
        glfwSwapBuffers(window);

        /* Pump the message queue */
        glfwPollEvents();
    }

    /* Shutdown */
    glfwTerminate();
    return 0;
}

Python Code

# needed if you're running the OS-X system python
try:
    from AppKit import NSApp, NSApplication
except:
    pass

import cyglfw3 as glfw
if not glfw.Init():
    exit()

window = glfw.CreateWindow(640, 480, 'Hello World')
if not window:
    glfw.Terminate()
    exit()

glfw.MakeContextCurrent(window)
while not glfw.WindowShouldClose(window):
    # Render here

    # Swap front and back buffers
    glfw.SwapBuffers(window)

    # Poll for and process events
    glfw.PollEvents()

glfw.Terminate()

Prefix Compatible Code

A compatibility layer is provided to be 1:1 compatible with other GLFW3 wrappers. Commonly, these don’t drop the GLFW_ prefix from constants, nor the glfw prefix from functions.

To use the compatibility module, use import cyglfw3.compatible as glfw:

# needed if you're running the OS-X system python
try:
    from AppKit import NSApp, NSApplication
except:
    pass

import cyglfw3.compatible as glfw
if not glfw.glfwInit():
    exit()

window = glfw.glfwCreateWindow(640, 480, 'Hello World')
if not window:
    glfw.glfwTerminate()
    exit()

glfw.glfwMakeContextCurrent(window)
while not glfw.glfwWindowShouldClose(window):
    # Render here

    # Swap front and back buffers
    glfw.glfwSwapBuffers(window)

    # Poll for and process events
    glfw.glfwPollEvents()

glfw.glfwTerminate()

Installation

pip install cyglfw3

Manual Building

If you have trouble building CyGLFW3, please raise an issue on Github.

When specifying the include path, ensure that the GLFW directory is a sub-directory of that path. For example: the path /usr/local/include/GLFW would use include /usr/local/include

The lib path should contain the glfw library file.

OS-X / Linux

CyGLFW3 provides support for OS-X Homebrew and MacPorts.

Linux builds should work with any package manager.

python setup.py build_ext -i

Specifying an alternate GLFW installation path:

env CPATH=<include path> LIBRARY_PATH=<lib path> python setup.py build_ext -i

Windows

The following commands are untested, please report their success or failure.

set GLFW_ROOT=<path to include/GLFW/glfw3.h>
python setup.py build_ext -i

If you get ImportError: DLL load failed: The specified procedure could not be found. Please place the glfw3.dll from lib-vc2012 in the installation path.

Common Problems

  • PyOpenGL reports the OpenGL version as None and my GL functions do nothing!

You _must_ set an active context or your OpenGL calls will go no where:

glfw.MakeContextCurrent(window)

This is by design in GLFW3.

Dependencies

  • Python 2.7 / 3.4
  • Cython
  • GLFW 3
Release History

Release History

3.1.0.2

This version

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3.1.0.1

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3.0.4.7

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3.0.4.6

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3.0.4.5

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0.0.5

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0.0.4

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0.0.3

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0.0.2

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0.0.1

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Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
cyglfw3-3.1.0.2.tar.gz (159.3 kB) Copy SHA256 Checksum SHA256 Source Oct 4, 2015

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