.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "_gallery/validation/validate_color.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download__gallery_validation_validate_color.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr__gallery_validation_validate_color.py:


Reference Color
===============

This example draws squares of reference colors. These can be compared to
similar output from e.g. Matplotlib.

.. GENERATED FROM PYTHON SOURCE LINES 8-54



.. image-sg:: /_gallery/validation/images/sphx_glr_validate_color_001.webp
   :alt: validate color
   :srcset: /_gallery/validation/images/sphx_glr_validate_color_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python



    from rendercanvas.auto import RenderCanvas, loop
    import pygfx as gfx

    colors1 = ["#ff0000", "#770000", "#00ff00", "#007700", "#0000ff", "#000077"]
    colors2 = ["#000000", "#333333", "#666666", "#999999", "#cccccc", "#ffffff"]

    canvas = RenderCanvas()
    renderer = gfx.WgpuRenderer(canvas, gamma_correction=1.0)
    camera = gfx.OrthographicCamera()
    camera.show_rect(-0.5, 5.5, 0, 2)
    scene = gfx.Scene()

    plane = gfx.plane_geometry()
    for i, color in enumerate(colors1):
        m = gfx.Mesh(plane, gfx.MeshBasicMaterial(color=color))
        m.local.x = i
        m.local.y = 0
        scene.add(m)
    for i, color in enumerate(colors2):
        m = gfx.Mesh(plane, gfx.MeshBasicMaterial(color=color))
        m.local.x = i
        m.local.y = 1
        scene.add(m)

    canvas.request_draw(lambda: renderer.render(scene, camera))


    # # Code to show the same scene in MPL
    # import matplotlib.pyplot as plt
    # from matplotlib.patches import Rectangle
    # fig, ax = plt.subplots()
    # ax.set_facecolor("k")
    # plt.xlim([0, 6])
    # plt.ylim([-1, 3])
    # for i, color in enumerate(colors1):
    #     ax.add_patch(Rectangle((i, 0), 1, 1, facecolor=color))
    # for i, color in enumerate(colors2):
    #     ax.add_patch(Rectangle((i, 1), 1, 1, facecolor=color))
    # fig.show()


    if __name__ == "__main__":
        print(__doc__)
        loop.run()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.162 seconds)


.. _sphx_glr_download__gallery_validation_validate_color.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: validate_color.ipynb <validate_color.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: validate_color.py <validate_color.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: validate_color.zip <validate_color.zip>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_

.. only:: html

    Interactive example
    -------------------

    Try this example in your browser using Pyodide. Might not work with all examples and all devices. Check the output and your browser's console for details.

    .. raw:: html

        <iframe src="./../pyodide.html#validate_color.py"></iframe>