Colorizing a Black & White image
--------------------------------

You'll see in this example the result of updating the color palette of an original color image by using CCTR color palette.

.. container:: centered-grid

   .. raw:: html

      <div class="grid-item">
         <img src="../_static/gameBoyCamera.png" alt="Original Game Boy Camera Image">
         <p>Original Game Boy Camera Image</p>
      </div>
      <div class="grid-item">
         <img src="../_static/colorizedGameBoyCamera_CCTR.png" alt="Colorized Game Boy Camera Image with CCTR color palette">
         <p>Borderless Game Boy Camera Image</p>
      </div>

.. code-block:: python
   :linenos:

    """An example to change image color palette from BW to AZC."""

    import cv2

    from gamebeye.gbcamcolors.gbcolorpalettes import GBColorPalettes
    from gamebeye.gbcamimage.gbcamimage import GBCamImage

    # Path to the image
    image_filepath = "images\\originalImage.png"
    img = cv2.imread(image_filepath)

    # Creation of an GCCamImage object
    gb_img = GBCamImage()
    # Reading of the file
    gb_img.read(image_filepath)

    # Displaying the original image
    original_title = "Original image with {} color palette".format(
        gb_img.color_palette.name
    )
    cv2.imshow(original_title, gb_img.data)
    print("Original color palette : {}".format(gb_img.color_palette))

    # Changing image color palette
    gb_color_palette = GBColorPalettes.CCTR
    gb_img.change_color(color_palette=gb_color_palette)

    # Displaying the colorized image
    color_title = "Colorized image with {} color palette".format(gb_img.color_palette.name)
    cv2.imshow(color_title, gb_img.data)
    print(
        "Colorized image color palette : {}\nRequired color palette : {}".format(
            gb_img.color_palette, gb_color_palette
        )
    )

    cv2.waitKey()
    cv2.destroyWindow(original_title)
    cv2.destroyWindow(color_title)