.. _f-imghelper:

module ``imghelper.img_helper``
===============================







Short summary
+++++++++++++

module ``pyquickhelper.imghelper.img_helper``

Helpers around images.


:githublink:`%|py|5`






Functions
+++++++++

+----------------------------------------------------------------------------------------------------------+----------------------------------------------------------------+
| function                                                                                                 | truncated documentation                                        |
+==========================================================================================================+================================================================+
| :func:`_optimization_criterion <pyquickhelper.imghelper.img_helper._optimization_criterion>`             |                                                                |
+----------------------------------------------------------------------------------------------------------+----------------------------------------------------------------+
| :func:`_optimization_histogram_order <pyquickhelper.imghelper.img_helper._optimization_histogram_order>` |                                                                |
+----------------------------------------------------------------------------------------------------------+----------------------------------------------------------------+
| :func:`concat_images <pyquickhelper.imghelper.img_helper.concat_images>`                                 | Concatenates images into an image with several rows of images. |
+----------------------------------------------------------------------------------------------------------+----------------------------------------------------------------+
| :func:`white_to_transparency <pyquickhelper.imghelper.img_helper.white_to_transparency>`                 | Sets white color as transparency color.                        |
+----------------------------------------------------------------------------------------------------------+----------------------------------------------------------------+
| :func:`zoom_img <pyquickhelper.imghelper.img_helper.zoom_img>`                                           | Zooms an image.                                                |
+----------------------------------------------------------------------------------------------------------+----------------------------------------------------------------+








Documentation
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.. automodule:: pyquickhelper.imghelper.img_helper
    :members:
    :special-members: __init__
    :show-inheritance: