mirror of https://github.com/aseprite/aseprite.git
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
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// Aseprite Document Library
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// Copyright (c) 2001-2014 David Capello
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//
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// This file is released under the terms of the MIT license.
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// Read LICENSE.txt for more information.
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#ifndef DOC_ALGORITHM_RESIZE_IMAGE_H_INCLUDED
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#define DOC_ALGORITHM_RESIZE_IMAGE_H_INCLUDED
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#pragma once
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#include "gfx/fwd.h"
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namespace doc {
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class Image;
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class Palette;
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class RgbMap;
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namespace algorithm {
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enum ResizeMethod {
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RESIZE_METHOD_NEAREST_NEIGHBOR,
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RESIZE_METHOD_BILINEAR,
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};
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// Resizes the source image 'src' to the destination image 'dst'.
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//
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// Warning: If you are using the RESIZE_METHOD_BILINEAR, it is
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// recommended to use 'fixup_image_transparent_colors' function
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// over the source image 'src' BEFORE using this routine.
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void resize_image(const Image* src, Image* dst, ResizeMethod method, const Palette* palette, const RgbMap* rgbmap);
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// It does not modify the image to the human eye, but internally
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// tries to fixup all colors that are completelly transparent
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// (alpha = 0) with the average of its 4-neighbors. Useful if you
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// want to use resize_image() with images that contains
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// transparent pixels.
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void fixup_image_transparent_colors(Image* image);
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}
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}
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#endif
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