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f85066a19e
The function RRotateImage contains code to handle efficiently the 4 simple angles 0, 90, 180 and 270 degrees, which makes it a long function. This patch separate the code for the different cases into dedicated functions so the main function's code ends up being simple (aka: easier to understand/review/maintain). As a side effect, the function for the 180 degree function is not static because it can be reused to flip an image both horizontally and vertically. Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
31 lines
881 B
C
31 lines
881 B
C
/*
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* Raster graphics library
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*
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* Copyright (c) 2014 Window Maker Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library.
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*/
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#ifndef WRASTER_ROTATE_H
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#define WRASTER_ROTATE_H
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/*
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* Returns a new image, rotated by 180 degrees
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*/
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RImage *wraster_rotate_image_180(RImage *source);
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#endif
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