78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/* -----------------------------------------------------------------------------
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*
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* Copyright (c) 2007-2017 Alexis Naveros.
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* Portions developed under contract to the SURVICE Engineering Company.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* -----------------------------------------------------------------------------
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*/
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#ifndef IMG_H
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#define IMG_H
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typedef struct
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{
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int width;
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int height;
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int type;
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int bytesperpixel;
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int bytesperline;
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} imgFormat;
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enum
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{
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IMG_FORMAT_TYPE_ANY,
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IMG_FORMAT_TYPE_RGB24,
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IMG_FORMAT_TYPE_BGR24,
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IMG_FORMAT_TYPE_RGBX32,
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IMG_FORMAT_TYPE_BGRX32,
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IMG_FORMAT_TYPE_RGBA32,
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IMG_FORMAT_TYPE_BGRA32,
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IMG_FORMAT_TYPE_GRAYSCALE,
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IMG_FORMAT_TYPE_GRAYALPHA
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};
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typedef struct
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{
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imgFormat format;
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void *data;
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} imgImage;
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////
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void imgCopyRect( imgImage *image, int dstx, int dsty, int srcx, int srcy, int sizex, int sizey );
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void (*imgBlendGetFunction( imgImage *dstimage, imgImage *srcimage ))( imgImage *dstimage, int dstx, int dsty, imgImage *srcimage );
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int imgBlendImage( imgImage *dstimage, int dstx, int dsty, imgImage *srcimage );
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void imgAllocCopy( imgImage *dst, imgImage *src );
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void imgAllocCopyExtendBorder( imgImage *dstimage, imgImage *srcimage, int extendsize );
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void imgAllocExtractChannel( imgImage *dst, imgImage *src, int channelindex );
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void imgAllocExtractChannelExtendBorder( imgImage *dstimage, imgImage *srcimage, int channelindex, int extendsize );
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void imgAllocCopyChannelToAlpha( imgImage *dstimage, imgImage *srcimage, int channelindex, unsigned char r, unsigned char g, unsigned char b );
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void imgAllocAdjustBrightnessContrast( imgImage *dstimage, imgImage *srcimage, float brightness, float contrast );
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void imgFree( imgImage *image );
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#endif
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