OOTextureScaling.h

Go to the documentation of this file.

/*
 
OOTextureScaling.h
 
Functions used to rescale texture maps.
These are bottlenecks! They should be optimized or, better, replaced with use
of an optimized library.
 
 
Copyright (C) 2007-2013 Jens Ayton
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 
*/
 
#import "OOPixMap.h"
 
 
/*  Assumes 8 bits per sample, interleaved.
    dstPixels must have space for dstWidth * dstHeight pixels (no row padding
    is generated).
    
    IMPORTANT: this will free() srcPixMap's pixels.
*/
OOPixMap OOScalePixMap(OOPixMap srcPixMap, OOPixMapDimension dstWidth, OOPixMapDimension dstHeight, BOOL leaveSpaceForMipMaps);
 
 
/*  Assumes 8 bits per sample, interleaved.
    Buffer must have space for (4 * width * height) / 3 pixels.
*/
BOOL OOGenerateMipMaps(void *textureBytes, OOPixMapDimension width, OOPixMapDimension height, OOPixMapFormat format);