mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
7f351ef429
Restores the use of libpng for png files as stb does not support writing out 16bit png files.
68 lines
2.6 KiB
C++
68 lines
2.6 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2016 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _IMAGE_UTILS_H_
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#define _IMAGE_UTILS_H_
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#ifndef _SWIZZLE_H_
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#include "core/util/swizzle.h"
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#endif
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#ifndef _GFXENUMS_H_
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#include "gfx/gfxEnums.h"
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#endif
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#ifndef _MMATHFN_H_
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#include "math/mMathFn.h"
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#endif
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struct DDSFile;
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namespace ImageUtil
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{
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enum CompressQuality
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{
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LowQuality,
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MediumQuality,
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HighQuality
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};
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// compress raw pixel data, expects rgba format
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bool rawCompress(const U8 *srcRGBA, U8 *dst, const S32 width, const S32 height, const GFXFormat compressFormat, const CompressQuality compressQuality = LowQuality);
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// compress DDSFile
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bool ddsCompress(DDSFile *srcDDS, const GFXFormat compressFormat, const CompressQuality compressQuality = LowQuality);
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// decompress compressed pixel data, dest data should be rgba format
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bool decompress(const U8 *src, U8 *dstRGBA, const S32 width, const S32 height, const GFXFormat srcFormat);
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//swizzle dds file
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void swizzleDDS(DDSFile *srcDDS, const Swizzle<U8, 4> &swizzle);
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//check if a GFXFormat is compressed
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bool isCompressedFormat(const GFXFormat format);
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bool isSRGBFormat(const GFXFormat format);
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//check if a GFXFormat has an alpha channel
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bool isAlphaFormat(const GFXFormat format);
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//convert to sRGB format
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GFXFormat toSRGBFormat(const GFXFormat format);
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U32 getMaxMipCount(const U32 width, const U32 height);
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};
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#endif
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