mirror of
https://github.com/yuzu-emu/FasTC.git
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94 lines
3.7 KiB
C++
94 lines
3.7 KiB
C++
/* FasTC
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* Copyright (c) 2012 University of North Carolina at Chapel Hill. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software and its documentation for educational,
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* research, and non-profit purposes, without fee, and without a written agreement is hereby granted,
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* provided that the above copyright notice, this paragraph, and the following four paragraphs appear
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* in all copies.
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*
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* Permission to incorporate this software into commercial products may be obtained by contacting the
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* authors or the Office of Technology Development at the University of North Carolina at Chapel Hill <otd@unc.edu>.
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*
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* This software program and documentation are copyrighted by the University of North Carolina at Chapel Hill.
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* The software program and documentation are supplied "as is," without any accompanying services from the
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* University of North Carolina at Chapel Hill or the authors. The University of North Carolina at Chapel Hill
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* and the authors do not warrant that the operation of the program will be uninterrupted or error-free. The
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* end-user understands that the program was developed for research purposes and is advised not to rely
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* exclusively on the program for any reason.
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*
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* IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE AUTHORS BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE
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* USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
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* AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY
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* STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY
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* OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
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* ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Please send all BUG REPORTS to <pavel@cs.unc.edu>.
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*
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* The authors may be contacted via:
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*
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* Pavel Krajcevski
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* Dept of Computer Science
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* 201 S Columbia St
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* Frederick P. Brooks, Jr. Computer Science Bldg
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* Chapel Hill, NC 27599-3175
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* USA
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*
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* <http://gamma.cs.unc.edu/FasTC/>
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*/
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#ifndef _COMPRESSED_IMAGE_H_
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#define _COMPRESSED_IMAGE_H_
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enum ECompressionFormat {
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eCompressionFormat_DXT1,
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eCompressionFormat_DXT5,
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eCompressionFormat_BPTC,
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kNumCompressionFormats
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};
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class CompressedImage {
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private:
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unsigned int m_Width;
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unsigned int m_Height;
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ECompressionFormat m_Format;
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unsigned char *m_Data;
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unsigned int m_DataSz;
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void InitData(const unsigned char *withData);
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public:
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CompressedImage();
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// Create a compressed image from the given data according to
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// the passed format. The size of the data is expected to conform
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// to the width, height, and format specified.
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CompressedImage(
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const unsigned int width,
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const unsigned int height,
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const ECompressionFormat format,
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const unsigned char *data
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);
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unsigned int GetHeight() const { return m_Height; }
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unsigned int GetWidth() const { return m_Width; }
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CompressedImage( const CompressedImage &other );
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~CompressedImage();
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// Decompress the compressed image data into outBuf. outBufSz is expected
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// to be the proper size determined by the width, height, and format.
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// !FIXME! We should have a function to explicitly return the in/out buf
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// size for a given compressed image.
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bool DecompressImage(unsigned char *outBuf, unsigned int outBufSz) const;
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};
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#endif // _COMPRESSED_IMAGE_H_
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