mirror of
https://github.com/yuzu-emu/FasTC.git
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139 lines
4.5 KiB
C
139 lines
4.5 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 _IMAGE_LOADER_H_
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#define _IMAGE_LOADER_H_
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#include "ImageFileFormat.h"
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#include "TexCompTypes.h"
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class ImageLoader {
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protected:
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const uint8 *const m_RawData;
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uint8 *m_PixelData;
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uint32 m_Width;
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uint32 m_Height;
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uint32 m_RedChannelPrecision;
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uint8 *m_RedData;
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uint32 m_GreenChannelPrecision;
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uint8 *m_GreenData;
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uint32 m_BlueChannelPrecision;
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uint8 *m_BlueData;
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uint32 m_AlphaChannelPrecision;
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uint8 *m_AlphaData;
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ImageLoader(const uint8 *rawData)
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: m_RawData(rawData)
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, m_PixelData(0)
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, m_Width(0), m_Height(0)
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, m_RedChannelPrecision(0), m_RedData(0)
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, m_GreenChannelPrecision(0), m_GreenData(0)
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, m_BlueChannelPrecision(0), m_BlueData(0)
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, m_AlphaChannelPrecision(0), m_AlphaData(0)
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{ }
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uint32 GetChannelForPixel(uint32 x, uint32 y, uint32 ch);
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public:
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virtual ~ImageLoader() {
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if(m_RedData) {
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delete [] m_RedData;
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m_RedData = 0;
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}
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if(m_GreenData) {
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delete [] m_GreenData;
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m_GreenData = 0;
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}
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if(m_BlueData) {
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delete [] m_BlueData;
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m_BlueData = 0;
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}
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if(m_AlphaData) {
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delete [] m_AlphaData;
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m_AlphaData = 0;
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}
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if(m_PixelData) {
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delete [] m_PixelData;
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m_PixelData = 0;
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}
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}
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virtual bool ReadData() = 0;
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uint32 GetRedChannelPrecision() const { return m_RedChannelPrecision; }
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const uint8 * GetRedPixelData() const { return m_RedData; }
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uint32 GetGreenChannelPrecision() const { return m_GreenChannelPrecision; }
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const uint8 * GetGreenPixelData() const { return m_GreenData; }
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uint32 GetBlueChannelPrecision() const { return m_BlueChannelPrecision; }
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const uint8 * GetBluePixelData() const { return m_BlueData; }
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uint32 GetAlphaChannelPrecision() const { return m_AlphaChannelPrecision; }
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const uint8 * GetAlphaPixelData() const { return m_AlphaData; }
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uint32 GetWidth() const { return m_Width; }
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uint32 GetHeight() const { return m_Height; }
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uint32 GetImageDataSz() const { return m_Width * m_Height * 4; }
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bool LoadImage();
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const uint8 *GetImageData() const { return m_PixelData; }
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};
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#ifndef PNG_FOUND
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#cmakedefine PNG_FOUND
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#endif // PNG_FOUND
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#endif // _IMAGE_LOADER_H_
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