FasTC/IO/include/ImageFile.h
2013-01-28 16:42:11 -05:00

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3.6 KiB
C++

/* FasTC
* Copyright (c) 2012 University of North Carolina at Chapel Hill. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its documentation for educational,
* research, and non-profit purposes, without fee, and without a written agreement is hereby granted,
* provided that the above copyright notice, this paragraph, and the following four paragraphs appear
* in all copies.
*
* Permission to incorporate this software into commercial products may be obtained by contacting the
* authors or the Office of Technology Development at the University of North Carolina at Chapel Hill <otd@unc.edu>.
*
* This software program and documentation are copyrighted by the University of North Carolina at Chapel Hill.
* The software program and documentation are supplied "as is," without any accompanying services from the
* University of North Carolina at Chapel Hill or the authors. The University of North Carolina at Chapel Hill
* and the authors do not warrant that the operation of the program will be uninterrupted or error-free. The
* end-user understands that the program was developed for research purposes and is advised not to rely
* exclusively on the program for any reason.
*
* IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE AUTHORS BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE
* USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
* AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY
* STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY
* OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
* ENHANCEMENTS, OR MODIFICATIONS.
*
* Please send all BUG REPORTS to <pavel@cs.unc.edu>.
*
* The authors may be contacted via:
*
* Pavel Krajcevski
* Dept of Computer Science
* 201 S Columbia St
* Frederick P. Brooks, Jr. Computer Science Bldg
* Chapel Hill, NC 27599-3175
* USA
*
* <http://gamma.cs.unc.edu/FasTC/>
*/
#ifndef _IMAGE_FILE_H_
#define _IMAGE_FILE_H_
#include "TexCompTypes.h"
#include "ImageFileFormat.h"
// Forward declare
class Image;
class CompressedImage;
struct SCompressionSettings;
// Class definition
class ImageFile {
public:
ImageFile(const char *filename);
ImageFile(const char *filename, EImageFileFormat format);
ImageFile(const char *filename, EImageFileFormat format, const Image &);
~ImageFile();
unsigned int GetWidth() const { return m_Width; }
unsigned int GetHeight() const { return m_Height; }
CompressedImage *Compress(const SCompressionSettings &) const;
Image *GetImage() const { return m_Image; }
bool Load();
bool Write();
private:
static const unsigned int kMaxFilenameSz = 256;
char m_Filename[kMaxFilenameSz];
unsigned int m_Handle;
unsigned int m_Width;
unsigned int m_Height;
const EImageFileFormat m_FileFormat;
Image *m_Image;
static unsigned char *ReadFileData(const CHAR *filename);
static bool WriteImageDataToFile(const uint8 *data, const uint32 dataSz, const CHAR *filename);
static EImageFileFormat DetectFileFormat(const CHAR *filename);
Image *LoadImage(const unsigned char *rawImageData) const;
};
#endif // _IMAGE_FILE_H_