FasTC/IO/include/ImageFile.h
Pavel Krajcevski 9282541160 Comments and bug fixes.
Added comments to the imagefile header. There were method declarations in the file that did not actually correspond to methods either. These were removed.
2013-08-22 18:35:01 -04:00

103 lines
4.0 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:
// Opens and loads an image file from the given path. The file format
// is inferred from the filename.
ImageFile(const char *filename);
// Opens and loads a given image file with the passed format.
ImageFile(const char *filename, EImageFileFormat format);
// Creates an imagefile with the corresponding image data. This is ready
// to be written to disk with the passed filename.
ImageFile(const char *filename, EImageFileFormat format, const Image &);
~ImageFile();
unsigned int GetWidth() const { return m_Width; }
unsigned int GetHeight() const { return m_Height; }
Image *GetImage() const { return m_Image; }
// Loads the image into memory. If this function returns true, then a valid
// m_Image will be created and available.
bool Load();
// Writes the given image to disk. Returns true on success.
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_