www.pudn.com > flash.rar > bitmap.h

///////////////////////////////////////////////////////////// 
// Flash Plugin and Player 
// Copyright (C) 1998 Olivier Debon 
//  
// This program is free software; you can redistribute it and/or 
// modify it under the terms of the GNU General Public License 
// as published by the Free Software Foundation; either version 2 
// of the License, or (at your option) any later version. 
//  
// This program is distributed in the hope that it will be useful, 
// but WITHOUT ANY WARRANTY; without even the implied warranty of 
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
// GNU General Public License for more details. 
//  
// You should have received a copy of the GNU General Public License 
// along with this program; if not, write to the Free Software 
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. 
//  
/////////////////////////////////////////////////////////////// 
#ifndef _BITMAP_H_ 
#define _BITMAP_H_ 
 
struct MyErrorHandler { 
	struct jpeg_error_mgr pub; 
	jmp_buf setjmp_buffer; 
}; 
 
class Bitmap : public Character { 
 public: 
	long		 width; 
	long		 height; 
        long             bpl; 
	long		 depth; 
 
	unsigned char 	*pixels;		// Array of Pixels 
	Color		*colormap; 	// Array of color definitions 
	long		 nbColors; 
 
	unsigned char 	*alpha_buf;	// Array of alpha values (no alpha if NULL) 
 
	int		 defLevel; 
 
// Class Variables 
 
	static int haveTables; 
	static struct jpeg_decompress_struct jpegObject; 
	static struct jpeg_source_mgr jpegSourceManager; 
	static MyErrorHandler jpegErrorMgr; 
 
public: 
	Bitmap(long id, int level = 1); 
	~Bitmap(); 
 
	// JPEG handling methods 
	int	 buildFromJpegInterchangeData(unsigned char *stream, int alpha, long offset);	// Complete 
	int	 buildFromJpegAbbreviatedData(unsigned char *stream);	// Abbreviated 
 
		// Class Method 
	static int readJpegTables(unsigned char *stream);	// Tables Only 
 
	// ZLIB handling methods 
	int	 buildFromZlibData(unsigned char *buffer, 
					int width, int height, 
					int format, int tableSize); 
 
	long		 getWidth(); 
	long		 getHeight(); 
	Color   	*getColormap(long *n); 
	unsigned char 	*getPixels(); 
}; 
 
#endif /* _BITMAP_H_ */