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/*
* PPMPump.cc -- PPM Pump Implementation
* Copyright (C) 2003 Charles Yates <charles.yates@pandora.be>
*
* 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 _KINO_PPM_PUMP_
#define _KINO_PPM_PUMP_
#include <stdio.h>
#include <string>
using std::string;
#include "DVPump.h"
class PPMFrame
{
public:
PPMFrame();
PPMFrame( int width, int height );
PPMFrame( PPMFrame &frame );
virtual ~PPMFrame();
virtual int ReadData( uint8_t *data, int length );
virtual int WriteData( uint8_t *data, int length );
virtual bool Flush( );
uint8_t *GetImage( ) const;
uint8_t *GetImage( int &_width, int &_height ) const;
virtual bool ReadImage( );
virtual bool WriteImage( bool alpha = false );
bool GetPixel( uint8_t rgb[ 4 ], int x, int y );
bool SetPixel( uint8_t rgb[ 4 ], int x, int y );
void FillArea( int x, int y, int width, int height, uint8_t rgb[ 4 ] );
bool Scale( int _width, int _height, int _quality = 3 );
bool Overlay( string file, int x, int y, int w, int h, double weight = 1.0 );
bool Overlay( PPMFrame &frame, int x, int y, int w, int h, double weight = 1.0 );
bool Copy( PPMFrame & );
bool Load( string filename );
// Temporary
void ExtractHeader( ) { }
int GetWidth( ) { return width; }
int GetHeight( ) { return height; }
private:
int ReadNumber( );
bool ReadHeader( char *, int &, int &, int & );
uint8_t *image;
int width;
int height;
string description;
};
class PPMPump :
public DataPump < PPMFrame >
{
};
#endif
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