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/* This file is part of the KDE project
Copyright (C) 2002-2003 Nadeem Hasan <nhasan@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the Lesser GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
*/
#ifndef PCX_H
#define PCX_H
#include <qglobal.h>
#include <qdatastream.h>
#include <qcolor.h>
class QImageIO;
extern "C"
{
void kimgio_pcx_read( QImageIO * );
void kimgio_pcx_write( QImageIO * );
}
class RGB
{
public:
RGB() { }
RGB( const QRgb color )
{
r = qRed( color );
g = qGreen( color );
b = qBlue( color );
}
Q_UINT8 r;
Q_UINT8 g;
Q_UINT8 b;
};
class Palette
{
public:
Palette() { }
void setColor( int i, const QRgb color )
{
rgb[ i ] = RGB( color );
}
QRgb color( int i ) const
{
return qRgb( rgb[ i ].r, rgb[ i ].g, rgb[ i ].b );
}
struct RGB rgb[ 16 ];
};
class PCXHEADER
{
public:
PCXHEADER();
inline int width() const { return ( XMax-XMin ) + 1; }
inline int height() const { return ( YMax-YMin ) + 1; }
inline bool isCompressed() const { return ( Encoding==1 ); }
Q_UINT8 Manufacturer; // Constant Flag, 10 = ZSoft .pcx
Q_UINT8 Version; // Version informationˇ
// 0 = Version 2.5 of PC Paintbrushˇ
// 2 = Version 2.8 w/palette informationˇ
// 3 = Version 2.8 w/o palette informationˇ
// 4 = PC Paintbrush for Windows(Plus for
// Windows uses Ver 5)ˇ
// 5 = Version 3.0 and > of PC Paintbrush
// and PC Paintbrush +, includes
// Publisher's Paintbrush . Includes
// 24-bit .PCX filesˇ
Q_UINT8 Encoding; // 1 = .PCX run length encoding
Q_UINT8 Bpp; // Number of bits to represent a pixel
// (per Plane) - 1, 2, 4, or 8ˇ
Q_UINT16 XMin;
Q_UINT16 YMin;
Q_UINT16 XMax;
Q_UINT16 YMax;
Q_UINT16 HDpi;
Q_UINT16 YDpi;
Palette ColorMap;
Q_UINT8 Reserved; // Should be set to 0.
Q_UINT8 NPlanes; // Number of color planes
Q_UINT16 BytesPerLine; // Number of bytes to allocate for a scanline
// plane. MUST be an EVEN number. Do NOT
// calculate from Xmax-Xmin.ˇ
Q_UINT16 PaletteInfo; // How to interpret palette- 1 = Color/BW,
// 2 = Grayscale ( ignored in PB IV/ IV + )ˇ
Q_UINT16 HScreenSize; // Horizontal screen size in pixels. New field
// found only in PB IV/IV Plus
Q_UINT16 VScreenSize; // Vertical screen size in pixels. New field
// found only in PB IV/IV Plus
} KDE_PACKED;
#endif // PCX_H
/* vim: et sw=2 ts=2
*/
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