You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.0 KiB
98 lines
2.0 KiB
// kimgio module for SGI images
|
|
//
|
|
// Copyright (C) 2004 Melchior FRANZ <mfranz@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 KIMG_RGB_H
|
|
#define KIMG_RGB_H
|
|
|
|
#include <tqmap.h>
|
|
#include <tqptrvector.h>
|
|
|
|
|
|
class TQImage;
|
|
class TQImageIO;
|
|
|
|
extern "C" {
|
|
void kimgio_rgb_read(TQImageIO *);
|
|
void kimgio_rgb_write(TQImageIO *);
|
|
}
|
|
|
|
|
|
class RLEData : public TQMemArray<uchar> {
|
|
public:
|
|
RLEData() {}
|
|
RLEData(const uchar *d, uint l, uint o) : m_offset(o) { duplicate(d, l); }
|
|
bool operator<(const RLEData&) const;
|
|
void write(TQDataStream& s);
|
|
void print(TQString) const; // TODO remove
|
|
uint offset() { return m_offset; }
|
|
private:
|
|
uint m_offset;
|
|
};
|
|
|
|
|
|
class RLEMap : public TQMap<RLEData, uint> {
|
|
public:
|
|
RLEMap() : m_counter(0), m_offset(0) {}
|
|
uint insert(const uchar *d, uint l);
|
|
TQPtrVector<RLEData> vector();
|
|
void setBaseOffset(uint o) { m_offset = o; }
|
|
private:
|
|
uint m_counter;
|
|
uint m_offset;
|
|
};
|
|
|
|
|
|
class SGIImage {
|
|
public:
|
|
SGIImage(TQImageIO *);
|
|
~SGIImage();
|
|
|
|
bool readImage(TQImage&);
|
|
bool writeImage(TQImage&);
|
|
|
|
private:
|
|
enum { NORMAL, DITHERED, SCREEN, COLORMAP }; // colormap
|
|
QImageIO *m_io;
|
|
QIODevice *m_dev;
|
|
QDataStream m_stream;
|
|
|
|
TQ_UINT8 m_rle;
|
|
TQ_UINT8 m_bpc;
|
|
TQ_UINT16 m_dim;
|
|
TQ_UINT16 m_xsize;
|
|
TQ_UINT16 m_ysize;
|
|
TQ_UINT16 m_zsize;
|
|
TQ_UINT32 m_pixmin;
|
|
TQ_UINT32 m_pixmax;
|
|
char m_imagename[80];
|
|
TQ_UINT32 m_colormap;
|
|
|
|
TQ_UINT32 *m_starttab;
|
|
TQ_UINT32 *m_lengthtab;
|
|
QByteArray m_data;
|
|
TQByteArray::Iterator m_pos;
|
|
RLEMap m_rlemap;
|
|
TQPtrVector<RLEData> m_rlevector;
|
|
uint m_numrows;
|
|
|
|
bool readData(TQImage&);
|
|
bool getRow(uchar *dest);
|
|
|
|
void writeHeader();
|
|
void writeRle();
|
|
void writeVerbatim(const TQImage&);
|
|
bool scanData(const TQImage&);
|
|
uint compact(uchar *, uchar *);
|
|
uchar intensity(uchar);
|
|
};
|
|
|
|
#endif
|
|
|