File indexing completed on 2024-05-12 05:46:50

 /* This file is part of the KDE project
    Copyright (C) 2003 Dominik Seichter <domseichter@web.de>
    Copyright (C) 2004 Ignacio Castaño <castano@ludicon.com>
 
    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.
 */
 
 /* this code supports:
  * reading:
  *     uncompressed and run length encoded indexed, grey and color tga files.
  *     image types 1, 2, 3, 9, 10 and 11.
  *     only RGB color maps with no more than 256 colors.
  *     pixel formats 8, 15, 24 and 32.
  * writing:
  *     uncompressed true color tga files
  */
 #ifndef TGA_H
 #define TGA_H
 
 #include <QDataStream>
 #include <QImage>
 #include <QColor>
 
 // Header format of saved files.
 const uchar targaMagic[12] = { 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 
 enum TGAType {
     TGA_TYPE_INDEXED        = 1,
     TGA_TYPE_RGB            = 2,
     TGA_TYPE_GREY           = 3,
     TGA_TYPE_RLE_INDEXED    = 9,
     TGA_TYPE_RLE_RGB        = 10,
     TGA_TYPE_RLE_GREY       = 11
 };
 
 #define TGA_INTERLEAVE_MASK 0xc0
 #define TGA_INTERLEAVE_NONE 0x00
 #define TGA_INTERLEAVE_2WAY 0x40
 #define TGA_INTERLEAVE_4WAY 0x80
 
 #define TGA_ORIGIN_MASK     0x30
 #define TGA_ORIGIN_LEFT     0x00
 #define TGA_ORIGIN_RIGHT    0x10
 #define TGA_ORIGIN_LOWER    0x00
 #define TGA_ORIGIN_UPPER    0x20
 
 /** Tga Header. */
 struct TgaHeader {
     uchar id_length;
     uchar colormap_type;
     uchar image_type;
     ushort colormap_index;
     ushort colormap_length;
     uchar colormap_size;
     ushort x_origin;
     ushort y_origin;
     ushort width;
     ushort height;
     uchar pixel_size;
     uchar flags;
 
     enum { SIZE = 18 }; // const static int SIZE = 18;
 };
 
 
 struct Color555 {
     ushort b : 5;
     ushort g : 5;
     ushort r : 5;
 };
 
 struct TgaHeaderInfo {
     bool rle;
     bool pal;
     bool rgb;
     bool grey;
 
     TgaHeaderInfo(const TgaHeader & tga) : rle(false), pal(false), rgb(false), grey(false) {
         switch (tga.image_type) {
         case TGA_TYPE_RLE_INDEXED:
             rle = true;
             Q_FALLTHROUGH();
         case TGA_TYPE_INDEXED:
             pal = true;
             break;
 
         case TGA_TYPE_RLE_RGB:
             rle = true;
             Q_FALLTHROUGH();
         case TGA_TYPE_RGB:
             rgb = true;
             break;
         case TGA_TYPE_RLE_GREY:
             rle = true;
             Q_FALLTHROUGH();
         case TGA_TYPE_GREY:
             grey = true;
             break;
         default:
             // Error, unknown image type.
             break;
         }
     }
 };
 
 
 
 
 
 
 #endif // TGA_H