gemrb/core/Palette.h

   1 /* GemRB - Infinity Engine Emulator
   2  * Copyright (C) 2005-2006 The GemRB Project
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  */
  19
  20 #ifndef PALETTE_H
  21 #define PALETTE_H
  22
  23 #include "RGBAColor.h"
  24 #include "exports.h"
  25 #include "ie_types.h"
  26
  27 #include <cassert>
  28
  29 enum PaletteType {
  30         PAL_MAIN,
  31         PAL_WEAPON,
  32         PAL_OFFHAND,
  33         PAL_HELMET
  34 };
  35
  36 struct RGBModifier {
  37         Color rgb;
  38         int speed;
  39         int phase;
  40         enum Type {
  41                 NONE,
  42                 ADD,
  43                 TINT,
  44                 BRIGHTEN
  45         } type;
  46 };
  47
  48
  49 class GEM_EXPORT Palette {
  50 public:
  51         Palette(const Color* colours, bool alpha_=false) {
  52                 for (int i = 0; i < 256; ++i) {
  53                         col[i] = colours[i];
  54                 }
  55                 alpha = alpha_;
  56                 refcount = 1;
  57                 named = false;
  58         }
  59         Palette() {
  60                 alpha = false;
  61                 refcount = 1;
  62                 named = false;
  63         }
  64         ~Palette() { }
  65
  66         Color col[256]; //< RGB or RGBA 8 bit palette
  67         bool alpha; //< true if this is a RGBA palette
  68         bool named; //< true if the palette comes from a bmp and cached
  69
  70         void IncRef() {
  71                 refcount++;
  72         }
  73
  74         void Release() {
  75                 assert(refcount > 0);
  76                 if (!--refcount)
  77                         delete this;
  78         }
  79
  80         bool IsShared() const {
  81                 return (refcount > 1);
  82         }
  83
  84         void CreateShadedAlphaChannel();
  85
  86         void SetupPaperdollColours(const ieDword* Colors, unsigned int type);
  87         void SetupRGBModification(const Palette* src, const RGBModifier* mods,
  88                 unsigned int type);
  89         void SetupGlobalRGBModification(const Palette* src,
  90                 const RGBModifier& mod);
  91
  92         Palette* Copy();
  93
  94 private:
  95         unsigned int refcount;
  96
  97 };
  98
  99 #endif