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2026-02-02 04:50:13 +01:00

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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ULTIMA8_GFX_PAL_TRANSFORMS_H
#define ULTIMA8_GFX_PAL_TRANSFORMS_H
namespace Ultima {
namespace Ultima8 {
enum PalTransforms {
// Normal untransformed palette
Transform_None = 0,
// O[i] = I[r]*0.375 + I[g]*0.5 + I[b]*0.125;
Transform_Greyscale = 1,
// O[r] = 0;
Transform_NoRed = 2,
// O[i] = (I[i] + Grey)*0.25 + 0.1875;
Transform_RainStorm = 3,
// O[r] = (I[r] + Grey)*0.5 + 0.1875;
// O[g] = I[g]*0.5 + Grey*0.25;
// O[b] = I[b]*0.5;
Transform_FireStorm = 4,
// O[i] = I[i]*2 -Grey;
Transform_Saturate = 5,
// O[g] = I[r]; O[b] = I[g]; O[r] = I[b];
Transform_GBR = 6,
// O[b] = I[r]; O[r] = I[g]; O[g] = I[b];
Transform_BRG = 7,
// Any value beyond this is invalid in savegames.
Transform_Invalid = 8
};
} // End of namespace Ultima8
} // End of namespace Ultima
#endif