49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ags/lib/allegro/gfx.h"
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#include "ags/lib/allegro/color.h"
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namespace AGS3 {
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/* lookup table for scaling 5 bit colors up to 8 bits */
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const int _rgb_scale_5[32] = {
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0, 8, 16, 24, 33, 41, 49, 57,
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66, 74, 82, 90, 99, 107, 115, 123,
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132, 140, 148, 156, 165, 173, 181, 189,
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198, 206, 214, 222, 231, 239, 247, 255
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};
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/* lookup table for scaling 6 bit colors up to 8 bits */
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const int _rgb_scale_6[64] = {
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0, 4, 8, 12, 16, 20, 24, 28,
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32, 36, 40, 44, 48, 52, 56, 60,
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65, 69, 73, 77, 81, 85, 89, 93,
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97, 101, 105, 109, 113, 117, 121, 125,
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130, 134, 138, 142, 146, 150, 154, 158,
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162, 166, 170, 174, 178, 182, 186, 190,
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195, 199, 203, 207, 211, 215, 219, 223,
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227, 231, 235, 239, 243, 247, 251, 255
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};
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} // namespace AGS3
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