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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/>.
*
*/
#include "common/system.h"
#include "common/debug.h"
#include "graphics/palette.h"
#include "graphics/paletteman.h"
#include "graphics/screen.h"
#include "mm/mm1/gfx/gfx.h"
namespace MM {
namespace MM1 {
namespace Gfx {
byte EGA_INDEXES[EGA_PALETTE_COUNT];
void GFX::setEgaPalette() {
Graphics::Palette ega = Graphics::Palette::createEGAPalette();
g_system->getPaletteManager()->setPalette(ega);
uint32 c = 0xffffffff;
g_system->getPaletteManager()->setPalette((const byte *)&c, 255, 1);
// Set the EGA palette indexes to be themselves
for (int i = 0; i < EGA_PALETTE_COUNT; ++i)
EGA_INDEXES[i] = i;
}
void GFX::findPalette(const byte palette[256 * 3]) {
Graphics::Palette ega = Graphics::Palette::createEGAPalette();
const byte *data = ega.data();
for (int col = 0; col < 16; ++col) {
byte r = data[col * 3 + 2];
byte g = data[col * 3 + 1];
byte b = data[col * 3 + 0];
int closestDiff = 0x7fffffff;
byte closest = 0;
const byte *pal = &palette[0];
for (int i = 0; i < 256; ++i, pal += 3) {
int diff = ABS((int)r - (int)pal[0]) +
ABS((int)g - (int)pal[1]) +
ABS((int)b - (int)pal[2]);
if (diff < closestDiff) {
closestDiff = diff;
closest = i;
}
}
EGA_INDEXES[col] = closest;
}
}
} // namespace Gfx
} // namespace MM1
} // namespace MM
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