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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/>.
*
*/
//=============================================================================
//
// Implementation from wgt2allg.cpp specific to Engine runtime
//
//=============================================================================
#include "ags/lib/allegro.h"
#include "ags/shared/util/wgt2_allg.h"
namespace AGS3 {
void __my_setcolor(int *ctset, int newcol, int wantColDep) {
if (wantColDep == 8)
ctset[0] = newcol;
else if (newcol & 0x40000000) // already calculated it
ctset[0] = newcol;
else if ((newcol >= 32) && (wantColDep > 16)) {
// true-color
#ifdef SWAP_RB_HICOL_FOR_32to24_32
ctset[0] = makeacol32(getb16(newcol), getg16(newcol), getr16(newcol), 255);
#else
ctset[0] = makeacol32(getr16(newcol), getg16(newcol), getb16(newcol), 255);
#endif
} else if (newcol >= 32) {
// If it's 15-bit, convert the color
if (wantColDep == 15)
ctset[0] = (newcol & 0x001f) | ((newcol >> 1) & 0x7fe0);
else
ctset[0] = newcol;
} else {
ctset[0] = makecol_depth(wantColDep, col_lookups[newcol] >> 16,
(col_lookups[newcol] >> 8) & 0x000ff, col_lookups[newcol] & 0x000ff);
// in case it's used on an alpha-channel sprite, make sure it's visible
if (wantColDep > 16)
ctset[0] |= 0xff000000;
}
// if it's 32-bit color, signify that the colour has been calculated
//if (wantColDep >= 24)
// ctset[0] |= 0x40000000;
}
} // namespace AGS3
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