138 lines
3.8 KiB
C++
138 lines
3.8 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/shared/util/wgt2_allg.h"
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#include "ags/shared/gfx/bitmap.h"
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#include "ags/globals.h"
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namespace AGS3 {
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using namespace AGS::Shared;
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void wsetrgb(int coll, int r, int g, int b, RGB *pall) {
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pall[coll].r = r;
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pall[coll].g = g;
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pall[coll].b = b;
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}
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void wcolrotate(unsigned char start, unsigned char finish, int dir, RGB *pall) {
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int jj;
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if (dir == 0) {
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// rotate left
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RGB tempp = pall[start];
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for (jj = start; jj < finish; jj++)
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pall[jj] = pall[jj + 1];
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pall[finish] = tempp;
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} else {
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// rotate right
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RGB tempp = pall[finish];
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for (jj = finish - 1; jj >= start; jj--)
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pall[jj + 1] = pall[jj];
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pall[start] = tempp;
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}
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}
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Bitmap *wnewblock(Bitmap *src, int x1, int y1, int x2, int y2) {
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Bitmap *tempbitm;
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int twid = (x2 - x1) + 1, thit = (y2 - y1) + 1;
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if (twid < 1)
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twid = 1;
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if (thit < 1)
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thit = 1;
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tempbitm = BitmapHelper::CreateBitmap(twid, thit);
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if (tempbitm == nullptr)
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return nullptr;
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tempbitm->Blit(src, x1, y1, 0, 0, tempbitm->GetWidth(), tempbitm->GetHeight());
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return tempbitm;
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}
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void wputblock(Bitmap *ds, int xx, int yy, Bitmap *bll, int xray) {
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if (xray)
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ds->Blit(bll, xx, yy, kBitmap_Transparency);
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else
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ds->Blit(bll, 0, 0, xx, yy, bll->GetWidth(), bll->GetHeight());
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}
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void wputblock_raw(Bitmap *ds, int xx, int yy, BITMAP *bll, int xray) {
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_G(wputblock_wrapper).WrapAllegroBitmap(bll, true);
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if (xray)
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ds->Blit(&_G(wputblock_wrapper), xx, yy, kBitmap_Transparency);
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else
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ds->Blit(&_G(wputblock_wrapper), 0, 0, xx, yy, _G(wputblock_wrapper).GetWidth(), _G(wputblock_wrapper).GetHeight());
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}
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const int col_lookups[32] = {
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0x000000, 0x0000A0, 0x00A000, 0x00A0A0, 0xA00000, // 4
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0xA000A0, 0xA05000, 0xA0A0A0, 0x505050, 0x5050FF, 0x50FF50, 0x50FFFF, // 11
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0xFF5050, 0xFF50FF, 0xFFFF50, 0xFFFFFF, 0x000000, 0x101010, 0x202020, // 18
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0x303030, 0x404040, 0x505050, 0x606060, 0x707070, 0x808080, 0x909090, // 25
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0xA0A0A0, 0xB0B0B0, 0xC0C0C0, 0xD0D0D0, 0xE0E0E0, 0xF0F0F0
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};
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int __wremap_keep_transparent = 1;
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void wremap(RGB *pal1, Bitmap *picc, RGB *pal2) {
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int jj;
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unsigned char color_mapped_table[256];
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for (jj = 0; jj < 256; jj++) {
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if ((pal1[jj].r == 0) && (pal1[jj].g == 0) && (pal1[jj].b == 0)) {
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color_mapped_table[jj] = 0;
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} else {
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color_mapped_table[jj] = bestfit_color(pal2, pal1[jj].r, pal1[jj].g, pal1[jj].b);
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}
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}
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if (__wremap_keep_transparent > 0) {
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// keep transparency
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color_mapped_table[0] = 0;
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// any other pixels which are being mapped to 0, map to 16 instead
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for (jj = 1; jj < 256; jj++) {
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if (color_mapped_table[jj] == 0)
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color_mapped_table[jj] = 16;
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}
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}
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int pic_size = picc->GetWidth() * picc->GetHeight();
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for (jj = 0; jj < pic_size; jj++) {
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int xxl = jj % (picc->GetWidth()), yyl = jj / (picc->GetWidth());
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int rr = picc->GetPixel(xxl, yyl);
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picc->PutPixel(xxl, yyl, color_mapped_table[rr]);
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}
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}
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void wremapall(RGB *pal1, Bitmap *picc, RGB *pal2) {
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__wremap_keep_transparent--;
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wremap(pal1, picc, pal2);
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__wremap_keep_transparent++;
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}
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} // namespace AGS3
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