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

138 lines
3.8 KiB
C++

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