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

162 lines
4.1 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 "common/file.h"
#include "graphics/palette.h"
#include "image/bmp.h"
#include "bagel/boflib/palette.h"
#include "bagel/spacebar/boflib/app.h"
#include "bagel/spacebar/boflib/file.h"
#include "bagel/boflib/file_functions.h"
namespace Bagel {
namespace SpaceBar {
CBofPalette *CBofPalette::_pSharedPalette;
char CBofPalette::_szSharedPalFile[MAX_FNAME];
PaletteData::PaletteData(int16 numColors) : _numColors(numColors) {
Common::fill(&_data[0], &_data[Graphics::PALETTE_SIZE], 0);
}
void CBofPalette::initialize() {
_pSharedPalette = nullptr;
_szSharedPalFile[0] = '\0';
}
CBofPalette::CBofPalette() {
Common::fill(&_palette._data[0], &_palette._data[Graphics::PALETTE_SIZE], 0);
}
CBofPalette::CBofPalette(const char *pszFileName) {
Common::fill(&_palette._data[0], &_palette._data[Graphics::PALETTE_SIZE], 0);
assert(pszFileName != nullptr);
loadPalette(pszFileName);
}
CBofPalette::CBofPalette(const PaletteData &paletteData) {
_palette = paletteData;
}
CBofPalette::~CBofPalette() {
assert(isValidObject(this));
// If we trash the games palette, then reset it back to nullptr.
CBofApp *pApp = CBofApp::getApp();
if (pApp != nullptr) {
if (this == pApp->getPalette()) {
pApp->setPalette(nullptr);
}
}
ReleasePalette();
}
void CBofPalette::setPalette(const PaletteData &PaletteData) {
assert(isValidObject(this));
ReleasePalette();
_palette = PaletteData;
}
ErrorCode CBofPalette::loadPalette(const char *pszFileName, uint16 nFlags) {
assert(isValidObject(this));
// Validate input
assert(pszFileName != nullptr);
ReleasePalette();
// Load in new bitmap file to get the palette
Common::File f;
Image::BitmapDecoder decoder;
if (f.open(pszFileName) && decoder.loadStream(f)) {
// Copy the palette
const Graphics::Palette &pal = decoder.getPalette();
_palette._numColors = pal.size();
pal.grab(_palette._data, 0, pal.size());
_errCode = ERR_NONE;
} else {
_errCode = ERR_FREAD;
}
return _errCode;
}
void CBofPalette::ReleasePalette() {
Common::fill(_palette._data, _palette._data + Graphics::PALETTE_SIZE, 0);
}
CBofPalette *CBofPalette::copyPalette() {
assert(isValidObject(this));
return nullptr;
}
byte CBofPalette::getNearestIndex(COLORREF stRGB) {
Graphics::PaletteLookup lookup(_palette._data, Graphics::PALETTE_COUNT);
return lookup.findBestColor(GetRed(stRGB), GetGreen(stRGB), GetBlue(stRGB));
}
COLORREF CBofPalette::getColor(byte nIndex) {
const byte *rgb = &_palette._data[nIndex * 3];
COLORREF cColor = RGB(rgb[0], rgb[1], rgb[2]);
return cColor;
}
ErrorCode CBofPalette::createDefault(uint16 nFlags) {
assert(isValidObject(this));
byte *pal = _palette._data;
for (int i = 0; i < 256; ++i, pal += 3)
pal[0] = pal[1] = pal[2] = (byte)i;
return ERR_NONE;
}
ErrorCode CBofPalette::setSharedPalette(const char *pszFileName) {
delete _pSharedPalette;
_pSharedPalette = nullptr;
// Save name of file used to get the shared palette
if (pszFileName != nullptr) {
Common::strcpy_s(_szSharedPalFile, pszFileName);
}
return ERR_NONE;
}
CBofPalette *CBofPalette::getSharedPalette() {
// Do we need to load the shared palette?
if (_pSharedPalette == nullptr && fileExists(_szSharedPalFile))
_pSharedPalette = new CBofPalette(_szSharedPalFile);
return _pSharedPalette;
}
} // namespace SpaceBar
} // namespace Bagel