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