diff options
Diffstat (limited to 'engines/prince/font.cpp')
-rw-r--r-- | engines/prince/font.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/engines/prince/font.cpp b/engines/prince/font.cpp new file mode 100644 index 0000000000..e81a93d1a1 --- /dev/null +++ b/engines/prince/font.cpp @@ -0,0 +1,94 @@ +/* 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "common/archive.h" +#include "common/debug.h" +#include "common/stream.h" + +#include "prince/font.h" +#include "prince/prince.h" + +namespace Prince { + +Font::Font() : _fontData(nullptr) { +} + +Font::~Font() { + if (_fontData != nullptr) { + free(_fontData); + _fontData = nullptr; + } +} + +bool Font::loadStream(Common::SeekableReadStream &stream) { + stream.seek(0); + uint32 dataSize = stream.size(); + _fontData = (byte *)malloc(dataSize); + stream.read(_fontData, stream.size()); + return true; +} + +int Font::getFontHeight() const { + return _fontData[5]; +} + +int Font::getMaxCharWidth() const { + return 0; +} + +Font::ChrData Font::getChrData(byte chr) const { + chr -= 32; + uint16 chrOffset = 4 * chr + 6; + + ChrData chrData; + chrData._width = _fontData[chrOffset + 2]; + chrData._height = _fontData[chrOffset + 3]; + chrData._pixels = _fontData + READ_LE_UINT16(_fontData + chrOffset); + + return chrData; +} + +int Font::getCharWidth(uint32 chr) const { + return getChrData(chr)._width; +} + +void Font::drawChar(Graphics::Surface *dst, uint32 chr, int posX, int posY, uint32 color) const { + const ChrData chrData = getChrData(chr); + Common::Rect screenRect(0, 0, PrinceEngine::kNormalWidth, PrinceEngine::kNormalHeight); + + for (int y = 0; y < chrData._height; y++) { + for (int x = 0; x < chrData._width; x++) { + byte d = chrData._pixels[x + (chrData._width * y)]; + if (d == 0) d = 255; + else if (d == 1) d = 0; + else if (d == 2) d = color; + else if (d == 3) d = 0; + if (d != 255) { + if (screenRect.contains(posX + x, posY + y)) { + *(byte *)dst->getBasePtr(posX + x, posY + y) = d; + } + } + } + } +} + +} // End of namespace Prince |