Initial commit

engines/darkseed/big5font.cpp

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+/* 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 "darkseed/darkseed.h"
+#include "darkseed/big5font.h"
+
+#include "graphics/fonts/dosfont.h"
+
+namespace Darkseed {
+
+Big5Font::Big5Font() {
+	Common::File fontData;
+	if (!fontData.open("big5font_game.dat")) {
+		error("Error: failed to open big5font_game.dat");
+	}
+	_big5.loadPrefixedRaw(fontData, 15);
+	fontData.close();
+}
+
+int Big5Font::getFontHeight() const {
+	return 15;
+}
+
+int Big5Font::getMaxCharWidth() const {
+	return 17;
+}
+
+int Big5Font::getCharWidth(uint32 chr) const {
+	if (_big5.hasGlyphForBig5Char(chr)) {
+		return getMaxCharWidth();
+	}
+	return 9;
+}
+
+void Big5Font::drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint32 color) const {
+	Common::Point charPos = {(int16)x, (int16)y};
+	if (_big5.drawBig5Char(g_engine->_screen->surfacePtr(), chr, charPos, 0xf)) {
+		charPos.x++;
+		_big5.drawBig5Char(g_engine->_screen->surfacePtr(), chr, charPos, 0xc);
+		charPos.x += Graphics::Big5Font::kChineseTraditionalWidth + 1;
+	} else if (chr < 128) {
+		drawBiosFontGlyph(chr, x, y, 0xf);
+		drawBiosFontGlyph(chr, x+1, y, 0xc);
+	}
+}
+
+void Big5Font::drawBiosFontGlyph(uint8 chr, int x, int y, uint8 color) const {
+	byte *ptr = (byte *)g_engine->_screen->getBasePtr(x, y);
+	int srcPixel = chr * 8;
+	for (int sy = 0; sy < 8; sy++) {
+		for (int sx = 0; sx < 8; sx++) {
+			if (Graphics::DosFont::fontData_PCBIOS[srcPixel] & 1 << (7 - sx)) {
+				*ptr = color;
+				ptr[g_engine->_screen->pitch] = color;
+			}
+			ptr++;
+		}
+		srcPixel++;
+		ptr -= 8;
+		ptr += (g_engine->_screen->pitch * 2);
+	}
+}
+
+} // namespace Darkseed