diff options
Diffstat (limited to 'engines/groovie/font.cpp')
-rw-r--r-- | engines/groovie/font.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/engines/groovie/font.cpp b/engines/groovie/font.cpp new file mode 100644 index 0000000000..cabb7563a1 --- /dev/null +++ b/engines/groovie/font.cpp @@ -0,0 +1,128 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#include "common/file.h" +#include "graphics/surface.h" + +#include "groovie/font.h" + +namespace Groovie { + +Font::Font(OSystem *syst) : + _syst(syst), _sphinxfnt(NULL) { + + Common::File fontfile; + if (!fontfile.open("sphinx.fnt")) { + error("Groovie::Font: Couldn't open sphinx.fnt"); + } + uint16 fontfilesize = fontfile.size(); + _sphinxfnt = fontfile.readStream(fontfilesize); + fontfile.close(); +} + +Font::~Font() { + delete _sphinxfnt; +} + +void Font::printstring(char *messagein) { + uint16 totalwidth = 0, currxoffset, i; + + char message[15]; + memset(message, 0, 15); + + // Clear the top bar + Common::Rect topbar(640, 80); + Graphics::Surface *gamescreen; + gamescreen = _syst->lockScreen(); + gamescreen->fillRect(topbar, 0); + _syst->unlockScreen(); + + for (i = 0; i < 14; i++) { + char chartocopy = messagein[i]; + if (chartocopy <= 0x00 || chartocopy == 0x24) { + break; + } + message[i] = chartocopy; + } + Common::rtrim(message); + for (i = 0; i < strlen(message); i++) { + totalwidth += letterwidth(message[i]); + } + currxoffset = (640 - totalwidth) / 2; + char *currpos = message; + while (*(currpos) != 0) { + currxoffset += printletter(*(currpos++), currxoffset); + } +} + +uint16 Font::letteroffset(char letter) { + uint16 offset; + offset = letter; + _sphinxfnt->seek(offset); + offset = _sphinxfnt->readByte() * 2 + 128; + _sphinxfnt->seek(offset); + offset = _sphinxfnt->readUint16LE(); + return offset; +} + +uint8 Font::letterwidth(char letter) { + uint16 offset = letteroffset(letter); + _sphinxfnt->seek(offset); + return _sphinxfnt->readByte(); +} + +uint8 Font::letterheight(char letter) { + uint16 offset, width, julia, data, counter = 0; + offset = letteroffset(letter); + _sphinxfnt->seek(offset); + width = _sphinxfnt->readByte(); + julia = _sphinxfnt->readByte(); + data = _sphinxfnt->readByte(); + while (data != 0xFF) { + data = _sphinxfnt->readByte(); + counter++; + } + if (counter % width != 0) assert("font file corrupt"); + return counter / width; +} + + +uint8 Font::printletter(char letter, uint16 xoffset) { + uint16 offset, width, height, julia; + offset = letteroffset(letter); + height = letterheight(letter); + _sphinxfnt->seek(offset); + width = _sphinxfnt->readByte(); + julia = _sphinxfnt->readByte(); + + byte *data = new byte[width * height]; + _sphinxfnt->read(data, width * height); + _syst->copyRectToScreen(data, width, xoffset, 16, width, height); + delete data; + + return width; +} + +} // End of Groovie namespace |