mirror of
https://github.com/libretro/scummvm.git
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129 lines
3.3 KiB
C++
129 lines
3.3 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/file.h"
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#include "graphics/surface.h"
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#include "groovie/font.h"
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namespace Groovie {
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Font::Font(OSystem *syst) :
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_syst(syst), _sphinxfnt(NULL) {
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Common::File fontfile;
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if (!fontfile.open("sphinx.fnt")) {
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error("Groovie::Font: Couldn't open sphinx.fnt");
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}
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uint16 fontfilesize = fontfile.size();
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_sphinxfnt = fontfile.readStream(fontfilesize);
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fontfile.close();
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}
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Font::~Font() {
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delete _sphinxfnt;
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}
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void Font::printstring(char *messagein) {
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uint16 totalwidth = 0, currxoffset, i;
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char message[15];
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memset(message, 0, 15);
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// Clear the top bar
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Common::Rect topbar(640, 80);
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Graphics::Surface *gamescreen;
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gamescreen = _syst->lockScreen();
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gamescreen->fillRect(topbar, 0);
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_syst->unlockScreen();
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for (i = 0; i < 14; i++) {
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char chartocopy = messagein[i];
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if (chartocopy <= 0x00 || chartocopy == 0x24) {
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break;
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}
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message[i] = chartocopy;
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}
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Common::rtrim(message);
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for (i = 0; i < strlen(message); i++) {
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totalwidth += letterwidth(message[i]);
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}
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currxoffset = (640 - totalwidth) / 2;
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char *currpos = message;
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while (*(currpos) != 0) {
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currxoffset += printletter(*(currpos++), currxoffset);
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}
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}
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uint16 Font::letteroffset(char letter) {
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uint16 offset;
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offset = letter;
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_sphinxfnt->seek(offset);
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offset = _sphinxfnt->readByte() * 2 + 128;
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_sphinxfnt->seek(offset);
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offset = _sphinxfnt->readUint16LE();
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return offset;
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}
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uint8 Font::letterwidth(char letter) {
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uint16 offset = letteroffset(letter);
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_sphinxfnt->seek(offset);
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return _sphinxfnt->readByte();
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}
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uint8 Font::letterheight(char letter) {
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uint16 offset, width, julia, data, counter = 0;
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offset = letteroffset(letter);
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_sphinxfnt->seek(offset);
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width = _sphinxfnt->readByte();
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julia = _sphinxfnt->readByte();
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data = _sphinxfnt->readByte();
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while (data != 0xFF) {
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data = _sphinxfnt->readByte();
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counter++;
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}
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if (counter % width != 0) assert("font file corrupt");
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return counter / width;
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}
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uint8 Font::printletter(char letter, uint16 xoffset) {
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uint16 offset, width, height, julia;
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offset = letteroffset(letter);
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height = letterheight(letter);
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_sphinxfnt->seek(offset);
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width = _sphinxfnt->readByte();
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julia = _sphinxfnt->readByte();
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byte *data = new byte[width * height];
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_sphinxfnt->read(data, width * height);
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_syst->copyRectToScreen(data, width, xoffset, 16, width, height);
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delete data;
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return width;
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}
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} // End of Groovie namespace
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