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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 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
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