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-rw-r--r--engines/groovie/font.cpp128
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diff --git a/engines/groovie/font.cpp b/engines/groovie/font.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 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