More renaming

svn-id: r47009

1 files changed, 101 insertions, 0 deletions

diff --git a/engines/sci/graphics/font.cpp b/engines/sci/graphics/font.cpp
new file mode 100644
index 0000000000..6b20899c26
--- /dev/null
+++ b/engines/sci/graphics/font.cpp
@@ -0,0 +1,101 @@
+/* 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 "sci/sci.h"
+#include "sci/engine/state.h"
+#include "sci/graphics/screen.h"
+#include "sci/graphics/font.h"
+
+namespace Sci {
+
+Font::Font(ResourceManager *resMan, GuiResourceId resourceId)
+	: _resourceId(resourceId), _resMan(resMan) {
+	assert(resourceId != -1);
+
+	// Workaround: lsl1sci mixes its own internal fonts with the global
+	// SCI ones, so we translate them here, by removing their extra bits
+	if (!resMan->testResource(ResourceId(kResourceTypeFont, resourceId)))
+		resourceId = resourceId & 0x7ff;
+
+	_resource = resMan->findResource(ResourceId(kResourceTypeFont, resourceId), true);
+	if (!_resource) {
+		error("font resource %d not found", resourceId);
+	}
+	_resourceData = _resource->data;
+
+	_numChars = READ_LE_UINT16(_resourceData + 2);
+	_fontHeight = READ_LE_UINT16(_resourceData + 4);
+	_chars = new Charinfo[_numChars];
+	// filling info for every char
+	for (int16 i = 0; i < _numChars; i++) {
+		_chars[i].offset = READ_LE_UINT16(_resourceData + 6 + i * 2);
+		_chars[i].w = _resourceData[_chars[i].offset];
+		_chars[i].h = _resourceData[_chars[i].offset + 1];
+	}
+}
+
+Font::~Font() {
+	delete []_chars;
+	_resMan->unlockResource(_resource);
+}
+
+GuiResourceId Font::getResourceId() {
+	return _resourceId;
+}
+
+byte Font::getHeight() {
+	return _fontHeight;
+}
+byte Font::getCharWidth(byte chr) {
+	return chr < _numChars ? _chars[chr].w : 0;
+}
+byte Font::getCharHeight(byte chr) {
+	return chr < _numChars ? _chars[chr].h : 0;
+}
+byte *Font::getCharData(byte chr) {
+	return chr < _numChars ? _resourceData + _chars[chr].offset + 2 : 0;
+}
+
+void Font::draw(Screen *screen, int16 chr, int16 top, int16 left, byte color, bool greyedOutput) {
+	int charWidth = MIN<int>(getCharWidth(chr), screen->_width - left);
+	int charHeight = MIN<int>(getCharHeight(chr), 200 - top);
+	byte b = 0, mask = 0xFF;
+	int y = top;
+
+	byte *pIn = getCharData(chr);
+	for (int i = 0; i < charHeight; i++, y++) {
+		if (greyedOutput)
+			mask = top++ % 2 ? 0xAA : 0x55;
+		for (int done = 0; done < charWidth; done++) {
+			if ((done & 7) == 0) // fetching next data byte
+				b = *(pIn++) & mask;
+			if (b & 0x80) // if MSB is set - paint it
+				screen->putPixel(left + done, y, 1, color, 0, 0);
+			b = b << 1;
+		}
+	}
+}
+
+} // End of namespace Sci