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-rw-r--r--engines/prince/font.cpp94
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diff --git a/engines/prince/font.cpp b/engines/prince/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.
+ *
+ */
+
+#include "common/archive.h"
+#include "common/debug.h"
+#include "common/stream.h"
+
+#include "prince/font.h"
+#include "prince/prince.h"
+
+namespace Prince {
+
+Font::Font() : _fontData(nullptr) {
+}
+
+Font::~Font() {
+ if (_fontData != nullptr) {
+ free(_fontData);
+ _fontData = nullptr;
+ }
+}
+
+bool Font::loadStream(Common::SeekableReadStream &stream) {
+ stream.seek(0);
+ uint32 dataSize = stream.size();
+ _fontData = (byte *)malloc(dataSize);
+ stream.read(_fontData, stream.size());
+ return true;
+}
+
+int Font::getFontHeight() const {
+ return _fontData[5];
+}
+
+int Font::getMaxCharWidth() const {
+ return 0;
+}
+
+Font::ChrData Font::getChrData(byte chr) const {
+ chr -= 32;
+ uint16 chrOffset = 4 * chr + 6;
+
+ ChrData chrData;
+ chrData._width = _fontData[chrOffset + 2];
+ chrData._height = _fontData[chrOffset + 3];
+ chrData._pixels = _fontData + READ_LE_UINT16(_fontData + chrOffset);
+
+ return chrData;
+}
+
+int Font::getCharWidth(uint32 chr) const {
+ return getChrData(chr)._width;
+}
+
+void Font::drawChar(Graphics::Surface *dst, uint32 chr, int posX, int posY, uint32 color) const {
+ const ChrData chrData = getChrData(chr);
+ Common::Rect screenRect(0, 0, PrinceEngine::kNormalWidth, PrinceEngine::kNormalHeight);
+
+ for (int y = 0; y < chrData._height; y++) {
+ for (int x = 0; x < chrData._width; x++) {
+ byte d = chrData._pixels[x + (chrData._width * y)];
+ if (d == 0) d = 255;
+ else if (d == 1) d = 0;
+ else if (d == 2) d = color;
+ else if (d == 3) d = 0;
+ if (d != 255) {
+ if (screenRect.contains(posX + x, posY + y)) {
+ *(byte *)dst->getBasePtr(posX + x, posY + y) = d;
+ }
+ }
+ }
+ }
+}
+
+} // End of namespace Prince