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engines/sherlock/fonts.h

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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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SHERLOCK_FONTS_H
+#define SHERLOCK_FONTS_H
+
+#include "common/rect.h"
+#include "common/platform.h"
+#include "graphics/big5.h"
+#include "graphics/surface.h"
+
+namespace Sherlock {
+
+class SherlockEngine;
+class ImageFile;
+class BaseSurface;
+
+class Fonts {
+private:
+	struct ChinaFontCodElement {
+		uint16 a;
+		uint16 b;
+		uint8 c;
+	};
+	static ImageFile *_font;
+	static byte *_chineseFont;
+	static Graphics::Big5Font *_big5Font;
+	static byte _yOffsets[255];
+	static int _fontNumber;
+	static int _fontHeight;
+	static int _widestChar;
+	static uint16 _charCount;
+	static bool _isModifiedEucCn;
+	static bool _isBig5;
+
+	static inline byte translateChar(byte c);
+protected:
+	static SherlockEngine *_vm;
+
+	static void writeString(BaseSurface *surface, const Common::String &str,
+		const Common::Point &pt, int overrideColor = 0);
+
+public:
+	static const int kChineseWidth = 16;
+	static const int kChineseHeight = 16;
+
+	/**
+	 * Initialise the font manager
+	 */
+	static void setVm(SherlockEngine *vm);
+
+	/**
+	 * Frees the font manager
+	 */
+	static void freeFont();
+
+	static bool isModifiedEucCn() { return _isModifiedEucCn; }
+	static bool isBig5() { return _isBig5; }
+
+	/**
+	 * Set the font to use for writing text on the screen
+	 */
+	void setFont(int fontNum);
+
+	/**
+	 * Returns the width of a string in pixels
+	 */
+	int stringWidth(const Common::String &str);
+
+	/**
+	 * Returns the height of a string in pixels (i.e. the tallest displayed character)
+	 */
+	int stringHeight(const Common::String &str);
+
+	static Common::String unescape(const Common::String& in);
+
+	/**
+	 * Returns the width of a character in pixels
+	 */
+	int charWidth(const char *str, int &idx);
+
+	/**
+	 * Returns the width of a character in pixels
+	 */
+	int charWidth(char ch);
+
+	/**
+	 * Returns the width of a character in pixels
+	 */
+	int charHeight(unsigned char c);
+
+	/**
+	 * Return the font height
+	 */
+	int fontHeight() const { return _chineseFont || _isBig5 ? MAX(_fontHeight, 16) : _fontHeight; }
+
+	/**
+	 * Return the width of the widest character in the font
+	 */
+	int widestChar() const { return _widestChar; }
+
+	/**
+	 * Return the currently active font number
+	 */
+	int fontNumber() const { return _fontNumber; }
+
+	Common::Array<Common::String> wordWrap(const Common::String &str, uint maxWidth, Common::String &rem,
+					       uint maxChars = Common::String::npos, uint maxLines = Common::String::npos, bool skipHeadAt = false);
+	Common::Array<Common::String> wordWrap(const Common::String &str, uint maxWidth,
+					       uint maxChars = Common::String::npos, uint maxLines = Common::String::npos, bool skipHeadAt = false);
+};
+
+} // End of namespace Sherlock
+
+#endif