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engines/mm/xeen/font.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 XEEN_FONT_H
+#define XEEN_FONT_H
+
+#include "common/language.h"
+#include "mm/shared/xeen/xsurface.h"
+#include "graphics/big5.h"
+
+namespace MM {
+namespace Xeen {
+
+#define FONT_WIDTH 8
+#define FONT_HEIGHT 8
+#define DEFAULT_BG_COLOR 0x99
+
+enum Justify { JUSTIFY_NONE = 0, JUSTIFY_CENTER = 1, JUSTIFY_RIGHT = 2 };
+
+struct FontData {
+	static const byte *_fontData;
+	static Common::Point *_fontWritePos;
+	static byte _textColors[4];
+	static byte _bgColor;
+	static bool _fontReduced;
+	static Justify _fontJustify;
+	static Graphics::Big5Font *_big5Font;
+};
+
+class FontSurface: public Shared::Xeen::XSurface, public FontData {
+private:
+	const char *_displayString;
+	bool _msgWraps;
+	bool _isBig5;
+
+	Common::Language lang;
+	/**
+	 * fnt file offsets
+	 */
+	int _fntEnOffset;               // English characters
+	int _fntEnReducedOffset;		// English characters (reduced)
+	int _fntNonEnOffset;			// Non-English characters
+	int _fntNonEnReducedOffset;     // Non-English characters (reduced)
+	int _fntEnWOffset;				// English characters Width
+	int _fntEnReducedWOffset;       // English characters (reduced) Width
+	int _fntNonEnWOffset;			// Non-English characters Width
+	int _fntNonEnReducedWOffset;    // Non-English characters (reduced) Width
+
+	/**
+	 * Return the next pending character to display
+	 */
+	uint16_t getNextChar();
+
+	/**
+	 * Return the width of a given character
+	 */
+	bool getNextCharWidth(int &total);
+
+	/**
+	 * Handles moving to the next line of the given bounded area
+	 */
+	bool newLine(const Common::Rect &bounds);
+
+	/**
+	 * Extract a number of a given maximum length from the string
+	 */
+	int fontAtoi(int len = 3);
+
+	/**
+	 * Set the text colors based on the specified index in the master text colors list
+	 */
+	void setTextColor(int idx);
+
+	/**
+	 * Wrie a character to the surface
+	 */
+	void writeChar(uint16_t c, const Common::Rect &clipRect);
+public:
+	Common::Point &_writePos;
+public:
+	FontSurface();
+	FontSurface(int wv, int hv);
+	~FontSurface() override {}
+
+	/**
+	 * Draws a symbol to the surface.
+	 * @param symbolId	Symbol number from 0 to 19
+	 */
+	void writeSymbol(int symbolId);
+
+	/**
+	 * Write a string to the surface
+	 * @param s				String to display
+	 * @param clipRect		Window bounds to display string within
+	 * @param ttsVoiceText	Whether to voice the string with TTS
+	 * @param ttsMessage	Message for TTS, which will be built
+	 * @returns				Any string remainder that couldn't be displayed
+	 * @remarks		Note that bounds is just used for wrapping purposes. Unless
+	 *		justification is set, the message will be written at _writePos
+	 */
+	const char *writeString(const Common::String &s, const Common::Rect &clipRect, bool ttsVoiceText = true, Common::String *ttsMessage = nullptr);
+	bool isSpace(char c);
+	/**
+	 * Write a charcter to the window
+	 * @param c			Character
+	 * @param clipRect	Window bounds to display string within
+	 */
+	void writeCharacter(uint16_t c, const Common::Rect &clipRect);
+};
+
+} // End of namespace Xeen
+} // End of namespace MM
+
+#endif