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engines/scumm/string_v7.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 SCUMM_STRING_V7_H
+#define SCUMM_STRING_V7_H
+
+#ifdef ENABLE_SCUMM_7_8
+
+#include "common/scummsys.h"
+#include "scumm/charset_v7.h"
+
+namespace Scumm {
+
+class ScummEngine;
+
+class TextRenderer_v7 {
+public:
+	TextRenderer_v7(ScummEngine *vm, GlyphRenderer_v7 *gr);
+	~TextRenderer_v7() {}
+
+	void drawString(const char *str, byte *buffer, Common::Rect &clipRect, int x, int y, int pitch, int16 col, TextStyleFlags flags);
+	void drawStringWrap(const char *str, byte *buffer, Common::Rect &clipRect, int x, int y, int pitch, int16 col, TextStyleFlags flags);
+
+	int getStringWidth(const char *str) { return getStringWidth(str, 100000); }
+	int getStringHeight(const char *str) { return getStringHeight(str, 100000); }
+
+	Common::Rect calcStringDimensions(const char *str, int x, int y, TextStyleFlags flags);
+
+	static inline bool is2ByteCharacter(Common::Language lang, byte c) {
+		if (lang == Common::JA_JPN)
+			return (c >= 0x80 && c <= 0x9F) || (c >= 0xE0 && c <= 0xFD);
+		else if (lang == Common::KO_KOR)
+			return (c >= 0xB0 && c <= 0xD0);
+		else if (lang == Common::ZH_TWN || lang == Common::ZH_CHN)
+			return (c >= 0x80);
+		return false;
+	}
+
+private:
+	int getStringWidth(const char *str, uint numBytesMax);
+	int getStringHeight(const char *str, uint numBytesMax);
+	void drawSubstring(const char *str, uint numBytesMax, byte *buffer, Common::Rect &clipRect, int x, int y, int pitch, int16 &col, TextStyleFlags flags);
+
+	const Common::Language _lang;
+	const byte _gameId;
+	const bool _useCJKMode;
+	const int _direction;
+	const int _rtlCenteredOffset;
+	const int _spacing;
+	const byte _2byteCharWidth;
+	const char _lineBreakMarker;
+	const bool _newStyle;
+	const uint16 _screenWidth;
+	GlyphRenderer_v7 *_gr;
+};
+
+} // End of namespace Scumm
+
+#endif
+#endif