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engines/kyra/text/text.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 KYRA_TEXT_H
+#define KYRA_TEXT_H
+
+#include "common/scummsys.h"
+
+#include "kyra/graphics/screen.h"
+
+namespace Kyra {
+class KyraEngine_v1;
+
+class TextDisplayer {
+public:
+	TextDisplayer(KyraEngine_v1 *vm, Screen *screen);
+	virtual ~TextDisplayer() {}
+
+	int maxSubstringLen() const { return TALK_SUBSTRING_LEN; }
+
+	void setTalkCoords(uint16 y);
+	int getCenterStringX(const Common::String &str, int x1, int x2);
+	int getCharLength(const char *str, int len);
+	int dropCRIntoString(char *str, int offs);
+	virtual char *preprocessString(const char *str);
+	int buildMessageSubstrings(const char *str);
+	int getWidestLineWidth(int linesCount);
+	virtual void calcWidestLineBounds(int &x1, int &x2, int w, int cx);
+	virtual void restoreTalkTextMessageBkgd(int srcPage, int dstPage);
+	void printTalkTextMessage(const char *text, int x, int y, uint8 color, int srcPage, int dstPage);
+	virtual void printText(const Common::String &str, int x, int y, uint8 c0, uint8 c1, uint8 c2);
+	void printCharacterText(const char *text, int8 charNum, int charX);
+
+	uint16 _talkMessageY;
+	uint16 _talkMessageH;
+	int _langExtraSpacing;
+	bool printed() const { return _talkMessagePrinted; }
+
+protected:
+	Screen *_screen;
+	KyraEngine_v1 *_vm;
+
+	struct TalkCoords {
+		uint16 y, x, w;
+	};
+
+	// TODO: AMIGA and LoK specific, move to a better location
+	void setTextColor(uint8 color);
+
+	enum {
+		TALK_SUBSTRING_LEN = 80,
+		TALK_SUBSTRING_NUM = 6
+	};
+
+	char _talkBuffer[1040];
+	char _talkSubstrings[TALK_SUBSTRING_LEN * TALK_SUBSTRING_NUM];
+	TalkCoords _talkCoords;
+	bool _talkMessagePrinted;
+
+	char _lineBreakChar;
+};
+
+} // End of namespace Kyra
+
+#endif