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engines/adl/display.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 ADL_DISPLAY_H
+#define ADL_DISPLAY_H
+
+#include "common/text-to-speech.h"
+#include "common/types.h"
+
+namespace Common {
+class String;
+struct Point;
+}
+
+namespace Adl {
+
+class Display {
+public:
+	enum Mode {
+		kModeGraphics,
+		kModeText,
+		kModeMixed
+	};
+
+	virtual ~Display();
+
+	virtual void init() = 0;
+	void setMode(Mode mode);
+	virtual void renderText() = 0;
+	virtual void renderGraphics() = 0;
+
+	virtual char asciiToNative(char c) const = 0;
+	virtual void printChar(char c) = 0;
+	virtual void showCursor(bool enable) = 0;
+	void home();
+	void moveCursorTo(const Common::Point &pos);
+	void moveCursorForward();
+	void moveCursorBackward();
+	void printString(const Common::String &str, bool voiceString = true);
+	void printAsciiString(const Common::String &str, bool voiceString = true);
+	void sayText(const Common::String &text, Common::TextToSpeechManager::Action action = Common::TextToSpeechManager::QUEUE) const;
+	Common::U32String convertText(const Common::String &text) const;
+	void setCharAtCursor(byte c);
+	uint getTextWidth() const { return _textWidth; }
+	uint getTextHeight() const { return _textHeight; }
+	void scrollUp();
+
+protected:
+	Display() :	_textBuf(nullptr), _cursorPos(0), _mode(kModeText), _textWidth(0), _textHeight(0) { }
+
+	void createTextBuffer(uint textWidth, uint textHeight);
+
+	byte *_textBuf;
+	uint _cursorPos;
+	Mode _mode;
+	uint _textWidth;
+	uint _textHeight;
+};
+
+} // End of namespace Adl
+
+#endif