1 files changed, 109 insertions, 0 deletions
diff --git a/engines/adl/display.h b/engines/adl/display.h
new file mode 100644
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+++ b/engines/adl/display.h
@@ -0,0 +1,109 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef ADL_DISPLAY_H
+#define ADL_DISPLAY_H
+
+#include <common/types.h>
+
+namespace Common {
+class ReadStream;
+class WriteStream;
+class String;
+struct Point;
+}
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace Adl {
+
+#define DISPLAY_WIDTH 280
+#define DISPLAY_HEIGHT 192
+#define TEXT_WIDTH 40
+#define TEXT_HEIGHT 24
+
+enum DisplayMode {
+	DISPLAY_MODE_HIRES,
+	DISPLAY_MODE_TEXT,
+	DISPLAY_MODE_MIXED
+};
+
+#define APPLECHAR(C) ((char)((C) | 0x80))
+
+class Display {
+public:
+	Display();
+	~Display();
+
+	void setMode(DisplayMode mode);
+	void updateTextScreen();
+	void updateHiResScreen();
+	bool saveThumbnail(Common::WriteStream &out);
+
+	// Graphics
+	void loadFrameBuffer(Common::ReadStream &stream);
+	void putPixel(const Common::Point &p, byte color);
+	void setPixelBit(const Common::Point &p, byte color);
+	void setPixelPalette(const Common::Point &p, byte color);
+	bool getPixelBit(const Common::Point &p) const;
+	void clear(byte color);
+
+	// Text
+	void home();
+	void moveCursorTo(const Common::Point &pos);
+	void moveCursorForward();
+	void moveCursorBackward();
+	void printChar(char c);
+	void printString(const Common::String &str);
+	void printAsciiString(const Common::String &str);
+	void setCharAtCursor(byte c);
+	void showCursor(bool enable);
+
+private:
+	void writeFrameBuffer(const Common::Point &p, byte color, byte mask);
+	void updateHiResSurface();
+	void showScanlines(bool enable);
+
+	void updateTextSurface();
+	void drawChar(byte c, int x, int y);
+	void createFont();
+	void scrollUp();
+
+	DisplayMode _mode;
+
+	byte *_frameBuf;
+	Graphics::Surface *_frameBufSurface;
+	bool _scanlines;
+	bool _monochrome;
+
+	byte *_textBuf;
+	Graphics::Surface *_textBufSurface;
+	Graphics::Surface *_font;
+	uint _cursorPos;
+	bool _showCursor;
+};
+
+} // End of namespace Adl
+
+#endif