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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 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 WriteStream;
class String;
struct Point;
}
namespace Graphics {
struct Surface;
}
namespace Adl {
class Display {
public:
enum Mode {
kModeGraphics,
kModeText,
kModeMixed
};
virtual ~Display();
virtual void init() = 0;
virtual bool saveThumbnail(Common::WriteStream &out) = 0;
void setMode(Mode mode);
void copyTextSurface();
void copyGfxSurface();
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);
void printAsciiString(const Common::String &str);
void setCharAtCursor(byte c);
uint getTextWidth() const { return _textWidth; }
uint getTextHeight() const { return _textHeight; }
void scrollUp();
protected:
Display() : _textBuf(nullptr), _textSurface(nullptr), _gfxSurface(nullptr), _cursorPos(0),
_mode(kModeText), _splitHeight(0), _textWidth(0), _textHeight(0) { }
void createSurfaces(uint gfxWidth, uint gfxHeight, uint splitHeight);
void createTextBuffer(uint textWidth, uint textHeight);
byte *_textBuf;
Graphics::Surface *_textSurface;
Graphics::Surface *_gfxSurface;
uint _cursorPos;
private:
virtual void updateTextSurface() = 0;
virtual void updateGfxSurface() = 0;
Mode _mode;
uint _splitHeight;
uint _textWidth;
uint _textHeight;
};
} // End of namespace Adl
#endif
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