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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.
*
*/
#include "adl/display.h"
#ifndef ADL_DISPLAY_A2_H
#define ADL_DISPLAY_A2_H
namespace Adl {
class Display_A2 : public Display {
public:
Display_A2();
virtual ~Display_A2();
enum {
kGfxWidth = 280,
kGfxHeight = 192,
kGfxPitch = kGfxWidth / 7,
kGfxSize = kGfxPitch * kGfxHeight,
kTextWidth = 40,
kTextHeight = 24,
kSplitHeight = 32
};
void init() override;
// Graphics
uint getGfxWidth() const { return kGfxWidth; }
uint getGfxHeight() const { return kGfxHeight; }
uint getGfxPitch() const { return kGfxPitch; }
void loadFrameBuffer(Common::ReadStream &stream, byte *dst) const ;
void loadFrameBuffer(Common::ReadStream &stream);
void putPixel(const Common::Point &p, byte color);
void setPixelByte(const Common::Point &p, byte color);
void setPixelBit(const Common::Point &p, byte color);
void setPixelPalette(const Common::Point &p, byte color);
byte getPixelByte(const Common::Point &p) const;
bool getPixelBit(const Common::Point &p) const;
void clear(byte color);
// Text
char asciiToNative(char c) const override { return c | 0x80; }
void printChar(char c) override;
void showCursor(bool enable) override;
protected:
class TextReader {
public:
static uint16 getBits(const Display_A2 *display, uint y, uint x) {
const uint charPos = (y >> 3) * kTextWidth + x;
byte m = display->_textBuf[charPos];
if (display->_showCursor && charPos == display->_cursorPos)
m = (m & 0x3f) | 0x40;
byte b = _font[m & 0x3f][y % 8];
if (!(m & 0x80) && (!(m & 0x40) || display->_blink))
b = ~b;
return b & 0x7f;
}
static uint8 getStartY(const Display_A2 *display) {
if (display->_mode == kModeText)
return 0;
else
return kGfxHeight - kSplitHeight;
}
static uint8 getEndY(const Display_A2 *display) { return kGfxHeight; }
};
class GfxReader {
public:
static uint16 getBits(const Display_A2 *display, uint y, uint x) {
return display->_frameBuf[y * kGfxPitch + x];
}
static uint8 getStartY(const Display_A2 *display) { return 0; }
static uint8 getEndY(const Display_A2 *display) {
if (display->_mode == kModeGraphics)
return kGfxHeight;
else
return kGfxHeight - kSplitHeight;
}
};
byte *_frameBuf;
bool _showCursor;
bool _enableColor;
bool _enableScanlines;
bool _enableMonoText;
bool _blink;
private:
void writeFrameBuffer(const Common::Point &p, byte color, byte mask);
static const byte _font[64][8];
};
Display_A2 *Display_A2_create();
} // End of namespace Adl
#endif
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