1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/* 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/>.
*
*/
#include "adl/display.h"
#ifndef ADL_DISPLAY_A2_H
#define ADL_DISPLAY_A2_H
namespace Adl {
class Display_A2 : public Display {
public:
Display_A2();
~Display_A2() override;
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];
byte b = _font[m & 0x3f][y % 8];
if (display->_showCursor && charPos == display->_cursorPos) {
if (!display->_enableApple2eCursor) {
m = (m & 0x3f) | 0x40;
} else {
if (display->_blink) {
byte cursor[] = {
0x00, 0x00, 0x2a, 0x14,
0x2a, 0x14, 0x2a, 0x00
};
b = cursor[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 _enableApple2eCursor;
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
|
