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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/* 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.
*
* $URL$
* $Id$
*/
// The code in this file is currently only used in KYRA and SCI.
// So if neither of those is enabled, we will skip compiling it.
// If you plan to use this code in another engine, you will have
// to add the proper define check here.
// Also please add the define check at the comment after the
// matching #endif further down this file.
#if defined(ENABLE_KYRA) || defined(ENABLE_SCI)
#ifndef GRAPHICS_SJIS_H
#define GRAPHICS_SJIS_H
#include "common/scummsys.h"
#include "common/stream.h"
#include "common/util.h"
#include "graphics/surface.h"
namespace Graphics {
/**
* A font that is able to draw SJIS encoded characters.
*
* The font is always monospaced.
*/
class FontSJIS {
public:
virtual ~FontSJIS() {}
/**
* Creates the first SJIS font, which ROM/font file is present.
* It will also call loadData, so the user can just start
* using the font.
*
* It'll prefer the platform specific ROM file, when platform
* is set to a value, which's font ROM is supported.
* So far that is only kPlatformFMTowns.
*
* The last file tried is ScummVM's SJIS.FNT file.
*/
static FontSJIS *createFont(const Common::Platform platform = Common::kPlatformUnknown);
/**
* Load the font data.
*/
virtual bool loadData() = 0;
/**
* Enable outline drawing.
*
* After changing outline state, getFontHeight and getFontWidth might return
* different values!
*/
virtual void enableOutline(bool enable) {}
/**
* Returns the height of the font.
*/
virtual uint getFontHeight() const = 0;
/**
* Returns the width of the font.
*/
virtual uint getFontWidth() const = 0;
/**
* Draws a SJIS encoded character on the given surface.
*
* TODO: Currently there is no assurance, that this method will only draw within
* the surface boundaries. Thus the caller has to assure the glyph will fit at
* the specified position.
*/
void drawChar(Graphics::Surface &dst, uint16 ch, int x, int y, uint32 c1, uint32 c2) const {
drawChar(dst.getBasePtr(x, y), ch, c1, c2, dst.pitch, dst.bytesPerPixel);
}
/**
* Draws a SJIS char on the given raw buffer.
*
* @param dst pointer to the destination
* @param ch character to draw (in little endian)
* @param pitch pitch of the destination buffer (size in *bytes*)
* @param bpp bytes per pixel of the destination buffer
* @param c1 forground color
* @param c2 outline color
*/
virtual void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const = 0;
};
/**
* A base class to render 16x16 monochrome SJIS fonts.
*/
class FontSJIS16x16 : public FontSJIS {
public:
FontSJIS16x16() : _outlineEnabled(false) {}
void enableOutline(bool enable) { _outlineEnabled = enable; }
uint getFontHeight() const { return _outlineEnabled ? 18 : 16; }
uint getFontWidth() const { return _outlineEnabled ? 18 : 16; }
void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const;
private:
template<typename Color>
void drawCharInternOutline(const uint16 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const;
template<typename Color>
void drawCharIntern(const uint16 *glyph, uint8 *dst, int pitch, Color c1) const;
bool _outlineEnabled;
protected:
virtual const uint16 *getCharData(uint16 c) const = 0;
};
/**
* FM-TOWNS ROM based SJIS compatible font.
*
* This is used in KYRA and SCI.
*/
class FontTowns : public FontSJIS16x16 {
public:
/**
* Loads the ROM data from "FMT_FNT.ROM".
*/
bool loadData();
private:
enum {
kFontRomSize = 262144
};
uint16 _fontData[kFontRomSize / 2];
const uint16 *getCharData(uint16 c) const;
};
/**
* Our custom SJIS FNT.
*/
class FontSjisSVM : public FontSJIS16x16 {
public:
FontSjisSVM() : _fontData(0) {}
~FontSjisSVM() { delete[] _fontData; }
/**
* Load the font data from "SJIS.FNT".
*/
bool loadData();
private:
uint16 *_fontData;
const uint16 *getCharData(uint16 c) const;
};
// TODO: Consider adding support for PC98 ROM
} // end of namespace Graphics
#endif
#endif // defined(ENABLE_KYRA) || defined(ENABLE_SCI)
|
