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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2005 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* 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.
*
* $Header$
*
*/
// Font management and font drawing header file
#ifndef SAGA_FONT_H__
#define SAGA_FONT_H__
#include "saga/list.h"
#include "saga/gfx.h"
namespace Saga {
#define FONT_SHOWUNDEFINED 1 // Define to draw undefined characters * as ?'s
// The first defined character (!) is the only one that may
// have a valid offset of '0'
#define FONT_FIRSTCHAR 33
#define FONT_CH_SPACE 32
#define FONT_CH_QMARK 63
// Minimum font header size without font data
// (6 + 512 + 256 + 256 + 256 )
#define FONT_DESCSIZE 1286
#define FONT_CHARCOUNT 256
#define FONT_CHARMASK 0xFFU
#define SAGA_FONT_HEADER_LEN 6
#define TEXT_CENTERLIMIT 50
#define TEXT_MARGIN 10
#define TEXT_LINESPACING 2
enum FontEffectFlags {
kFontNormal = 0,
kFontOutline = 1 << 0,
kFontShadow = 1 << 1,
kFontBold = 1 << 2,
kFontCentered = 1 << 3,
kFontDontmap = 1 << 4
};
enum KnownFont {
kKnownFontSmall,
kKnownFontMedium,
kKnownFontBig,
kKnownFontPause,
kKnownFontScript,
kKnownFontVerb
};
struct TextListEntry {
bool display;
bool useRect;
Common::Point point;
Common::Rect rect;
KnownColor knownColor;
KnownColor effectKnownColor;
FontEffectFlags flags;
KnownFont font;
const char *text;
TextListEntry() {
memset(this, 0, sizeof(*this));
}
};
class TextList: public SortedList<TextListEntry> {
public:
TextListEntry *addEntry(const TextListEntry &entry) {
return pushBack(entry).operator->();
}
};
struct FontHeader {
int charHeight;
int charWidth;
int rowLength;
};
struct FontCharEntry {
int index;
int byteWidth;
int width;
int flag;
int tracking;
};
struct FontStyle {
FontHeader header;
FontCharEntry fontCharEntry[256];
byte *font;
};
struct FontData {
FontStyle normal;
FontStyle outline;
};
class Font {
public:
Font(SagaEngine *vm);
~Font(void);
int getStringWidth(KnownFont font, const char *text, size_t count, FontEffectFlags flags) {
return getStringWidth(knownFont2FontIdx(font), text, count, flags);
}
int getHeight(KnownFont font) {
return getHeight(knownFont2FontIdx(font));
}
int getHeight(KnownFont font, const char *text, int width, FontEffectFlags flags) {
return getHeight(knownFont2FontIdx(font), text, width, flags);
}
void textDraw(KnownFont font, Surface *ds, const char *string, const Common::Point &point, int color, int effectColor, FontEffectFlags flags) {
textDraw(knownFont2FontIdx(font), ds, string, point, color, effectColor, flags);
}
void textDrawRect(KnownFont font, Surface *ds, const char *text, const Common::Rect &rect, int color, int effectColor, FontEffectFlags flags) {
textDrawRect(knownFont2FontIdx(font), ds, text, rect, color, effectColor, flags);
}
private:
enum FontId {
kSmallFont,
kMediumFont,
kBigFont,
kIHNMUnknown,
kIHNMFont8,
kIHNMUnknown2,
kIHNMMainFont
};
Font::FontId knownFont2FontIdx(KnownFont font);
int getStringWidth(FontId fontId, const char *text, size_t count, FontEffectFlags flags);
int getHeight(FontId fontId, const char *text, int width, FontEffectFlags flags);
void textDrawRect(FontId fontId, Surface *ds, const char *text, const Common::Rect &rect, int color, int effectColor, FontEffectFlags flags);
void textDraw(FontId fontId, Surface *ds, const char *string, const Common::Point &point, int color, int effectColor, FontEffectFlags flags);
void loadFont(uint32 fontResourceId);
void createOutline(FontData *font);
void draw(FontId fontId, Surface *ds, const char *text, size_t count, const Common::Point &point, int color, int effectColor, FontEffectFlags flags);
void outFont(const FontStyle &drawFont, Surface *ds, const char *text, size_t count, const Common::Point &point, int color, FontEffectFlags flags);
FontData *getFont(FontId fontId) {
validate(fontId);
return _fonts[fontId];
}
int getHeight(FontId fontId) {
return getFont(fontId)->normal.header.charHeight;
}
void validate(FontId fontId) {
if (!valid(fontId)) {
error("Font::validate: Invalid font id.");
}
}
bool valid(FontId fontId) {
return ((fontId >= 0) && (fontId < _loadedFonts));
}
int getByteLen(int numBits) const {
int byteLength = numBits / 8;
if (numBits % 8) {
byteLength++;
}
return byteLength;
}
static const int _charMap[256];
SagaEngine *_vm;
bool _initialized;
int _loadedFonts;
FontData **_fonts;
};
} // End of namespace Saga
#endif
|
