aboutsummaryrefslogtreecommitdiff
path: root/engines/scumm/charset.h
blob: fabb82b389229f9d2a0948a444a5b17a9acf120a (plain)
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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
/* 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 SCUMM_CHARSET_H
#define SCUMM_CHARSET_H

#include "common/scummsys.h"
#include "common/rect.h"
#include "graphics/sjis.h"
#include "scumm/scumm.h"
#include "scumm/gfx.h"
#include "scumm/saveload.h"

namespace Scumm {

class ScummEngine;
class NutRenderer;
struct VirtScreen;

static inline bool checkSJISCode(byte c) {
	if ((c >= 0x80 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfd))
		return true;
	return false;
}


class CharsetRenderer {
public:

	Common::Rect _str;

	int _top;
	int _left, _startLeft;
	int _right;

protected:
	byte _color;

public:
	bool _center;

	bool _hasMask;	// True if "removable" text is visible somewhere (should be called _hasText or so)
	VirtScreenNumber _textScreenID;	// ID of the virtual screen on which the text is visible.

	bool _blitAlso;
	bool _firstChar;
	bool _disableOffsX;

protected:
	ScummEngine *_vm;
	int32 _curId;

public:
	CharsetRenderer(ScummEngine *vm);
	virtual ~CharsetRenderer();

	virtual void printChar(int chr, bool ignoreCharsetMask) = 0;
	virtual void drawChar(int chr, Graphics::Surface &s, int x, int y) {}

	int getStringWidth(int a, const byte *str);
	void addLinebreaks(int a, byte *str, int pos, int maxwidth);
	void translateColor();

	virtual void setCurID(int32 id) = 0;
	int getCurID() { return _curId; }

	virtual int getFontHeight() = 0;
	virtual int getCharHeight(byte chr) { return getFontHeight(); }
	virtual int getCharWidth(uint16 chr) = 0;

	virtual void setColor(byte color) { _color = color; translateColor(); }

	void saveLoadWithSerializer(Serializer *ser);
};

class CharsetRendererCommon : public CharsetRenderer {
protected:
	const byte *_fontPtr;
	int _bytesPerPixel;
	int _fontHeight;
	int _numChars;

	byte _shadowColor;
	bool _shadowMode;

public:
	CharsetRendererCommon(ScummEngine *vm);

	void setCurID(int32 id);

	virtual int getFontHeight();
};

class CharsetRendererClassic : public CharsetRendererCommon {
protected:
	virtual void drawBitsN(const Graphics::Surface &s, byte *dst, const byte *src, byte bpp, int drawTop, int width, int height);
	void printCharIntern(bool is2byte, const byte *charPtr, int origWidth, int origHeight, int width, int height, VirtScreen *vs, bool ignoreCharsetMask);	
	virtual bool prepareDraw(uint16 chr);

	int _width, _height, _origWidth, _origHeight;
	int _offsX, _offsY;
	const byte *_charPtr;

	// On which virtual screen will be drawn right now
	VirtScreenNumber _drawScreen;

public:
	CharsetRendererClassic(ScummEngine *vm) : CharsetRendererCommon(vm) {}

	void printChar(int chr, bool ignoreCharsetMask);
	void drawChar(int chr, Graphics::Surface &s, int x, int y);

	int getCharWidth(uint16 chr);
};

#ifdef USE_RGB_COLOR
#ifndef DISABLE_TOWNS_DUAL_LAYER_MODE
class CharsetRendererTownsClassic : public CharsetRendererClassic {
public:
	CharsetRendererTownsClassic(ScummEngine *vm);

	int getCharWidth(uint16 chr);
	int getFontHeight();

private:
	void drawBitsN(const Graphics::Surface &s, byte *dst, const byte *src, byte bpp, int drawTop, int width, int height);
	bool prepareDraw(uint16 chr);
	void setupShadowMode();
	bool useFontRomCharacter(uint16 chr);
	void processCharsetColors();

	uint16 _sjisCurChar;
};
#endif
#endif

class CharsetRendererNES : public CharsetRendererCommon {
protected:
	byte *_trTable;

	void drawBits1(const Graphics::Surface &s, byte *dst, const byte *src, int drawTop, int width, int height, uint8 bitDepth);

public:
	CharsetRendererNES(ScummEngine *vm) : CharsetRendererCommon(vm) {}

	void setCurID(int32 id) {}
	void printChar(int chr, bool ignoreCharsetMask);
	void drawChar(int chr, Graphics::Surface &s, int x, int y);

	int getFontHeight() { return 8; }
	int getCharWidth(uint16 chr) { return 8; }
};

class CharsetRendererV3 : public CharsetRendererCommon {
protected:
	virtual void enableShadow(bool enable);
	virtual void drawBits1(const Graphics::Surface &s, byte *dst, const byte *src, int drawTop, int width, int height, uint8 bitDepth);
	virtual int getDrawWidthIntern(uint16 chr);
	virtual int getDrawHeightIntern(uint16 chr);
	virtual void setDrawCharIntern(uint16 chr) {}

	const byte *_widthTable;

public:
	CharsetRendererV3(ScummEngine *vm) : CharsetRendererCommon(vm) {}

	void printChar(int chr, bool ignoreCharsetMask);
	void drawChar(int chr, Graphics::Surface &s, int x, int y);
	void setCurID(int32 id);
	void setColor(byte color);
	virtual int getCharWidth(uint16 chr);
};

class CharsetRendererTownsV3 : public CharsetRendererV3 {
public:
	CharsetRendererTownsV3(ScummEngine *vm);

	int getCharWidth(uint16 chr);
	int getFontHeight();
	
private:
	void enableShadow(bool enable);
	void drawBits1(const Graphics::Surface &s, byte *dst, const byte *src, int drawTop, int width, int height, uint8 bitDepth);
#ifndef DISABLE_TOWNS_DUAL_LAYER_MODE
	int getDrawWidthIntern(uint16 chr);
	int getDrawHeightIntern(uint16 chr);
	void setDrawCharIntern(uint16 chr);
#endif
	uint16 _sjisCurChar;
};

#ifdef USE_RGB_COLOR
class CharsetRendererPCE : public CharsetRendererV3 {
private:
	void drawBits1(const Graphics::Surface &s, byte *dst, const byte *src, int drawTop, int width, int height, uint8 bitDepth);

	int getDrawWidthIntern(uint16 chr);
	int getDrawHeightIntern(uint16 chr);
	void setDrawCharIntern(uint16 chr);

	uint16 _sjisCurChar;

public:
	CharsetRendererPCE(ScummEngine *vm) : CharsetRendererV3(vm), _sjisCurChar(0) {}

	void setColor(byte color);
};
#endif

class CharsetRendererV2 : public CharsetRendererV3 {
protected:
	bool _deleteFontPtr;

public:
	CharsetRendererV2(ScummEngine *vm, Common::Language language);
	~CharsetRendererV2();

	void setCurID(int32 id) {}
	int getCharWidth(uint16 chr) { return 8; }
};

#ifdef ENABLE_SCUMM_7_8
class CharsetRendererNut : public CharsetRenderer {
protected:
	NutRenderer *_fr[5];
	NutRenderer *_current;

public:
	CharsetRendererNut(ScummEngine *vm);
	~CharsetRendererNut();

	void printChar(int chr, bool ignoreCharsetMask);

	void setCurID(int32 id);

	int getFontHeight();
	int getCharHeight(byte chr);
	int getCharWidth(uint16 chr);
};
#endif

} // End of namespace Scumm


#endif