aboutsummaryrefslogtreecommitdiff
path: root/backends/null/null.cpp
blob: 6c9ed754aebc6da6035a32da4f434d97a776be0c (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
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001-2006 The ScummVM project
 *
 * 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/stdafx.h"
#include "common/scummsys.h"
#include "common/system.h"

#if defined(USE_NULL_DRIVER)

#include "common/rect.h"
#include "common/savefile.h"

class OSystem_NULL : public OSystem {
public:
	static OSystem *instance();

public:

	OSystem_NULL();
	virtual ~OSystem_NULL();

	virtual bool hasFeature(Feature f);
	virtual void setFeatureState(Feature f, bool enable);
	virtual bool getFeatureState(Feature f);
	virtual const GraphicsMode *getSupportedGraphicsModes() const;
	virtual int getDefaultGraphicsMode() const;
	virtual bool setGraphicsMode(int mode);
	bool setGraphicsMode(const char *name);
	virtual int getGraphicsMode() const;
	virtual void initSize(uint width, uint height, int overlayScale);
	virtual int16 getHeight();
	virtual int16 getWidth();
	virtual void setPalette(const byte *colors, uint start, uint num);
	virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
	virtual void updateScreen();
	virtual void setShakePos(int shakeOffset);

	virtual void showOverlay();
	virtual void hideOverlay();
	virtual void clearOverlay();
	virtual void grabOverlay(OverlayColor *buf, int pitch);
	virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
	virtual int16 getOverlayHeight();
	virtual int16 getOverlayWidth();

	virtual OverlayColor RGBToColor(uint8 r, uint8 g, uint8 b);
	virtual void colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b);

	virtual bool showMouse(bool visible);

	virtual void warpMouse(int x, int y);
	virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor = 255);

	virtual bool pollEvent(Event &event);
	virtual uint32 getMillis();
	virtual void delayMillis(uint msecs);

	virtual void setTimerCallback(TimerProc callback, int interval);

	virtual MutexRef createMutex(void);
	virtual void lockMutex(MutexRef mutex);
	virtual void unlockMutex(MutexRef mutex);
	virtual void deleteMutex(MutexRef mutex);

	virtual bool setSoundCallback(SoundProc proc, void *param);
	virtual void clearSoundCallback();
	virtual int getOutputSampleRate() const;

	virtual bool openCD(int drive);
	virtual bool pollCD();

	virtual void playCD(int track, int num_loops, int start_frame, int duration);
	virtual void stopCD();
	virtual void updateCD();

	virtual void quit();

	virtual void setWindowCaption(const char *caption);

	virtual void displayMessageOnOSD(const char *msg);

	virtual SaveFileManager *getSavefileManager();

};

static const OSystem::GraphicsMode s_supportedGraphicsModes[] = {
	{0, 0, 0}
};

OSystem_NULL::OSystem_NULL()
{
}

OSystem_NULL::~OSystem_NULL()
{
}

bool OSystem_NULL::hasFeature(Feature f)
{
	return false;
}

void OSystem_NULL::setFeatureState(Feature f, bool enable)
{
}

bool OSystem_NULL::getFeatureState(Feature f)
{
	return false;
}

const OSystem::GraphicsMode* OSystem_NULL::getSupportedGraphicsModes() const
{
	return s_supportedGraphicsModes;
}


int OSystem_NULL::getDefaultGraphicsMode() const
{
	return -1;
}

bool OSystem_NULL::setGraphicsMode(int mode)
{
	return true;
}

bool OSystem_NULL::setGraphicsMode(const char *name)
{
	return true;
}

int OSystem_NULL::getGraphicsMode() const
{
	return -1;
}

void OSystem_NULL::initSize(uint width, uint height, int overlayScale)
{
}

int16 OSystem_NULL::getHeight()
{
	return 320;
}

int16 OSystem_NULL::getWidth()
{
	return 200;
}

void OSystem_NULL::setPalette(const byte *colors, uint start, uint num)
{
}

void OSystem_NULL::copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h)
{
}

void OSystem_NULL::updateScreen()
{
}

void OSystem_NULL::setShakePos(int shakeOffset)
{
}

void OSystem_NULL::showOverlay ()
{
}

void OSystem_NULL::hideOverlay ()
{
}

void OSystem_NULL::clearOverlay ()
{
}

void OSystem_NULL::grabOverlay (OverlayColor *buf, int pitch)
{
}

void OSystem_NULL::copyRectToOverlay (const OverlayColor *buf, int pitch, int x, int y, int w, int h)
{
}

int16 OSystem_NULL::getOverlayHeight()
{
	return getHeight();
}

int16 OSystem_NULL::getOverlayWidth()
{
	return getWidth();
}

OverlayColor OSystem_NULL::RGBToColor(uint8 r, uint8 g, uint8 b)
{
	return 0;
}

void OSystem_NULL::colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b)
{
}

bool OSystem_NULL::showMouse(bool visible)
{
	return true;
}

void OSystem_NULL::warpMouse(int x, int y)
{
}

void OSystem_NULL::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor)
{
}

bool OSystem_NULL::pollEvent(Event &event)
{
	return false;
}

uint32 OSystem_NULL::getMillis()
{
	return 0;
}

void OSystem_NULL::delayMillis(uint msecs)
{
}

void OSystem_NULL::setTimerCallback(TimerProc callback, int interval)
{
}

OSystem::MutexRef OSystem_NULL::createMutex(void)
{
	return NULL;
}

void OSystem_NULL::lockMutex(MutexRef mutex)
{
}

void OSystem_NULL::unlockMutex(MutexRef mutex)
{
}

void OSystem_NULL::deleteMutex(MutexRef mutex)
{
}

bool OSystem_NULL::setSoundCallback(SoundProc proc, void *param)
{
	return true;
}

void OSystem_NULL::clearSoundCallback()
{
}

int OSystem_NULL::getOutputSampleRate() const
{
	return 22050;
}

bool OSystem_NULL::openCD(int drive)
{
	return true;
}

bool OSystem_NULL::pollCD()
{
	return true;
}

void OSystem_NULL::playCD(int track, int num_loops, int start_frame, int duration)
{
}

void OSystem_NULL::stopCD()
{
}

void OSystem_NULL::updateCD()
{
}

void OSystem_NULL::quit()
{
}

void OSystem_NULL::setWindowCaption(const char *caption)
{
}

void OSystem_NULL::displayMessageOnOSD(const char *msg)
{
}

SaveFileManager* OSystem_NULL::getSavefileManager()
{
	return NULL;
}


OSystem *OSystem_NULL_create() {
	return new OSystem_NULL();
}
#else /* USE_NULL_DRIVER */

OSystem *OSystem_NULL_create() {
	return NULL;
}

#endif