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
|
/* 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 BACKENDS_MODULAR_BACKEND_H
#define BACKENDS_MODULAR_BACKEND_H
#include "backends/base-backend.h"
class GraphicsManager;
class MutexManager;
/**
* Base class for modular backends.
*
* It wraps most functions to their manager equivalent, but not
* all OSystem functions are implemented here.
*
* A backend derivated from this class, will need to implement
* these functions on its own:
* OSystem::pollEvent()
* OSystem::getMillis()
* OSystem::delayMillis()
* OSystem::getTimeAndDate()
*
* And, it should also initialize all the managers variables
* declared in this class, or override their related functions.
*/
class ModularBackend : public BaseBackend {
public:
ModularBackend();
virtual ~ModularBackend();
/** @name Features */
//@{
virtual bool hasFeature(Feature f) override;
virtual void setFeatureState(Feature f, bool enable) override;
virtual bool getFeatureState(Feature f) override;
//@}
/** @name Graphics */
//@{
virtual GraphicsManager *getGraphicsManager();
virtual const GraphicsMode *getSupportedGraphicsModes() const override;
virtual int getDefaultGraphicsMode() const override;
virtual bool setGraphicsMode(int mode) override;
virtual int getGraphicsMode() const override;
virtual const GraphicsMode *getSupportedShaders() const override;
virtual int getShader() const override;
virtual bool setShader(int id) override;
virtual const GraphicsMode *getSupportedStretchModes() const override;
virtual int getDefaultStretchMode() const override;
virtual bool setStretchMode(int mode) override;
virtual int getStretchMode() const override;
virtual void resetGraphicsScale() override;
#ifdef USE_RGB_COLOR
virtual Graphics::PixelFormat getScreenFormat() const override;
virtual Common::List<Graphics::PixelFormat> getSupportedFormats() const override;
#endif
virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format = NULL) override;
virtual void initSizeHint(const Graphics::ModeList &modes) override;
virtual int getScreenChangeID() const override;
virtual void beginGFXTransaction() override;
virtual OSystem::TransactionError endGFXTransaction() override;
virtual int16 getHeight() override;
virtual int16 getWidth() override;
virtual PaletteManager *getPaletteManager() override;
virtual void copyRectToScreen(const void *buf, int pitch, int x, int y, int w, int h) override;
virtual Graphics::Surface *lockScreen() override;
virtual void unlockScreen() override;
virtual void fillScreen(uint32 col) override;
virtual void updateScreen() override;
virtual void setShakePos(int shakeXOffset, int shakeYOffset) override;
virtual void setFocusRectangle(const Common::Rect& rect) override;
virtual void clearFocusRectangle() override;
virtual void showOverlay() override;
virtual void hideOverlay() override;
virtual Graphics::PixelFormat getOverlayFormat() const override;
virtual void clearOverlay() override;
virtual void grabOverlay(void *buf, int pitch) override;
virtual void copyRectToOverlay(const void *buf, int pitch, int x, int y, int w, int h) override;
virtual int16 getOverlayHeight() override;
virtual int16 getOverlayWidth() override;
virtual bool showMouse(bool visible) override;
virtual void warpMouse(int x, int y) override;
virtual void setMouseCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, const Graphics::PixelFormat *format = NULL) override;
virtual void setCursorPalette(const byte *colors, uint start, uint num) override;
//@}
/** @name Mutex handling */
//@{
virtual MutexRef createMutex() override;
virtual void lockMutex(MutexRef mutex) override;
virtual void unlockMutex(MutexRef mutex) override;
virtual void deleteMutex(MutexRef mutex) override;
//@}
/** @name Sound */
//@{
virtual Audio::Mixer *getMixer() override;
//@}
/** @name Miscellaneous */
//@{
virtual void quit() override;
virtual void displayMessageOnOSD(const char *msg) override;
virtual void displayActivityIconOnOSD(const Graphics::Surface *icon) override;
//@}
protected:
/** @name Managers variables */
//@{
MutexManager *_mutexManager;
GraphicsManager *_graphicsManager;
Audio::Mixer *_mixer;
//@}
};
#endif
|
