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
|
/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef BACKENDS_GRAPHICS_ABSTRACT_H
#define BACKENDS_GRAPHICS_ABSTRACT_H
#include "common/system.h"
#include "common/noncopyable.h"
#include "common/keyboard.h"
#include "common/rotationmode.h"
#include "graphics/mode.h"
#include "graphics/paletteman.h"
/**
* Abstract class for graphics manager. Subclasses
* implement the real functionality.
*/
class GraphicsManager : public PaletteManager {
public:
virtual ~GraphicsManager() {}
virtual bool hasFeature(OSystem::Feature f) const = 0;
virtual void setFeatureState(OSystem::Feature f, bool enable) = 0;
virtual bool getFeatureState(OSystem::Feature f) const = 0;
virtual const OSystem::GraphicsMode *getSupportedGraphicsModes() const {
static const OSystem::GraphicsMode noGraphicsModes[] = {{"NONE", "Normal", 0}, {nullptr, nullptr, 0 }};
return noGraphicsModes;
}
virtual int getDefaultGraphicsMode() const { return 0; }
virtual bool setGraphicsMode(int mode, uint flags = OSystem::kGfxModeNoFlags) { return (mode == 0); }
virtual int getGraphicsMode() const { return 0; }
#if defined(USE_IMGUI)
virtual void setImGuiCallbacks(const ImGuiCallbacks &callbacks) { }
virtual void *getImGuiTexture(const Graphics::Surface &image, const byte *palette, int palCount) { return nullptr; }
virtual void freeImGuiTexture(void *texture) { }
#endif
virtual bool setShader(const Common::Path &fileName) { return false; }
virtual const OSystem::GraphicsMode *getSupportedStretchModes() const {
static const OSystem::GraphicsMode noStretchModes[] = {{"NONE", "Normal", 0}, {nullptr, nullptr, 0 }};
return noStretchModes;
}
virtual int getDefaultStretchMode() const { return 0; }
virtual bool setStretchMode(int mode) { return false; }
virtual int getStretchMode() const { return 0; }
virtual Common::RotationMode getRotationMode() const { return Common::kRotationNormal; }
virtual uint getDefaultScaler() const { return 0; }
virtual uint getDefaultScaleFactor() const { return 1; }
virtual bool setScaler(uint mode, int factor) { return false; }
virtual uint getScaler() const { return 0; }
virtual uint getScaleFactor() const { return 1; }
#ifdef USE_RGB_COLOR
virtual Graphics::PixelFormat getScreenFormat() const = 0;
virtual Common::List<Graphics::PixelFormat> getSupportedFormats() const = 0;
#endif
virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format = NULL) = 0;
virtual void initSizeHint(const Graphics::ModeList &modes) {}
virtual int getScreenChangeID() const = 0;
virtual void beginGFXTransaction() = 0;
virtual OSystem::TransactionError endGFXTransaction() = 0;
virtual int16 getHeight() const = 0;
virtual int16 getWidth() const = 0;
virtual void setPalette(const byte *colors, uint start, uint num) = 0;
virtual void grabPalette(byte *colors, uint start, uint num) const = 0;
virtual void copyRectToScreen(const void *buf, int pitch, int x, int y, int w, int h) = 0;
virtual Graphics::Surface *lockScreen() = 0;
virtual void unlockScreen() = 0;
virtual void fillScreen(uint32 col) = 0;
virtual void fillScreen(const Common::Rect &r, uint32 col) = 0;
virtual void updateScreen() = 0;
virtual void setShakePos(int shakeXOffset, int shakeYOffset) = 0;
virtual void setFocusRectangle(const Common::Rect& rect) = 0;
virtual void clearFocusRectangle() = 0;
virtual void showOverlay(bool inGUI) = 0;
virtual void hideOverlay() = 0;
virtual bool isOverlayVisible() const = 0;
virtual Graphics::PixelFormat getOverlayFormat() const = 0;
virtual void clearOverlay() = 0;
virtual void grabOverlay(Graphics::Surface &surface) const = 0;
virtual void copyRectToOverlay(const void *buf, int pitch, int x, int y, int w, int h) = 0;
virtual int16 getOverlayHeight() const = 0;
virtual int16 getOverlayWidth() const = 0;
virtual float getHiDPIScreenFactor() const { return 1.0f; }
virtual bool showMouse(bool visible) = 0;
virtual void warpMouse(int x, int y) = 0;
virtual void setMouseCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, const Graphics::PixelFormat *format = nullptr, const byte *mask = nullptr) = 0;
virtual void setCursorPalette(const byte *colors, uint start, uint num) = 0;
virtual void displayMessageOnOSD(const Common::U32String &msg) {}
virtual void displayActivityIconOnOSD(const Graphics::Surface *icon) {}
// Graphics::PaletteManager interface
//virtual void setPalette(const byte *colors, uint start, uint num) = 0;
//virtual void grabPalette(byte *colors, uint start, uint num) const = 0;
virtual void saveScreenshot() {}
virtual bool lockMouse(bool lock) { return false; }
};
#endif
|
