SkWindow.h revision a7e9f05119174848c6be5028568f46eb5e85398e 
1/*
2 * Copyright 2006 The Android Open Source Project
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkWindow_DEFINED
9#define SkWindow_DEFINED
10
11#include "../private/SkTDArray.h"
12#include "SkView.h"
13#include "SkBitmap.h"
14#include "SkMatrix.h"
15#include "SkRegion.h"
16#include "SkEvent.h"
17#include "SkKey.h"
18#include "SkSurfaceProps.h"
19
20class SkSurface;
21class SkOSMenu;
22
23#if SK_SUPPORT_GPU
24struct GrGLInterface;
25class GrContext;
26class GrRenderTarget;
27#endif
28
29class SkWindow : public SkView {
30public:
31            SkWindow();
32    virtual ~SkWindow();
33
34    struct AttachmentInfo {
35        int fSampleCount;
36        int fStencilBits;
37    };
38
39    SkSurfaceProps getSurfaceProps() const { return fSurfaceProps; }
40    void setSurfaceProps(const SkSurfaceProps& props) {
41        fSurfaceProps = props;
42    }
43
44    SkImageInfo info() const { return fBitmap.info(); }
45    const SkBitmap& getBitmap() const { return fBitmap; }
46
47    void    resize(int width, int height);
48    void    resize(const SkImageInfo&);
49    void    setColorType(SkColorType, SkColorProfileType);
50
51    bool    isDirty() const { return !fDirtyRgn.isEmpty(); }
52    bool    update(SkIRect* updateArea);
53    // does not call through to onHandleInval(), but does force the fDirtyRgn
54    // to be wide open. Call before update() to ensure we redraw everything.
55    void    forceInvalAll();
56    // return the bounds of the dirty/inval rgn, or [0,0,0,0] if none
57    const SkIRect& getDirtyBounds() const { return fDirtyRgn.getBounds(); }
58
59    bool    handleClick(int x, int y, Click::State, void* owner, unsigned modi = 0);
60    bool    handleChar(SkUnichar);
61    bool    handleKey(SkKey);
62    bool    handleKeyUp(SkKey);
63
64    void    addMenu(SkOSMenu*);
65    const SkTDArray<SkOSMenu*>* getMenus() { return &fMenus; }
66
67    const char* getTitle() const { return fTitle.c_str(); }
68    void    setTitle(const char title[]);
69
70    const SkMatrix& getMatrix() const { return fMatrix; }
71    void    setMatrix(const SkMatrix&);
72    void    preConcat(const SkMatrix&);
73    void    postConcat(const SkMatrix&);
74
75    virtual SkSurface* createSurface();
76
77protected:
78    virtual bool onEvent(const SkEvent&);
79    virtual bool onDispatchClick(int x, int y, Click::State, void* owner, unsigned modi);
80    // called if part of our bitmap is invalidated
81    virtual void onHandleInval(const SkIRect&);
82    virtual bool onHandleChar(SkUnichar);
83    virtual bool onHandleKey(SkKey);
84    virtual bool onHandleKeyUp(SkKey);
85    virtual void onAddMenu(const SkOSMenu*) {};
86    virtual void onUpdateMenu(const SkOSMenu*) {};
87    virtual void onSetTitle(const char title[]) {}
88
89    // overrides from SkView
90    virtual bool handleInval(const SkRect*);
91    virtual bool onGetFocusView(SkView** focus) const;
92    virtual bool onSetFocusView(SkView* focus);
93
94#if SK_SUPPORT_GPU
95    GrRenderTarget* renderTarget(const AttachmentInfo& attachmentInfo,
96                                 const GrGLInterface* , GrContext* grContext);
97#endif
98
99private:
100    SkSurfaceProps  fSurfaceProps;
101    SkBitmap    fBitmap;
102    SkRegion    fDirtyRgn;
103
104    SkTDArray<Click*>       fClicks; // to track clicks
105
106    SkTDArray<SkOSMenu*>    fMenus;
107
108    SkView* fFocusView;
109    bool    fWaitingOnInval;
110
111    SkString    fTitle;
112    SkMatrix    fMatrix;
113
114    typedef SkView INHERITED;
115};
116
117////////////////////////////////////////////////////////////////////////////////
118
119#if defined(SK_USE_SDL)
120    #include "SkOSWindow_SDL.h"
121#elif defined(SK_BUILD_FOR_MAC)
122    #include "SkOSWindow_Mac.h"
123#elif defined(SK_BUILD_FOR_WIN)
124    #include "SkOSWindow_Win.h"
125#elif defined(SK_BUILD_FOR_ANDROID)
126    #include "SkOSWindow_Android.h"
127#elif defined(SK_BUILD_FOR_UNIX)
128    #include "SkOSWindow_Unix.h"
129#elif defined(SK_BUILD_FOR_IOS)
130    #include "SkOSWindow_iOS.h"
131#endif
132
133#endif
134