SkWindow.h revision 474a9ea051c584c373da28c5c8511f279ebd734c 
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 "SkView.h"
12#include "SkBitmap.h"
13#include "SkMatrix.h"
14#include "SkRegion.h"
15#include "SkEvent.h"
16#include "SkKey.h"
17#include "SkSurfaceProps.h"
18#include "SkTDArray.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    const SkBitmap& getBitmap() const { return fBitmap; }
45
46    void    setColorType(SkColorType);
47    void    resize(int width, int height, SkColorType = kUnknown_SkColorType);
48
49    bool    isDirty() const { return !fDirtyRgn.isEmpty(); }
50    bool    update(SkIRect* updateArea);
51    // does not call through to onHandleInval(), but does force the fDirtyRgn
52    // to be wide open. Call before update() to ensure we redraw everything.
53    void    forceInvalAll();
54    // return the bounds of the dirty/inval rgn, or [0,0,0,0] if none
55    const SkIRect& getDirtyBounds() const { return fDirtyRgn.getBounds(); }
56
57    bool    handleClick(int x, int y, Click::State, void* owner, unsigned modi = 0);
58    bool    handleChar(SkUnichar);
59    bool    handleKey(SkKey);
60    bool    handleKeyUp(SkKey);
61
62    void    addMenu(SkOSMenu*);
63    const SkTDArray<SkOSMenu*>* getMenus() { return &fMenus; }
64
65    const char* getTitle() const { return fTitle.c_str(); }
66    void    setTitle(const char title[]);
67
68    const SkMatrix& getMatrix() const { return fMatrix; }
69    void    setMatrix(const SkMatrix&);
70    void    preConcat(const SkMatrix&);
71    void    postConcat(const SkMatrix&);
72
73    virtual SkSurface* createSurface();
74
75    virtual void onPDFSaved(const char title[], const char desc[],
76        const char path[]) {}
77
78protected:
79    virtual bool onEvent(const SkEvent&);
80    virtual bool onDispatchClick(int x, int y, Click::State, void* owner, unsigned modi);
81    // called if part of our bitmap is invalidated
82    virtual void onHandleInval(const SkIRect&);
83    virtual bool onHandleChar(SkUnichar);
84    virtual bool onHandleKey(SkKey);
85    virtual bool onHandleKeyUp(SkKey);
86    virtual void onAddMenu(const SkOSMenu*) {};
87    virtual void onUpdateMenu(const SkOSMenu*) {};
88    virtual void onSetTitle(const char title[]) {}
89
90    // overrides from SkView
91    virtual bool handleInval(const SkRect*);
92    virtual bool onGetFocusView(SkView** focus) const;
93    virtual bool onSetFocusView(SkView* focus);
94
95#if SK_SUPPORT_GPU
96    GrRenderTarget* renderTarget(const AttachmentInfo& attachmentInfo,
97                                 const GrGLInterface* , GrContext* grContext);
98#endif
99
100private:
101    SkSurfaceProps  fSurfaceProps;
102    SkColorType fColorType;
103    SkBitmap    fBitmap;
104    SkRegion    fDirtyRgn;
105
106    SkTDArray<Click*>       fClicks; // to track clicks
107
108    SkTDArray<SkOSMenu*>    fMenus;
109
110    SkView* fFocusView;
111    bool    fWaitingOnInval;
112
113    SkString    fTitle;
114    SkMatrix    fMatrix;
115
116    typedef SkView INHERITED;
117};
118
119////////////////////////////////////////////////////////////////////////////////
120
121#if defined(SK_USE_SDL)
122    #include "SkOSWindow_SDL.h"
123#elif defined(SK_BUILD_FOR_MAC)
124    #include "SkOSWindow_Mac.h"
125#elif defined(SK_BUILD_FOR_WIN)
126    #include "SkOSWindow_Win.h"
127#elif defined(SK_BUILD_FOR_ANDROID)
128    #include "SkOSWindow_Android.h"
129#elif defined(SK_BUILD_FOR_UNIX)
130    #include "SkOSWindow_Unix.h"
131#elif defined(SK_BUILD_FOR_IOS)
132    #include "SkOSWindow_iOS.h"
133#endif
134
135#endif
136