SkWindow.h revision 4302ae91b0c97993f7b659474a5fd305921cdc5e 
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
20#ifdef SK_BUILD_FOR_WINCEx
21    #define SHOW_FPS
22#endif
23//#define USE_GX_SCREEN
24
25class SkSurface;
26class SkOSMenu;
27
28class SkWindow : public SkView {
29public:
30            SkWindow();
31    virtual ~SkWindow();
32
33    SkSurfaceProps getSurfaceProps() const { return fSurfaceProps; }
34    void setSurfaceProps(const SkSurfaceProps& props) {
35        fSurfaceProps = props;
36    }
37
38    const SkBitmap& getBitmap() const { return fBitmap; }
39
40    void    setColorType(SkColorType);
41    void    resize(int width, int height, SkColorType = kUnknown_SkColorType);
42
43    bool    isDirty() const { return !fDirtyRgn.isEmpty(); }
44    bool    update(SkIRect* updateArea);
45    // does not call through to onHandleInval(), but does force the fDirtyRgn
46    // to be wide open. Call before update() to ensure we redraw everything.
47    void    forceInvalAll();
48    // return the bounds of the dirty/inval rgn, or [0,0,0,0] if none
49    const SkIRect& getDirtyBounds() const { return fDirtyRgn.getBounds(); }
50
51    bool    handleClick(int x, int y, Click::State, void* owner, unsigned modi = 0);
52    bool    handleChar(SkUnichar);
53    bool    handleKey(SkKey);
54    bool    handleKeyUp(SkKey);
55
56    void    addMenu(SkOSMenu*);
57    const SkTDArray<SkOSMenu*>* getMenus() { return &fMenus; }
58
59    const char* getTitle() const { return fTitle.c_str(); }
60    void    setTitle(const char title[]);
61
62    const SkMatrix& getMatrix() const { return fMatrix; }
63    void    setMatrix(const SkMatrix&);
64    void    preConcat(const SkMatrix&);
65    void    postConcat(const SkMatrix&);
66
67    virtual SkSurface* createSurface();
68
69    virtual void onPDFSaved(const char title[], const char desc[],
70        const char path[]) {}
71protected:
72    virtual bool onEvent(const SkEvent&);
73    virtual bool onDispatchClick(int x, int y, Click::State, void* owner, unsigned modi);
74    // called if part of our bitmap is invalidated
75    virtual void onHandleInval(const SkIRect&);
76    virtual bool onHandleChar(SkUnichar);
77    virtual bool onHandleKey(SkKey);
78    virtual bool onHandleKeyUp(SkKey);
79    virtual void onAddMenu(const SkOSMenu*) {};
80    virtual void onUpdateMenu(const SkOSMenu*) {};
81    virtual void onSetTitle(const char title[]) {}
82
83    // overrides from SkView
84    virtual bool handleInval(const SkRect*);
85    virtual bool onGetFocusView(SkView** focus) const;
86    virtual bool onSetFocusView(SkView* focus);
87
88private:
89    SkSurfaceProps  fSurfaceProps;
90    SkColorType fColorType;
91    SkBitmap    fBitmap;
92    SkRegion    fDirtyRgn;
93
94    SkTDArray<Click*>       fClicks; // to track clicks
95
96    SkTDArray<SkOSMenu*>    fMenus;
97
98    SkView* fFocusView;
99    bool    fWaitingOnInval;
100
101    SkString    fTitle;
102    SkMatrix    fMatrix;
103
104    typedef SkView INHERITED;
105};
106
107////////////////////////////////////////////////////////////////////////////////
108
109#if defined(SK_BUILD_FOR_NACL)
110    #include "SkOSWindow_NaCl.h"
111#elif defined(SK_BUILD_FOR_MAC)
112    #include "SkOSWindow_Mac.h"
113#elif defined(SK_BUILD_FOR_WIN)
114    #include "SkOSWindow_Win.h"
115#elif defined(SK_BUILD_FOR_ANDROID)
116    #include "SkOSWindow_Android.h"
117#elif defined(SK_BUILD_FOR_UNIX)
118  #include "SkOSWindow_Unix.h"
119#elif defined(SK_BUILD_FOR_SDL)
120    #include "SkOSWindow_SDL.h"
121#elif defined(SK_BUILD_FOR_IOS)
122    #include "SkOSWindow_iOS.h"
123#endif
124
125#endif
126