SkWindow.h revision 5957f47e8de0ff55b8c0bf84984d4915c7c72825 
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 "SkTDArray.h"
18
19#ifdef SK_BUILD_FOR_WINCEx
20    #define SHOW_FPS
21#endif
22//#define USE_GX_SCREEN
23
24class SkCanvas;
25
26class SkOSMenu;
27
28class SkWindow : public SkView {
29public:
30            SkWindow();
31    virtual ~SkWindow();
32
33    const SkBitmap& getBitmap() const { return fBitmap; }
34
35    void    setConfig(SkBitmap::Config);
36    void    resize(int width, int height, SkBitmap::Config config = SkBitmap::kNo_Config);
37    void    eraseARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b);
38    void    eraseRGB(U8CPU r, U8CPU g, U8CPU b);
39
40    bool    isDirty() const { return !fDirtyRgn.isEmpty(); }
41    bool    update(SkIRect* updateArea);
42    // does not call through to onHandleInval(), but does force the fDirtyRgn
43    // to be wide open. Call before update() to ensure we redraw everything.
44    void    forceInvalAll();
45    // return the bounds of the dirty/inval rgn, or [0,0,0,0] if none
46    const SkIRect& getDirtyBounds() const { return fDirtyRgn.getBounds(); }
47
48    bool    handleClick(int x, int y, Click::State, void* owner = NULL);
49    bool    handleChar(SkUnichar);
50    bool    handleKey(SkKey);
51    bool    handleKeyUp(SkKey);
52
53    void    addMenu(SkOSMenu*);
54    const SkTDArray<SkOSMenu*>* getMenus() { return &fMenus; }
55
56    const char* getTitle() const { return fTitle.c_str(); }
57    void    setTitle(const char title[]);
58
59    const SkMatrix& getMatrix() const { return fMatrix; }
60    void    setMatrix(const SkMatrix&);
61    void    preConcat(const SkMatrix&);
62    void    postConcat(const SkMatrix&);
63
64    virtual SkCanvas* createCanvas();
65
66    virtual void onPDFSaved(const char title[], const char desc[],
67        const char path[]) {}
68protected:
69    virtual bool onEvent(const SkEvent&);
70    virtual bool onDispatchClick(int x, int y, Click::State, void* owner);
71    // called if part of our bitmap is invalidated
72    virtual void onHandleInval(const SkIRect&);
73    virtual bool onHandleChar(SkUnichar);
74    virtual bool onHandleKey(SkKey);
75    virtual bool onHandleKeyUp(SkKey);
76    virtual void onAddMenu(const SkOSMenu*) {};
77    virtual void onUpdateMenu(const SkOSMenu*) {};
78    virtual void onSetTitle(const char title[]) {}
79
80    // overrides from SkView
81    virtual bool handleInval(const SkRect*);
82    virtual bool onGetFocusView(SkView** focus) const;
83    virtual bool onSetFocusView(SkView* focus);
84
85private:
86    SkBitmap::Config    fConfig;
87    SkBitmap    fBitmap;
88    SkRegion    fDirtyRgn;
89
90    SkTDArray<Click*>       fClicks; // to track clicks
91
92    SkTDArray<SkOSMenu*>    fMenus;
93
94    SkView* fFocusView;
95    bool    fWaitingOnInval;
96
97    SkString    fTitle;
98    SkMatrix    fMatrix;
99
100    typedef SkView INHERITED;
101};
102
103////////////////////////////////////////////////////////////////////////////////
104
105#if defined(SK_BUILD_FOR_MAC)
106    #include "SkOSWindow_Mac.h"
107#elif defined(SK_BUILD_FOR_WIN)
108    #include "SkOSWindow_Win.h"
109#elif defined(SK_BUILD_FOR_ANDROID)
110    #include "SkOSWindow_Android.h"
111#elif defined(SK_BUILD_FOR_UNIX)
112  #include "SkOSWindow_Unix.h"
113#elif defined(SK_BUILD_FOR_SDL)
114    #include "SkOSWindow_SDL.h"
115#elif defined(SK_BUILD_FOR_IOS)
116    #include "SkOSWindow_iOS.h"
117#endif
118
119#endif
120