SkWindow.h revision a8540416f65b55aadbe68cdef9fece5a23257d5e 
1
2/*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10#ifndef SkWindow_DEFINED
11#define SkWindow_DEFINED
12
13#include "SkView.h"
14#include "SkBitmap.h"
15#include "SkMatrix.h"
16#include "SkRegion.h"
17#include "SkEvent.h"
18#include "SkKey.h"
19#include "SkTDArray.h"
20
21#ifdef SK_BUILD_FOR_WINCEx
22    #define SHOW_FPS
23#endif
24//#define USE_GX_SCREEN
25
26class SkCanvas;
27
28class SkOSMenu;
29
30class SkWindow : public SkView {
31public:
32            SkWindow();
33    virtual ~SkWindow();
34
35    const SkBitmap& getBitmap() const { return fBitmap; }
36
37    void    setConfig(SkBitmap::Config);
38    void    resize(int width, int height, SkBitmap::Config config = SkBitmap::kNo_Config);
39    void    eraseARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b);
40    void    eraseRGB(U8CPU r, U8CPU g, U8CPU b);
41
42    bool    isDirty() const { return !fDirtyRgn.isEmpty(); }
43    bool    update(SkIRect* updateArea, SkCanvas* = NULL);
44    // does not call through to onHandleInval(), but does force the fDirtyRgn
45    // to be wide open. Call before update() to ensure we redraw everything.
46    void    forceInvalAll();
47    // return the bounds of the dirty/inval rgn, or [0,0,0,0] if none
48    const SkIRect& getDirtyBounds() const { return fDirtyRgn.getBounds(); }
49
50    bool    handleClick(int x, int y, Click::State, void* owner = NULL);
51    bool    handleChar(SkUnichar);
52    bool    handleKey(SkKey);
53    bool    handleKeyUp(SkKey);
54
55    void    addMenu(SkOSMenu*);
56    const SkTDArray<SkOSMenu*>* getMenus() { return &fMenus; }
57
58    const char* getTitle() const { return fTitle.c_str(); }
59    void    setTitle(const char title[]);
60
61    const SkMatrix& getMatrix() const { return fMatrix; }
62    void    setMatrix(const SkMatrix&);
63    void    preConcat(const SkMatrix&);
64    void    postConcat(const SkMatrix&);
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#ifdef SK_USE_WXWIDGETS
106    #include "SkOSWindow_wxwidgets.h"
107#elif defined(SK_BUILD_FOR_MAC)
108    #include "SkOSWindow_Mac.h"
109#elif defined(SK_BUILD_FOR_WIN)
110    #include "SkOSWindow_Win.h"
111#elif defined(ANDROID)
112    #include "SkOSWindow_Android.h"
113#elif defined(SK_BUILD_FOR_UNIX)
114  #include "SkOSWindow_Unix.h"
115#elif defined(SK_BUILD_FOR_SDL)
116    #include "SkOSWindow_SDL.h"
117#elif defined(SK_BUILD_FOR_IOS)
118    #include "SkOSWindow_iOS.h"
119#endif
120
121#endif
122
123