SkWindow.h revision f2b98d67dcb6fcb3120feede9c72016fc7b3ead8 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef SkWindow_DEFINED
18#define SkWindow_DEFINED
19
20#include "SkView.h"
21#include "SkBitmap.h"
22#include "SkMatrix.h"
23#include "SkRegion.h"
24#include "SkEvent.h"
25#include "SkKey.h"
26#include "SkTDArray.h"
27
28#ifdef SK_BUILD_FOR_WINCEx
29    #define SHOW_FPS
30#endif
31//#define USE_GX_SCREEN
32
33class SkCanvas;
34
35class SkOSMenu;
36
37class SkWindow : public SkView {
38public:
39            SkWindow();
40    virtual ~SkWindow();
41
42    const SkBitmap& getBitmap() const { return fBitmap; }
43
44    void    setConfig(SkBitmap::Config);
45    void    resize(int width, int height, SkBitmap::Config config = SkBitmap::kNo_Config);
46    void    eraseARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b);
47    void    eraseRGB(U8CPU r, U8CPU g, U8CPU b);
48
49    bool    isDirty() const { return !fDirtyRgn.isEmpty(); }
50    bool    update(SkIRect* updateArea, SkCanvas* = NULL);
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);
58    bool    handleChar(SkUnichar);
59    bool    handleKey(SkKey);
60    bool    handleKeyUp(SkKey);
61    bool    handleMenu(uint32_t os_cmd);
62
63    void    addMenu(SkOSMenu*);
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
73protected:
74    virtual bool onEvent(const SkEvent&);
75
76    // called if part of our bitmap is invalidated
77    virtual void onHandleInval(const SkIRect&);
78    virtual bool onHandleChar(SkUnichar);
79    virtual bool onHandleKey(SkKey);
80    virtual bool onHandleKeyUp(SkKey);
81    virtual void onAddMenu(const SkOSMenu*) {}
82    virtual void onSetTitle(const char title[]) {}
83
84    // overrides from SkView
85    virtual bool handleInval(const SkRect*);
86    virtual bool onGetFocusView(SkView** focus) const;
87    virtual bool onSetFocusView(SkView* focus);
88
89private:
90    SkBitmap::Config    fConfig;
91    SkBitmap    fBitmap;
92    SkRegion    fDirtyRgn;
93    Click*      fClick; // to track clicks
94
95    SkTDArray<SkOSMenu*>    fMenus;
96
97    SkView* fFocusView;
98    bool    fWaitingOnInval;
99
100    SkString    fTitle;
101    SkMatrix    fMatrix;
102
103    typedef SkView INHERITED;
104};
105
106///////////////////////////////////////////////////////////
107
108#ifdef SK_USE_WXWIDGETS
109    #include "SkOSWindow_wxwidgets.h"
110#elif defined(SK_BUILD_FOR_MAC)
111    #include "SkOSWindow_Mac.h"
112#elif defined(SK_BUILD_FOR_WIN)
113    #include "SkOSWindow_Win.h"
114#elif defined(SK_BUILD_FOR_UNIXx)
115  #include "SkOSWindow_Unix.h"
116#elif defined(SK_BUILD_FOR_SDL)
117    #include "SkOSWindow_SDL.h"
118#elif defined(SK_BUILD_FOR_IOS)
119    #include "SkOSWindow_iOS.h"
120#endif
121
122#endif
123
124