1/*
2 * Copyright 2008, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef PICTURESET_H
27#define PICTURESET_H
28
29#define PICTURE_SET_DUMP 0
30#define PICTURE_SET_DEBUG 0
31#define PICTURE_SET_VALIDATE 0
32
33#if PICTURE_SET_DEBUG
34#define DBG_SET_LOG(message) LOGD("%s %s", __FUNCTION__, message)
35#define DBG_SET_LOGD(format, ...) LOGD("%s " format, __FUNCTION__, __VA_ARGS__)
36#define DEBUG_SET_UI_LOGD(...) LOGD(__VA_ARGS__)
37#else
38#define DBG_SET_LOG(message) ((void)0)
39#define DBG_SET_LOGD(format, ...) ((void)0)
40#define DEBUG_SET_UI_LOGD(...) ((void)0)
41#endif
42
43#include "jni.h"
44#include "SkRegion.h"
45#include <wtf/Vector.h>
46
47class SkCanvas;
48class SkPicture;
49class SkIRect;
50
51namespace android {
52
53    class PictureSet {
54    public:
55        PictureSet();
56        PictureSet(const PictureSet& src) { set(src); }
57        virtual ~PictureSet();
58        void add(const SkRegion& area, SkPicture* picture,
59            uint32_t elapsed, bool split)
60        {
61            add(area, picture, elapsed, split, emptyPicture(picture));
62        }
63        void add(const SkRegion& area, SkPicture* picture,
64            uint32_t elapsed, bool split, bool empty);
65        const SkIRect& bounds(size_t i) const {
66            return mPictures[i].mArea.getBounds(); }
67        bool build();
68        // Update mWidth/mHeight, and adds any additional inval region
69        void checkDimensions(int width, int height, SkRegion* inval);
70        void clear();
71        bool draw(SkCanvas* );
72        static PictureSet* GetNativePictureSet(JNIEnv* env, jobject jpic);
73        int height() const { return mHeight; }
74        bool isEmpty() const; // returns true if empty or only trivial content
75        bool reuseSubdivided(const SkRegion& );
76        void set(const PictureSet& );
77        void setDrawTimes(const PictureSet& );
78        void setPicture(size_t i, SkPicture* p);
79        size_t size() const { return mPictures.size(); }
80        void split(PictureSet* result) const;
81        bool upToDate(size_t i) const { return mPictures[i].mPicture != NULL; }
82        int width() const { return mWidth; }
83        void dump(const char* label) const;
84        bool validate(const char* label) const;
85    private:
86        bool emptyPicture(SkPicture* ) const; // true if no text, images, paths
87        struct Pictures {
88            SkRegion mArea;
89            SkPicture* mPicture;
90            SkIRect mUnsplit;
91            uint32_t mElapsed;
92            bool mSplit : 8;
93            bool mWroteElapsed : 8;
94            bool mBase : 8; // true if nothing is drawn underneath this
95            bool mEmpty : 8; // true if the picture only draws white
96        };
97        void add(const Pictures* temp);
98        WTF::Vector<Pictures> mPictures;
99        int mHeight;
100        int mWidth;
101    };
102}
103
104#endif
105