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/*
* Copyright 2008, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PictureSet_h
#define PictureSet_h
#define PICTURE_SET_DUMP 0
#define PICTURE_SET_DEBUG 0
#define PICTURE_SET_VALIDATE 0
#if PICTURE_SET_DEBUG
#define DBG_SET_LOG(message) ALOGD("%s %s", __FUNCTION__, message)
#define DBG_SET_LOGD(format, ...) ALOGD("%s " format, __FUNCTION__, __VA_ARGS__)
#define DEBUG_SET_UI_LOGD(...) ALOGD(__VA_ARGS__)
#else
#define DBG_SET_LOG(message) ((void)0)
#define DBG_SET_LOGD(format, ...) ((void)0)
#define DEBUG_SET_UI_LOGD(...) ((void)0)
#endif
#include "jni.h"
#include "SkRegion.h"
#include <wtf/Vector.h>
#include <wtf/HashMap.h>
// #define FAST_PICTURESET // use a hierarchy of pictures
class SkCanvas;
class SkPicture;
class SkIRect;
namespace android {
#ifdef FAST_PICTURESET
struct BucketPicture {
SkPicture* mPicture;
SkIRect mArea;
SkIRect mRealArea;
bool mBase;
};
typedef std::pair<int, int> BucketPosition;
typedef WTF::Vector<BucketPicture> Bucket;
typedef WTF::HashMap<BucketPosition , Bucket* > BucketMap;
#endif
class PictureSet {
public:
PictureSet();
PictureSet(const PictureSet& src) { set(src); }
PictureSet(SkPicture* picture);
virtual ~PictureSet();
#ifdef FAST_PICTURESET
void displayBucket(Bucket* bucket);
void displayBuckets();
WTF::Vector<Bucket*>* bucketsToUpdate() { return &mUpdatedBuckets; }
Bucket* getBucket(int x, int y);
void addToBucket(Bucket* bucket, int dx, int dy, SkIRect& rect);
void gatherBucketsForArea(WTF::Vector<Bucket*>& list, const SkIRect& rect);
void splitAdd(const SkIRect& rect);
#endif
void add(const SkRegion& area, uint32_t elapsed, bool split);
// Update mWidth/mHeight, and adds any additional inval region
void setDimensions(int width, int height, SkRegion* inval = 0);
void clear();
bool draw(SkCanvas* );
static PictureSet* GetNativePictureSet(JNIEnv* env, jobject jpic);
int height() const { return mHeight; }
bool isEmpty() const; // returns true if empty or only trivial content
void set(const PictureSet& );
#ifdef FAST_PICTURESET
#else
void add(const SkIRect& area, uint32_t elapsed, bool split, bool empty);
const SkIRect& bounds(size_t i) const {
return mPictures[i].mArea; }
void setPicture(size_t i, SkPicture* p);
void setDrawTimes(const PictureSet& );
size_t size() const { return mPictures.size(); }
void split(PictureSet* result) const;
bool upToDate(size_t i) const { return mPictures[i].mPicture != NULL; }
#endif
int width() const { return mWidth; }
void dump(const char* label) const;
bool validate(const char* label) const;
private:
bool emptyPicture(SkPicture* ) const; // true if no text, images, paths
#ifdef FAST_PICTURESET
BucketMap mBuckets;
WTF::Vector<Bucket*> mUpdatedBuckets;
int mBucketSizeX;
int mBucketSizeY;
int mBucketCountX;
int mBucketCountY;
#else
struct Pictures {
SkIRect mArea;
SkPicture* mPicture;
SkIRect mUnsplit;
uint32_t mElapsed;
bool mSplit : 8;
bool mWroteElapsed : 8;
bool mBase : 8; // true if nothing is drawn underneath this
bool mEmpty : 8; // true if the picture only draws white
};
void add(const Pictures* temp);
WTF::Vector<Pictures> mPictures;
#endif
float mBaseArea;
float mAdditionalArea;
int mHeight;
int mWidth;
};
}
#endif
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