1 files changed, 104 insertions, 0 deletions
diff --git a/Source/WebKit/android/jni/PictureSet.h b/Source/WebKit/android/jni/PictureSet.h
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+++ b/Source/WebKit/android/jni/PictureSet.h
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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) LOGD("%s %s", __FUNCTION__, message)
+#define DBG_SET_LOGD(format, ...) LOGD("%s " format, __FUNCTION__, __VA_ARGS__)
+#define DEBUG_SET_UI_LOGD(...) LOGD(__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>
+
+class SkCanvas;
+class SkPicture;
+class SkIRect;
+
+namespace android {
+
+    class PictureSet {
+    public:
+        PictureSet();
+        PictureSet(const PictureSet& src) { set(src); }
+        virtual ~PictureSet();
+        void add(const SkRegion& area, SkPicture* picture,
+            uint32_t elapsed, bool split) 
+        {
+            add(area, picture, elapsed, split, emptyPicture(picture));
+        }
+        void add(const SkRegion& area, SkPicture* picture,
+            uint32_t elapsed, bool split, bool empty);
+        const SkIRect& bounds(size_t i) const {
+            return mPictures[i].mArea.getBounds(); }
+        bool build();
+        // Update mWidth/mHeight, and adds any additional inval region
+        void checkDimensions(int width, int height, SkRegion* inval);
+        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
+        bool reuseSubdivided(const SkRegion& );
+        void set(const PictureSet& );
+        void setDrawTimes(const PictureSet& );
+        void setPicture(size_t i, SkPicture* p);
+        size_t size() const { return mPictures.size(); }
+        void split(PictureSet* result) const;
+        bool upToDate(size_t i) const { return mPictures[i].mPicture != NULL; }
+        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
+        struct Pictures {
+            SkRegion 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;
+        int mHeight;
+        int mWidth;
+    };
+}
+
+#endif