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diff --git a/skia/include/SkPicture.h b/skia/include/SkPicture.h
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-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef SkPicture_DEFINED
-#define SkPicture_DEFINED
-
-#include "SkRefCnt.h"
-
-class SkCanvas;
-class SkPicturePlayback;
-class SkPictureRecord;
-class SkStream;
-class SkWStream;
-
-/** \class SkPicture
-
- The SkPicture class records the drawing commands made to a canvas, to
- be played back at a later time.
-*/
-class SkPicture : public SkRefCnt {
-public:
- /** The constructor prepares the picture to record.
- @param width the width of the virtual device the picture records.
- @param height the height of the virtual device the picture records.
- */
- SkPicture();
- /** Make a copy of the contents of src. If src records more drawing after
- this call, those elements will not appear in this picture.
- */
- SkPicture(const SkPicture& src);
- explicit SkPicture(SkStream*);
- virtual ~SkPicture();
-
- /**
- * Swap the contents of the two pictures. Guaranteed to succeed.
- */
- void swap(SkPicture& other);
-
- /** Returns the canvas that records the drawing commands.
- @return the picture canvas.
- */
- SkCanvas* beginRecording(int width, int height);
- /** Returns the recording canvas if one is active, or NULL if recording is
- not active. This does not alter the refcnt on the canvas (if present).
- */
- SkCanvas* getRecordingCanvas() const;
- /** Signal that the caller is done recording. This invalidates the canvas
- returned by beginRecording/getRecordingCanvas, and prepares the picture
- for drawing. Note: this happens implicitly the first time the picture
- is drawn.
- */
- void endRecording();
-
- /** Replays the drawing commands on the specified canvas. This internally
- calls endRecording() if that has not already been called.
- @param surface the canvas receiving the drawing commands.
- */
- void draw(SkCanvas* surface);
-
- /** Return the width of the picture's recording canvas. This
- value reflects what was passed to setSize(), and does not necessarily
- reflect the bounds of what has been recorded into the picture.
- @return the width of the picture's recording canvas
- */
- int width() const { return fWidth; }
-
- /** Return the height of the picture's recording canvas. This
- value reflects what was passed to setSize(), and does not necessarily
- reflect the bounds of what has been recorded into the picture.
- @return the height of the picture's recording canvas
- */
- int height() const { return fHeight; }
-
- void serialize(SkWStream*) const;
-
- /** Signals that the caller is prematurely done replaying the drawing
- commands. This can be called from a canvas virtual while the picture
- is drawing. Has no effect if the picture is not drawing.
- */
- void abortPlayback();
-
-private:
- int fWidth, fHeight;
- SkPictureRecord* fRecord;
- SkPicturePlayback* fPlayback;
-
- friend class SkFlatPicture;
- friend class SkPicturePlayback;
-};
-
-class SkAutoPictureRecord : SkNoncopyable {
-public:
- SkAutoPictureRecord(SkPicture* pict, int width, int height) {
- fPicture = pict;
- fCanvas = pict->beginRecording(width, height);
- }
- ~SkAutoPictureRecord() {
- fPicture->endRecording();
- }
-
- /** Return the canvas to draw into for recording into the picture.
- */
- SkCanvas* getRecordingCanvas() const { return fCanvas; }
-
-private:
- SkPicture* fPicture;
- SkCanvas* fCanvas;
-};
-
-
-#endif