9f1c241e0d
The real question is whether we ever want to record a picture without using the path bounds for a conservative (but faster) clip answer? R=reed@google.com, mtklein@google.com, djsollen@google.com, scroggo@google.com Author: robertphillips@google.com Review URL: https://codereview.chromium.org/316143003
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkPictureRecorder_DEFINED
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#define SkPictureRecorder_DEFINED
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#include "SkBBHFactory.h"
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#include "SkPicture.h"
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#include "SkRefCnt.h"
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class SkCanvas;
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class SkPictureRecord;
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class SK_API SkPictureRecorder : SkNoncopyable {
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public:
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SkPictureRecorder() : fCanvas(NULL) { }
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~SkPictureRecorder();
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/** Returns the canvas that records the drawing commands.
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@param width the base width for the picture, as if the recording
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canvas' bitmap had this width.
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@param height the base width for the picture, as if the recording
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canvas' bitmap had this height.
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@param bbhFactory factory to create desired acceleration structure
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@param recordFlags optional flags that control recording.
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@return the canvas.
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*/
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SkCanvas* beginRecording(int width, int height,
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SkBBHFactory* bbhFactory = NULL,
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uint32_t recordFlags = 0);
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/** Returns the recording canvas if one is active, or NULL if recording is
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not active. This does not alter the refcnt on the canvas (if present).
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*/
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SkCanvas* getRecordingCanvas();
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/** Signal that the caller is done recording. This invalidates the canvas
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returned by beginRecording/getRecordingCanvas, and returns the
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created SkPicture. Note that the returned picture has its creation
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ref which the caller must take ownership of.
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*/
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SkPicture* endRecording();
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/** Enable/disable all the picture recording optimizations (i.e.,
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those in SkPictureRecord). It is mainly intended for testing the
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existing optimizations (i.e., to actually have the pattern
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appear in an .skp we have to disable the optimization). Call right
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after 'beginRecording'.
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*/
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void internalOnly_EnableOpts(bool enableOpts);
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private:
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/** Replay the current (partially recorded) operation stream into
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canvas. This call doesn't close the current recording.
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*/
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friend class AndroidPicture;
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friend class SkPictureRecorderReplayTester; // for unit testing
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void partialReplay(SkCanvas* canvas) const;
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SkAutoTUnref<SkPicture> fPicture;
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SkPictureRecord* fCanvas; // ref counted
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typedef SkNoncopyable INHERITED;
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};
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#endif
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