#Topic Picture
#Alias Pictures ##
#Alias Picture_Reference ##

#Class SkPicture

An SkPicture records drawing commands made to a canvas to be played back at a later time.
This base class handles serialization and a few other miscellany.

#Subtopic Overview
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#Subtopic Class
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#Subtopic Member_Function
#Populate
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#Class AbortCallback
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Subclasses of this can be passed to playback(). During the playback
of the picture, this callback will periodically be invoked. If its
abort() returns true, then picture playback will be interrupted.
The resulting drawing is undefined, as there is no guarantee how often the
callback will be invoked. If the abort happens inside some level of nested
calls to save(), restore will automatically be called to return the state
to the same level it was before the playback call was made.

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#Method AbortCallback()
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#Method virtual ~AbortCallback()
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#Method virtual bool abort() = 0
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#Class AbortCallback ##

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#Method static sk_sp<SkPicture> MakeFromStream(SkStream* stream,
                                           const SkDeserialProcs* procs = nullptr)
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Recreate a picture that was serialized into a stream or data.

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#Method static sk_sp<SkPicture> MakeFromData(const SkData* data,
                                         const SkDeserialProcs* procs = nullptr)
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#Method static sk_sp<SkPicture> MakeFromData(const void* data, size_t size,
                                         const SkDeserialProcs* procs = nullptr)
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#Method virtual void playback(SkCanvas* canvas, AbortCallback* callback = nullptr) const = 0
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Replays the drawing commands on the specified canvas. Note that
this has the effect of unfurling this picture into the destination
canvas. Using the SkCanvas::drawPicture entry point gives the destination
canvas the option of just taking a ref.

#Param canvas  the canvas receiving the drawing commands.
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#Param callback  a callback that allows interruption of playback
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#Method virtual SkRect cullRect() const = 0
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Return a cull rect for this picture.
Ops recorded into this picture that attempt to draw outside the cull might not be drawn.

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#Method uint32_t uniqueID() const
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Returns a non-zero value unique among all pictures.

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#Method sk_sp<SkData> serialize(const SkSerialProcs* procs = nullptr) const
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#Method void serialize(SkWStream* stream, const SkSerialProcs* procs = nullptr) const
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#Method static sk_sp<SkPicture> MakePlaceholder(SkRect cull)
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Return a placeholder SkPicture.
This placeholder does not draw anything itself.  It has a distinct uniqueID()
(just like all Pictures) and will always be visible to SkSerialProcs.

#Param cull  the placeholder's dimensions
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#Method virtual int approximateOpCount() const = 0
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Return the approximate number of operations in this picture.  This
number may be greater or less than the number of SkCanvas calls
recorded: some calls may be recorded as more than one operation, or some
calls may be optimized away.

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#Method virtual size_t approximateBytesUsed() const = 0
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Returns the approximate byte size of this picture, not including large ref'd objects.

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#Method ##

#Class SkPicture ##

#Topic Picture ##