MultiFrameSkp Class Reference

Inheritance diagram for MultiFrameSkp:

Public Member Functions
	MultiFrameSkp (const std::vector< SkDocumentPage > &frames)
int	drawAndFlushAndSync (GrDirectContext *context, SkSurface *surface, GpuSync &gpuSync) override
sk_sp< SkPicture >	frame (int n) const
int	count () const
Public Member Functions inherited from SkpProducer
virtual	~SkpProducer ()
virtual int	drawAndFlushAndSync (GrDirectContext *, SkSurface *surface, GpuSync &gpuSync)=0

Static Public Member Functions
static std::unique_ptr< MultiFrameSkp >	MakeFromFile (const SkString &path)

Detailed Description

Definition at line 169 of file skpbench.cpp.

Constructor & Destructor Documentation

MultiFrameSkp()

MultiFrameSkp::MultiFrameSkp ( const std::vector< SkDocumentPage > &  frames )

inline

Definition at line 171 of file skpbench.cpp.

: fFrames(frames){}

Member Function Documentation

count()

int MultiFrameSkp::count ( ) const

inline

Definition at line 210 of file skpbench.cpp.

{ return fFrames.size(); }

drawAndFlushAndSync()

int MultiFrameSkp::drawAndFlushAndSync ( GrDirectContext *  context, SkSurface *  surface, GpuSync &  gpuSync  )

inlineoverridevirtual

Implements SkpProducer.

Definition at line 199 of file skpbench.cpp.

                                                       {
        for (int i=0; i<this->count(); i++){
            draw_skp_and_flush_with_sync(context, surface, this->frame(i).get(), gpuSync);
        }
        return this->count();
    }

frame()

sk_sp< SkPicture > MultiFrameSkp::frame ( int  n ) const

inline

Definition at line 208 of file skpbench.cpp.

{ return fFrames[n].fPicture; }

MakeFromFile()

static std::unique_ptr< MultiFrameSkp > MultiFrameSkp::MakeFromFile ( const SkString &  path )

inlinestatic

Definition at line 173 of file skpbench.cpp.

                                                                           {
        // Load the multi frame skp at the given filename.
        std::unique_ptr<SkStreamAsset> stream = SkStream::MakeFromFile(path.c_str());
        if (!stream) { return nullptr; }
 
        // Attempt to deserialize with an image sharing serial proc.
        auto deserialContext = std::make_unique<SkSharingDeserialContext>();
        SkDeserialProcs procs;
        procs.fImageProc = SkSharingDeserialContext::deserializeImage;
        procs.fImageCtx = deserialContext.get();
 
        // The outer format of multi-frame skps is the multi-picture document, which is a
        // skp file containing subpictures separated by annotations.
        int page_count = SkMultiPictureDocument::ReadPageCount(stream.get());
        if (!page_count) {
            return nullptr;
        }
        std::vector<SkDocumentPage> frames(page_count); // can't call reserve, why?
        if (!SkMultiPictureDocument::Read(stream.get(), frames.data(), page_count, &procs)) {
            return nullptr;
        }
 
        return std::make_unique<MultiFrameSkp>(frames);
    }

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The documentation for this class was generated from the following file:

• third_party/skia/tools/skpbench/skpbench.cpp