pagespeed::image_compression::ScanlineWriterInterface Class Reference

Inheritance diagram for pagespeed::image_compression::ScanlineWriterInterface:

Public Member Functions
virtual ScanlineStatus	InitWithStatus (const size_t width, const size_t height, PixelFormat pixel_format)=0
	Initialize the basic parameter for writing the image.
bool	Init (const size_t width, const size_t height, PixelFormat pixel_format)
virtual ScanlineStatus	InitializeWriteWithStatus (const void *config, GoogleString *const out)=0
bool	InitializeWrite (const void *config, GoogleString *const out)
virtual ScanlineStatus	WriteNextScanlineWithStatus (const void *scanline_bytes)=0
bool	WriteNextScanline (const void *scanline_bytes)
virtual ScanlineStatus	FinalizeWriteWithStatus ()=0
	Finalizes write structure once all scanlines are written.
bool	FinalizeWrite ()

Member Function Documentation

virtual ScanlineStatus pagespeed::image_compression::ScanlineWriterInterface::WriteNextScanlineWithStatus ( const void *  scanline_bytes )

pure virtual

Writes the current scan line with data provided. Returns false if the write fails.

Implemented in pagespeed::image_compression::PngScanlineWriter, pagespeed::image_compression::JpegScanlineWriter, and pagespeed::image_compression::FrameToScanlineWriterAdapter.

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

• pagespeed/kernel/image/scanline_interface.h