Image writer implementing support for PNG. More...

#include <pngwriter.hh>

Inheritance diagram for PngWriter:

Classes
struct	PngPixel24
	Png Pixel type: not containing padding. More...

struct	PngStructHandle

Public Member Functions
	PngWriter (const FrameBuffer *_fb)
	Create a png that takes data in a given mode & size and outputs to an ostream. More...

	~PngWriter ()

const char *	getImgExtension () const override
	Return Image format as a string. More...

void	write (std::ostream &png) const override
	Write the frame buffer data into the provided ostream. More...

Public Member Functions inherited from ImgWriter
	ImgWriter (const FrameBuffer *_fb)

virtual	~ImgWriter ()

Private Types
typedef PngPixel24	PixelType

Private Attributes
struct PngWriter::PngPixel24	M5_ATTR_PACKED

Static Private Attributes
static const char *	_imgExtension = "png"

Additional Inherited Members
Protected Attributes inherited from ImgWriter
const FrameBuffer &	fb

Detailed Description

Image writer implementing support for PNG.

Definition at line 50 of file pngwriter.hh.

Member Typedef Documentation

◆ PixelType

typedef PngPixel24 PngWriter::PixelType

private

Definition at line 100 of file pngwriter.hh.

Constructor & Destructor Documentation

◆ PngWriter()

PngWriter::PngWriter ( const FrameBuffer * _fb )

inline

Create a png that takes data in a given mode & size and outputs to an ostream.

Definition at line 57 of file pngwriter.hh.

◆ ~PngWriter()

PngWriter::~PngWriter ( )

inline

Definition at line 61 of file pngwriter.hh.

Member Function Documentation

◆ getImgExtension()

const char* PngWriter::getImgExtension ( ) const

inlineoverridevirtual

Return Image format as a string.

Returns: img extension (e.g. .png for Png)

Implements ImgWriter.

Definition at line 68 of file pngwriter.hh.

References _imgExtension.

◆ write()

void PngWriter::write ( std::ostream & png ) const

overridevirtual

Write the frame buffer data into the provided ostream.

Parameters

png	stream to write to

Implements ImgWriter.

Definition at line 112 of file pngwriter.cc.

References FrameBuffer::area(), ImgWriter::fb, FrameBuffer::height(), FrameBuffer::pixel(), PngWriter::PngStructHandle::pngInfoP, PngWriter::PngStructHandle::pngWriteP, warn, ArmISA::width, FrameBuffer::width(), writePng(), and RiscvISA::x.

Member Data Documentation

◆ _imgExtension

const char * PngWriter::_imgExtension = "png"

staticprivate

Definition at line 104 of file pngwriter.hh.

Referenced by getImgExtension().

◆ M5_ATTR_PACKED

struct PngWriter::PngPixel24 PngWriter::M5_ATTR_PACKED

private

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

base/pngwriter.hh
base/pngwriter.cc

Classes

Public Member Functions

Private Types

Private Attributes

Static Private Attributes

Additional Inherited Members