ImageData Class Reference

#include <ImageData.h>

Collaboration diagram for ImageData:


Public Member Functions
	ImageData (int bytesPerPixel)
	~ImageData ()
int	GetBuffSize (const int &startx, const int &starty, const int &sizex, const int &sizey, const int req_wid, const int req_ht, const byte *src)
int	GetImageDataSize (void)
int	AddImage (const int req_wid, byte *dest=NULL)
void	WriteHeader (ImageDataCombine_t combine, const liveVizRequest req, byte dest)
void	ReadHeader (ImageDataCombine_t &combine, liveVizRequest req, const byte src)
int	CombineImageDataSize (int nMsg, CkReductionMsg **msgs)
void	CombineImageData (int nMsg, CkReductionMsg *msgs, byte dest)
byte *	ConstructImage (byte *src, liveVizRequest &req)
Private Member Functions
int	CopyImageData (byte dest, int n, const CkReductionMsg msg, ImageDataCombine_t reducer)
byte *	GetClippedImage (const byte *img, const int &startx, const int &starty, const int &sizex, const int &sizey, const int req_wid, const int req_ht)
bool	IsPixelOn (const byte *pixel)
void	CopyPixel (byte dest, const byte src)
int	NumNonNullLists (int pos, const int size, const int &n)
int	GetNonNullListIndex (const int *pos, const int &n)
void	SetSize (int nLines, int nPixels)
	Make our image size be this many lines and pixels.
LineHeader *	getHeader (void *src, int lineNo)
	Get the header for this line of this compressed image.
	ImageData ()
Private Attributes
int	m_bytesPerPixel
int	m_size
int	m_headerSize
int	m_numDataLines
byte *	m_header
byte *	m_clippedImage
bool	m_clippedImageAllocated
int	m_startx
int	m_starty
int	m_sizex
int	m_sizey
Data Structures
class	ImageHeader
	This header is stored as the first thing in our buffer. More...
class	LineHeader
	Describes a row of image data. More...

Detailed Description

Definition at line 13 of file ImageData.h.

Constructor & Destructor Documentation

ImageData::ImageData ( int bytesPerPixel )

Definition at line 3 of file ImageData.C.

References m_bytesPerPixel, m_clippedImage, m_clippedImageAllocated, m_header, m_headerSize, m_numDataLines, m_size, m_sizex, m_sizey, m_startx, and m_starty.

ImageData::~ImageData ( )

Definition at line 18 of file ImageData.C.

References m_clippedImage, m_clippedImageAllocated, and m_header.

ImageData::ImageData ( ) [inline, private]

Definition at line 298 of file ImageData.h.

Member Function Documentation

int ImageData::GetBuffSize	(	const int &	startx,
		const int &	starty,
		const int &	sizex,
		const int &	sizey,
		const int	req_wid,
		const int	req_ht,
		const byte *	src
	)

Definition at line 67 of file ImageData.C.

References AddImage(), and GetClippedImage().

Referenced by liveVizPollDeposit().

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int ImageData::GetImageDataSize ( void ) [inline]

Definition at line 37 of file ImageData.h.

References m_size.

int ImageData::AddImage	(	const int	req_wid,
		byte *	dest = `NULL`
	)

Definition at line 186 of file ImageData.C.

References CopyPixel(), IsPixelOn(), m_bytesPerPixel, m_clippedImage, ImageData::ImageHeader::m_lines, m_numDataLines, ImageData::LineHeader::m_pos, m_size, ImageData::LineHeader::m_size, m_sizex, m_sizey, m_startx, m_starty, SetSize(), src, and x.

Referenced by GetBuffSize(), and liveVizPollDeposit().

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void ImageData::WriteHeader	(	ImageDataCombine_t	combine,
		const liveVizRequest *	req,
		byte *	dest
	)

Definition at line 31 of file ImageData.C.

References ImageData::ImageHeader::m_combine, and ImageData::ImageHeader::m_req.

Referenced by liveVizPollDeposit().

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void ImageData::ReadHeader	(	ImageDataCombine_t &	combine,
		liveVizRequest *	req,
		const byte *	src
	)

Definition at line 43 of file ImageData.C.

References ImageData::ImageHeader::m_combine, and ImageData::ImageHeader::m_req.

int ImageData::CombineImageDataSize	(	int	nMsg,
		CkReductionMsg **	msgs
	)

"buff" consists of two totally different things: 1.) It's got a compressed image header and lineheaders for the merged image. 2.) It's got the "pos" and "size" arrays used for sorting.

Definition at line 478 of file ImageData.C.

References getHeader(), GetNonNullListIndex(), int, m_header, ImageData::LineHeader::m_pos, m_size, ImageData::LineHeader::m_size, NumNonNullLists(), SetSize(), and size.

Referenced by imagePollCombineReducer().

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void ImageData::CombineImageData	(	int	nMsg,
		CkReductionMsg **	msgs,
		byte *	dest
	)

Definition at line 672 of file ImageData.C.

References CopyImageData(), m_header, m_headerSize, m_numDataLines, and m_size.

Referenced by imagePollCombineReducer().

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byte * ImageData::ConstructImage	(	byte *	src,
		liveVizRequest &	req
	)

Definition at line 783 of file ImageData.C.

References liveVizRequest::ht, ImageData::ImageHeader::m_lines, ImageData::LineHeader::m_pos, ImageData::ImageHeader::m_req, ImageData::LineHeader::m_size, and liveVizRequest::wid.

int ImageData::CopyImageData	(	byte *	dest,
		int	n,
		const CkReductionMsg *	msg,
		ImageDataCombine_t	reducer
	)			`[private]`

Definition at line 712 of file ImageData.C.

References CkReductionMsg::getData(), ImageData::LineHeader::m_pos, ImageData::LineHeader::m_size, max_float_image_data, max_image_data, maxArrayT(), sum_float_image_data, sum_image_data, sumArrayClipT(), and sumArrayT().

Referenced by CombineImageData().

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byte * ImageData::GetClippedImage	(	const byte *	img,
		const int &	startx,
		const int &	starty,
		const int &	sizex,
		const int &	sizey,
		const int	req_wid,
		const int	req_ht
	)			`[private]`