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().

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, and SetSize().

Referenced by GetBuffSize(), and liveVizPollDeposit().

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().

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(), m_header, ImageData::LineHeader::m_pos, m_size, ImageData::LineHeader::m_size, NumNonNullLists(), SetSize(), and size.

Referenced by imagePollCombineReducer().

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().

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 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().

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]`