crops the image stage to a smaller width and height More...

#include <lti_cropFilter.h>

Inheritance diagram for LTICropFilter:

Public Member Functions
LT_STATUS	initialize (LTIImageStage *srcImage, lt_int32 xOffset, lt_int32 yOffset, lt_int32 newWidth, lt_int32 newHeight)
	initializer More...

Public Member Functions inherited from LTIEmbeddedImage
LT_STATUS	initialize (LTIImageStage srcImage, lt_uint32 newWidth, lt_uint32 newHeight, double newXPos, double newYPos, const LTIPixel backgroundPixel, const LTIPixel *nodataPixel, AlphaMode alphaMode=DoNothing)
	initialize More...

LT_STATUS	getDimsAtMag (double mag, lt_uint32 &width, lt_uint32 &height) const
	get image width and height at given magnification More...

lt_int64	getEncodingCost (const LTIScene &scene) const
	get the cost to encode this scene More...

bool	getReaderScene (const LTIScene &decodeScene, LTIScene &readerScene) const
	get the underlying scene to be used More...

LT_STATUS	setFillingBackground (bool fill)
	control whether or not the background of the new "outer" image should be filled More...

bool	getFillingBackground (void) const
	query whether or not the background of the new "outer" image should be filled More...

LT_STATUS	setFillMethod (LTIPixelFillMethod method, double fuzzyThreshold)
	Set the fill method which controls how noData pixels are matched. More...

LTIPixelFillMethod	getFillMethod (void) const
	Get the fill method. More...

double	getFuzzyThreshold (void) const

virtual lt_uint32	getModifications (const LTIScene &scene) const
	get the modification bitfield for this image More...

lt_int32	getChildXPosAtMag (double mag) const

lt_int32	getChildYPosAtMag (double mag) const

bool	getChildScene (const LTIScene &parentScene, LTIScene &childScene) const

Public Member Functions inherited from LTIOverrideDimensions< LTIOverridePixelProps< LTIOverrideBackgroundPixel< LTIOverrideGeoCoord< LTIImageFilter > > > >
lt_uint32	getWidth () const

lt_uint32	getHeight () const

Public Member Functions inherited from LTIOverridePixelProps< LTIOverrideBackgroundPixel< LTIOverrideGeoCoord< LTIImageFilter > > >
const LTIPixel &	getPixelProps () const

const LTIPixel &	getMinDynamicRange () const

const LTIPixel &	getMaxDynamicRange () const

LT_STATUS	overridePixelBPS (lt_uint8 bps)

LT_STATUS	overrideDynamicRange (const LTIPixel &drmin, const LTIPixel &drmax)

Public Member Functions inherited from LTIOverrideBackgroundPixel< LTIOverrideGeoCoord< LTIImageFilter > >
const LTIPixel *	getBackgroundPixel () const

const LTIPixel *	getNoDataPixel () const

LT_STATUS	overrideBackgroundPixel (const LTIPixel *backgroundPixel)

LT_STATUS	overrideNoDataPixel (const LTIPixel *nodataPixel)

Public Member Functions inherited from LTIOverrideGeoCoord< LTIImageFilter >
const LTIGeoCoord &	getGeoCoord () const

bool	isGeoCoordImplicit () const

LT_STATUS	overrideGeoCoord (const LTIGeoCoord &geoCoord)

Public Member Functions inherited from LTIImageFilter
LT_STATUS	getDimsAtMag (double mag, lt_uint32 &width, lt_uint32 &height) const
	get image width and height at given magnification More...

const LTIPixelLookupTable *	getPixelLookupTable () const
	get the color lookup table, if any More...

const LTIMetadataDatabase &	getMetadata () const
	get the metadata associated with the image More...

double	getMinMagnification () const
	get the minimum magnification More...

double	getMaxMagnification () const
	get the maximum magnification More...

bool	isSelective () const
	check if image supports "random access" decoding More...

lt_uint32	getModifications (const LTIScene &scene) const
	get the modification bitfield for this image More...

LT_STATUS	getMetadataBlob (const char type, LTIOStreamInf &stream) const
	extract the metadata associated with the image of the given type More...

void	setProgressDelegate (LTIProgressDelegate *delegate)
	set progress delegate More...

LTIProgressDelegate *	getProgressDelegate () const
	get progress delegate More...

void	setInterruptDelegate (LTIInterruptDelegate *delegate)
	set interrupt delegate More...

LTIInterruptDelegate *	getInterruptDelegate () const
	get interrupt delegate More...

lt_uint32	getStripHeight () const
	get strip height More...

LT_STATUS	setStripHeight (lt_uint32 stripHeight)
	set the strip height More...

lt_int64	getEncodingCost (const LTIScene &scene) const
	get the cost to encode this scene More...

bool	getReaderScene (const LTIScene &decodeScene, LTIScene &readerScene) const
	get the underlying scene to be used More...

LT_STATUS	overridePixelLookupTable (const LTIPixelLookupTable *pixelLookupTable)
	override the CLUT of the image More...

LT_STATUS	overrideMetadata (const LTIMetadataDatabase &metadata)
	override the metadata of the image More...

LTIMaskSource *	getMask () const

bool	getPipelineInfo (LTIPipelineInfo info) const

LTIImageStage *	getPreviousStage (void) const

Public Member Functions inherited from LTIImageStage
LT_STATUS	read (const LTIScene &scene, LTISceneBuffer &buffer)
	read (decode) a scene from the image More...

virtual LT_STATUS	readBegin (const LTIPixel &pixelProps, const LTIScene &fullScene)
	start strip-based read More...

virtual LT_STATUS	readStrip (LTISceneBuffer &buffer, const LTIScene &stripScene)
	read a strip from the image More...

virtual LT_STATUS	readEnd ()
	finish strip-based read More...

lt_uint32	getNumStrips () const
	get number of strips in scene More...

LTIScene	getStripScene (lt_uint32 stripNumber) const
	get a strip for current scene More...

Public Member Functions inherited from LTIImage
lt_uint16	getNumBands () const
	get number of bands More...

lt_uint16	getNumBandsWithoutAlpha () const
	get number of bands without alpha More...

LTIColorSpace	getColorSpace () const
	get colorspace More...

LTIDataType	getDataType () const
	get data type More...

bool	isNaturalDynamicRange () const
	check if the range is "complete" or not More...

lt_int64	getNominalImageSizeWithoutAlpha () const
	get the nominal size of the image, not considering the alpha band More...

lt_int64	getNominalImageSizeWithAlpha () const
	get the nominal size of the image, including the alpha band More...

void	getGeoPoint (LTIPosition position, double &x, double &y) const
	get position of a named point More...

LTIPixel *	createBackgroundPixel () const
	return new background pixel More...

Public Member Functions inherited from LTIReferenceCountedObject
virtual void	retain (void) const
	increment reference counter More...

virtual void	release (void) const
	decrement the reference counter and delete the object when the counter is zero More...

Static Public Member Functions
static LTICropFilter *	create (void)

Static Public Member Functions inherited from LTIEmbeddedImage
static LTIEmbeddedImage *	create (void)

static LT_STATUS	push (LTIImageStage &pipeline, LTIScene &scene, const LTIPixel backgroundPixel=NULL)

Protected Member Functions
	LTICropFilter (void)

virtual	~ LTICropFilter (void)

Protected Member Functions inherited from LTIEmbeddedImage
	LTIEmbeddedImage (void)

virtual	~ LTIEmbeddedImage (void)

LT_STATUS	decodeBegin (const LTIPixel &pixelProps, const LTIScene &fullScene)
	start strip-based read More...

LT_STATUS	decodeStrip (LTISceneBuffer &stripBuffer, const LTIScene &stripScene)
	read a strip from the image More...

LT_STATUS	decodeEnd (void)
	finish strip-based read More...

Protected Member Functions inherited from LTIImageFilter
	LTIImageFilter (void)

virtual	~ LTIImageFilter (void)

LT_STATUS	decodeBegin (const LTIPixel &pixelProps, const LTIScene &fullScene)
	start strip-based read More...

LT_STATUS	decodeStrip (LTISceneBuffer &stripBuffer, const LTIScene &stripScene)
	read a strip from the image More...

LT_STATUS	decodeEnd (void)
	finish strip-based read More...

LT_STATUS	init (LTIImageStage *previousStage)

void	releasePreviousStageNow (void)

void	changePreviousStage (LTIImageStage *newPref)

Protected Member Functions inherited from LTIImageStage
	LTIImageStage (void)

virtual	~ LTIImageStage (void)

LT_STATUS	fillBackground (const LTIScene &scene, LTISceneBuffer &buffer)
	fill the background of the scene More...

LT_STATUS	fillBackground (const LTIScene &scene, LTISceneBuffer &buffer, const LTIPixel &color)
	fill the scene to given pixel More...

bool	isBandSelected (const LTIPixel &pixelProps) const

const LTIScene &	getFullScene () const
	get full scene More...

Protected Member Functions inherited from LTIImage
	LTIImage (void)

virtual	~ LTIImage (void)

Protected Member Functions inherited from LTIReferenceCountedObject
	LTIReferenceCountedObject (void)

virtual	~ LTIReferenceCountedObject (void)

Protected Member Functions inherited from LTIOverrideGeoCoordData
	LTIOverrideGeoCoordData ()

	~LTIOverrideGeoCoordData ()

LT_STATUS	setGeoCoord (const LTIGeoCoord &geoCoord)
	set the geographic coordinates of the image More...

LT_STATUS	setDefaultGeoCoord (const LTIImage &image)
	set the geographic coordinates of the image More...

Protected Member Functions inherited from LTIOverrideBackgroundPixelData
	LTIOverrideBackgroundPixelData ()

	~LTIOverrideBackgroundPixelData ()

LT_STATUS	setBackgroundPixel (const LTIPixel *backgroundPixel)
	set the background color of the image More...

LT_STATUS	setNoDataPixel (const LTIPixel *nodataPixel)
	set the "no data" (transparency) color of the image More...

Protected Member Functions inherited from LTIOverridePixelPropsData
	LTIOverridePixelPropsData ()

	~LTIOverridePixelPropsData ()

LT_STATUS	setPixelProps (const LTIPixel &pixelProps)
	set pixel properties of the image More...

LT_STATUS	setPixelBPS (lt_uint8 bps)

LT_STATUS	setDynamicRange (const LTIPixel &drmin, const LTIPixel &drmax)
	set the dynamic range of the image More...

LT_STATUS	setDefaultDynamicRange (void)
	set the dynamic range of the image More...

Protected Member Functions inherited from LTIOverrideDimensionsData
	LTIOverrideDimensionsData ()

LT_STATUS	setDimensions (lt_uint32 width, lt_uint32 height)
	set width and height of the image More...

Additional Inherited Members
Public Types inherited from LTIEmbeddedImage
enum	AlphaMode { DoNothing, FromMerge, FromSourceRectangle }

Protected Attributes inherited from LTIOverrideGeoCoordData
LTIGeoCoord *	m_geoCoord

bool	m_geoCoordImplicit

Protected Attributes inherited from LTIOverrideBackgroundPixelData
LTIPixel *	m_backgroundPixel

LTIPixel *	m_nodataPixel

Protected Attributes inherited from LTIOverridePixelPropsData
LTIPixel *	m_pixelProps

LTIPixel *	m_drminPixel

LTIPixel *	m_drmaxPixel

Protected Attributes inherited from LTIOverrideDimensionsData
lt_uint32	m_width

lt_uint32	m_height

Detailed Description

This class crops the image stage to a smaller width and height.

Examples:: Pipeline.cpp.

Definition at line 27 of file lti_cropFilter.h.

Constructor & Destructor Documentation

§ LTICropFilter()

LTICropFilter::LTICropFilter ( void )

protected

§ ~ LTICropFilter()

virtual LTICropFilter::~ LTICropFilter ( void )

protectedvirtual

Member Function Documentation

§ create()

static LTICropFilter* LTICropFilter::create ( void )

static

Examples:: Pipeline.cpp.

§ initialize()

LT_STATUS LTICropFilter::initialize	(	LTIImageStage *	srcImage,
		lt_int32	xOffset,
		lt_int32	yOffset,
		lt_int32	newWidth,
		lt_int32	newHeight
	)

Creates an image stage which corresponds to a cropped subsection of the input image, according to the given offset, width, and height.

Parameters

srcImage	the base image
xOffset	x-position of the origin of the new image (specified relative to the input image)
yOffset	y-position of the origin of the new image (specified relative to the input image)
newWidth	width of the new image
newHeight	height of the new image

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

lti_cropFilter.h

Public Member Functions

Static Public Member Functions

Protected Member Functions