casa::GLPixelCanvasColorTable Class Reference

#include <GLPixelCanvasColorTable.h>

Inheritance diagram for casa::GLPixelCanvasColorTable:

Public Types
enum	FILLMODE {   FILLRGB,   FILLRBG,   FILLGRB,   FILLGBR,   FILLBRG,   FILLBGR }

Public Member Functions
	GLPixelCanvasColorTable ()
	~GLPixelCanvasColorTable ()
	GLPixelCanvasColorTable (::XDisplay *dpy, Display::ColorModel mapType=Display::RGB, casacore::Float percent=90.0, XVisualInfo *visInfo=NULL)
casacore::Bool	allocCells (casacore::uInt nCells)
	allocate cells for colormaps More...
casacore::Bool	deallocCells ()
	deallocate cells for colormaps More...
casacore::Bool	allocColorCube ()
	Allocate the best color cube given the map. More...
casacore::Bool	allocColorCube (casacore::uInt n1, casacore::uInt n2, casacore::uInt n3)
	Allocate a color cube of a specific size. More...
casacore::Bool	allocColorCubeMinMax (casacore::uInt n1min, casacore::uInt n2min, casacore::uInt n3min, casacore::uInt n1max, casacore::uInt n2max, casacore::uInt n3max)
	Allocate a color cube within the ranges of sizes. More...
void	copyColorCube (const GLPixelCanvasColorTable &mapRef)
	Copy color cube info from the mapRef. More...
void	fillColorCubeRGB ()
	Fill a color cube with an RGB spectrum. More...
void	fillColorCubeHSV ()
	Fill a color cube with an HSV spectrum. More...
void	mapToColor3 (casacore::Array< casacore::uLong > &out, const casacore::Array< casacore::Float > &chan1in, const casacore::Array< casacore::Float > &chan2in, const casacore::Array< casacore::Float > &chan3in)
	Merge separate channel data into an output image. More...
void	mapToColor3 (casacore::Array< casacore::uLong > &out, const casacore::Array< casacore::Double > &chan1in, const casacore::Array< casacore::Double > &chan2in, const casacore::Array< casacore::Double > &chan3in)
void	mapToColor3 (casacore::Array< casacore::uLong > &out, const casacore::Array< casacore::uShort > &chan1in, const casacore::Array< casacore::uShort > &chan2in, const casacore::Array< casacore::uShort > &chan3in)
	This one maps values between 0 and the integer maximum value for each channel into a single output image suitable for PixelCanvas::drawImage(). More...
void	mapToColor3 (casacore::Array< casacore::uLong > &out, const casacore::Array< casacore::uInt > &chan1in, const casacore::Array< casacore::uInt > &chan2in, const casacore::Array< casacore::uInt > &chan3in)
casacore::Bool	colorSpaceMap (Display::ColorModel, const casacore::Array< casacore::Float > &chan1in, const casacore::Array< casacore::Float > &chan2in, const casacore::Array< casacore::Float > &chan3in, casacore::Array< casacore::Float > &chan1out, casacore::Array< casacore::Float > &chan2out, casacore::Array< casacore::Float > &chan3out)
	(Multichannel Color) Transform arrays from the passed color model into the colormodel of the XPCCT. More...
void	mapToColor (const Colormap *map, casacore::Array< casacore::uChar > &outArray, const casacore::Array< casacore::uChar > &inArray, casacore::Bool rangeCheck=true) const
	map [0,N-1] into colorpixels, where N is the current colormap size The values are returned as unsigned integers in their respective array. More...
void	mapToColor (const Colormap *map, casacore::Array< casacore::uShort > &outArray, const casacore::Array< casacore::uShort > &inArray, casacore::Bool rangeCheck=true) const
void	mapToColor (const Colormap *map, casacore::Array< casacore::uInt > &outArray, const casacore::Array< casacore::uInt > &inArray, casacore::Bool rangeCheck=true) const
void	mapToColor (const Colormap *map, casacore::Array< casacore::uLong > &outArray, const casacore::Array< casacore::uLong > &inArray, casacore::Bool rangeCheck=true) const
void	mapToColor (const Colormap *map, casacore::Array< casacore::uChar > &inOutArray, casacore::Bool rangeCheck=true) const
	same as above except the matrix is operated on in place. More...
void	mapToColor (const Colormap *map, casacore::Array< casacore::uShort > &inOutArray, casacore::Bool rangeCheck=true) const
void	mapToColor (const Colormap *map, casacore::Array< casacore::uInt > &inOutArray, casacore::Bool rangeCheck=true) const
void	mapToColor (const Colormap *map, casacore::Array< casacore::uLong > &inOutArray, casacore::Bool rangeCheck=true) const
virtual casacore::Bool	staticSize ()
	Is the hardware colormap resizeable? ie. More...
casacore::Bool	resize (casacore::uInt newSize)
	resize the map if allowed. More...
casacore::Bool	resize (casacore::uInt nReds, casacore::uInt nGreens, casacore::uInt nBlues)
casacore::Bool	installRGBColors (const casacore::Vector< casacore::Float > &r, const casacore::Vector< casacore::Float > &g, const casacore::Vector< casacore::Float > &b, casacore::uInt offset=0)
	Install colors into the color table. More...
casacore::uInt	nColors () const
	Return the total number of RW colors currently in use. More...
virtual void	nColors (casacore::uInt &n1, casacore::uInt &n2, casacore::uInt &n3) const
	Return the number of colors per component in the map. More...
casacore::uInt	depth () const
	Return the depth in bits of the colors. More...
casacore::uInt	nSpareColors () const
	Return the number of colors that are still unallocated. More...
::XDisplay *	display () const
	Return pointer to display that is being used. More...
Screen *	screen () const
	Return pointer to screen that is being used. More...
Visual *	visual () const
	Return pointer to visual that is being used. More...
XVisualInfo *	visualInfo () const
	Return pointer to visual info that is being used. More...
XColormap	xcmap () const
	Return XID of X "virtual colormap" being used. More...
casacore::Bool	indexMode () const
	Return true if the table is in colorIndex mode. More...
casacore::Bool	rgbMode () const
	Return true if the table is in RGB mode. More...
casacore::Bool	hsvMode () const
	Return true if the table is in HSV mode. More...
casacore::Bool	rigid () const
	Return true if the colortable can be resized. More...
Display::ColorModel	colorModel () const
	Return the color model for multichannel color. More...
casacore::Bool	readOnly () const
casacore::Bool	decomposedIndex () const
casacore::uInt	QueryColorsAvailable (const casacore::Bool contig) const
	Return the number of currently unallocated cells that can be allocated RW. More...
virtual casacore::uInt	QueryHWColorsAvailable (const casacore::Bool contig) const
casacore::Bool	virtualToPhysical (const unsigned long vindex, unsigned long &pindex) const
	Convert a virtual index to a physical pixel. More...
void	storeColor (const casacore::uInt index, const float r, const float g, const float b)
	Store an RGB value at index. More...
void	pixelToComponents (const casacore::uLong pixel, casacore::Float &r, casacore::Float &g, casacore::Float &b)
	Convert a pixel to color components. More...
void	indexToRGB (const casacore::uInt index, float &r, float &g, float &b)
	Returns the color values for the index. More...
Public Member Functions inherited from casa::PixelCanvasColorTable
virtual casacore::Bool	installRGBColors (const casacore::Vector< casacore::Float > &r, const casacore::Vector< casacore::Float > &g, const casacore::Vector< casacore::Float > &b, const casacore::Vector< casacore::Float > &alpha, casacore::uInt offset=0)=0
	Install colors into the color table. More...
virtual	~PixelCanvasColorTable ()
	Virtual destructor. More...
void	addResizeCallback (PixelCanvasColorTableResizeCB cb, void *clientData)
	Add and remove resize callbacks PixelCanvasColorTableResizeCB is of type: void (*)(class PixelCanvasColorTable * pcctbl, casacore::uInt newSize, void * clientData, Display::RefreshReason reason) More...
void	removeResizeCallback (PixelCanvasColorTableResizeCB cb, void *clientData)
void	doResizeCallbacks (const Display::RefreshReason &reason=Display::ColorTableChange)
	casacore::Function that issues resize callbacks More...
void	registerColormap (Colormap *cmap, casacore::Float weight=1.0)
	Register a colormap to be managed by the pixel canvas' color table. More...
void	registerColormap (Colormap *cmap, Colormap *cmapToReplace)
	Register the cmap Colormap on the PixelCanvasColorTable, replacing the cmapToReplace Colormap if possible. More...
void	unregisterColormap (Colormap *cmap)
	Unregister a data colormap reference previously added. More...
casacore::uInt	getColormapSize (const Colormap *cmap) const
	Return the allocation size of some Colormap. More...
virtual void	mapToColorRGB (const Colormap *map, casacore::Array< casacore::uInt > &outArray, const casacore::Array< casacore::uInt > &inArrayRed, const casacore::Array< casacore::uInt > &inArrayGreen, const casacore::Array< casacore::uInt > &inArrayBlue) const
casacore::Bool	member (const Colormap *cmap) const
	Return whether or not a data colormap is used by this pixel canvas. More...
void	setDefaultColormap (const Colormap *map)
	Return the default map. More...
ColormapManager &	colormapManager ()
	Return the colormapManager used by this PCCT. More...
void	registerPixelCanvas (const class PixelCanvas *pc)
void	doRefreshCallbacks ()
*Colormap *	defaultColormap ()

Static Public Member Functions
static void	colorFillRGB (casacore::Vector< casacore::Float > &r, casacore::Vector< casacore::Float > &g, casacore::Vector< casacore::Float > &b, casacore::uInt nr, casacore::uInt ng, casacore::uInt nb, FILLMODE mode=FILLRGB)
static void	colorFillRGB (casacore::Vector< casacore::Float > &r, casacore::Vector< casacore::Float > &g, casacore::Vector< casacore::Float > &b, casacore::uInt ncolors, FILLMODE mode=FILLRGB)
static XVisualInfo *	getVisualInfo (::XDisplay *dpy, const Display::ColorModel colormodel)
	Return a GL capable visual that supports the colormodel or NULL. More...

Private Member Functions
casacore::Bool	isPow2 (casacore::uInt n, casacore::uInt &log2n)
	Return the log power 2 of n and return true if n is a power of two. More...
void	setupColorCube (casacore::uLong n1, casacore::uLong n2, casacore::uLong n3, casacore::uLong n1m, casacore::uLong n2m, casacore::uLong n3m)
	(Multi-Channel) More...
void	setupStandardMapping (const XStandardColormap *mapInfo)
	(Multi-Channel) More...
casacore::Bool	initVisual (XVisualInfo *vi=NULL)
void	checkVisual ()
virtual void	storeHWColor (const casacore::uLong pindex, const float r, const float g, const float b)
	Write an RGB value to hardware colormap at physical index. More...
void	HSV2RGB (const casacore::uLong H, const casacore::uLong S, const casacore::uLong V, casacore::uLong &R, casacore::uLong &G, casacore::uLong &B)
	Convert from integer HSV components to RGB pixel components. More...
casacore::uInt	HSV2Index (float h, float s, float v)
Valid only for multi channel color	modes (RGB, HSV, etc)) If true

Private Attributes
::XDisplay *	display_
	A pointer to the XDisplay. More...
Screen *	screen_
	A pointer the the X Screen. More...
Visual *	visual_
	A pointer to the X Visual. More...
XVisualInfo *	visualInfo_
XColormap	xcmap_
	A pointer to the XColormap (X Hardware colormap) More...
casacore::uInt	depth_
	(Valid Always) number of bits of depth More...
casacore::uInt	nColors_
	(Valid Always) number of total colors available for RW. More...
casacore::uLong *	colors_
	(Valid only when implementation uses a PseudoColor or a StaticColor visual). More...
casacore::uShort	vcmapLength_
GLVColorTableEntry *	vcmap_
	(& HW map if it exists) More...
casacore::Bool	rigid_
	(Valid Always) true if the table may not be resized, such as when a standard XColormap is used. More...
true if the colormap is read only *casacore::Bool	readOnly_
casacore::Bool	decomposedIndex_
	true if trueColor or DirectColor. More...
unsigned short	red_shift_
	Shift counts, masks, and max values used to build pixels for decomposed index colormaps. More...
unsigned short	green_shift_
unsigned short	blue_shift_
unsigned short	red_max_
unsigned short	green_max_
unsigned short	blue_max_
unsigned long	red_mask_
unsigned long	green_mask_
unsigned long	blue_mask_
Valid only for multi channel color then the color cube s sides are powers of	two
Display::ColorModel	colorModel_
	(Valid Always) The colormodel that this GLPixelCanvasColorTable has been configured as. More...
casacore::uLong	baseColor_
	(Valid only for multi-channel color modes (RGB, HSV, etc)) Represents the first cell used for the color cube. More...
casacore::uInt	n1_
	(Valid only for multi-channel color modes (RGB, HSV, etc)) Specifies the color resolution for each side of the color cube. More...
casacore::uInt	n2_
casacore::uInt	n3_
casacore::uInt	n1Mult_
casacore::uInt	n2Mult_
casacore::uInt	n3Mult_
casacore::uInt	n1Shift_
	(Valid only for multi-channel color modes (RGB, HSV, etc)) and when pow2Mapping is true. More...
casacore::uInt	n2Shift_
casacore::uInt	n3Shift_

Friends
ostream &	operator<< (ostream &os, const GLPixelCanvasColorTable &pcc)
	print details of class to ostream More...

Additional Inherited Members
Protected Member Functions inherited from casa::PixelCanvasColorTable
casacore::uInt	getColormapOffset (const Colormap *map) const
	return the offset of a particular colormap. More...
	PixelCanvasColorTable ()
	Abstract base class. More...

Detailed Description

Definition at line 115 of file GLPixelCanvasColorTable.h.

Member Enumeration Documentation

enum casa::GLPixelCanvasColorTable::FILLMODE

Enumerator
FILLRGB
FILLRBG
FILLGRB
FILLGBR
FILLBRG
FILLBGR

Definition at line 146 of file GLPixelCanvasColorTable.h.

Constructor & Destructor Documentation

casa::GLPixelCanvasColorTable::GLPixelCanvasColorTable

(

)

casa::GLPixelCanvasColorTable::~GLPixelCanvasColorTable

(

)

casa::GLPixelCanvasColorTable::GLPixelCanvasColorTable	(	::XDisplay *	dpy,
		Display::ColorModel	mapType = Display::RGB,
		casacore::Float	percent = 90.0,
		XVisualInfo *	visInfo = NULL
	)

Member Function Documentation

casacore::Bool casa::GLPixelCanvasColorTable::allocCells

(

casacore::uInt

nCells

)

allocate cells for colormaps

casacore::Bool casa::GLPixelCanvasColorTable::allocColorCube

(

)

Allocate the best color cube given the map.

casacore::Bool casa::GLPixelCanvasColorTable::allocColorCube	(	casacore::uInt	n1,
		casacore::uInt	n2,
		casacore::uInt	n3
	)

Allocate a color cube of a specific size.

casacore::Bool casa::GLPixelCanvasColorTable::allocColorCubeMinMax	(	casacore::uInt	n1min,
		casacore::uInt	n2min,
		casacore::uInt	n3min,
		casacore::uInt	n1max,
		casacore::uInt	n2max,
		casacore::uInt	n3max
	)

Allocate a color cube within the ranges of sizes.

void casa::GLPixelCanvasColorTable::checkVisual ( )

private

static void casa::GLPixelCanvasColorTable::colorFillRGB ( casacore::Vector< casacore::Float > &  r, casacore::Vector< casacore::Float > &  g, casacore::Vector< casacore::Float > &  b, casacore::uInt  nr, casacore::uInt  ng, casacore::uInt  nb, FILLMODE  mode = FILLRGB  )

static

static void casa::GLPixelCanvasColorTable::colorFillRGB ( casacore::Vector< casacore::Float > &  r, casacore::Vector< casacore::Float > &  g, casacore::Vector< casacore::Float > &  b, casacore::uInt  ncolors, FILLMODE  mode = FILLRGB  )

static

Display::ColorModel casa::GLPixelCanvasColorTable::colorModel ( ) const

inlinevirtual

Return the color model for multichannel color.

Implements casa::PixelCanvasColorTable.

Definition at line 296 of file GLPixelCanvasColorTable.h.

References colorModel_.

casacore::Bool casa::GLPixelCanvasColorTable::colorSpaceMap ( Display::ColorModel  , const casacore::Array< casacore::Float > &  chan1in, const casacore::Array< casacore::Float > &  chan2in, const casacore::Array< casacore::Float > &  chan3in, casacore::Array< casacore::Float > &  chan1out, casacore::Array< casacore::Float > &  chan2out, casacore::Array< casacore::Float > &  chan3out  )

virtual

(Multichannel Color) Transform arrays from the passed color model into the colormodel of the XPCCT.

Does nothing if colorModel is Display::Index. It is assumed that input arrays are in the range of [0,1]

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::copyColorCube

(

const GLPixelCanvasColorTable &

mapRef

)

Copy color cube info from the mapRef.

casacore::Bool casa::GLPixelCanvasColorTable::deallocCells

(

)

deallocate cells for colormaps

casacore::Bool casa::GLPixelCanvasColorTable::decomposedIndex ( ) const

inline

Definition at line 302 of file GLPixelCanvasColorTable.h.

References decomposedIndex_.

casacore::uInt casa::GLPixelCanvasColorTable::depth ( ) const

virtual

Return the depth in bits of the colors.

Implements casa::PixelCanvasColorTable.

::XDisplay* casa::GLPixelCanvasColorTable::display

(

)

const

Return pointer to display that is being used.

void casa::GLPixelCanvasColorTable::fillColorCubeHSV

(

)

Fill a color cube with an HSV spectrum.

void casa::GLPixelCanvasColorTable::fillColorCubeRGB

(

)

Fill a color cube with an RGB spectrum.

static XVisualInfo* casa::GLPixelCanvasColorTable::getVisualInfo ( ::XDisplay *  dpy, const Display::ColorModel  colormodel  )

static

Return a GL capable visual that supports the colormodel or NULL.

casacore::uInt casa::GLPixelCanvasColorTable::HSV2Index ( float  h, float  s, float  v  )

private

void casa::GLPixelCanvasColorTable::HSV2RGB ( const casacore::uLong  H, const casacore::uLong  S, const casacore::uLong  V, casacore::uLong &  R, casacore::uLong &  G, casacore::uLong &  B  )

private

Convert from integer HSV components to RGB pixel components.

casacore::Bool casa::GLPixelCanvasColorTable::hsvMode ( ) const

inline

Return true if the table is in HSV mode.

Definition at line 286 of file GLPixelCanvasColorTable.h.

References colorModel_, and casa::Display::HSV.

casacore::Bool casa::GLPixelCanvasColorTable::indexMode ( ) const

inline

Return true if the table is in colorIndex mode.

Definition at line 278 of file GLPixelCanvasColorTable.h.

References colorModel_, and casa::Display::Index.

void casa::GLPixelCanvasColorTable::indexToRGB	(	const casacore::uInt	index,
		float &	r,
		float &	g,
		float &	b
	)

Returns the color values for the index.

(Inverse of installRGBColors()).

casacore::Bool casa::GLPixelCanvasColorTable::initVisual ( XVisualInfo *  vi = NULL )

private

casacore::Bool casa::GLPixelCanvasColorTable::installRGBColors	(	const casacore::Vector< casacore::Float > &	r,
		const casacore::Vector< casacore::Float > &	g,
		const casacore::Vector< casacore::Float > &	b,
		casacore::uInt	offset = 0
	)

Install colors into the color table.

Offset is zero-based. Colors are installed into the PixelCanvasColorTable until the Arrays run out or until the end of the colortable is reached. This only has an effect if the ColorModel is Index. Values are clamped to [0.0,1.0].

casacore::Bool casa::GLPixelCanvasColorTable::isPow2 ( casacore::uInt  n, casacore::uInt &  log2n  )

private

Return the log power 2 of n and return true if n is a power of two.

Otherwise return false.

void casa::GLPixelCanvasColorTable::mapToColor ( const Colormap *  map, casacore::Array< casacore::uChar > &  outArray, const casacore::Array< casacore::uChar > &  inArray, casacore::Bool  rangeCheck = true  ) const

virtual

map [0,N-1] into colorpixels, where N is the current colormap size The values are returned as unsigned integers in their respective array.

Warning: casacore::uChar type may not have enough bits to hold the pixel index on some high-end graphics systems

Warning: casacore::uShort type may not have enough bits to hold the pixel index on some high-end graphics systems

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor ( const Colormap *  map, casacore::Array< casacore::uShort > &  outArray, const casacore::Array< casacore::uShort > &  inArray, casacore::Bool  rangeCheck = true  ) const

virtual

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor ( const Colormap *  map, casacore::Array< casacore::uInt > &  outArray, const casacore::Array< casacore::uInt > &  inArray, casacore::Bool  rangeCheck = true  ) const

virtual

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor ( const Colormap *  map, casacore::Array< casacore::uLong > &  outArray, const casacore::Array< casacore::uLong > &  inArray, casacore::Bool  rangeCheck = true  ) const

virtual

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor ( const Colormap *  map, casacore::Array< casacore::uChar > &  inOutArray, casacore::Bool  rangeCheck = true  ) const

virtual

same as above except the matrix is operated on in place.

Only unsigned values make sense here.

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor ( const Colormap *  map, casacore::Array< casacore::uShort > &  inOutArray, casacore::Bool  rangeCheck = true  ) const

virtual

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor ( const Colormap *  map, casacore::Array< casacore::uInt > &  inOutArray, casacore::Bool  rangeCheck = true  ) const

virtual

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor ( const Colormap *  map, casacore::Array< casacore::uLong > &  inOutArray, casacore::Bool  rangeCheck = true  ) const

virtual

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor3 ( casacore::Array< casacore::uLong > &  out, const casacore::Array< casacore::Float > &  chan1in, const casacore::Array< casacore::Float > &  chan2in, const casacore::Array< casacore::Float > &  chan3in  )

virtual

Merge separate channel data into an output image.

This function maps floating values between 0 and 1 into a output image suitable for PixelCanvas::drawImage().

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor3 ( casacore::Array< casacore::uLong > &  out, const casacore::Array< casacore::Double > &  chan1in, const casacore::Array< casacore::Double > &  chan2in, const casacore::Array< casacore::Double > &  chan3in  )

virtual

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor3 ( casacore::Array< casacore::uLong > &  out, const casacore::Array< casacore::uShort > &  chan1in, const casacore::Array< casacore::uShort > &  chan2in, const casacore::Array< casacore::uShort > &  chan3in  )

virtual

This one maps values between 0 and the integer maximum value for each channel into a single output image suitable for PixelCanvas::drawImage().

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::mapToColor3 ( casacore::Array< casacore::uLong > &  out, const casacore::Array< casacore::uInt > &  chan1in, const casacore::Array< casacore::uInt > &  chan2in, const casacore::Array< casacore::uInt > &  chan3in  )

virtual

Implements casa::PixelCanvasColorTable.

Valid only for multi channel color casa::GLPixelCanvasColorTable::modes ( RGB  , HSV  , etc    )

private

casacore::uInt casa::GLPixelCanvasColorTable::nColors ( ) const

virtual

Return the total number of RW colors currently in use.

Implements casa::PixelCanvasColorTable.

virtual void casa::GLPixelCanvasColorTable::nColors ( casacore::uInt &  n1, casacore::uInt &  n2, casacore::uInt &  n3  ) const

virtual

Return the number of colors per component in the map.

Throws an exception if this is not an HSV or RGB ColorTable.

Implements casa::PixelCanvasColorTable.

casacore::uInt casa::GLPixelCanvasColorTable::nSpareColors ( ) const

virtual

Return the number of colors that are still unallocated.

Implements casa::PixelCanvasColorTable.

void casa::GLPixelCanvasColorTable::pixelToComponents	(	const casacore::uLong	pixel,
		casacore::Float &	r,
		casacore::Float &	g,
		casacore::Float &	b
	)

Convert a pixel to color components.

If decomposed index (eg TC), the pixel contains the color information. Otherwise, (eg. PseudoColor), The information is looked up in the virtual colormap.

casacore::uInt casa::GLPixelCanvasColorTable::QueryColorsAvailable

(

const casacore::Bool

contig

)

const

Return the number of currently unallocated cells that can be allocated RW.

virtual casacore::uInt casa::GLPixelCanvasColorTable::QueryHWColorsAvailable ( const casacore::Bool  contig ) const

virtual

casacore::Bool casa::GLPixelCanvasColorTable::readOnly ( ) const

inline

Definition at line 299 of file GLPixelCanvasColorTable.h.

References readOnly_.

casacore::Bool casa::GLPixelCanvasColorTable::resize ( casacore::uInt  newSize )

virtual

resize the map if allowed.

Returns true if resize was accepted

Implements casa::PixelCanvasColorTable.

casacore::Bool casa::GLPixelCanvasColorTable::resize ( casacore::uInt  nReds, casacore::uInt  nGreens, casacore::uInt  nBlues  )

virtual

Implements casa::PixelCanvasColorTable.

casacore::Bool casa::GLPixelCanvasColorTable::rgbMode ( ) const

inline

Return true if the table is in RGB mode.

Definition at line 282 of file GLPixelCanvasColorTable.h.

References colorModel_, and casa::Display::RGB.

casacore::Bool casa::GLPixelCanvasColorTable::rigid ( ) const

inline

Return true if the colortable can be resized.

Definition at line 291 of file GLPixelCanvasColorTable.h.

References rigid_.

Screen* casa::GLPixelCanvasColorTable::screen

(

)

const

Return pointer to screen that is being used.

void casa::GLPixelCanvasColorTable::setupColorCube ( casacore::uLong  n1, casacore::uLong  n2, casacore::uLong  n3, casacore::uLong  n1m, casacore::uLong  n2m, casacore::uLong  n3m  )

private

(Multi-Channel)

void casa::GLPixelCanvasColorTable::setupStandardMapping ( const XStandardColormap *  mapInfo )

private

(Multi-Channel)

virtual casacore::Bool casa::GLPixelCanvasColorTable::staticSize ( )

inlinevirtual

Is the hardware colormap resizeable? ie.

is it write-only?

Reimplemented from casa::PixelCanvasColorTable.

Definition at line 234 of file GLPixelCanvasColorTable.h.

References decomposedIndex_, and readOnly_.

void casa::GLPixelCanvasColorTable::storeColor	(	const casacore::uInt	index,
		const float	r,
		const float	g,
		const float	b
	)

Store an RGB value at index.

For RGV visuals, only the virtual colormap is updated.

virtual void casa::GLPixelCanvasColorTable::storeHWColor ( const casacore::uLong  pindex, const float  r, const float  g, const float  b  )

privatevirtual

Write an RGB value to hardware colormap at physical index.

(Called by storeColor()).

casacore::Bool casa::GLPixelCanvasColorTable::virtualToPhysical	(	const unsigned long	vindex,
		unsigned long &	pindex
	)		const

Convert a virtual index to a physical pixel.

Visual* casa::GLPixelCanvasColorTable::visual

(

)

const

Return pointer to visual that is being used.

XVisualInfo* casa::GLPixelCanvasColorTable::visualInfo ( ) const

inline

Return pointer to visual info that is being used.

Definition at line 271 of file GLPixelCanvasColorTable.h.

References visualInfo_.

XColormap casa::GLPixelCanvasColorTable::xcmap

(

)

const

Return XID of X "virtual colormap" being used.

Friends And Related Function Documentation

ostream& operator<< ( ostream &  os, const GLPixelCanvasColorTable &  pcc  )

friend

print details of class to ostream

Member Data Documentation

casacore::uLong casa::GLPixelCanvasColorTable::baseColor_

private

(Valid only for multi-channel color modes (RGB, HSV, etc)) Represents the first cell used for the color cube.

baseColor_ is zero for PseudoColor/StaticColor implementations because they use a table.

Definition at line 400 of file GLPixelCanvasColorTable.h.

unsigned long casa::GLPixelCanvasColorTable::blue_mask_

private

Definition at line 377 of file GLPixelCanvasColorTable.h.

unsigned short casa::GLPixelCanvasColorTable::blue_max_

private

Definition at line 376 of file GLPixelCanvasColorTable.h.

unsigned short casa::GLPixelCanvasColorTable::blue_shift_

private

Definition at line 375 of file GLPixelCanvasColorTable.h.

Display::ColorModel casa::GLPixelCanvasColorTable::colorModel_

private

(Valid Always) The colormodel that this GLPixelCanvasColorTable has been configured as.

Definition at line 394 of file GLPixelCanvasColorTable.h.

Referenced by colorModel(), hsvMode(), indexMode(), and rgbMode().

casacore::uLong* casa::GLPixelCanvasColorTable::colors_

private

(Valid only when implementation uses a PseudoColor or a StaticColor visual).

casacore::Table of color indices available.

Definition at line 353 of file GLPixelCanvasColorTable.h.

casacore::Bool casa::GLPixelCanvasColorTable::decomposedIndex_

private

true if trueColor or DirectColor.

Definition at line 367 of file GLPixelCanvasColorTable.h.

Referenced by decomposedIndex(), and staticSize().

casacore::uInt casa::GLPixelCanvasColorTable::depth_

private

(Valid Always) number of bits of depth

Definition at line 348 of file GLPixelCanvasColorTable.h.

::XDisplay* casa::GLPixelCanvasColorTable::display_

private

A pointer to the XDisplay.

Definition at line 338 of file GLPixelCanvasColorTable.h.

unsigned long casa::GLPixelCanvasColorTable::green_mask_

private

Definition at line 377 of file GLPixelCanvasColorTable.h.

unsigned short casa::GLPixelCanvasColorTable::green_max_

private

Definition at line 376 of file GLPixelCanvasColorTable.h.

unsigned short casa::GLPixelCanvasColorTable::green_shift_

private

Definition at line 375 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n1_

private

(Valid only for multi-channel color modes (RGB, HSV, etc)) Specifies the color resolution for each side of the color cube.

index = n1Mult_*R + n2Mult_*G + n3Mult_*B for RGB in the range of <[0,n1_-1],[0,n2_-1],[0,n3_-1]>

Definition at line 408 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n1Mult_

private

Definition at line 412 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n1Shift_

private

(Valid only for multi-channel color modes (RGB, HSV, etc)) and when pow2Mapping is true.

index = (R << n1Shift_) | (G << n2Shift_) | (B << n3Shift_) for RGB the range of <[0,n1_-1],[0,n2_-1],[0,n3_-1]>

Definition at line 422 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n2_

private

Definition at line 409 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n2Mult_

private

Definition at line 413 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n2Shift_

private

Definition at line 423 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n3_

private

Definition at line 410 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n3Mult_

private

Definition at line 414 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::n3Shift_

private

Definition at line 424 of file GLPixelCanvasColorTable.h.

casacore::uInt casa::GLPixelCanvasColorTable::nColors_

private

(Valid Always) number of total colors available for RW.

Definition at line 350 of file GLPixelCanvasColorTable.h.

true if the colormap is read only* casacore::Bool casa::GLPixelCanvasColorTable::readOnly_

private

Definition at line 365 of file GLPixelCanvasColorTable.h.

Referenced by readOnly(), and staticSize().

unsigned long casa::GLPixelCanvasColorTable::red_mask_

private

Definition at line 377 of file GLPixelCanvasColorTable.h.

unsigned short casa::GLPixelCanvasColorTable::red_max_

private

Definition at line 376 of file GLPixelCanvasColorTable.h.

unsigned short casa::GLPixelCanvasColorTable::red_shift_

private

Shift counts, masks, and max values used to build pixels for decomposed index colormaps.

Definition at line 375 of file GLPixelCanvasColorTable.h.

casacore::Bool casa::GLPixelCanvasColorTable::rigid_

private

(Valid Always) true if the table may not be resized, such as when a standard XColormap is used.

Generally this is set to true unless the visual is PseudoColor/StaticColor and the color model is Display::Index.

Definition at line 362 of file GLPixelCanvasColorTable.h.

Referenced by rigid().

Screen* casa::GLPixelCanvasColorTable::screen_

private

A pointer the the X Screen.

Definition at line 340 of file GLPixelCanvasColorTable.h.

Valid only for multi channel color then the color cube s sides are powers of casa::GLPixelCanvasColorTable::two

private

Definition at line 385 of file GLPixelCanvasColorTable.h.

GLVColorTableEntry* casa::GLPixelCanvasColorTable::vcmap_

private

(& HW map if it exists)

Definition at line 356 of file GLPixelCanvasColorTable.h.

casacore::uShort casa::GLPixelCanvasColorTable::vcmapLength_

private

Definition at line 354 of file GLPixelCanvasColorTable.h.

Visual* casa::GLPixelCanvasColorTable::visual_

private

A pointer to the X Visual.

Definition at line 342 of file GLPixelCanvasColorTable.h.

XVisualInfo* casa::GLPixelCanvasColorTable::visualInfo_

private

Definition at line 343 of file GLPixelCanvasColorTable.h.

Referenced by visualInfo().

XColormap casa::GLPixelCanvasColorTable::xcmap_

private

A pointer to the XColormap (X Hardware colormap)

Definition at line 345 of file GLPixelCanvasColorTable.h.

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

• casa/code/display/Display/GLPixelCanvasColorTable.h