OpenGL implementation of PixelCanvas. More...

#include <GLPixelCanvas.h>

Inheritance diagram for casa::GLPixelCanvas:

Classes
class	GLPCColorValue
	Holds both a color index and RGBA values. More...

Public Member Functions
	GLPixelCanvas (Widget parent, GLPixelCanvasColorTable *glpcctbl, casacore::uInt width, casacore::uInt height)
	Caution: Drawing can not take place until the window exists! More...

virtual	~GLPixelCanvas ()

virtual void	enableMotionEvents ()
	enabling/disabling of event tracking (unimplemented) More...

virtual void	disableMotionEvents ()

virtual void	enablePositionEvents ()

virtual void	disablePositionEvents ()

virtual casacore::Bool	supportsLists ()
	Does this canvas support cached display lists? The user of the canvas should always check this, because undefined behaviour can result when an attempt is made to use a list on a PixelCanvas which does not support lists. More...

virtual casacore::uInt	newList ()
	begin caching display commands - return list ID More...

virtual void	endList ()
	end caching display commands More...

virtual void	drawList (casacore::uInt list)
	(Cacheable) recall cached display commands More...

virtual void	translateAllLists (casacore::Int xt, casacore::Int yt)
	translate all lists More...

virtual void	translateList (casacore::uInt list, casacore::Int xt, casacore::Int yt)
	translate the list More...

virtual void	deleteList (casacore::uInt list)
	remove list from cache More...

virtual void	deleteLists ()
	flush all lists from the cache More...

virtual casacore::Bool	validList (casacore::uInt list)
	return true if the list exists More...

virtual casacore::Bool	setFont (const casacore::String &fontName)
	(Cacheable) Set the font to the recognizable font name. More...

virtual void	drawText (casacore::Int x, casacore::Int y, const casacore::String &text, Display::TextAlign alignment=Display::AlignCenter)
	(Cacheable) Draw text using that font aligned in some way to the position. More...

virtual void	drawImage (const casacore::Matrix< casacore::uInt > &data, casacore::Int x, casacore::Int y)
	(Cacheable) Draw an array of 2D color data as a raster image for zoom = <1,1> More...

virtual void	drawImage (const casacore::Matrix< casacore::Int > &data, casacore::Int x, casacore::Int y)

virtual void	drawImage (const casacore::Matrix< casacore::uLong > &data, casacore::Int x, casacore::Int y)

virtual void	drawImage (const casacore::Matrix< casacore::Float > &data, casacore::Int x, casacore::Int y)

virtual void	drawImage (const casacore::Matrix< casacore::Double > &data, casacore::Int x, casacore::Int y)

void	GLPixelCanvas::drawIndexedImage (const casacore::Matrix< casacore::uInt > &data, casacore::Float x=0.0, casacore::Float y=0.0, casacore::Float z=0.0, casacore::Float xscl=1.0, casacore::Float yscl=1.0)
	(Cacheable) Draw an image using color indexes. More...

virtual void	drawImage (const casacore::Int &x, const casacore::Int &y, const casacore::Matrix< casacore::uInt > &data, const casacore::Matrix< casacore::Bool > &mask, casacore::Bool opaqueMask=false)
	(Cacheable) Draw an array of 2D color data as a raster image, taking note of the `casacore::Bool` mask. More...

virtual void	drawImage (const casacore::Matrix< casacore::uInt > &data, casacore::Int x, casacore::Int y, casacore::uInt xzoom, casacore::uInt yzoom)
	(Cacheable) Draw an array of 2D color data as a raster image for any positive integer zoom More...

virtual void	drawImage (const casacore::Matrix< casacore::Int > &data, casacore::Int x, casacore::Int y, casacore::uInt xzoom, casacore::uInt yzoom)

virtual void	drawImage (const casacore::Matrix< casacore::uLong > &data, casacore::Int x, casacore::Int y, casacore::uInt xzoom, casacore::uInt yzoom)

virtual void	drawImage (const casacore::Matrix< casacore::Float > &data, casacore::Int x, casacore::Int y, casacore::uInt xzoom, casacore::uInt yzoom)

virtual void	drawImage (const casacore::Matrix< casacore::Double > &data, casacore::Int x, casacore::Int y, casacore::uInt xzoom, casacore::uInt yzoom)

virtual void	drawImage (const casacore::Matrix< casacore::uInt > &data, const casacore::Int &x, const casacore::Int &y, const Display::ColorComponent &colorcomponent)
	(Cacheable) Draw a component of a multi-channel image, storing it in buffers until flushComponentImages() is called. More...

virtual void	bufferComponent (const casacore::Matrix< casacore::uInt > &data, const casacore::Int &x, const casacore::Int &y, const Display::ColorComponent &colorcomponent)
	Fill one of the channel buffers. More...

virtual void	flushComponentBuffers ()
	(NOT CACHEABLE!) Flush the component buffers. More...

virtual void	drawPoint (casacore::Int x1, casacore::Int y1)
	(Cacheable) Draw a single point using current color More...

virtual void	drawPoint (casacore::Float x1, casacore::Float y1)

virtual void	drawPoint3D (casacore::Float x1, casacore::Float y1, casacore::Float z1)

virtual void	drawPoint (casacore::Double x1, casacore::Double y1)

virtual void	drawPoints (const casacore::Matrix< casacore::Int > &verts)
	(Cacheable) Draw N points specified as a Nx2 matrix More...

virtual void	drawPoints (const casacore::Matrix< casacore::Float > &verts)

void	drawPoints3D (const casacore::Matrix< casacore::Float > &verts)

virtual void	drawPoints (const casacore::Matrix< casacore::Double > &verts)

virtual void	drawPoints (const casacore::Vector< casacore::Int > &x1, const casacore::Vector< casacore::Int > &y1)
	(Cacheable) Draw a bunch of points using current color More...

virtual void	drawPoints (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1)

virtual void	drawPoints3D (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1, const casacore::Vector< casacore::Float > &z1)

virtual void	drawPoints (const casacore::Vector< casacore::Double > &x1, const casacore::Vector< casacore::Double > &y1)

void	setPointSize (const casacore::uInt pointsize)
	(cacheable) Change the size of the points (in pixels) drawn by drawPoints. More...

virtual void	drawLine (casacore::Int x1, casacore::Int y1, casacore::Int x2, casacore::Int y2)
	(Cacheable) Draw a single line using current color More...

virtual void	drawLine (casacore::Float x1, casacore::Float y1, casacore::Float x2, casacore::Float y2)

virtual void	drawLine3D (casacore::Float x1, casacore::Float y1, casacore::Float z1, casacore::Float x2, casacore::Float y2, casacore::Float z2)

virtual void	drawLine (casacore::Double x1, casacore::Double y1, casacore::Double x2, casacore::Double y2)

virtual void	drawLines (const casacore::Matrix< casacore::Int > &verts)
	(Cacheable) Draw N/2 lines from an Nx2 matrix More...

virtual void	drawLines (const casacore::Matrix< casacore::Float > &verts)

virtual void	drawLines3D (const casacore::Matrix< casacore::Float > &verts)

virtual void	drawLines (const casacore::Matrix< casacore::Double > &verts)

virtual void	drawLines (const casacore::Vector< casacore::Int > &x1, const casacore::Vector< casacore::Int > &y1, const casacore::Vector< casacore::Int > &x2, const casacore::Vector< casacore::Int > &y2)
	(Cacheable) Draw a bunch of unrelated lines using current color More...

virtual void	drawLines (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1, const casacore::Vector< casacore::Float > &x2, const casacore::Vector< casacore::Float > &y2)

virtual void	drawLines (const casacore::Vector< casacore::Double > &x1, const casacore::Vector< casacore::Double > &y1, const casacore::Vector< casacore::Double > &x2, const casacore::Vector< casacore::Double > &y2)

virtual void	drawPolyline (const casacore::Vector< casacore::Int > &x1, const casacore::Vector< casacore::Int > &y1)
	(Cacheable) Draw a single connected line between the given points. More...

virtual void	drawPolyline (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1)

virtual void	drawPolyline3D (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1, const casacore::Vector< casacore::Float > &z1)

virtual void	drawPolyline (const casacore::Vector< casacore::Double > &x1, const casacore::Vector< casacore::Double > &y1)

virtual void	drawPolyline (const casacore::Matrix< casacore::Int > &verts)
	(Cacheable) Draw N-1 connected lines from Nx2 matrix of vertices More...

virtual void	drawPolyline (const casacore::Matrix< casacore::Float > &verts)

virtual void	drawPolyline (const casacore::Matrix< casacore::Double > &verts)

virtual void	drawPolygon (const casacore::Vector< casacore::Int > &x1, const casacore::Vector< casacore::Int > &y1)
	(Cacheable) Draw a closed polygon More...

virtual void	drawPolygon (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1)

virtual void	drawPolygon3D (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1, const casacore::Vector< casacore::Float > &z1)

virtual void	drawPolygon (const casacore::Vector< casacore::Double > &x1, const casacore::Vector< casacore::Double > &y1)

virtual void	drawFilledPolygon (const casacore::Vector< casacore::Int > &x1, const casacore::Vector< casacore::Int > &y1)
	(Cacheable) Draw and fill a closed polygon More...

virtual void	drawFilledPolygon (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1)

virtual void	drawFilledPolygon3D (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1, const casacore::Vector< casacore::Float > &z1)

virtual void	drawFilledPolygon (const casacore::Vector< casacore::Double > &x1, const casacore::Vector< casacore::Double > &y1)

virtual void	drawPolygon (const casacore::Matrix< casacore::Int > &verts)
	(Cacheable) Draw a closed N-sided polygon from Nx2 matrix of vertices More...

virtual void	drawPolygon (const casacore::Matrix< casacore::Float > &verts)

virtual void	drawPolygon3D (const casacore::Matrix< casacore::Float > &verts)

virtual void	drawPolygon (const casacore::Matrix< casacore::Double > &verts)

virtual void	drawRectangle (casacore::Int x1, casacore::Int y1, casacore::Int x2, casacore::Int y2)
	(Cacheable) Draw a rectangle More...

virtual void	drawRectangle (casacore::Float x1, casacore::Float y1, casacore::Float x2, casacore::Float y2)

virtual void	drawRectangle (casacore::Double x1, casacore::Double y1, casacore::Double x2, casacore::Double y2)

virtual void	drawFilledRectangle (casacore::Int x1, casacore::Int y1, casacore::Int x2, casacore::Int y2)
	(Cacheable) Draw a filled rectangle More...

virtual void	drawFilledRectangle (casacore::Float x1, casacore::Float y1, casacore::Float x2, casacore::Float y2)

virtual void	drawFilledRectangle (casacore::Double x1, casacore::Double y1, casacore::Double x2, casacore::Double y2)

virtual void	drawColoredPoints (const casacore::Vector< casacore::Int > &x1, const casacore::Vector< casacore::Int > &y1, const casacore::Vector< casacore::uInt > &colors)
	(Cacheable) Draw a set of points, specifying a color per point to be drawn. More...

virtual void	drawColoredPoints (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1, const casacore::Vector< casacore::uInt > &colors)

virtual void	drawColoredPoints (const casacore::Vector< casacore::Double > &x1, const casacore::Vector< casacore::Double > &y1, const casacore::Vector< casacore::uInt > &colors)

virtual void	drawColoredPoints (const casacore::Matrix< casacore::Int > &xy, const casacore::Vector< casacore::uInt > &colors)

virtual void	drawColoredPoints (const casacore::Matrix< casacore::Float > &xy, const casacore::Vector< casacore::uInt > &colors)

virtual void	drawColoredPoints (const casacore::Matrix< casacore::Double > &xy, const casacore::Vector< casacore::uInt > &colors)

virtual void	drawColoredLines (const casacore::Vector< casacore::Int > &x1, const casacore::Vector< casacore::Int > &y1, const casacore::Vector< casacore::Int > &x2, const casacore::Vector< casacore::Int > &y2, const casacore::Vector< casacore::uInt > &colors)
	(Cacheable) Draw a set of lines, specifying a color per line to be drawn. More...

virtual void	drawColoredLines (const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1, const casacore::Vector< casacore::Float > &x2, const casacore::Vector< casacore::Float > &y2, const casacore::Vector< casacore::uInt > &colors)

virtual void	drawColoredLines (const casacore::Vector< casacore::Double > &x1, const casacore::Vector< casacore::Double > &y1, const casacore::Vector< casacore::Double > &x2, const casacore::Vector< casacore::Double > &y2, const casacore::Vector< casacore::uInt > &colors)

virtual void	setForeground (casacore::uLong color)
	Set Graphics Attributes Options for functions with enum argument listed in DisplayEnums. More...

virtual void	setLineWidth (casacore::Float width)
	virtual void setLineWidth(casacore::uInt width) = 0; More...

virtual void	setLineStyle (Display::LineStyle style)

virtual void	setFillStyle (Display::FillStyle style)

virtual void	setDrawFunction (Display::DrawFunction function)
	Set Graphics Attributes Options for functions with enum argument listed in DisplayEnums. More...

virtual void	setBackground (casacore::uLong color)
	Unimplemented set graphics functions. More...

virtual void	setCapStyle (Display::CapStyle style)

virtual void	setJoinStyle (Display::JoinStyle style)

virtual void	setFillRule (Display::FillRule rule)

virtual void	setArcMode (Display::ArcMode mode)

virtual casacore::uLong	getForeground () const
	Implemented get Graphics Attributes functions. More...

virtual casacore::Float	getLineWidth () const
	virtual casacore::uInt getLineWidth() const = 0; More...

virtual Display::LineStyle	getLineStyle () const

virtual Display::FillStyle	getFillStyle () const

virtual Display::DrawFunction	getDrawFunction () const
	Get Graphics Attributes. More...

virtual casacore::uLong	getBackground () const
	Unimplemented get Graphics Attributes. More...

virtual Display::CapStyle	getCapStyle () const

virtual Display::JoinStyle	getJoinStyle () const

virtual Display::FillRule	getFillRule () const

virtual Display::ArcMode	getArcMode () const

virtual casacore::Bool	enable (Display::Option option)
	(Cacheable) Option Control Options listed in DisplayEnums Only Display::ClipWindow is implemented. More...

virtual casacore::Bool	disable (Display::Option option)

virtual void	setImageCacheStrategy (Display::ImageCacheStrategy strategy)
	Control the image-caching strategy. More...

virtual Display::ImageCacheStrategy	imageCacheStrategy () const

virtual void	setClipWindow (casacore::Int x1, casacore::Int y1, casacore::Int x2, casacore::Int y2)
	(Cacheable) Setup the clip window. More...

virtual void	getClipWindow (casacore::Int &x1, casacore::Int &y1, casacore::Int &x2, casacore::Int &y2)

void	redraw ()
	(Not Cacheable) Redraw the window More...

virtual void	refresh (const Display::RefreshReason &reason=Display::UserCommand, const casacore::Bool &explicitrequest=true)

void	repaint (const casacore::Bool redraw=false)
	Just redraws window. More...

virtual void	flush ()
	Cause display to flush any graphics commands not yet drawn. More...

virtual void	clear ()
	(Cacheable) Clear the window using the background color Tip: If you want to clear the window use clear(), not clear(IIII); More...

virtual void	clear (casacore::Int x1, casacore::Int y1, casacore::Int x2, casacore::Int y2)

virtual void	setClearColor (casacore::uInt colorIndex)
	(Cacheable) Set the color to use for clearing the display More...

virtual void	setClearColor (const casacore::String &colorname)
	Caution: Setting named colors for Index mode isn't implemented; More...

virtual void	setClearColor (float r, float g, float b)

virtual casacore::uInt	clearColor () const
	(Not Cacheable) Get the current color to use for clearing the display. More...

virtual void	getClearColor (float &r, float &g, float &b) const

virtual void	setDeviceForegroundColor (const casacore::String colorname)
	Get/set the current foreground/background colors. More...

virtual casacore::String	deviceForegroundColor () const

virtual void	setDeviceBackgroundColor (const casacore::String colorname)

virtual casacore::String	deviceBackgroundColor () const

virtual casacore::uInt	width () const
	Return the width of the GLPixelCanvas in pixels. More...

virtual casacore::uInt	height () const
	Return the height of the GLPixelCanvas in pixels. More...

virtual casacore::uInt	depth () const
	Return the depth of the GLPixelCanvas in bits. More...

virtual void	pixelDensity (casacore::Float &xdpi, casacore::Float &ydpi) const
	Get the pixel density (in dots per inch [dpi]) of the GLPixelCanvas Tip: The X server is queried; It may or may not have the correct answer; More...

virtual void	setColor (casacore::uInt colorIndex)
	(Cacheable) Set current color (works in RGB or colormap mode) More...

virtual void	setColor (const casacore::String &colorname)

virtual void	setRGBColor (float r, float g, float b)
	Caution: Calling setRGBColor when in Index mode ignores r, g & b and uses the current index value; More...

virtual casacore::Bool	getColorComponents (const casacore::String &colorname, casacore::Float &r, casacore::Float &g, casacore::Float &b)
	Get color components in range 0 to 1 without actually allocating the color. More...

virtual casacore::uInt	color () const
	(Not Cacheable) Returns the current color as a color index Note: In RGB mode, this is only valid if setColor(index) has been called; More...

virtual void	getColor (float &r, float &g, float &b) const
	(Not Cacheable) Retuns the current color as an RGB triple More...

virtual casacore::Bool	getColor (casacore::Int x, casacore::Int y, casacore::uInt &color)
	(Not Cacheable) Get color index value (works in RGB or colormap mode) Tip: Don't bother; No existing canvas implements these; More...

virtual casacore::Bool	getRGBColor (casacore::Int x, casacore::Int y, float &r, float &g, float &b)
	This should be removed since no one implements it. More...

virtual casacore::Bool	resize (casacore::uInt reqXSize, casacore::uInt reqYSize, casacore::Bool doCallbacks=true)
	(Not Cacheable) resize request. More...

virtual casacore::Bool	resizeColorTable (casacore::uInt newSize)
	(Not Cacheable) resize the colortable by requesting a new number of cells More...

virtual casacore::Bool	resizeColorTable (casacore::uInt nReds, casacore::uInt nGreens, casacore::uInt nBlues)
	(Not Cacheable) resize the colortable by requesting a new RGB/HSV cube More...

virtual GLPixelCanvasColorTable *	glpcctbl () const
	Need a mechanism to return the GLPixelCanvasColorTable so drawing functions within classes can operate. More...

PixelCanvasColorTable *	pcctbl () const
	Return the pixel canvas color table. More...

void	setPcctbl (PixelCanvasColorTable *pcctbl)

virtual void	pushMatrix ()
	save/restore the current translation. More...

virtual void	popMatrix ()

virtual void	loadIdentity ()
	zero the current translation More...

virtual void	translate (casacore::Int xt, casacore::Int yt)
	translation functions translate applies a relative translation to the current matrix and can be used to position graphics. More...

virtual void	getTranslation (casacore::Int &xt, casacore::Int &yt) const
	Tip: get/x/yTranslation are not currently implemented; More...

virtual casacore::Int	xTranslation () const

virtual casacore::Int	yTranslation () const

virtual void	setDrawBuffer (Display::DrawBuffer buf)
	(Not cacheable) set the draw buffer Caution: The draw buffer is always set to BACK if double buffered and FRONT if single buffered; More...

void	copyBuffer (GLenum from, GLenum to)

virtual void	copyBackBufferToFrontBuffer ()
	buffer memory exchanges (Not cacheable) More...

virtual void	copyFrontBufferToBackBuffer ()

virtual void	swapBuffers ()

virtual void	copyBackBufferToFrontBuffer (casacore::Int x1, casacore::Int y1, casacore::Int x2, casacore::Int y2)
	partial buffer memory exchanges. More...

virtual void	copyFrontBufferToBackBuffer (casacore::Int x1, casacore::Int y1, casacore::Int x2, casacore::Int y2)

virtual void	swapBuffers (casacore::Int x1, casacore::Int y1, casacore::Int x2, casacore::Int y2)

virtual casacore::Bool	refreshAllowed () const
	return true if refresh is allowed right now... More...

void	makeCurrent ()
	Make this canvas's context current. More...

void	waitX ()
	Wait for X or GL commands to finish. More...

void	waitGL ()

int	glcheck (const char *msg=NULL, casacore::uInt nspaces=0)
	Print any GL error messages. More...

void	drawTexturedImage (GLfloat x, GLfloat y, GLfloat z, GLsizei width, GLsizei height, GLfloat xscale, GLfloat yscale, GLenum format, const GLushort pixels, GLPCTextureParams params=NULL)
	Various ways to draw images. More...

void	drawImagePixels (GLfloat x, GLfloat y, GLfloat z, GLsizei width, GLsizei height, GLfloat xscale, GLfloat yscale, GLenum format, const GLushort *pixels)

void	drawGLImage (GLfloat x, GLfloat y, GLfloat z, GLsizei width, GLsizei height, GLfloat xscale, GLfloat yscale, GLenum format, const GLushort *pixels)
	Calls drawImagePixels if in indexed mode or drawTexturedImage if RGB. More...

void	bufferZValue (const casacore::Float z=0.0)

void	trace (Boolean trace)
	Tracing support. More...

Boolean	tracing () const

void	traceLevel (const casacore::uLong traceLevel)
	Set trace level. More...

casacore::uLong	traceLevel () const

void	postToStream (casacore::Bool p=false)

void	postToString (casacore::String *s=NULL)

void	postString ()

void	note (const char *note)
	Add a note entry to traced output. More...

Boolean	autoRefresh () const
	Normally GLPixelCanvas repaints the window when it is damaged. More...

void	autoRefresh (Boolean refresh)

void	pushAttrib (const GLbitfield attrib)
	OpenGL's push/popAttrib functions. More...

void	popAttrib ()

Boolean	doubleBuffered () const

Boolean	isRGB () const

Public Member Functions inherited from casa::PixelCanvas
virtual	~PixelCanvas ()

void	addRefreshEventHandler (const PCRefreshEH &eh)
	add event handlers More...

void	addMotionEventHandler (const PCMotionEH &eh)

void	addPositionEventHandler (const PCPositionEH &eh)

void	removeRefreshEventHandler (const PCRefreshEH &eh)
	remove event handlers More...

void	removeMotionEventHandler (const PCMotionEH &eh)

void	removePositionEventHandler (const PCPositionEH &eh)

void	callRefreshEventHandlers (Display::RefreshReason reason)
	call event handlers More...

void	callMotionEventHandlers (casacore::Int x, casacore::Int y, casacore::uInt state)

void	callPositionEventHandlers (Display::KeySym keysym, casacore::Bool keystate, casacore::Int x, casacore::Int y, casacore::uInt state)

virtual casacore::Bool	setFont (DLFont *)
	TODO: These should become abstract Set the font via the DisplayLibrary Font class. More...

virtual casacore::Bool	setFont (const casacore::String &, const casacore::Int)
	Set the font to font name / size. More...

virtual void	drawText (casacore::Int, casacore::Int, const casacore::String &, const casacore::Float &, Display::TextAlign=Display::AlignCenter)
	TODO This should become abstract - NYI in GLPixelCanvas currently Draw text at a specified angle. More...

virtual casacore::Int	textWidth (const casacore::String &)
	TODO : This should become abstract Determine the width / height of a string of text based on current settings. More...

virtual casacore::Int	textHeight (const casacore::String &)

virtual void	drawMarker (const casacore::Int &x1, const casacore::Int &y1, const Display::Marker &marker, const casacore::Int &pixelHeight)
	Draw a "marker". More...

virtual void	drawMarker (const casacore::Float &x1, const casacore::Float &y1, const Display::Marker &marker, const casacore::Int &pixelHeight)

virtual void	drawMarker (const casacore::Double &x1, const casacore::Double &y1, const Display::Marker &marker, const casacore::Int &pixelHeight)

virtual void	drawEllipse (const casacore::Float &cx, const casacore::Float &cy, const casacore::Float &smajor, const casacore::Float &sminor, const casacore::Float &pangle, casacore::Bool outline=true, casacore::Float xstretch=1., casacore::Float ystretch=1.)
	Draw a single ellipse using the current pen (ie. More...

virtual void	drawColoredEllipses (const casacore::Matrix< casacore::Float > &centres, const casacore::Vector< casacore::Float > &smajor, const casacore::Vector< casacore::Float > &sminor, const casacore::Vector< casacore::Float > &pangle, const casacore::Vector< casacore::uInt > &colors, const casacore::Float &scale=1.0, const casacore::Bool &outline=true)
	Draw a set of colored ellipses, possibly with borders. More...

void	bufferPoint (casacore::Float x, casacore::Float y)
	vector primitive buffering More...

void	bufferLine (casacore::Float x1, casacore::Float y1, casacore::Float x2, casacore::Float y2)

void	bufferPolylinePoint (casacore::Float x, casacore::Float y)

void	bufferPolygonPoint (casacore::Float x, casacore::Float y)

void	flushBuffer ()

void	redraw ()
	(Not Cacheable) Redraw the window More...

virtual void	setHSVColor (float h, float s, float v)

virtual casacore::Bool	getHSVColor (casacore::Int x, casacore::Int y, float &h, float &s, float &v)

void	setColormap (Colormap *map)
	(Not Cacheable) set/get the current colormap. More...

Colormap *	colormap () const

casacore::Bool	colormapRegistered ()

void	registerColormap (Colormap *dcmap, casacore::Float weight=1.0)
	register a colormap to the pixelcanvas. More...

void	registerColormap (Colormap cmap, Colormap cmapToReplace)
	Register the `cmap` Colormap on the PixelCanvas, replacing the `cmapToReplace` Colormap if possible. More...

void	unregisterColormap (Colormap *dcmap)
	unregister a colormap from a pixelcanvas. More...

casacore::uInt	getColormapSize () const
	return the size of the current colormap More...

void	mapToColor (casacore::Array< casacore::uChar > &outArray, const casacore::Array< casacore::uChar > &inArray, casacore::Bool rangeCheck=false)
	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 (casacore::Array< casacore::uShort > &outArray, const casacore::Array< casacore::uShort > &inArray, casacore::Bool rangeCheck=false)

void	mapToColor (casacore::Array< casacore::uInt > &outArray, const casacore::Array< casacore::uInt > &inArray, casacore::Bool rangeCheck=false)

void	mapToColor (casacore::Array< casacore::uLong > &outArray, const casacore::Array< casacore::uLong > &inArray, casacore::Bool rangeCheck=false)

void	mapToColor (casacore::Array< casacore::uChar > &inOutArray, casacore::Bool rangeCheck=false)
	same as above except the matrix is operated on in place. More...

void	mapToColor (casacore::Array< casacore::uShort > &inOutArray, casacore::Bool rangeCheck=false)

void	mapToColor (casacore::Array< casacore::uInt > &inOutArray, casacore::Bool rangeCheck=false)

void	mapToColor (casacore::Array< casacore::uLong > &inOutArray, casacore::Bool rangeCheck=false)

void	mapToColor (casacore::Array< casacore::uInt > &outArray, const casacore::Array< casacore::uInt > &inArrayRed, const casacore::Array< casacore::uInt > &inArrayGreen, const casacore::Array< casacore::uInt > &inArrayBlue)

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)
	Multi-Channel functions that combine separate array channels into a single array of output colors for use with functions that take color values. 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)

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

Display::DrawBuffer	drawBuffer () const
	return the drawing buffer, the target destination for graphics More...

Display::DrawMode	drawMode () const
	return the drawmode (Compile or Draw) Compile drawmode means that a display list is currently being built Draw drawmode means that drawing commands are not cached but instead are sent to the display. More...

Display::ColorModel	colorModel () const
	return the colorModel used for multichannel color More...

void	setColorModel (Display::ColorModel colorModel)
	Set the input color model for multichannel color. More...

casacore::Bool	refreshActive () const
	return true if the refresh is active (Added for X11PixelCanvas DefaultBuffer) More...

virtual casacore::Float	pixelScaling () const

Static Public Member Functions
static void	copyBuffer (GLenum from, GLenum to, GLint x, GLint y, GLsizei width, GLsizei height)
	buffer memory exchanges (Not cacheable) More...

static int	glCheck (const char *msg=NULL, casacore::uInt nspaces=0)

static void	drawPixels (GLfloat x, GLfloat y, GLfloat z, GLsizei width, GLsizei height, GLfloat xscale, GLfloat yscale, GLenum format, GLenum type, const GLvoid *pixels)

Private Member Functions
void	exposeHandler ()
	Handle the X expose event. More...

void	resizeHandler ()
	Called when window is resized. More...

void	handleEvents (Widget w, XEvent *ev)

Boolean	handleResizeEvent (casacore::uInt w, casacore::uInt h)

void	initComponents ()

GLPCDisplayList *	createList (const char *name=NULL)
	Internal handling of display lists. More...

casacore::uInt	makeList (const char *name=NULL)
	Create a new display list and add to the list of lists. More...

void	resizeList ()
	Grow the list. More...

void	cleanLists ()
	Go through the list of display lists removing any unused lists. More...

void	purgeLists ()
	Called when the window is resized or cleared. More...

Boolean	removeList (casacore::uInt listid)
	Remove a display list from list of lists. More...

void	beginListEntry (const char *name=NULL)
	Called to begin caching. More...

void	beginListEntry (GLPCDisplayListElement *e)

void	endListEntry ()
	Called to end caching. More...

void	traceCheck (const char *name, casacore::uLong traceLevel, casacore::uInt nspaces)
	Print <name> if tracing is turned on. More...

void	traceCheck (const char *name, casacore::uLong traceLevel)

void	storeColorValue (GLPCColorValue &v, casacore::uLong value)
	Store the new value in the struct. More...

void	storeColorIndex (GLPCColorValue &v, casacore::uInt index)
	If RGB mode, index is interpreted as an index into the virtual CT. More...

void	storeColorValue (GLPCColorValue &v, casacore::Float r, casacore::Float g, casacore::Float b)

void	storeColorValue (GLPCColorValue &v, casacore::Float r, casacore::Float g, casacore::Float b, casacore::Float a)

void	setCurrentColorIndex (casacore::uInt index, const char *name=NULL)
	index is always treated as an index. More...

void	setCurrentColorValue (casacore::uLong value, const char *name=NULL)

void	setCurrentColorValue (casacore::Float r, casacore::Float g, casacore::Float b, const char *name=NULL)

void	setCurrentColorValue (casacore::Float r, casacore::Float g, casacore::Float b, casacore::Float a, const char *name=NULL)

void	setCurrentColorValue (const GLPCColorValue &v, const char *name=NULL)

void	setClearColorIndex (casacore::uInt index, const char *name=NULL)

void	setClearColorValue (casacore::uLong index, const char *name=NULL)

void	setClearColorValue (casacore::Float r, casacore::Float g, casacore::Float b, const char *name=NULL)

void	setClearColorValue (casacore::Float r, casacore::Float g, casacore::Float b, casacore::Float a, const char *name=NULL)

void	setClearColorValue (const GLPCColorValue &v, const char *name=NULL)
	Tell OpenGL to use the given color index or RGB value depending on whether we're in Index or RGB mode. More...

void	drawColoredPoints_ (const char *Name, const casacore::Vector< casacore::Int > &x1, const casacore::Vector< casacore::Int > &y1, const casacore::Vector< casacore::uInt > &colors)
	Internal versions of public functions. More...

void	drawColoredPoints_ (const char *Name, const casacore::Vector< casacore::Float > &x1, const casacore::Vector< casacore::Float > &y1, const casacore::Vector< casacore::uInt > &colors)

void	drawColoredPoints_ (const char *Name, const casacore::Vector< casacore::Double > &x1, const casacore::Vector< casacore::Double > &y1, const casacore::Vector< casacore::uInt > &colors)

void	pRWbuf (const char *str=NULL, int nspaces=0)

void	warn (const char routine, const char msg, const SourceLocation *where) const
	Routines to print warnings. More...

void	unimplemented (const char routine, const SourceLocation where) const

Static Private Member Functions
static void	handleEventsCB (Widget w, GLPixelCanvas xpc, XEvent ev, Boolean *)
	Event Handling. More...

static void	colorTableResizeCB (PixelCanvasColorTable pcctbl, casacore::uInt, GLPixelCanvas xpc, Display::RefreshReason reason)
	handle colorTable resize More...

Private Attributes
::XDisplay *	display_

Widget	parent_

Widget	form_

Widget	drawArea_

XVisualInfo *	visualInfo_

Visual *	visual_

casacore::uInt	BlackPixel_

casacore::Bool	doubleBuffered_
	GL information. More...

casacore::Bool	isRGB_

GLPixelCanvasColorTable *	glpcctbl_

GLXContext	context_

GLbitfield	bufferMask_

casacore::uInt	width_

casacore::uInt	height_

casacore::uInt	depth_

Boolean	doClipping_

casacore::Int	clipX1_

casacore::Int	clipY1_

casacore::Int	clipX2_

casacore::Int	clipY2_

casacore::String	itsDeviceForegroundColor_

casacore::String	itsDeviceBackgroundColor_

GLPCColorValue	currentColor_
	Current color. More...

GLPCColorValue	clearColor_
	Clear color. More...

Display::LineStyle	lineStyle_

Display::FillStyle	fillStyle_

Boolean	exposeHandlerFirstTime_

casacore::uShort *	itsComponents_
	Component / multi-channel buffers etc. More...

casacore::Float	itsComponentX_

casacore::Float	itsComponentY_

casacore::Float	itsComponentZ_

casacore::Float	itsComponentScaleX_

casacore::Float	itsComponentScaleY_

casacore::uLong	itsComponentWidth_

casacore::uLong	itsComponentHeight_

casacore::uInt	listSize_
	Display lists. More...

casacore::uInt	numinuse_

casacore::uInt	nextfree_

casacore::uInt	sizeincr_

casacore::uInt	currentListID_

GLPCDisplayList **	dlists_

GLPCDisplayListElement *	currentElement_

Boolean	trace_

casacore::uLong	traceLevel_

casacore::uInt	nspaces_

GLLogIO	log_

Boolean	autoRefresh_

Additional Inherited Members
Protected Member Functions inherited from casa::PixelCanvas
	PixelCanvas ()
	Abstract base class idiom. More...

	PixelCanvas (const PixelCanvas *)

	PixelCanvas (PixelCanvasColorTable *pcctbl)

void	setDrawMode (Display::DrawMode mode)
	Only allowed by derived classes. More...

void	setDrawBuffer_ (Display::DrawBuffer buf)
	Also allowed only by derived classes. More...

Protected Attributes inherited from casa::PixelCanvas
casacore::Bool	defaultColormapActive_
	true if the PixelCanvas was the one who registered the existing colortable More...

Detailed Description

OpenGL implementation of PixelCanvas.

Intended use:

Public interface

Prerequisite

Synopsis

Implementation of PixelCanvas for OpenGL. Most, but not all of the PixelCanvas functions are available. There is very little support for 3D.

Thrown Exceptions

Definition at line 76 of file GLPixelCanvas.h.

Constructor & Destructor Documentation

casa::GLPixelCanvas::GLPixelCanvas	(	Widget	parent,
		GLPixelCanvasColorTable *	glpcctbl,
		casacore::uInt	width,
		casacore::uInt	height
	)

Caution: Drawing can not take place until the window exists!

virtual casa::GLPixelCanvas::~GLPixelCanvas ( )

virtual

Member Function Documentation

Boolean casa::GLPixelCanvas::autoRefresh ( ) const

inline

Normally GLPixelCanvas repaints the window when it is damaged.

If the user wishes to handle this, turn off auto refreshing.

Definition at line 649 of file GLPixelCanvas.h.

References autoRefresh_.

void casa::GLPixelCanvas::autoRefresh ( Boolean refresh )

inline

Definition at line 652 of file GLPixelCanvas.h.

References autoRefresh_, and refresh().

void casa::GLPixelCanvas::beginListEntry ( const char * name = NULL )

private

Called to begin caching.

void casa::GLPixelCanvas::beginListEntry ( GLPCDisplayListElement * e )

private

virtual void casa::GLPixelCanvas::bufferComponent	(	const casacore::Matrix< casacore::uInt > &	data,
		const casacore::Int &	x,
		const casacore::Int &	y,
		const Display::ColorComponent &	colorcomponent
	)

virtual

Fill one of the channel buffers.

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::bufferZValue ( const casacore::Float z = 0.0 )

inline

Definition at line 612 of file GLPixelCanvas.h.

References itsComponentZ_.

void casa::GLPixelCanvas::cleanLists ( )

private

Go through the list of display lists removing any unused lists.

virtual void casa::GLPixelCanvas::clear ( )

virtual

(Cacheable) Clear the window using the background color
Tip: If you want to clear the window use clear(), not clear(IIII);

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::clear	(	casacore::Int	x1,
		casacore::Int	y1,
		casacore::Int	x2,
		casacore::Int	y2
	)

virtual

Implements casa::PixelCanvas.

virtual casacore::uInt casa::GLPixelCanvas::clearColor ( ) const

virtual

(Not Cacheable) Get the current color to use for clearing the display.

Implements casa::PixelCanvas.

virtual casacore::uInt casa::GLPixelCanvas::color ( ) const

virtual

(Not Cacheable) Returns the current color as a color index
Note: In RGB mode, this is only valid if setColor(index) has been called;

Implements casa::PixelCanvas.

static void casa::GLPixelCanvas::colorTableResizeCB	(	PixelCanvasColorTable *	pcctbl,
		casacore::uInt	,
		GLPixelCanvas *	xpc,
		Display::RefreshReason	reason
	)

staticprivate

handle colorTable resize

virtual void casa::GLPixelCanvas::copyBackBufferToFrontBuffer ( )

virtual

buffer memory exchanges (Not cacheable)

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::copyBackBufferToFrontBuffer	(	casacore::Int	x1,
		casacore::Int	y1,
		casacore::Int	x2,
		casacore::Int	y2
	)

virtual

partial buffer memory exchanges.

(x1,y1 are blc, x2,y2 are trc) None of these are implemented.

Implements casa::PixelCanvas.

static void casa::GLPixelCanvas::copyBuffer	(	GLenum	from,
		GLenum	to,
		GLint	x,
		GLint	y,
		GLsizei	width,
		GLsizei	height
	)

static

buffer memory exchanges (Not cacheable)

Caution: Of this group, only swapbuffers() works;

void casa::GLPixelCanvas::copyBuffer	(	GLenum	from,
		GLenum	to
	)

virtual void casa::GLPixelCanvas::copyFrontBufferToBackBuffer ( )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::copyFrontBufferToBackBuffer	(	casacore::Int	x1,
		casacore::Int	y1,
		casacore::Int	x2,
		casacore::Int	y2
	)

virtual

Implements casa::PixelCanvas.

GLPCDisplayList* casa::GLPixelCanvas::createList ( const char * name = NULL )

private

Internal handling of display lists.

There is a list of GLPCDisplayLists. Item 0 always exists and is used to redraw the window after expose events. Any other entries are created in response to newList() calls.

Return a pointer to a new GLPC display list.

virtual void casa::GLPixelCanvas::deleteList ( casacore::uInt list )

virtual

remove list from cache

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::deleteLists ( )

virtual

flush all lists from the cache

Implements casa::PixelCanvas.

virtual casacore::uInt casa::GLPixelCanvas::depth ( ) const

virtual

Return the depth of the GLPixelCanvas in bits.

Implements casa::PixelCanvas.

virtual casacore::String casa::GLPixelCanvas::deviceBackgroundColor ( ) const

virtual

Implements casa::PixelCanvas.

virtual casacore::String casa::GLPixelCanvas::deviceForegroundColor ( ) const

virtual

Implements casa::PixelCanvas.

virtual casacore::Bool casa::GLPixelCanvas::disable ( Display::Option option )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::disableMotionEvents ( )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::disablePositionEvents ( )

virtual

Implements casa::PixelCanvas.

Boolean casa::GLPixelCanvas::doubleBuffered ( ) const

inline

Definition at line 660 of file GLPixelCanvas.h.

References doubleBuffered_.

virtual void casa::GLPixelCanvas::drawColoredLines	(	const casacore::Vector< casacore::Int > &	x1,
		const casacore::Vector< casacore::Int > &	y1,
		const casacore::Vector< casacore::Int > &	x2,
		const casacore::Vector< casacore::Int > &	y2,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

(Cacheable) Draw a set of lines, specifying a color per line to be drawn.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawColoredLines	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1,
		const casacore::Vector< casacore::Float > &	x2,
		const casacore::Vector< casacore::Float > &	y2,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawColoredLines	(	const casacore::Vector< casacore::Double > &	x1,
		const casacore::Vector< casacore::Double > &	y1,
		const casacore::Vector< casacore::Double > &	x2,
		const casacore::Vector< casacore::Double > &	y2,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawColoredPoints	(	const casacore::Vector< casacore::Int > &	x1,
		const casacore::Vector< casacore::Int > &	y1,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

(Cacheable) Draw a set of points, specifying a color per point to be drawn.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawColoredPoints	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawColoredPoints	(	const casacore::Vector< casacore::Double > &	x1,
		const casacore::Vector< casacore::Double > &	y1,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawColoredPoints	(	const casacore::Matrix< casacore::Int > &	xy,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

Reimplemented from casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawColoredPoints	(	const casacore::Matrix< casacore::Float > &	xy,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

Reimplemented from casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawColoredPoints	(	const casacore::Matrix< casacore::Double > &	xy,
		const casacore::Vector< casacore::uInt > &	colors
	)

virtual

Reimplemented from casa::PixelCanvas.

void casa::GLPixelCanvas::drawColoredPoints_	(	const char *	Name,
		const casacore::Vector< casacore::Int > &	x1,
		const casacore::Vector< casacore::Int > &	y1,
		const casacore::Vector< casacore::uInt > &	colors
	)

private

Internal versions of public functions.

void casa::GLPixelCanvas::drawColoredPoints_	(	const char *	Name,
		const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1,
		const casacore::Vector< casacore::uInt > &	colors
	)

private

void casa::GLPixelCanvas::drawColoredPoints_	(	const char *	Name,
		const casacore::Vector< casacore::Double > &	x1,
		const casacore::Vector< casacore::Double > &	y1,
		const casacore::Vector< casacore::uInt > &	colors
	)

private

virtual void casa::GLPixelCanvas::drawFilledPolygon	(	const casacore::Vector< casacore::Int > &	x1,
		const casacore::Vector< casacore::Int > &	y1
	)

virtual

(Cacheable) Draw and fill a closed polygon

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawFilledPolygon	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawFilledPolygon	(	const casacore::Vector< casacore::Double > &	x1,
		const casacore::Vector< casacore::Double > &	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawFilledPolygon3D	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1,
		const casacore::Vector< casacore::Float > &	z1
	)

virtual

virtual void casa::GLPixelCanvas::drawFilledRectangle	(	casacore::Int	x1,
		casacore::Int	y1,
		casacore::Int	x2,
		casacore::Int	y2
	)

virtual

(Cacheable) Draw a filled rectangle

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawFilledRectangle	(	casacore::Float	x1,
		casacore::Float	y1,
		casacore::Float	x2,
		casacore::Float	y2
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawFilledRectangle	(	casacore::Double	x1,
		casacore::Double	y1,
		casacore::Double	x2,
		casacore::Double	y2
	)

virtual

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::drawGLImage	(	GLfloat	x,
		GLfloat	y,
		GLfloat	z,
		GLsizei	width,
		GLsizei	height,
		GLfloat	xscale,
		GLfloat	yscale,
		GLenum	format,
		const GLushort *	pixels
	)

Calls drawImagePixels if in indexed mode or drawTexturedImage if RGB.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::uInt > &	data,
		casacore::Int	x,
		casacore::Int	y
	)

virtual

(Cacheable) Draw an array of 2D color data as a raster image for zoom = <1,1>

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::Int > &	data,
		casacore::Int	x,
		casacore::Int	y
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::uLong > &	data,
		casacore::Int	x,
		casacore::Int	y
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::Float > &	data,
		casacore::Int	x,
		casacore::Int	y
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::Double > &	data,
		casacore::Int	x,
		casacore::Int	y
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Int &	x,
		const casacore::Int &	y,
		const casacore::Matrix< casacore::uInt > &	data,
		const casacore::Matrix< casacore::Bool > &	mask,
		casacore::Bool	opaqueMask = `false`
	)

virtual

(Cacheable) Draw an array of 2D color data as a raster image, taking note of the casacore::Bool mask.

(opaqueMask ignored/unimplemented)

Reimplemented from casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::uInt > &	data,
		casacore::Int	x,
		casacore::Int	y,
		casacore::uInt	xzoom,
		casacore::uInt	yzoom
	)

virtual

(Cacheable) Draw an array of 2D color data as a raster image for any positive integer zoom

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::Int > &	data,
		casacore::Int	x,
		casacore::Int	y,
		casacore::uInt	xzoom,
		casacore::uInt	yzoom
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::uLong > &	data,
		casacore::Int	x,
		casacore::Int	y,
		casacore::uInt	xzoom,
		casacore::uInt	yzoom
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::Float > &	data,
		casacore::Int	x,
		casacore::Int	y,
		casacore::uInt	xzoom,
		casacore::uInt	yzoom
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::Double > &	data,
		casacore::Int	x,
		casacore::Int	y,
		casacore::uInt	xzoom,
		casacore::uInt	yzoom
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawImage	(	const casacore::Matrix< casacore::uInt > &	data,
		const casacore::Int &	x,
		const casacore::Int &	y,
		const Display::ColorComponent &	colorcomponent
	)

virtual

(Cacheable) Draw a component of a multi-channel image, storing it in buffers until flushComponentImages() is called.

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::drawImagePixels	(	GLfloat	x,
		GLfloat	y,
		GLfloat	z,
		GLsizei	width,
		GLsizei	height,
		GLfloat	xscale,
		GLfloat	yscale,
		GLenum	format,
		const GLushort *	pixels
	)

virtual void casa::GLPixelCanvas::drawLine	(	casacore::Int	x1,
		casacore::Int	y1,
		casacore::Int	x2,
		casacore::Int	y2
	)

virtual

(Cacheable) Draw a single line using current color

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLine	(	casacore::Float	x1,
		casacore::Float	y1,
		casacore::Float	x2,
		casacore::Float	y2
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLine	(	casacore::Double	x1,
		casacore::Double	y1,
		casacore::Double	x2,
		casacore::Double	y2
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLine3D	(	casacore::Float	x1,
		casacore::Float	y1,
		casacore::Float	z1,
		casacore::Float	x2,
		casacore::Float	y2,
		casacore::Float	z2
	)

virtual

virtual void casa::GLPixelCanvas::drawLines ( const casacore::Matrix< casacore::Int > & verts )

virtual

(Cacheable) Draw N/2 lines from an Nx2 matrix

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLines ( const casacore::Matrix< casacore::Float > & verts )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLines ( const casacore::Matrix< casacore::Double > & verts )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLines	(	const casacore::Vector< casacore::Int > &	x1,
		const casacore::Vector< casacore::Int > &	y1,
		const casacore::Vector< casacore::Int > &	x2,
		const casacore::Vector< casacore::Int > &	y2
	)

virtual

(Cacheable) Draw a bunch of unrelated lines using current color

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLines	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1,
		const casacore::Vector< casacore::Float > &	x2,
		const casacore::Vector< casacore::Float > &	y2
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLines	(	const casacore::Vector< casacore::Double > &	x1,
		const casacore::Vector< casacore::Double > &	y1,
		const casacore::Vector< casacore::Double > &	x2,
		const casacore::Vector< casacore::Double > &	y2
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawLines3D ( const casacore::Matrix< casacore::Float > & verts )

virtual

virtual void casa::GLPixelCanvas::drawList ( casacore::uInt list )

virtual

(Cacheable) recall cached display commands

Implements casa::PixelCanvas.

static void casa::GLPixelCanvas::drawPixels	(	GLfloat	x,
		GLfloat	y,
		GLfloat	z,
		GLsizei	width,
		GLsizei	height,
		GLfloat	xscale,
		GLfloat	yscale,
		GLenum	format,
		GLenum	type,
		const GLvoid *	pixels
	)

static

virtual void casa::GLPixelCanvas::drawPoint	(	casacore::Int	x1,
		casacore::Int	y1
	)

virtual

(Cacheable) Draw a single point using current color

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPoint	(	casacore::Float	x1,
		casacore::Float	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPoint	(	casacore::Double	x1,
		casacore::Double	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPoint3D	(	casacore::Float	x1,
		casacore::Float	y1,
		casacore::Float	z1
	)

virtual

virtual void casa::GLPixelCanvas::drawPoints ( const casacore::Matrix< casacore::Int > & verts )

virtual

(Cacheable) Draw N points specified as a Nx2 matrix

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPoints ( const casacore::Matrix< casacore::Float > & verts )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPoints ( const casacore::Matrix< casacore::Double > & verts )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPoints	(	const casacore::Vector< casacore::Int > &	x1,
		const casacore::Vector< casacore::Int > &	y1
	)

virtual

(Cacheable) Draw a bunch of points using current color

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPoints	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPoints	(	const casacore::Vector< casacore::Double > &	x1,
		const casacore::Vector< casacore::Double > &	y1
	)

virtual

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::drawPoints3D ( const casacore::Matrix< casacore::Float > & verts )

virtual void casa::GLPixelCanvas::drawPoints3D	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1,
		const casacore::Vector< casacore::Float > &	z1
	)

virtual

virtual void casa::GLPixelCanvas::drawPolygon	(	const casacore::Vector< casacore::Int > &	x1,
		const casacore::Vector< casacore::Int > &	y1
	)

virtual

(Cacheable) Draw a closed polygon

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolygon	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolygon	(	const casacore::Vector< casacore::Double > &	x1,
		const casacore::Vector< casacore::Double > &	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolygon ( const casacore::Matrix< casacore::Int > & verts )

virtual

(Cacheable) Draw a closed N-sided polygon from Nx2 matrix of vertices

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolygon ( const casacore::Matrix< casacore::Float > & verts )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolygon ( const casacore::Matrix< casacore::Double > & verts )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolygon3D	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1,
		const casacore::Vector< casacore::Float > &	z1
	)

virtual

virtual void casa::GLPixelCanvas::drawPolygon3D ( const casacore::Matrix< casacore::Float > & verts )

virtual

virtual void casa::GLPixelCanvas::drawPolyline	(	const casacore::Vector< casacore::Int > &	x1,
		const casacore::Vector< casacore::Int > &	y1
	)

virtual

(Cacheable) Draw a single connected line between the given points.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolyline	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolyline	(	const casacore::Vector< casacore::Double > &	x1,
		const casacore::Vector< casacore::Double > &	y1
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolyline ( const casacore::Matrix< casacore::Int > & verts )

virtual

(Cacheable) Draw N-1 connected lines from Nx2 matrix of vertices

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolyline ( const casacore::Matrix< casacore::Float > & verts )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolyline ( const casacore::Matrix< casacore::Double > & verts )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawPolyline3D	(	const casacore::Vector< casacore::Float > &	x1,
		const casacore::Vector< casacore::Float > &	y1,
		const casacore::Vector< casacore::Float > &	z1
	)

virtual

virtual void casa::GLPixelCanvas::drawRectangle	(	casacore::Int	x1,
		casacore::Int	y1,
		casacore::Int	x2,
		casacore::Int	y2
	)

virtual

(Cacheable) Draw a rectangle

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawRectangle	(	casacore::Float	x1,
		casacore::Float	y1,
		casacore::Float	x2,
		casacore::Float	y2
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawRectangle	(	casacore::Double	x1,
		casacore::Double	y1,
		casacore::Double	x2,
		casacore::Double	y2
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::drawText	(	casacore::Int	x,
		casacore::Int	y,
		const casacore::String &	text,
		Display::TextAlign	alignment = `Display::AlignCenter`
	)

virtual

(Cacheable) Draw text using that font aligned in some way to the position.

(unimplemented)

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::drawTexturedImage	(	GLfloat	x,
		GLfloat	y,
		GLfloat	z,
		GLsizei	width,
		GLsizei	height,
		GLfloat	xscale,
		GLfloat	yscale,
		GLenum	format,
		const GLushort *	pixels,
		GLPCTextureParams *	params = `NULL`
	)

Various ways to draw images.

Used internally.

virtual casacore::Bool casa::GLPixelCanvas::enable ( Display::Option option )

virtual

(Cacheable) Option Control Options listed in DisplayEnums Only Display::ClipWindow is implemented.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::enableMotionEvents ( )

virtual

enabling/disabling of event tracking (unimplemented)

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::enablePositionEvents ( )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::endList ( )

virtual

end caching display commands

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::endListEntry ( )

private

Called to end caching.

void casa::GLPixelCanvas::exposeHandler ( )

private

Handle the X expose event.

This is caught by the pixel canvas and forwarded as a refresh event only if the pixel canvas changed dimensions. If there was no size change, the pixel canvas simply copies its pixmap to the display without generating a refresh.

virtual void casa::GLPixelCanvas::flush ( )

virtual

Cause display to flush any graphics commands not yet drawn.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::flushComponentBuffers ( )

virtual

(NOT CACHEABLE!) Flush the component buffers.

Implements casa::PixelCanvas.

virtual Display::ArcMode casa::GLPixelCanvas::getArcMode ( ) const

virtual

Implements casa::PixelCanvas.

virtual casacore::uLong casa::GLPixelCanvas::getBackground ( ) const

virtual

Unimplemented get Graphics Attributes.

Implements casa::PixelCanvas.

virtual Display::CapStyle casa::GLPixelCanvas::getCapStyle ( ) const

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::getClearColor	(	float &	r,
		float &	g,
		float &	b
	)		const

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::getClipWindow	(	casacore::Int &	x1,
		casacore::Int &	y1,
		casacore::Int &	x2,
		casacore::Int &	y2
	)

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::getColor	(	float &	r,
		float &	g,
		float &	b
	)		const

virtual

(Not Cacheable) Retuns the current color as an RGB triple

Implements casa::PixelCanvas.

virtual casacore::Bool casa::GLPixelCanvas::getColor	(	casacore::Int	x,
		casacore::Int	y,
		casacore::uInt &	color
	)

virtual

(Not Cacheable) Get color index value (works in RGB or colormap mode)
Tip: Don't bother; No existing canvas implements these;

Implements casa::PixelCanvas.

virtual casacore::Bool casa::GLPixelCanvas::getColorComponents	(	const casacore::String &	colorname,
		casacore::Float &	r,
		casacore::Float &	g,
		casacore::Float &	b
	)

virtual

Get color components in range 0 to 1 without actually allocating the color.

This is needed to set up other devices, for example PgPlot.

Implements casa::PixelCanvas.

virtual Display::DrawFunction casa::GLPixelCanvas::getDrawFunction ( ) const

virtual

Get Graphics Attributes.

Implements casa::PixelCanvas.

virtual Display::FillRule casa::GLPixelCanvas::getFillRule ( ) const

virtual

Implements casa::PixelCanvas.

virtual Display::FillStyle casa::GLPixelCanvas::getFillStyle ( ) const

virtual

Implements casa::PixelCanvas.

virtual casacore::uLong casa::GLPixelCanvas::getForeground ( ) const

virtual

Implemented get Graphics Attributes functions.

Implements casa::PixelCanvas.

virtual Display::JoinStyle casa::GLPixelCanvas::getJoinStyle ( ) const

virtual

Implements casa::PixelCanvas.

virtual Display::LineStyle casa::GLPixelCanvas::getLineStyle ( ) const

virtual

Implements casa::PixelCanvas.

virtual casacore::Float casa::GLPixelCanvas::getLineWidth ( ) const

virtual

virtual casacore::uInt getLineWidth() const = 0;

Implements casa::PixelCanvas.

virtual casacore::Bool casa::GLPixelCanvas::getRGBColor	(	casacore::Int	x,
		casacore::Int	y,
		float &	r,
		float &	g,
		float &	b
	)

virtual

This should be removed since no one implements it.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::getTranslation	(	casacore::Int &	xt,
		casacore::Int &	yt
	)		const

virtual

Tip: get/x/yTranslation are not currently implemented;

Implements casa::PixelCanvas.

int casa::GLPixelCanvas::glcheck	(	const char *	msg = `NULL`,
		casacore::uInt	nspaces = `0`
	)

Print any GL error messages.

if msg is non NULL, it is printed first if there is an error. nspaces is the number of spaces to indent the text. Returns the number of errors. Usually only used internally.

static int casa::GLPixelCanvas::glCheck	(	const char *	msg = `NULL`,
		casacore::uInt	nspaces = `0`
	)

static

virtual GLPixelCanvasColorTable* casa::GLPixelCanvas::glpcctbl ( ) const

inlinevirtual

Need a mechanism to return the GLPixelCanvasColorTable so drawing functions within classes can operate.

Definition at line 503 of file GLPixelCanvas.h.

References glpcctbl_.

void casa::GLPixelCanvas::GLPixelCanvas::drawIndexedImage	(	const casacore::Matrix< casacore::uInt > &	data,
		casacore::Float	x = `0.0`,
		casacore::Float	y = `0.0`,
		casacore::Float	z = `0.0`,
		casacore::Float	xscl = `1.0`,
		casacore::Float	yscl = `1.0`
	)

(Cacheable) Draw an image using color indexes.

If in RGB mode, the virtual colortable is used.

void casa::GLPixelCanvas::handleEvents	(	Widget	w,
		XEvent *	ev
	)

private

static void casa::GLPixelCanvas::handleEventsCB	(	Widget	w,
		GLPixelCanvas *	xpc,
		XEvent *	ev,
		Boolean *
	)

staticprivate

Event Handling.

Boolean casa::GLPixelCanvas::handleResizeEvent	(	casacore::uInt	w,
		casacore::uInt	h
	)

private

virtual casacore::uInt casa::GLPixelCanvas::height ( ) const

virtual

Return the height of the GLPixelCanvas in pixels.

Implements casa::PixelCanvas.

virtual Display::ImageCacheStrategy casa::GLPixelCanvas::imageCacheStrategy ( ) const

virtual

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::initComponents ( )

private

Boolean casa::GLPixelCanvas::isRGB ( ) const

inline

Definition at line 663 of file GLPixelCanvas.h.

References isRGB_.

virtual void casa::GLPixelCanvas::loadIdentity ( )

virtual

zero the current translation

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::makeCurrent ( )

Make this canvas's context current.

Caution: This must be called when switching between GLPixelCanvases or else drawing will go to the wrong canvas; It is not needed unless more than one GLPixelCanvas is active at a time;

casacore::uInt casa::GLPixelCanvas::makeList ( const char * name = NULL )

private

Create a new display list and add to the list of lists.

virtual casacore::uInt casa::GLPixelCanvas::newList ( )

virtual

begin caching display commands - return list ID

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::note ( const char * note )

Add a note entry to traced output.

PixelCanvasColorTable* casa::GLPixelCanvas::pcctbl ( ) const

inlinevirtual

Return the pixel canvas color table.

Implements casa::PixelCanvas.

Definition at line 507 of file GLPixelCanvas.h.

References glpcctbl_.

virtual void casa::GLPixelCanvas::pixelDensity	(	casacore::Float &	xdpi,
		casacore::Float &	ydpi
	)		const

virtual

Get the pixel density (in dots per inch [dpi]) of the GLPixelCanvas
Tip: The X server is queried; It may or may not have the correct answer;

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::popAttrib ( )

virtual void casa::GLPixelCanvas::popMatrix ( )

virtual

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::postString ( )

inline

Definition at line 639 of file GLPixelCanvas.h.

References log_, and casa::GLLogIO::postString().

void casa::GLPixelCanvas::postToStream ( casacore::Bool p = false )

inline

Definition at line 633 of file GLPixelCanvas.h.

References log_, and casa::GLLogIO::postToStream().

void casa::GLPixelCanvas::postToString ( casacore::String * s = NULL )

inline

Definition at line 636 of file GLPixelCanvas.h.

References log_, and casa::GLLogIO::postToString().

void casa::GLPixelCanvas::pRWbuf	(	const char *	str = `NULL`,
		int	nspaces = `0`
	)

private

void casa::GLPixelCanvas::purgeLists ( )

private

Called when the window is resized or cleared.

Deletes the repaint list.

void casa::GLPixelCanvas::pushAttrib ( const GLbitfield attrib )

OpenGL's push/popAttrib functions.

virtual void casa::GLPixelCanvas::pushMatrix ( )

virtual

save/restore the current translation.

This is called pushMatrix because eventually we may want scaling or rotation to play a modest role here.
Tip: GLPixelCanvas uses OpenGL's push/pop matrix;

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::redraw ( )

inline

(Not Cacheable) Redraw the window

Definition at line 399 of file GLPixelCanvas.h.

References repaint().

virtual void casa::GLPixelCanvas::refresh	(	const Display::RefreshReason &	reason = `Display::UserCommand`,
		const casacore::Bool &	explicitrequest = `true`
	)

virtual

Implements casa::PixelCanvas.

Referenced by autoRefresh().

virtual casacore::Bool casa::GLPixelCanvas::refreshAllowed ( ) const

virtual

return true if refresh is allowed right now...

Reimplemented from casa::PixelCanvas.

Boolean casa::GLPixelCanvas::removeList ( casacore::uInt listid )

private

Remove a display list from list of lists.

Returns true if list was removed. false if listid is invalid or list has already been removed.

void casa::GLPixelCanvas::repaint ( const casacore::Bool redraw = false )

Just redraws window.

(If redraw is T, the window will be redrawn. If F, it will only be redrawn if autoRefresh is T.

Referenced by redraw().

virtual casacore::Bool casa::GLPixelCanvas::resize	(	casacore::uInt	reqXSize,
		casacore::uInt	reqYSize,
		casacore::Bool	doCallbacks = `true`
	)

virtual

(Not Cacheable) resize request.

returns true if window was resized. Will refresh if doCallbacks is true.

Reimplemented from casa::PixelCanvas.

virtual casacore::Bool casa::GLPixelCanvas::resizeColorTable ( casacore::uInt newSize )

virtual

(Not Cacheable) resize the colortable by requesting a new number of cells

Implements casa::PixelCanvas.

virtual casacore::Bool casa::GLPixelCanvas::resizeColorTable	(	casacore::uInt	nReds,
		casacore::uInt	nGreens,
		casacore::uInt	nBlues
	)

virtual

(Not Cacheable) resize the colortable by requesting a new RGB/HSV cube

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::resizeHandler ( )

private

Called when window is resized.

void casa::GLPixelCanvas::resizeList ( )

private

Grow the list.

virtual void casa::GLPixelCanvas::setArcMode ( Display::ArcMode mode )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setBackground ( casacore::uLong color )

virtual

Unimplemented set graphics functions.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setCapStyle ( Display::CapStyle style )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setClearColor ( casacore::uInt colorIndex )

virtual

(Cacheable) Set the color to use for clearing the display

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setClearColor ( const casacore::String & colorname )

virtual

Caution: Setting named colors for Index mode isn't implemented;

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setClearColor	(	float	r,
		float	g,
		float	b
	)

virtual

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::setClearColorIndex	(	casacore::uInt	index,
		const char *	name = `NULL`
	)

private

void casa::GLPixelCanvas::setClearColorValue	(	casacore::uLong	index,
		const char *	name = `NULL`
	)

private

void casa::GLPixelCanvas::setClearColorValue	(	casacore::Float	r,
		casacore::Float	g,
		casacore::Float	b,
		const char *	name = `NULL`
	)

private

void casa::GLPixelCanvas::setClearColorValue	(	casacore::Float	r,
		casacore::Float	g,
		casacore::Float	b,
		casacore::Float	a,
		const char *	name = `NULL`
	)

private

void casa::GLPixelCanvas::setClearColorValue	(	const GLPCColorValue &	v,
		const char *	name = `NULL`
	)

private

Tell OpenGL to use the given color index or RGB value depending on whether we're in Index or RGB mode.

If name is not NULL, wrap the call in the usual begin/endListEntry, tracecheck.

virtual void casa::GLPixelCanvas::setClipWindow	(	casacore::Int	x1,
		casacore::Int	y1,
		casacore::Int	x2,
		casacore::Int	y2
	)

virtual

(Cacheable) Setup the clip window.

The clip window, when enabled, allows a user to clip all graphics output to a rectangular region on the screen.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setColor ( casacore::uInt colorIndex )

virtual

(Cacheable) Set current color (works in RGB or colormap mode)

Tip: setColor(colorIndex) when called in RGB mode gets the RGB values from the virtual color table; setForeground assumes the value is a packed pixel;

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setColor ( const casacore::String & colorname )

virtual

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::setCurrentColorIndex	(	casacore::uInt	index,
		const char *	name = `NULL`
	)

private

index is always treated as an index.

(In RGB mode, the virtual color table is used.

void casa::GLPixelCanvas::setCurrentColorValue	(	casacore::uLong	value,
		const char *	name = `NULL`
	)

private

void casa::GLPixelCanvas::setCurrentColorValue	(	casacore::Float	r,
		casacore::Float	g,
		casacore::Float	b,
		const char *	name = `NULL`
	)

private

void casa::GLPixelCanvas::setCurrentColorValue	(	casacore::Float	r,
		casacore::Float	g,
		casacore::Float	b,
		casacore::Float	a,
		const char *	name = `NULL`
	)

private

void casa::GLPixelCanvas::setCurrentColorValue	(	const GLPCColorValue &	v,
		const char *	name = `NULL`
	)

private

virtual void casa::GLPixelCanvas::setDeviceBackgroundColor ( const casacore::String colorname )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setDeviceForegroundColor ( const casacore::String colorname )

virtual

Get/set the current foreground/background colors.

These colors should be used when the special Strings "foreground" and "background" are given for a color.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setDrawBuffer ( Display::DrawBuffer buf )

virtual

(Not cacheable) set the draw buffer
Caution: The draw buffer is always set to BACK if double buffered and FRONT if single buffered;

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setDrawFunction ( Display::DrawFunction function )

virtual

Set Graphics Attributes Options for functions with enum argument listed in DisplayEnums.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setFillRule ( Display::FillRule rule )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setFillStyle ( Display::FillStyle style )

virtual

Implements casa::PixelCanvas.

virtual casacore::Bool casa::GLPixelCanvas::setFont ( const casacore::String & fontName )

virtual

(Cacheable) Set the font to the recognizable font name.

(unimplemented)

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setForeground ( casacore::uLong color )

virtual

Set Graphics Attributes Options for functions with enum argument listed in DisplayEnums.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setImageCacheStrategy ( Display::ImageCacheStrategy strategy )

virtual

Control the image-caching strategy.

(Ignored)

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setJoinStyle ( Display::JoinStyle style )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setLineStyle ( Display::LineStyle style )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::setLineWidth ( casacore::Float width )

virtual

virtual void setLineWidth(casacore::uInt width) = 0;

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::setPcctbl ( PixelCanvasColorTable * pcctbl )

inlinevirtual

Implements casa::PixelCanvas.

Definition at line 511 of file GLPixelCanvas.h.

References glpcctbl_.

void casa::GLPixelCanvas::setPointSize ( const casacore::uInt pointsize )

(cacheable) Change the size of the points (in pixels) drawn by drawPoints.

virtual void casa::GLPixelCanvas::setRGBColor	(	float	r,
		float	g,
		float	b
	)

virtual

Caution: Calling setRGBColor when in Index mode ignores r, g & b and uses the current index value;

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::storeColorIndex	(	GLPCColorValue &	v,
		casacore::uInt	index
	)

private

If RGB mode, index is interpreted as an index into the virtual CT.

void casa::GLPixelCanvas::storeColorValue	(	GLPCColorValue &	v,
		casacore::uLong	value
	)

private

Store the new value in the struct.

If RGB mode, index is interpreted as a packed RGB value.

void casa::GLPixelCanvas::storeColorValue	(	GLPCColorValue &	v,
		casacore::Float	r,
		casacore::Float	g,
		casacore::Float	b
	)

private

void casa::GLPixelCanvas::storeColorValue	(	GLPCColorValue &	v,
		casacore::Float	r,
		casacore::Float	g,
		casacore::Float	b,
		casacore::Float	a
	)

private

virtual casacore::Bool casa::GLPixelCanvas::supportsLists ( )

virtual

Does this canvas support cached display lists? The user of the canvas should always check this, because undefined behaviour can result when an attempt is made to use a list on a PixelCanvas which does not support lists.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::swapBuffers ( )

virtual

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::swapBuffers	(	casacore::Int	x1,
		casacore::Int	y1,
		casacore::Int	x2,
		casacore::Int	y2
	)

virtual

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::trace ( Boolean trace )

inline

Tracing support.

May be useful when debugging graphics code.

Turn tracing on/off.

Definition at line 619 of file GLPixelCanvas.h.

References trace_.

void casa::GLPixelCanvas::traceCheck	(	const char *	name,
		casacore::uLong	traceLevel,
		casacore::uInt	nspaces
	)

private

Print <name> if tracing is turned on.

Most user callable drawing routines call this.

Referenced by traceCheck().

void casa::GLPixelCanvas::traceCheck	(	const char *	name,
		casacore::uLong	traceLevel
	)

inlineprivate

Definition at line 723 of file GLPixelCanvas.h.

References nspaces_, and traceCheck().

void casa::GLPixelCanvas::traceLevel ( const casacore::uLong traceLevel )

inline

Set trace level.

(actually a mask). default is GLTraceNormal. NOT fully implemented.

Definition at line 627 of file GLPixelCanvas.h.

References traceLevel(), and traceLevel_.

casacore::uLong casa::GLPixelCanvas::traceLevel ( ) const

inline

Definition at line 630 of file GLPixelCanvas.h.

References traceLevel_.

Referenced by traceLevel().

Boolean casa::GLPixelCanvas::tracing ( ) const

inline

Definition at line 622 of file GLPixelCanvas.h.

References trace_.

virtual void casa::GLPixelCanvas::translate	(	casacore::Int	xt,
		casacore::Int	yt
	)

virtual

translation functions translate applies a relative translation to the current matrix and can be used to position graphics.

Together with pushMatrix and popMatrix it can be used to build heirarchical scenes.

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::translateAllLists	(	casacore::Int	xt,
		casacore::Int	yt
	)

virtual

translate all lists

Implements casa::PixelCanvas.

virtual void casa::GLPixelCanvas::translateList	(	casacore::uInt	list,
		casacore::Int	xt,
		casacore::Int	yt
	)

virtual

translate the list

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::unimplemented	(	const char *	routine,
		const SourceLocation *	where
	)		const

private

virtual casacore::Bool casa::GLPixelCanvas::validList ( casacore::uInt list )

virtual

return true if the list exists

Implements casa::PixelCanvas.

void casa::GLPixelCanvas::waitGL ( )

void casa::GLPixelCanvas::waitX ( )

Wait for X or GL commands to finish.

Usually not needed.

void casa::GLPixelCanvas::warn	(	const char *	routine,
		const char *	msg,
		const SourceLocation *	where
	)		const

private

Routines to print warnings.

virtual casacore::uInt casa::GLPixelCanvas::width ( ) const

virtual

Return the width of the GLPixelCanvas in pixels.

Implements casa::PixelCanvas.

virtual casacore::Int casa::GLPixelCanvas::xTranslation ( ) const

virtual

Implements casa::PixelCanvas.

virtual casacore::Int casa::GLPixelCanvas::yTranslation ( ) const

virtual

Implements casa::PixelCanvas.

Member Data Documentation

Boolean casa::GLPixelCanvas::autoRefresh_

private

Definition at line 832 of file GLPixelCanvas.h.

Referenced by autoRefresh().

casacore::uInt casa::GLPixelCanvas::BlackPixel_

private

Definition at line 790 of file GLPixelCanvas.h.

GLbitfield casa::GLPixelCanvas::bufferMask_

private

Definition at line 797 of file GLPixelCanvas.h.

GLPCColorValue casa::GLPixelCanvas::clearColor_

private

Clear color.

Definition at line 808 of file GLPixelCanvas.h.

casacore::Int casa::GLPixelCanvas::clipX1_

private

Definition at line 802 of file GLPixelCanvas.h.

casacore::Int casa::GLPixelCanvas::clipX2_

private

Definition at line 803 of file GLPixelCanvas.h.

casacore::Int casa::GLPixelCanvas::clipY1_

private

Definition at line 802 of file GLPixelCanvas.h.

casacore::Int casa::GLPixelCanvas::clipY2_

private

Definition at line 803 of file GLPixelCanvas.h.

GLXContext casa::GLPixelCanvas::context_

private

Definition at line 796 of file GLPixelCanvas.h.

GLPCColorValue casa::GLPixelCanvas::currentColor_

private

Current color.

Definition at line 806 of file GLPixelCanvas.h.

GLPCDisplayListElement* casa::GLPixelCanvas::currentElement_

private

Definition at line 826 of file GLPixelCanvas.h.

casacore::uInt casa::GLPixelCanvas::currentListID_

private

Definition at line 824 of file GLPixelCanvas.h.

casacore::uInt casa::GLPixelCanvas::depth_

private

Definition at line 800 of file GLPixelCanvas.h.

::XDisplay* casa::GLPixelCanvas::display_

private

Definition at line 784 of file GLPixelCanvas.h.

GLPCDisplayList** casa::GLPixelCanvas::dlists_

private

Definition at line 825 of file GLPixelCanvas.h.

Boolean casa::GLPixelCanvas::doClipping_

private

Definition at line 801 of file GLPixelCanvas.h.

casacore::Bool casa::GLPixelCanvas::doubleBuffered_

private

GL information.

Definition at line 792 of file GLPixelCanvas.h.

Referenced by doubleBuffered().

Widget casa::GLPixelCanvas::drawArea_

private

Definition at line 787 of file GLPixelCanvas.h.

Boolean casa::GLPixelCanvas::exposeHandlerFirstTime_

private

Definition at line 813 of file GLPixelCanvas.h.

Display::FillStyle casa::GLPixelCanvas::fillStyle_

private

Definition at line 811 of file GLPixelCanvas.h.

Widget casa::GLPixelCanvas::form_

private

Definition at line 786 of file GLPixelCanvas.h.

GLPixelCanvasColorTable* casa::GLPixelCanvas::glpcctbl_

private

Definition at line 795 of file GLPixelCanvas.h.

Referenced by glpcctbl(), pcctbl(), and setPcctbl().

casacore::uInt casa::GLPixelCanvas::height_

private

Definition at line 799 of file GLPixelCanvas.h.

casacore::Bool casa::GLPixelCanvas::isRGB_

private

Definition at line 793 of file GLPixelCanvas.h.

Referenced by isRGB().

casacore::uLong casa::GLPixelCanvas::itsComponentHeight_

private

Definition at line 818 of file GLPixelCanvas.h.

casacore::uShort* casa::GLPixelCanvas::itsComponents_

private

Component / multi-channel buffers etc.

Definition at line 815 of file GLPixelCanvas.h.

casacore::Float casa::GLPixelCanvas::itsComponentScaleX_

private

Definition at line 817 of file GLPixelCanvas.h.

casacore::Float casa::GLPixelCanvas::itsComponentScaleY_

private

Definition at line 817 of file GLPixelCanvas.h.

casacore::uLong casa::GLPixelCanvas::itsComponentWidth_

private

Definition at line 818 of file GLPixelCanvas.h.

casacore::Float casa::GLPixelCanvas::itsComponentX_

private

Definition at line 816 of file GLPixelCanvas.h.

casacore::Float casa::GLPixelCanvas::itsComponentY_

private

Definition at line 816 of file GLPixelCanvas.h.

casacore::Float casa::GLPixelCanvas::itsComponentZ_

private

Definition at line 816 of file GLPixelCanvas.h.

Referenced by bufferZValue().

casacore::String casa::GLPixelCanvas::itsDeviceBackgroundColor_

private

Definition at line 804 of file GLPixelCanvas.h.

casacore::String casa::GLPixelCanvas::itsDeviceForegroundColor_

private

Definition at line 804 of file GLPixelCanvas.h.

Display::LineStyle casa::GLPixelCanvas::lineStyle_

private

Definition at line 810 of file GLPixelCanvas.h.

casacore::uInt casa::GLPixelCanvas::listSize_

private

Display lists.

Definition at line 820 of file GLPixelCanvas.h.

GLLogIO casa::GLPixelCanvas::log_

mutableprivate

Definition at line 831 of file GLPixelCanvas.h.

Referenced by postString(), postToStream(), and postToString().

casacore::uInt casa::GLPixelCanvas::nextfree_

private

Definition at line 822 of file GLPixelCanvas.h.

casacore::uInt casa::GLPixelCanvas::nspaces_

private

Definition at line 830 of file GLPixelCanvas.h.

Referenced by traceCheck().

casacore::uInt casa::GLPixelCanvas::numinuse_

private

Definition at line 821 of file GLPixelCanvas.h.

Widget casa::GLPixelCanvas::parent_

private

Definition at line 785 of file GLPixelCanvas.h.

casacore::uInt casa::GLPixelCanvas::sizeincr_

private

Definition at line 823 of file GLPixelCanvas.h.

Boolean casa::GLPixelCanvas::trace_

private

Definition at line 828 of file GLPixelCanvas.h.

Referenced by trace(), and tracing().

casacore::uLong casa::GLPixelCanvas::traceLevel_

private

Definition at line 829 of file GLPixelCanvas.h.

Referenced by traceLevel().

Visual* casa::GLPixelCanvas::visual_

private

Definition at line 789 of file GLPixelCanvas.h.

XVisualInfo* casa::GLPixelCanvas::visualInfo_

private

Definition at line 788 of file GLPixelCanvas.h.

casacore::uInt casa::GLPixelCanvas::width_

private

Definition at line 798 of file GLPixelCanvas.h.

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

casa/code/display/Display/GLPixelCanvas.h

Classes

Public Member Functions

Static Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Intended use:

Prerequisite

Synopsis

Thrown Exceptions

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation