Main Page Class Hierarchy Compound List File List Compound Members File Members

Txq2dCanvas Class Reference

The Txq2dCanvas creates a QWidget to be used for drawing TxqDrawable objects. More...

#include <Txq2dCanvas.h>

Inheritance diagram for Txq2dCanvas::

Public Slots
void	zoomIn (QPoint p)
	slot to zoom in the canvas invoked by the Zoom in menu item. More...
void	zoomOut ()
	slot to zoom out the canvas invoked by the Zoom out menu item. More...
void	setSize (QSize s)
	Set the size values. More...
void	resizeCanvas (QSize newSize)
	resize the canvas. More...
void	setPlotAttribs (TxqPlotAttribs *p)
	Set the plot attributes. More...
void	updatePlotAttribs (TxqPlotAttribs *p)
	update the plot attributes with new values. More...
Signals
void	mouseClick (double, double)
	The clicked signal is emitted whenever the mouse is pressed in the plot widget. More...
void	mouseSelectPoint (double, double)
	The mouseSelectPoint signal is emitted whenever the mouse is pressed in the canvas widget and zoom is set to none. More...
void	mouseClick ()
	The clicked signal is emitted whenever the mouse is pressed in the plot widget. More...
void	mouseClick (QMouseEvent *)
	The clicked signal is emitted whenever the mouse is pressed in the plot widget. More...
void	mouseClick (QPoint)
	The clicked signal is emitted whenever the mouse is pressed in the plot widget. More...
void	mouseRightClick ()
	The signal is emitted whenever the right mouse button is pressed in the plot widget. More...
void	mouseMiddleClick (int x, int y)
	The signal is emitted whenever the middle mouse button is pressed in the plot widget. More...
void	mouseMiddleClick (QPoint)
void	newData ()
	The signal newData() is emitted whenever data is added to the plot, This is useful for linking updates to the plot to other events. More...
void	resizeCanvasSignal ()
	The resizeCanvas() signal is emitted whenever the canvas is resized. More...
void	zoomOutSignal ()
	The zoomOutSignal is emitted whenever the zoom is finished. More...
void	clearPixmapSignal ()
	The clearPixmapSignal is emitted whenever the clearPixmap is invoked. More...
Public Methods
	Txq2dCanvas (QWidget parent=0, const char nm=0)
	The constructor for a Txq2dCanvas. More...
virtual	~Txq2dCanvas ()
	The desctructor. More...
TxqViewPort*	getView ()
	Get the viewport pointer. More...
double	getXmin ()
	get the X minimum value of the plot region. More...
double	getXmax ()
	get the X maximum value of the plot region. More...
double	getYmin ()
	get the Y minimum value of the plot region. More...
double	getYmax ()
	get the Y maximum value of the plot region. More...
double	pixelToX (const QPoint &p)
	Convert the pixel to the plot x value. More...
double	pixelToY (const QPoint &p)
	Convert the pixel to the plot y value. More...
QPoint	xyToPixel (double x, double y)
	Convert the x,y plot cordinates to a screen pixel point. More...
short	xToPixel (double x)
	Convert the x coordinate on the plot to a x pixel value. More...
short	yToPixel (double y)
	Convert the y coordinate on the plot to a y pixel value. More...
void	drawPixmap ()
	Draw the pixmap to the screen using bit blt transfer from a QPixmap. More...
void	drawPixmap (QPixmap *pm)
	Draws this pixmap to the screen using bit blt's. More...
void	setXmin (double val)
	set the X minimum value of the plot region. More...
void	setXmax (double val)
	set the X maximum value of the plot region. More...
void	setYmin (double val)
	set the Y minimum value of the plot region. More...
void	setYmax (double val)
	set the Y maximum value of the plot region. More...
void	setRange (double plxmin, double plymin, double plxmax, double plymax)
	set the x and y range. More...
void	setPlotRegion (int x, int y, int width, int height)
	set the plot region This method will set the plot region to a specified size which cannot be resized, ie the x,y location will stay fixed as well as the width and height. More...
void	setPlotBorder (double percent)
	Set the plot border percent The plot will always be centered if a resize event occurs. More...
void	setPlotBorder (int left=0, int bottom=0, int right=0, int top=0)
	Set the plot border The plot will not be centered but can be resized. More...
void	setPixmapColor (QColor qcolor)
	set the pixmap color from a QColor. More...
void	setColor (QColor color)
	set the pixmap color. More...
void	setPixmapColor (int i)
	set the pixmap color from an index. More...
QColor	getPixmapColor ()
	get the pixmap color. More...
QColor	getColor ()
	get the pixmap color. More...
void	clearPixmap ()
	clears the pixmap. More...
void	setPixmap (QPixmap *newPixmap)
	Set the pixmap with the new pixmap pointer. More...
QPixmap*	getPixmap ()
	get the current pixmap. More...
QSize	getPixmapSize ()
	get the pixmap size. More...
void	setCache (bool isCache)
	Set the cache bool value. More...
void	addMouseClickListener ()
	add a mouseClick listener to listen for canvas clicks. More...
void	add (TxqDrawable *drawAble)
	add the canvas drawables. More...
void	add (Txq2dAxis *axis)
	add the Txq2dAxis. More...
void	add (TxqAxis *axis)
	Overload the add method from the base class to remove compiler warnings. More...
void	remove (TxqAxis *axis)
	remove the canvas axis. More...
void	remove (TxqDrawable *d)
	Forward the overloaded method to prevent compiler warnings. More...
void	remove ()
	remove all axes. More...
void	setCrossHairCursor (bool cross)
	Set the cross hair cursor. More...
void	setScale (int xscale, int yscale)
	Set the scale 0 is linear 1 is log. More...
Txq2dAxis*	getXaxis ()
	Get the X-axis object contained in the canvas. More...
Txq2dAxis*	getYaxis ()
	Get the Y-axis object contained in the canvas. More...
bool	hasXaxis ()
	determines if an X-axis is present. More...
bool	hasYaxis ()
	determines if an Y-axis is present. More...
void	setTitleLabel (QString lablel)
	Set the title label. More...
void	setTitleLabel (QString lablel, double xpos, double ypos)
	Set the title label. More...
QString	getTitleLabel ()
	Get the title label. More...
void	setTitleLabelFont (QFont f)
	Set the title label font. More...
QFont	getTitleLabelFont ()
	Get the title label font. More...
void	setTitleLabelColor (QColor c)
	Set the title label color. More...
QColor	getTitleLabelColor ()
	Get the title label color. More...
void	setZoom (int z)
	Set the zoom option value, ZOOM_IN or ZOOM_OUT. More...
void	dump (QTextStream *ts)
	dump the Txq2dDrawable contents to a QTextStream. More...
Public Attributes
TxqViewPort*	view
	The view port. More...
Txq2dLabel	titleLabel
	the title label of the canvas. More...
int	titleHalfW
	the half width of the title. More...
double	titleHeight
	the title height. More...
bool	hasTitleLabel
	true if the canvas title has been set. More...
Protected Methods
QSize	sizeHint () const
	the size hint overloaded method. More...
void	paintEvent (QPaintEvent *g)
	The paint event for the Txq2dCanvas. More...
void	resizeEvent (QResizeEvent *)
	the Resize event. More...
void	closeEvent (QCloseEvent *)
	the close event. More...
void	mousePressEvent (QMouseEvent *)
	mouse event pressed method Txq2dCanvas reimplements mousePressEvent so that the mouseClick() signal is emmited with the plot coordinates of the mouseEvent. More...
void	mouseMoveEvent (QMouseEvent *)
	mouse move method Txq2dCanvas reimplements mouseMoveEvent so that a rectangle can be drawn if the middle mouse button is pushed. More...
void	mouseReleaseEvent (QMouseEvent *)
	mouse release method Txq2dCanvas reimplements the mouseReleaseEvent to reset flags. More...
Protected Attributes
QPixmap*	pixmap
	The pixmap. More...
QPixmap*	clearpm
	A black pixmap. More...
QPixmap*	cachepm
	The cache pixmap. More...
Private Methods
void	setAxes (double xmin, double ymin, double xmax, double ymax)
	Set the axes min and max values. More...
Private Attributes
QColor	color
	the pixmap color. More...
int	numColors
	Number of colors. More...
std::vector<QColor>	colors
	The color list. More...
int	currentColor
	The index to the current color. More...
TxqClickListener	l
	The click listner. More...
TxqLogViewPort*	logView
	The log view port. More...
TxqLinLogViewPort*	linlogView
	The X-linear Y-log view port. More...
TxqLogLinViewPort*	loglinView
	The X-log Y-linear view port. More...
TxqLinViewPort*	linView
	The linear view port. More...
TxqLinViewPort*	titleView
	The title view port. More...
bool	noRange
	bool flag to determine if the range has been set. More...
double	widthPercent
	the widht percentage of the plot region This is needed for resizing. More...
double	heightPercent
	the height percentages of the plot region This is for resizing. More...
int	plotBorderLeft
	The pixel length for the left border. More...
int	plotBorderRight
	The pixel length for the right border. More...
int	plotBorderTop
	The pixel length for the top border. More...
int	plotBorderBottom
	The pixel length for the bottom border. More...
bool	plotBorderPercent
	true if the plot border has been specified via a percentage. More...
bool	plotBorderPixel
	true if the plot border has been specified with pixel number. More...
bool	plotBorderRegion
	true if the plot border setPlotBorderRegion has been set. More...
bool	caching
	true if caching. More...
bool	newCache
	true if need to generate new cache pixmap. More...
bool	isXaxis
	true if an X-axis is present. More...
bool	isYaxis
	true if an Y-axis is present. More...
Txq2dAxis*	xAxis
	The X-axis contained within the canvas. More...
Txq2dAxis*	yAxis
	The Y-axis contained within the canvas. More...
bool	hasTitleLocation
	true if the canvas title location has been set. More...
QFont	titleLabelFont
	the font for the title label. More...
QColor	titleLabelColor
	the color of the title label. More...
bool	mouseDown
	true if the mouse button is down. More...
int	mx
	the mouse middle start positions. More...
int	my
	the mouse middle start positions. More...
double	xmin
	the canvas range xmin value. More...
double	xmax
	the canvas range xmax value. More...
double	ymin
	the canvas range ymin value. More...
double	ymax
	the canvas range ymax value. More...
int	zoom
	the zoom type. More...
bool	crossHair
	the cross hair boolean flag true if using cross hair. More...
std::vector<double>	vxmin
	vector to hold the zoom xmin values. More...
std::vector<double>	vxmax
	vector to hold the zoom xmax values. More...
std::vector<double>	vymin
	vector to hold the zoom ymin values. More...
std::vector<double>	vymax
	vector to hold the zoom ymax values. More...
int	vIndex
	the current vector index of the zoom values. More...
int	myWidth
	the width of this canvas. More...
int	myHeight
	the height of this canvas. More...
bool	painted
	A paint bool to determine if canvas has been painted. More...

Detailed Description

The Txq2dCanvas creates a QWidget to be used for drawing TxqDrawable objects.

Author:: Kelly G. Luetkemeyer

Version:

Id:: Txq2dCanvas.h,v 1.8 2002/01/04 20:13:39 kgl Exp

Definition at line 65 of file Txq2dCanvas.h.

Constructor & Destructor Documentation

Txq2dCanvas::Txq2dCanvas ( QWidget * parent = 0,

const char * nm = 0 )

The constructor for a Txq2dCanvas.

Parameters:

parent the parent widget defaulted to null

nm the name for the widget defaulted to null

Txq2dCanvas::~Txq2dCanvas ( ) [virtual]

The desctructor.

Member Function Documentation

void Txq2dCanvas::add ( TxqAxis * axis ) [inline, virtual]

Overload the add method from the base class to remove compiler warnings.
Adds the TxqAxis
Parameters:

axis the TxqAxis pointer to add.

Reimplemented from TxqCanvas.
Definition at line 343 of file Txq2dCanvas.h.

void Txq2dCanvas::add ( Txq2dAxis * axis )

add the Txq2dAxis.

Parameters:

axis the Txq2dAxis pointer to add.

void Txq2dCanvas::add ( TxqDrawable * drawAble ) [virtual]

add the canvas drawables.

Parameters:

drawAble the drawAble pointer to add to the canvas.

Reimplemented from TxqCanvas.

void Txq2dCanvas::addMouseClickListener ( )

add a mouseClick listener to listen for canvas clicks.

void Txq2dCanvas::clearPixmap ( )

clears the pixmap.

void Txq2dCanvas::clearPixmapSignal ( ) [signal]

The clearPixmapSignal is emitted whenever the clearPixmap is invoked.

void Txq2dCanvas::closeEvent ( QCloseEvent * ) [protected]

the close event.

void Txq2dCanvas::drawPixmap ( QPixmap * pm )

Draws this pixmap to the screen using bit blt's.

Parameters:

pm the QPixmap pointer to use

void Txq2dCanvas::drawPixmap ( )

Draw the pixmap to the screen using bit blt transfer from a QPixmap.

void Txq2dCanvas::dump ( QTextStream * ts )

dump the Txq2dDrawable contents to a QTextStream.

Parameters:

ts the QTextStream to dump the contents.

QColor Txq2dCanvas::getColor ( ) [inline]

get the pixmap color.

Returns:
the color of the pixmap

Definition at line 284 of file Txq2dCanvas.h.

QPixmap * Txq2dCanvas::getPixmap ( ) [inline]

get the current pixmap.

Returns:
the current pixmap

Definition at line 306 of file Txq2dCanvas.h.

QColor Txq2dCanvas::getPixmapColor ( ) [inline]

get the pixmap color.

Returns:
the color of the pixmap

Definition at line 276 of file Txq2dCanvas.h.
Referenced by getColor().

QSize Txq2dCanvas::getPixmapSize ( ) [inline]

get the pixmap size.

Returns:
the pixmap size

Definition at line 312 of file Txq2dCanvas.h.

QString Txq2dCanvas::getTitleLabel ( )

Get the title label.

Returns:
the title label

QColor Txq2dCanvas::getTitleLabelColor ( )

Get the title label color.

Returns:
the title label color

QFont Txq2dCanvas::getTitleLabelFont ( )

Get the title label font.

Returns:
the title label font

TxqViewPort * Txq2dCanvas::getView ( ) [inline]

Get the viewport pointer.

Returns:
the TxqViewPort of the canvas.

Definition at line 87 of file Txq2dCanvas.h.

Txq2dAxis * Txq2dCanvas::getXaxis ( ) [inline]

Get the X-axis object contained in the canvas.

Returns:
the Txq2dAxis pointer.

Definition at line 382 of file Txq2dCanvas.h.

double Txq2dCanvas::getXmax ( ) [inline]

get the X maximum value of the plot region.

Returns:
the value for the right edge of the plot.

Definition at line 101 of file Txq2dCanvas.h.

double Txq2dCanvas::getXmin ( ) [inline]

get the X minimum value of the plot region.

Returns:
the value for the left edge of the plot.

Definition at line 94 of file Txq2dCanvas.h.

Txq2dAxis * Txq2dCanvas::getYaxis ( ) [inline]

Get the Y-axis object contained in the canvas.

Returns:
the Txq2dAxis pointer.

Definition at line 388 of file Txq2dCanvas.h.

double Txq2dCanvas::getYmax ( ) [inline]

get the Y maximum value of the plot region.

Returns:
the value for the top edge of the plot.

Definition at line 115 of file Txq2dCanvas.h.

double Txq2dCanvas::getYmin ( ) [inline]

get the Y minimum value of the plot region.

Returns:
the value for the bottom edge of the plot.

Definition at line 108 of file Txq2dCanvas.h.

bool Txq2dCanvas::hasXaxis ( )

determines if an X-axis is present.

Returns:
true if the canvas has an X-axis object

bool Txq2dCanvas::hasYaxis ( )

determines if an Y-axis is present.

Returns:
true if the canvas has an Y-axis object

void Txq2dCanvas::mouseClick ( QPoint ) [signal]

The clicked signal is emitted whenever the mouse is pressed in the plot widget.
The QPoint is passed.
Parameters:

the QMouseEvent

void Txq2dCanvas::mouseClick ( QMouseEvent * ) [signal]

The clicked signal is emitted whenever the mouse is pressed in the plot widget.
The QMouseEvent is passed.
Parameters:

the QMouseEvent

void Txq2dCanvas::mouseClick ( ) [signal]

The clicked signal is emitted whenever the mouse is pressed in the plot widget.

void Txq2dCanvas::mouseClick ( double,

double ) [signal]

The clicked signal is emitted whenever the mouse is pressed in the plot widget.
The signal has the values xval and yval of the location of the mouse in plot coordinates.
Parameters:

xval the x plot cordinate

yval the y plot cordinate

void Txq2dCanvas::mouseMiddleClick ( QPoint ) [signal]

void Txq2dCanvas::mouseMiddleClick ( int x,

int y ) [signal]

The signal is emitted whenever the middle mouse button is pressed in the plot widget.

Parameters:

the x location of the mouse

the y location of the mouse

void Txq2dCanvas::mouseMoveEvent ( QMouseEvent * ) [protected]

mouse move method Txq2dCanvas reimplements mouseMoveEvent so that a rectangle can be drawn if the middle mouse button is pushed.

Parameters:

e the QMouseEvent pointer

void Txq2dCanvas::mousePressEvent ( QMouseEvent * ) [protected]

mouse event pressed method Txq2dCanvas reimplements mousePressEvent so that the mouseClick() signal is emmited with the plot coordinates of the mouseEvent.

Parameters:

e the QMouseEvent pointer

void Txq2dCanvas::mouseReleaseEvent ( QMouseEvent * ) [protected]

mouse release method Txq2dCanvas reimplements the mouseReleaseEvent to reset flags.

Parameters:

e the QMouseEvent pointer

void Txq2dCanvas::mouseRightClick ( ) [signal]

The signal is emitted whenever the right mouse button is pressed in the plot widget.

void Txq2dCanvas::mouseSelectPoint ( double,

double ) [signal]

The mouseSelectPoint signal is emitted whenever the mouse is pressed in the canvas widget and zoom is set to none.
The signal has the values xval and yval of the location of the mouse in plot coordinates. This signal is useful for selecting points when the zoom feature is off.
Parameters:

xval the x plot cordinate

yval the y plot cordinate

void Txq2dCanvas::newData ( ) [signal]

The signal newData() is emitted whenever data is added to the plot, This is useful for linking updates to the plot to other events.

void Txq2dCanvas::paintEvent ( QPaintEvent * g ) [protected]

The paint event for the Txq2dCanvas.
This method does all the work to draw all the TxqDrawable objects.
Parameters:

g the paint device

Reimplemented in Txq2dPrintCanvas.

double Txq2dCanvas::pixelToX ( const QPoint & p ) [inline]

Convert the pixel to the plot x value.

Returns:
the plot x coordinate for a given screen pixel p.
Parameters:

p the pixel point.

Definition at line 123 of file Txq2dCanvas.h.

double Txq2dCanvas::pixelToY ( const QPoint & p ) [inline]

Convert the pixel to the plot y value.

Returns:
the plot y coordinate for a given screen pixel p.
Parameters:

p the pixel point.

Definition at line 131 of file Txq2dCanvas.h.

void Txq2dCanvas::remove ( ) [inline, virtual]

remove all axes.

Reimplemented from TxqCanvas.
Definition at line 360 of file Txq2dCanvas.h.

void Txq2dCanvas::remove ( TxqDrawable * d ) [inline, virtual]

Forward the overloaded method to prevent compiler warnings.

Parameters:

d the TxqDrawable pointer to remove.

Reimplemented from TxqCanvas.
Definition at line 355 of file Txq2dCanvas.h.

void Txq2dCanvas::remove ( TxqAxis * axis )

remove the canvas axis.

Parameters:

axis the TxqAxis pointer to remove.

Reimplemented from TxqCanvas.

void Txq2dCanvas::resizeCanvas ( QSize newSize ) [slot]

resize the canvas.

Parameters:

newSize the new size value for the canvas.

void Txq2dCanvas::resizeCanvasSignal ( ) [signal]

The resizeCanvas() signal is emitted whenever the canvas is resized.

void Txq2dCanvas::resizeEvent ( QResizeEvent * ) [protected]

the Resize event.

void Txq2dCanvas::setAxes ( double xmin,

double ymin,

double xmax,

double ymax ) [private]

Set the axes min and max values.

Parameters:

xmin the value for the left edge of the plot.

ymin the value for the bottom edge of the plot.

xmax the value for the right edge of the plot.

ymax the value for the top edge of the plot.

void Txq2dCanvas::setCache ( bool isCache )

Set the cache bool value.
Set to true if caching the axes draws.
Parameters:

isCache the cache bool value

void Txq2dCanvas::setColor ( QColor color ) [inline]

set the pixmap color.

Parameters:

color the color to set the pixmap

Definition at line 260 of file Txq2dCanvas.h.

void Txq2dCanvas::setCrossHairCursor ( bool cross )

Set the cross hair cursor.

Parameters:

cross the bool value for setting the cross hair cursor, true if it is on

void Txq2dCanvas::setPixmap ( QPixmap * newPixmap ) [inline]

Set the pixmap with the new pixmap pointer.

Parameters:

newPixmap the new pixmap to set

Definition at line 297 of file Txq2dCanvas.h.

void Txq2dCanvas::setPixmapColor ( int i ) [inline]

set the pixmap color from an index.

Parameters:

i the color index

Definition at line 268 of file Txq2dCanvas.h.

void Txq2dCanvas::setPixmapColor ( QColor qcolor ) [inline]

set the pixmap color from a QColor.

Parameters:

qcolor the color to set the pixmap

Definition at line 251 of file Txq2dCanvas.h.
Referenced by setColor().

void Txq2dCanvas::setPlotAttribs ( TxqPlotAttribs * p ) [slot]

Set the plot attributes.

Parameters:

p the TxqPlotAttribs pointer to use to set the plot attributes from.

void Txq2dCanvas::setPlotBorder ( int left = 0,

int bottom = 0,

int right = 0,

int top = 0 )

Set the plot border The plot will not be centered but can be resized.
The plot border is designated with the desired number of pixels for each left,bottom,right,top sides. During a resize event, these border pixels will stay fixed. All inputs are defaulted to 0
Parameters:

left the left number of pixels for the border

bottom the bottom number of pixels for the border

right the right number of pixels for the border

top the top number of pixels for the border

void Txq2dCanvas::setPlotBorder ( double percent )

Set the plot border percent The plot will always be centered if a resize event occurs.

Parameters:

percent the percentage desired for the border

void Txq2dCanvas::setPlotRegion ( int x,

int y,

int width,

int height )

set the plot region This method will set the plot region to a specified size which cannot be resized, ie the x,y location will stay fixed as well as the width and height.

Parameters:

x the value for the left edge of the plot.

y the value for the bottom edge of the plot.

width the width of the plot region

height the height of the plot region

void Txq2dCanvas::setRange ( double plxmin,

double plymin,

double plxmax,

double plymax ) [inline]

set the x and y range.

Parameters:

plxmin the value for the left edge of the plot.

plymin the value for the bottom edge of the plot.

plxmax the value for the right edge of the plot.

plymax the value for the top edge of the plot.

Definition at line 205 of file Txq2dCanvas.h.

void Txq2dCanvas::setScale ( int xscale,

int yscale )

Set the scale 0 is linear 1 is log.

Parameters:

xscale the desired xscale

yscale the desired yscale

void Txq2dCanvas::setSize ( QSize s ) [slot]

Set the size values.

Parameters:

s the new size values

void Txq2dCanvas::setTitleLabel ( QString lablel,

double xpos,

double ypos )

Set the title label.

Parameters:

label the title label

xpos the x position of the label

ypos the y position of the label

void Txq2dCanvas::setTitleLabel ( QString lablel )

Set the title label.

Parameters:

label the title label

void Txq2dCanvas::setTitleLabelColor ( QColor c )

Set the title label color.

Parameters:

c the title label color

void Txq2dCanvas::setTitleLabelFont ( QFont f )

Set the title label font.

Parameters:

f the font for the title labels

void Txq2dCanvas::setXmax ( double val ) [inline]

set the X maximum value of the plot region.

Parameters:

val the value for the right edge of the plot.

Definition at line 181 of file Txq2dCanvas.h.

void Txq2dCanvas::setXmin ( double val ) [inline]

set the X minimum value of the plot region.

Parameters:

val the value for the left edge of the plot.

Definition at line 175 of file Txq2dCanvas.h.

void Txq2dCanvas::setYmax ( double val ) [inline]

set the Y maximum value of the plot region.

Parameters:

val the value for the top edge of the plot.

Definition at line 193 of file Txq2dCanvas.h.

void Txq2dCanvas::setYmin ( double val ) [inline]

set the Y minimum value of the plot region.

Parameters:

val the value for the bottom edge of the plot.

Definition at line 187 of file Txq2dCanvas.h.

void Txq2dCanvas::setZoom ( int z )

Set the zoom option value, ZOOM_IN or ZOOM_OUT.

Parameters:

z the zoom option value

QSize Txq2dCanvas::sizeHint ( ) const [protected]

the size hint overloaded method.

void Txq2dCanvas::updatePlotAttribs ( TxqPlotAttribs * p ) [slot]

update the plot attributes with new values.

Parameters:

p the plot attributes are updated with the values from this pointer.

short Txq2dCanvas::xToPixel ( double x ) [inline]

Convert the x coordinate on the plot to a x pixel value.
Larger valued x pixels are to the right on the screen.

Returns:
the x pixel
Parameters:

x the plot coordinate x

Definition at line 149 of file Txq2dCanvas.h.

QPoint Txq2dCanvas::xyToPixel ( double x,

double y ) [inline]

Convert the x,y plot cordinates to a screen pixel point.

Returns:
the screen pixel point
Parameters:

x the plot coordinate x

y the plot coordinate y

Definition at line 140 of file Txq2dCanvas.h.

short Txq2dCanvas::yToPixel ( double y ) [inline]

Convert the y coordinate on the plot to a y pixel value.
Larger valued y pixels are lower on the screen.

Returns:
the y pixel
Parameters:

y the plot coordinate y

Definition at line 158 of file Txq2dCanvas.h.

void Txq2dCanvas::zoomIn ( QPoint p ) [slot]

slot to zoom in the canvas invoked by the Zoom in menu item.

Parameters:

p the mouse location to start to draw the surrounding rectangle.

void Txq2dCanvas::zoomOut ( ) [slot]

slot to zoom out the canvas invoked by the Zoom out menu item.

void Txq2dCanvas::zoomOutSignal ( ) [signal]

The zoomOutSignal is emitted whenever the zoom is finished.

Member Data Documentation

QPixmap * Txq2dCanvas::cachepm [protected]

The cache pixmap.

Definition at line 644 of file Txq2dCanvas.h.

bool Txq2dCanvas::caching [private]

true if caching.

Definition at line 786 of file Txq2dCanvas.h.

QPixmap * Txq2dCanvas::clearpm [protected]

A black pixmap.

Definition at line 639 of file Txq2dCanvas.h.

QColor Txq2dCanvas::color [private]

the pixmap color.

Definition at line 687 of file Txq2dCanvas.h.

std::vector< QColor > Txq2dCanvas::colors [private]

The color list.

Definition at line 697 of file Txq2dCanvas.h.

bool Txq2dCanvas::crossHair [private]

the cross hair boolean flag true if using cross hair.

Definition at line 868 of file Txq2dCanvas.h.

int Txq2dCanvas::currentColor [private]

The index to the current color.

Definition at line 702 of file Txq2dCanvas.h.

bool Txq2dCanvas::hasTitleLabel

true if the canvas title has been set.

Definition at line 482 of file Txq2dCanvas.h.

bool Txq2dCanvas::hasTitleLocation [private]

true if the canvas title location has been set.

Definition at line 820 of file Txq2dCanvas.h.

double Txq2dCanvas::heightPercent [private]

the height percentages of the plot region This is for resizing.

Definition at line 749 of file Txq2dCanvas.h.

bool Txq2dCanvas::isXaxis [private]

true if an X-axis is present.

Definition at line 796 of file Txq2dCanvas.h.

bool Txq2dCanvas::isYaxis [private]

true if an Y-axis is present.

Definition at line 801 of file Txq2dCanvas.h.

TxqClickListener Txq2dCanvas::l [private]

The click listner.

Definition at line 707 of file Txq2dCanvas.h.

TxqLinViewPort * Txq2dCanvas::linView [private]

The linear view port.

Definition at line 727 of file Txq2dCanvas.h.

TxqLinLogViewPort * Txq2dCanvas::linlogView [private]

The X-linear Y-log view port.

Definition at line 717 of file Txq2dCanvas.h.

TxqLogViewPort * Txq2dCanvas::logView [private]

The log view port.

Definition at line 712 of file Txq2dCanvas.h.

TxqLogLinViewPort * Txq2dCanvas::loglinView [private]

The X-log Y-linear view port.

Definition at line 722 of file Txq2dCanvas.h.

Txq2dCanvas Class Reference

Public Slots

Signals

Public Methods

Public Attributes

Protected Methods

Protected Attributes

Private Methods

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation