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eZ Components 2009.1

Graph: ezcGraphAxisRotatedLabelRenderer

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Class: ezcGraphAxisRotatedLabelRenderer

Can render axis labels rotated, so that more axis labels fit on one axis. [source]
Produces best results if the axis space was increased, so that more spcae is available below the axis.
1.    $chart->xAxis->axisLabelRenderer = new ezcGraphAxisRotatedLabelRenderer();
2.  
3.    // Define angle manually in degree
4.       $chart->xAxis->axisLabelRenderer->angle = 45;
5.  
6.    // Increase axis space
7.       $chart->xAxis->axisSpace = .2;

Parents

ezcBaseOptions
   |
   --ezcGraphAxisLabelRenderer
      |
      --ezcGraphAxisRotatedLabelRenderer

Properties

float read/write  $angle
Angle of labels on axis in degrees.

Member Variables

protected ezcGraphVector $direction
Store direction for later coordinate modifications
protected float $offset
Store coordinate offset for later coordinate modifications
protected array(ezcGraphStep) $steps
Store step array for later coordinate modifications
protected float $widthModifier
Store coordinate width modifier for later coordinate modifications

Inherited Member Variables

From ezcGraphAxisLabelRenderer:
protected  ezcGraphAxisLabelRenderer::$driver
From ezcBaseOptions:
protected  ezcBaseOptions::$properties

Method Summary

public ezcGraphCoordinate modifyChartDataPosition( $coordinate )
Modify chart data position
public void renderLabels( $renderer, $boundings, $start, $end, $axis, [$innerBoundings = null] )
Render Axis labels

Inherited Methods

From ezcGraphAxisLabelRenderer :
public mixed ezcGraphAxisLabelRenderer::determineLineCuttingPoint()
Checks for the cutting point of two lines.
protected void ezcGraphAxisLabelRenderer::drawGrid()
Draw grid
protected void ezcGraphAxisLabelRenderer::drawNonRectangularGrid()
Draw non-rectangular grid lines grid
protected void ezcGraphAxisLabelRenderer::drawRectangularGrid()
Draw rectangular grid
public void ezcGraphAxisLabelRenderer::drawStep()
Draw single step on a axis
protected array ezcGraphAxisLabelRenderer::getAxisSpace()
Get axis space values
public ezcGraphBoundings ezcGraphAxisLabelRenderer::modifyChartBoundings()
Modify chart boundings
public ezcGraphCoordinate ezcGraphAxisLabelRenderer::modifyChartDataPosition()
Modify chart data position
public abstract void ezcGraphAxisLabelRenderer::renderLabels()
Render Axis labels
From ezcBaseOptions :
public ezcBaseOptions ezcBaseOptions::__construct()
Construct a new options object.
public void ezcBaseOptions::merge()
Merge an array into the actual options object.
public bool ezcBaseOptions::offsetExists()
Returns if an option exists.
public mixed ezcBaseOptions::offsetGet()
Returns an option value.
public void ezcBaseOptions::offsetSet()
Set an option.
public void ezcBaseOptions::offsetUnset()
Unset an option.

Methods

modifyChartDataPosition

ezcGraphCoordinate modifyChartDataPosition( ezcGraphCoordinate $coordinate )
Modify chart data position
Optionally additionally modify the coodinate of a data point

Parameters

Name Type Description
$coordinate ezcGraphCoordinate Data point coordinate

Redefinition of

Method Description
ezcGraphAxisLabelRenderer::modifyChartDataPosition() Modify chart data position

renderLabels

void renderLabels( ezcGraphRenderer $renderer, $boundings, ezcGraphCoordinate $start, ezcGraphCoordinate $end, ezcGraphChartElementAxis $axis, [ $innerBoundings = null] )
Render Axis labels
Render labels for an axis.

Parameters

Name Type Description
$renderer ezcGraphRenderer Renderer used to draw the chart
$boundings ezcGraphBoundings Boundings of the axis
$start ezcGraphCoordinate Axis starting point
$end ezcGraphCoordinate Axis ending point
$axis ezcGraphChartElementAxis Axis instance
$innerBoundings ezcGraphBoundings  

Redefinition of

Method Description
ezcGraphAxisLabelRenderer::renderLabels() Render Axis labels

Last updated: Mon, 29 Jun 2009