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<?php
/**
* File containing the abstract ezcGraphRenderer class
*
* @package Graph
* @version //autogentag//
* @copyright Copyright (C) 2005, 2006 eZ systems as. All rights reserved.
* @license http://ez.no/licenses/new_bsd New BSD License
*/
/**
* Abstract class to transform the basic chart components. To be extended by
* three- and twodimensional renderers.
*
* @package Graph
*/
abstract class ezcGraphRenderer
{
protected $driver;
public function setDriver( ezcGraphDriver $driver )
{
$this->driver = $driver;
}
/**
* Draw a pie segment
*
* @param ezcGraphCoordinate $position
* @param mixed $radius
* @param float $startAngle
* @param float $endAngle
* @param float $moveOut
* @return void
*/
abstract public function drawPieSegment( ezcGraphColor $color, ezcGraphCoordinate $position, $radius, $startAngle = .0, $endAngle = 360., $moveOut = .0 );
/**
* Draw a line
*
* Semantically means a line as a chart element, not a single line like
* the ones used in axes.
*
* @param ezcGraphCoordinate $position
* @param ezcGraphCoordinate $end
* @param mixed $filled
* @return void
*/
abstract public function drawLine( ezcGraphColor $color, ezcGraphCoordinate $position, ezcGraphCoordinate $end, $thickness = 1 );
/**
* Draws a text box
*
* @param ezcGraphCoordinate $position
* @param mixed $text
* @param mixed $width
* @param mixed $height
* @return void
*/
abstract public function drawTextBox( ezcGraphCoordinate $position, $text, $width = null, $height = null, $align = ezcGraph::LEFT );
/**
* Draws a rectangle
*
* @param ezcGraphColor $color
* @param ezcGraphCoordinate $position
* @param mixed $width
* @param mixed $height
* @param float $borderWidth
* @return void
*/
abstract public function drawRect( ezcGraphColor $color, ezcGraphCoordinate $position = null, $width = null, $height = null, $borderWidth = 1 );
/**
* Draw Background
*
* Draws a filled rectangle, used for backgrounds
*
* @param ezcGraphColor $color
* @param ezcGraphCoordinate $position
* @param mixed $width
* @param mixed $height
* @return void
*/
abstract public function drawBackground( ezcGraphColor $color, ezcGraphCoordinate $position = null, $width = null, $height = null );
/**
* Draws BackgrouniImage
*
* @param mixed $file
* @param ezcGraphCoordinate $position
* @param mixed $width
* @param mixed $height
* @return void
*/
abstract public function drawBackgroundImage( $file, ezcGraphCoordinate $position = null, $width = null, $height = null );
/**
* Draws a lines symbol
*
* @param ezcGraphCoordinate $position
* @param float $width
* @param float $height
* @param int $symbol
* @return void
*/
abstract public function drawSymbol( ezcGraphColor $color, ezcGraphCoordinate $position, $width, $height, $symbol = ezcGraph::NO_SYMBOL);
/**
* Draws a single polygon
*
* @param mixed $points
* @param ezcGraphColor $color
* @param mixed $filled
* @return void
*/
public function drawPolygon( array $points, ezcGraphColor $color, $filled = true )
{
$this->driver->drawPolygon( $points, $color, $filled );
}
/**
* Finally renders the image
*
* @param string $file Filename of destination file
* @return void
*/
public function render( $file )
{
$this->driver->render( $file );
}
}
?>
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