ImageOutputStrategy Class Reference

Detailed Description

ImageOutputStrategy outputs a tree of objects into an image file.

It must be configured with a map that was calculated by a LayoutVisitor.

Author

ingo herwig ingo@.nosp@m.wemo.nosp@m.ve.co.nosp@m.m

Definition at line 23 of file ImageOutputStrategy.php.

Inheritance diagram for ImageOutputStrategy:

Public Member Functions
	__construct ($format, $file, $map, $lineType=self::LINETYPE_DIRECT, $scale=100, $aspect=0.5, $border=50, $usemap='')
	writeHeader ()
	writeFooter ()
	writeObject (PersistentObject $obj)

Public Attributes
const	LINETYPE_DIRECT = 0
const	LINETYPE_ROUTED = 0

Protected Member Functions
	drawConnectionLine ($poid, $oid)
	drawDirectLine ($start, $end)
	drawRoutedLine ($start, $end)

Protected Attributes
	$_format = null
	$_file = ''
	$_map = null
	$_img = null
	$_width = 0
	$_height = 0
	$_xscale = 0
	$_yscale = 0
	$_border = 0
	$_bgColor = null
	$_txtColor = null
	$_lineColor = null
	$_labelDim = null
	$_textPos = null
	$_usemap = ''

Constructor & Destructor Documentation

__construct	(		$format,
			$file,
			$map,
			$lineType = self::LINETYPE_DIRECT,
			$scale = 100,
			$aspect = 0.5,
			$border = 50,
			$usemap = ''
	)

Constructor.

Parameters

$format	Image format name [IMG_GIF | IMG_JPG | IMG_PNG | IMG_WBMP].
$file	The output file name.
$map	The position map provided by LayoutVisitor.
$lineType	The linetype to use [LINETYPE_DIRECT|LINETYPE_ROUTED] DEFAULT LINETYPE_DIRECT.
$scale	The image scale (will be xscale) DEFAULT 100.
$aspect	The image aspect (aspect = xscale/yscale) DEFAULT 0.5.
$border	The image border [px] DEFAULT 50.
$usemap	Name of the HTML ImageMap to write to stdout ['' means no map] DEFAULT ''.

Definition at line 55 of file ImageOutputStrategy.php.

Member Function Documentation

writeHeader

(

)

See also

OutputStrategy::writeHeader

Implements OutputStrategy.

Definition at line 85 of file ImageOutputStrategy.php.

writeFooter

(

)

See also

OutputStrategy::writeFooter

Implements OutputStrategy.

Definition at line 111 of file ImageOutputStrategy.php.

writeObject

(

PersistentObject

$obj

)

See also

OutputStrategy::writeObject

Implements OutputStrategy.

Definition at line 133 of file ImageOutputStrategy.php.

drawConnectionLine (   $poid,   $oid  )

protected

Draw connection line.

Parameters

$poid	The parent object's object id.
$oid	The object's object id.

Definition at line 196 of file ImageOutputStrategy.php.

drawDirectLine (   $start,   $end  )

protected

Draw direct line.

Parameters

$start	The start point (Position).
$end	The end point (Position).

Definition at line 211 of file ImageOutputStrategy.php.

drawRoutedLine (   $start,   $end  )

protected

Draw routed line.

Parameters

$start	The start point (Position).
$end	The end point (Position).

Definition at line 225 of file ImageOutputStrategy.php.

Member Data Documentation

const LINETYPE_DIRECT = 0

Definition at line 25 of file ImageOutputStrategy.php.

const LINETYPE_ROUTED = 0

Definition at line 26 of file ImageOutputStrategy.php.

$_format = null

protected

Definition at line 28 of file ImageOutputStrategy.php.

$_file = ''

protected

Definition at line 29 of file ImageOutputStrategy.php.

$_map = null

protected

Definition at line 30 of file ImageOutputStrategy.php.

$_img = null

protected

Definition at line 31 of file ImageOutputStrategy.php.

$_width = 0

protected

Definition at line 32 of file ImageOutputStrategy.php.

$_height = 0

protected

Definition at line 33 of file ImageOutputStrategy.php.

$_xscale = 0

protected

Definition at line 34 of file ImageOutputStrategy.php.

$_yscale = 0

protected

Definition at line 35 of file ImageOutputStrategy.php.

$_border = 0

protected

Definition at line 36 of file ImageOutputStrategy.php.

$_bgColor = null

protected

Definition at line 37 of file ImageOutputStrategy.php.

$_txtColor = null

protected

Definition at line 38 of file ImageOutputStrategy.php.

$_lineColor = null

protected

Definition at line 39 of file ImageOutputStrategy.php.

$_labelDim = null

protected

Definition at line 40 of file ImageOutputStrategy.php.

$_textPos = null

protected

Definition at line 41 of file ImageOutputStrategy.php.

$_usemap = ''

protected

Definition at line 42 of file ImageOutputStrategy.php.