/**
* Create an pointing marker, ie a pin on a board
*
* @param int $deltaX The the X offset from the real 'data' point
* @param int $deltaY The the Y offset from the real 'data' point
* @param Marker &$markerEnd The ending marker that represents 'the head of
* the pin'
*/
function Image_Graph_Marker_Pointing($deltaX, $deltaY, &$markerEnd)
{
parent::__construct();
$this->_deltaX = $deltaX;
$this->_deltaY = $deltaY;
$this->_markerStart = null;
$this->_markerEnd =& $markerEnd;
}
/**
* Create a value marker, ie a box containing the value of the 'pointing
* data'
*
* @param int $useValue Defines which value to use from the dataset, i.e. the
* X or Y value
*/
function Image_Graph_Marker_Value($useValue = IMAGE_GRAPH_VALUE_X)
{
parent::__construct();
$this->_padding = array('left' => 2, 'top' => 2, 'right' => 2, 'bottom' => 2);
$this->_useValue = $useValue;
$this->_fillStyle = 'white';
$this->_borderStyle = 'black';
}
/**
* Create an pointing marker, ie a pin on a board
*
* @param int $deltaX The the X offset from the real 'data' point
* @param int $deltaY The the Y offset from the real 'data' point
* @param Marker $markerEnd The ending marker that represents 'the head of
* the pin'
*/
function __construct($deltaX, $deltaY, &$markerEnd)
{
parent::__construct();
$this->_deltaX = $deltaX;
$this->_deltaY = $deltaY;
$this->_markerStart = null;
$this->_markerEnd =& $markerEnd;
}
/**
* Create a value marker, ie a box containing the value of the "pointing data"
* @param int $useValue Defines which value to use from the dataset, ie the X or Y value
*/
function &Image_Graph_Marker_Value($useValue = IMAGE_GRAPH_VALUE_X)
{
parent::__construct();
$this->_padding = 2;
$this->_useValue = $useValue;
$this->setFont($GLOBALS['_Image_Graph_font']);
$this->_fillStyle = IMAGE_GRAPH_WHITE;
$this->_borderStyle = IMAGE_GRAPH_BLACK;
}
/**
* Create an icon marker
*
* @param string $filename The filename of the icon
* @param int $width The 'new' width of the icon if it is to be resized
* @param int $height The 'new' height of the icon if it is to be resized
*/
function Image_Graph_Marker_Icon($filename, $width = 0, $height = 0)
{
parent::__construct();
$this->_filename = $filename;
}
/**
* Create an icon marker
*
* @param string $filename The filename of the icon
* @param int $width The 'new' width of the icon if it is to be resized
* @param int $height The 'new' height of the icon if it is to be resized
*/
function __construct($filename, $width = 0, $height = 0)
{
parent::__construct();
$this->_filename = $filename;
}
