/**
* HorizontalLayout [Constructor]
* @param Image_Graph_Element $part1 The 1st part of the layout
* @param Image_Graph_Element $part2 The 2nd part of the layout
* @param int $percentage The percentage of the layout to split at
*/
function &Image_Graph_Layout_Horizontal(& $part1, & $part2, $percentage = 50)
{
parent::__construct();
$this->_part1 = & $part1;
$this->_part2 = & $part2;
$this->add($this->_part1);
$this->add($this->_part2);
$this->_percentage = max(0, min(100, $percentage));
$this->_split();
$this->_padding = 0;
}
/**
* Create the title.
*
* Pass a Image_Graph_Font object - preferably by-ref (&) as second
* parameter, the font size in pixels or an associated array with some or
* all of the followin keys:
*
* 'size' The size of the title
*
* 'angle' The angle at which to write the title (in degrees or 'vertical')
*
* 'color' The font-face color
*
* @param sting $text The text to represent the title
* @param mixed $fontOptions The font to use in the title
*/
function Image_Graph_Title($text, $fontOptions = false)
{
parent::__construct();
if (is_object($fontOptions)) {
$this->_font =& $fontOptions;
} else {
if (is_array($fontOptions)) {
$this->_fontOptions = $fontOptions;
} else {
$this->_fontOptions['size'] = $fontOptions;
}
}
$this->setText($text);
}
/**
* Image_Graph_Layout_Matrix [Constructor]
*
* @param int $rows The number of rows
* @param int $cols The number of cols
* @param bool $autoCreate Specifies whether the matrix should automatically
* be filled with newly created Image_Graph_Plotares objects, or they will
* be added manually
*/
function __construct($rows, $cols, $autoCreate = true)
{
parent::__construct();
$this->_rows = $rows;
$this->_cols = $cols;
if ($this->_rows > 0 && $this->_cols > 0) {
$this->_matrix = array(array());
for ($i = 0; $i < $this->_rows; $i++) {
for ($j = 0; $j < $this->_cols; $j++) {
if ($autoCreate) {
$this->_matrix[$i][$j] =& $this->addNew('plotarea');
$this->_pushEdges($i, $j);
} else {
$this->_matrix[$i][$j] = false;
}
}
}
}
}
/**
* PlotareaLayout [Constructor]
* @param string $title The plotarea title
* @param string $axisXTitle The title displayed on the X-axis (i.e. at the bottom)
* @param string $axisYTitle The title displayed on the Y-axis (i.e. on the left - vertically)
*/
function &Image_Graph_Layout_Plotarea($title, $axisXTitle, $axisYTitle)
{
parent::__construct();
$this->_plotarea = & new Image_Graph_Plotarea();
return
new Image_Graph_Layout_Horizontal(
new Image_Graph_Title($title, $GLOBALS['_Image_Graph_font']),
new Image_Graph_Layout_Vertical(
new Image_Graph_Title($axisYTitle, $GLOBALS['_Image_Graph_vertical_font']),
new Image_Graph_Layout_Horizontal(
$this->_plotarea,
new Image_Graph_Title($axisXTitle, $GLOBALS['_Image_Graph_font']),
95
),
5
),
10
);
}
/**
* HorizontalLayout [Constructor]
*
* @param Image_Graph_Element $part1 The 1st part of the layout
* @param Image_Graph_Element $part2 The 2nd part of the layout
* @param int $percentage The percentage of the layout to split at
*/
function __construct(&$part1, &$part2, $percentage = 50)
{
parent::__construct();
if (!is_a($part1, 'Image_Graph_Layout')) {
$this->_error('Cannot create layout on non-layouable parts: ' . get_class($part1), array('part1' => &$part1, 'part2' => &$part2));
} elseif (!is_a($part2, 'Image_Graph_Layout')) {
$this->_error('Cannot create layout on non-layouable parts: ' . get_class($part2), array('part1' => &$part1, 'part2' => &$part2));
} else {
$this->_part1 =& $part1;
$this->_part2 =& $part2;
$this->add($this->_part1);
$this->add($this->_part2);
}
if ($percentage === 'auto') {
$this->_percentage = false;
$this->_absolute = 'runtime';
} else {
$this->_absolute = false;
$this->_percentage = max(0, min(100, $percentage));
}
$this->_split();
$this->_padding = array('left' => 0, 'top' => 0, 'right' => 0, 'bottom' => 0);
}
/**
* Image_Graph_Plotarea [Constructor]
*
* @param string $axisX The class of the X axis (if omitted a std. axis is created)
* @param string $axisY The class of the Y axis (if omitted a std. axis is created)
* @param string $direction The direction of the plotarea - 'horizontal' or 'vertical' (default)
*
* @return void
*/
function Image_Graph_Plotarea($axisX = 'Image_Graph_Axis_Category', $axisY = 'Image_Graph_Axis', $direction = 'vertical')
{
parent::__construct();
$this->_padding = array('left' => 5, 'top' => 5, 'right' => 5, 'bottom' => 5);
include_once 'Image/Graph.php';
$this->_axisX =& Image_Graph::factory($axisX, IMAGE_GRAPH_AXIS_X);
$this->_axisX->_setParent($this);
$this->_axisY =& Image_Graph::factory($axisY, IMAGE_GRAPH_AXIS_Y);
$this->_axisY->_setParent($this);
$this->_axisY->_setMinimum(0);
$this->_fillStyle = false;
if ($direction == 'horizontal') {
$this->_horizontal = true;
$this->_axisX->_transpose = true;
$this->_axisY->_transpose = true;
}
}
/**
* Image_Graph_Legend [Constructor]
*/
function Image_Graph_Legend()
{
parent::__construct();
$this->_padding = array('left' => 5, 'top' => 5, 'right' => 5, 'bottom' => 5);
}
/**
* Image_Graph_Plotarea [Constructor]
* @param Image_Graph_Axis $axisX The X axis (if false or omitted a std. axis is created)
* @param Image_Graph_Axis $axisY The Y axis (if false or omitted a std. axis is created)
*/
function &Image_Graph_Plotarea($axisX = false, $axisY = false)
{
parent::__construct();
$this->_padding = 10;
if (($axisX == null) and ($axisX !== false)) {
$this->_axisX = null;
}
elseif ($axisX !== false) {
$this->_axisX = & $axisX;
} else {
$this->_axisX = & new Image_Graph_Axis(IMAGE_GRAPH_AXIS_X);
}
if (is_object($this->_axisX)) {
$this->_axisX->_setParent($this);
}
if (($axisY == null) and ($axisY !== false)) {
$this->_axisY = null;
}
elseif ($axisY !== false) {
$this->_axisY = & $axisY;
} else {
$this->_axisY = & new Image_Graph_Axis(IMAGE_GRAPH_AXIS_Y);
}
if (is_object($this->_axisY)) {
$this->_axisY->_setParent($this);
$this->_axisY->_setMinimum(0);
}
}
/**
* Create the title
* @param sting $text The text to represent the title
* @param Font $font The font to use in the title
*/
function &Image_Graph_Title($text, & $font)
{
parent::__construct();
$this->_font = & $font;
$this->setText($text);
}
/**
* Image_Graph_Legend [Constructor]
*/
function __construct()
{
parent::__construct();
$this->_padding = array('left' => 5, 'top' => 5, 'right' => 5, 'bottom' => 5);
}
