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khosb/includes/pear/Image/docs/examples/driver_pdf.php
2008-11-26 14:50:40 -08:00

198 lines
7.0 KiB
PHP

<?php
/**
* Usage example for Image_Graph.
*
* Main purpose:
* PDF canvas
*
* Other:
* Datapreprocessor, Axis markers
*
* $Id: driver_pdf.php,v 1.3 2005/08/03 21:21:53 nosey Exp $
*
* @package Image_Graph
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
*/
error_reporting(E_ALL);
require_once 'Image/Graph.php';
require_once 'Image/Canvas.php';
$Canvas =& Image_Canvas::factory('pdflib', array('page' => 'A3', 'align' => 'center', 'width' => 600, 'height' => 400));
// create the graph
$Graph =& Image_Graph::factory('graph', $Canvas);
// add a TrueType font
$Font =& $Graph->addNew('font', 'Verdana');
// set the font size to 15 pixels
$Font->setSize(15);
// add a title using the created font
$Dataset_SmoothedLine =& Image_Graph::factory('dataset');
$Dataset_SmoothedLine->addPoint('DK', 6);
$Dataset_SmoothedLine->addPoint('UK', 8);
$Dataset_SmoothedLine->addPoint('PO', 2);
$Dataset_SmoothedLine->addPoint('NL', 4);
$Graph->add(
Image_Graph::vertical(
Image_Graph::factory('title', array('Layout and Legend Sample', &$Font)),
Image_Graph::horizontal(
Image_Graph::vertical(
Image_Graph::horizontal(
Image_Graph::factory('title', array('This is the Y Axis', &$_Image_Graph_verticalFont)),
Image_Graph::vertical(
$Plotarea_BarAndLine = Image_Graph::factory('plotarea'),
Image_Graph::factory('title', array('This is the X Axis', &$_Image_Graph_font)),
95
),
5
),
$Legend_BarAndLine = Image_Graph::factory('legend'),
95
),
Image_Graph::vertical(
Image_Graph::horizontal(
$Plotarea_SmoothedLine = Image_Graph::factory('plotarea'),
$Legend_SmoothedLine = Image_Graph::factory('legend'),
80
),
$Plotarea_Radar = Image_Graph::factory('Image_Graph_Plotarea_Radar')
),
65
),
9
)
);
$Legend_BarAndLine->setPlotarea($Plotarea_BarAndLine);
$Legend_SmoothedLine->setPlotarea($Plotarea_SmoothedLine);
// create a Y grid
$Grid_Radar =& $Plotarea_Radar->addNew('line_grid', IMAGE_GRAPH_AXIS_Y);
$Grid_Radar->setLineColor('lightgrey');
// create a Y grid
$Grid_BarAndLine =& $Plotarea_BarAndLine->addNew('bar_grid', IMAGE_GRAPH_AXIS_Y);
// that is light gray in color
$Grid_BarAndLine->setFillStyle(Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'lightgrey')));
// create a Y grid
$Grid_SmoothedLine =& $Plotarea_SmoothedLine->addNew('line_grid', IMAGE_GRAPH_AXIS_Y);
$Grid_SmoothedLine->setLineColor('lightgrey');
// create the 1st dataset
//$Dataset_SmoothedLine =& new Image_RandomDataset(4, 2, 15, true);
// create the 1st plot as smoothed area chart using the 1st dataset
$Plot_SmoothedLine =& $Plotarea_SmoothedLine->addNew('Image_Graph_Plot_Smoothed_Line', $Dataset_SmoothedLine);
$Plot_SmoothedLine->setLineColor('orange');
// create a 3rd dataset
$Dataset_BarChart =& Image_Graph::factory('random', array(8, 10, 120, false));
// create the 3rd plot as line chart using the 2nd dataset
$Plot_BarChart =& $Plotarea_BarAndLine->addNew('bar', $Dataset_BarChart);
// set the fill style of the barchart to the almost transparent BlueAlpha
$FillArray =& Image_Graph::factory('Image_Graph_Fill_Array');
$Plot_BarChart->setFillStyle($FillArray);
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'red'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'blue'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'yellow'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'green'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'purple'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'orange'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'black'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'brown'));
// create the 2nd dataset
$Dataset_LineMarker =& Image_Graph::factory('random', array(8, 20, 100, false));
// create the 2nd plot as line chart using the 2nd dataset
$Plot_LineMarker =& $Plotarea_BarAndLine->addNew('line', $Dataset_LineMarker);
$Marker =& Image_Graph::factory('Image_Graph_Marker_Array');
$CrossMarker =& Image_Graph::factory('Image_Graph_Marker_Cross');
$CircleMarker =& Image_Graph::factory('Image_Graph_Marker_Circle');
$Marker->add($CrossMarker);
$Marker->add($CircleMarker);
$Plot_LineMarker->setMarker($Marker);
// Create a red line
$CrossMarker->setLineColor('red');
// Create a blue line
$CircleMarker->setLineColor('blue');
// Show arrow heads on the axis
$AxisX =& $Plotarea_BarAndLine->getAxis(IMAGE_GRAPH_AXIS_X);
$AxisY =& $Plotarea_BarAndLine->getAxis(IMAGE_GRAPH_AXIS_Y);
$AxisX->showArrow();
$AxisY->showArrow();
// create an data label array for formatting label data based on an array
$ArrayData =& Image_Graph::factory('Image_Graph_DataPreprocessor_Array',
array(
array(
1=>'A Point',
2=>'Another',
6=>'Yet another'
)
)
);
// use the data label array on the X axis
$AxisX->setDataPreprocessor($ArrayData);
$AxisFontX =& $Graph->addNew('Image_Graph_Font_Vertical');
$AxisX->setFont($AxisFontX);
$Legend_BarAndLine->setFillColor('white');
$Legend_SmoothedLine->setFillColor('white');
$Font2 =& $Graph->addNew('font', 'Verdana');
$Font2->setSize(8);
$Legend_BarAndLine->setFont($Font2);
$Legend_SmoothedLine->setFont($Font2);
$Plot_SmoothedLine->setTitle('Oil');
$Plot_LineMarker->setTitle('Data Set 1');
$Plot_BarChart->setTitle('Data Set 2');
// create the dataset
$Dataset_Radar1 =& Image_Graph::factory('random', array(8, 1, 5));
$Dataset_Radar2 =& Image_Graph::factory('random', array(8, 1, 5));
// create the 1st plot as smoothed area chart using the 1st dataset
$Plot_Radar1 =& $Plotarea_Radar->addNew('Image_Graph_Plot_Radar', $Dataset_Radar1);
$Plot_Radar2 =& $Plotarea_Radar->addNew('Image_Graph_Plot_Radar', $Dataset_Radar2);
//$Dataset_Radar1->setMaximumY(7);
$DataPreprocessor =& Image_Graph::factory('Image_Graph_DataPreprocessor_Array',
array(
array(
'Irrelevance',
'Partly',
'Regular',
'Relevance',
'Something',
'Everything',
'Nothing',
'Irregular'
)
)
);
$AxisX =& $Plotarea_Radar->getAxis(IMAGE_GRAPH_AXIS_X);
$AxisX->setDataPreprocessor($DataPreprocessor);
$AverageMarker =& Image_Graph::factory('Image_Graph_Marker_Average');
$Plot_SmoothedLine->setMarker($AverageMarker);
$AverageMarker->setLineColor('purple');
// set a standard fill style
$Plot_Radar1->setFillColor('yellow@0.2');
$Plot_Radar2->setFillColor('green@0.2');
// output the Graph
// output the Graph
$Graph->done();
?>