Source for file drivers2.php

<?php
    // include the libraries 
    include 'Image/Graph.php';
    include 'Image/Graph/Driver.php';
 
    // create a new PNG driver
    $Driver =& Image_Graph_Driver::factory('png',
        array(
            'width' => 600,
            'height' => 400            
        )
    );     
 
    // create the graph
    $Graph =& Image_Graph::factory('graph', &$Driver);
 
    // add a new font
    $Font =& $Graph->addNew('ttf_font', 'Gothic');
    $Font->setSize(7);
    
    // use this by default in the graph
    $Graph->setFont($Font);
 
    // create the layout
    $Graph->add(
        Image_Graph::vertical(
            Image_Graph::factory('title', array('Image_Graph Demonstration', 12)),
            Image_Graph::vertical(
                Image_Graph::vertical(
                    $Plotarea_Weather = Image_Graph::factory('plotarea'),
                    $Legend_Weather = Image_Graph::factory('legend'),
                    85
                ),
                Image_Graph::horizontal(
                    Image_Graph::vertical(
                        Image_Graph::vertical(
                            Image_Graph::factory(
                                'title', 
                                array('Demonstration of Mathematical Functions', 10)
                            ),
                            $Plotarea_SinCos = Image_Graph::factory('plotarea', 'axis'),
                            5
                        ),
                        $Legend_SinCos = Image_Graph::factory('legend'),
                        90
                    ),
                    $Plotarea_Car = Image_Graph::factory('plotarea'),
                    50
                ),
                60
            ),
        5)
    );
 
    // setup the legends
    $Legend_Weather->setPlotarea($Plotarea_Weather);
    $Legend_Weather->setFontSize(7);
    
    $Legend_SinCos->setPlotarea($Plotarea_SinCos);
    $Legend_SinCos->setFontSize(8);
 
    // create the grid
    $GridY_Weather =& $Plotarea_Weather->addNew(
        'line_grid', 
        null, 
        IMAGE_GRAPH_AXIS_Y
    );
    $GridY_Weather->setLineColor('gray@0.1');
 
    // create a axis marker marker to display min and max temperatures
    $Marker_AverageSpan =& 
        $Plotarea_Weather->addNew(
            'Image_Graph_Axis_Marker_Area', 
            IMAGE_GRAPH_AXIS_Y
        );
    $Marker_AverageSpan->setFillColor('green@0.2');
    $Marker_AverageSpan->setLowerBound(3.8);
    $Marker_AverageSpan->setUpperBound(11.4);
 
    // create a axis marker marker to display average temperatures
    $Marker_Average =& 
        $Plotarea_Weather->addNew(
            'Image_Graph_Axis_Marker_Line', 
            IMAGE_GRAPH_AXIS_Y
        );
    $Marker_Average->setLineColor('blue@0.4');
    $Marker_Average->setValue(7.7);
 
    // create the datasets
    $Dataset_Rainfall =& Image_Graph::factory('dataset');
    $Dataset_Rainfall->addPoint('Jan', 60);
    $Dataset_Rainfall->addPoint('Feb', 41);
    $Dataset_Rainfall->addPoint('Mar', 48);
    $Dataset_Rainfall->addPoint('Apr', 42);
    $Dataset_Rainfall->addPoint('May', 50);
    $Dataset_Rainfall->addPoint('Jun', 55);
    $Dataset_Rainfall->addPoint('Jul', 67);
    $Dataset_Rainfall->addPoint('Aug', 65);
    $Dataset_Rainfall->addPoint('Sep', 72);
    $Dataset_Rainfall->addPoint('Oct', 77);
    $Dataset_Rainfall->addPoint('Nov', 80);
    $Dataset_Rainfall->addPoint('Dec', 68);
    
    // add a bar chart 
    $Plot_Rainfall =& 
        $Plotarea_Weather->addNew(
            'bar', 
            &$Dataset_Rainfall, 
            IMAGE_GRAPH_AXIS_Y_SECONDARY
        );
    $Plot_Rainfall->setLineColor('gray');
    $Plot_Rainfall->setFillColor('yellow@0.1');
    $Plot_Rainfall->setTitle('Average rainfall');
    
    // some more data
    $Dataset_TempAvg =& Image_Graph::factory('dataset');
    $Dataset_TempAvg->addPoint('Jan', 0.2);
    $Dataset_TempAvg->addPoint('Feb', 0.1);
    $Dataset_TempAvg->addPoint('Mar', 2.3);
    $Dataset_TempAvg->addPoint('Apr', 5.8);
    $Dataset_TempAvg->addPoint('May', 10.8);
    $Dataset_TempAvg->addPoint('Jun', 14.1);
    $Dataset_TempAvg->addPoint('Jul', 16.2);
    $Dataset_TempAvg->addPoint('Aug', 15.9);
    $Dataset_TempAvg->addPoint('Sep', 12.1);
    $Dataset_TempAvg->addPoint('Oct', 8.7);
    $Dataset_TempAvg->addPoint('Nov', 4.4);
    $Dataset_TempAvg->addPoint('Dec', 1.8);
    
    // create the plot
    $Plot_TempAvg =& 
        $Plotarea_Weather->addNew(
            'Image_Graph_Plot_Smoothed_Line', 
            &$Dataset_TempAvg
        );
    $Plot_TempAvg->setLineColor('blue');
    $Plot_TempAvg->setTitle('Average temperature');
    
    // some more data
    $Dataset_TempMin =& Image_Graph::factory('dataset');
    $Dataset_TempMin->addPoint('Jan', -2.7);
    $Dataset_TempMin->addPoint('Feb', -2.8);
    $Dataset_TempMin->addPoint('Mar', -0.9);
    $Dataset_TempMin->addPoint('Apr', 1.2);
    $Dataset_TempMin->addPoint('May', 5.5);
    $Dataset_TempMin->addPoint('Jun', 9.2);
    $Dataset_TempMin->addPoint('Jul', 11.3);
    $Dataset_TempMin->addPoint('Aug', 11.1);
    $Dataset_TempMin->addPoint('Sep', 7.8);
    $Dataset_TempMin->addPoint('Oct', 5.0);
    $Dataset_TempMin->addPoint('Nov', 1.5);
    $Dataset_TempMin->addPoint('Dec', -0.9);
 
    // create the plot
    $Plot_TempMin =& 
        $Plotarea_Weather->addNew(
            'Image_Graph_Plot_Smoothed_Line', 
            &$Dataset_TempMin
        );
    $Plot_TempMin->setLineColor('teal');
    $Plot_TempMin->setTitle('Minimum temperature');
 
    // some more data
    $Dataset_TempMax =& Image_Graph::factory('dataset');
    $Dataset_TempMax->addPoint('Jan', 2.4);
    $Dataset_TempMax->addPoint('Feb', 2.5);
    $Dataset_TempMax->addPoint('Mar', 5.4);
    $Dataset_TempMax->addPoint('Apr', 10.5);
    $Dataset_TempMax->addPoint('May', 15.8);
    $Dataset_TempMax->addPoint('Jun', 18.9);
    $Dataset_TempMax->addPoint('Jul', 21.2);
    $Dataset_TempMax->addPoint('Aug', 20.8);
    $Dataset_TempMax->addPoint('Sep', 16.3);
    $Dataset_TempMax->addPoint('Oct', 11.8);
    $Dataset_TempMax->addPoint('Nov', 6.9);
    $Dataset_TempMax->addPoint('Dec', 4.1);
 
    // create the plot
    $Plot_TempMax =& 
        $Plotarea_Weather->addNew(
            'Image_Graph_Plot_Smoothed_Line', 
            &$Dataset_TempMax
        );
    $Plot_TempMax->setLineColor('red');
    $Plot_TempMax->setTitle('Maximum temperature');   
        
    // create a datapreprocessor to display milimeter unit
    $DataPreprocessor_MM =& 
        Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '%d mm');
    // create a datapreprocessor to display degrees centigrade unit
    $DataPreprocessor_DegC =& 
        Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '%d C');
    
    // create a value marker for the rainfall chart
    $Marker_Rainfall =& 
        $Plot_Rainfall->addNew('Image_Graph_Marker_Value', IMAGE_GRAPH_VALUE_Y);    
    $Marker_Rainfall->setDataPreprocessor($DataPreprocessor_MM);
    $Marker_Rainfall->setFontSize(7);
    $PointingMarker_Rainfall =& 
        $Plot_Rainfall->addNew(
            'Image_Graph_Marker_Pointing_Angular', 
            array(20, &$Marker_Rainfall)
        );
    $Plot_Rainfall->setMarker($PointingMarker_Rainfall);      
    
    // setup the primary y axis
    $AxisY_Weather =& $Plotarea_Weather->getAxis(IMAGE_GRAPH_AXIS_Y);
    $AxisY_Weather->showLabel(IMAGE_GRAPH_LABEL_ZERO);
    $AxisY_Weather->setDataPreprocessor($DataPreprocessor_DegC);
    $AxisY_Weather->setTitle(
        'Temperature', 
        array('vertical' => true, 'angle' => 90)
    );
 
    // setup the secondary y axis
    $AxisYsecondary_Weather =& 
        $Plotarea_Weather->getAxis(IMAGE_GRAPH_AXIS_Y_SECONDARY);
    $AxisYsecondary_Weather->setDataPreprocessor($DataPreprocessor_MM);
    $AxisYsecondary_Weather->setTitle(
        'Rainfall', 
        array('vertical' => true, 'angle' => 270)
    );
        
    // setup grid for mathematical chart (sin, cos)
    $GridX_SinCos =& 
        $Plotarea_SinCos->addNew('line_grid', null, IMAGE_GRAPH_AXIS_X);
    $GridY_SinCos =& 
        $Plotarea_SinCos->addNew('line_grid', null, IMAGE_GRAPH_AXIS_Y);
 
    // create the datasets
    $Dataset_Sin =& 
        Image_Graph::factory(
            'Image_Graph_Dataset_Function', 
            array(-2*pi(), 2*pi(), 'sin', 50)
        );
    $Dataset_Cos =& 
        Image_Graph::factory(
            'Image_Graph_Dataset_Function', 
            array(-2*pi(), 2*pi(), 'cos', 50)
        );
 
    // create and setup plots
    $Plot_Sin =& $Plotarea_SinCos->addNew('line', $Dataset_Sin);
    $Plot_Cos =& $Plotarea_SinCos->addNew('line', $Dataset_Cos);
    $Plot_Sin->setLineColor('red');
    $Plot_Cos->setLineColor('blue');
    $Plot_Sin->setTitle('sin(x)');
    $Plot_Cos->setTitle('cos(x)');
    
    // configure axis
    $AxisX_SinCos =& $Plotarea_SinCos->getAxis(IMAGE_GRAPH_AXIS_X);
    $AxisX_SinCos->setLabelInterval(array(-6, -4, -2, 2, 4, 6));
    $AxisY_SinCos =& $Plotarea_SinCos->getAxis(IMAGE_GRAPH_AXIS_Y);
    $AxisY_SinCos->forceMinimum(-1.1);
    $AxisY_SinCos->forceMaximum(1.1);
    $AxisY_SinCos->setLabelInterval(array(-1, -0.5, 0.5, 1));
 
    // a user defined callback function used in preprocessor
    function carLabel($value) {
        return 2000+$value;
    }
 
    // create x-axis label preprocessor for 'car' chart
    $DataPreprocessor_Car =& 
        Image_Graph::factory('Image_Graph_DataPreprocessor_Function', 'carLabel');
 
    // add grids
    $GridX_Car =& $Plotarea_Car->addNew('line_grid', null, IMAGE_GRAPH_AXIS_X);
    $GridY_Car =& $Plotarea_Car->addNew('line_grid', null, IMAGE_GRAPH_AXIS_Y);
    $GridX_Car->setLineColor('gray@0.2');
    $GridY_Car->setLineColor('gray@0.2');
    
    // setup dataset (random)
    $Dataset_Car =& Image_Graph::factory('random', array(10, 10, 100, true));
    
    // create the car filling
    $Fill_Car =& 
        Image_Graph::factory('Image_Graph_Fill_Image', './images/audi-tt-coupe.png');                
    $Plotarea_Car->setFillStyle($Fill_Car);
 
    // create the plot
    $Plot_Car =& 
        $Plotarea_Car->addNew('Image_Graph_Plot_Smoothed_Area', $Dataset_Car);
    $Plot_Car->setLineColor('gray');
    $Plot_Car->setFillColor('white@0.7');
 
    // setup axis
    $AxisX_Car =& $Plotarea_Car->getAxis(IMAGE_GRAPH_AXIS_X);
    $AxisX_Car->setDataPreprocessor($DataPreprocessor_Car);
    $AxisX_Car->setFontSize(6);
    $AxisY_Car =& $Plotarea_Car->getAxis(IMAGE_GRAPH_AXIS_Y);
    $AxisY_Car->forceMaximum(100);
        
    // output the graph using the GD driver
    $Graph->done(array('filename' => './frontpage_sample.png'));
 
    // create a new SVG driver
    $Driver =& Image_Graph_Driver::factory('svg',
        array(
            'width' => 600,
            'height' => 400
        )
    ); 
    // make the graph use this now instead
    $Graph->setDriver($Driver);
    
    // 're'-output the graph, but not using the SVG driver
    $Graph->done(array('filename' => './frontpage_sample.svg'));
 
    // create a new PDF driver
    $Driver =& Image_Graph_Driver::factory('pdflib',
        array(
            'page' => 'A4',
            'align' => 'center',
            'orientation' => 'landscape',           
            'width' => 600,
            'height' => 400
        )
    ); 
    // make the graph use this now instead
    $Graph->setDriver($Driver);
    
    // 're'-output the graph, but not using the PDF driver
    $Graph->done(array('filename' => './frontpage_sample.pdf'));
 
    // create a new SWF driver
    $Driver =& Image_Graph_Driver::factory('swf',
        array(
            'width' => 600,
            'height' => 400
        )
    ); 
    // make the graph use this now instead
    $Graph->setDriver($Driver);
    
    // 're'-output the graph, but not using the SWF driver
    $Graph->done(array('filename' => './frontpage_sample.swf'));
 
?>