maxGraph/php/examples/graph.php

58 lines
1.6 KiB
PHP
Executable File

<?php
/**
* $Id: graph.php,v 1.15 2011-02-23 10:28:19 gaudenz Exp $
* Copyright (c) 2006, Gaudenz Alder
*/
include_once("../src/mxServer.php");
/**
* Function: main
*
* Creates a graph using the API and converts it into a PNG image.
*/
function main()
{
// Creates graph with model
$model = new mxGraphModel();
$graph = new mxGraph($model);
$parent = $graph->getDefaultParent();
// Adds cells into the model
$model->beginUpdate();
try
{
$v1 = $graph->insertVertex($parent, null, "Hello,", 20, 20, 80, 30);
$v2 = $graph->insertVertex($parent, null, "World!", 200, 150, 80, 30);
$e1 = $graph->insertEdge($parent, null, "e1", $v1, $v2);
}
catch (Exception $e)
{
$model->endUpdate();
throw($e);
}
$model->endUpdate();
// Sends PNG image to client
$image = $graph->createImage(null, "#FFFFFF");
// Creates an interlaced image for better loading in the browser
//imageInterlace($image, 1);
// Marks background color as being transparent
//imageColorTransparent($image, imageColorAllocate($image, 255, 255, 255));
header("Content-Type: image/png");
echo mxUtils::encodeImage($image);
}
// Uses a local font so that all examples work on all platforms. This can be
// changed to vera on Mac or arial on Windows systems.
mxConstants::$DEFAULT_FONTFAMILY = "ttf/verah.ttf";
// If you can't get the fonts to render try using one of the following:
//mxConstants::$DEFAULT_FONTFAMILY = "C:\WINDOWS\Fonts\arial.ttf";
//mxConstants::$DEFAULT_FONTFAMILY = "verah"; putenv("GDFONTPATH=".realpath("./ttf"));
//mxConstants::$TTF_ENABLED = false;
main();
?>