package com.mxgraph.examples;

import java.awt.Graphics2D;

import java.io.FileOutputStream;

import com.lowagie.text.Document;

import com.lowagie.text.Rectangle;

import com.lowagie.text.pdf.PdfContentByte;

import com.lowagie.text.pdf.PdfWriter;

import com.mxgraph.canvas.mxGraphics2DCanvas;

import com.mxgraph.canvas.mxICanvas;

import com.mxgraph.model.mxCell;

import com.mxgraph.util.mxCellRenderer;

import com.mxgraph.util.mxRectangle;

import com.mxgraph.util.mxCellRenderer.CanvasFactory;

import com.mxgraph.view.mxGraph;

// This example requires iText from http://www.lowagie.com/iText/

public class PdfExport

{

public PdfExport() throws Exception

{

// Creates graph with model

mxGraph graph = new mxGraph();

Object parent = graph.getDefaultParent();

graph.getModel().beginUpdate();

try

{

Object v1 = graph.insertVertex(parent, null, "Hello", 20, 20, 80,

30);

mxCell v2 = (mxCell) graph.insertVertex(parent, null, "World!",

240, 150, 80, 30);

graph.insertEdge(parent, null, "e1", v1, v2);

}

finally

{

graph.getModel().endUpdate();

}

mxRectangle bounds = graph.getGraphBounds();

Document document = new Document(new Rectangle((float) (bounds

.getWidth()), (float) (bounds.getHeight())));

PdfWriter writer = PdfWriter.getInstance(document,

new FileOutputStream("example.pdf"));

document.open();

final PdfContentByte cb = writer.getDirectContent();

mxGraphics2DCanvas canvas = (mxGraphics2DCanvas) mxCellRenderer

.drawCells(graph, null, 1, null, new CanvasFactory()

{

public mxICanvas createCanvas(int width, int height)

{

Graphics2D g2 = cb.createGraphics(width, height);

return new mxGraphics2DCanvas(g2);

}

});

canvas.getGraphics().dispose();

document.close();

}

public static void main(String[] args)

{

try

{

new PdfExport();

}

catch (Exception e)

{

e.printStackTrace();

}

}

}