org.apache.poi.hslf.examples.Graphics2DDemo Maven / Gradle / Ivy

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   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
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   (the "License"); you may not use this file except in compliance with
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       http://www.apache.org/licenses/LICENSE-2.0

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package org.apache.poi.hslf.examples;

import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.hslf.model.*;

import java.awt.*;
import java.io.FileOutputStream;

/**
 * Demonstrates how to draw into a slide using the HSLF Graphics2D driver.
 *
 * @author Yegor Kozlov
 */
public final class Graphics2DDemo {

    /**
     * A simple bar chart demo
     */
    public static void main(String[] args) throws Exception {
        SlideShow ppt = new SlideShow();

        //bar chart data. The first value is the bar color, the second is the width
        Object[] def = new Object[]{
            Color.yellow, new Integer(40),
            Color.green, new Integer(60),
            Color.gray, new Integer(30),
            Color.red, new Integer(80),
        };

        Slide slide = ppt.createSlide();

        ShapeGroup group = new ShapeGroup();
        //define position of the drawing in the slide
        Rectangle bounds = new java.awt.Rectangle(200, 100, 350, 300);
        group.setAnchor(bounds);
        group.setCoordinates(new java.awt.Rectangle(0, 0, 100, 100));
        slide.addShape(group);
        Graphics2D graphics = new PPGraphics2D(group);

        //draw a simple bar graph
        int x = 10, y = 10;
        graphics.setFont(new Font("Arial", Font.BOLD, 10));
        for (int i = 0, idx = 1; i < def.length; i+=2, idx++) {
            graphics.setColor(Color.black);
            int width = ((Integer)def[i+1]).intValue();
            graphics.drawString("Q" + idx, x-5, y+10);
            graphics.drawString(width + "%", x + width+3, y + 10);
            graphics.setColor((Color)def[i]);
            graphics.fill(new Rectangle(x, y, width, 10));
            y += 15;
        }
        graphics.setColor(Color.black);
        graphics.setFont(new Font("Arial", Font.BOLD, 14));
        graphics.draw(group.getCoordinates());
        graphics.drawString("Performance", x + 30, y + 10);

        FileOutputStream out = new FileOutputStream("hslf-graphics.ppt");
        ppt.write(out);
        out.close();
    }

}