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<h1>Busy Developers' Guide to HSLF drawing layer</h1>
<div id="front-matter"></div>
<a name="Busy+Developers%27+Guide+to+HSLF+drawing+layer"></a>
<h2 class="boxed">Busy Developers' Guide to HSLF drawing layer</h2>
<div class="section">
<a name="Index+of+Features"></a>
<h3 class="boxed">Index of Features</h3>
<ul>
<li>
<a href="#NewPresentation">How to create a new presentation and add new slides to it</a>
</li>
<li>
<a href="#PageSize">How to retrieve or change slide size</a>
</li>
<li>
<a href="#GetShapes">How to get shapes contained in a particular slide</a>
</li>
<li>
<a href="#Shapes">Drawing a shape on a slide</a>
</li>
<li>
<a href="#Pictures">How to work with pictures</a>
</li>
<li>
<a href="#SlideTitle">How to set slide title</a>
</li>
<li>
<a href="#Fill">How to work with slide/shape background</a>
</li>
<li>
<a href="#Bullets">How to create bulleted lists</a>
</li>
<li>
<a href="#Hyperlinks">Hyperlinks</a>
</li>
<li>
<a href="#Tables">Tables</a>
</li>
<li>
<a href="#RemoveShape">How to remove shapes</a>
</li>
<li>
<a href="#OLE">How to retrieve embedded OLE objects</a>
</li>
<li>
<a href="#Sound">How to retrieve embedded sounds</a>
</li>
<li>
<a href="#Freeform">How to create shapes of arbitrary geometry</a>
</li>
<li>
<a href="#Graphics2D">Shapes and Graphics2D</a>
</li>
<li>
<a href="#Render">How to convert slides into images</a>
</li>
<li>
<a href="#HeadersFooters">Headers / Footers</a>
</li>
</ul>
<a name="Features"></a>
<h3 class="boxed">Features</h3>
<a name="NewPresentation" id="NewPresentation"></a><a name="New+Presentation"></a>
<h4>New Presentation</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//create a new empty slide show</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//add first slide</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide s1 = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//add second slide</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide s2 = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//save changes in a file</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileOutputStream out = new FileOutputStream("slideshow.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.write(out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="PageSize" id="PageSize"></a><a name="How+to+retrieve+or+change+slide+size"></a>
<h4>How to retrieve or change slide size</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow(new HSLFSlideShowImpl("slideshow.ppt"));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//retrieve page size. Coordinates are expressed in points (72 dpi)</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">java.awt.Dimension pgsize = ppt.getPageSize();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">int pgx = pgsize.width; //slide width</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">int pgy = pgsize.height; //slide height</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//set new page size</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.setPageSize(new java.awt.Dimension(1024, 768));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//save changes </span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileOutputStream out = new FileOutputStream("slideshow.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.write(out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="GetShapes" id="GetShapes"></a><a name="How+to+get+shapes+contained+in+a+particular+slide"></a>
<h4>How to get shapes contained in a particular slide</h4>
<p>
The following code demonstrates how to iterate over shapes for each slide.
</p>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow(new HSLFSlideShowImpl("slideshow.ppt"));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// get slides</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFSlide slide : ppt.getSlides()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> for (HSLFShape sh : slide.getShapes()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // name of the shape</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String name = sh.getShapeName();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // shapes's anchor which defines the position of this shape in the slide</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> java.awt.Rectangle anchor = sh.getAnchor();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (sh instanceof Line) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> Line line = (Line) sh;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // work with Line</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> } else if (sh instanceof HSLFAutoShape) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFAutoShape shape = (HSLFAutoShape) sh;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // work with AutoShape</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> } else if (sh instanceof HSLFTextBox) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFTextBox shape = (HSLFTextBox) sh;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // work with TextBox</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> } else if (sh instanceof HSLFPictureShape) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFPictureShape shape = (HSLFPictureShape) sh;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // work with Picture</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Shapes" id="Shapes"></a><a name="Drawing+a+shape+on+a+slide"></a>
<h4>Drawing a shape on a slide</h4>
<div class="warning">
<div class="label">Warning</div>
<div class="content">
To work with graphic objects HSLF uses Java2D classes
that may throw exceptions if graphical environment is not available. In case if graphical environment
is not available, you must tell Java that you are running in headless mode and
set the following system property: <span class="codefrag"> java.awt.headless=true </span>
(either via <span class="codefrag">-Djava.awt.headless=true</span> startup parameter or via <span class="codefrag">System.setProperty("java.awt.headless", "true")</span>).
</div>
</div>
<p>
When you add a shape, you usually specify the dimensions of the shape and the position
of the upper left corner of the bounding box for the shape relative to the upper left
corner of the slide. Distances in the drawing layer are measured in points (72 points = 1 inch).
</p>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//Line shape</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">Line line = new Line();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">line.setAnchor(new java.awt.Rectangle(50, 50, 100, 20));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">line.setLineColor(new Color(0, 128, 0));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">line.setLineCompound(LineCompound.DOUBLE);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(line);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//TextBox</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFTextBox txt = new HSLFTextBox();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">txt.setText("Hello, World!");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">txt.setAnchor(new java.awt.Rectangle(300, 100, 300, 50));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// use TextRun to work with the text format</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFTextParagraph tp = txt.getTextParagraphs().get(0);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">tp.setAlignment(TextAlign.RIGHT);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFTextRun rt = tp.getTextRuns().get(0);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">rt.setFontSize(32.);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">rt.setFontFamily("Arial");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">rt.setBold(true);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">rt.setItalic(true);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">rt.setUnderlined(true);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">rt.setFontColor(Color.red);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(txt);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// Autoshape</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// 32-point star</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFAutoShape sh1 = new HSLFAutoShape(ShapeType.STAR_32);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">sh1.setAnchor(new java.awt.Rectangle(50, 50, 100, 200));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">sh1.setFillColor(Color.red);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(sh1);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//Trapezoid</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFAutoShape sh2 = new HSLFAutoShape(ShapeType.TRAPEZOID);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">sh2.setAnchor(new java.awt.Rectangle(150, 150, 100, 200));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">sh2.setFillColor(Color.blue);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(sh2);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileOutputStream out = new FileOutputStream("slideshow.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.write(out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Pictures" id="Pictures"></a><a name="How+to+work+with+pictures"></a>
<h4>How to work with pictures</h4>
<p>
Currently, HSLF API supports the following types of pictures:
</p>
<ul>
<li>Windows Metafiles (WMF)</li>
<li>Enhanced Metafiles (EMF)</li>
<li>JPEG Interchange Format</li>
<li>Portable Network Graphics (PNG)</li>
<li>Macintosh PICT</li>
</ul>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow(new HSLFSlideShowImpl("slideshow.ppt"));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// extract all pictures contained in the presentation</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">int idx = 1;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFPictureData pict : ppt.getPictureData()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // picture data</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> byte[] data = pict.getData();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> PictureData.PictureType type = pict.getType();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String ext = type.extension;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> FileOutputStream out = new FileOutputStream("pict_" + idx + ext);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> out.write(data);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> idx++;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// add a new picture to this slideshow and insert it in a new slide</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFPictureData pd = ppt.addPicture(new File("clock.jpg"), PictureData.PictureType.JPEG);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFPictureShape pictNew = new HSLFPictureShape(pd);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// set image position in the slide</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">pictNew.setAnchor(new java.awt.Rectangle(100, 100, 300, 200));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(pictNew);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// now retrieve pictures containes in the first slide and save them on disk</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">idx = 1;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide = ppt.getSlides().get(0);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFShape sh : slide.getShapes()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (sh instanceof HSLFPictureShape) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFPictureShape pict = (HSLFPictureShape) sh;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFPictureData pictData = pict.getPictureData();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> byte[] data = pictData.getData();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> PictureData.PictureType type = pictData.getType();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> FileOutputStream out = new FileOutputStream("slide0_" + idx + type.extension);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> out.write(data);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> idx++;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileOutputStream out = new FileOutputStream("slideshow.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.write(out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="SlideTitle" id="SlideTitle"></a><a name="How+to+set+slide+title"></a>
<h4>How to set slide title</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFTextBox title = slide.addTitle();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">title.setText("Hello, World!");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// save changes</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileOutputStream out = new FileOutputStream("slideshow.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.write(out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<p>
Below is the equivalent code in PowerPoint VBA:
</p>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">Set myDocument = ActivePresentation.Slides(1)</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">myDocument.Shapes.AddTitle.TextFrame.TextRange.Text = "Hello, World!"</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Fill" id="Fill"></a><a name="How+to+modify+background+of+a+slide+master"></a>
<h4>How to modify background of a slide master</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideMaster master = ppt.getSlideMasters().get(0);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFFill fill = master.getBackground().getFill();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFPictureData pd = ppt.addPicture(new File("background.png"), PictureData.PictureType.PNG);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">fill.setFillType(HSLFFill.FILL_PICTURE);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">fill.setPictureData(pd);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="How+to+modify+background+of+a+slide"></a>
<h4>How to modify background of a slide</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// This slide has its own background.</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// Without this line it will use master's background.</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.setFollowMasterBackground(false);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFFill fill = slide.getBackground().getFill();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFPictureData pd = ppt.addPicture(new File("background.png"), PictureData.PictureType.PNG);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">fill.setFillType(HSLFFill.FILL_PATTERN);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">fill.setPictureData(pd); </span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="How+to+modify+background+of+a+shape"></a>
<h4>How to modify background of a shape</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFShape shape = new HSLFAutoShape(ShapeType.RECT);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">shape.setAnchor(new java.awt.Rectangle(100, 100, 200, 200));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFFill fill = shape.getFill();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">fill.setFillType(HSLFFill.FILL_SHADE);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">fill.setBackgroundColor(Color.red);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">fill.setForegroundColor(Color.green);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(shape);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Bullets" id="Bullets"></a><a name="How+to+create+bulleted+lists"></a>
<h4>How to create bulleted lists</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFTextBox shape = new HSLFTextBox();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFTextParagraph tp = shape.getTextParagraphs().get(0);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">tp.setBullet(true);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">tp.setBulletChar('\u263A'); //bullet character</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">tp.setIndent(0.); //bullet offset</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">tp.setLeftMargin(50.); //text offset (should be greater than bullet offset)</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFTextRun rt = tp.getTextRuns().get(0);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">shape.setText(</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> "January\r" +</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> "February\r" +</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> "March\r" +</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> "April");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">rt.setFontSize(42.);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(shape);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">shape.setAnchor(new java.awt.Rectangle(50, 50, 500, 300)); //position of the text box in the slide</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(shape);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileOutputStream out = new FileOutputStream("bullets.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.write(out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Hyperlinks" id="Hyperlinks"></a><a name="How+to+read+hyperlinks+from+a+slide+show"></a>
<h4>How to read hyperlinks from a slide show</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileInputStream is = new FileInputStream("slideshow.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow(is);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">is.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFSlide slide : ppt.getSlides()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> //read hyperlinks from the text runs</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> for (List&lt;HSLFTextParagraph&gt; txt : slide.getTextParagraphs()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> for (HSLFTextParagraph para : txt) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> for (HSLFTextRun run : para) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFHyperlink link = run.getHyperlink();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (link != null) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String title = link.getLabel();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String address = link.getAddress();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String text = run.getRawText();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> //in PowerPoint you can assign a hyperlink to a shape without text,</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> //for example to a Line object. The code below demonstrates how to</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> //read such hyperlinks</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> for (HSLFShape sh : slide.getShapes()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (sh instanceof HSLFSimpleShape) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFHyperlink link = ((HSLFSimpleShape)sh).getHyperlink();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if(link != null) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String title = link.getLabel();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String address = link.getAddress();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Tables" id="Tables"></a><a name="How+to+create+tables"></a>
<h4>How to create tables</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//table data </span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">String[][] data = {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> {"INPUT FILE", "NUMBER OF RECORDS"},</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> {"Item File", "11,559"},</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> {"Vendor File", "300"},</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> {"Purchase History File", "10,000"},</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> {"Total # of requisitions", "10,200,038"}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">};</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//create a table of 5 rows and 2 columns</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFTable table = new HSLFTable(5, 2);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (int i = 0; i &lt; data.length; i++) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> for (int j = 0; j &lt; data[i].length; j++) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFTableCell cell = table.getCell(i, j);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> cell.setText(data[i][j]);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFTextRun rt = cell.getTextParagraphs().get(0).getTextRuns().get(0);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> rt.setFontFamily("Arial");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> rt.setFontSize(10.);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> cell.setVerticalAlignment(VerticalAlignment.MIDDLE);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> cell.setHorizontalCentered(true);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//set table borders</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">Line border = table.createBorder();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">border.setLineColor(Color.black);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">border.setLineWidth(1.0);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">table.setAllBorders(border);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//set width of the 1st column</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">table.setColumnWidth(0, 300);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">//set width of the 2nd column</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">table.setColumnWidth(1, 150);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(table);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">table.moveTo(100, 100);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileOutputStream out = new FileOutputStream("hslf-table.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.write(out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="RemoveShape" id="RemoveShape"></a><a name="How+to+remove+shapes+from+a+slide"></a>
<h4>How to remove shapes from a slide</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFShape shape : slide.getShapes()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // remove the shape</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> boolean ok = slide.removeShape(shape);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (ok) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // the shape was removed. Do something.</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="OLE" id="OLE"></a><a name="How+to+retrieve+embedded+OLE+objects"></a>
<h4>How to retrieve embedded OLE objects</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFShape shape : slide.getShapes()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (shape instanceof OLEShape) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> OLEShape ole = (OLEShape) shape;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSLFObjectData data = ole.getObjectData();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String name = ole.getInstanceName();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if ("Worksheet".equals(name)) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HSSFWorkbook wb = new HSSFWorkbook(data.getData());</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> } else if ("Document".equals(name)) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HWPFDocument doc = new HWPFDocument(data.getData());</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Sound" id="Sound"></a><a name="How+to+retrieve+embedded+sounds"></a>
<h4>How to retrieve embedded sounds</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileInputStream is = new FileInputStream(args[0]);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow(is);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">is.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFSoundData sound : ppt.getSoundData()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // save *WAV sounds on disk</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (sound.getSoundType().equals(".WAV")) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> FileOutputStream out = new FileOutputStream(sound.getSoundName());</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> out.write(sound.getData());</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Freeform" id="Freeform"></a><a name="How+to+create+shapes+of+arbitrary+geometry"></a>
<h4>How to create shapes of arbitrary geometry</h4>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">java.awt.geom.GeneralPath path = new java.awt.geom.GeneralPath();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">path.moveTo(100, 100);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">path.lineTo(200, 100);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">path.curveTo(50, 45, 134, 22, 78, 133);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">path.curveTo(10, 45, 134, 56, 78, 100);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">path.lineTo(100, 200);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">path.closePath();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFFreeformShape shape = new HSLFFreeformShape();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">shape.setPath(path);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(shape);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Graphics2D" id="Graphics2D"></a><a name="How+to+draw+into+a+slide+using+Graphics2D"></a>
<h4>How to draw into a slide using Graphics2D</h4>
<div class="warning">
<div class="label">Warning</div>
<div class="content">
Current implementation of the PowerPoint Graphics2D driver is not fully compliant with the java.awt.Graphics2D specification.
Some features like clipping, drawing of images are not yet supported.
</div>
</div>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlide slide = ppt.createSlide();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// draw a simple bar graph</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// bar chart data.</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// The first value is the bar color,</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// the second is the width</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">Object[] def = new Object[]{</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> Color.yellow, new Integer(100),</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> Color.green, new Integer(150),</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> Color.gray, new Integer(75),</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> Color.red, new Integer(200),</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">};</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// all objects are drawn into a shape group so we need to create one</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFGroupShape group = new HSLFGroupShape();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// define position of the drawing in the slide</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">Rectangle bounds = new java.awt.Rectangle(200, 100, 350, 300);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// if you want to draw in the entire slide area then define the anchor</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// as follows:</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// Dimension pgsize = ppt.getPageSize();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// java.awt.Rectangle bounds = new java.awt.Rectangle(0, 0,</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// pgsize.width, pgsize.height);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">group.setAnchor(bounds);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">slide.addShape(group);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// draw a simple bar chart</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">Graphics2D graphics = new PPGraphics2D(group);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">int x = bounds.x + 50, y = bounds.y + 50;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">graphics.setFont(new Font("Arial", Font.BOLD, 10));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (int i = 0, idx = 1; i &lt; def.length; i += 2, idx++) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> graphics.setColor(Color.black);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> int width = ((Integer) def[i + 1]).intValue();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> graphics.drawString("Q" + idx, x - 20, y + 20);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> graphics.drawString(width + "%", x + width + 10, y + 20);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> graphics.setColor((Color) def[i]);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> graphics.fill(new Rectangle(x, y, width, 30));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> y += 40;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">graphics.setColor(Color.black);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">graphics.setFont(new Font("Arial", Font.BOLD, 14));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">graphics.draw(bounds);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">graphics.drawString("Performance", x + 70, y + 40);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileOutputStream out = new FileOutputStream("hslf-graphics2d.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">ppt.write(out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="Render" id="Render"></a><a name="Export+PowerPoint+slides+into+java.awt.Graphics2D"></a>
<h4>Export PowerPoint slides into java.awt.Graphics2D</h4>
<p>
HSLF provides a way to export slides into images. You can capture slides into java.awt.Graphics2D object (or any other)
and serialize it into a PNG or JPEG format. Please note, although HSLF attempts to render slides as close to PowerPoint as possible,
the output may look differently from PowerPoint due to the following reasons:
</p>
<ul>
<li>Java2D renders fonts differently vs PowerPoint. There are always some differences in the way the font glyphs are painted</li>
<li>HSLF uses java.awt.font.LineBreakMeasurer to break text into lines. PowerPoint may do it in a different way.</li>
<li>If a font from the presentation is not available, then the JDK default font will be used.</li>
</ul>
<p>
Current Limitations:
</p>
<ul>
<li>Some types of shapes are not yet supported (WordArt, complex auto-shapes)</li>
<li>Only Bitmap images (PNG, JPEG, DIB) can be rendered in Java</li>
</ul>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileInputStream is = new FileInputStream("slideshow.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow(is);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">is.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">Dimension pgsize = ppt.getPageSize();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">int idx = 1;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFSlide slide : ppt.getSlides()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> Graphics2D graphics = img.createGraphics();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // clear the drawing area</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> graphics.setPaint(Color.white);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // render</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> slide.draw(graphics);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> // save the output</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> FileOutputStream out = new FileOutputStream("slide-" + idx + ".png");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> javax.imageio.ImageIO.write(img, "png", out);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> out.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> idx++;</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="HeadersFooters" id="HeadersFooters"></a><a name="How+to+extract+Headers+%2F+Footers+from+an+existing+presentation"></a>
<h3 class="boxed">How to extract Headers / Footers from an existing presentation</h3>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">FileInputStream is = new FileInputStream("slideshow.ppt");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow(is);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">is.close();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// presentation-scope headers / footers</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HeadersFooters hdd = ppt.getSlideHeadersFooters();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">if (hdd.isFooterVisible()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String footerText = hdd.getFooterText();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// per-slide headers / footers</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">for (HSLFSlide slide : ppt.getSlides()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> HeadersFooters hdd2 = slide.getHeadersFooters();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (hdd2.isFooterVisible()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String footerText = hdd2.getFooterText();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (hdd2.isUserDateVisible()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> String customDate = hdd2.getDateTimeText();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> if (hdd2.isSlideNumberVisible()) {</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> int slideNUm = slide.getSlideNumber();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> }</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">}</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
<a name="How+to+set+Headers+%2F+Footers"></a>
<h3 class="boxed">How to set Headers / Footers</h3>
<div class="code">
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HSLFSlideShow ppt = new HSLFSlideShow();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"></span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">// presentation-scope headers / footers</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">HeadersFooters hdd = ppt.getSlideHeadersFooters();</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">hdd.setSlideNumberVisible(true);</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody">hdd.setFootersText("Created by POI-HSLF");</span>
</div>
<div class="codeline">
<span class="lineno"></span><span class="codebody"> </span>
</div>
</div>
</div>
<p align="right">
<font size="-2">by&nbsp;Yegor Kozlov</font>
</p>
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