<html> <head> <title>Interface XSlideRenderer</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel="stylesheet" type="text/css" href="../../../../idl.css"> </head> <body> <div id="adc-idlref"> <a name="_top_"> </a><table class="navimain" border="0" cellpadding="3"> <tr> <td class="navimain"><a href="../module-ix.html" class="navimain">Overview</a></td> <td class="navimain"><a href="module-ix.html" class="navimain">Module</a></td> <td class="navimain"><a href="XSlideRenderer-xref.html" class="navimain">Use</a></td> <td class="navimainnone">Devguide</td> <td class="navimain"><a href="../../../../index-files/index-1.html" class="navimain">Index</a></td> </tr> </table> <table class="navisub" border="0" cellpadding="0"> <tr> <td class="navisub"><a href="#MethodsSummary" class="navisub">Methods' Summary</a></td> <td class="navisub">Attributes' Summary</td> <td class="navisub"><a href="#MethodsDetails" class="navisub">Methods' Details</a></td> <td class="navisub">Attributes' Details</td> </tr> </table> <hr> <table border="0" width="100%" cellpadding="5" cellspacing="3" class="title-table" style="margin-bottom:6pt;"> <tr> <td><p class="namechain"><a href="../../../../module-ix.html" class="namechain">::</a> <a href="../../../module-ix.html" class="namechain">com</a> :: <a href="../../module-ix.html" class="namechain">sun</a> :: <a href="../module-ix.html" class="namechain">star</a> :: <a href="module-ix.html" class="namechain">drawing</a> :: </p> </td> </tr> <tr> <td class="title"><table class="title-table" width="99%"> <tr> <td width="25%" class="title2">unpublished </td> <td width="50%" class="title">interface XSlideRenderer</td> <td width="*"/></tr> </table> </td> </tr> <tr> <td/></tr> <tr> <td><dl> <dt><b>Usage Restrictions</b></dt> <dd><i>not published</i></dd> <dt><b>Description</b></dt> <dd>Create preview bitmaps for single slides. </dd> </dl> </td> </tr> </table> <hr> <a name="MethodsSummary"/><table border="1" width="100%" cellpadding="5" cellspacing="0" class="subtitle"> <tr> <td class="subtitle" colspan="2">Methods' Summary</td> </tr> <tr> <td class="imsum_left"><a href="#createPreview">createPreview</a></td> <td class="imsum_right">Create a preview for the given slide that has the same aspect ratio as the page and is as large as possible but not larger than the specified size. The reason for not using the given size directly as preview size and thus possibly changing the aspect ratio is that a) a different aspect ratio is not used often, and b) leaving the adaption of the actual preview size (according to the aspect ratio of the slide) to the slide renderer is more convenient to the caller than having to this himself. </td> </tr> <tr> <td class="imsum_left"><a href="#createPreviewForCanvas">createPreviewForCanvas</a></td> <td class="imsum_right">Exactly the same functionality as <a href="#createPreview()">createPreview()</a>, only a different return type: com::sun::star::rendering::XBitmap instead of com::sun::star::awt::XBitmap. </td> </tr> <tr> <td class="imsum_left"><a href="#calculatePreviewSize">calculatePreviewSize</a></td> <td class="imsum_right">Return a size that has the given aspect ratio and shares either the width or the height with the given maximum size. </td> </tr> </table> <a name="MethodsDetails"/><table border="1" width="100%" cellpadding="5" cellspacing="0" class="subtitle"> <tr> <td class="subtitle">Methods' Details</td> </tr> <tr> <td class="imdetail"><a name="createPreview" class="membertitle">createPreview</a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-method" bgcolor="#ffffff" align="center"> <tr> <td><table class="table-in-method" border="0"> <tr> <td valign="top" colspan="3">::com::sun::star::<a href="../awt/module-ix.html">awt</a>::<a href="../awt/XBitmap.html">XBitmap</a></td> </tr> <tr> <td valign="top"><b>createPreview</b>(</td> <td valign="top">[in] <a href="XDrawPage.html">XDrawPage</a></td> <td valign="bottom"> xSlide,</td> </tr> <tr> <td/><td valign="top">[in] ::com::sun::star::<a href="../awt/module-ix.html">awt</a>::<a href="../awt/Size.html">Size</a></td> <td valign="bottom"> aMaximumPreviewPixelSize,</td> </tr> <tr> <td/><td valign="top">[in] short</td> <td valign="bottom"> nSuperSampleFactor );</td> </tr> </table> <hr> <dl> <dt><b>Description</b></dt> <dd>Create a preview for the given slide that has the same aspect ratio as the page and is as large as possible but not larger than the specified size. The reason for not using the given size directly as preview size and thus possibly changing the aspect ratio is that a) a different aspect ratio is not used often, and b) leaving the adaption of the actual preview size (according to the aspect ratio of the slide) to the slide renderer is more convenient to the caller than having to this himself. </dd> <dt><b>Parameter xSlide</b></dt> <dd>The slide for which a preview will be created. </dd> <dt><b>Parameter aMaximumPreviewPixelSize</b></dt> <dd>The maximum size of the preview measured in pixels. When the aspect ratios of this size and of the given slide differ, then resulting preview will either have the width or the height of this size. </dd> <dt><b>Parameter nSuperSampleFactor</b></dt> <dd>When larger than the default 1 then internally a larger preview is created which, before it is returned, is scaled down to the requested size. The intermediate size is nSuperSampleFactor times the original size. Values larger than 1 result in higher memory consumption and longer runtime. This value is an attempt to provide some antialiasing and so to provide more readable slide previews. May become obsolete in the future when true antialiasing suppport will be integrated. </dd> </dl> </td> </tr> </table> </td> </tr> <tr> <td class="imdetail"><a name="createPreviewForCanvas" class="membertitle">createPreviewForCanvas</a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-method" bgcolor="#ffffff" align="center"> <tr> <td><table class="table-in-method" border="0"> <tr> <td valign="top" colspan="3">::com::sun::star::<a href="../rendering/module-ix.html">rendering</a>::<a href="../rendering/XBitmap.html">XBitmap</a></td> </tr> <tr> <td valign="top"><b>createPreviewForCanvas</b>(</td> <td valign="top">[in] <a href="XDrawPage.html">XDrawPage</a></td> <td valign="bottom"> xSlide,</td> </tr> <tr> <td/><td valign="top">[in] ::com::sun::star::<a href="../awt/module-ix.html">awt</a>::<a href="../awt/Size.html">Size</a></td> <td valign="bottom"> aMaximumPreviewPixelSize,</td> </tr> <tr> <td/><td valign="top">[in] short</td> <td valign="bottom"> nSuperSampleFactor,</td> </tr> <tr> <td/><td valign="top">[in] ::com::sun::star::<a href="../rendering/module-ix.html">rendering</a>::<a href="../rendering/XCanvas.html">XCanvas</a></td> <td valign="bottom"> xCanvas );</td> </tr> </table> <hr> <dl> <dt><b>Description</b></dt> <dd>Exactly the same functionality as <a href="#createPreview()">createPreview()</a>, only a different return type: com::sun::star::rendering::XBitmap instead of com::sun::star::awt::XBitmap. </dd> <dt><b>Parameter xCanvas</b></dt> <dd>This canvas is used create a canvas specific bitmap. </dd> <dt><b>See also</b></dt> <dd><a href="#createPreview">createPreview</a></dd> </dl> </td> </tr> </table> </td> </tr> <tr> <td class="imdetail"><a name="calculatePreviewSize" class="membertitle">calculatePreviewSize</a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-method" bgcolor="#ffffff" align="center"> <tr> <td><table class="table-in-method" border="0"> <tr> <td valign="top" colspan="3">::com::sun::star::<a href="../awt/module-ix.html">awt</a>::<a href="../awt/Size.html">Size</a></td> </tr> <tr> <td valign="top"><b>calculatePreviewSize</b>(</td> <td valign="top">[in] double</td> <td valign="bottom"> nSlideAspectRatio,</td> </tr> <tr> <td/><td valign="top">[in] ::com::sun::star::<a href="../awt/module-ix.html">awt</a>::<a href="../awt/Size.html">Size</a></td> <td valign="bottom"> aMaximumPreviewPixelSize );</td> </tr> </table> <hr> <dl> <dt><b>Description</b></dt> <dd>Return a size that has the given aspect ratio and shares either the width or the height with the given maximum size. </dd> <dt><b>Parameter nSlideAspectRatio</b></dt> <dd>The aspect ratio must not be 0. </dd> <dt><b>Parameter aMaximumPreviewPixelSize</b></dt> <dd>The maximum size of the returned preview size. </dd> </dl> </td> </tr> </table> </td> </tr> </table> <a href="#_top_">Top of Page</a><hr size="3"><p class="copyright" align="center">Copyright © 2011, Oracle and/or its affiliates. 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