1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2cdf0e10cSrcweir 3cdf0e10cSrcweir 4*609de967SAndrew Rist<!--*********************************************************** 5cdf0e10cSrcweir * 6*609de967SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 7*609de967SAndrew Rist * or more contributor license agreements. See the NOTICE file 8*609de967SAndrew Rist * distributed with this work for additional information 9*609de967SAndrew Rist * regarding copyright ownership. The ASF licenses this file 10*609de967SAndrew Rist * to you under the Apache License, Version 2.0 (the 11*609de967SAndrew Rist * "License"); you may not use this file except in compliance 12*609de967SAndrew Rist * with the License. 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See the License for the 20*609de967SAndrew Rist * specific language governing permissions and limitations 21*609de967SAndrew Rist * under the License. 22*609de967SAndrew Rist * 23*609de967SAndrew Rist ***********************************************************--> 24*609de967SAndrew Rist 25*609de967SAndrew Rist 26cdf0e10cSrcweir 27cdf0e10cSrcweir<helpdocument version="1.0"> 28cdf0e10cSrcweir<meta> 29cdf0e10cSrcweir<topic id="textsimpressguideline_drawxml" indexer="include" status="PUBLISH"> 30cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Drawing Curves</title> 31cdf0e10cSrcweir<filename>/text/simpress/guide/line_draw.xhp</filename> 32cdf0e10cSrcweir</topic> 33cdf0e10cSrcweir<history> 34cdf0e10cSrcweir<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> 35cdf0e10cSrcweir<lastedited date="2006-10-23T14:01:00">FPE: Deleted Screenshot. Cleaned.</lastedited> 36cdf0e10cSrcweir</history> 37cdf0e10cSrcweir</meta> 38cdf0e10cSrcweir<body> 39cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3149377"><bookmark_value>lines; drawing</bookmark_value> 40cdf0e10cSrcweir<bookmark_value>curves; drawing</bookmark_value> 41cdf0e10cSrcweir<bookmark_value>control points definition</bookmark_value> 42cdf0e10cSrcweir<bookmark_value>corner points</bookmark_value> 43cdf0e10cSrcweir<bookmark_value>drawing;lines</bookmark_value> 44cdf0e10cSrcweir</bookmark> 45cdf0e10cSrcweir<paragraph role="heading" id="hd_id3149377" xml-lang="en-US" level="1" l10n="U" oldref="3"><variable id="line_draw"><link href="text/simpress/guide/line_draw.xhp" name="Drawing Curves">Drawing Curves</link> 46cdf0e10cSrcweir</variable></paragraph> 47cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148868" xml-lang="en-US" l10n="CHG" oldref="4">The <emph>Curve</emph> icon 48cdf0e10cSrcweir<image id="img_id3150205" src="res/commandimagelist/sc_linetoolbox.png" width="0.222inch" height="0.222inch"><alt id="alt_id3150205" xml-lang="en-US">Icon</alt> 49cdf0e10cSrcweir </image> on the <emph>Drawing</emph> toolbar opens a toolbar to draw Bézier curves. Bézier curves are defined by a start point and an end point, which are called "anchors". The curvature of the Bézier curve is defined by control points ("handles"). Moving a control point changes the shape of the Bézier curve.</paragraph> 50cdf0e10cSrcweir<paragraph role="note" id="par_id8532364" xml-lang="en-US" l10n="NEW">Control points are only visible in "Edit Points" mode. Control points are represented by circles, anchor points are represented by squares. The start point is a little bit larger than the other anchor points.</paragraph> 51cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150210" xml-lang="en-US" l10n="CHG" oldref="39">Bézier curve segments and straight line segments can be joined to form more complex Bézier curves. Three different transitions can be applied to join adjacent segments:</paragraph> 52cdf0e10cSrcweir<list type="unordered"> 53cdf0e10cSrcweir<listitem> 54cdf0e10cSrcweir<paragraph role="listitem" id="par_id3154766" xml-lang="en-US" l10n="CHG" oldref="25">A <emph>symmetrical</emph> anchor point has the same line curvature on either side, and two control lines that move together as a straight line.</paragraph> 55cdf0e10cSrcweir</listitem> 56cdf0e10cSrcweir<listitem> 57cdf0e10cSrcweir<paragraph role="listitem" id="par_id3149874" xml-lang="en-US" l10n="CHG" oldref="26">A <emph>smooth</emph> anchor point may have different line curvatures on either side.</paragraph> 58cdf0e10cSrcweir</listitem> 59cdf0e10cSrcweir<listitem> 60cdf0e10cSrcweir<paragraph role="listitem" id="par_id3150435" xml-lang="en-US" l10n="CHG" oldref="27">A <emph>corner</emph> anchor point has one or two independent control lines. Changing one side has no effect on the other side.</paragraph> 61cdf0e10cSrcweir</listitem> 62cdf0e10cSrcweir</list> 63cdf0e10cSrcweir<paragraph role="heading" id="hd_id46388" xml-lang="en-US" level="2" l10n="NEW">How to use the Curve tool</paragraph> 64cdf0e10cSrcweir<list type="ordered"> 65cdf0e10cSrcweir<listitem> 66cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155262" xml-lang="en-US" l10n="CHG" oldref="5">On the Drawing toolbar, open the <emph>Curves</emph> toolbar 67cdf0e10cSrcweir<image id="img_id3145829" src="res/commandimagelist/sc_linetoolbox.png" width="0.222inch" height="0.222inch"><alt id="alt_id3145829" xml-lang="en-US">Icon</alt> 68cdf0e10cSrcweir </image> and select the <emph>Curve</emph> 69cdf0e10cSrcweir<image id="Graphic1" src="res/commandimagelist/sc_bezier_unfilled.png" width="0.222inch" height="0.222inch"><alt id="alt_" xml-lang="en-US">Icon</alt> 70cdf0e10cSrcweir </image> tool.</paragraph> 71cdf0e10cSrcweir</listitem> 72cdf0e10cSrcweir<listitem> 73cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155928" xml-lang="en-US" l10n="CHG" oldref="6">Click where you want the curve to start, and drag in the direction where you want the curve to go. The control line will indicate the direction. </paragraph> 74cdf0e10cSrcweir<paragraph role="paragraph" id="par_id8174687" xml-lang="en-US" l10n="NEW">Hold down <item type="keycode">Shift</item> while you drag to restrict the direction to a 45 degree grid.</paragraph> 75cdf0e10cSrcweir</listitem> 76cdf0e10cSrcweir<listitem> 77cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148390" xml-lang="en-US" l10n="CHG" oldref="41">Release the mouse where the first control point should be.</paragraph> 78cdf0e10cSrcweir</listitem> 79cdf0e10cSrcweir<listitem> 80cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154865" xml-lang="en-US" l10n="U" oldref="22">Move the pointer to where you want the curve segment to end. The curve follows the pointer. </paragraph> 81cdf0e10cSrcweir</listitem> 82cdf0e10cSrcweir<listitem> 83cdf0e10cSrcweir<paragraph role="paragraph" id="par_id1556443" xml-lang="en-US" l10n="NEW">Do one of the following:</paragraph> 84cdf0e10cSrcweir</listitem> 85cdf0e10cSrcweir</list> 86cdf0e10cSrcweir<list type="unordered"> 87cdf0e10cSrcweir<listitem> 88cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3151172" xml-lang="en-US" l10n="CHG" oldref="9">Double-click on the position of the end point to finish drawing the line. </paragraph> 89cdf0e10cSrcweir<paragraph role="paragraph" id="par_id5377056" xml-lang="en-US" l10n="NEW">To create a closed shape, double-click the starting point of the line.</paragraph> 90cdf0e10cSrcweir</listitem> 91cdf0e10cSrcweir<listitem> 92cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153919" xml-lang="en-US" l10n="CHG" oldref="23">Click and release the mouse button to add an anchor point. Move the mouse to draw the next segment.</paragraph> 93cdf0e10cSrcweir</listitem> 94cdf0e10cSrcweir<listitem> 95cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149451" xml-lang="en-US" l10n="CHG" oldref="43">Click and drag in any direction to add a smooth anchor point.</paragraph> 96cdf0e10cSrcweir</listitem> 97cdf0e10cSrcweir</list> 98cdf0e10cSrcweir<paragraph role="heading" id="hd_id2071596" xml-lang="en-US" level="2" l10n="NEW">How to use the Freeform Line tool</paragraph> 99cdf0e10cSrcweir<list type="ordered"> 100cdf0e10cSrcweir<listitem> 101cdf0e10cSrcweir<paragraph role="paragraph" id="par_id4907681" xml-lang="en-US" l10n="NEW">On the Drawing toolbar, open the <emph>Curves</emph> toolbar 102cdf0e10cSrcweir<image id="Graphic2" src="res/commandimagelist/sc_linetoolbox.png" width="0.222inch" height="0.222inch"><alt id="alt_" xml-lang="en-US">Icon</alt> 103cdf0e10cSrcweir </image> and select the <emph>Freeform Line</emph> 104cdf0e10cSrcweir<image id="Graphic3" src="res/commandimagelist/sc_freeline_unfilled.png" width="0.222inch" height="0.222inch"><alt id="alt_" xml-lang="en-US">Icon</alt> 105cdf0e10cSrcweir </image> tool.</paragraph> 106cdf0e10cSrcweir</listitem> 107cdf0e10cSrcweir<listitem> 108cdf0e10cSrcweir<paragraph role="paragraph" id="par_id1122165" xml-lang="en-US" l10n="NEW">Click where you want the curve to start, and keep holding the mouse button down.</paragraph> 109cdf0e10cSrcweir</listitem> 110cdf0e10cSrcweir<listitem> 111cdf0e10cSrcweir<paragraph role="paragraph" id="par_id5792107" xml-lang="en-US" l10n="NEW">Draw the freeform line as you would do with a pencil.</paragraph> 112cdf0e10cSrcweir</listitem> 113cdf0e10cSrcweir<listitem> 114cdf0e10cSrcweir<paragraph role="paragraph" id="par_id7734916" xml-lang="en-US" l10n="NEW">Release the mouse button to finish the line.</paragraph> 115cdf0e10cSrcweir</listitem> 116cdf0e10cSrcweir</list> 117cdf0e10cSrcweir<section id="relatedtopics"> 118cdf0e10cSrcweir<embed href="text/simpress/guide/line_edit.xhp#line_edit"/> 119cdf0e10cSrcweir<embed href="text/simpress/guide/vectorize.xhp#vectorize"/> 120cdf0e10cSrcweir<embed href="text/simpress/guide/3d_create.xhp#3d_create"/> 121cdf0e10cSrcweir<embed href="text/simpress/guide/text2curve.xhp#text2curve"/> 122cdf0e10cSrcweir</section> 123cdf0e10cSrcweir</body> 124cdf0e10cSrcweir</helpdocument> 125