helpcontent2/source/text/simpress/guide/line_draw.xhp

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  35
  36 <helpdocument version="1.0">
  37 <meta>
  38 <topic id="textsimpressguideline_drawxml" indexer="include" status="PUBLISH">
  39 <title id="tit" xml-lang="en-US">Drawing Curves</title>
  40 <filename>/text/simpress/guide/line_draw.xhp</filename>
  41 </topic>
  42 <history>
  43 <created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
  44 <lastedited date="2006-10-23T14:01:00">FPE: Deleted Screenshot. Cleaned.</lastedited>
  45 </history>
  46 </meta>
  47 <body>
  48 <bookmark xml-lang="en-US" branch="index" id="bm_id3149377"><bookmark_value>lines; drawing</bookmark_value>
  49 <bookmark_value>curves; drawing</bookmark_value>
  50 <bookmark_value>control points definition</bookmark_value>
  51 <bookmark_value>corner points</bookmark_value>
  52 <bookmark_value>drawing;lines</bookmark_value>
  53 </bookmark>
  54 <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>
  55 </variable></paragraph>
  56 <paragraph role="paragraph" id="par_id3148868" xml-lang="en-US" l10n="CHG" oldref="4">The <emph>Curve</emph> icon
  57 <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>
  58         </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>
  59 <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>
  60 <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>
  61 <list type="unordered">
  62 <listitem>
  63 <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>
  64 </listitem>
  65 <listitem>
  66 <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>
  67 </listitem>
  68 <listitem>
  69 <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>
  70 </listitem>
  71 </list>
  72 <paragraph role="heading" id="hd_id46388" xml-lang="en-US" level="2" l10n="NEW">How to use the Curve tool</paragraph>
  73 <list type="ordered">
  74 <listitem>
  75 <paragraph role="paragraph" id="par_id3155262" xml-lang="en-US" l10n="CHG" oldref="5">On the Drawing toolbar, open the <emph>Curves</emph> toolbar
  76 <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>
  77         </image> and select the <emph>Curve</emph>
  78 <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>
  79         </image> tool.</paragraph>
  80 </listitem>
  81 <listitem>
  82 <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>
  83 <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>
  84 </listitem>
  85 <listitem>
  86 <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>
  87 </listitem>
  88 <listitem>
  89 <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>
  90 </listitem>
  91 <listitem>
  92 <paragraph role="paragraph" id="par_id1556443" xml-lang="en-US" l10n="NEW">Do one of the following:</paragraph>
  93 </listitem>
  94 </list>
  95 <list type="unordered">
  96 <listitem>
  97 <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>
  98 <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>
  99 </listitem>
 100 <listitem>
 101 <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>
 102 </listitem>
 103 <listitem>
 104 <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>
 105 </listitem>
 106 </list>
 107 <paragraph role="heading" id="hd_id2071596" xml-lang="en-US" level="2" l10n="NEW">How to use the Freeform Line tool</paragraph>
 108 <list type="ordered">
 109 <listitem>
 110 <paragraph role="paragraph" id="par_id4907681" xml-lang="en-US" l10n="NEW">On the Drawing toolbar, open the <emph>Curves</emph> toolbar
 111 <image id="Graphic2" src="res/commandimagelist/sc_linetoolbox.png" width="0.222inch" height="0.222inch"><alt id="alt_" xml-lang="en-US">Icon</alt>
 112         </image> and select the <emph>Freeform Line</emph>
 113 <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>
 114         </image> tool.</paragraph>
 115 </listitem>
 116 <listitem>
 117 <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>
 118 </listitem>
 119 <listitem>
 120 <paragraph role="paragraph" id="par_id5792107" xml-lang="en-US" l10n="NEW">Draw the freeform line as you would do with a pencil.</paragraph>
 121 </listitem>
 122 <listitem>
 123 <paragraph role="paragraph" id="par_id7734916" xml-lang="en-US" l10n="NEW">Release the mouse button to finish the line.</paragraph>
 124 </listitem>
 125 </list>
 126 <section id="relatedtopics">
 127 <embed href="text/simpress/guide/line_edit.xhp#line_edit"/>
 128 <embed href="text/simpress/guide/vectorize.xhp#vectorize"/>
 129 <embed href="text/simpress/guide/3d_create.xhp#3d_create"/>
 130 <embed href="text/simpress/guide/text2curve.xhp#text2curve"/>
 131 </section>
 132 </body>
 133 </helpdocument>