80 lines
3.0 KiB
XML
80 lines
3.0 KiB
XML
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<?xml version="1.0" encoding="iso-8859-1"?>
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<xml>
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<include src="settings/generic.xml"/>
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<synopsis
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name="RSegment"
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description="a part of a Contour, a series of severall off and one oncurve Points"
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keywords="objects, segment, contour"/>
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<title>RoboFab Objects: RSegment</title>
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<div id="titlepic">
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<img src="img/offdrawmodel_34.gif" alt="" border="0"/>
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</div>
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<div class="content">
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<h1>RoboFab RSegment</h1>
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<h3>Usage</h3>
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<pythonsource src="examples/usageSegment.py"/>
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<python type="output"><![CDATA[
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< RSegment for RoboFab Demo Font.R[0][0] >
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< RSegment for RoboFab Demo Font.R[0][1] >
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< RSegment for RoboFab Demo Font.R[0][2] >
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< RSegment for RoboFab Demo Font.R[0][3] >
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< RSegment for RoboFab Demo Font.R[0][4] >
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]]></python>
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<h3>Description</h3>
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<p>
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A Contour object is a list of segments. A segment is a list of points with some special attributes and methods. See the LettError wiki for a <a href="http://just.letterror.com/ltrwiki/SegmentsVersusPoints">comprehensive explanation of segments</a>.
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</p>
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<h3>Understanding Contours and outlines</h3>
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<p>
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The way outline data is organised in RoboFab, and how the various objects relate is described here: <a href="howto/understandcontours.html">understanding contours</a>.
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</p>
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<h3>Attributes</h3>
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<ul>
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<li>
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<strong>type</strong>: Type of segment
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</li>
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<li>
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<strong>smooth</strong>: True if the segment is smooth, False if not.
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</li>
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<li>
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<strong>selected</strong>: Returns True if the segment is selected, False if not.
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</li>
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<li>
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<strong>points</strong>: List of points in the segment.
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</li>
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<li>
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<strong>onCurve</strong>: Returns the oncurve point associated with the segment.
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</li>
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<li>
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<strong>offCurve</strong>: Returns a list of offcurve points associated with the segment.
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</li>
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</ul>
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<h3>Attribute examples</h3>
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<pythonsource src="examples/segmentAttributes.py"/>
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<h3>Methods</h3>
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<p>
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</p>
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<ul>
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<li><strong>copy()</strong>: return a deepcopy of the object.</li>
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<li><strong>move((x, y))</strong>: move the anchor of the bPoint to (x,y). The relative coordinates of the bcpIn and bcpOut will remain the same, which means that in fact, they move the same distance.</li>
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<li><strong>round()</strong>: round the coordinates to whole integers.</li>
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<li><strong>transform(matrix)</strong>: Transform this point. Use a Transform matrix
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object to mess with the point. <a href="howto/usetransformations.html">See how to use transformations</a>.</li>
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</ul>
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<h3>Method examples</h3>
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<pythonsource src="examples/segmentMethods.py"/>
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</div>
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</xml>
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