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I have this Polygon in a idml file
<Polygon Self="ue7" ContentType="Unassigned" StoryTitle="$ID/" ParentInterfaceChangeCount="" TargetInterfaceChangeCount="" LastUpdatedInterfaceChangeCount="" OverriddenPageItemProps="" HorizontalLayoutConstraints="FlexibleDimension FixedDimension FlexibleDimension" VerticalLayoutConstraints="FlexibleDimension FixedDimension FlexibleDimension" GradientFillStart="0 0" GradientFillLength="0" GradientFillAngle="0" GradientStrokeStart="0 0" GradientStrokeLength="0" GradientStrokeAngle="0" ItemLayer="uc5" Locked="false" LocalDisplaySetting="Default" GradientFillHiliteLength="0" GradientFillHiliteAngle="0" GradientStrokeHiliteLength="0" GradientStrokeHiliteAngle="0" AppliedObjectStyle="ObjectStyle/$ID/[Normal Graphics Frame]" Visible="true" Name="$ID/" ItemTransform="1 0 0 1 41.5 -14.555409553836853">
<Properties>
<PathGeometry>
<GeometryPathType PathOpen="true">
<PathPointArray>
<PathPointType Anchor="105 -258.94488188905" LeftDirection="105 -258.94488188905" RightDirection="105 -171" />
<PathPointType Anchor="105 -168" LeftDirection="105 -257.05511811095" RightDirection="105 -78.94488188905001" />
<PathPointType Anchor="201 -72" LeftDirection="120 -72" RightDirection="282 -72" />
<PathPointType Anchor="338 -209" LeftDirection="338 -167" RightDirection="338 -251" />
<PathPointType Anchor="105 -258.94488188905" LeftDirection="105 -258.94488188905" RightDirection="105 -258.94488188905" />
</PathPointArray>
</GeometryPathType>
</PathGeometry>
</Properties>
<TextWrapPreference Inverse="false" ApplyToMasterPageOnly="false" TextWrapSide="BothSides" TextWrapMode="None">
<Properties>
<TextWrapOffset Top="0" Left="0" Bottom="0" Right="0" />
</Properties>
</TextWrapPreference>
<InCopyExportOption IncludeGraphicProxies="true" IncludeAllResources="false" />
<FrameFittingOption AutoFit="false" LeftCrop="0" TopCrop="0" RightCrop="0" BottomCrop="0" FittingOnEmptyFrame="None" FittingAlignment="CenterAnchor" />
<ObjectExportOption EpubType="$ID/" SizeType="DefaultSize" CustomSize="$ID/" PreserveAppearanceFromLayout="PreserveAppearanceDefault" AltTextSourceType="SourceXMLStructure" ActualTextSourceType="SourceXMLStructure" CustomAltText="$ID/" CustomActualText="$ID/" ApplyTagType="TagFromStructure" ImageConversionType="JPEG" ImageExportResolution="Ppi300" GIFOptionsPalette="AdaptivePalette" GIFOptionsInterlaced="true" JPEGOptionsQuality="High" JPEGOptionsFormat="BaselineEncoding" ImageAlignment="AlignLeft" ImageSpaceBefore="0" ImageSpaceAfter="0" UseImagePageBreak="false" ImagePageBreak="PageBreakBefore" CustomImageAlignment="false" SpaceUnit="CssPixel" CustomLayout="false" CustomLayoutType="AlignmentAndSpacing">
<Properties>
<AltMetadataProperty NamespacePrefix="$ID/" PropertyPath="$ID/" />
<ActualMetadataProperty NamespacePrefix="$ID/" PropertyPath="$ID/" />
</Properties>
</ObjectExportOption>
</Polygon>
Now I want to convert those points into a svg path I used curveto points from svg but it seems are not really ok. THis is my result
<!DOCTYPE html>
<html>
<body>
<svg height="10000" width="10000">
<g transform="translate(300 400)">
<path d="M105 -258.94488188905
C105 -258.94488188905,105 -258.94488188905, 105 -171
C105 -168, 105 -257.05511811095, 105 -78.94488188905001
C201 -72, 120 -72, 282 -72
C338 -209, 338 -167, 338 -251
C105 -258.94488188905, 105 -258.94488188905, 105 -258.94488188905
" stroke="black" fill="transparent"/>
</g>
</svg>
</body>
</html>
The original path from indesign it looks like this:
Does anybody know the correct way of parsing those points from PathPointArray
620
It looks as if InDesign uses a model that is closer to how you manipulate a path in the application – namely a series of points with handles – and different from the SVG model – namely a series of path segments.
But they can be converted by aligning them differently:
InDesign SVG
LeftDirection="105 -258.94488188905" -- ignored as before the first point
Anchor="105 -258.94488188905" M 105 -258.94488188905
RightDirection="105 -171" C 105 -171
LeftDirection="105 -257.05511811095" 105 -257.05511811095
Anchor="105 -168" 105 -168
RightDirection="105 -78.94488188905001" C 105 -78.94488188905001
LeftDirection="120 -72" 120 -72
Anchor="201 -72" 201 -72
RightDirection="282 -72" C 282 -72
LeftDirection="338 -167" 338 -167
Anchor="338 -209" 338 -209
RightDirection="338 -251" C 338 -251
LeftDirection="105 -258.94488188905" 105 -258.94488188905
Anchor="105 -258.94488188905" 105 -258.94488188905
RightDirection="105 -258.94488188905" -- ignored as beyond the last point
As you can see, the LeftDirection coordinates appear before the Anchor coordinates. And a curve segment spans from RightDirection and LeftDirection to Anchor coordinates.
<svg viewBox="100 -260 300 200">
<path fill="none" stroke="black" d="M 105 -258.94488188905
C 105 -171 105 -257.05511811095 105 -168 C 105 -78.94488188905001 120 -72 201 -72 C 282 -72 338 -167 338 -209 C 338 -251 105 -258.94488188905 105 -258.94488188905"
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