[Inkscape-devel] Inkscape Gradient Handles Python API

8 Aug 2017


      Greetings from Santiago,
After looking for this information all around the web:
(List of 1231 Inkscape verbs)
http://www.inkscapeforum.com/viewtopic.php?t=32187
(Inkscape Source code)
http://inkscape.sourcearchive.com/documentation/0.48.2-0ubuntu1/structGrDrag...
I decided just asking experts. This is my first post in this mail list.
Does Inkscape Python API provide access to current
coordinate points of gradient handles?
Radial gradient handles have three coordinates (similar to
an L-shape) and Linear gradient handles shows only
two coordinates (drawing a single line)
Does exists a plugin that could draw these handles
similar to Visualize Path plugin "draw handles"
(handles.py inside Inkscape extensions folder)?
In the forum, I posted a SVG and a PNG
Take a look at both attached files:
http://www.inkscapeforum.com/viewtopic.php?f=34&t=32784
or copy and paste the SVG code at the end of this
message into a new SVG document.
I am using this information for importing
SVG files with gradients into my Android
Application.
Thanks in advance!
Al
SVG File:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://creativecommons.org/ns#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:xlink="http://www.w3.org/1999/xlink"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   width="213.33333"
   height="213.33333"
   viewBox="0 0 200 200"
   id="svg3478"
   version="1.1"
   inkscape:version="0.92.1 r15371"
   sodipodi:docname="200x200_gradients_01.svg">
  <defs
     id="defs3480">
    <linearGradient
       id="linearGradient4326"
       inkscape:collect="always">
      <stop
         id="stop4328"
         offset="0"
         style="stop-color:#0000ff;stop-opacity:1" />
      <stop
         id="stop4330"
         offset="1"
         style="stop-color:#00ff00;stop-opacity:0.51764709" />
    </linearGradient>
    <linearGradient
       inkscape:collect="always"
       id="linearGradient4296">
      <stop
         style="stop-color:#ff0000;stop-opacity:0.51764709"
         offset="0"
         id="stop4298" />
      <stop
         style="stop-color:#ffff00;stop-opacity:1"
         offset="1"
         id="stop4300" />
    </linearGradient>
    <radialGradient
       inkscape:collect="always"
       xlink:href="#linearGradient4296"
       id="radialGradient4312"
       cx="95.666649"
       cy="987.04877"
       r="95"
       gradientUnits="userSpaceOnUse"
gradientTransform="matrix(0.62319928,0.62388171,-1.0181927,1.0170788,1017.3415,-88.883758)"
/>
    <linearGradient
       inkscape:collect="always"
       xlink:href="#linearGradient4326"
       id="linearGradient4322"
       x1="10.292649"
       y1="861.79907"
       x2="190.29543"
       y2="1041.7491"
       gradientUnits="userSpaceOnUse" />
  </defs>
  <sodipodi:namedview
     id="base"
     pagecolor="#ffffff"
     bordercolor="#666666"
     borderopacity="1.0"
     inkscape:pageopacity="0.0"
     inkscape:pageshadow="2"
     inkscape:zoom="2.11"
     inkscape:cx="95.04257"
     inkscape:cy="120.77776"
     inkscape:document-units="px"
     inkscape:current-layer="layer1"
     showgrid="false"
     units="px"
     height="200px"
     inkscape:window-width="1024"
     inkscape:window-height="540"
     inkscape:window-x="-4"
     inkscape:window-y="-4"
     inkscape:window-maximized="1" />
  <metadata
     id="metadata3483">
    rdf:RDF
      <cc:Work
         rdf:about="">
        dc:formatimage/svg+xml</dc:format>
        <dc:type
           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
        <dc:title />
      </cc:Work>
    </rdf:RDF>
  </metadata>
  <g
     inkscape:label="artwork"
     inkscape:groupmode="layer"
     id="layer1"
     transform="translate(0,-852.3622)"
     style="display:inline">
    <rect
style="color:#000000;display:inline;overflow:visible;visibility:visible;opacity:1;fill:#ff0000;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:10;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker:none;enable-background:accumulate"
       id="rect3486-8"
       width="200"
       height="200"
       x="0"
       y="852.36218" />
    <rect
style="color:#000000;display:inline;overflow:visible;visibility:visible;opacity:1;fill:url(#radialGradient4312);fill-opacity:1;fill-rule:nonzero;stroke:url(#linearGradient4322);stroke-width:10;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker:none;enable-background:accumulate"
       id="rect3486"
       width="180"
       height="180"
       x="10"
       y="862.36218" />
  </g>
  <g
     inkscape:groupmode="layer"
     id="layer2"
     inkscape:label="gradientHandles"
     style="display:inline">
    <path
style="color:#000000;display:inline;overflow:visible;visibility:visible;opacity:1;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#000000;stroke-width:0.99999994;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker:none;enable-background:accumulate"
       d="M 131.47545,181.7753 72.047652,122.30296 169.2084,25.215022"
       id="rect4338"
       inkscape:connector-curvature="0"
       sodipodi:nodetypes="ccc" />
    <path
style="display:inline;fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.99999994px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
       d="M 10,9.9999957 189.99999,189.99998"
       id="path4332"
       inkscape:connector-curvature="0"
       sodipodi:nodetypes="cc" />
  </g>
</svg>

[Inkscape-devel] Inkscape Gradient Handles Python API

Alejandro Tejada