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Add X11 color preview to GraphViz files

See original GitHub issue

Description

When the (built-in) GraphViz syntax is active, please inject the phantoms for detected X11 colors.

digraph D {

  A [shape=diamond]
  B [shape=box]
  C [shape=circle]

  A -> B [style=dashed, color=grey]
  A -> C [color=indianred2]
  A -> D [penwidth=5, arrowhead=none]

}

I don’t know if it’s possible to differentiate injection by scope, but if so, it would be even better if embedded HTML/CSS had the CSS colors injected, and the rest of source.dot had X11 colors.

digraph D {

  node [shape=plaintext]

  some_node [
   label=<
     <table border="0" cellborder="1" cellspacing="0">
       <tr><td bgcolor="yellow">Foo</td></tr>
       <tr><td bgcolor="lightblue"><font color="#0000ff">Bar</font></td></tr>
       <tr><td bgcolor="#f0e3ff"><font color="#ff1020">Baz</font></td></tr>
     </table>>
  ];

}

Support Info

ST ver.: 4125
Platform: osx
Arch: x64
Plugin ver.: 3.8.0
Install via PC: True
mdpopups ver.: 4.2.1

Issue Analytics

State:
Created 2 years ago
Comments:8 (5 by maintainers)

Top GitHub Comments

2reactions

facelessusercommented, Jan 14, 2022

I cut a release this morning as I wanted to also get some of the fixes out there. Hopefully, this provides enough functionality without giving too many false positives. As long as it’s balanced enough to be useful without being annoying, I think it should be fine,

1reaction

facelessusercommented, Jan 13, 2022

Yeah. I will probably skip HSV (for now). If GraphViz scoped bgcolor, color, etc. with something special to make them stand out as color attributes, it’d be easier to avoid false positives. I may play around and see if we can maybe use some look behinds to maybe check the attributes. If something like that worked, it’d be easy to do HSV, but right now I worry the non-specific color notation for HSV, coupled with no real scoping to indicate you are in an attribute that allows color, will just cause colors to appear in weird places.

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