Gradients

Changes

• This MR adds support for gradients

• Refactored the color stop (Bs) operator

  • Fixes #77 (closed)
  • Fixed an issue incorrect color detection
  • Fixed incorrect opacity detection
  • Added support for type=0 CMYK color for colortype=5

• Added a finalize step to remove unused gradients from the generated SVG.

• The last optional value of the Bg operator is now a float value representing the aspect ratio of radial gradients

• Added an exception for operator token parsing failures.

• Added warning for unimplemented operators

• Bm, Bc, and Xm operators are ignored

• Added tests

• Still TODO:

  • Color stop mid-points

Checklist

• Change is tested

• Change is documented.

• Licenses are up to date