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Version history

1.2.5

  • RGBA ImageData check in colorquantization(), solving Issue #24 and #18

1.2.4

  • options.layering : default 0 = sequential, new method ; 1 = parallel, old method. (Enhancement Issue #17)
  • case insensitive option preset names
  • README.md reorganizing

1.2.3

  • Node.js Command line interface (Enhancement Issue #13)
  • FIXED: Pathomit problem thanks to EusthEnoptEron (Issue #14)
  • options.corsenabled for CORS Image loading thanks to neel-radica (Issue #12)

1.2.2

  • FIXED: missing hole in path because of incorrect bounding box (Issue #11)
  • Posterized3 option preset
  • Changed svgpathstring() arguments to simplify getsvgstring()

1.2.1

  • FIXED: Gaussian blur preprocessing is now independent of DOM and canvas, thus working directly with Node.js (Issue #9)

1.2.0

This is a major update, changing some internal logic and option default values. The API is compatible, so it should work out of the box.

  • FIXED: transparent holes are now possible. ( Issue #7 and #8 )
  • Deterministic output by default: options.colorsampling = 2 ; options.mincolorratio = 0 are deterministic and the defaults now.
  • Right angle enhancing: options.rightangleenhance ( default : true )
  • Option presets (see below)
  • Custom strokewidth with options.strokewidth ( default : 1 )
  • Line filter with options.linefilter ( default : false )
  • Simplified getsvgstring(); options.desc = false by default; splitpoint = fitpoint in fitseq(); small bugfixes and optimizations

Version history and README for the old 1.1.2 version is here.

1.1.2

  • minor bugfixes
  • lookup based pathscan()

1.1.1

  • Bugfix: CSS3 RGBA output in SVG was technically incorrect (however supported by major browsers), so this is changed. More info

1.1.0

  • it works with Node.js (external library required to load image into an ImageData object)
  • export as AMD module / Node module / browser or worker variable
  • new syntax: ImageTracer112.imageToTracedata(), no need to initialize
  • fixed options with hasOwnProperty: 0 values are not replaced with defaults, fixed polygons with coordinates x=0 or y=0
  • transparency support: alpha is not discarded now, it is given more weight in color quantization
  • new options.roundcoords : rounding coordinates to a given decimal place. This can reduce SVG length significantly (>20%) with minor loss of precision.
  • new options.desc : setting this to false will turn off path descriptions, reducing SVG length.
  • new options.viewbox : setting this to true will use viewBox instead of exact width and height
  • new options.colorsampling : color quantization will sample the colors now by default, can be turned off.
  • new options.blurradius : setting this to 1..5 will preprocess the image with a selective Gaussian blur with options.blurdelta treshold. This can filter noise and improve quality.
  • imagedataToTracedata() returns image width and height in tracedata
  • getsvgstring() needs now only tracedata and options as parameters
  • colorquantization() needs now only imgd and options as parameters
  • background field is removed from the results of color quantization
  • ESLint passed
  • test automation and simple statistics in imagetracer_test_automation.html

1.0.0 - 1.0.4

  • first published version + bugfixes