1// Copyright 2017 The oksvg Authors. All rights reserved.
 2// created: 2/12/2017 by S.R.Wiley
 3//
 4// utils.go implements translation of an SVG2.0 path into a rasterx Path.
 5
 6package oksvg
 7
 8import (
 9	"image/color"
10
11	"github.com/srwiley/rasterx"
12)
13
14// PathStyle holds the state of the SVG style.
15type PathStyle struct {
16	FillOpacity, LineOpacity          float64
17	LineWidth, DashOffset, MiterLimit float64
18	Dash                              []float64
19	UseNonZeroWinding                 bool
20	fillerColor, linerColor           interface{} // either color.Color or rasterx.Gradient
21	LineGap                           rasterx.GapFunc
22	LeadLineCap                       rasterx.CapFunc // This is used if different than LineCap
23	LineCap                           rasterx.CapFunc
24	LineJoin                          rasterx.JoinMode
25	mAdder                            rasterx.MatrixAdder // current transform
26}
27
28// styleAttribute describes draw options, such as {"fill":"black"; "stroke":"white"}.
29type styleAttribute = map[string]string
30
31// DefaultStyle sets the default PathStyle to fill black, winding rule,
32// full opacity, no stroke, ButtCap line end and Bevel line connect.
33var DefaultStyle = PathStyle{1.0, 1.0, 2.0, 0.0, 4.0, nil, true,
34	color.NRGBA{0x00, 0x00, 0x00, 0xff}, nil,
35	nil, nil, rasterx.ButtCap, rasterx.Bevel, rasterx.MatrixAdder{M: rasterx.Identity}}