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Use dasharray and dashoffset attributes in svg context

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This commit is contained in:
Drahoslav 2017-12-24 14:46:58 +01:00
parent 0b3b26d85f
commit 484fe1caef
2 changed files with 25 additions and 12 deletions
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12
draw2dsvg/gc.go
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@ -81,6 +81,10 @@ func (gc *GraphicContext) drawPaths(drawType drawType, paths ...*draw2d.Path) {
svgPaths[i].StrokeWidth = toSvgLength(gc.Current.LineWidth) svgPaths[i].StrokeWidth = toSvgLength(gc.Current.LineWidth)
svgPaths[i].StrokeLinecap = gc.Current.Cap.String() svgPaths[i].StrokeLinecap = gc.Current.Cap.String()
svgPaths[i].StrokeLinejoin = gc.Current.Join.String() svgPaths[i].StrokeLinejoin = gc.Current.Join.String()
if len(gc.Current.Dash) > 0 {
svgPaths[i].StrokeDasharray = toSvgArray(gc.Current.Dash)
svgPaths[i].StrokeDashoffset = toSvgLength(gc.Current.DashOffset)
}
} else { } else {
svgPaths[i].Stroke = "none" svgPaths[i].Stroke = "none"
} }
@ -105,6 +109,14 @@ func toSvgLength(l float64) string {
return fmt.Sprintf("%.4f", l) return fmt.Sprintf("%.4f", l)
} }
func toSvgArray(nums []float64) string {
arr := make([]string, len(nums))
for i, num := range nums {
arr[i] = fmt.Sprintf("%.4f", num)
}
return strings.Join(arr, ",")
}
func toSvgPathDesc(p *draw2d.Path) string { // TODO move elsewhere func toSvgPathDesc(p *draw2d.Path) string { // TODO move elsewhere
parts := make([]string, len(p.Components)) parts := make([]string, len(p.Components))
ps := p.Points ps := p.Points

25
draw2dsvg/svg.go
View file

@ -11,15 +11,15 @@ import (
type Svg struct { type Svg struct {
XMLName xml.Name `xml:"svg"` XMLName xml.Name `xml:"svg"`
Xmlns string `xml:"xmlns,attr"` Xmlns string `xml:"xmlns,attr"`
Groups []Group `xml:"g"` Groups []Group `xml:"g"`
} }
type Group struct { type Group struct {
FillStroke FillStroke
Groups []Group `xml:"g"` Groups []Group `xml:"g"`
Paths []Path `xml:"path"` Paths []Path `xml:"path"`
Texts []Text `xml:"text"` Texts []Text `xml:"text"`
} }
type Path struct { type Path struct {
@ -29,17 +29,18 @@ type Path struct {
type Text struct { type Text struct {
FillStroke FillStroke
Text string `xml:",innerxml"` Text string `xml:",innerxml"`
Style string `xml:",attr,omitempty"` Style string `xml:",attr,omitempty"`
} }
/* shared attrs */ /* shared attrs */
type FillStroke struct { type FillStroke struct {
Fill string `xml:"fill,attr,omitempty"` Fill string `xml:"fill,attr,omitempty"`
Stroke string `xml:"stroke,attr,omitempty"` Stroke string `xml:"stroke,attr,omitempty"`
StrokeWidth string `xml:"stroke-width,attr,omitempty"` StrokeWidth string `xml:"stroke-width,attr,omitempty"`
StrokeLinecap string `xml:"stroke-linecap,attr,omitempty"` StrokeLinecap string `xml:"stroke-linecap,attr,omitempty"`
StrokeLinejoin string `xml:"stroke-linejoin,attr,omitempty"` StrokeLinejoin string `xml:"stroke-linejoin,attr,omitempty"`
} StrokeDasharray string `xml:"stroke-dasharray,attr,omitempty"`
StrokeDashoffset string `xml:"stroke-dashoffset,attr,omitempty"`
}