112 lines
2.4 KiB
Go
112 lines
2.4 KiB
Go
// Copyright 2015 The draw2d Authors. All rights reserved.
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// created: 16/12/2017 by Drahoslav Bednář
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package draw2dsvg
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import (
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"encoding/xml"
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)
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/* svg elements */
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type FontMode int
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const (
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SysFontMode FontMode = 1 << iota
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LinkFontMode
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SvgFontMode
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CssFontMode
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PathFontMode
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)
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type Svg struct {
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XMLName xml.Name `xml:"svg"`
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Xmlns string `xml:"xmlns,attr"`
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Fonts []*Font `xml:"defs>font"`
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Groups []*Group `xml:"g"`
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fontMode FontMode
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FillStroke
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}
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func NewSvg() *Svg {
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return &Svg{
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Xmlns: "http://www.w3.org/2000/svg",
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FillStroke: FillStroke{Fill: "none", Stroke: "none"},
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fontMode: SvgFontMode,
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}
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}
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type Group struct {
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FillStroke
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Transform string `xml:"transform,attr,omitempty"`
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Groups []*Group `xml:"g"`
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Paths []*Path `xml:"path"`
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Texts []*Text `xml:"text"`
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}
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type Path struct {
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FillStroke
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Desc string `xml:"d,attr"`
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}
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type Text struct {
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FillStroke
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Position
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FontSize float64 `xml:"font-size,attr,omitempty"`
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FontFamily string `xml:"font-family,attr,omitempty"`
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Text string `xml:",innerxml"`
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Style string `xml:"style,attr,omitempty"`
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}
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type Font struct {
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Identity
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Face *Face `xml:"font-face"`
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Glyphs []*Glyph `xml:"glyph"`
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}
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type Face struct {
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Family string `xml:"font-family,attr"`
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Units int `xml:"units-per-em,attr"`
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HorizAdvX float64 `xml:"horiz-adv-x,attr"`
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// TODO add other attrs, like style, variant, weight...
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}
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type Glyph struct {
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Rune Rune `xml:"unicode,attr"`
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Desc string `xml:"d,attr"`
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HorizAdvX float64 `xml:"horiz-adv-x,attr"`
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}
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type Rune rune
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func (r Rune) MarshalXMLAttr(name xml.Name) (xml.Attr, error) {
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return xml.Attr{
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Name: name,
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Value: string(rune(r)),
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}, nil
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}
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/* shared attrs */
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type Identity struct {
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Id string `xml:"id,attr"`
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Name string `xml:"name,attr"`
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}
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type Position struct {
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X float64 `xml:"x,attr,omitempty"`
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Y float64 `xml:"y,attr,omitempty"`
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}
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type FillStroke struct {
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Fill string `xml:"fill,attr,omitempty"`
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FillRule string `xml:"fill-rule,attr,omitempty"`
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Stroke string `xml:"stroke,attr,omitempty"`
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StrokeWidth string `xml:"stroke-width,attr,omitempty"`
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StrokeLinecap string `xml:"stroke-linecap,attr,omitempty"`
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StrokeLinejoin string `xml:"stroke-linejoin,attr,omitempty"`
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StrokeDasharray string `xml:"stroke-dasharray,attr,omitempty"`
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StrokeDashoffset string `xml:"stroke-dashoffset,attr,omitempty"`
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}
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