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Add ability to specify clipPathUnits

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Alisa Mylnikova 2018-06-05 18:08:54 +07:00
parent 557c8ce95d
commit 3c37381778
1 changed files with 29 additions and 11 deletions
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40
Source/svg/SVGParser.swift
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@ -262,34 +262,34 @@ open class SVGParser {
if let rule = getFillRule(styleAttributes) { if let rule = getFillRule(styleAttributes) {
path = Path(segments: path.segments, fillRule: rule) path = Path(segments: path.segments, fillRule: rule)
} }
return Shape(form: path, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes), tag: getTag(element)) return Shape(form: path, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes, boundingBox: path.bounds()), tag: getTag(element))
} }
case "line": case "line":
if let line = parseLine(node) { if let line = parseLine(node) {
return Shape(form: line, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes), tag: getTag(element)) return Shape(form: line, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes, boundingBox: line.bounds()), tag: getTag(element))
} }
case "rect": case "rect":
if let rect = parseRect(node) { if let rect = parseRect(node) {
return Shape(form: rect, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes), tag: getTag(element)) return Shape(form: rect, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes, boundingBox: rect.bounds()), tag: getTag(element))
} }
case "circle": case "circle":
if let circle = parseCircle(node) { if let circle = parseCircle(node) {
return Shape(form: circle, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes), tag: getTag(element)) return Shape(form: circle, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes, boundingBox: circle.bounds()), tag: getTag(element))
} }
case "ellipse": case "ellipse":
if let ellipse = parseEllipse(node) { if let ellipse = parseEllipse(node) {
return Shape(form: ellipse, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes), tag: getTag(element)) return Shape(form: ellipse, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes, boundingBox: ellipse.bounds()), tag: getTag(element))
} }
case "polygon": case "polygon":
if let polygon = parsePolygon(node) { if let polygon = parsePolygon(node) {
return Shape(form: polygon, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes), tag: getTag(element)) return Shape(form: polygon, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes, boundingBox: polygon.bounds()), tag: getTag(element))
} }
case "polyline": case "polyline":
if let polyline = parsePolyline(node) { if let polyline = parsePolyline(node) {
return Shape(form: polyline, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes), tag: getTag(element)) return Shape(form: polyline, fill: getFillColor(styleAttributes, groupStyle: styleAttributes), stroke: getStroke(styleAttributes, groupStyle: styleAttributes), place: position, opacity: getOpacity(styleAttributes), clip: getClipPath(styleAttributes, boundingBox: polyline.bounds()), tag: getTag(element))
} }
case "image": case "image":
return parseImage(node, opacity: getOpacity(styleAttributes), pos: position, clip: getClipPath(styleAttributes)) return parseImage(node, opacity: getOpacity(styleAttributes), pos: position, clip: getClipPath(styleAttributes, boundingBox: Rect()))
case "text": case "text":
return parseText(node, textAnchor: getTextAnchor(styleAttributes), fill: getFillColor(styleAttributes, groupStyle: styleAttributes), return parseText(node, textAnchor: getTextAnchor(styleAttributes), fill: getFillColor(styleAttributes, groupStyle: styleAttributes),
stroke: getStroke(styleAttributes, groupStyle: styleAttributes), opacity: getOpacity(styleAttributes), fontName: getFontName(styleAttributes), fontSize: getFontSize(styleAttributes), fontWeight: getFontWeight(styleAttributes), pos: position) stroke: getStroke(styleAttributes, groupStyle: styleAttributes), opacity: getOpacity(styleAttributes), fontName: getFontName(styleAttributes), fontSize: getFontSize(styleAttributes), fontWeight: getFontWeight(styleAttributes), pos: position)
@ -1019,13 +1019,18 @@ open class SVGParser {
} }
fileprivate func parseClip(_ clip: XMLIndexer) -> Locus? { fileprivate func parseClip(_ clip: XMLIndexer) -> Locus? {
var userSpace = true
if let units = clip.element?.allAttributes["clipPathUnits"]?.text, units == "objectBoundingBox" {
userSpace = false
}
var path: Path? = .none var path: Path? = .none
clip.children.forEach { indexer in clip.children.forEach { indexer in
if let shape = parseNode(indexer) as? Shape { if let shape = parseNode(indexer) as? Shape {
if let p = path { if let p = path {
path = Path(segments: p.segments + shape.form.toPath() .segments) path = UserSpacePath(segments: p.segments + shape.form.toPath() .segments, userSpace: userSpace)
} else { } else {
path = shape.form.toPath() path = UserSpacePath(segments: shape.form.toPath().segments, userSpace: userSpace)
} }
} }
} }
@ -1407,9 +1412,13 @@ open class SVGParser {
return false return false
} }
fileprivate func getClipPath(_ attributes: [String: String]) -> Locus? { fileprivate func getClipPath(_ attributes: [String: String], boundingBox: Rect) -> Locus? {
if let clipPath = attributes["clip-path"], let id = parseIdFromUrl(clipPath) { if let clipPath = attributes["clip-path"], let id = parseIdFromUrl(clipPath) {
if let locus = defClip[id] { if let locus = defClip[id] {
if let userSpacePath = locus as? UserSpacePath, !userSpacePath.userSpace {
let transform = ContentLayout.of(contentMode: .scaleAspectFit).layout(size: Size(w: 1, h: 1), into: boundingBox.size()).move(dx: boundingBox.x / boundingBox.w, dy: boundingBox.y / boundingBox.h)
return TransformedLocus(locus: userSpacePath as Path, transform: transform)
}
return locus return locus
} }
} }
@ -1697,3 +1706,12 @@ fileprivate extension String {
return String(self[start..<end]) return String(self[start..<end])
} }
} }
fileprivate class UserSpacePath: Path {
let userSpace: Bool
init(segments: [PathSegment], userSpace: Bool) {
self.userSpace = userSpace
super.init(segments: segments, fillRule: .nonzero)
}
}