Merge pull request #20209 from yomboprime/svgdef

SVGLoader: Implement 'defs' and 'use' nodes

examples/js/loaders/SVGLoader.js

@@ -59,6 +59,8 @@ THREE.SVGLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype
 
 			var transform = getNodeTransform( node );
 
+			var traverseChildNodes = true;
+
 			var path = null;
 
 			switch ( node.nodeName ) {
@@ -109,6 +111,24 @@ THREE.SVGLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype
 					path = parseLineNode( node );
 					break;
 
+				case 'defs':
+					traverseChildNodes = false;
+					break;
+
+				case 'use':
+					style = parseStyle( node, style );
+					var usedNodeId = node.href.baseVal.substring( 1 );
+					var usedNode = node.viewportElement.getElementById( usedNodeId );
+					if ( usedNode ) {
+
+						parseNode( usedNode, style );
+
+					}
+					else console.warn( "SVGLoader: 'use node' references non-existent node id: " + usedNodeId );
+					break;
+
+				break;
+
 				default:
 					// console.log( node );
 
@@ -130,11 +150,15 @@ THREE.SVGLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype
 
 			}
 
-			var nodes = node.childNodes;
+			if ( traverseChildNodes ) {
+
+				var nodes = node.childNodes;
 
-			for ( var i = 0; i < nodes.length; i ++ ) {
+				for ( var i = 0; i < nodes.length; i ++ ) {
 
-				parseNode( nodes[ i ], style );
+					parseNode( nodes[ i ], style );
+
+				}
 
 			}
 
@@ -641,13 +665,13 @@ THREE.SVGLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype
 			rx = Math.abs( rx );
 			ry = Math.abs( ry );
 
-			// Compute (x1′, y1′)
+			// Compute (x1', y1')
 			var dx2 = ( start.x - end.x ) / 2.0;
 			var dy2 = ( start.y - end.y ) / 2.0;
 			var x1p = Math.cos( x_axis_rotation ) * dx2 + Math.sin( x_axis_rotation ) * dy2;
 			var y1p = - Math.sin( x_axis_rotation ) * dx2 + Math.cos( x_axis_rotation ) * dy2;
 
-			// Compute (cx′, cy′)
+			// Compute (cx', cy')
 			var rxs = rx * rx;
 			var rys = ry * ry;
 			var x1ps = x1p * x1p;
@@ -674,7 +698,7 @@ THREE.SVGLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype
 			var cxp = q * rx * y1p / ry;
 			var cyp = - q * ry * x1p / rx;
 
-			// Step 3: Compute (cx, cy) from (cx′, cy′)
+			// Step 3: Compute (cx, cy) from (cx', cy')
 			var cx = Math.cos( x_axis_rotation ) * cxp - Math.sin( x_axis_rotation ) * cyp + ( start.x + end.x ) / 2;
 			var cy = Math.sin( x_axis_rotation ) * cxp + Math.cos( x_axis_rotation ) * cyp + ( start.y + end.y ) / 2;
 
@@ -887,6 +911,8 @@ THREE.SVGLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype
 
 				if ( adjustFunction === undefined ) adjustFunction = function copy( v ) {
 
+					if ( v.startsWith( 'url' ) ) console.warn( "SVGLoader: url access in attributes is not implemented." );
+
 					return v;
 
 				};
@@ -1069,7 +1095,7 @@ THREE.SVGLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype
 
 		function getNodeTransform( node ) {
 
-			if ( ! node.hasAttribute( 'transform' ) ) {
+			if ( ! ( node.hasAttribute( 'transform' ) || ( node.nodeName === 'use' && ( node.hasAttribute( 'x' ) || node.hasAttribute( 'y' ) ) ) ) ) {
 
 				return null;
 
@@ -1094,142 +1120,156 @@ THREE.SVGLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype
 
 			var transform = new THREE.Matrix3();
 			var currentTransform = tempTransform0;
-			var transformsTexts = node.getAttribute( 'transform' ).split( ')' );
 
-			for ( var tIndex = transformsTexts.length - 1; tIndex >= 0; tIndex -- ) {
+			if ( node.nodeName === 'use' && ( node.hasAttribute( 'x' ) || node.hasAttribute( 'y' ) ) ) {
+
+				var tx = parseFloatWithUnits( node.getAttribute( 'x' ) );
+				var ty = parseFloatWithUnits( node.getAttribute( 'y' ) );
 
-				var transformText = transformsTexts[ tIndex ].trim();
+				transform.translate( tx, ty );
 
-				if ( transformText === '' ) continue;
+			}
 
-				var openParPos = transformText.indexOf( '(' );
-				var closeParPos = transformText.length;
+			if ( node.hasAttribute( 'transform' ) ) {
 
-				if ( openParPos > 0 && openParPos < closeParPos ) {
+				var transformsTexts = node.getAttribute( 'transform' ).split( ')' );
 
-					var transformType = transformText.substr( 0, openParPos );
+				for ( var tIndex = transformsTexts.length - 1; tIndex >= 0; tIndex -- ) {
 
-					var array = parseFloats( transformText.substr( openParPos + 1, closeParPos - openParPos - 1 ) );
+					var transformText = transformsTexts[ tIndex ].trim();
 
-					currentTransform.identity();
+					if ( transformText === '' ) continue;
+
+					var openParPos = transformText.indexOf( '(' );
+					var closeParPos = transformText.length;
+
+					if ( openParPos > 0 && openParPos < closeParPos ) {
+
+						var transformType = transformText.substr( 0, openParPos );
+
+						var array = parseFloats( transformText.substr( openParPos + 1, closeParPos - openParPos - 1 ) );
+
+						currentTransform.identity();
+
+						switch ( transformType ) {
 
-					switch ( transformType ) {
+							case "translate":
 
-						case "translate":
+								if ( array.length >= 1 ) {
 
-							if ( array.length >= 1 ) {
+									var tx = array[ 0 ];
+									var ty = tx;
 
-								var tx = array[ 0 ];
-								var ty = tx;
+									if ( array.length >= 2 ) {
 
-								if ( array.length >= 2 ) {
+										ty = array[ 1 ];
 
-									ty = array[ 1 ];
+									}
+
+									currentTransform.translate( tx, ty );
 
 								}
 
-								currentTransform.translate( tx, ty );
+								break;
 
-							}
+							case "rotate":
 
-							break;
+								if ( array.length >= 1 ) {
 
-						case "rotate":
+									var angle = 0;
+									var cx = 0;
+									var cy = 0;
 
-							if ( array.length >= 1 ) {
+									// Angle
+									angle = - array[ 0 ] * Math.PI / 180;
 
-								var angle = 0;
-								var cx = 0;
-								var cy = 0;
+									if ( array.length >= 3 ) {
 
-								// Angle
-								angle = - array[ 0 ] * Math.PI / 180;
+										// Center x, y
+										cx = array[ 1 ];
+										cy = array[ 2 ];
 
-								if ( array.length >= 3 ) {
+									}
 
-									// Center x, y
-									cx = array[ 1 ];
-									cy = array[ 2 ];
+									// Rotate around center (cx, cy)
+									tempTransform1.identity().translate( - cx, - cy );
+									tempTransform2.identity().rotate( angle );
+									tempTransform3.multiplyMatrices( tempTransform2, tempTransform1 );
+									tempTransform1.identity().translate( cx, cy );
+									currentTransform.multiplyMatrices( tempTransform1, tempTransform3 );
 
 								}
 
-								// Rotate around center (cx, cy)
-								tempTransform1.identity().translate( - cx, - cy );
-								tempTransform2.identity().rotate( angle );
-								tempTransform3.multiplyMatrices( tempTransform2, tempTransform1 );
-								tempTransform1.identity().translate( cx, cy );
-								currentTransform.multiplyMatrices( tempTransform1, tempTransform3 );
+								break;
 
-							}
+							case "scale":
 
-							break;
+								if ( array.length >= 1 ) {
 
-						case "scale":
+									var scaleX = array[ 0 ];
+									var scaleY = scaleX;
 
-							if ( array.length >= 1 ) {
+									if ( array.length >= 2 ) {
 
-								var scaleX = array[ 0 ];
-								var scaleY = scaleX;
+										scaleY = array[ 1 ];
 
-								if ( array.length >= 2 ) {
+									}
 
-									scaleY = array[ 1 ];
+									currentTransform.scale( scaleX, scaleY );
 
 								}
 
-								currentTransform.scale( scaleX, scaleY );
+								break;
 
-							}
+							case "skewX":
 
-							break;
+								if ( array.length === 1 ) {
 
-						case "skewX":
+									currentTransform.set(
+										1, Math.tan( array[ 0 ] * Math.PI / 180 ), 0,
+										0, 1, 0,
+										0, 0, 1
+									);
 
-							if ( array.length === 1 ) {
+								}
 
-								currentTransform.set(
-									1, Math.tan( array[ 0 ] * Math.PI / 180 ), 0,
-									0, 1, 0,
-									0, 0, 1
-								);
+								break;
 
-							}
+							case "skewY":
 
-							break;
+								if ( array.length === 1 ) {
 
-						case "skewY":
+									currentTransform.set(
+										1, 0, 0,
+										Math.tan( array[ 0 ] * Math.PI / 180 ), 1, 0,
+										0, 0, 1
+									);
 
-							if ( array.length === 1 ) {
+								}
 
-								currentTransform.set(
-									1, 0, 0,
-									Math.tan( array[ 0 ] * Math.PI / 180 ), 1, 0,
-									0, 0, 1
-								);
+								break;
 
-							}
+							case "matrix":
 
-							break;
+								if ( array.length === 6 ) {
 
-						case "matrix":
+									currentTransform.set(
+										array[ 0 ], array[ 2 ], array[ 4 ],
+										array[ 1 ], array[ 3 ], array[ 5 ],
+										0, 0, 1
+									);
 
-							if ( array.length === 6 ) {
+								}
 
-								currentTransform.set(
-									array[ 0 ], array[ 2 ], array[ 4 ],
-									array[ 1 ], array[ 3 ], array[ 5 ],
-									0, 0, 1
-								);
+								break;
 
-							}
-
-							break;
+						}
 
 					}
 
-				}
+					transform.premultiply( currentTransform );
 
-				transform.premultiply( currentTransform );
+				}
 
 			}
 

examples/jsm/loaders/SVGLoader.js

@@ -69,6 +69,8 @@ SVGLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 
 			var transform = getNodeTransform( node );
 
+			var traverseChildNodes = true;
+
 			var path = null;
 
 			switch ( node.nodeName ) {
@@ -119,6 +121,24 @@ SVGLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 					path = parseLineNode( node );
 					break;
 
+				case 'defs':
+					traverseChildNodes = false;
+					break;
+
+				case 'use':
+					style = parseStyle( node, style );
+					var usedNodeId = node.href.baseVal.substring( 1 );
+					var usedNode = node.viewportElement.getElementById( usedNodeId );
+					if ( usedNode ) {
+
+						parseNode( usedNode, style );
+
+					}
+					else console.warn( "SVGLoader: 'use node' references non-existent node id: " + usedNodeId );
+					break;
+
+				break;
+
 				default:
 					// console.log( node );
 
@@ -140,11 +160,15 @@ SVGLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 
 			}
 
-			var nodes = node.childNodes;
+			if ( traverseChildNodes ) {
+
+				var nodes = node.childNodes;
 
-			for ( var i = 0; i < nodes.length; i ++ ) {
+				for ( var i = 0; i < nodes.length; i ++ ) {
 
-				parseNode( nodes[ i ], style );
+					parseNode( nodes[ i ], style );
+
+				}
 
 			}
 
@@ -651,13 +675,13 @@ SVGLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 			rx = Math.abs( rx );
 			ry = Math.abs( ry );
 
-			// Compute (x1′, y1′)
+			// Compute (x1', y1')
 			var dx2 = ( start.x - end.x ) / 2.0;
 			var dy2 = ( start.y - end.y ) / 2.0;
 			var x1p = Math.cos( x_axis_rotation ) * dx2 + Math.sin( x_axis_rotation ) * dy2;
 			var y1p = - Math.sin( x_axis_rotation ) * dx2 + Math.cos( x_axis_rotation ) * dy2;
 
-			// Compute (cx′, cy′)
+			// Compute (cx', cy')
 			var rxs = rx * rx;
 			var rys = ry * ry;
 			var x1ps = x1p * x1p;
@@ -684,7 +708,7 @@ SVGLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 			var cxp = q * rx * y1p / ry;
 			var cyp = - q * ry * x1p / rx;
 
-			// Step 3: Compute (cx, cy) from (cx′, cy′)
+			// Step 3: Compute (cx, cy) from (cx', cy')
 			var cx = Math.cos( x_axis_rotation ) * cxp - Math.sin( x_axis_rotation ) * cyp + ( start.x + end.x ) / 2;
 			var cy = Math.sin( x_axis_rotation ) * cxp + Math.cos( x_axis_rotation ) * cyp + ( start.y + end.y ) / 2;
 
@@ -897,6 +921,8 @@ SVGLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 
 				if ( adjustFunction === undefined ) adjustFunction = function copy( v ) {
 
+					if ( v.startsWith( 'url' ) ) console.warn( "SVGLoader: url access in attributes is not implemented." );
+
 					return v;
 
 				};
@@ -1079,7 +1105,7 @@ SVGLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 
 		function getNodeTransform( node ) {
 
-			if ( ! node.hasAttribute( 'transform' ) ) {
+			if ( ! ( node.hasAttribute( 'transform' ) || ( node.nodeName === 'use' && ( node.hasAttribute( 'x' ) || node.hasAttribute( 'y' ) ) ) ) ) {
 
 				return null;
 
@@ -1104,142 +1130,156 @@ SVGLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 
 			var transform = new Matrix3();
 			var currentTransform = tempTransform0;
-			var transformsTexts = node.getAttribute( 'transform' ).split( ')' );
 
-			for ( var tIndex = transformsTexts.length - 1; tIndex >= 0; tIndex -- ) {
+			if ( node.nodeName === 'use' && ( node.hasAttribute( 'x' ) || node.hasAttribute( 'y' ) ) ) {
+
+				var tx = parseFloatWithUnits( node.getAttribute( 'x' ) );
+				var ty = parseFloatWithUnits( node.getAttribute( 'y' ) );
 
-				var transformText = transformsTexts[ tIndex ].trim();
+				transform.translate( tx, ty );
 
-				if ( transformText === '' ) continue;
+			}
 
-				var openParPos = transformText.indexOf( '(' );
-				var closeParPos = transformText.length;
+			if ( node.hasAttribute( 'transform' ) ) {
 
-				if ( openParPos > 0 && openParPos < closeParPos ) {
+				var transformsTexts = node.getAttribute( 'transform' ).split( ')' );
 
-					var transformType = transformText.substr( 0, openParPos );
+				for ( var tIndex = transformsTexts.length - 1; tIndex >= 0; tIndex -- ) {
 
-					var array = parseFloats( transformText.substr( openParPos + 1, closeParPos - openParPos - 1 ) );
+					var transformText = transformsTexts[ tIndex ].trim();
 
-					currentTransform.identity();
+					if ( transformText === '' ) continue;
+
+					var openParPos = transformText.indexOf( '(' );
+					var closeParPos = transformText.length;
+
+					if ( openParPos > 0 && openParPos < closeParPos ) {
+
+						var transformType = transformText.substr( 0, openParPos );
+
+						var array = parseFloats( transformText.substr( openParPos + 1, closeParPos - openParPos - 1 ) );
+
+						currentTransform.identity();
+
+						switch ( transformType ) {
 
-					switch ( transformType ) {
+							case "translate":
 
-						case "translate":
+								if ( array.length >= 1 ) {
 
-							if ( array.length >= 1 ) {
+									var tx = array[ 0 ];
+									var ty = tx;
 
-								var tx = array[ 0 ];
-								var ty = tx;
+									if ( array.length >= 2 ) {
 
-								if ( array.length >= 2 ) {
+										ty = array[ 1 ];
 
-									ty = array[ 1 ];
+									}
+
+									currentTransform.translate( tx, ty );
 
 								}
 
-								currentTransform.translate( tx, ty );
+								break;
 
-							}
+							case "rotate":
 
-							break;
+								if ( array.length >= 1 ) {
 
-						case "rotate":
+									var angle = 0;
+									var cx = 0;
+									var cy = 0;
 
-							if ( array.length >= 1 ) {
+									// Angle
+									angle = - array[ 0 ] * Math.PI / 180;
 
-								var angle = 0;
-								var cx = 0;
-								var cy = 0;
+									if ( array.length >= 3 ) {
 
-								// Angle
-								angle = - array[ 0 ] * Math.PI / 180;
+										// Center x, y
+										cx = array[ 1 ];
+										cy = array[ 2 ];
 
-								if ( array.length >= 3 ) {
+									}
 
-									// Center x, y
-									cx = array[ 1 ];
-									cy = array[ 2 ];
+									// Rotate around center (cx, cy)
+									tempTransform1.identity().translate( - cx, - cy );
+									tempTransform2.identity().rotate( angle );
+									tempTransform3.multiplyMatrices( tempTransform2, tempTransform1 );
+									tempTransform1.identity().translate( cx, cy );
+									currentTransform.multiplyMatrices( tempTransform1, tempTransform3 );
 
 								}
 
-								// Rotate around center (cx, cy)
-								tempTransform1.identity().translate( - cx, - cy );
-								tempTransform2.identity().rotate( angle );
-								tempTransform3.multiplyMatrices( tempTransform2, tempTransform1 );
-								tempTransform1.identity().translate( cx, cy );
-								currentTransform.multiplyMatrices( tempTransform1, tempTransform3 );
+								break;
 
-							}
+							case "scale":
 
-							break;
+								if ( array.length >= 1 ) {
 
-						case "scale":
+									var scaleX = array[ 0 ];
+									var scaleY = scaleX;
 
-							if ( array.length >= 1 ) {
+									if ( array.length >= 2 ) {
 
-								var scaleX = array[ 0 ];
-								var scaleY = scaleX;
+										scaleY = array[ 1 ];
 
-								if ( array.length >= 2 ) {
+									}
 
-									scaleY = array[ 1 ];
+									currentTransform.scale( scaleX, scaleY );
 
 								}
 
-								currentTransform.scale( scaleX, scaleY );
+								break;
 
-							}
+							case "skewX":
 
-							break;
+								if ( array.length === 1 ) {
 
-						case "skewX":
+									currentTransform.set(
+										1, Math.tan( array[ 0 ] * Math.PI / 180 ), 0,
+										0, 1, 0,
+										0, 0, 1
+									);
 
-							if ( array.length === 1 ) {
+								}
 
-								currentTransform.set(
-									1, Math.tan( array[ 0 ] * Math.PI / 180 ), 0,
-									0, 1, 0,
-									0, 0, 1
-								);
+								break;
 
-							}
+							case "skewY":
 
-							break;
+								if ( array.length === 1 ) {
 
-						case "skewY":
+									currentTransform.set(
+										1, 0, 0,
+										Math.tan( array[ 0 ] * Math.PI / 180 ), 1, 0,
+										0, 0, 1
+									);
 
-							if ( array.length === 1 ) {
+								}
 
-								currentTransform.set(
-									1, 0, 0,
-									Math.tan( array[ 0 ] * Math.PI / 180 ), 1, 0,
-									0, 0, 1
-								);
+								break;
 
-							}
+							case "matrix":
 
-							break;
+								if ( array.length === 6 ) {
 
-						case "matrix":
+									currentTransform.set(
+										array[ 0 ], array[ 2 ], array[ 4 ],
+										array[ 1 ], array[ 3 ], array[ 5 ],
+										0, 0, 1
+									);
 
-							if ( array.length === 6 ) {
+								}
 
-								currentTransform.set(
-									array[ 0 ], array[ 2 ], array[ 4 ],
-									array[ 1 ], array[ 3 ], array[ 5 ],
-									0, 0, 1
-								);
+								break;
 
-							}
-
-							break;
+						}
 
 					}
 
-				}
+					transform.premultiply( currentTransform );
 
-				transform.premultiply( currentTransform );
+				}
 
 			}
 

examples/models/svg/tests/testDefs/Svg-defs-license.txt

@@ -0,0 +1,6 @@
+File: Svg-defs.svg
+Link: https://commons.wikimedia.org/wiki/File:Svg-defs.svg
+License: CC-BY-SA 2.5
+License link: https://creativecommons.org/licenses/by-sa/3.0/deed.en
+
+The file Svg-defs2.svg is a derived work of the same file.

examples/models/svg/tests/testDefs/Svg-defs.svg

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Created by User:Pietn for Wikipedia -->
+<svg width="105" height="85" version="1.1" 
+ xmlns="http://www.w3.org/2000/svg" 
+ xmlns:xlink="http://www.w3.org/1999/xlink">
+ <title>...</title>
+ <defs>
+   <circle r="30" id="schijf" />
+ </defs>
+ <use x="35" y="35" xlink:href="#schijf" fill="darkorchid" />
+ <use x="70" y="50" xlink:href="#schijf" fill="orangered" />
+</svg>

examples/models/svg/tests/testDefs/Svg-defs2.svg

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created by User:Pietn for Wikipedia -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="105"
+   height="85"
+   version="1.1"
+   id="svg11"
+   sodipodi:docname="Svg-defs2.svg"
+   inkscape:version="0.92.5 (2060ec1f9f, 2020-04-08)">
+  <metadata
+     id="metadata15">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1489"
+     inkscape:window-height="909"
+     id="namedview13"
+     showgrid="false"
+     inkscape:zoom="2.7764706"
+     inkscape:cx="52.5"
+     inkscape:cy="42.5"
+     inkscape:window-x="0"
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examples/models/svg/tests/testDefs/Wave-defs-license.txt

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+License link: https://creativecommons.org/licenses/by-sa/3.0/deed.en

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+       style="font-size:32px;line-height:1.25"
+       id="path880" />
+  </g>
+  <path
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+     d="m 555.38413,89.149943 0,87.873667"
+     id="path3249-4-5"
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+  <path
+     style="fill:#000000;fill-opacity:1;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+     inkscape:connector-curvature="0" />
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+     id="path3040-7-0-9-1"
+     inkscape:connector-curvature="0" />
+  <path
+     style="fill:none;stroke:#000000;stroke-width:0.99999988px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+     d="m 430.49146,79.06747 132.14053,0"
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+     inkscape:connector-curvature="0" />
+  <text
+     xml:space="preserve"
+     style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;line-height:0%;font-family:'Times New Roman';-inkscape-font-specification:'Times New Roman, Bold';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none"
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+       id="tspan4443"
+       x="543.37781"
+       y="129.51469"
+       style="font-size:24px;line-height:1.25">^</tspan></text>
+  <g
+     aria-label="a"
+     style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;line-height:0%;font-family:'Times New Roman';-inkscape-font-specification:'Times New Roman,';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none"
+     id="text4445">
+    <path
+       d="m 543.54187,126.27724 q 2.40625,0 3.53125,0.98437 1.14063,0.98438 1.14063,3.01563 v 9.92187 l 1.82812,0.39063 v 0.70312 h -4.03125 l -0.29687,-1.46875 q -1.78125,1.78125 -4.54688,1.78125 -3.76562,0 -3.76562,-4.375 0,-1.46875 0.5625,-2.42187 0.57812,-0.96875 1.82812,-1.46875 1.25,-0.51563 3.625,-0.5625 l 2.20313,-0.0625 v -2.29688 q 0,-1.51562 -0.5625,-2.23437 -0.54688,-0.71875 -1.70313,-0.71875 -1.5625,0 -2.85937,0.73437 l -0.53125,1.82813 h -0.875 v -3.20313 q 2.53125,-0.54687 4.45312,-0.54687 z m 2.07813,7.53125 -2.04688,0.0625 q -2.09375,0.0781 -2.84375,0.8125 -0.73437,0.73437 -0.73437,2.45312 0,2.75 2.23437,2.75 1.0625,0 1.82813,-0.23437 0.78125,-0.25 1.5625,-0.625 z"
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+</svg>

examples/models/svg/tests/testDefs/defs4.svg

@@ -0,0 +1,26 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1440" height="1024" viewBox="0 0 1440 1024">
+  <defs>
+    <linearGradient id="3-a" x1="50%" x2="50%" y1="0%" y2="100%">
+      <stop offset="0%" stop-color="#C5CED9" stop-opacity=".588"/>
+      <stop offset="100%" stop-color="#F4F7FF" stop-opacity=".572"/>
+    </linearGradient>
+    <path id="3-b" d="M321.346046,91.4814692 L301.77812,116.380946 L307.79941,148.394812 L342.921912,168.212654 L380.054887,156.016884 L388.081586,118.92189 L371.524305,91.9896579 L351.953847,84.8745089 L321.346046,91.4814692 Z M129.35603,62.2217482 L86.9436649,89.4715029 L79.9272671,140.304305 L123.425895,187.67955 L186.175939,188.290541 L217.168617,136.99057 L205.559023,88.4024581 L179.336787,67.8672771 L129.35603,62.2217482 Z M256.912168,42.5143047 L252.848177,56.2708502 L260.897664,68.5952505 L279.242595,70.8247483 L292.956348,59.3493549 L290.016601,42.487971 L278.353834,34.0963997 L268.807887,34.4931769 L256.912168,42.5143047 Z M275.100109,308.77255 L264.047573,347.31083 L285.942482,381.835761 L335.852341,388.082406 L373.165094,355.932568 L365.16878,308.699119 L333.439267,285.191275 L307.462643,286.302858 L275.100109,308.77255 Z M151.635815,279.354827 L124.965401,278.934501 L106.511591,298.864515 L111.03642,331.814491 L138.091711,350.103716 L167.096705,336.86093 L176.781917,312.547883 L171.621535,296.150123 L151.635815,279.354827 Z"/>
+    <filter id="3-c" width="101.3%" height="101.1%" x="-.6%" y="-.6%" filterUnits="objectBoundingBox">
+      <feOffset dy="4" in="SourceAlpha" result="shadowOffsetInner1"/>
+      <feComposite in="shadowOffsetInner1" in2="SourceAlpha" k2="-1" k3="1" operator="arithmetic" result="shadowInnerInner1"/>
+      <feColorMatrix in="shadowInnerInner1" values="0 0 0 0 0.223529412   0 0 0 0 0.28627451   0 0 0 0 0.337254902  0 0 0 0.198567708 0"/>
+    </filter>
+  </defs>
+  <g fill="none" fill-rule="evenodd" transform="translate(261 -112.906)">
+    <polygon fill="#F4F7FF" fill-opacity=".05" points="85.311 458.348 102.671 578.387 168.33 700.693 301.167 802.611 356.261 821.484 458.154 836.586 574.384 819.222 731.37 728.626 767.595 676.534 826.465 549.701 833.259 410.032 802.315 296.034 747.217 214.499 629.478 123.146 563.814 98.988 434 84.644 323.055 110.312 207.578 185.055 117.007 306.604 100.404 351.901" transform="rotate(-15 459.285 460.615)"/>
+    <polygon fill="#F4F7FF" fill-opacity=".05" points="133.315 458.639 148.447 563.27 205.678 669.875 321.464 758.711 369.486 775.162 458.299 788.326 559.609 773.19 696.445 694.224 728.02 648.818 779.332 538.266 785.255 416.525 758.283 317.16 710.257 246.091 607.631 166.465 550.396 145.407 437.245 132.904 340.542 155.278 239.888 220.427 160.943 326.373 146.471 365.856" transform="rotate(15 459.285 460.615)"/>
+    <polygon fill="#F4F7FF" fill-opacity=".1" points="179.173 458.917 192.176 548.828 241.356 640.436 340.853 716.774 382.119 730.911 458.438 742.222 545.495 729.217 663.081 661.359 690.213 622.341 734.307 527.342 739.396 422.727 716.219 337.342 674.95 276.27 586.761 207.846 537.578 189.751 440.346 179.007 357.247 198.233 270.753 254.217 202.915 345.258 190.479 379.187"/>
+    <g transform="translate(226 226)">
+      <polygon fill="#F4F7FF" points=".134 233.202 10.957 308.039 51.892 384.289 134.708 447.829 169.056 459.595 232.58 469.011 305.042 458.185 402.914 401.704 425.498 369.228 462.199 290.155 466.435 203.079 447.143 132.009 412.793 81.176 339.39 24.223 298.452 9.162 217.521 .219 148.354 16.222 76.361 62.82 19.895 138.598 9.544 166.838"/>
+      <g style="mix-blend-mode:multiply">
+        <use fill="url(#3-a)" xlink:href="#3-b"/>
+        <use fill="#000" filter="url(#3-c)" xlink:href="#3-b"/>
+      </g>
+    </g>
+  </g>
+</svg>

examples/webgl_loader_svg.html

@@ -100,7 +100,12 @@
 					"Test 6": 'models/svg/tests/6.svg',
 					"Test 7": 'models/svg/tests/7.svg',
 					"Test 8": 'models/svg/tests/8.svg',
-					"Units": 'models/svg/tests/units.svg'
+					"Units": 'models/svg/tests/units.svg',
+					"Defs": 'models/svg/tests/testDefs/Svg-defs.svg',
+					"Defs2": 'models/svg/tests/testDefs/Svg-defs2.svg',
+					"Defs3": 'models/svg/tests/testDefs/Wave-defs.svg',
+					"Defs4": 'models/svg/tests/testDefs/defs4.svg'
+
 
 				} ).name( 'SVG File' ).onChange( update );