feat(编辑能力): 完善继承样式编辑与受限提示，优化编辑入口和工具栏布局

assets/webui/index.html

@@ -18,6 +18,7 @@
 			<div class="tool-group">
 				<button id="ofdButton" class="icon-button" type="button" title="打开" aria-label="打开" aria-keyshortcuts="Control+O Meta+O"><span class="open-icon" aria-hidden="true"></span></button>
 				<button id="newButton" class="icon-button" type="button" title="新建" aria-label="新建文档"><span class="new-icon" aria-hidden="true"></span></button>
+				<button id="editButton" class="icon-button" type="button" title="编辑文档" aria-label="编辑文档" aria-pressed="false" disabled><span class="edit-icon" aria-hidden="true"></span></button>
 				<button id="togglePagesButton" class="icon-button" type="button" title="页面栏" aria-label="页面栏" aria-pressed="true">&#9776;</button>
 				<button id="toggleMetaButton" class="icon-button" type="button" title="信息栏" aria-label="信息栏" aria-pressed="true">&#9432;</button>
 			</div>
@@ -43,7 +44,6 @@
 				<button id="annotationButton" class="button" type="button" data-short="注" title="关闭注解" aria-label="关闭注解" aria-pressed="true">注解</button>
 			</div>
 			<div class="tool-group">
-				<button id="editButton" class="button" type="button" data-short="编" title="编辑文档" aria-label="编辑文档" aria-pressed="false" disabled>编辑</button>
 				<select id="exportFormat" class="format-select" title="导出格式" aria-label="导出格式" disabled></select>
 				<select id="imageDPI" class="format-select dpi-select" title="图片 DPI" aria-label="图片 DPI" disabled>
 					<option value="96">96</option>
@@ -91,28 +91,13 @@
 				</select>
 				<span>对象</span>
 			</div>
-			<div class="editor-group editor-transform">
+			<div class="editor-group">
-				<select id="objectRotate" class="order-select" aria-label="对象旋转" disabled>
+				<button id="insertTextButton" class="button" type="button" aria-label="添加文字" aria-pressed="false">文字</button>
-					<option value="" hidden>旋转</option>
+				<button id="insertImageButton" class="button" type="button" aria-label="添加图片">图片</button>
-					<option value="90">右转90°</option>
+				<button id="drawLineButton" class="button" type="button" aria-label="绘制直线" aria-pressed="false">直线</button>
-					<option value="-90">左转90°</option>
+				<button id="drawRectangleButton" class="button" type="button" aria-label="绘制矩形" aria-pressed="false">矩形</button>
-				</select>
+				<button id="drawEllipseButton" class="button" type="button" aria-label="绘制椭圆" aria-pressed="false">椭圆</button>
-				<select id="objectFlip" class="order-select" aria-label="对象翻转" disabled>
+				<span>插入</span>
-					<option value="" hidden>翻转</option>
-					<option value="horizontal">水平</option>
-					<option value="vertical">垂直</option>
-				</select>
-				<span>变换</span>
-			</div>
-			<div class="editor-group editor-image">
-				<select id="imageFit" aria-label="图片适应方式" disabled>
-					<option value="" hidden>缩放</option>
-					<option value="contain">适应</option>
-					<option value="cover">填充</option>
-				</select>
-				<button id="cropImageButton" class="button" type="button" aria-label="裁剪图片" aria-pressed="false" disabled>裁剪</button>
-				<button id="resetCropButton" class="button" type="button" aria-label="还原图片" disabled>还原</button>
-				<span>图片</span>
 			</div>
 			<div class="editor-group">
 				<div class="text-font"><select id="textFont" aria-label="字体" title="字体" disabled></select><button id="textFontAdd" class="icon-button" type="button" title="添加字体" aria-label="添加字体">+</button></div>
@@ -133,20 +118,35 @@
 				<label class="editor-field"><span>字距</span><span class="editor-number"><input id="textSpacing" type="number" step="any" placeholder="0" aria-label="字距" title="字距" disabled><span>pt</span></span></label>
 				<span>段落</span>
 			</div>
-			<div class="editor-group">
-				<button id="insertTextButton" class="button" type="button" aria-label="添加文字" aria-pressed="false">文字</button>
-				<button id="insertImageButton" class="button" type="button" aria-label="添加图片">图片</button>
-				<button id="drawLineButton" class="button" type="button" aria-label="绘制直线" aria-pressed="false">直线</button>
-				<button id="drawRectangleButton" class="button" type="button" aria-label="绘制矩形" aria-pressed="false">矩形</button>
-				<button id="drawEllipseButton" class="button" type="button" aria-label="绘制椭圆" aria-pressed="false">椭圆</button>
-				<span>插入</span>
-			</div>
 			<div class="editor-group">
 				<div class="shape-paint"><label><input id="shapeFill" type="checkbox">填充</label><input id="shapeFillColor" class="color-input" type="color" value="#dcefeb" aria-label="填充颜色" title="填充颜色"></div>
 				<div class="shape-paint"><label><input id="shapeStroke" type="checkbox" checked>描边</label><input id="shapeStrokeColor" class="color-input" type="color" value="#000000" aria-label="描边颜色" title="描边颜色"></div>
 				<label class="editor-field"><span>线宽</span><span class="editor-number"><input id="shapeWidth" type="number" value="1" min="0" step="any" required aria-label="线宽" title="线宽"><span>pt</span></span></label>
 				<span>图形</span>
 			</div>
+			<div class="editor-group editor-image">
+				<select id="imageFit" aria-label="图片适应方式" disabled>
+					<option value="" hidden>缩放</option>
+					<option value="contain">适应</option>
+					<option value="cover">填充</option>
+				</select>
+				<button id="cropImageButton" class="button" type="button" aria-label="裁剪图片" aria-pressed="false" disabled>裁剪</button>
+				<button id="resetCropButton" class="button" type="button" aria-label="还原图片" disabled>还原</button>
+				<span>图片</span>
+			</div>
+			<div class="editor-group editor-transform">
+				<select id="objectRotate" class="order-select" aria-label="对象旋转" disabled>
+					<option value="" hidden>旋转</option>
+					<option value="90">右转90°</option>
+					<option value="-90">左转90°</option>
+				</select>
+				<select id="objectFlip" class="order-select" aria-label="对象翻转" disabled>
+					<option value="" hidden>翻转</option>
+					<option value="horizontal">水平</option>
+					<option value="vertical">垂直</option>
+				</select>
+				<span>变换</span>
+			</div>
 			<div class="editor-group">
 				<button id="addPageButton" class="button" type="button" aria-label="新增页面">新增</button>
 				<button id="copyPageButton" class="button" type="button" aria-label="复制页面">复制</button>

assets/webui/ofdgo.css

@@ -374,6 +374,34 @@ button:not(:disabled):hover {
 	transform: translate(-50%, -50%) rotate(90deg);
 }
 
+.edit-icon {
+	position: relative;
+	width: 15px;
+	height: 15px;
+	transform: rotate(-45deg);
+}
+
+.edit-icon::before {
+	position: absolute;
+	top: 5px;
+	left: 4px;
+	width: 9px;
+	height: 3px;
+	border: 1px solid currentColor;
+	content: "";
+}
+
+.edit-icon::after {
+	position: absolute;
+	top: 5px;
+	left: 0;
+	width: 4px;
+	height: 5px;
+	background: currentColor;
+	clip-path: polygon(0 50%, 100% 0, 100% 100%);
+	content: "";
+}
+
 .toolbar-space {
 	flex: 1 1 auto;
 }
@@ -1305,6 +1333,10 @@ button.outline-link:hover {
 	outline: calc(1px / var(--surface-scale)) solid var(--accent);
 }
 
+.edit-object.read-only {
+	cursor: default;
+}
+
 .edit-line::before {
 	position: absolute;
 	inset: calc(-4px / var(--surface-scale));

assets/webui/ofdgo.js

@@ -1,4 +1,4 @@
-import { CanvasEditor, canEditObject } from "./ofdgo_edit.js";
+import { CanvasEditor, canEditObject, objectEditReason } from "./ofdgo_edit.js";
 import { FontManager } from "./ofdgo_font.js";
 
 const MM_TO_PX = 96 / 25.4;
@@ -250,7 +250,14 @@ const canvasEditor = new CanvasEditor(el.viewerPanel, {
 	busy: () => document.body.hasAttribute("aria-busy"),
 	rotation: () => state.rotation,
 	canInsert: (index) => pageCan("insert", index),
-	onSelect: updateObjectControls,
+	onSelect: (item, previous) => {
+		updateObjectControls(item);
+		const reason = objectEditReason(item), previousReason = objectEditReason(previous);
+		if (state.editing && state.doc && !document.body.hasAttribute("aria-busy")
+			&& (reason || previousReason && el.statusText.textContent === previousReason)) {
+			setStatus(reason || pageStatus(state.pageIndex, state.doc.pageCount));
+		}
+	},
 	onTransform: (item, change) => changeDocument(item.items ? "ofdgoTransformObjects" : "ofdgoTransformObject", item,
 		change.x + item.x * (1 - change.scale), change.y + item.y * (1 - change.scale), change.scale),
 	onReshape: (item, box) => changeDocument("ofdgoReshapeObject", item, box.x, box.y, box.width, box.height),

assets/webui/ofdgo_edit.js

@@ -122,6 +122,22 @@ export function canEditObject(item, capability) {
 	return Boolean(item) && (item.items || [item]).every(object => Boolean(object.capabilities?.[capability]));
 }
 
+export function objectEditReason(item) {
+	const reasons = (item?.items || (item ? [item] : [])).map(object => {
+		const reason = object.capabilities?.reason || "";
+		if (!reason) return "";
+		let message = "对象特性暂不支持";
+		if (reason.includes("embedded font")) message = "缺少内嵌字体";
+		else if (reason.includes("does not contain")) message = "字体缺少所需文字";
+		else if (reason.includes("color") || reason.includes("RGB")) message = "颜色样式暂不支持";
+		else if (reason.includes("draw parameter")) message = "绘制参数暂不支持";
+		else if (reason.includes("layer")) message = "图层特性暂不支持";
+		else if (reason.includes("invalid")) message = "对象数据异常";
+		return `${object.capabilities.transform ? "部分操作受限" : "暂不可编辑"}：${message}`;
+	});
+	return [...new Set(reasons.filter(Boolean))].join("；");
+}
+
 export class CanvasEditor {
 	constructor(viewer, options) {
 		this.viewer = viewer;
@@ -182,6 +198,8 @@ export class CanvasEditor {
 		for (const object of page.objects) {
 			const node = document.createElement("div");
 			node.className = "edit-object";
+			node.classList.toggle("read-only", !canEditObject(object, "transform"));
+			node.title = objectEditReason(object);
 			if (object.shape === "line") {
 				node.classList.add("edit-line");
 			}
@@ -269,6 +287,7 @@ export class CanvasEditor {
 	}
 
 	setSelection(items) {
+		const previous = this.selected;
 		if (this.crop && (items.length !== 1 || items[0] !== this.crop.item)) this.closeCrop();
 		if (this.selected?.items) this.selected.node.remove();
 		for (const item of this.items()) {
@@ -296,7 +315,7 @@ export class CanvasEditor {
 			item.node.classList.toggle("multi-selected", items.length > 1);
 			item.node.setAttribute("aria-pressed", "true");
 		}
-		this.options.onSelect(this.selected);
+		this.options.onSelect(this.selected, previous);
 	}
 
 	select(item, add = false) {

internal/webui/wasm.go

@@ -607,7 +607,7 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 	if currentEditor == nil {
 		return objects, nil
 	}
-	page, err := currentSession.pageContent(index)
+	page, err := currentEditor.Page(index)
 	if err != nil {
 		return nil, err
 	}
@@ -651,7 +651,7 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 			if err != nil {
 				return nil, err
 			}
-			if !capability.Transform && !capability.Update {
+			if capability.Reason == "nested objects are read-only" {
 				continue
 			}
 			var box ofdgo.Box
@@ -664,12 +664,12 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 				box, err = ofdgo.ParseBox(object.PathObject.Boundary)
 			}
 			if err != nil {
-				return nil, err
+				continue
 			}
 			if box.W > 0 && box.H > 0 {
 				item := map[string]any{"id": id, "type": object.Type, "x": box.X, "y": box.Y, "width": box.W, "height": box.H, "order": order, "count": len(layer.Objects), "layer": layer.ID,
 					"capabilities": map[string]any{"update": capability.Update, "replaceFont": capability.ReplaceFont, "reflow": capability.Reflow, "layoutKnown": capability.LayoutKnown, "transform": capability.Transform, "arrange": capability.Arrange, "copy": capability.Copy, "delete": capability.Delete, "order": capability.Order, "reason": capability.Reason}}
-				if object.Type == "ImageObject" {
+				if object.Type == "ImageObject" && capability.Update {
 					full, err := object.ImageObject.ImageBounds()
 					if err != nil {
 						return nil, err
@@ -689,11 +689,7 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 					item["lineWidth"] = path.LineWidth * editorPathScale(path)
 				}
 				if object.Type == "TextObject" {
-					source, err := currentEditor.Object(index, id)
+					value, layout := object.TextObject.TextLayout()
-					if err != nil {
-						return nil, err
-					}
-					value, layout := source.TextObject.TextLayout()
 					item["text"], item["font"], item["fontName"], item["size"] = value, object.TextObject.Font, fontNames[object.TextObject.Font], object.TextObject.Size
 					item["wrap"], item["align"], item["paragraphHeight"] = layout.Wrap, layout.Align, layout.LineHeight
 					item["letterSpacing"] = layout.LetterSpacing

ofdgo_editor.go

@@ -392,7 +392,8 @@ func (e *Editor) AddObject(page int, object GraphicObject) (string, error) {
 	return ids[0], nil
 }
 
-// Object 获取对象的独立副本，修改副本不影响文档
+// Object 获取对象的独立副本，修改副本不影响文档。
+// 可编辑的继承样式解析为直接属性；仅在对象修改或复制时写入独立样式。
 // 入参: page 页面索引, id 对象标识
 // 返回: GraphicObject 对象内容, error 错误信息
 func (e *Editor) Object(page int, id string) (GraphicObject, error) {

ofdgo_editor_batch.go

@@ -316,6 +316,12 @@ func (e *Editor) updateObjects(page int, objects []GraphicObject, geometry bool)
 			if err != nil {
 				return err
 			}
+			if e.originalPage(page) {
+				after[i], err = e.resolveEditorStyle(after[i], e.pages[page].Content.Layer[indexes[i].layer].DrawParam)
+				if err != nil {
+					return err
+				}
+			}
 		}
 	}
 	if reflect.DeepEqual(before, after) {

ofdgo_editor_open.go

@@ -44,6 +44,7 @@ type editorObjectOrigin struct {
 	page   *editorSourcePage
 	node   *editorXML
 	object GraphicObject
+	reason string
 }
 
 // editorSourcePage 保存页面原文、解析快照及可定位的直接对象。
@@ -292,15 +293,25 @@ func (e *Editor) loadSourcePage(index int) error {
 		}
 	}
 	source.data, source.root, source.nodes = data, root, nodes
-	source.original = page
+	for i := range page.Content.Layer {
-	for _, layer := range page.Content.Layer {
+		layer := &page.Content.Layer[i]
-		for _, object := range layer.Objects {
+		for j, object := range layer.Objects {
 			id := editorObjectID(object)
 			if node := nodes[id]; node != nil {
-				e.source.origins[id] = &editorObjectOrigin{page: source, node: node, object: object}
+				origin := &editorObjectOrigin{page: source, node: node, object: object}
+				e.source.origins[id] = origin
+				if editorXMLSupported(node) {
+					resolved, err := e.resolveEditorStyle(object, layer.DrawParam)
+					if err != nil {
+						origin.reason = err.Error()
+					} else {
+						layer.Objects[j] = resolved
+					}
+				}
 			}
 		}
 	}
+	source.original = page
 	e.pages[index] = copyEditorPage(*page)
 	return nil
 }
@@ -332,9 +343,12 @@ func (e *Editor) ObjectCapabilities(page int, id string) (ObjectCapabilities, er
 		}
 		return all, nil
 	}
-	if layer.DrawParam != "" || !editorXMLSupported(node) {
+	if !editorXMLSupported(node) {
 		return ObjectCapabilities{Reason: "object uses unsupported editing features"}, nil
 	}
+	if origin := e.objectOrigin(id); origin.reason != "" {
+		return ObjectCapabilities{Reason: origin.reason}, nil
+	}
 	for _, attr := range node.parent.attrs {
 		if attr.Name.Space == "xmlns" || attr.Name.Space == "" && attr.Name.Local == "xmlns" {
 			continue

ofdgo_editor_style.go

@@ -0,0 +1,91 @@
+// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package ofdgo
+
+import "fmt"
+
+// editorDrawParam 解析原文档的绘制参数继承链，缺失或循环引用不进入编辑快照。
+// 入参: id 绘制参数标识, visited 已访问标识
+// 返回: *DrawParam 合并参数, error 错误信息
+func (e *Editor) editorDrawParam(id string, visited map[string]bool) (*DrawParam, error) {
+	if id == "" {
+		return &DrawParam{}, nil
+	}
+	dp := e.source.reader.drawParamCache[id]
+	if dp == nil || visited[id] {
+		return nil, fmt.Errorf("invalid draw parameter reference %q", id)
+	}
+	visited[id] = true
+	base, err := e.editorDrawParam(dp.Relative, visited)
+	if err != nil {
+		return nil, err
+	}
+	return mergeDrawParam(*base, dp), nil
+}
+
+// resolveEditorStyle 为直接对象生成独立的有效样式，不改写共享资源或原XML。
+// 入参: object 原对象, layer 图层绘制参数标识
+// 返回: GraphicObject 编辑快照, error 错误信息
+func (e *Editor) resolveEditorStyle(object GraphicObject, layer string) (GraphicObject, error) {
+	var id string
+	switch object.Type {
+	case "TextObject":
+		id = object.TextObject.DrawParam
+	case "PathObject":
+		id = object.PathObject.DrawParam
+	default:
+		return object, nil
+	}
+	if layer == "" && id == "" {
+		return object, nil
+	}
+	base, err := e.editorDrawParam(layer, make(map[string]bool))
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	dp, err := e.editorDrawParam(id, make(map[string]bool))
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	style := mergeDrawParam(*base, dp)
+	if object.Type == "PathObject" {
+		obj := &object.PathObject
+		style = mergeDrawParam(*style, &DrawParam{LineWidth: obj.LineWidth, Join: obj.Join, Cap: obj.Cap,
+			MiterLimit: obj.MiterLimit, DashPattern: obj.DashPattern, DashOffset: obj.DashOffset,
+			FillColor: obj.FillColor, StrokeColor: obj.StrokeColor})
+		obj.DrawParam = ""
+		obj.LineWidth, obj.Join, obj.Cap = style.LineWidth, style.Join, style.Cap
+		obj.MiterLimit, obj.DashPattern, obj.DashOffset = style.MiterLimit, style.DashPattern, style.DashOffset
+		obj.FillColor, obj.StrokeColor = style.FillColor, style.StrokeColor
+	} else {
+		obj := &object.TextObject
+		if style.Cap != "" && style.Cap != "Butt" || style.DashPattern != "" || style.DashOffset != nil && *style.DashOffset != 0 {
+			return GraphicObject{}, fmt.Errorf("text draw parameters require unsupported stroke styles")
+		}
+		style = mergeDrawParam(*style, &DrawParam{LineWidth: obj.LineWidth, Join: obj.Join,
+			MiterLimit: obj.MiterLimit, FillColor: obj.FillColor, StrokeColor: obj.StrokeColor})
+		text := mergeDrawParam(*dp, &DrawParam{Font: obj.Font, Size: obj.Size, Weight: obj.Weight, Italic: obj.Italic})
+		obj.DrawParam = ""
+		obj.Font, obj.Size, obj.Weight, obj.Italic = text.Font, text.Size, text.Weight, text.Italic
+		obj.LineWidth, obj.Join, obj.MiterLimit = style.LineWidth, style.Join, style.MiterLimit
+		obj.FillColor, obj.StrokeColor = style.FillColor, style.StrokeColor
+	}
+	for _, color := range []*FillColor{style.FillColor, (*FillColor)(style.StrokeColor)} {
+		if err := creationColor(color); err != nil {
+			return GraphicObject{}, fmt.Errorf("unsupported draw parameter color: %w", err)
+		}
+	}
+	return cloneEditorObject(object)
+}

ofdgo_editor_xml.go

@@ -191,17 +191,17 @@ func editorXMLSetText(data []byte, node *editorXML, values [][2]string) []byte {
 // 入参: node 对象或子节点
 // 返回: bool 是否支持完整编辑
 func editorXMLSupported(node *editorXML) bool {
-	if node.name.Space != "" && node.name.Space != ofdNamespace {
+	if node.name.Space != "" && node.name.Space != ofdNamespace && node.name.Space != "http://www.ofdspec.org" {
 		return false
 	}
 	var allowed, children string
 	switch node.name.Local {
 	case "TextObject":
-		allowed, children = "ID Boundary CTM Font Size HScale Weight ReadDirection CharDirection LineWidth MiterLimit Join Italic Visible Stroke Fill Alpha", "FillColor StrokeColor TextCode"
+		allowed, children = "ID Boundary CTM DrawParam Font Size HScale Weight ReadDirection CharDirection LineWidth MiterLimit Join Italic Visible Stroke Fill Alpha", "FillColor StrokeColor TextCode"
 	case "PathObject", "Path":
 		allowed, children = "Boundary CTM LineWidth MiterLimit Join Cap Rule DashPattern DashOffset Visible Stroke Fill Alpha", "StrokeColor FillColor AbbreviatedData"
 		if node.name.Local == "PathObject" {
-			allowed += " ID"
+			allowed += " ID DrawParam"
 		}
 	case "ImageObject":
 		allowed, children = "ID Boundary CTM ResourceID ImageMask Visible Alpha", "Clips"
@@ -236,12 +236,26 @@ func editorXMLSupported(node *editorXML) bool {
 }
 
 // editorXMLObject 修改对象发生变化的属性与内容，保留原文中的显式默认值。
+// 有效样式快照在修改后展开原绘制参数，避免已清除的属性重新继承。
 // 入参: data 页面原文, node 原对象节点, before 原对象, after 新对象
 // 返回: []byte 对象XML, error 错误信息
 func editorXMLObject(data []byte, node *editorXML, before, after GraphicObject) ([]byte, error) {
 	if before.Type != after.Type {
 		return editorObjectXML(after)
 	}
+	if node.attr("DrawParam") != "" && before.TextObject.DrawParam == "" && before.PathObject.DrawParam == "" {
+		before = GraphicObject{Type: before.Type}
+		var err error
+		switch before.Type {
+		case "TextObject":
+			err = xml.Unmarshal(data[node.start:node.end], &before.TextObject)
+		case "PathObject":
+			err = xml.Unmarshal(data[node.start:node.end], &before.PathObject)
+		}
+		if err != nil {
+			return nil, err
+		}
+	}
 	oldXML, err := editorObjectXML(before)
 	if err != nil {
 		return nil, err

ofdgo_writer.go

@@ -467,6 +467,7 @@ func (x *ofdXML) object(object GraphicObject, root bool) {
 	case "TextObject":
 		obj := object.TextObject
 		attrs.add("ID", obj.ID)
+		attrs.add("DrawParam", obj.DrawParam)
 		attrs.add("Boundary", obj.Boundary)
 		attrs.add("CTM", obj.CTM)
 		attrs.add("Font", obj.Font)
@@ -489,6 +490,7 @@ func (x *ofdXML) object(object GraphicObject, root bool) {
 	case "PathObject", "Path":
 		obj := object.PathObject
 		attrs.add("ID", obj.ID)
+		attrs.add("DrawParam", obj.DrawParam)
 		attrs.add("Boundary", obj.Boundary)
 		attrs.add("CTM", obj.CTM)
 		attrs.number("LineWidth", obj.LineWidth)