feat(编辑能力): 完善对象变换与复制，修复字体栏错位

assets/webui/ofdgo.css

@@ -770,10 +770,9 @@ button:not(:disabled):hover {
 
 .text-font {
 	display: grid;
-	width: 196px;
+	min-width: 0;
-	grid-template-columns: minmax(0, 1fr) auto;
+	grid-template-columns: subgrid;
 	grid-column: 1 / -1;
-	gap: 4px;
 }
 
 .text-font .icon-button {

assets/webui/ofdgo.js

@@ -981,7 +981,7 @@ function openObjectBounds() {
 	state.boundsOriginal = { x: box.x, y: box.y, width: Math.abs(box.width), height: Math.abs(box.height) };
 	for (const [input, key] of [[el.objectX,"x"], [el.objectY,"y"], [el.objectWidth,"width"], [el.objectHeight,"height"]]) setObjectDimension(input, state.boundsOriginal[key]);
 	el.objectAspect.checked = true;
-	el.objectAspect.disabled = !item.shape && (item.items || [item]).some(member => member.type !== "ImageObject") || lineShape(item.shape) && (!box.width || !box.height);
+	el.objectAspect.disabled = !item.shape && (item.items || [item]).some(member => member.type !== "ImageObject" || member.imageBorder) || lineShape(item.shape) && (!box.width || !box.height);
 	el.objectWidth.disabled = lineShape(item.shape) && !box.width;
 	el.objectHeight.disabled = lineShape(item.shape) && !box.height;
 	el.objectBoundsStatus.textContent = "";

assets/webui/ofdgo_edit.js

@@ -281,15 +281,24 @@ export class CanvasEditor {
 			node.setAttribute("aria-label", { ImageObject: "图片对象", TextObject: "文字对象", PathObject: "图形对象", CompositeObject: "复合对象", CompositeGraphicUnit: "复合对象" }[object.type]);
 			const item = { ...object, index, page: { width: page.width, height: page.height }, node, surface };
 			item.artwork = artwork.get(object.id)?.node;
-			if (object.type === "PathObject" && (object.shape || object.outline)) {
+			if (object.type === "PathObject" && (object.shape || object.outline) || (object.type === "CompositeObject" || object.type === "CompositeGraphicUnit") && object.contours?.length) {
 				node.classList.add("edit-contour");
 				const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
 				svg.classList.add("edit-outline");
 				svg.setAttribute("aria-hidden", "true");
 				svg.setAttribute("preserveAspectRatio", "none");
-				const contour = document.createElementNS("http://www.w3.org/2000/svg", object.shape === "line" ? "line" : object.shape === "ellipse" ? "ellipse" : object.shape === "rectangle" ? "rect" : "path");
+				let contour;
+				if (object.type === "PathObject") {
+					contour = document.createElementNS("http://www.w3.org/2000/svg", object.shape === "line" ? "line" : object.shape === "ellipse" ? "ellipse" : object.shape === "rectangle" ? "rect" : "path");
 					if (!object.shape) contour.setAttribute("d", object.outline);
 					svg.append(contour);
+				} else {
+					for (const path of object.contours) {
+						const contour = document.createElementNS("http://www.w3.org/2000/svg", "path");
+						contour.setAttribute("d", path.path);
+						svg.append(contour);
+					}
+				}
 				node.append(svg);
 				item.contour = { svg, path: contour };
 			}

internal/webui/wasm.go

@@ -737,11 +737,12 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 				return nil, err
 			}
 			var box ofdgo.Box
+			var contours []ofdgo.ObjectContour
 			switch object.Type {
 			case "TextObject":
 				box = textBoxes[id]
 			default:
-				box, err = currentSession.Renderer.ObjectBounds(object, layer.DrawParam)
+				box, contours, err = currentSession.Renderer.ObjectGeometry(object, layer.DrawParam)
 			}
 			if err != nil {
 				continue
@@ -762,6 +763,7 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 					alpha = object.TextObject.Alpha
 				case "ImageObject":
 					alpha = object.ImageObject.Alpha
+					item["imageBorder"] = object.ImageObject.Border != nil
 				case "PathObject":
 					alpha = object.PathObject.Alpha
 				case "CompositeObject", "CompositeGraphicUnit":
@@ -793,10 +795,6 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 					}
 				}
 				if object.Type == "PathObject" || object.Type == "ImageObject" || object.Type == "CompositeObject" || object.Type == "CompositeGraphicUnit" {
-					contours, err := currentSession.Renderer.ObjectContours(object, layer.DrawParam)
-					if err != nil {
-						return nil, err
-					}
 					paths := make([]any, len(contours))
 					for i, contour := range contours {
 						paths[i] = map[string]any{"path": contour.Path, "evenOdd": contour.EvenOdd}

ofdgo_editor.go

@@ -64,6 +64,7 @@ type editorResource struct {
 	font      *Font
 	image     *MultiMedia
 	space     *ColorSpace
+	composite string
 	subset    *editorFontSubset
 }
 
@@ -609,6 +610,7 @@ func (e *Editor) AddObject(page int, object GraphicObject) (string, error) {
 
 // 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
+// 副本保留捕获时的原文来源，后续变换与撤销不改变其复制语义
 // 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) {
@@ -616,7 +618,9 @@ func (e *Editor) Object(page int, id string) (GraphicObject, error) {
 	if err != nil {
 		return GraphicObject{}, err
 	}
-	return cloneEditorObject(layer.Objects[index])
+	object, err := cloneEditorObject(layer.Objects[index])
+	object.origin = e.objectOrigin(id)
+	return object, err
 }
 
 // UpdateObject 替换对象内容，保留原对象标识和绘制顺序，校验规则与AddObject相同
@@ -881,6 +885,7 @@ func (e *Editor) UpdateText(page int, id, value, fontID string, size float64) er
 }
 
 // TransformObject 以页面原点等比缩放后平移对象，文字同步缩放字号和字距，保留原有排版
+// 带边框图片缩放时转为保留原图片与边框的复合对象，标识不变
 // 入参: page 页面索引, id 对象标识, dx 横向位移, dy 纵向位移, scale 正缩放比例
 // 返回: error 错误信息
 func (e *Editor) TransformObject(page int, id string, dx, dy, scale float64) error {

ofdgo_editor_batch.go

@@ -63,6 +63,7 @@ func (e *Editor) Objects(page int, ids []string) ([]GraphicObject, error) {
 		if err != nil {
 			return nil, err
 		}
+		objects[i].origin = e.objectOrigin(editorObjectID(object))
 	}
 	return objects, nil
 }
@@ -86,7 +87,9 @@ func (e *Editor) CopyObjects(page int, objects []GraphicObject, dx, dy float64)
 		return nil, err
 	}
 	prepared := make([]GraphicObject, len(objects))
+	origins := make([]*editorObjectOrigin, len(objects))
 	result := make([]string, len(objects))
+	maximum := e.maxID + len(objects)
 	for i, object := range objects {
 		result[i] = strconv.Itoa(e.maxID + i + 1)
 		object, err := e.prepareCopiedObject(result[i], object)
@@ -102,11 +105,14 @@ func (e *Editor) CopyObjects(page int, objects []GraphicObject, dx, dy float64)
 				return nil, err
 			}
 		}
-		prepared[i] = object
+		prepared[i], origins[i], err = e.copyObjectOrigin(objects[i], object, &maximum)
+		if err != nil {
+			return nil, err
 		}
-	e.maxID += len(objects)
+	}
-	for i, object := range objects {
+	e.maxID = maximum
-		if origin := e.objectOrigin(editorObjectID(object)); origin != nil {
+	for i, origin := range origins {
+		if origin != nil {
 			e.source.origins[result[i]] = origin
 		}
 	}
@@ -115,10 +121,17 @@ func (e *Editor) CopyObjects(page int, objects []GraphicObject, dx, dy float64)
 	if e.originalPage(page) {
 		target = len(e.source.pages[e.pages[page].ID].original.Content.Layer)
 	}
-	if target == len(layers) {
+	if target < len(layers) {
-		layers = append(layers, Layer{ID: e.nextID(), Type: "Body"})
+		target = len(layers) - 1
+	}
+	for i, object := range prepared {
+		style := e.copiedLayerStyle(objects[i])
+		if target == len(layers) || layers[target].DrawParam != style {
+			layers = append(layers, Layer{ID: e.nextID(), Type: "Body", DrawParam: style})
+			target = len(layers) - 1
+		}
+		layers[target].Objects = append(layers[target].Objects, object)
 	}
-	layers[target].Objects = append(layers[target].Objects, prepared...)
 	e.replaceLayers(page, layers)
 	return result, nil
 }
@@ -346,7 +359,9 @@ func (e *Editor) updateObjects(page int, objects []GraphicObject, preserveConten
 		return err
 	}
 	after := make([]GraphicObject, len(objects))
+	var beforeOrigins, afterOrigins map[string]*editorObjectOrigin
 	for i, object := range objects {
+		object.origin = nil
 		preserved := preserveContent
 		origin := e.objectOrigin(ids[i])
 		if origin != nil {
@@ -372,6 +387,23 @@ func (e *Editor) updateObjects(page int, objects []GraphicObject, preserveConten
 				return err
 			}
 			after[i] = cloneEditorData(object)
+			if before[i].Type != object.Type {
+				data, err := editorObjectXML(object)
+				if err != nil {
+					return err
+				}
+				root, err := parseEditorXML(data)
+				if err != nil {
+					return err
+				}
+				root.parent = origin.node.parent
+				if beforeOrigins == nil {
+					beforeOrigins = make(map[string]*editorObjectOrigin)
+					afterOrigins = make(map[string]*editorObjectOrigin)
+				}
+				beforeOrigins[ids[i]] = origin
+				afterOrigins[ids[i]] = &editorObjectOrigin{page: origin.page, data: data, node: root, object: object}
+			}
 		} else {
 			after[i], err = e.prepareObject(ids[i], object)
 			if err != nil {
@@ -388,15 +420,18 @@ func (e *Editor) updateObjects(page int, objects []GraphicObject, preserveConten
 	if reflect.DeepEqual(before, after) {
 		return nil
 	}
-	apply := func(e *Editor, objects []GraphicObject) {
+	apply := func(e *Editor, objects []GraphicObject, origins map[string]*editorObjectOrigin) {
 		for i, index := range indexes {
 			e.pages[page].Content.Layer[index.layer].Objects[index.index] = objects[i]
 		}
+		for id, origin := range origins {
+			e.source.origins[id] = origin
 		}
-	apply(e, after)
+	}
+	apply(e, after, afterOrigins)
 	if change := e.recordChange(); change != nil {
-		change.undo = func(e *Editor) { apply(e, before) }
+		change.undo = func(e *Editor) { apply(e, before, beforeOrigins) }
-		change.redo = func(e *Editor) { apply(e, after) }
+		change.redo = func(e *Editor) { apply(e, after, afterOrigins) }
 	}
 	return nil
 }
@@ -415,25 +450,21 @@ func (e *Editor) TransformObjects(page int, ids []string, dx, dy, scale float64)
 	if dx == 0 && dy == 0 && scale == 1 {
 		return nil
 	}
-	for i, object := range objects {
+	return e.transformObjects(page, objects, func(object GraphicObject) (GraphicObject, error) {
 		if e.originalPage(page) {
 			if err := validateEditorGeometry(object); err != nil {
-				return err
+				return GraphicObject{}, err
 			}
 		}
-		object, err = cloneEditorObject(object)
+		after, err := e.transformObject(object, dx, dy, scale)
 		if err != nil {
-			return err
+			return GraphicObject{}, err
-		}
-		objects[i], err = e.transformObject(object, dx, dy, scale)
-		if err != nil {
-			return err
 		}
 		if origin := e.objectOrigin(editorObjectID(object)); origin != nil && origin.node.attr("LineWidth") == "0" && object.Type == "TextObject" && object.TextObject.LineWidth == 0 {
-			objects[i].TextObject.LineWidth = 0
+			after.TextObject.LineWidth = 0
 		}
-	}
+		return after, nil
-	return e.updateObjects(page, objects, true)
+	})
 }
 
 // AlignObjects 单对象对齐页面，多对象相互对齐至选区边界，文字采用实际字形范围

ofdgo_editor_copy.go

@@ -0,0 +1,214 @@
+// 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 (
+	"bytes"
+	"encoding/xml"
+	"fmt"
+	"strconv"
+)
+
+// snapshotOrigin 获取当前文档内捕获时的原文来源，外部快照按普通对象校验
+// 入参: object 对象快照
+// 返回: *editorObjectOrigin 原文来源
+func (e *Editor) snapshotOrigin(object GraphicObject) *editorObjectOrigin {
+	if object.origin != nil {
+		if e.source != nil && e.source.pages[object.origin.page.ref.ID] == object.origin.page {
+			return object.origin
+		}
+		return nil
+	}
+	return e.objectOrigin(editorObjectID(object))
+}
+
+// copyObjectOrigin 复制原XML并重映射内部标识和引用，不修改共享资源与原对象
+// 入参: before 输入快照, after 副本快照, maximum 本批次最大标识
+// 返回: GraphicObject 副本, *editorObjectOrigin 副本原文, error 错误信息
+func (e *Editor) copyObjectOrigin(before, after GraphicObject, maximum *int) (GraphicObject, *editorObjectOrigin, error) {
+	origin := e.snapshotOrigin(before)
+	if origin == nil {
+		return after, nil, nil
+	}
+	rootID := editorResourceID(origin.node.attr("ID"))
+	ids := map[string]string{rootID: editorObjectID(after)}
+	selfReference := false
+	var collect func(*editorXML) error
+	collect = func(node *editorXML) error {
+		for _, attr := range node.attrs {
+			if attr.Name.Space == "" && editorObjectReference(attr.Name.Local) && editorResourceID(attr.Value) == rootID {
+				selfReference = true
+			}
+		}
+		if (node.name.Local == "Font" || node.name.Local == "Substitution") && editorResourceID(editorImportText(origin.data, node)) == rootID {
+			selfReference = true
+		}
+		for _, child := range node.children {
+			if id := editorResourceID(child.attr("ID")); id != "" {
+				if ids[id] != "" {
+					return fmt.Errorf("duplicate object ID %q", id)
+				}
+				*maximum += 1
+				ids[id] = strconv.Itoa(*maximum)
+			}
+			if err := collect(child); err != nil {
+				return err
+			}
+		}
+		return nil
+	}
+	if err := collect(origin.node); err != nil {
+		return GraphicObject{}, nil, err
+	}
+	if len(ids) == 1 && !selfReference {
+		return after, origin, nil
+	}
+	data, err := editorXMLObject(origin.data, origin.node, origin.object, after)
+	if err != nil {
+		return GraphicObject{}, nil, err
+	}
+	data, err = editorXMLStandalone(data, origin.node)
+	if err != nil {
+		return GraphicObject{}, nil, err
+	}
+	root, err := parseEditorXML(data)
+	if err != nil {
+		return GraphicObject{}, nil, err
+	}
+	data, err = editorXMLRemapIDs(data, root, ids)
+	if err != nil {
+		return GraphicObject{}, nil, err
+	}
+	root, err = parseEditorXML(data)
+	if err != nil {
+		return GraphicObject{}, nil, err
+	}
+	result := GraphicObject{Type: after.Type}
+	var target any
+	switch result.Type {
+	case "TextObject":
+		target = &result.TextObject
+	case "PathObject":
+		target = &result.PathObject
+	case "ImageObject":
+		target = &result.ImageObject
+	case "CompositeObject", "CompositeGraphicUnit":
+		target = &result.CompositeGraphicUnit
+	}
+	if err := xml.Unmarshal(data, target); err != nil {
+		return GraphicObject{}, nil, err
+	}
+	result.TextObject.layout = after.TextObject.layout
+	root.parent = origin.node.parent
+	return result, &editorObjectOrigin{page: origin.page, data: data, node: root, object: result}, nil
+}
+
+// editorXMLRemapIDs 仅重写标准标识和指向副本内部的引用，保留扩展、文字和XML结构
+// 入参: data 独立片段, root 根节点, ids 原标识与新标识
+// 返回: []byte 修改后的片段, error 错误信息
+func editorXMLRemapIDs(data []byte, root *editorXML, ids map[string]string) ([]byte, error) {
+	var patches []editorXMLPatch
+	var visit func(*editorXML) error
+	visit = func(node *editorXML) error {
+		if node.name.Space == "" || node.name.Space == ofdNamespace || node.name.Space == "http://www.ofdspec.org" {
+			decoder := xml.NewDecoder(bytes.NewReader(data[node.start:node.open]))
+			token, err := decoder.RawToken()
+			if err != nil {
+				return err
+			}
+			start := token.(xml.StartElement)
+			changed := false
+			for i := range start.Attr {
+				attr := &start.Attr[i]
+				if attr.Name.Space != "" {
+					continue
+				}
+				if attr.Name.Local == "ID" || editorObjectReference(attr.Name.Local) {
+					if value := ids[editorResourceID(attr.Value)]; value != "" {
+						attr.Value, changed = value, true
+					}
+				}
+			}
+			if changed {
+				if start.Name.Space != "" {
+					start.Name.Local = start.Name.Space + ":" + start.Name.Local
+					start.Name.Space = ""
+				}
+				for i := range start.Attr {
+					attr := &start.Attr[i]
+					if attr.Name.Space != "" {
+						attr.Name.Local = attr.Name.Space + ":" + attr.Name.Local
+						attr.Name.Space = ""
+					}
+				}
+				var header bytes.Buffer
+				encoder := xml.NewEncoder(&header)
+				if err := encoder.EncodeToken(start); err != nil {
+					return err
+				}
+				if err := encoder.Flush(); err != nil {
+					return err
+				}
+				value := header.Bytes()
+				if node.open == node.end {
+					value = append(value[:len(value)-1], '/', '>')
+				}
+				patches = append(patches, editorXMLPatch{node.start, node.open, value})
+			}
+			if node.name.Local == "Font" || node.name.Local == "Substitution" {
+				if value := ids[editorResourceID(editorImportText(data, node))]; value != "" {
+					patches = append(patches, editorXMLContent(data, node, []byte(value)))
+				}
+			}
+		}
+		for _, child := range node.children {
+			if err := visit(child); err != nil {
+				return err
+			}
+		}
+		return nil
+	}
+	if err := visit(root); err != nil {
+		return nil, err
+	}
+	return editorPatchXML(data, patches), nil
+}
+
+// editorObjectReference 判断对象内可按ST_RefID重映射的标准属性
+// 入参: name 属性名
+// 返回: bool 是否为标识引用
+func editorObjectReference(name string) bool {
+	switch name {
+	case "Font", "ResourceID", "Substitution", "ImageMask", "Relative", "DrawParam", "ColorSpace", "Thumbnail", "TemplateID", "PageID", "PageRef", "RefId":
+		return true
+	}
+	return false
+}
+
+// copiedLayerStyle 获取复合对象需保留的图层绘制参数，不向基本对象重新施加继承样式
+// 入参: object 对象
+// 返回: string 绘制参数标识
+func (e *Editor) copiedLayerStyle(object GraphicObject) string {
+	if object.Type == "CompositeObject" || object.Type == "CompositeGraphicUnit" {
+		if origin := e.snapshotOrigin(object); origin != nil {
+			for parent := origin.node.parent; parent != nil; parent = parent.parent {
+				if parent.name.Local == "Layer" {
+					return parent.attr("DrawParam")
+				}
+			}
+		}
+	}
+	return ""
+}

ofdgo_editor_open.go

@@ -43,6 +43,7 @@ type editorSource struct {
 // editorObjectOrigin 保留原对象的XML语义，供复制和局部更新复用
 type editorObjectOrigin struct {
 	page   *editorSourcePage
+	data   []byte
 	node   *editorXML
 	object GraphicObject
 	reason error
@@ -322,7 +323,7 @@ func (e *Editor) loadSourcePage(index int) error {
 		for j, object := range layer.Objects {
 			id := editorObjectID(object)
 			if node := nodes[id]; node != nil {
-				origin := &editorObjectOrigin{page: source, node: node, object: object}
+				origin := &editorObjectOrigin{page: source, data: data, node: node, object: object}
 				e.source.origins[id] = origin
 				if editorXMLTransformable(node) {
 					resolved, err := e.resolveEditorStyle(object, layer.DrawParam)
@@ -371,13 +372,6 @@ func (e *Editor) ObjectCapabilities(page int, id string) (ObjectCapabilities, er
 	}
 	all.Order = editorContainerOrderable(node.parent)
 	all.Copy = editorXMLCopyable(node) && origin.reason == nil
-	if object.Type == "CompositeObject" || object.Type == "CompositeGraphicUnit" {
-		for parent := node.parent; parent != nil; parent = parent.parent {
-			if parent.name.Local == "Layer" && parent.attr("DrawParam") != "" {
-				all.Copy = false
-			}
-		}
-	}
 	if origin.reason != nil {
 		all.Update, all.Reflow, all.ReplaceFont, all.Paint = false, false, false, false
 		all.Reason, all.ReasonCode = origin.reason.Error(), editReason(origin.reason)
@@ -390,9 +384,9 @@ func (e *Editor) ObjectCapabilities(page int, id string) (ObjectCapabilities, er
 		errors.As(err, &all.MissingGlyphs)
 	}
 	all.Paint = all.Paint && e.editorPaintable(object)
-	if object.Type == "ImageObject" && object.ImageObject.Border != nil {
+	if object.Type == "ImageObject" && object.ImageObject.Border != nil && len(object.ImageObject.Actions) != 0 {
 		all.Transform, all.Arrange = false, false
-		all.Reason, all.ReasonCode = "image border transformations are not supported", EditUnsupportedObject
+		all.Reason, all.ReasonCode = "image actions cannot be transformed together with the border", EditUnsupportedObject
 	}
 	if object.Type == "TextObject" {
 		all.Arrange = all.Update || e.editorTextMeasurable(object.TextObject)
@@ -460,7 +454,8 @@ func editorPreservedObject(before, after GraphicObject) bool {
 // 入参: id 新标识, object 对象快照
 // 返回: GraphicObject 独立副本, error 错误信息
 func (e *Editor) prepareCopiedObject(id string, object GraphicObject) (GraphicObject, error) {
-	origin := e.objectOrigin(editorObjectID(object))
+	origin := e.snapshotOrigin(object)
+	object.origin = nil
 	if origin == nil {
 		return e.prepareObject(id, object)
 	}
@@ -478,9 +473,6 @@ func (e *Editor) prepareCopiedObject(id string, object GraphicObject) (GraphicOb
 	if err != nil {
 		return GraphicObject{}, err
 	}
-	if drawParam != "" && (object.Type == "CompositeObject" || object.Type == "CompositeGraphicUnit") {
-		return GraphicObject{}, fmt.Errorf("copy requires preserving the composite layer draw parameters")
-	}
 	if !editorPreservedObject(before, object) {
 		if !editorXMLSupported(origin.node) {
 			return GraphicObject{}, fmt.Errorf("copy would replace unsupported object content")
@@ -664,7 +656,7 @@ func (e *Editor) editorImage(id string) (image.Point, error) {
 	return size, nil
 }
 
-// cloneEditorData 深复制编辑快照，未导出的排版信息保持不可变共享
+// cloneEditorData 深复制编辑快照，未导出的排版及原文来源保持不可变共享
 // 入参: value 原值
 // 返回: T 独立副本
 func cloneEditorData[T any](value T) T {

ofdgo_editor_package.go

@@ -67,6 +67,11 @@ func (e *Editor) sourceParts(progress editorProgress) (map[string][]byte, error)
 		return nil, err
 	}
 	fonts, images, spaces, resourceFiles := e.usedResources()
+	for _, resource := range e.resources {
+		if resource.composite != "" && slices.Contains(resourceFiles, resource.name) {
+			parts[resource.name] = resource.data
+		}
+	}
 	commonData := source.document.CommonData
 	for _, name := range append(slices.Clone(commonData.DocumentRes), commonData.PublicRes...) {
 		resourceFiles = slices.DeleteFunc(resourceFiles, func(file string) bool {
@@ -325,7 +330,7 @@ func (e *Editor) sourceLayerXML(layer Layer) ([]byte, error) {
 		var data []byte
 		var err error
 		if origin := e.objectOrigin(editorObjectID(object)); origin != nil {
-			data, err = editorXMLObject(origin.page.data, origin.node, origin.object, object)
+			data, err = editorXMLObject(origin.data, origin.node, origin.object, object)
 			if err == nil {
 				data, err = editorXMLStandalone(data, origin.node)
 			}
@@ -337,7 +342,9 @@ func (e *Editor) sourceLayerXML(layer Layer) ([]byte, error) {
 		}
 		content = append(content, data...)
 	}
-	return editorXMLContainer("Layer", ofdAttrs{{Name: xml.Name{Local: "ID"}, Value: layer.ID}, {Name: xml.Name{Local: "Type"}, Value: layer.Type}}, content)
+	attrs := ofdAttrs{{Name: xml.Name{Local: "ID"}, Value: layer.ID}, {Name: xml.Name{Local: "Type"}, Value: layer.Type}}
+	attrs.add("DrawParam", layer.DrawParam)
+	return editorXMLContainer("Layer", attrs, content)
 }
 
 // sourceNewPageXML 编码新增页面，同时保留复制对象的原文语义

ofdgo_editor_style.go

@@ -49,6 +49,13 @@ func (e *Editor) resolveEditorStyle(object GraphicObject, layer string) (Graphic
 		id = object.TextObject.DrawParam
 	case "PathObject":
 		id = object.PathObject.DrawParam
+	case "CompositeObject", "CompositeGraphicUnit":
+		for _, id := range []string{layer, object.CompositeGraphicUnit.DrawParam} {
+			if _, err := e.editorDrawParam(id, make(map[string]bool)); err != nil {
+				return GraphicObject{}, err
+			}
+		}
+		return object, nil
 	default:
 		return object, nil
 	}

ofdgo_editor_transform.go

@@ -15,6 +15,8 @@
 package ofdgo
 
 import (
+	"bytes"
+	"encoding/xml"
 	"fmt"
 	"math"
 	"slices"
@@ -29,6 +31,7 @@ func (e *Editor) RotateObject(page int, id string, degrees int) error {
 
 // RotateObjects 绕同页选区的可见范围中心旋转
 // 保留相对位置及资源，一次撤销恢复全部
+// 带边框图片转为保留原内容的复合对象，标识不变
 // 入参: page 页面索引, ids 对象标识, degrees 顺时针角度，仅支持90度的整数倍
 // 返回: error 错误信息
 func (e *Editor) RotateObjects(page int, ids []string, degrees int) error {
@@ -64,7 +67,7 @@ func (e *Editor) FlipObjects(page int, ids []string, axis string) error {
 	return e.orientObjects(page, ids, m)
 }
 
-// ResizeObjects 将选区可见范围移动并缩放到指定矩形，文字与路径保持比例，图片支持独立宽高
+// ResizeObjects 将选区可见范围移动并缩放到指定矩形，文字、路径和带边框图片保持比例，无边框图片支持独立宽高
 // 不重排文字或重采样图片，一次撤销恢复全部；基本图形独立调整宽高可使用PathObject.Reshape
 // 入参: page 页面索引, ids 对象标识, box 页面毫米坐标中的目标范围
 // 返回: error 错误信息
@@ -90,27 +93,23 @@ func (e *Editor) ResizeObjects(page int, ids []string, box Box) error {
 	sx, sy := box.W/before.W, box.H/before.H
 	uniform := math.Abs(sx-sy) <= 1e-9*math.Max(sx, sy)
 	matrix := Matrix{a: sx, d: sy, e: box.X - before.X*sx, f: box.Y - before.Y*sy}
-	for i, object := range objects {
+	return e.transformObjects(page, objects, func(object GraphicObject) (GraphicObject, error) {
-		object = cloneEditorData(object)
 		if uniform {
-			object, err = e.transformObject(object, matrix.e, matrix.f, sx)
+			return e.transformObject(object, matrix.e, matrix.f, sx)
-		} else if object.Type == "ImageObject" {
+		} else if object.Type == "ImageObject" && object.ImageObject.Border == nil {
-			object = transformEditorMatrix(object, matrix)
+			return e.transformMatrix(object, matrix)
-		} else {
-			return fmt.Errorf("nonuniform resizing requires image objects")
 		}
-		if err != nil {
+		return GraphicObject{}, fmt.Errorf("nonuniform resizing requires images without borders")
-			return err
+	})
-		}
-		objects[i] = object
-	}
-	return e.updateObjects(page, objects, true)
 }
 
 // transformObject 对原有复杂对象仅更新变换，不重建其文字、画刷或其他局部属性
 // 入参: object 对象, dx、dy 页面位移, scale 缩放比例
 // 返回: GraphicObject 新对象, error 错误信息
 func (e *Editor) transformObject(object GraphicObject, dx, dy, scale float64) (GraphicObject, error) {
+	if object.Type == "ImageObject" && object.ImageObject.Border != nil && scale != 1 {
+		return e.transformMatrix(object, Matrix{a: scale, d: scale, e: dx, f: dy})
+	}
 	if origin := e.objectOrigin(editorObjectID(object)); origin != nil && (!editorXMLSupported(origin.node) || origin.reason != nil) {
 		return transformEditorMatrix(object, Matrix{a: scale, d: scale, e: dx, f: dy}), nil
 	}
@@ -135,10 +134,95 @@ func (e *Editor) orientObjects(page int, ids []string, matrix Matrix) error {
 	}
 	x, y := box.X+box.W/2, box.Y+box.H/2
 	matrix = TranslationMatrix(x, y).Multiply(matrix).Multiply(TranslationMatrix(-x, -y))
-	for i, object := range objects {
+	return e.transformObjects(page, objects, func(object GraphicObject) (GraphicObject, error) {
-		objects[i] = transformEditorMatrix(object, matrix)
+		return e.transformMatrix(object, matrix)
+	})
 }
-	return e.updateObjects(page, objects, true)
+
+// transformObjects 原子变换对象副本，失败不保留新复合资源及其标识
+// 入参: page 页面索引, objects 选区快照, transform 单对象变换
+// 返回: error 错误信息
+func (e *Editor) transformObjects(page int, objects []GraphicObject, transform func(GraphicObject) (GraphicObject, error)) (err error) {
+	count, maximum := len(e.resources), e.maxID
+	idsReady := e.source != nil && e.source.idsReady
+	defer func() {
+		if err != nil {
+			clear(e.resources[count:])
+			e.resources, e.maxID = e.resources[:count], maximum
+			if e.source != nil {
+				e.source.idsReady = idsReady
+			}
+		}
+	}()
+	after := make([]GraphicObject, len(objects))
+	for i, object := range objects {
+		object, err = cloneEditorObject(object)
+		if err != nil {
+			return err
+		}
+		after[i], err = transform(object)
+		if err != nil {
+			return err
+		}
+	}
+	return e.updateObjects(page, after, true)
+}
+
+// transformMatrix 将带边框图片封装为标准复合资源后整体变换，不改变原边框及裁剪语义
+// 入参: object 对象, matrix 页面变换
+// 返回: GraphicObject 变换后的对象, error 错误信息
+func (e *Editor) transformMatrix(object GraphicObject, matrix Matrix) (GraphicObject, error) {
+	if object.Type != "ImageObject" || object.ImageObject.Border == nil {
+		return transformEditorMatrix(object, matrix), nil
+	}
+	origin := e.objectOrigin(object.ImageObject.ID)
+	if origin == nil {
+		return GraphicObject{}, fmt.Errorf("bordered image requires an original object")
+	}
+	if err := e.prepareSourceIDs(); err != nil {
+		return GraphicObject{}, err
+	}
+	box, err := creationBox(object.ImageObject.Boundary)
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	visible, err := NewRenderer(e.source.reader).ObjectBounds(object, "")
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	extent := unionTextBox(box, visible)
+	child := cloneEditorData(object)
+	child.ImageObject.ID = e.nextID()
+	child.ImageObject.Boundary = editorBoxString(Box{X: box.X - extent.X, Y: box.Y - extent.Y, W: box.W, H: box.H})
+	data, err := editorXMLObject(origin.data, origin.node, origin.object, child)
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	data, err = editorXMLStandalone(data, origin.node)
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	content, err := editorXMLContainer("Content", nil, data)
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	id := e.nextID()
+	attrs := ofdAttrs{{Name: xml.Name{Local: "ID"}, Value: id}, {Name: xml.Name{Local: "Width"}, Value: ofdNumber(extent.W)}, {Name: xml.Name{Local: "Height"}, Value: ofdNumber(extent.H)}}
+	data, err = editorXMLContainer("CompositeGraphicUnit", attrs, bytes.TrimPrefix(content, []byte(xml.Header)))
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	data, err = editorXMLContainer("CompositeGraphicUnits", nil, bytes.TrimPrefix(data, []byte(xml.Header)))
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	data, err = editorXMLContainer("Res", ofdAttrs{{Name: xml.Name{Local: "BaseLoc"}, Value: "."}}, bytes.TrimPrefix(data, []byte(xml.Header)))
+	if err != nil {
+		return GraphicObject{}, err
+	}
+	e.resources = append(e.resources, editorResource{name: e.resourceDirectory() + "/Composite_" + id + ".xml", data: data, composite: id})
+	object = GraphicObject{Type: "CompositeObject", CompositeGraphicUnit: CompositeGraphicUnit{ID: object.ImageObject.ID, ResourceID: id, Boundary: editorBoxString(extent)}}
+	return transformEditorMatrix(object, matrix), nil
 }
 
 // transformEditorMatrix 在页面坐标中变换基本对象，保留局部绘制数据和裁剪

ofdgo_editor_xml.go

@@ -302,12 +302,15 @@ func editorXMLContainersSupported(node *editorXML) bool {
 	return true
 }
 
-// editorXMLCopyable 判断独立复制是否无需重写内部标识或动作引用
+// editorXMLCopyable 判断内部标识能否按标准重映射，扩展节点的标识不作推断
 // 入参: node 原始对象节点
 // 返回: bool 是否支持保真复制
 func editorXMLCopyable(node *editorXML) bool {
+	if node.attr("ID") != "" && (editorResourceID(node.attr("ID")) == "" || node.name.Space != "" && node.name.Space != ofdNamespace && node.name.Space != "http://www.ofdspec.org") {
+		return false
+	}
 	for _, child := range node.children {
-		if child.attr("ID") != "" || child.name.Local == "Actions" || !editorXMLCopyable(child) {
+		if !editorXMLCopyable(child) {
 			return false
 		}
 	}

ofdgo_page.go

@@ -58,6 +58,7 @@ type GraphicObject struct {
 	PathObject           PathObject
 	ImageObject          ImageObject
 	CompositeGraphicUnit CompositeGraphicUnit
+	origin               *editorObjectOrigin
 }
 
 // Clips 裁剪区域集合

ofdgo_renderer_bounds.go

@@ -42,12 +42,20 @@ type ObjectContour struct {
 // 入参: object 路径、图片或复合对象, drawParam 图层绘制参数标识
 // 返回: []ObjectContour 可用于点选的轮廓, error 错误信息
 func (r *Renderer) ObjectContours(object GraphicObject, drawParam string) ([]ObjectContour, error) {
+	_, contours, err := r.ObjectGeometry(object, drawParam)
+	return contours, err
+}
+
+// ObjectGeometry 一次度量路径、图片或复合对象的范围与轮廓，语义与ObjectBounds和ObjectContours一致
+// 入参: object 图形对象, drawParam 图层绘制参数标识
+// 返回: Box 毫米范围, []ObjectContour 绘制轮廓, error 错误信息
+func (r *Renderer) ObjectGeometry(object GraphicObject, drawParam string) (Box, []ObjectContour, error) {
 	if object.Type != "PathObject" && object.Type != "ImageObject" && object.Type != "CompositeObject" && object.Type != "CompositeGraphicUnit" {
-		return nil, fmt.Errorf("contours require a path, image or composite object")
+		return Box{}, nil, fmt.Errorf("contours require a path, image or composite object")
 	}
 	bounds := &boundsRenderer{collect: true}
-	_, err := r.measureObject(object, drawParam, bounds)
+	box, err := r.measureObject(object, drawParam, bounds)
-	return bounds.contours, err
+	return box, bounds.contours, err
 }
 
 // measureObject 复用渲染逻辑收集对象范围与可选轮廓

ofdgo_writer.go

@@ -320,7 +320,7 @@ func (e *Editor) usedResources() (fonts, images []editorResource, spaces []Color
 		for _, layer := range page.Content.Layer {
 			for _, object := range layer.Objects {
 				before, exists := original[editorObjectID(object)]
-				if origin := e.objectOrigin(editorObjectID(object)); origin != nil && !exists {
+				if origin := e.objectOrigin(editorObjectID(object)); origin != nil && (!exists || before.Type != object.Type) {
 					for _, name := range origin.page.original.PageRes {
 						files[e.source.reader.ResPath(resolveResourcePath(origin.page.ref.BaseLoc, "", name))] = true
 					}
@@ -334,6 +334,8 @@ func (e *Editor) usedResources() (fonts, images []editorResource, spaces []Color
 					}
 				}
 				switch object.Type {
+				case "CompositeObject", "CompositeGraphicUnit":
+					used[object.CompositeGraphicUnit.ResourceID] = true
 				case "TextObject":
 					used[object.TextObject.Font] = true
 					if e.source != nil && (!exists || before.Type != object.Type || before.TextObject.Font != object.TextObject.Font) {
@@ -355,6 +357,9 @@ func (e *Editor) usedResources() (fonts, images []editorResource, spaces []Color
 		}
 	}
 	for _, resource := range e.resources {
+		if resource.composite != "" && used[resource.composite] {
+			files[resource.name] = true
+		}
 		if resource.font != nil && used[resource.font.ID] {
 			fonts = append(fonts, resource)
 			delete(promoted, resource.font.ID)