feat(渲染注释): 渲染注释，可配置不渲染

ofdgo_annot.go

@@ -38,15 +38,69 @@ type Annotations struct {
 
 // AnnPage 页面注释引用
 type AnnPage struct {
-	PageID     string       `xml:"PageID,attr"`
-	Annotation []Annotation `xml:"Annotation"`
+	PageID  string `xml:"PageID,attr"`
+	FileLoc string `xml:"FileLoc"`
 }
 
-// Annotation 注释定义
+// PageAnnot 页面注释集合
+type PageAnnot struct {
+	XMLName xml.Name     `xml:"PageAnnot"`
+	Annot   []Annotation `xml:"Annot"`
+}
+
+// Annotation 页面注释
 type Annotation struct {
 	ID          string `xml:"ID,attr"`
 	Type        string `xml:"Type,attr"`
+	Subtype     string `xml:"Subtype,attr"`
 	Creator     string `xml:"Creator,attr"`
 	LastModDate string `xml:"LastModDate,attr"`
-	Loc         string `xml:"Loc,attr"`
+	Appearance  Appearance
+}
+
+// Appearance 注释外观
+type Appearance struct {
+	Boundary             string                 `xml:"Boundary,attr"`
+	Objects              []GraphicObject        `xml:"-"`
+	TextObject           []TextObject           `xml:"TextObject"`
+	PathObject           []PathObject           `xml:"PathObject"`
+	ImageObject          []ImageObject          `xml:"ImageObject"`
+	CompositeGraphicUnit []CompositeGraphicUnit `xml:"CompositeGraphicUnit"`
+}
+
+// parseAnnotations 解析注释文件
+// 入参: doc 文档结构
+// 返回: error 错误信息
+func (r *Reader) parseAnnotations(doc *Document) error {
+	if doc.Annotations == "" {
+		return nil
+	}
+	annPath := r.ResPath(doc.Annotations)
+	f, err := r.openFile(annPath)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	var annotations Annotations
+	if err := xml.NewDecoder(f).Decode(&annotations); err != nil {
+		return err
+	}
+	if r.Annots == nil {
+		r.Annots = make(map[string][]Annotation)
+	}
+	for _, page := range annotations.Page {
+		annotPath := resolveResourcePath(annPath, "", page.FileLoc)
+		af, err := r.openFile(annotPath)
+		if err != nil {
+			continue
+		}
+		var pageAnnot PageAnnot
+		err = xml.NewDecoder(af).Decode(&pageAnnot)
+		_ = af.Close()
+		if err != nil {
+			continue
+		}
+		r.Annots[page.PageID] = append(r.Annots[page.PageID], pageAnnot.Annot...)
+	}
+	return nil
 }