feat(正式发布): 实现了OFD渲染和导出为PDF、图片、矢量图等

ofdgo_annot.go

@@ -0,0 +1,53 @@
+// Copyright 2025 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 首款原生、全平台兼容的纯 Go 语言 OFD 渲染库
+package ofdgo
+
+import "encoding/xml"
+
+// Signatures 签名集合
+type Signatures struct {
+	XMLName   xml.Name    `xml:"Signatures"`
+	MaxSignID string      `xml:"MaxSignId,attr"`
+	Signature []Signature `xml:"Signature"`
+}
+
+// Signature 签名信息
+type Signature struct {
+	ID      string `xml:"ID,attr"`
+	Type    string `xml:"Type,attr"`
+	BaseLoc string `xml:"BaseLoc,attr"`
+}
+
+// Annotations 注释集合
+type Annotations struct {
+	XMLName xml.Name  `xml:"Annotations"`
+	Page    []AnnPage `xml:"Page"`
+}
+
+// AnnPage 页面注释引用
+type AnnPage struct {
+	PageID     string       `xml:"PageID,attr"`
+	Annotation []Annotation `xml:"Annotation"`
+}
+
+// Annotation 注释定义
+type Annotation struct {
+	ID          string `xml:"ID,attr"`
+	Type        string `xml:"Type,attr"`
+	Creator     string `xml:"Creator,attr"`
+	LastModDate string `xml:"LastModDate,attr"`
+	Loc         string `xml:"Loc,attr"`
+}