mirror of
https://github.com/xiaoqidun/ofdgo.git
synced 2026-10-29 08:46:55 +08:00
92 lines
3.3 KiB
Go
92 lines
3.3 KiB
Go
// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ofdgo
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import (
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"context"
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"encoding/xml"
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"fmt"
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"maps"
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"slices"
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)
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// addOwnedVector 将本库生成的独立对象注册为标准矢量资源，不保留内联复合内容
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// 入参: ctx 取消上下文, objects 无原文和标识的对象, width 资源宽度, height 资源高度
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// 返回: string 资源编号, error 校验、编码或取消错误
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func (e *Editor) addOwnedVector(ctx context.Context, objects []GraphicObject, width, height float64) (string, error) {
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return (&editorValidation{Editor: e}).addOwnedVector(ctx, objects, width, height)
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}
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// addOwnedVector 在资源不变的构建会话内登记矢量资源，复用资源校验结果
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// 入参: ctx 取消上下文, objects 无原文和标识的对象, width 资源宽度, height 资源高度
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// 返回: string 资源编号, error 校验、编码或取消错误
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func (v *editorValidation) addOwnedVector(ctx context.Context, objects []GraphicObject, width, height float64) (string, error) {
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e := v.Editor
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if !finite(width) || !finite(height) || width < 0 || height < 0 {
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return "", fmt.Errorf("invalid vector dimensions")
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}
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for index, object := range objects {
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if err := ctx.Err(); err != nil {
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return "", err
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}
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prepared, err := v.prepareObject(e.nextID(), object)
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if err != nil {
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return "", err
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}
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objects[index] = prepared
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}
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id := e.nextID()
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name := e.packageName("Res/Composites/Composite_" + id + ".xml")
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scan := &editorReferenceScan{refs: &editorResourceRefs{ids: make(map[string]bool), files: make(map[string]bool), fonts: make(map[string]*editorFontUsage)}, objects: make(map[string]bool), name: name, safe: true}
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data, err := encodeOFDXMLContext(ctx, func(x *ofdXML) {
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x.references = scan
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x.root("Res", ofdAttrs{{Name: xml.Name{Local: "BaseLoc"}, Value: "."}})
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x.start("CompositeGraphicUnits", nil)
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x.start("CompositeGraphicUnit", ofdAttrs{{Name: xml.Name{Local: "ID"}, Value: id},
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{Name: xml.Name{Local: "Width"}, Value: ofdNumber(width)}, {Name: xml.Name{Local: "Height"}, Value: ofdNumber(height)}})
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x.start("Content", nil)
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for _, object := range objects {
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if err := ctx.Err(); err != nil {
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x.err = err
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return
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}
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x.object(object, false)
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}
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x.end("Content")
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x.end("CompositeGraphicUnit")
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x.end("CompositeGraphicUnits")
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x.end("Res")
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})
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if err != nil {
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return "", err
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}
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resource := editorResource{name: name, data: data, composite: id}
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if scan.safe && scan.seen && len(scan.stack) == 0 {
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resource.references = slices.Sorted(maps.Keys(scan.objects))
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resource.usage = scan.vectorUsage(data)
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} else {
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resource, err = e.compositeResource(id, data)
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if err != nil {
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return "", err
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}
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}
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e.resources = append(e.resources, resource)
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if v.vectors == nil {
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v.vectors = make(map[string]bool)
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}
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v.vectors[id] = true
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return id, ctx.Err()
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}
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