Files
ofdgo/ofdgo_renderer_pdf_write.go
T
2026-10-14 09:02:24 +08:00

52 lines
1.7 KiB
Go

// 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 (
"context"
"io"
codecpdf "github.com/xiaoqidun/ofdgo/internal/codec/pdf"
"github.com/xiaoqidun/pdfgo"
)
// writePDF 传递后端资源记录及OFD导航修正,写出最终PDF
// 入参: ctx 取消上下文, data 后端PDF数据, writer 输出流, optimization 优化配置
// 返回: error 资源、压缩或写入错误
func (r *pdfRenderer) writePDF(ctx context.Context, data []byte, writer io.Writer, optimization pdfgo.OptimizeOptions) error {
if r.imageError != nil {
return r.imageError
}
options := codecpdf.WriteOptions{
Images: r.images,
Text: r.text,
ExactImages: r.exactImages,
ExactText: r.exactText,
Optimization: optimization,
}
if r.navigation != nil && r.navigation.nativeWrite {
options.Links = make(map[int][]*pdfgo.LinkRegion, len(r.navigation.Link))
for page, links := range r.navigation.Link {
regions := make([]*pdfgo.LinkRegion, len(links))
for i, link := range links {
regions[i] = link.Region
}
options.Links[page] = regions
}
options.PrepareRewrite = r.navigation.prepareRewrite
}
return codecpdf.Write(ctx, data, writer, options)
}