从流添加文件附件注释
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文件附件注释允许将文件嵌入为 PDF 页面内的交互式图标。使用基于流的方法,您可以在不依赖物理文件路径的情况下动态附加文件。此方法还支持自定义注释的外观,包括不透明度。
- 创建 PdfContentEditor 对象。
- 绑定输入 PDF。
- 将附件文件读取为流。
- 添加文件附件注释。
- 保存已更新的 Document。
import aspose.pdf.facades as pdf_facades
import aspose.pydrawing as apd
from io import BytesIO
import sys
from os import path
sys.path.append(path.join(path.dirname(__file__), ".."))
from config import set_license, initialize_data_dir
def add_file_attachment_annotation_from_stream(infile, attachment_file, outfile):
# Create PdfContentEditor object
content_editor = pdf_facades.PdfContentEditor()
# Bind document to PdfContentEditor
content_editor.bind_pdf(infile)
with open(attachment_file, "rb") as source_stream:
attachment_stream = BytesIO(source_stream.read())
# Create file attachment annotation using stream+opacity overload
content_editor.create_file_attachment(
apd.Rectangle(130, 520, 20, 20),
"Attachment annotation from stream",
attachment_stream,
path.basename(attachment_file),
1,
"Tag",
0.75,
)
# Save updated document
content_editor.save(outfile)