unipdf/pdf/creator/utils.go

46 lines
815 B
Go

/*
* This file is subject to the terms and conditions defined in
* file 'LICENSE.md', which is part of this source code package.
*/
package creator
import (
"os"
"github.com/unidoc/unidoc/pdf/model"
)
// Loads the template from path as a list of pages.
func loadPagesFromFile(path string) ([]*model.PdfPage, error) {
// Read the input pdf file.
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
pdfReader, err := model.NewPdfReader(f)
if err != nil {
return nil, err
}
numPages, err := pdfReader.GetNumPages()
if err != nil {
return nil, err
}
// Load the pages.
var pages []*model.PdfPage
for i := 0; i < numPages; i++ {
page, err := pdfReader.GetPage(i + 1)
if err != nil {
return nil, err
}
pages = append(pages, page)
}
return pages, nil
}