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a78d579d58
This only works on Windows as it uses OLE to drive MS Word, but it allows offloading complex functionality to the actual MS Word instead of implementing a Word renderer. Fixes #185
62 lines
1.6 KiB
Go
62 lines
1.6 KiB
Go
// Copyright 2017 Baliance. All rights reserved.
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package main
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import (
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"log"
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"os"
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"path/filepath"
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"baliance.com/gooxml/document"
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"github.com/go-ole/go-ole/oleutil"
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)
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// NOTE: This example can only run on Windows and requires that Word be installed.
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func main() {
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doc := document.New()
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para := doc.AddParagraph()
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run := para.AddRun()
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para.SetStyle("Title")
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run.AddText("Simple Document Formatting")
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para = doc.AddParagraph()
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para.SetStyle("Heading1")
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run = para.AddRun()
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run.AddText("Some Heading Text")
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para = doc.AddParagraph()
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para.SetStyle("Heading2")
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run = para.AddRun()
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run.AddText("Some Heading Text")
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doc.SaveToFile("simple.docx")
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cwd, _ := os.Getwd()
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ConvertToPDF(filepath.Join(cwd, "simple.docx"), filepath.Join(cwd, "simple.pdf"))
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}
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// ConvertToPDF uses go-ole to convert a docx to a PDF using the Word application
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func ConvertToPDF(source, destination string) {
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ole.CoInitialize(0)
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defer ole.CoUninitialize()
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iunk, err := oleutil.CreateObject("Word.Application")
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if err != nil {
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log.Fatalf("error creating Word object: %s", err)
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}
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word := iunk.MustQueryInterface(ole.IID_IDispatch)
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defer word.Release()
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// opening then saving works due to the call to doc.Settings.SetUpdateFieldsOnOpen(true) above
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docs := oleutil.MustGetProperty(word, "Documents").ToIDispatch()
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wordDoc := oleutil.MustCallMethod(docs, "Open", source).ToIDispatch()
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// file format constant comes from https://msdn.microsoft.com/en-us/vba/word-vba/articles/wdsaveformat-enumeration-word
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const wdFormatPDF = 17
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oleutil.MustCallMethod(wordDoc, "SaveAs2", destination, wdFormatPDF)
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oleutil.MustCallMethod(wordDoc, "Close")
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oleutil.MustCallMethod(word, "Quit")
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}
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