Merge pull request #14 from unidoc/rc-v1.13.0

Prepare examples for unioffice v1.13.0

document/doc-to-pdf-fonts/main.go

@@ -0,0 +1,67 @@
+/*
+ * This example showcases PDF generation from docx document with UniOffice package.
+ */
+
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	unipdflicense "github.com/unidoc/unipdf/v3/common/license"
+	"github.com/unidoc/unipdf/v3/model"
+
+	"github.com/unidoc/unioffice/common/license"
+	"github.com/unidoc/unioffice/document"
+	"github.com/unidoc/unioffice/document/convert"
+)
+
+func init() {
+	// Make sure to load your metered License API key prior to using the library.
+	// If you need a key, you can sign up and create a free one at https://cloud.unidoc.io
+	err := unipdflicense.SetMeteredKey(os.Getenv(`UNIDOC_LICENSE_API_KEY`))
+	if err != nil {
+		fmt.Printf("ERROR: Failed to set metered key: %v\n", err)
+		fmt.Printf("Make sure to get a valid key from https://cloud.unidoc.io\n")
+		fmt.Printf("If you don't have one - Grab one in the Free Tier at https://cloud.unidoc.io\n")
+		panic(err)
+	}
+
+	// This example requires both for unioffice and unipdf.
+	err = license.SetMeteredKey(os.Getenv(`UNIDOC_LICENSE_API_KEY`))
+	if err != nil {
+		fmt.Printf("ERROR: Failed to set metered key: %v\n", err)
+		fmt.Printf("Make sure to get a valid key from https://cloud.unidoc.io\n")
+		fmt.Printf("If you don't have one - Grab one in the Free Tier at https://cloud.unidoc.io\n")
+		panic(err)
+	}
+}
+
+func main() {
+
+	// register all fonts from the folder
+	err := convert.RegisterFontsFromDirectory("fonts/PTSans")
+	if err != nil {
+		log.Fatalf("Error registering fonts from the folder: %s\n", err)
+	}
+
+	// register fonts in more precise way
+	zcoolRegular, err := model.NewCompositePdfFontFromTTFFile("fonts/ZCOOL/ZCOOLXiaoWei-Regular.ttf")
+	if err != nil {
+		log.Fatalf("error opening font: %s\n", err)
+	}
+	convert.RegisterFont("SimHei", convert.FontStyle_Regular, zcoolRegular) // we can use one font instead of other
+
+	doc, err := document.Open("fonts.docx")
+	if err != nil {
+		log.Fatalf("error opening document: %s", err)
+	}
+	defer doc.Close()
+	c := convert.ConvertToPdf(doc)
+
+	err = c.WriteToFile("fonts.pdf")
+	if err != nil {
+		log.Fatalf("error converting document: %s", err)
+	}
+}

document/doc-to-pdf/main.go

@@ -50,7 +50,7 @@ var filenames = []string{
 
 func main() {
 	for _, filename := range filenames {
-		outputPath := filename + ".pdf"
+		outputPath := fmt.Sprintf("output/%s.pdf", filename)
 		doc, err := document.Open(filename + ".docx")
 		if err != nil {
 			log.Fatalf("error opening document: %s", err)

document/watermark-picture/main.go

@@ -0,0 +1,61 @@
+// Copyright 2017 FoxyUtils ehf. All rights reserved.
+
+package main
+
+import (
+	"log"
+
+	"github.com/unidoc/unioffice/common"
+	"github.com/unidoc/unioffice/common/license"
+	"github.com/unidoc/unioffice/document"
+	"github.com/unidoc/unioffice/measurement"
+)
+
+const licenseKey = `
+-----BEGIN UNIDOC LICENSE KEY-----
+Free trial license keys are available at: https://unidoc.io/
+-----END UNIDOC LICENSE KEY-----
+`
+
+func init() {
+	err := license.SetLicenseKey(licenseKey, `Company Name`)
+	if err != nil {
+		panic(err)
+	}
+}
+
+var lorem = `Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin lobortis, lectus dictum feugiat tempus, sem neque finibus enim, sed eleifend sem nunc ac diam. Vestibulum tempus sagittis elementum`
+
+func main() {
+	doc := document.New()
+	defer doc.Close()
+
+	para := doc.AddParagraph()
+	run := para.AddRun()
+	for i := 0; i < 16; i++ {
+		run.AddText(lorem)
+	}
+
+	// Put image watermark to document.
+	img1, err := common.ImageFromFile("gophercolor.png")
+	if err != nil {
+		log.Fatalf("unable to create image: %s", err)
+	}
+
+	// Add image to document.
+	img1ref, err := doc.AddImage(img1)
+	if err != nil {
+		log.Fatalf("unable to add image to document: %s", err)
+	}
+
+	// Set watermark to doc.
+	watermark := doc.AddWatermarkPicture(img1ref)
+	watermark.SetPictureWashout(true)
+
+	// Get image size and set watermark size.
+	// SetPictureSize accept parameter image width and image height.
+	imageSize := img1ref.Size()
+	watermark.SetPictureSize(int64(imageSize.X*measurement.Point), int64(imageSize.Y*measurement.Point))
+
+	doc.SaveToFile("watermark-picture.docx")
+}

document/watermark-text/main.go

@@ -0,0 +1,44 @@
+// Copyright 2017 FoxyUtils ehf. All rights reserved.
+package main
+
+import (
+	"github.com/unidoc/unioffice/common/license"
+	"github.com/unidoc/unioffice/document"
+)
+
+const licenseKey = `
+-----BEGIN UNIDOC LICENSE KEY-----
+Free trial license keys are available at: https://unidoc.io/
+-----END UNIDOC LICENSE KEY-----
+`
+
+func init() {
+	err := license.SetLicenseKey(licenseKey, `Company Name`)
+	if err != nil {
+		panic(err)
+	}
+}
+
+var lorem = `Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin lobortis, lectus dictum feugiat tempus, sem neque finibus enim, sed eleifend sem nunc ac diam. Vestibulum tempus sagittis elementum`
+
+func main() {
+	doc := document.New()
+	defer doc.Close()
+
+	para := doc.AddParagraph()
+	run := para.AddRun()
+	for i := 0; i < 16; i++ {
+		run.AddText(lorem)
+	}
+
+	// Set watermark to doc.
+	watermark := doc.AddWatermarkText("TEST")
+
+	// Change style of watermark text.
+	// Currently having 2 function,
+	// SetTextStyleBold and SetTextStyleItalic.
+	watermark.SetTextStyleBold(true)
+	watermark.SetTextStyleItalic(false)
+
+	doc.SaveToFile("watermark-text.docx")
+}

go.mod

@@ -4,7 +4,7 @@ go 1.13
 
 require (
 	github.com/go-ole/go-ole v1.2.5
-	github.com/unidoc/unioffice v1.12.0
+	github.com/unidoc/unioffice v1.13.0
 	github.com/unidoc/unipdf/v3 v3.25.0
 	golang.org/x/sys v0.0.0-20210414055047-fe65e336abe0 // indirect
 )

go.sum

@@ -29,8 +29,8 @@ github.com/unidoc/pkcs7 v0.0.0-20200411230602-d883fd70d1df h1:1RV3lxQ6L6xGFNhngp
 github.com/unidoc/pkcs7 v0.0.0-20200411230602-d883fd70d1df/go.mod h1:UEzOZUEpJfDpywVJMUT8QiugqEZC29pDq7kdIZhWCr8=
 github.com/unidoc/timestamp v0.0.0-20200412005513-91597fd3793a h1:RLtvUhe4DsUDl66m7MJ8OqBjq8jpWBXPK6/RKtqeTkc=
 github.com/unidoc/timestamp v0.0.0-20200412005513-91597fd3793a/go.mod h1:j+qMWZVpZFTvDey3zxUkSgPJZEX33tDgU/QIA0IzCUw=
-github.com/unidoc/unioffice v1.12.0 h1:5AjvI1QbNfqcZZ83o2heEsCI43BH4XMrQD+IUKVUgV8=
-github.com/unidoc/unioffice v1.12.0/go.mod h1:8QJAWaP6ZNjyoONjKXmzbM07/nDDgHpj5uO7xaBH6Ok=
+github.com/unidoc/unioffice v1.13.0 h1:4FWEQDqd2nNjZq/CaRAHlKxmJDuLD1Pm/vDCnYkO9MM=
+github.com/unidoc/unioffice v1.13.0/go.mod h1:Wt6osBNYJnvTSjijk915JAf+NedEeFuVb0AZjCif0OI=
 github.com/unidoc/unipdf/v3 v3.22.0/go.mod h1:WdRz3hVhi/M0jFGXhsT5/9FDyRfga6KgI2ZQqjiOXaM=
 github.com/unidoc/unipdf/v3 v3.25.0 h1:OJmfZg2BJdA10oOcb6leyi3lDjeDf5SV1OFlBrBc5+4=
 github.com/unidoc/unipdf/v3 v3.25.0/go.mod h1:WdRz3hVhi/M0jFGXhsT5/9FDyRfga6KgI2ZQqjiOXaM=