Prepare examples for v1.15.0 (#16)

document/text_extraction_with_numbering/main.go

@@ -0,0 +1,68 @@
+// Copyright 2020 FoxyUtils ehf. All rights reserved.
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/unidoc/unioffice/common/license"
+	"github.com/unidoc/unioffice/document"
+	"github.com/unidoc/unioffice/measurement"
+)
+
+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 := license.SetMeteredKey(os.Getenv(`UNIDOC_LICENSE_API_KEY`))
+	if err != nil {
+		panic(err)
+	}
+}
+
+func main() {
+	doc, err := document.Open("numbered_list.docx")
+	if err != nil {
+		panic(err)
+	}
+	// To extract the text and work with the formatted info in a simple fashion, you can use:
+	extracted := doc.ExtractText()
+	for ei, e := range extracted.Items {
+		fmt.Println(ei)
+		fmt.Println("Text:", e.Text)
+		if e.Run != nil && e.Run.RPr != nil {
+			runProps := e.Run.RPr
+			fmt.Println("Bold:", runProps.B != nil)
+			fmt.Println("Italic:", runProps.I != nil)
+			if color := runProps.Color; color != nil {
+				fmt.Printf("Color: #%s\n", runProps.Color.ValAttr)
+			}
+			if highlight := runProps.Highlight; highlight != nil {
+				fmt.Printf("Highlight: %s\n", runProps.Highlight.ValAttr.String())
+			}
+		}
+		if tblInfo := e.TableInfo; tblInfo != nil {
+			if tc := tblInfo.Cell; tc != nil {
+				fmt.Println("Row:", tblInfo.RowIndex)
+				fmt.Println("Column:", tblInfo.ColIndex)
+				if pr := tc.TcPr; pr != nil {
+					if pr.Shd != nil {
+						fmt.Printf("Shade color: #%s\n", pr.Shd.FillAttr)
+					}
+				}
+			}
+		}
+		if drawingInfo := e.DrawingInfo; drawingInfo != nil {
+			fmt.Println("Height in mm:", measurement.FromEMU(drawingInfo.Height)/measurement.Millimeter)
+			fmt.Println("Width in mm:", measurement.FromEMU(drawingInfo.Width)/measurement.Millimeter)
+		}
+		fmt.Println("--------")
+	}
+	// document.ExtractTextOptions contains options to include the numbering and it's spacing indent.
+	// If you want to work with the flattened text, simply use:
+	fmt.Println("\nFLATTENED:")
+	fmt.Println(extracted.TextWithOptions(
+		document.ExtractTextOptions{
+			WithNumbering:   true,
+			NumberingIndent: " ",
+		}))
+}

go.mod

@@ -4,7 +4,7 @@ go 1.13
 
 require (
 	github.com/go-ole/go-ole v1.2.5
-	github.com/unidoc/unioffice v1.14.0
+	github.com/unidoc/unioffice v1.15.0
 	github.com/unidoc/unipdf/v3 v3.28.0
 	golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf // indirect
 )

go.sum

@@ -34,8 +34,8 @@ 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 v1.14.0 h1:rzDlgznRdE5uCzmeuXOEO/kMXMRMGVeKN1hHUg8Ep4c=
-github.com/unidoc/unioffice v1.14.0/go.mod h1:GNSDPZRcSSMRSiZWVJNWH22nFv705ppUQLa1pfbgAAk=
+github.com/unidoc/unioffice v1.15.0 h1:pMEL9pXap4Ew+KJj6iP1pyE9VH33PcYYLRlZ9KQC3FI=
+github.com/unidoc/unioffice v1.15.0/go.mod h1:GNSDPZRcSSMRSiZWVJNWH22nFv705ppUQLa1pfbgAAk=
 github.com/unidoc/unipdf/v3 v3.28.0 h1:flSCHcrfPHbxaSMltbUqk2Kd+2CsYWOiItj8XqRQc4o=
 github.com/unidoc/unipdf/v3 v3.28.0/go.mod h1:WdRz3hVhi/M0jFGXhsT5/9FDyRfga6KgI2ZQqjiOXaM=
 github.com/unidoc/unitype v0.2.1 h1:x0jMn7pB/tNrjEVjy3Ukpxo++HOBQaTCXcTYFA6BH3w=

presentation/convert_to_pdf/main.go

@@ -0,0 +1,62 @@
+// Copyright 2017 FoxyUtils ehf. All rights reserved.
+/*
+ * 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/unioffice/common/license"
+	"github.com/unidoc/unioffice/presentation"
+	"github.com/unidoc/unioffice/presentation/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)
+	}
+}
+
+var filenames = []string{
+	"chart",
+	"picture",
+	"several_slides",
+	"table",
+}
+
+func main() {
+	for _, filename := range filenames {
+		ppt, err := presentation.Open(filename + ".pptx")
+		if err != nil {
+			log.Fatalf("error opening document: %s", err)
+		}
+		defer ppt.Close()
+		outputFilename := "output/" + filename
+		c := convert.ConvertToPdf(ppt)
+		err = c.WriteToFile(fmt.Sprintf("%s.pdf", outputFilename))
+		if err != nil {
+			log.Fatalf("error saving PDF: %s", err)
+		}
+	}
+}

presentation/text_extraction/main.go

@@ -1,3 +1,4 @@
+// Copyright 2017 FoxyUtils ehf. All rights reserved.
 package main
 
 import (

presentation/use-template-with-image/main.go

@@ -1,3 +1,4 @@
+// Copyright 2017 FoxyUtils ehf. All rights reserved.
 package main
 
 import (

presentation/use-template/main.go

@@ -1,3 +1,4 @@
+// Copyright 2017 FoxyUtils ehf. All rights reserved.
 package main
 
 import (