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go-libreofficekit

(★ 125)

CGo bindings to LibreOfficeKit

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Download Latest Version (.zip)

- sample.docx
.gitignore
.travis.yml
Dockerfile
libreofficekit.go
libreofficekit_test.go
LICENSE
lokbridge.h
README.md

# Installation Guide

1. Get the code

git clone https://github.com/dveselov/go-libreofficekit

Downloads the entire project code from GitHub to your computer.

cd go-libreofficekit

Moves into the project folder you just downloaded.

2. Docker

Easy Recommended

Prerequisites

Git Needed to download the project code from GitHub.
Docker Desktop Needed to build and run containers. Install it and keep it running in the background.

docker build -t go-libreofficekit .

Builds a runnable image based on the Dockerfile.

docker run -p 8080:80 go-libreofficekit

Runs the built image as an actual container.

✅ Run docker compose ps to check the containers are Up. If the README mentions a port, open http://localhost:PORT in your browser.

// repository documentation

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# go-libreofficekit [![Build Status](https://travis-ci.org/dveselov/go-libreofficekit.svg?branch=master)](https://travis-ci.org/dveselov/go-libreofficekit) [![](https://godoc.org/github.com/docsbox/go-libreofficekit?status.svg)](https://godoc.org/github.com/docsbox/go-libreofficekit) [![Go Report Card](https://goreportcard.com/badge/github.com/dveselov/go-libreofficekit)](https://goreportcard.com/report/github.com/dveselov/go-libreofficekit) [![codecov](https://codecov.io/gh/dveselov/go-libreofficekit/branch/master/graph/badge.svg)](https://codecov.io/gh/dveselov/go-libreofficekit)

CGo bindings to [LibreOfficeKit](https://docs.libreoffice.org/libreofficekit.html)

# Install
```bash 
# Latest version of LibreOffice (5.2) is required
$ sudo add-apt-repository ppa:libreoffice/ppa 
$ sudo apt-get update
$ sudo apt-get install libreoffice libreofficekit-dev
$ go get github.com/docsbox/go-libreofficekit
```

# Usage

This example demonstrates how to convert Microsoft Office document to PDF

```go
package main

import "github.com/dveselov/go-libreofficekit"

func main() {
    office, _ := libreofficekit.NewOffice("/path/to/libreoffice")
    
    document, _ := office.LoadDocument("kittens.docx")
    document.SaveAs("kittens.pdf", "pdf", "skipImages")

document.Close()
    office.Close()
}

```

This example demonstrates how to get presentation slides titles

```go
package main

import "fmt"
import "github.com/dveselov/go-libreofficekit"

func main() {
    office, _ := libreofficekit.NewOffice("/path/to/libreoffice")
    
    document, _ := office.LoadDocument("kittens.pptx")
    slidesCount := document.GetParts()

for i := 1; i < slidesCount; i++ {
        document.SetPart(i)
        currentPart = document.GetPart()
        fmt.Println("Current slide =", currentPart)
        currentPartName = document.GetPartName(i)
        fmt.Println("Current slide title =", currentPartName)
    }

document.Close()
    office.Close()
}
```

Next example demonstrates how to use built-in LibreOffice rendering engine for creating page-by-page documents previews.

```go
package main

import (
    "os"
    "fmt"
    "unsafe"
    "image"
    "image/png"
)
import "github.com/dveselov/go-libreofficekit"

func main() {
    office, _ := libreofficekit.NewOffice("/path/to/libreoffice")
    document, _ := office.LoadDocument("kittens.docx")

rectangles := document.GetPartPageRectangles()
    canvasWidth := libreofficekit.TwipsToPixels(rectangles[0].Dx(), 120)
    canvasHeight := libreofficekit.TwipsToPixels(rectangles[0].Dy(), 120)

m := image.NewRGBA(image.Rect(0, 0, canvasWidth, canvasHeight))

for i, rectangle := range rectangles {
        document.PaintTile(unsafe.Pointer(&m.Pix[0]), canvasWidth, canvasHeight, rectangle.Min.X, rectangle.Min.Y, rectangle.Dx(), rectangle.Dy())
        libreofficekit.BGRA(m.Pix)
        out, _ := os.Create(fmt.Sprintf("page_%v.png", i))
        png.Encode(out, m)
        out.Close()
    }
}
```