go-cairo

go-cairo

Go binding for the cairo graphics library

Based on Dethe Elza's version https://bitbucket.org/dethe/gocairo but significantly extended and updated.

Go specific extensions:

• NewSurfaceFromImage(image.Image)
• Surface.GetData() []byte
• Surface.SetData([]byte)
• Surface.GetImage() image.Image
• Surface.SetImage(image.Image)

go-cairo also sports a sub package extimage with image.Image/draw.Image implementations for 32 bit ARGB and 24 bit RGB color models.

Overview:

• http://go.pkgdoc.org/github.com/ungerik/go-cairo
• http://go.pkgdoc.org/github.com/ungerik/go-cairo/extimage

Missing features

• TextCluster
• FontExtents
• FontFace
• FontOptions
• ScaledFont
• Glyph

Installation:

Install cairo:

For Debian and Debian derivatives including Ubuntu:

sudo apt-get install libcairo2-dev

For Fedora:

sudo yum install cairo-devel

For openSUSE:

zypper install cairo-devel

For Arch Linux: (also gcc and pkgconf are required)

sudo pacman -S cairo

For MacOS you may get errors finding cairo-pdf.h. To fix this run:

xcode-select --install

Install go-cairo and run go-cairo-example:

go get github.com/ungerik/go-cairo
go install github.com/ungerik/go-cairo/go-cairo-example && go-cairo-example

Copyrights: See LICENSE file