leptonica

package module

v0.0.0-...-69e757e Latest Latest Go to latest Published: Oct 28, 2014 License: BSD-2-Clause Imports: 5 Imported by: 12

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Repository

github.com/GeertJohan/go.leptonica

Links

Open Source Insights

README ¶

go.leptonica

go.leptonica wraps the leptonica library for "efficient image processing and image analysis operations".

Installation

go.leptonica requires the leptonica library and development headers to compile. Install following instructions below, then use the gopkg.in versioned release:

go get gopkg.in/GeertJohan/go.leptonica.v1

Debian Wheezy 7 (or later)

sudo apt-get install libleptonica-dev

Manual installation

Install dependencies.

sudo apt-get install autoconf automake libtool libpng12-dev libjpeg62-dev libtiff4-dev zlib1g-dev

Download, configure, make and install

wget http://leptonica.googlecode.com/files/leptonica-1.69.tar.gz
tar zxvf leptonica-1.69.tar.gz
cd leptonica-1.69
./configure
make
sudo make install

Documentation ¶

Index ¶

type ImageType
type Pix
- func NewPixFromFile(filename string) (*Pix, error)
- func NewPixReadMem(image *[]byte) (*Pix, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type ImageType ¶

type ImageType int32

const (
	UNKNOWN ImageType = iota
	BMP
	JFIF_JPEG
	PNG
	TIFF
	TIFF_PACKBITS
	TIFF_RLE
	TIFF_G3
	TIFF_G4
	TIFF_LZW
	TIFF_ZIP
	PNM
	PS
	GIF
	JP2
	WEBP
	LPDF
	DEFAULT
	SPIX
)

type Pix ¶

type Pix struct {
	// contains filtered or unexported fields
}

func NewPixFromFile ¶

func NewPixFromFile(filename string) (*Pix, error)

LEPT_DLL extern PIX * pixRead ( const char *filename ); NewPixFromFile creates a new Pix from given filename

func NewPixReadMem ¶

func NewPixReadMem(image *[]byte) (*Pix, error)

NewPixReadMem creates a new Pix instance from a byte array

func (*Pix) CPIX ¶

func (p *Pix) CPIX() *C.PIX

func (*Pix) Close ¶

func (p *Pix) Close()

func (*Pix) EncodedBytes ¶

func (p *Pix) EncodedBytes(format ImageType) ([]byte, error)

EncodedBytes will return a byte array holding the data from PIX in the given format

func (*Pix) GetDimensions ¶

func (p *Pix) GetDimensions() (int32, int32, int32, error)

GetDimensions returns the dimensions in Width, Height, Depth, Error format

func (*Pix) WriteFile ¶

func (p *Pix) WriteFile(filename string, format ImageType) error

WriteFile saves to disk the current pix in the given format

Source Files ¶

View all Source files

leptonica.go

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