cr2

package
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Published: May 19, 2014 License: Apache-2.0 Imports: 5 Imported by: 0

Documentation

Overview

Package cr2 implements rudimentary support for reading Canon Camera Raw 2 (CR2) files.

CR2 is a bastardized TIFF file with a JPEG file inside it (yeah, thanks Canon). This package is a stripped back version of code.google.com/p/go.image/tiff.

Known limitations:

It has only been tested with files generated by a Canon EOS 550D.

Because TIFF files and CR2 files share the same first few bytes, the image package's file type detection will fail to reocgnize a cr2 if the tiff reader is also imported.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Decode

func Decode(r io.Reader) (img image.Image, err error)

Decode reads a TIFF image from r and returns it as an image.Image. The type of Image returned depends on the contents of the TIFF.

func DecodeConfig

func DecodeConfig(r io.Reader) (image.Config, error)

DecodeConfig returns the color model and dimensions of a TIFF image without decoding the entire image.

Types

type FormatError

type FormatError string

A FormatError reports that the input is not a valid TIFF image.

func (FormatError) Error

func (e FormatError) Error() string

type InternalError

type InternalError string

An InternalError reports that an internal error was encountered.

func (InternalError) Error

func (e InternalError) Error() string

type UnsupportedError

type UnsupportedError string

An UnsupportedError reports that the input uses a valid but unimplemented feature.

func (UnsupportedError) Error

func (e UnsupportedError) Error() string

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