grayscale

README

grayscale

Overview

Description

Change dimensions of image

Implementation details

Uses the following libs:

• "image" from standard golang (for the image.image type)
• "bytes" from standard golang

Compliance to Spec

Rough level of compliance

100%

Documentation

Index

• func New(ctx operation.InitContext) (operation.Operation, error)
• type Config
• type Input
  • func (i *Input) FromMap(values map[string]interface{}) error
• type Operation
  • func (a *Operation) Eval(inputs map[string]interface{}) (interface{}, error)

Functions

func New

func New(ctx operation.InitContext) (operation.Operation, error)

Types

type Config

type Config struct {
	Operation string                 `json:"operation"`
	Input     map[string]interface{} `json:"input,omitempty"`
}

type Input

type Input struct {
	Img image.Image `md:"img"`
}

func (*Input) FromMap

func (i *Input) FromMap(values map[string]interface{}) error

type Operation

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

func (*Operation) Eval

func (a *Operation) Eval(inputs map[string]interface{}) (interface{}, error)