wkhtmltoimage

Documentation

Overview

ref: https://github.com/jujusharp/html2image ref: https://github.com/chap/wkhtmltopdf-heroku-18-buildpack 0.12.5 ubuntu 18.04 Package wkhtmltoimage provides a simple wrapper around wkhtmltoimage (http://wkhtmltopdf.org/) binary.

Index

• func GenerateImage(options *ImageOptions) ([]byte, error)
• type ImageOptions

Functions

func GenerateImage

func GenerateImage(options *ImageOptions) ([]byte, error)

GenerateImage creates an image from an input. It returns the image ([]byte) and any error encountered.

Types

type ImageOptions

type ImageOptions struct {
	// BinaryPath the path to your wkhtmltoimage binary. REQUIRED
	//
	// Must be absolute path e.g /usr/local/bin/wkhtmltoimage
	BinaryPath string
	// Input is the content to turn into an image. REQUIRED
	//
	// Can be a url (http://example.com), a local file (/tmp/example.html), or html as a string (send "-" and set the HTML value)
	Input string
	// Format is the type of image to generate
	//
	// jpg, png, svg, bmp supported. Defaults to local wkhtmltoimage default
	Format string
	// Height is the height of the screen used to render in pixels.
	//
	// Default is calculated from page content. Default 0 (renders entire page top to bottom)
	Height int
	// Width is the width of the screen used to render in pixels.
	//
	// Note that this is used only as a guide line. Default 1024
	Width int
	// Quality determines the final image quality.
	//
	// Values supported between 1 and 100. Default is 94
	Quality int
	// Crop-x determines the final image crop from x
	CropX int
	// Crop-y determines the final image crop from y
	CropY int
	// Crop-w determines the final image crop width
	CropW int
	// Crop-h determines the final image crop height
	CropH int
	// HTML is a string of html to render into and image.
	//
	// Only needed to be set if Input is set to "-"
	HTML string
	// Output controls how to save or return the image.
	//
	// Leave nil to return a []byte of the image. Set to a path (/tmp/example.png) to save as a file.
	Output string
}

ImageOptions represent the options to generate the image.