image

Documentation

Index

• func EmbedJPEG(w pdf.Putter, src image.Image, opts *jpeg.Options, resName pdf.Name) (*graphics.XObject, error)
• func EmbedPNG(w pdf.Putter, src image.Image, resName pdf.Name) (*graphics.XObject, error)
• type Image
  • func JPEG(src image.Image, opts *jpeg.Options) (Image, error)
  • func PNG(src image.Image) (Image, error)
• type Rectangle
  • func (r Rectangle) Dx() int
  • func (r Rectangle) Dy() int

Functions

func EmbedJPEG

func EmbedJPEG(w pdf.Putter, src image.Image, opts *jpeg.Options, resName pdf.Name) (*graphics.XObject, error)

EmbedJPEG writes the image src to the PDF file w, using lossy compression.

func EmbedPNG

func EmbedPNG(w pdf.Putter, src image.Image, resName pdf.Name) (*graphics.XObject, error)

EmbedPNG writes the image `src` to the PDF file w, using a lossless representation very similar to the PNG format.

Types

type Image

type Image interface {
	Embed(w pdf.Putter, defaultName pdf.Name) (*graphics.XObject, error)
	Bounds() Rectangle
}

Image represents a raster image which can be embedded in a PDF file.

func JPEG

func JPEG(src image.Image, opts *jpeg.Options) (Image, error)

func PNG

func PNG(src image.Image) (Image, error)

type Rectangle

type Rectangle struct {
	XMin, YMin, XMax, YMax int
}

Rectangle gives the dimensions of an image.

func (Rectangle) Dx

func (r Rectangle) Dx() int

Dx returns the width of the rectangle.

func (Rectangle) Dy

func (r Rectangle) Dy() int

Dy returns the height of the rectangle.