images

func (Image) Blob ¶

func (img Image) Blob() []byte

Method for converting Image to blob.

func (Image) Clone ¶

func (img Image) Clone() Image

Clone an image. Remember images and made clones need to be destroyed using Destroy().

func (Image) Convert ¶

func (img Image) Convert(ext string) (err error)

Converts the image to different format. Takes extension as parameter.

func (Image) Crop ¶

func (img Image) Crop(w, h, x, y int) error

Crop cuts image to requested size. Parameters x and y give offset of cropping.

func (*Image) FromBlob ¶

func (img *Image) FromBlob(blob []byte) error

func (*Image) FromFile ¶

func (img *Image) FromFile(filename string) error

Returns Image from file.

func (*Image) FromWeb ¶

func (img *Image) FromWeb(url string) error

Return binary blob of an image from web.

func (Image) GetExtension ¶

func (img Image) GetExtension() (ext string)

Returns filename extension of the image e.g. jpg, gif, webp

func (Image) GetHeight ¶

func (img Image) GetHeight() int

Returns image height

func (Image) GetWidth ¶

func (img Image) GetWidth() int

Returns image width

func (Image) Resize ¶

func (img Image) Resize(w, h int) error

func (Image) Watermark ¶

func (img Image) Watermark(watermark Image, horizontal, vertical float64) error

Watermark adds watermark Image to img. Parameters horizontal and vertical tell where watermark is placed. 0.0, 0.0 for leftmost uppercorner and 1.0, 1.0 for rigthmost lower corner.