mirror of https://github.com/talgo-cloud/bimg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
1.5 KiB
83 lines
1.5 KiB
package bimg
|
|
|
|
type Image struct {
|
|
buffer []byte
|
|
}
|
|
|
|
func (i *Image) Resize(width, height int) ([]byte, error) {
|
|
options := Options{
|
|
Width: width,
|
|
Height: height,
|
|
}
|
|
return i.Process(options)
|
|
}
|
|
|
|
func (i *Image) Extract(top, left, width, height int) ([]byte, error) {
|
|
options := Options{
|
|
Top: top,
|
|
Left: left,
|
|
AreaWidth: width,
|
|
AreaHeight: height,
|
|
}
|
|
return i.Process(options)
|
|
}
|
|
|
|
func (i *Image) Crop(width, height int) ([]byte, error) {
|
|
options := Options{
|
|
Width: width,
|
|
Height: height,
|
|
Crop: true,
|
|
}
|
|
return i.Process(options)
|
|
}
|
|
|
|
func (i *Image) Thumbnail(pixels int) ([]byte, error) {
|
|
options := Options{
|
|
Width: pixels,
|
|
Height: pixels,
|
|
Crop: true,
|
|
Quality: 95,
|
|
}
|
|
return i.Process(options)
|
|
}
|
|
|
|
func (i *Image) Rotate(a Angle) ([]byte, error) {
|
|
options := Options{Rotate: a}
|
|
return i.Process(options)
|
|
}
|
|
|
|
func (i *Image) Flip() ([]byte, error) {
|
|
options := Options{Flip: VERTICAL}
|
|
return i.Process(options)
|
|
}
|
|
|
|
func (i *Image) Convert(t ImageType) ([]byte, error) {
|
|
options := Options{Type: t}
|
|
return i.Process(options)
|
|
}
|
|
|
|
func (i *Image) Process(o Options) ([]byte, error) {
|
|
image, err := Resize(i.buffer, o)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
i.buffer = image
|
|
return image, nil
|
|
}
|
|
|
|
func (i *Image) Type() string {
|
|
return DetermineImageTypeName(i.buffer)
|
|
}
|
|
|
|
func (i *Image) Metadata() (ImageMetadata, error) {
|
|
return Metadata(i.buffer)
|
|
}
|
|
|
|
func (i *Image) Size() (ImageSize, error) {
|
|
return Size(i.buffer)
|
|
}
|
|
|
|
func NewImage(buf []byte) *Image {
|
|
return &Image{buf}
|
|
}
|