package image
Alpha is an in-memory image whose At method returns color.Alpha values.
Golang image.Alpha type usage examples
Example 1:
func (self *Surface) GetImage() image.Image {
width := self.GetWidth()
height := self.GetHeight()
stride := self.GetStride()
data := self.GetData()
switch self.GetFormat() {
case FORMAT_A8:
return &image.Alpha{ // <-- here
Pix: data,
Stride: stride,
Rect: image.Rect(0, 0, width, height),
}
...
Example 2:
type Font struct {
name string
glyphs *image.Alpha
letters map[byte]image.Rectangle
avg_width float32
height int
}
Reference :
http://golang.org/pkg/image/#Alpha
