mirror of
https://github.com/celogeek/go-comic-converter.git
synced 2025-05-25 00:02:37 +02:00
8ba9092d9c
In order to let third parties use the package of this library, we moved the pkg folder out of the locked internal folder
37 lines
757 B
Go
37 lines
757 B
Go
package epubimagefilters
|
|
|
|
import (
|
|
"image"
|
|
"image/color"
|
|
"image/draw"
|
|
|
|
"github.com/disintegration/gift"
|
|
)
|
|
|
|
// Pixel Generate a blank pixel 1x1, if the size of the image is 0x0.
|
|
//
|
|
// An image 0x0 is not a valid image, and failed to read.
|
|
func Pixel() gift.Filter {
|
|
return pixel{}
|
|
}
|
|
|
|
type pixel struct {
|
|
}
|
|
|
|
func (p pixel) Bounds(srcBounds image.Rectangle) (dstBounds image.Rectangle) {
|
|
if srcBounds.Dx() == 0 || srcBounds.Dy() == 0 {
|
|
dstBounds = image.Rect(0, 0, 1, 1)
|
|
} else {
|
|
dstBounds = srcBounds
|
|
}
|
|
return
|
|
}
|
|
|
|
func (p pixel) Draw(dst draw.Image, src image.Image, _ *gift.Options) {
|
|
if dst.Bounds().Dx() == 1 && dst.Bounds().Dy() == 1 {
|
|
dst.Set(0, 0, color.White)
|
|
return
|
|
}
|
|
draw.Draw(dst, dst.Bounds(), src, src.Bounds().Min, draw.Src)
|
|
}
|