mirror of
https://github.com/celogeek/go-comic-converter.git
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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
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import (
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"image"
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"image/color"
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"image/draw"
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"github.com/disintegration/gift"
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)
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// Pixel Generate a blank pixel 1x1, if the size of the image is 0x0.
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//
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// An image 0x0 is not a valid image, and failed to read.
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func Pixel() gift.Filter {
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return pixel{}
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}
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type pixel struct {
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}
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func (p pixel) Bounds(srcBounds image.Rectangle) (dstBounds image.Rectangle) {
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if srcBounds.Dx() == 0 || srcBounds.Dy() == 0 {
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dstBounds = image.Rect(0, 0, 1, 1)
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} else {
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dstBounds = srcBounds
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}
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return
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}
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func (p pixel) Draw(dst draw.Image, src image.Image, _ *gift.Options) {
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if dst.Bounds().Dx() == 1 && dst.Bounds().Dy() == 1 {
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dst.Set(0, 0, color.White)
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return
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}
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draw.Draw(dst, dst.Bounds(), src, src.Bounds().Min, draw.Src)
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}
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