57 lines
853 B
Go
57 lines
853 B
Go
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//go:build todo
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package imageutils
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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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)
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type pair struct {
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first, second image.Image
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}
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func (p pair) ColorModel() color.Model { return p.first.ColorModel() }
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func (p pair) Bounds() image.Rectangle {
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var (
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b1 = p.first.Bounds()
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b2 = p.second.Bounds()
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)
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return image.Rectangle{
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image.ZP,
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image.Point{
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X: b1.Dx() + b2.Dx(),
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Y: max(b1.Dy(), b2.Dy()),
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},
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}
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}
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func (p pair) At(x, y int) color.Color {
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rgbaImg := image.NewRGBA(p.Bounds())
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draw.Draw(
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rgbaImg,
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rgbaImg.Bounds(),
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p.first,
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image.ZP,
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draw.Src,
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)
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draw.Draw(
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rgbaImg,
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p.Bounds(),
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p.second,
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image.Point{
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p.first.Bounds().Dx(),
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0,
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},
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draw.Src,
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)
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return rgbaImg
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}
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// Concat concatenates second image to the right side of first.
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func Concat(i1, i2 image.Image) image.Image {
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return pair{i1, i2}
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}
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