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added doc

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This commit is contained in:
Erik Bunn 2022-06-27 14:17:50 +02:00
parent 1c31e40d79
commit 734c6f648d
1 changed files with 2 additions and 0 deletions
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2
raster_renderer.go
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@ -23,6 +23,8 @@ func PNG(width, height int) (Renderer, error) {
return nil, err
}
// InMemory returns an in-memory raster renderer that calls cb() with the
// rendered image upon completion.
func InMemory(width, height int, cb func(image.Image)) (Renderer, error) {
i := image.NewRGBA(image.Rect(0, 0, width, height))
gc, err := drawing.NewRasterGraphicContext(i)