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// Copyright 2012 The Graphics-Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package interp implements image interpolation.
An interpolator provides the Interp interface, which can be used
to interpolate a pixel:
c := interp.Bilinear.Interp(src, 1.2, 1.8)
To interpolate a large number of RGBA or Gray pixels, an implementation
may provide a fast-path by implementing the RGBA or Gray interfaces.
i1, ok := i.(interp.RGBA)
if ok {
c := i1.RGBA(src, 1.2, 1.8)
// use c.R, c.G, etc
return
}
c := i.Interp(src, 1.2, 1.8)
// use generic color.Color
*/
package interp
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