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// Copyright 2012 The 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 main
import (
"fmt"
"image"
)
func main() {
r := image.Rect(2, 1, 5, 5)
// Dx and Dy return a rectangle's width and height.
fmt.Println(r.Dx(), r.Dy(), image.Pt(0, 0).In(r)) // prints 3 4 false
}
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