image: delete the image.Repeated type.

R=r
CC=golang-dev
https://golang.org/cl/5636045

doc/go1.html

@@ -1115,9 +1115,7 @@ packages.
 The old <code>image.ColorImage</code> type is still in the <code>image</code>
 package but has been renamed
 <a href="/pkg/image/#Uniform"><code>image.Uniform</code></a>,
-while <code>image.Tiled</code>
-has been renamed
-<a href="/pkg/image/#Repeated"><code>image.Repeated</code></a>.
+while <code>image.Tiled</code> has been removed.
 </p>
 
 <p>
@@ -1178,7 +1176,6 @@ This table lists the renamings.
 <td colspan="2"><hr></td>
 </tr>
 <tr><td>image.ColorImage</td> <td>image.Uniform</td></tr>
-<tr><td>image.Tiled</td> <td>image.Repeated</td></tr>
 </table>
 
 <p>

doc/go1.tmpl

@@ -1018,9 +1018,7 @@ packages.
 The old <code>image.ColorImage</code> type is still in the <code>image</code>
 package but has been renamed
 <a href="/pkg/image/#Uniform"><code>image.Uniform</code></a>,
-while <code>image.Tiled</code>
-has been renamed
-<a href="/pkg/image/#Repeated"><code>image.Repeated</code></a>.
+while <code>image.Tiled</code> has been removed.
 </p>
 
 <p>
@@ -1081,7 +1079,6 @@ This table lists the renamings.
 <td colspan="2"><hr></td>
 </tr>
 <tr><td>image.ColorImage</td> <td>image.Uniform</td></tr>
-<tr><td>image.Tiled</td> <td>image.Repeated</td></tr>
 </table>
 
 <p>

src/cmd/fix/imagetiled.go

-// 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 (
-	"go/ast"
-)
-
-func init() {
-	register(imagetiledFix)
-}
-
-var imagetiledFix = fix{
-	"imagetiled",
-	"2012-01-10",
-	imagetiled,
-	`Rename image.Tiled to image.Repeated.
-
-http://codereview.appspot.com/5530062
-`,
-}
-
-func imagetiled(f *ast.File) bool {
-	if !imports(f, "image") {
-		return false
-	}
-
-	fixed := false
-	walk(f, func(n interface{}) {
-		s, ok := n.(*ast.SelectorExpr)
-		if !ok || !isTopName(s.X, "image") || s.Sel.String() != "Tiled" {
-			return
-		}
-		s.Sel = &ast.Ident{Name: "Repeated"}
-		fixed = true
-	})
-	return fixed
-}

src/cmd/fix/imagetiled_test.go

-// 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
-
-func init() {
-	addTestCases(imagetiledTests, imagetiled)
-}
-
-var imagetiledTests = []testCase{
-	{
-		Name: "imagetiled.0",
-		In: `package main
-
-import (
-	"foo"
-	"image"
-)
-
-var (
-	_ foo.Tiled
-	_ image.RGBA
-	_ image.Tiled
-)
-`,
-		Out: `package main
-
-import (
-	"foo"
-	"image"
-)
-
-var (
-	_ foo.Tiled
-	_ image.RGBA
-	_ image.Repeated
-)
-`,
-	},
-}

src/pkg/image/names.go

@@ -50,30 +50,3 @@ func (c *Uniform) Opaque() bool {
 func NewUniform(c color.Color) *Uniform {
 	return &Uniform{c}
 }
-
-// Repeated is an Image that is a source Image translated by -Offset and then
-// repeated in all four directions to infinity.
-//
-// Repeated{src, off}.At(x, y) will equal src.At(x+off.X, y+off.Y) for all
-// points {x+off.X, y+off.Y} within src's Bounds.
-type Repeated struct {
-	// I is the source image.
-	I Image
-	// Offset is the translation vector from result pixel to source pixel.
-	Offset Point
-}
-
-func (r *Repeated) ColorModel() color.Model {
-	return r.I.ColorModel()
-}
-
-func (r *Repeated) Bounds() Rectangle { return Rectangle{Point{-1e9, -1e9}, Point{1e9, 1e9}} }
-
-func (r *Repeated) At(x, y int) color.Color {
-	p := Point{x, y}.Add(r.Offset).Mod(r.I.Bounds())
-	return r.I.At(p.X, p.Y)
-}
-
-func NewRepeated(i Image, offset Point) *Repeated {
-	return &Repeated{i, offset}
-}