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Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/thumbnail.go')
-rw-r--r-- | Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/thumbnail.go | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/thumbnail.go b/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/thumbnail.go deleted file mode 100644 index d3ad7e8f7..000000000 --- a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/thumbnail.go +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright 2011 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 graphics - -import ( - "image" - "image/draw" -) - -// Thumbnail scales and crops src so it fits in dst. -func Thumbnail(dst draw.Image, src image.Image) error { - // Scale down src in the dimension that is closer to dst. - sb := src.Bounds() - db := dst.Bounds() - rx := float64(sb.Dx()) / float64(db.Dx()) - ry := float64(sb.Dy()) / float64(db.Dy()) - var b image.Rectangle - if rx < ry { - b = image.Rect(0, 0, db.Dx(), int(float64(sb.Dy())/rx)) - } else { - b = image.Rect(0, 0, int(float64(sb.Dx())/ry), db.Dy()) - } - - buf := image.NewRGBA(b) - if err := Scale(buf, src); err != nil { - return err - } - - // Crop. - // TODO(crawshaw): improve on center-alignment. - var pt image.Point - if rx < ry { - pt.Y = (b.Dy() - db.Dy()) / 2 - } else { - pt.X = (b.Dx() - db.Dx()) / 2 - } - draw.Draw(dst, db, buf, pt, draw.Src) - return nil -} |