summaryrefslogtreecommitdiffstats
path: root/vendor/golang.org/x/image/draw/go1_8.go
diff options
context:
space:
mode:
authorChristopher Speller <crspeller@gmail.com>2017-03-13 12:54:22 -0400
committerGitHub <noreply@github.com>2017-03-13 12:54:22 -0400
commitc281ee3b61e8ab53ff118866d72618ae8cce582b (patch)
tree776e7bdf6c8bfbb9a1dee5976496ab065959991f /vendor/golang.org/x/image/draw/go1_8.go
parent3ada7a41a7fb13abef19dd63dc56b720900dbaa9 (diff)
downloadchat-c281ee3b61e8ab53ff118866d72618ae8cce582b.tar.gz
chat-c281ee3b61e8ab53ff118866d72618ae8cce582b.tar.bz2
chat-c281ee3b61e8ab53ff118866d72618ae8cce582b.zip
Updating server dependancies. Also adding github.com/jaytaylor/html2text and gopkg.in/gomail.v2 (#5748)
Diffstat (limited to 'vendor/golang.org/x/image/draw/go1_8.go')
-rw-r--r--vendor/golang.org/x/image/draw/go1_8.go49
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/golang.org/x/image/draw/go1_8.go b/vendor/golang.org/x/image/draw/go1_8.go
new file mode 100644
index 000000000..ec192b717
--- /dev/null
+++ b/vendor/golang.org/x/image/draw/go1_8.go
@@ -0,0 +1,49 @@
+// Copyright 2015 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.
+
+// +build !go1.9,!go1.8.typealias
+
+package draw
+
+import (
+ "image"
+ "image/color"
+ "image/draw"
+)
+
+// Drawer contains the Draw method.
+type Drawer interface {
+ // Draw aligns r.Min in dst with sp in src and then replaces the
+ // rectangle r in dst with the result of drawing src on dst.
+ Draw(dst Image, r image.Rectangle, src image.Image, sp image.Point)
+}
+
+// Image is an image.Image with a Set method to change a single pixel.
+type Image interface {
+ image.Image
+ Set(x, y int, c color.Color)
+}
+
+// Op is a Porter-Duff compositing operator.
+type Op int
+
+const (
+ // Over specifies ``(src in mask) over dst''.
+ Over Op = Op(draw.Over)
+ // Src specifies ``src in mask''.
+ Src Op = Op(draw.Src)
+)
+
+// Draw implements the Drawer interface by calling the Draw function with
+// this Op.
+func (op Op) Draw(dst Image, r image.Rectangle, src image.Image, sp image.Point) {
+ (draw.Op(op)).Draw(dst, r, src, sp)
+}
+
+// Quantizer produces a palette for an image.
+type Quantizer interface {
+ // Quantize appends up to cap(p) - len(p) colors to p and returns the
+ // updated palette suitable for converting m to a paletted image.
+ Quantize(p color.Palette, m image.Image) color.Palette
+}