From 4c79f1bccd360a19379186c4a7e2f24aa9a9e457 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sun, 7 Dec 2014 23:20:41 +0900
Subject: [PATCH] Hide Color.Dim / Geometry.Dim

---
 graphics/matrix/affine.go   | 8 ++++----
 graphics/matrix/color.go    | 2 +-
 graphics/matrix/geometry.go | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/graphics/matrix/affine.go b/graphics/matrix/affine.go
index 12f24bf21..e58a511fd 100644
--- a/graphics/matrix/affine.go
+++ b/graphics/matrix/affine.go
@@ -1,13 +1,13 @@
 package matrix
 
 type affine interface {
-	Dim() int
+	dim() int
 	element(i, j int) float64
 	setElement(i, j int, element float64)
 }
 
 func isIdentity(matrix affine) bool {
-	dim := matrix.Dim()
+	dim := matrix.dim()
 	for i := 0; i < dim-1; i++ {
 		for j := 0; j < dim; j++ {
 			element := matrix.element(i, j)
@@ -22,8 +22,8 @@ func isIdentity(matrix affine) bool {
 }
 
 func mul(lhs, rhs, result affine) {
-	dim := lhs.Dim()
-	if dim != rhs.Dim() {
+	dim := lhs.dim()
+	if dim != rhs.dim() {
 		panic("diffrent-sized matrices can't be multiplied")
 	}
 
diff --git a/graphics/matrix/color.go b/graphics/matrix/color.go
index 896df9970..a59f2342d 100644
--- a/graphics/matrix/color.go
+++ b/graphics/matrix/color.go
@@ -22,7 +22,7 @@ func ColorI() Color {
 	}
 }
 
-func (matrix *Color) Dim() int {
+func (matrix *Color) dim() int {
 	return ColorDim
 }
 
diff --git a/graphics/matrix/geometry.go b/graphics/matrix/geometry.go
index 2274168b9..631463a4b 100644
--- a/graphics/matrix/geometry.go
+++ b/graphics/matrix/geometry.go
@@ -19,7 +19,7 @@ func GeometryI() Geometry {
 	}
 }
 
-func (matrix *Geometry) Dim() int {
+func (matrix *Geometry) dim() int {
 	return GeometryDim
 }