From 6fc6c7ed95caf643e40d165aaeb06d40e0caa9b1 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Wed, 18 Feb 2015 11:04:23 +0900
Subject: [PATCH] Add comments

---
 colorm.go | 2 ++
 geom.go   | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/colorm.go b/colorm.go
index 193e17efa..522268207 100644
--- a/colorm.go
+++ b/colorm.go
@@ -77,6 +77,7 @@ func (c *ColorM) Add(other ColorM) {
 	*c = result
 }
 
+// Scale scales the matrix by (x, y).
 func (c *ColorM) Scale(r, g, b, a float64) {
 	if !c.initialized {
 		c.initialize()
@@ -89,6 +90,7 @@ func (c *ColorM) Scale(r, g, b, a float64) {
 	}
 }
 
+// Translate translates the matrix by (x, y).
 func (c *ColorM) Translate(r, g, b, a float64) {
 	if !c.initialized {
 		c.initialize()
diff --git a/geom.go b/geom.go
index b042cd203..ac8828d1e 100644
--- a/geom.go
+++ b/geom.go
@@ -70,6 +70,7 @@ func (g *GeoM) Add(other GeoM) {
 	*g = result
 }
 
+// Scale scales the matrix by (x, y).
 func (g *GeoM) Scale(x, y float64) {
 	if !g.initialized {
 		g.initialize()
@@ -80,6 +81,7 @@ func (g *GeoM) Scale(x, y float64) {
 	}
 }
 
+// Translate translates the matrix by (x, y).
 func (g *GeoM) Translate(tx, ty float64) {
 	if !g.initialized {
 		g.initialize()
@@ -111,7 +113,7 @@ func ScaleGeo(x, y float64) GeoM {
 	}
 }
 
-// TranslateGeo returns a matrix taht translates a geometry matrix by (tx, ty).
+// TranslateGeo returns a matrix that translates a geometry matrix by (tx, ty).
 func TranslateGeo(tx, ty float64) GeoM {
 	return GeoM{
 		initialized: true,