From 14abc28d3ab97ee7d8976f11019fe5a38b150ea0 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Wed, 27 Jan 2021 02:37:37 +0900
Subject: [PATCH] internal/color: Remove Add

---
 internal/affine/colorm.go | 37 -------------------------------------
 1 file changed, 37 deletions(-)

diff --git a/internal/affine/colorm.go b/internal/affine/colorm.go
index b112883a4..06072d675 100644
--- a/internal/affine/colorm.go
+++ b/internal/affine/colorm.go
@@ -438,43 +438,6 @@ func (c *ColorM) Concat(other *ColorM) *ColorM {
 	}
 }
 
-// Add is deprecated.
-func (c *ColorM) Add(other *ColorM) *ColorM {
-	lhsb := colorMIdentityBody
-	lhst := colorMIdentityTranslate
-	rhsb := colorMIdentityBody
-	rhst := colorMIdentityTranslate
-	if other.isInited() {
-		if other.body != nil {
-			lhsb = other.body
-		}
-		if other.translate != nil {
-			lhst = other.translate
-		}
-	}
-	if c.isInited() {
-		if c.body != nil {
-			rhsb = c.body
-		}
-		if c.translate != nil {
-			rhst = c.translate
-		}
-	}
-
-	newC := &ColorM{
-		body:      make([]float32, 16),
-		translate: make([]float32, 4),
-	}
-	for i := range lhsb {
-		newC.body[i] = lhsb[i] + rhsb[i]
-	}
-	for i := range lhst {
-		newC.translate[i] = lhst[i] + rhst[i]
-	}
-
-	return newC
-}
-
 // Scale scales the matrix by (r, g, b, a).
 func (c *ColorM) Scale(r, g, b, a float32) *ColorM {
 	if !c.isInited() {