From 67e322ed97bbed7e262e2f2214b2e9234a67c84d Mon Sep 17 00:00:00 2001
From: Matthew Leibowitz <mattleibow@live.com>
Date: Sun, 9 Aug 2020 21:46:45 +0200
Subject: [PATCH] Revert the code for SetScaleTranslate (#1452)

---
 binding/Binding/SKMatrix.cs  | 16 ++++++++++++++--
 tests/Tests/SKMatrixTests.cs | 15 +++++++++++++++
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/binding/Binding/SKMatrix.cs b/binding/Binding/SKMatrix.cs
index e25916a8..6388e814 100644
--- a/binding/Binding/SKMatrix.cs
+++ b/binding/Binding/SKMatrix.cs
@@ -288,8 +288,20 @@ namespace SkiaSharp
 
 		[EditorBrowsable (EditorBrowsableState.Never)]
 		[Obsolete ("Use CreateScaleTranslation(float, float, float, float) instead.")]
-		public void SetScaleTranslate (float sx, float sy, float tx, float ty) =>
-			CreateScaleTranslation (sx, sy, tx, ty);
+		public void SetScaleTranslate (float sx, float sy, float tx, float ty)
+		{
+			scaleX = sx;
+			skewX = 0;
+			transX = tx;
+
+			skewY = 0;
+			scaleY = sy;
+			transY = ty;
+
+			persp0 = 0;
+			persp1 = 0;
+			persp2 = 1;
+		}
 
 		// Rotate
 
diff --git a/tests/Tests/SKMatrixTests.cs b/tests/Tests/SKMatrixTests.cs
index 68545eab..c78b87d2 100644
--- a/tests/Tests/SKMatrixTests.cs
+++ b/tests/Tests/SKMatrixTests.cs
@@ -227,5 +227,20 @@ namespace SkiaSharp.Tests
 			Assert.Equal(10, newPoint.X, PRECISION);
 			Assert.Equal(40, newPoint.Y, PRECISION);
 		}
+
+		[Obsolete]
+		[SkippableFact]
+		public void SetScaleTranslateWorksCorrectly()
+		{
+			var tempMatrix = SKMatrix.MakeIdentity();
+
+			tempMatrix.Values = new float[] { 1, 0, 0, 0, 1, 0, 0, 0, 1 };
+
+			SKMatrix.RotateDegrees(ref tempMatrix, 0);
+
+			tempMatrix.SetScaleTranslate(1.2f, 1.0f, 0, 0);
+
+			Assert.Equal(1.2f, tempMatrix.Values[0]);
+		}
 	}
 }