Fix image opacity in WinForms and Core Drawing (#1766) (#1767)

oxyplot · May 14, 2021 · 46a4b9c · 46a4b9c
1 parent b392a61
commit 46a4b9c
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -22,6 +22,7 @@ All notable changes to this project will be documented in this file.
 - Zero-crossing axis bounds (#1708)
 - Incorrect label placement on BarSeries with non-zero BaseValue (#1726)
 - LineAnnotation Text Placement on Reversed Axes (#1741)
+- Image opacity in WinForms and Core Drawing (#1766)
 
 ## [2.1.0-Preview1] - 2020-10-18
 

diff --git a/Source/OxyPlot.WindowsForms/GraphicsRenderContext.cs b/Source/OxyPlot.WindowsForms/GraphicsRenderContext.cs
@@ -340,13 +340,13 @@ public override void DrawImage(OxyImage source, double srcX, double srcY, double
                 if (opacity < 1)
                 {
                     var cm = new ColorMatrix
-                                 {
-                                     Matrix00 = 1f,
-                                     Matrix11 = 1f,
-                                     Matrix22 = 1f,
-                                     Matrix33 = 1f,
-                                     Matrix44 = (float)opacity
-                                 };
+                    {
+                        Matrix00 = 1f,
+                        Matrix11 = 1f,
+                        Matrix22 = 1f,
+                        Matrix33 = (float)opacity,
+                        Matrix44 = 1f
+                    };
 
                     ia = new ImageAttributes();
                     ia.SetColorMatrix(cm, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);