Fix incorrect color when drawing a single pixel with the Pencil tool.

The color was being set after the special case for drawing a single pixel.

Fixes: #1897245

CHANGELOG.md

@@ -19,6 +19,7 @@ Thanks to the following contributors who worked on this release:
 - Fixed inconsistent behavior when switching between tools that share the same shortcut, such as the selection tools (#144, [#1558767](https://bugs.launchpad.net/pinta/+bug/1558767))
 
 ### Fixed
+- Fixed a bug where drawing a single pixel with the Pencil tool used black instead of the palette color ([#1897245](https://bugs.launchpad.net/pinta/+bug/1897245)).
 - Fixed issues with the zoom controls when using a French locale ([#1464855](https://bugs.launchpad.net/pinta/+bug/1464855))
 - Fixed invalid URLs in `pinta.appdata.xml` (#140, #145)
 - Added missing release notes to `pinta.appdata.xml` (#142)

Pinta.Tools/Tools/PencilTool.cs

@@ -131,7 +131,15 @@ private void Draw (DrawingArea drawingarea1, Color tool_color, Cairo.PointD poin
 
 				g.Antialias = Antialias.None;
 
-                if (first_pixel) {
+				g.SetSourceColor(tool_color);
+				if (UseAlphaBlending)
+					g.SetBlendMode(BlendMode.Normal);
+				else
+					g.Operator = Operator.Source;
+				g.LineWidth = 1;
+				g.LineCap = LineCap.Square;
+
+				if (first_pixel) {
 					// Cairo does not support a single-pixel-long single-pixel-wide line
 					g.Rectangle (x, y, 1.0, 1.0);
 					g.Fill ();
@@ -140,17 +148,8 @@ private void Draw (DrawingArea drawingarea1, Color tool_color, Cairo.PointD poin
 					// See https://bugs.launchpad.net/bugs/672232
 					g.MoveTo (last_point.X + 0.5, last_point.Y + 0.5);
 					g.LineTo (x + 0.5, y + 0.5);
+					g.Stroke();
 				}
-
-				g.SetSourceColor (tool_color);
-				if (UseAlphaBlending)
-					g.SetBlendMode(BlendMode.Normal);
-				else
-					g.Operator = Operator.Source;
-				g.LineWidth = 1;
-				g.LineCap = LineCap.Square;
-
-				g.Stroke ();
 			}
 
 			Gdk.Rectangle r = GetRectangleFromPoints (last_point, new Point (x, y));