Refactor blocks

pixmappaint.d

@@ -219,14 +219,14 @@ private struct OriginRectangle {
 	}
 }
 
-private {
-
 @safe pure nothrow @nogc:
+
+// misc
+private {
 	Point pos(Rectangle r) => r.upperLeft;
 }
 
-// Alpha-blending functions
-@safe pure nothrow @nogc {
+// ==== Alpha-blending functions ====
 
 ///
 public void alphaBlend(scope Pixel[] target, scope const Pixel[] source) @trusted
@@ -249,10 +249,8 @@ private {
 		px = cast(ubyte)(d + s);
 	}
 }
-}
 
-// Drawing functions
-@safe pure nothrow @nogc {
+// ==== Drawing functions ====
 
 /++
 	Draws a single pixel
@@ -406,4 +404,3 @@ private {
 			= sheet.pixmap.sliceAt(Point(drawingSource.x, y + drawingSource.y), drawingWidth);
 	}
 }
-}