diff --git a/.DS_Store b/.DS_Store
index 0d55d6a..780ac67 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/Sources/VLSheetView.h b/Sources/VLSheetView.h
index d8a122d..5052935 100644
--- a/Sources/VLSheetView.h
+++ b/Sources/VLSheetView.h
@@ -5,7 +5,7 @@
 //
 //      (MN)    Matthias Neeracher
 //
-// Copyright © 2005-2011 Matthias Neeracher
+// Copyright © 2005-2012 Matthias Neeracher
 //
 
 #import <Cocoa/Cocoa.h>
@@ -161,6 +161,13 @@ const uint32_t kNoMeasure = (uint32_t)-1;
 
 @end
 
+@interface NSImage (VLSheetViewDrawing)
+
+- (void) drawAllAtPoint:(NSPoint)p operation:(NSCompositingOperation)op;
+- (void) drawAllAtPoint:(NSPoint)p;
+
+@end
+
 // Local Variables:
 // mode:ObjC
 // End:
diff --git a/Sources/VLSheetView.mm b/Sources/VLSheetView.mm
index 21aad1a..9ab247d 100644
--- a/Sources/VLSheetView.mm
+++ b/Sources/VLSheetView.mm
@@ -457,9 +457,7 @@ const char * sBreak[3] = {"", "\xE2\xA4\xBE", "\xE2\x8E\x98"};
 				[bz setLineWidth:2.0];
 			}
 			if (song->fGoToCoda == m || song->fCoda == m) 
-				[[self musicElement:kMusicCoda] 
-					compositeToPoint: NSMakePoint(x+kCodaX, yy+kCodaY)
-					operation: NSCompositeSourceOver];
+				[[self musicElement:kMusicCoda] drawAllAtPoint:NSMakePoint(x+kCodaX, yy+kCodaY)];
 		}
 	}
 
@@ -485,9 +483,7 @@ const char * sBreak[3] = {"", "\xE2\xA4\xBE", "\xE2\x8E\x98"};
 	//
 	// Draw clef
 	//
-	[[self musicElement:kMusicGClef] 
-		compositeToPoint: NSMakePoint(kClefX, kSystemY+kClefY)
-		operation: NSCompositeSourceOver];
+	[[self musicElement:kMusicGClef] drawAllAtPoint:NSMakePoint(kClefX, kSystemY+kClefY)];
 	//
 	// Draw measure #
 	//
@@ -500,19 +496,13 @@ const char * sBreak[3] = {"", "\xE2\xA4\xBE", "\xE2\x8E\x98"};
 	if (kProp.fKey > 0) {
 		float x = kClefX+kClefW;
 		for (int i=0; i<kProp.fKey; ++i) {
-			[[self musicElement:kMusicSharp] 
-				compositeToPoint: 
-					NSMakePoint(x, kSystemY+sSharpPos[i]+kSharpY)
-				operation: NSCompositeSourceOver];
+			[[self musicElement:kMusicSharp] drawAllAtPoint:NSMakePoint(x, kSystemY+sSharpPos[i]+kSharpY)];
 			x += kAccW;
 		}
 	} else if (kProp.fKey < 0) {
 		float x = kClefX+kClefW;
 		for (int i=0; -i>kProp.fKey; ++i) {
-			[[self musicElement: kMusicFlat] 
-				compositeToPoint: 
-					NSMakePoint(x, kSystemY+sFlatPos[i]+kFlatY)
-				operation: NSCompositeSourceOver];
+			[[self musicElement: kMusicFlat] drawAllAtPoint:NSMakePoint(x, kSystemY+sFlatPos[i]+kFlatY)];
 			x += kAccW;
 		}
 	}
@@ -1050,4 +1040,18 @@ const float kSemiFloor = -1.0f*kLineH;
 }
 
 @end
-	
+
+@implementation NSImage (VLSheetViewDrawing)
+
+- (void) drawAllAtPoint:(NSPoint)p operation:(NSCompositingOperation)op
+{
+    [self compositeToPoint:p operation:op];
+}
+
+- (void) drawAllAtPoint:(NSPoint)p
+{
+    [self compositeToPoint:p operation:NSCompositeSourceOver];
+}
+
+@end
+
diff --git a/Sources/VLSheetViewNotes.mm b/Sources/VLSheetViewNotes.mm
index 76522ad..0ec795f 100644
--- a/Sources/VLSheetViewNotes.mm
+++ b/Sources/VLSheetViewNotes.mm
@@ -127,9 +127,7 @@
     }
 	
 	NSPoint	xy = NSMakePoint(cursorX-kNoteX, cursorY);
-	[[self musicElement:cursorElt] 
-		compositeToPoint:xy
-		operation: NSCompositeSourceOver];
+	[[self musicElement:cursorElt] drawAllAtPoint:xy];
     
 	if (accidental) {
 		xy.y               += kNoteY;
@@ -156,9 +154,7 @@
 			xy.y	+= kNaturalY;
 			break;
 		}
-		[[self musicElement:accidental] 
-			compositeToPoint:xy
-			operation: NSCompositeSourceOver];
+		[[self musicElement:accidental] drawAllAtPoint:xy];
 	}
 }
 
@@ -198,8 +194,7 @@
 		s.x	-= 2.0f;
 		break;
 	}
-	[head compositeToPoint:p
-		  operation: NSCompositePlusDarker];	
+	[head drawAllAtPoint:p operation:NSCompositePlusDarker];
 	//
 	// Draw accidental
 	//
@@ -230,8 +225,7 @@
         default:
             break;
 		}
-		[[self musicElement:accidental] 
-			compositeToPoint:at operation: NSCompositeSourceOver];
+		[[self musicElement:accidental] drawAllAtPoint:at];
 	}
 	//
 	// Draw stem
@@ -261,8 +255,7 @@
 		[bz lineToPoint:s1];
 		[bz stroke];
 		if (flag) 
-			[flag compositeToPoint:s
-				  operation: NSCompositePlusDarker];
+			[flag drawAllAtPoint:s operation:NSCompositePlusDarker];
 	}
 	//
 	// Draw tie
@@ -319,8 +312,7 @@
 		p.x -= kNoteX;
 		break;
 	}
-	[head compositeToPoint:p
-		  operation: NSCompositeSourceOver];
+	[head drawAllAtPoint:p];
 }
 
 - (void) drawTuplet:(uint16_t)tuplet bracketFrom:(int)startX to:(int)endX atY:(int)y