Backported from route-me: Line shadows for RMPath

@@ -69,6 +69,11 @@
     size_t _lineDashCount;
     CGFloat lineDashPhase;
 
+    // Line shadow
+    CGFloat shadowBlur;
+    CGSize shadowOffset;
+    BOOL enableShadow;
+
     BOOL scaleLineWidth;
     BOOL scaleLineDash; // if YES line dashes will be scaled to keep a constant size if the layer is zoomed
 
@@ -86,6 +91,9 @@
 @property (nonatomic, assign) BOOL scaleLineDash;
 @property (nonatomic, assign) float lineWidth;
 @property (nonatomic, assign) BOOL	scaleLineWidth;
+@property (nonatomic, assign) CGFloat shadowBlur;
+@property (nonatomic, assign) CGSize shadowOffset;
+@property (nonatomic, assign) BOOL enableShadow;
 @property (nonatomic, retain) UIColor *lineColor;
 @property (nonatomic, retain) UIColor *fillColor;
 @property (nonatomic, readonly) CGRect pathBoundingBox;

@@ -36,6 +36,9 @@
 @synthesize scaleLineWidth;
 @synthesize lineDashPhase;
 @synthesize scaleLineDash;
+@synthesize shadowBlur;
+@synthesize shadowOffset;
+@synthesize enableShadow;
 @synthesize pathBoundingBox;
 
 #define kDefaultLineWidth 2
@@ -64,6 +67,10 @@
     _scaledLineDashLengths = NULL;
     lineDashPhase = 0.0;
 
+    self.shadowBlur = 0.0;
+    self.shadowOffset = CGSizeMake(0, 0);
+    self.enableShadow = NO;
+
     self.masksToBounds = YES;
 
     scaleLineWidth = NO;
@@ -274,6 +281,9 @@
     if (_lineDashLengths)
         CGContextSetLineDash(theContext, lineDashPhase, dashLengths, _lineDashCount);
 
+    if (self.enableShadow)
+        CGContextSetShadow(theContext, self.shadowOffset, self.shadowBlur);
+
     // according to Apple's documentation, DrawPath closes the path if it's a filled style, so a call to ClosePath isn't necessary
     CGContextDrawPath(theContext, drawingMode);
 }

@@ -61,7 +61,7 @@
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-		32CA4F630368D1EE00C91783 /* LayeredMap_Prefix.pch */ = {isa = PBXFileReference; fileEncoding = 4; path = LayeredMap_Prefix.pch; sourceTree = "<group>"; };
+		32CA4F630368D1EE00C91783 /* LayeredMap_Prefix.pch */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LayeredMap_Prefix.pch; sourceTree = "<group>"; };
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