Merge pull request #276 from guzba/master

binding fixes

src/pixie/images.nim

@@ -450,7 +450,7 @@ proc invert*(target: Image | Mask) {.raises: [].} =
       target.data[j] = (255 - target.data[j]).uint8
 
 proc blur*(
-  image: Image, radius: float32, outOfBounds: SomeColor = Color()
+  image: Image, radius: float32, outOfBounds: SomeColor = color(0, 0, 0, 0)
 ) {.raises: [PixieError].} =
   ## Applies Gaussian blur to the image given a radius.
   let radius = round(radius).int

src/pixie/paths.nim

@@ -402,7 +402,7 @@ proc ellipticalArcTo*(
   path.at = vec2(x, y)
 
 proc arc*(
-  path: Path, x, y, r, a0, a1: float32, ccw: bool
+  path: Path, x, y, r, a0, a1: float32, ccw: bool = false
 ) {.raises: [PixieError].} =
   ## Adds a circular arc to the current sub-path.
   if r == 0: # When radius is zero, do nothing.