BRegion: add ScaleBy method.

* Is there a reason to not have it?
2014-06-19 18:05:14 +02:00
parent 3fc9fd5624
commit 669ac9d6f5
3 changed files with 28 additions and 0 deletions
@@ -81,6 +81,16 @@ offset_rect(clipping_rect &rect, int32 x, int32 y)
 }


+static inline void
+scale_rect(clipping_rect& rect, float x, float y)
+{
+	rect.left = (int)(rect.left * x);
+	rect.top = (int)(rect.top * y);
+	rect.right = (int)(rect.right * x);
+	rect.bottom = (int)(rect.bottom * y);
+}
+
+
 // Converts the given clipping_rect to a BRect
 static inline BRect
 to_BRect(const clipping_rect &rect)