1 files changed, 3 insertions, 10 deletions
diff --git a/generic/tkCanvBmap.c b/generic/tkCanvBmap.c
index 948379d..34c74f3 100644
--- a/generic/tkCanvBmap.c
+++ b/generic/tkCanvBmap.c
@@ -817,16 +817,9 @@ RotateBitmap(
     double angleRad)
 {
     BitmapItem *bmapPtr = (BitmapItem *) itemPtr;
-    double x, y, nx, ny;
-    double s = sin(angleRad);
-    double c = cos(angleRad);
-
-    x = bmapPtr->x - originX;
-    y = bmapPtr->y - originY;
-    nx = x * c - y * s;
-    ny = x * s + y * c;
-    bmapPtr->x = nx + originX;
-    bmapPtr->y = ny + originY;
+
+    TkRotatePoint(originX, originY, sin(angleRad), cos(angleRad),
+	    &bmapPtr->x, &bmapPtr->y);
     ComputeBitmapBbox(canvas, bmapPtr);
 }