From c599c649abc37900623289304b40c4a032671f33 Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Fri, 20 Dec 2013 13:12:35 -0700
Subject: [PATCH] Translate to image anchor point, scale, rotate, translate
 back

---
 src/ol/render/canvas/canvasreplay.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ol/render/canvas/canvasreplay.js b/src/ol/render/canvas/canvasreplay.js
index 9a63c29df4..14108be165 100644
--- a/src/ol/render/canvas/canvasreplay.js
+++ b/src/ol/render/canvas/canvasreplay.js
@@ -227,8 +227,11 @@ ol.render.canvas.Replay.prototype.replay_ =
           y = (y + 0.5) | 0;
         }
         if (scale != 1 || rotation !== 0) {
+          var centerX = x + anchorX;
+          var centerY = y + anchorY;
           ol.vec.Mat4.makeTransform2D(
-              localTransform, x, y, scale, scale, rotation, -x, -y);
+              localTransform, centerX, centerY, scale, scale,
+              rotation, -centerX, -centerY);
           context.setTransform(
               goog.vec.Mat4.getElement(localTransform, 0, 0),
               goog.vec.Mat4.getElement(localTransform, 1, 0),