Apply the CTM to the offset in the slow SkOffsetImageFilter path.

src/effects/SkOffsetImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkOffsetImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 40 matching lines @@
 
         SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bounds.height()));
         if (NULL == device.get()) {
             return false;
         }
         SkCanvas canvas(device);
         SkPaint paint;
         paint.setXfermodeMode(SkXfermode::kSrc_Mode);
         canvas.translate(SkIntToScalar(srcOffset.fX - bounds.fLeft),
                          SkIntToScalar(srcOffset.fY - bounds.fTop));
-        canvas.drawBitmap(src, fOffset.x(), fOffset.y(), &paint);
+        SkVector vec;
+        matrix.mapVectors(&vec, &fOffset, 1);
+        canvas.drawBitmap(src, vec.x(), vec.y(), &paint);
         *result = device->accessBitmap(false);
         offset->fX = bounds.fLeft;
         offset->fY = bounds.fTop;
     }
     return true;
 }
 
 void SkOffsetImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) const {
     if (getInput(0)) {
         getInput(0)->computeFastBounds(src, dst);
@@ skipping 25 matching lines @@
                                          const CropRect* cropRect) : INHERITED(input, cropRect) {
     fOffset.set(dx, dy);
 }
 
 SkOffsetImageFilter::SkOffsetImageFilter(SkReadBuffer& buffer)
   : INHERITED(1, buffer) {
     buffer.readPoint(&fOffset);
     buffer.validate(SkScalarIsFinite(fOffset.fX) &&
                     SkScalarIsFinite(fOffset.fY));
 }