Image filters: change applyCropRect() to take a src rect.

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 19 matching lines @@
 
         offset->fX = srcOffset.fX + SkScalarRoundToInt(vec.fX);
         offset->fY = srcOffset.fY + SkScalarRoundToInt(vec.fY);
         *result = src;
     } else {
         if (!this->filterInput(0, proxy, source, ctx, &src, &srcOffset)) {
             return false;
         }
 
         SkIRect bounds;
-        if (!this->applyCropRect(ctx, src, srcOffset, &bounds)) {
+        SkIRect srcBounds = src.bounds();
+        srcBounds.offset(srcOffset);
+        if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
             return false;
         }
 
         SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bounds.height()));
         if (nullptr == device.get()) {
             return false;
         }
         SkCanvas canvas(device);
         SkPaint paint;
         paint.setXfermodeMode(SkXfermode::kSrc_Mode);
@@ skipping 52 matching lines @@
 void SkOffsetImageFilter::toString(SkString* str) const {
     str->appendf("SkOffsetImageFilter: (");
     str->appendf("offset: (%f, %f) ", fOffset.fX, fOffset.fY);
     str->append("input: (");
     if (this->getInput(0)) {
         this->getInput(0)->toString(str);
     }
     str->append("))");
 }
 #endif