"NULL !=" = NULL

src/core/SkPicturePlayback.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkPatchUtils.h"
 #include "SkPictureData.h"
@@ skipping 65 matching lines @@
     }
 
     return NULL;
 }
 
 // Initialize the state tree iterator. Return false if there is nothing left to draw.
 bool SkPicturePlayback::initIterator(SkPictureStateTree::Iterator* iter,
                                      SkCanvas* canvas,
                                      const SkPicture::OperationList *activeOpsList) {
 
-    if (NULL != activeOpsList) {
+    if (activeOpsList) {
         if (0 == activeOpsList->numOps()) {
             return false;  // nothing to draw
         }
 
         fPictureData->initIterator(iter, activeOpsList->fOps, canvas);
     }
 
     return true;
 }
 
@@ skipping 46 matching lines @@
     SkReader32 reader(fPictureData->opData()->bytes(), fPictureData->opData()->size());
 
     StepIterator(&it, &reader);
 
     // Record this, so we can concat w/ it if we encounter a setMatrix()
     SkMatrix initialMatrix = canvas->getTotalMatrix();
 
     SkAutoCanvasRestore acr(canvas, false);
 
     while (!reader.eof()) {
-        if (NULL != callback && callback->abortDrawing()) {
+        if (callback && callback->abortDrawing()) {
             return;
         }
 
         fCurOffset = reader.offset();
         uint32_t size;
         DrawType op = ReadOpAndSize(&reader, &size);
         if (NOOP == op) {
             // NOOPs are to be ignored - do not propagate them any further
             SkipIterTo(&it, &reader, fCurOffset + size);
             continue;
@@ skipping 351 matching lines @@
         case TRANSLATE: {
             SkScalar dx = reader->readScalar();
             SkScalar dy = reader->readScalar();
             canvas->translate(dx, dy);
         } break;
         default:
             SkASSERT(0);
     }
 }