Style Change: NULL->nullptr

src/core/SkWriteBuffer.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkWriteBuffer.h"
 #include "SkBitmap.h"
 #include "SkBitmapHeap.h"
 #include "SkData.h"
 #include "SkPixelRef.h"
 #include "SkPtrRecorder.h"
 #include "SkStream.h"
 #include "SkTypeface.h"
 
 SkWriteBuffer::SkWriteBuffer(uint32_t flags)
     : fFlags(flags)
-    , fFactorySet(NULL)
-    , fNamedFactorySet(NULL)
-    , fBitmapHeap(NULL)
-    , fTFSet(NULL) {
+    , fFactorySet(nullptr)
+    , fNamedFactorySet(nullptr)
+    , fBitmapHeap(nullptr)
+    , fTFSet(nullptr) {
 }
 
 SkWriteBuffer::SkWriteBuffer(void* storage, size_t storageSize, uint32_t flags)
     : fFlags(flags)
-    , fFactorySet(NULL)
-    , fNamedFactorySet(NULL)
+    , fFactorySet(nullptr)
+    , fNamedFactorySet(nullptr)
     , fWriter(storage, storageSize)
-    , fBitmapHeap(NULL)
-    , fTFSet(NULL) {
+    , fBitmapHeap(nullptr)
+    , fTFSet(nullptr) {
 }
 
 SkWriteBuffer::~SkWriteBuffer() {
     SkSafeUnref(fFactorySet);
     SkSafeUnref(fNamedFactorySet);
     SkSafeUnref(fBitmapHeap);
     SkSafeUnref(fTFSet);
 }
 
 void SkWriteBuffer::writeByteArray(const void* data, size_t size) {
@@ skipping 115 matching lines @@
 
     // Record information about the bitmap in one of three ways, in order of priority:
     // 1. If there is an SkBitmapHeap, store it in the heap. The client can avoid serializing the
     //    bitmap entirely or serialize it later as desired. A boolean value of true will be written
     //    to the stream to signify that a heap was used.
     // 2. If there is a function for encoding bitmaps, use it to write an encoded version of the
     //    bitmap. After writing a boolean value of false, signifying that a heap was not used, write
     //    the size of the encoded data. A non-zero size signifies that encoded data was written.
     // 3. Call SkBitmap::flatten. After writing a boolean value of false, signifying that a heap was
     //    not used, write a zero to signify that the data was not encoded.
-    bool useBitmapHeap = fBitmapHeap != NULL;
+    bool useBitmapHeap = fBitmapHeap != nullptr;
     // Write a bool: true if the SkBitmapHeap is to be used, in which case the reader must use an
     // SkBitmapHeapReader to read the SkBitmap. False if the bitmap was serialized another way.
     this->writeBool(useBitmapHeap);
     if (useBitmapHeap) {
-        SkASSERT(NULL == fPixelSerializer);
+        SkASSERT(nullptr == fPixelSerializer);
         int32_t slot = fBitmapHeap->insert(bitmap);
         fWriter.write32(slot);
         // crbug.com/155875
         // The generation ID is not required information. We write it to prevent collisions
         // in SkFlatDictionary.  It is possible to get a collision when a previously
         // unflattened (i.e. stale) instance of a similar flattenable is in the dictionary
         // and the instance currently being written is re-using the same slot from the
         // bitmap heap.
         fWriter.write32(bitmap.getGenerationID());
         return;
     }
 
     SkPixelRef* pixelRef = bitmap.pixelRef();
     if (pixelRef) {
         // see if the pixelref already has an encoded version
         SkAutoDataUnref existingData(pixelRef->refEncodedData());
-        if (existingData.get() != NULL) {
+        if (existingData.get() != nullptr) {
             // Assumes that if the client did not set a serializer, they are
             // happy to get the encoded data.
             if (!fPixelSerializer || fPixelSerializer->useEncodedData(existingData->data(),
                                                                       existingData->size())) {
                 write_encoded_bitmap(this, existingData, bitmap.pixelRefOrigin());
                 return;
             }
         }
 
         // see if the caller wants to manually encode
         SkAutoPixmapUnlock result;
         if (fPixelSerializer && bitmap.requestLock(&result)) {
             const SkPixmap& pmap = result.pixmap();
-            SkASSERT(NULL == fBitmapHeap);
+            SkASSERT(nullptr == fBitmapHeap);
             SkAutoDataUnref data(fPixelSerializer->encodePixels(pmap.info(),
                                                                 pmap.addr(),
                                                                 pmap.rowBytes()));
-            if (data.get() != NULL) {
+            if (data.get() != nullptr) {
                 // if we have to "encode" the bitmap, then we assume there is no
                 // offset to share, since we are effectively creating a new pixelref
                 write_encoded_bitmap(this, data, SkIPoint::Make(0, 0));
                 return;
             }
         }
     }
 
     this->writeUInt(0); // signal raw pixels
     SkBitmap::WriteRawPixels(this, bitmap);
@@ skipping 21 matching lines @@
 
     encoded.reset(image->encode(SkImageEncoder::kPNG_Type, 100));
     if (encoded && try_write_encoded(this, encoded)) {
         return;
     }
     
     this->writeUInt(0); // signal no pixels (in place of the size of the encoded data)
 }
 
 void SkWriteBuffer::writeTypeface(SkTypeface* obj) {
-    if (NULL == obj || NULL == fTFSet) {
+    if (nullptr == obj || nullptr == fTFSet) {
         fWriter.write32(0);
     } else {
         fWriter.write32(fTFSet->add(obj));
     }
 }
 
 SkFactorySet* SkWriteBuffer::setFactoryRecorder(SkFactorySet* rec) {
     SkRefCnt_SafeAssign(fFactorySet, rec);
-    if (fNamedFactorySet != NULL) {
+    if (fNamedFactorySet != nullptr) {
         fNamedFactorySet->unref();
-        fNamedFactorySet = NULL;
+        fNamedFactorySet = nullptr;
     }
     return rec;
 }
 
 SkNamedFactorySet* SkWriteBuffer::setNamedFactoryRecorder(SkNamedFactorySet* rec) {
     SkRefCnt_SafeAssign(fNamedFactorySet, rec);
-    if (fFactorySet != NULL) {
+    if (fFactorySet != nullptr) {
         fFactorySet->unref();
-        fFactorySet = NULL;
+        fFactorySet = nullptr;
     }
     return rec;
 }
 
 SkRefCntSet* SkWriteBuffer::setTypefaceRecorder(SkRefCntSet* rec) {
     SkRefCnt_SafeAssign(fTFSet, rec);
     return rec;
 }
 
 void SkWriteBuffer::setBitmapHeap(SkBitmapHeap* bitmapHeap) {
     SkRefCnt_SafeAssign(fBitmapHeap, bitmapHeap);
-    if (bitmapHeap != NULL) {
-        SkASSERT(NULL == fPixelSerializer);
-        fPixelSerializer.reset(NULL);
+    if (bitmapHeap != nullptr) {
+        SkASSERT(nullptr == fPixelSerializer);
+        fPixelSerializer.reset(nullptr);
     }
 }
 
 void SkWriteBuffer::setPixelSerializer(SkPixelSerializer* serializer) {
     fPixelSerializer.reset(serializer);
     if (serializer) {
         serializer->ref();
-        SkASSERT(NULL == fBitmapHeap);
+        SkASSERT(nullptr == fBitmapHeap);
         SkSafeUnref(fBitmapHeap);
-        fBitmapHeap = NULL;
+        fBitmapHeap = nullptr;
     }
 }
 
 void SkWriteBuffer::writeFlattenable(const SkFlattenable* flattenable) {
     /*
      *  If we have a factoryset, then the first 32bits tell us...
      *       0: failure to write the flattenable
      *      >0: (1-based) index into the SkFactorySet or SkNamedFactorySet
      *  If we don't have a factoryset, then the first "ptr" is either the
      *  factory, or null for failure.
      *
      *  The distinction is important, since 0-index is 32bits (always), but a
      *  0-functionptr might be 32 or 64 bits.
      */
-    if (NULL == flattenable) {
+    if (nullptr == flattenable) {
         if (this->isValidating()) {
             this->writeString("");
-        } else if (fFactorySet != NULL || fNamedFactorySet != NULL) {
+        } else if (fFactorySet != nullptr || fNamedFactorySet != nullptr) {
             this->write32(0);
         } else {
-            this->writeFunctionPtr(NULL);
+            this->writeFunctionPtr(nullptr);
         }
         return;
     }
 
     SkFlattenable::Factory factory = flattenable->getFactory();
-    SkASSERT(factory != NULL);
+    SkASSERT(factory != nullptr);
 
     /*
      *  We can write 1 of 3 versions of the flattenable:
      *  1.  function-ptr : this is the fastest for the reader, but assumes that
      *      the writer and reader are in the same process.
      *  2.  index into fFactorySet : This is assumes the writer will later
      *      resolve the function-ptrs into strings for its reader. SkPicture
      *      does exactly this, by writing a table of names (matching the indices)
      *      up front in its serialized form.
      *  3.  index into fNamedFactorySet. fNamedFactorySet will also store the
@@ skipping 17 matching lines @@
     // make room for the size of the flattened object
     (void)fWriter.reserve(sizeof(uint32_t));
     // record the current size, so we can subtract after the object writes.
     size_t offset = fWriter.bytesWritten();
     // now flatten the object
     flattenable->flatten(*this);
     size_t objSize = fWriter.bytesWritten() - offset;
     // record the obj's size
     fWriter.overwriteTAt(offset - sizeof(uint32_t), SkToU32(objSize));
 }