Style Change: NULL->nullptr

src/images/SkDecodingImageGenerator.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkData.h"
 #include "SkDecodingImageGenerator.h"
 #include "SkImageDecoder.h"
@@ skipping 43 matching lines @@
 class TargetAllocator : public SkBitmap::Allocator {
 public:
     TargetAllocator(const SkImageInfo& info,
                     void* target,
                     size_t rowBytes)
         : fInfo(info)
         , fTarget(target)
         , fRowBytes(rowBytes)
     {}
 
-    bool isReady() { return (fTarget != NULL); }
+    bool isReady() { return (fTarget != nullptr); }
 
     virtual bool allocPixelRef(SkBitmap* bm, SkColorTable* ct) {
-        if (NULL == fTarget || !equal_modulo_alpha(fInfo, bm->info())) {
+        if (nullptr == fTarget || !equal_modulo_alpha(fInfo, bm->info())) {
             // Call default allocator.
-            return bm->tryAllocPixels(NULL, ct);
+            return bm->tryAllocPixels(nullptr, ct);
         }
 
         // TODO(halcanary): verify that all callers of this function
         // will respect new RowBytes.  Will be moot once rowbytes belongs
         // to PixelRef.
-        bm->installPixels(fInfo, fTarget, fRowBytes, ct, NULL, NULL);
+        bm->installPixels(fInfo, fTarget, fRowBytes, ct, nullptr, nullptr);
 
-        fTarget = NULL;  // never alloc same pixels twice!
+        fTarget = nullptr;  // never alloc same pixels twice!
         return true;
     }
 
 private:
     const SkImageInfo fInfo;
     void* fTarget;  // Block of memory to be supplied as pixel memory
                     // in allocPixelRef.  Must be large enough to hold
                     // a bitmap described by fInfo and fRowBytes
     const size_t fRowBytes;  // rowbytes for the destination bitmap
 
@@ skipping 23 matching lines @@
         const SkImageInfo& info,
         int sampleSize,
         bool ditherImage)
     : INHERITED(info)
     , fData(data)
     , fStream(stream)
     , fInfo(info)
     , fSampleSize(sampleSize)
     , fDitherImage(ditherImage)
 {
-    SkASSERT(stream != NULL);
-    SkSafeRef(fData);  // may be NULL.
+    SkASSERT(stream != nullptr);
+    SkSafeRef(fData);  // may be nullptr.
 }
 
 DecodingImageGenerator::~DecodingImageGenerator() {
     SkSafeUnref(fData);
 }
 
 SkData* DecodingImageGenerator::onRefEncodedData() {
     // This functionality is used in `gm --serialize`
     // Does not encode options.
-    if (NULL == fData) {
+    if (nullptr == fData) {
         // TODO(halcanary): SkStreamRewindable needs a refData() function
         // which returns a cheap copy of the underlying data.
         if (!fStream->rewind()) {
-            return NULL;
+            return nullptr;
         }
         size_t length = fStream->getLength();
         if (length) {
             fData = SkData::NewFromStream(fStream, length);
         }
     }
     return SkSafeRef(fData);
 }
 
 bool DecodingImageGenerator::onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
                                          SkPMColor ctableEntries[], int* ctableCount) {
     if (fInfo != info) {
         // The caller has specified a different info.  This is an
         // error for this kind of SkImageGenerator.  Use the Options
         // to change the settings.
         return false;
     }
 
     SkAssertResult(fStream->rewind());
     SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(fStream));
-    if (NULL == decoder.get()) {
+    if (nullptr == decoder.get()) {
         return false;
     }
     decoder->setDitherImage(fDitherImage);
     decoder->setSampleSize(fSampleSize);
     decoder->setRequireUnpremultipliedColors(info.alphaType() == kUnpremul_SkAlphaType);
 
     SkBitmap bitmap;
     TargetAllocator allocator(fInfo, pixels, rowBytes);
     decoder->setAllocator(&allocator);
     const SkImageDecoder::Result decodeResult = decoder->decode(fStream, &bitmap, info.colorType(),
                                                                 SkImageDecoder::kDecodePixels_Mode);
-    decoder->setAllocator(NULL);
+    decoder->setAllocator(nullptr);
     if (SkImageDecoder::kFailure == decodeResult) {
         return false;
     }
     if (allocator.isReady()) {  // Did not use pixels!
         SkBitmap bm;
         SkASSERT(bitmap.canCopyTo(info.colorType()));
         bool copySuccess = bitmap.copyTo(&bm, info.colorType(), &allocator);
         if (!copySuccess || allocator.isReady()) {
             SkDEBUGFAIL("bitmap.copyTo(requestedConfig) failed.");
             // Earlier we checked canCopyto(); we expect consistency.
             return false;
         }
         SkASSERT(check_alpha(info.alphaType(), bm.alphaType()));
     } else {
         SkASSERT(check_alpha(info.alphaType(), bitmap.alphaType()));
     }
 
     if (kIndex_8_SkColorType == info.colorType()) {
         if (kIndex_8_SkColorType != bitmap.colorType()) {
             // they asked for Index8, but we didn't receive that from decoder
             return false;
         }
         SkColorTable* ctable = bitmap.getColorTable();
-        if (NULL == ctable) {
+        if (nullptr == ctable) {
             return false;
         }
         const int count = ctable->count();
         memcpy(ctableEntries, ctable->readColors(), count * sizeof(SkPMColor));
         *ctableCount = count;
     }
     return true;
 }
 
 bool DecodingImageGenerator::onGetYUV8Planes(SkISize sizes[3], void* planes[3],
                                              size_t rowBytes[3], SkYUVColorSpace* colorSpace) {
     if (!fStream->rewind()) {
         return false;
     }
 
     SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(fStream));
-    if (NULL == decoder.get()) {
+    if (nullptr == decoder.get()) {
         return false;
     }
 
     return decoder->decodeYUV8Planes(fStream, sizes, planes, rowBytes, colorSpace);
 }
 
-// A contructor-type function that returns NULL on failure.  This
+// A contructor-type function that returns nullptr on failure.  This
 // prevents the returned SkImageGenerator from ever being in a bad
 // state.  Called by both Create() functions
 SkImageGenerator* CreateDecodingImageGenerator(
         SkData* data,
         SkStreamRewindable* stream,
         const SkDecodingImageGenerator::Options& opts) {
     SkASSERT(stream);
     SkAutoTDelete<SkStreamRewindable> autoStream(stream);  // always delete this
     SkAssertResult(autoStream->rewind());
     SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(autoStream));
-    if (NULL == decoder.get()) {
-        return NULL;
+    if (nullptr == decoder.get()) {
+        return nullptr;
     }
     SkBitmap bitmap;
     decoder->setSampleSize(opts.fSampleSize);
     decoder->setRequireUnpremultipliedColors(opts.fRequireUnpremul);
     if (!decoder->decode(stream, &bitmap, SkImageDecoder::kDecodeBounds_Mode)) {
-        return NULL;
+        return nullptr;
     }
     if (kUnknown_SkColorType == bitmap.colorType()) {
-        return NULL;
+        return nullptr;
     }
 
     SkImageInfo info = bitmap.info();
 
     if (opts.fUseRequestedColorType && (opts.fRequestedColorType != info.colorType())) {
         if (!bitmap.canCopyTo(opts.fRequestedColorType)) {
             SkASSERT(bitmap.colorType() != opts.fRequestedColorType);
-            return NULL;  // Can not translate to needed config.
+            return nullptr;  // Can not translate to needed config.
         }
         info = info.makeColorType(opts.fRequestedColorType);
     }
 
     if (opts.fRequireUnpremul && info.alphaType() != kOpaque_SkAlphaType) {
         info = info.makeAlphaType(kUnpremul_SkAlphaType);
     }
 
     SkAlphaType newAlphaType = info.alphaType();
     if (!SkColorTypeValidateAlphaType(info.colorType(), info.alphaType(), &newAlphaType)) {
-        return NULL;
+        return nullptr;
     }
 
     return new DecodingImageGenerator(data, autoStream.detach(), info.makeAlphaType(newAlphaType),
                                       opts.fSampleSize, opts.fDitherImage);
 }
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 
 SkImageGenerator* SkDecodingImageGenerator::Create(
         SkData* data,
         const SkDecodingImageGenerator::Options& opts) {
-    SkASSERT(data != NULL);
-    if (NULL == data) {
-        return NULL;
+    SkASSERT(data != nullptr);
+    if (nullptr == data) {
+        return nullptr;
     }
     SkStreamRewindable* stream = new SkMemoryStream(data);
-    SkASSERT(stream != NULL);
+    SkASSERT(stream != nullptr);
     return CreateDecodingImageGenerator(data, stream, opts);
 }
 
 SkImageGenerator* SkDecodingImageGenerator::Create(
         SkStreamRewindable* stream,
         const SkDecodingImageGenerator::Options& opts) {
-    SkASSERT(stream != NULL);
-    if (stream == NULL) {
-        return NULL;
+    SkASSERT(stream != nullptr);
+    if (stream == nullptr) {
+        return nullptr;
     }
-    return CreateDecodingImageGenerator(NULL, stream, opts);
+    return CreateDecodingImageGenerator(nullptr, stream, opts);
 }