Remove SkImageGenerator pieces only for SkCodec.

src/core/SkImageGenerator.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 "SkImageGenerator.h"
 
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
 SkImageGenerator::Result SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels,
                                                      size_t rowBytes, const Options* options,
                                                      SkPMColor ctable[], int* ctableCount) {
+#else
+bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
+                                 SkPMColor ctable[], int* ctableCount) {
+#endif
     if (kUnknown_SkColorType == info.colorType()) {
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
         return kInvalidConversion;
+#else
+        return false;
+#endif
     }
     if (NULL == pixels) {
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
         return kInvalidParameters;
+#else
+        return false;
+#endif
     }
     if (rowBytes < info.minRowBytes()) {
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
         return kInvalidParameters;
+#else
+        return false;
+#endif
     }
 
     if (kIndex_8_SkColorType == info.colorType()) {
         if (NULL == ctable || NULL == ctableCount) {
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
             return kInvalidParameters;
+#else
+            return false;
+#endif
         }
     } else {
         if (ctableCount) {
             *ctableCount = 0;
         }
         ctableCount = NULL;
         ctable = NULL;
     }
 
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
     // Default options.
     Options optsStorage;
     if (NULL == options) {
         options = &optsStorage;
     }
     const Result result = this->onGetPixels(info, pixels, rowBytes, *options, ctable, ctableCount);
 
     if ((kIncompleteInput == result || kSuccess == result) && ctableCount) {
+#else
+    const bool result = this->onGetPixels(info, pixels, rowBytes, ctable, ctableCount);
+    if (result && ctableCount) {
+#endif
         SkASSERT(*ctableCount >= 0 && *ctableCount <= 256);
     }
     return result;
 }
 
-SkImageGenerator::Result SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels,
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
+SkImageGenerator::Result
+#else
+bool
+#endif
+SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels,
                                                      size_t rowBytes) {
     SkASSERT(kIndex_8_SkColorType != info.colorType());
     if (kIndex_8_SkColorType == info.colorType()) {
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
         return kInvalidConversion;
+#else
+        return false;
+#endif
     }
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
     return this->getPixels(info, pixels, rowBytes, NULL, NULL, NULL);
+#else
+    return this->getPixels(info, pixels, rowBytes, NULL, NULL);
+#endif
 }
 
 bool SkImageGenerator::getYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3],
                                      SkYUVColorSpace* colorSpace) {
 #ifdef SK_DEBUG
     // In all cases, we need the sizes array
     SkASSERT(sizes);
 
     bool isValidWithPlanes = (planes) && (rowBytes) &&
         ((planes[0]) && (planes[1]) && (planes[2]) &&
@@ skipping 40 matching lines @@
     }
     return this->onGetYUV8Planes(sizes, planes, rowBytes);
 }
 
 /////////////////////////////////////////////////////////////////////////////////////////////
 
 SkData* SkImageGenerator::onRefEncodedData() {
     return NULL;
 }
 
+#ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS
 SkImageGenerator::Result SkImageGenerator::onGetPixels(const SkImageInfo& info, void* dst,
                                                        size_t rb, const Options& options,
                                                        SkPMColor* colors, int* colorCount) {
     return kUnimplemented;
 }
+#else
+bool SkImageGenerator::onGetPixels(const SkImageInfo& info, void* dst, size_t rb,
+                                   SkPMColor* colors, int* colorCount) {
+    return false;
+}
+#endif