Expose more gamma info for UMA statistics

src/core/SkColorSpace.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkColorSpace.h"
 #include "SkColorSpace_Base.h"
 #include "SkColorSpacePriv.h"
@@ skipping 286 matching lines @@
 
     uint32_t profileSize = *((uint32_t*) data);
     data = SkTAddOffset<const void>(data, sizeof(uint32_t));
     length -= sizeof(uint32_t);
     if (length < profileSize) {
         return nullptr;
     }
 
     return NewICC(data, profileSize);
 }
+
+bool SkColorSpace::gammasAreMatching() const {
+    const SkGammas* gammas = as_CSB(this)->gammas();
+    SkASSERT(gammas);
+    return gammas->fRedData == gammas->fGreenData && gammas->fGreenData == gammas->fBlueData;
+}
+
+bool SkColorSpace::gammasAreNamed() const {
+    const SkGammas* gammas = as_CSB(this)->gammas();
+    SkASSERT(gammas);
+    return gammas->fRedType == SkGammas::Type::kNamed_Type &&
+           gammas->fGreenType == SkGammas::Type::kNamed_Type &&
+           gammas->fBlueType == SkGammas::Type::kNamed_Type;
+}
+
+bool SkColorSpace::gammasAreValues() const {
+    const SkGammas* gammas = as_CSB(this)->gammas();
+    SkASSERT(gammas);
+    return gammas->fRedType == SkGammas::Type::kValue_Type &&
+           gammas->fGreenType == SkGammas::Type::kValue_Type &&
+           gammas->fBlueType == SkGammas::Type::kValue_Type;
+}
+
+bool SkColorSpace::gammasAreTables() const {
+    const SkGammas* gammas = as_CSB(this)->gammas();
+    SkASSERT(gammas);
+    return gammas->fRedType == SkGammas::Type::kTable_Type &&
+           gammas->fGreenType == SkGammas::Type::kTable_Type &&
+           gammas->fBlueType == SkGammas::Type::kTable_Type;
+}
+
+bool SkColorSpace::gammasAreParams() const {
+    const SkGammas* gammas = as_CSB(this)->gammas();
+    SkASSERT(gammas);
+    return gammas->fRedType == SkGammas::Type::kParam_Type &&
+           gammas->fGreenType == SkGammas::Type::kParam_Type &&
+           gammas->fBlueType == SkGammas::Type::kParam_Type;
+}