1 /* 2 * Copyright 2019 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkSGTransformPriv_DEFINED 9 #define SkSGTransformPriv_DEFINED 10 11 #include "SkSGTransform.h" 12 13 namespace sksg { 14 15 // Helper for accessing implementation-private Transform methods. 16 class TransformPriv final { 17 public: 18 19 static bool Is44(const sk_sp<Transform>&t) { return t->is44(); } 20 21 template <typename T, typename = std::enable_if<std::is_same<T, SkMatrix >::value || 22 std::is_same<T, SkMatrix44>::value >> 23 static T As(const sk_sp<Transform>&); 24 25 private: 26 TransformPriv() = delete; 27 }; 28 29 template <> 30 inline SkMatrix TransformPriv::As<SkMatrix>(const sk_sp<Transform>& t) { 31 return t->asMatrix(); 32 } 33 34 template <> 35 inline SkMatrix44 TransformPriv::As<SkMatrix44>(const sk_sp<Transform>& t) { 36 return t->asMatrix44(); 37 } 38 39 } // namespace sksg 40 41 #endif // SkSGTransformPriv_DEFINED 42
