1 /* 2 * Copyright 2020 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 SkVerticesPriv_DEFINED 9 #define SkVerticesPriv_DEFINED 10 11 #include "include/core/SkVertices.h" 12 13 #include "include/private/base/SkTo.h" 14 15 class SkReadBuffer; 16 class SkWriteBuffer; 17 18 struct SkVertices_DeprecatedBone { float values[6]; }; 19 20 /** Class that adds methods to SkVertices that are only intended for use internal to Skia. 21 This class is purely a privileged window into SkVertices. It should never have additional 22 data members or virtual methods. */ 23 class SkVerticesPriv { 24 public: mode()25 SkVertices::VertexMode mode() const { return fVertices->fMode; } 26 hasColors()27 bool hasColors() const { return SkToBool(fVertices->fColors); } hasTexCoords()28 bool hasTexCoords() const { return SkToBool(fVertices->fTexs); } hasIndices()29 bool hasIndices() const { return SkToBool(fVertices->fIndices); } 30 vertexCount()31 int vertexCount() const { return fVertices->fVertexCount; } indexCount()32 int indexCount() const { return fVertices->fIndexCount; } 33 positions()34 const SkPoint* positions() const { return fVertices->fPositions; } texCoords()35 const SkPoint* texCoords() const { return fVertices->fTexs; } colors()36 const SkColor* colors() const { return fVertices->fColors; } indices()37 const uint16_t* indices() const { return fVertices->fIndices; } 38 39 // Never called due to RVO in priv(), but must exist for MSVC 2017. 40 SkVerticesPriv(const SkVerticesPriv&) = default; 41 42 void encode(SkWriteBuffer&) const; 43 static sk_sp<SkVertices> Decode(SkReadBuffer&); 44 45 private: SkVerticesPriv(SkVertices * vertices)46 explicit SkVerticesPriv(SkVertices* vertices) : fVertices(vertices) {} 47 SkVerticesPriv& operator=(const SkVerticesPriv&) = delete; 48 49 // No taking addresses of this type 50 const SkVerticesPriv* operator&() const = delete; 51 SkVerticesPriv* operator&() = delete; 52 53 SkVertices* fVertices; 54 55 friend class SkVertices; // to construct this type 56 }; 57 priv()58inline SkVerticesPriv SkVertices::priv() { return SkVerticesPriv(this); } 59 priv()60inline const SkVerticesPriv SkVertices::priv() const { // NOLINT(readability-const-return-type) 61 return SkVerticesPriv(const_cast<SkVertices*>(this)); 62 } 63 64 #endif 65