1 /* 2 * Copyright 2017 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 SkSGInvalidationController_DEFINED 9 #define SkSGInvalidationController_DEFINED 10 11 #include "include/core/SkMatrix.h" 12 #include "include/core/SkTypes.h" 13 14 #include <vector> 15 16 struct SkRect; 17 18 namespace sksg { 19 20 /** 21 * Receiver for invalidation events. 22 * 23 * Tracks dirty regions for repaint. 24 */ 25 class InvalidationController { 26 public: 27 InvalidationController(); 28 InvalidationController(const InvalidationController&) = delete; 29 InvalidationController& operator=(const InvalidationController&) = delete; 30 31 void inval(const SkRect&, const SkMatrix& ctm = SkMatrix::I()); 32 bounds()33 const SkRect& bounds() const { return fBounds; } 34 begin()35 auto begin() const { return fRects.cbegin(); } end()36 auto end() const { return fRects.cend(); } 37 38 void reset(); 39 40 private: 41 std::vector<SkRect> fRects; 42 SkRect fBounds; 43 }; 44 45 } // namespace sksg 46 47 #endif // SkSGInvalidationController_DEFINED 48