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