1 /* 2 * Copyright 2010 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 GrRectanizer_DEFINED 9 #define GrRectanizer_DEFINED 10 11 #include "include/gpu/GrTypes.h" 12 13 struct SkIPoint16; 14 15 class GrRectanizer { 16 public: GrRectanizer(int width,int height)17 GrRectanizer(int width, int height) : fWidth(width), fHeight(height) { 18 SkASSERT(width >= 0); 19 SkASSERT(height >= 0); 20 } 21 ~GrRectanizer()22 virtual ~GrRectanizer() {} 23 24 virtual void reset() = 0; 25 width()26 int width() const { return fWidth; } height()27 int height() const { return fHeight; } 28 29 // Attempt to add a rect. Return true on success; false on failure. If 30 // successful the position in the atlas is returned in 'loc'. 31 virtual bool addRect(int width, int height, SkIPoint16* loc) = 0; 32 virtual float percentFull() const = 0; 33 34 /** 35 * Our factory, which returns the subclass du jour 36 */ 37 static GrRectanizer* Factory(int width, int height); 38 39 private: 40 const int fWidth; 41 const int fHeight; 42 }; 43 44 #endif 45