Line data    Source code

       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 "GrTypes.h"
      12             : 
      13             : struct SkIPoint16;
      14             : 
      15             : class GrRectanizer {
      16             : public:
      17           0 :     GrRectanizer(int width, int height) : fWidth(width), fHeight(height) {
      18           0 :         SkASSERT(width >= 0);
      19           0 :         SkASSERT(height >= 0);
      20           0 :     }
      21             : 
      22           0 :     virtual ~GrRectanizer() {}
      23             : 
      24             :     virtual void reset() = 0;
      25             : 
      26           0 :     int width() const { return fWidth; }
      27           0 :     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             :     int fWidth;
      41             :     int fHeight;
      42             : };
      43             : 
      44             : #endif