GrAtlas cleanup: Split out GrPlot and GrAtlas

src/gpu/GrRectanizer.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
 #include "GrRectanizer.h"
 #include "GrTBSearch.h"
 
 #define MIN_HEIGHT_POW2     2
 
 class GrRectanizerPow2 : public GrRectanizer {
 public:
     GrRectanizerPow2(int w, int h) : GrRectanizer(w, h) {
         fNextStripY = 0;
         fAreaSoFar = 0;
         sk_bzero(fRows, sizeof(fRows));
     }
 
     virtual ~GrRectanizerPow2() {
     }
 
+    virtual void reset() {
+        fNextStripY = 0;
+        fAreaSoFar = 0;
+        sk_bzero(fRows, sizeof(fRows));        
+    }
+
     virtual bool addRect(int w, int h, GrIPoint16* loc);
 
     virtual float percentFull() const {
         return fAreaSoFar / ((float)this->width() * this->height());
     }
 
     virtual int stripToPurge(int height) const { return -1; }
     virtual void purgeStripAtY(int yCoord) { }
 
     ///////////////////////////////////////////////////////////////////////////
@@ skipping 75 matching lines @@
     SkASSERT(fNextStripY <= this->height());
     fAreaSoFar += area;
     return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GrRectanizer* GrRectanizer::Factory(int width, int height) {
     return SkNEW_ARGS(GrRectanizerPow2, (width, height));
 }