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             : #include "GrRectanizer_pow2.h"
       9             : 
      10           0 : bool GrRectanizerPow2::addRect(int width, int height, SkIPoint16* loc) {
      11           0 :     if ((unsigned)width > (unsigned)this->width() ||
      12           0 :         (unsigned)height > (unsigned)this->height()) {
      13           0 :         return false;
      14             :     }
      15             : 
      16           0 :     int32_t area = width * height; // computed here since height will be modified
      17             : 
      18           0 :     height = GrNextPow2(height);
      19           0 :     if (height < kMIN_HEIGHT_POW2) {
      20           0 :         height = kMIN_HEIGHT_POW2;
      21             :     }
      22             : 
      23           0 :     Row* row = &fRows[HeightToRowIndex(height)];
      24           0 :     SkASSERT(row->fRowHeight == 0 || row->fRowHeight == height);
      25             : 
      26           0 :     if (0 == row->fRowHeight) {
      27           0 :         if (!this->canAddStrip(height)) {
      28           0 :             return false;
      29             :         }
      30           0 :         this->initRow(row, height);
      31             :     } else {
      32           0 :         if (!row->canAddWidth(width, this->width())) {
      33           0 :             if (!this->canAddStrip(height)) {
      34           0 :                 return false;
      35             :             }
      36             :             // that row is now "full", so retarget our Row record for
      37             :             // another one
      38           0 :             this->initRow(row, height);
      39             :         }
      40             :     }
      41             : 
      42           0 :     SkASSERT(row->fRowHeight == height);
      43           0 :     SkASSERT(row->canAddWidth(width, this->width()));
      44           0 :     *loc = row->fLoc;
      45           0 :     row->fLoc.fX += width;
      46             : 
      47           0 :     SkASSERT(row->fLoc.fX <= this->width());
      48           0 :     SkASSERT(row->fLoc.fY <= this->height());
      49           0 :     SkASSERT(fNextStripY <= this->height());
      50           0 :     fAreaSoFar += area;
      51           0 :     return true;
      52             : }
      53             : 
      54             : ///////////////////////////////////////////////////////////////////////////////
      55             : 
      56             : // factory is now in GrRectanizer_skyline.cpp
      57             : //GrRectanizer* GrRectanizer::Factory(int width, int height) {
      58             : //    return new GrRectanizerPow2  (width, height);
      59             : //}