1 2 /* 3 * Copyright 2010 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 #include "GrRectanizer_pow2.h" 10 11 bool GrRectanizerPow2::addRect(int width, int height, SkIPoint16* loc) { 12 if ((unsigned)width > (unsigned)this->width() || 13 (unsigned)height > (unsigned)this->height()) { 14 return false; 15 } 16 17 int32_t area = width * height; // computed here since height will be modified 18 19 height = GrNextPow2(height); 20 if (height < kMIN_HEIGHT_POW2) { 21 height = kMIN_HEIGHT_POW2; 22 } 23 24 Row* row = &fRows[HeightToRowIndex(height)]; 25 SkASSERT(row->fRowHeight == 0 || row->fRowHeight == height); 26 27 if (0 == row->fRowHeight) { 28 if (!this->canAddStrip(height)) { 29 return false; 30 } 31 this->initRow(row, height); 32 } else { 33 if (!row->canAddWidth(width, this->width())) { 34 if (!this->canAddStrip(height)) { 35 return false; 36 } 37 // that row is now "full", so retarget our Row record for 38 // another one 39 this->initRow(row, height); 40 } 41 } 42 43 SkASSERT(row->fRowHeight == height); 44 SkASSERT(row->canAddWidth(width, this->width())); 45 *loc = row->fLoc; 46 row->fLoc.fX += width; 47 48 SkASSERT(row->fLoc.fX <= this->width()); 49 SkASSERT(row->fLoc.fY <= this->height()); 50 SkASSERT(fNextStripY <= this->height()); 51 fAreaSoFar += area; 52 return true; 53 } 54 55 /////////////////////////////////////////////////////////////////////////////// 56 57 // factory is now in GrRectanizer_skyline.cpp 58 //GrRectanizer* GrRectanizer::Factory(int width, int height) { 59 // return SkNEW_ARGS(GrRectanizerPow2, (width, height)); 60 //} 61
