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- /*
- * 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 "src/gpu/GrRectanizer_pow2.h"
- bool GrRectanizerPow2::addRect(int width, int height, SkIPoint16* loc) {
- if ((unsigned)width > (unsigned)this->width() ||
- (unsigned)height > (unsigned)this->height()) {
- return false;
- }
- int32_t area = width * height; // computed here since height will be modified
- height = GrNextPow2(height);
- if (height < kMIN_HEIGHT_POW2) {
- height = kMIN_HEIGHT_POW2;
- }
- Row* row = &fRows[HeightToRowIndex(height)];
- SkASSERT(row->fRowHeight == 0 || row->fRowHeight == height);
- if (0 == row->fRowHeight) {
- if (!this->canAddStrip(height)) {
- return false;
- }
- this->initRow(row, height);
- } else {
- if (!row->canAddWidth(width, this->width())) {
- if (!this->canAddStrip(height)) {
- return false;
- }
- // that row is now "full", so retarget our Row record for
- // another one
- this->initRow(row, height);
- }
- }
- SkASSERT(row->fRowHeight == height);
- SkASSERT(row->canAddWidth(width, this->width()));
- *loc = row->fLoc;
- row->fLoc.fX += width;
- SkASSERT(row->fLoc.fX <= this->width());
- SkASSERT(row->fLoc.fY <= this->height());
- SkASSERT(fNextStripY <= this->height());
- fAreaSoFar += area;
- return true;
- }
- ///////////////////////////////////////////////////////////////////////////////
- // factory is now in GrRectanizer_skyline.cpp
- //GrRectanizer* GrRectanizer::Factory(int width, int height) {
- // return new GrRectanizerPow2 (width, height);
- //}
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