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      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 "GrClipData.h"
      9 
     10 #include "GrSurface.h"
     11 #include "SkRect.h"
     12 
     13 ///////////////////////////////////////////////////////////////////////////////
     14 
     15 /**
     16  * getConservativeBounds returns the conservative bounding box of the clip
     17  * in device (as opposed to canvas) coordinates. If the bounding box is
     18  * the result of purely intersections of rects (with an initial replace)
     19  * isIntersectionOfRects will be set to true.
     20  */
     21 void GrClipData::getConservativeBounds(const GrSurface* surface,
     22                                        SkIRect* devResult,
     23                                        bool* isIntersectionOfRects) const {
     24     SkRect devBounds;
     25 
     26     fClipStack->getConservativeBounds(-fOrigin.fX,
     27                                       -fOrigin.fY,
     28                                       surface->width(),
     29                                       surface->height(),
     30                                       &devBounds,
     31                                       isIntersectionOfRects);
     32 
     33     devBounds.roundOut(devResult);
     34 }
     35