michael@0: /*
michael@0:  * Copyright 2010 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #include "GrClipData.h"
michael@0: 
michael@0: #include "GrSurface.h"
michael@0: #include "SkRect.h"
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: /**
michael@0:  * getConservativeBounds returns the conservative bounding box of the clip
michael@0:  * in device (as opposed to canvas) coordinates. If the bounding box is
michael@0:  * the result of purely intersections of rects (with an initial replace)
michael@0:  * isIntersectionOfRects will be set to true.
michael@0:  */
michael@0: void GrClipData::getConservativeBounds(const GrSurface* surface,
michael@0:                                        SkIRect* devResult,
michael@0:                                        bool* isIntersectionOfRects) const {
michael@0:     SkRect devBounds;
michael@0: 
michael@0:     fClipStack->getConservativeBounds(-fOrigin.fX,
michael@0:                                       -fOrigin.fY,
michael@0:                                       surface->width(),
michael@0:                                       surface->height(),
michael@0:                                       &devBounds,
michael@0:                                       isIntersectionOfRects);
michael@0: 
michael@0:     devBounds.roundOut(devResult);
michael@0: }