michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
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: 
michael@0: #include "SkBoundable.h"
michael@0: #include "SkAnimateMaker.h"
michael@0: #include "SkCanvas.h"
michael@0: 
michael@0: SkBoundable::SkBoundable() {
michael@0:     clearBounds();
michael@0:     fBounds.fTop = 0;
michael@0:     fBounds.fRight = 0;
michael@0:     fBounds.fBottom = 0;
michael@0: }
michael@0: 
michael@0: void SkBoundable::clearBounder() {
michael@0:     fBounds.fLeft = 0x7fff;
michael@0: }
michael@0: 
michael@0: void SkBoundable::getBounds(SkRect* rect) {
michael@0:     SkASSERT(rect);
michael@0:     if (fBounds.fLeft == (int16_t)0x8000U) {
michael@0:         INHERITED::getBounds(rect);
michael@0:         return;
michael@0:     }
michael@0:     rect->fLeft = SkIntToScalar(fBounds.fLeft);
michael@0:     rect->fTop = SkIntToScalar(fBounds.fTop);
michael@0:     rect->fRight = SkIntToScalar(fBounds.fRight);
michael@0:     rect->fBottom = SkIntToScalar(fBounds.fBottom);
michael@0: }
michael@0: 
michael@0: void SkBoundable::enableBounder() {
michael@0:     fBounds.fLeft = 0;
michael@0: }
michael@0: 
michael@0: 
michael@0: SkBoundableAuto::SkBoundableAuto(SkBoundable* boundable,
michael@0:         SkAnimateMaker& maker) : fBoundable(boundable), fMaker(maker) {
michael@0:     if (fBoundable->hasBounds()) {
michael@0:         fMaker.fCanvas->setBounder(&maker.fDisplayList);
michael@0:         fMaker.fDisplayList.fBounds.setEmpty();
michael@0:     }
michael@0: }
michael@0: 
michael@0: SkBoundableAuto::~SkBoundableAuto() {
michael@0:     if (fBoundable->hasBounds() == false)
michael@0:         return;
michael@0:     fMaker.fCanvas->setBounder(NULL);
michael@0:     fBoundable->setBounds(fMaker.fDisplayList.fBounds);
michael@0: }