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      1 
      2 /*
      3  * Copyright 2006 The Android Open Source Project
      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 
     10 #include "SkBoundable.h"
     11 #include "SkAnimateMaker.h"
     12 #include "SkCanvas.h"
     13 
     14 SkBoundable::SkBoundable() {
     15     clearBounds();
     16     fBounds.fTop = 0;
     17     fBounds.fRight = 0;
     18     fBounds.fBottom = 0;
     19 }
     20 
     21 void SkBoundable::clearBounder() {
     22     fBounds.fLeft = 0x7fff;
     23 }
     24 
     25 void SkBoundable::getBounds(SkRect* rect) {
     26     SkASSERT(rect);
     27     if (fBounds.fLeft == (int16_t)0x8000U) {
     28         INHERITED::getBounds(rect);
     29         return;
     30     }
     31     rect->fLeft = SkIntToScalar(fBounds.fLeft);
     32     rect->fTop = SkIntToScalar(fBounds.fTop);
     33     rect->fRight = SkIntToScalar(fBounds.fRight);
     34     rect->fBottom = SkIntToScalar(fBounds.fBottom);
     35 }
     36 
     37 void SkBoundable::enableBounder() {
     38     fBounds.fLeft = 0;
     39 }
     40 
     41 
     42 SkBoundableAuto::SkBoundableAuto(SkBoundable* boundable,
     43         SkAnimateMaker& maker) : fBoundable(boundable), fMaker(maker) {
     44     if (fBoundable->hasBounds()) {
     45         fMaker.fCanvas->setBounder(&maker.fDisplayList);
     46         fMaker.fDisplayList.fBounds.setEmpty();
     47     }
     48 }
     49 
     50 SkBoundableAuto::~SkBoundableAuto() {
     51     if (fBoundable->hasBounds() == false)
     52         return;
     53     fMaker.fCanvas->setBounder(NULL);
     54     fBoundable->setBounds(fMaker.fDisplayList.fBounds);
     55 }
     56 
     57