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animationstate.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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19 
27 #include <comphelper/lok.hxx>
28 
29 
30 namespace sdr
31 {
32  namespace animation
33  {
34  double PrimitiveAnimation::getSmallestNextTime(double fCurrentTime)
35  {
36  double fRetval(0.0);
37 
38  if(!maAnimatedPrimitives.empty())
39  {
40  const sal_Int32 nCount(maAnimatedPrimitives.size());
41 
42  for(sal_Int32 a(0); a < nCount; a++)
43  {
46  OSL_ENSURE(pCandidate, "PrimitiveAnimation::getSmallestNextTime: wrong primitive in animated list (!)");
47 
48  if(pCandidate)
49  {
50  const drawinglayer::animation::AnimationEntry& rAnimEntry = pCandidate->getAnimationEntry();
51  const double fNextTime(rAnimEntry.getNextEventTime(fCurrentTime));
52 
53  if(!::basegfx::fTools::equalZero(fNextTime))
54  {
55  if(::basegfx::fTools::equalZero(fRetval))
56  {
57  fRetval = fNextTime;
58  }
59  else if(::basegfx::fTools::less(fNextTime, fRetval))
60  {
61  fRetval = fNextTime;
62  }
63  }
64  }
65  }
66  }
67 
68  return fRetval;
69  }
70 
72  {
73  const double fCurrentTime(mrVOContact.GetObjectContact().getPrimitiveAnimator().GetTime());
74  const double fNextTime(getSmallestNextTime(fCurrentTime));
75 
76  // getSmallestNextTime will be zero when animation ended. If not zero, a next step
77  // exists
78  if(!::basegfx::fTools::equalZero(fNextTime))
79  {
80  // next time point exists, use it
81  sal_uInt32 nNextTime;
82 
83  if(fNextTime >= double(0xffffff00))
84  {
85  // take care for very late points in time, e.g. when a text animation stops
86  // in a defined AnimationEntryFixed with endless (0xffffffff) duration
87  nNextTime = GetTime() + (1000 * 60 * 60); // one hour, works with vcl timers, 0xffffff00 was too much...
88  }
89  else
90  {
91  nNextTime = static_cast<sal_uInt32>(fNextTime);
92  }
93 
94  // ensure step forward in integer timing, the floating step difference maybe smaller than 1.0. Use
95  // at least 25ms for next step
96  const sal_uInt32 nMinimumStepTime(static_cast<sal_uInt32>(fCurrentTime) + 25);
97 
98  if(nNextTime <= nMinimumStepTime)
99  {
100  nNextTime = nMinimumStepTime;
101  }
102 
103  // set time and reactivate by re-adding to the scheduler
104  SetTime(nNextTime);
106  }
107  }
108 
110  : Event(),
111  mrVOContact(rVOContact),
112  maAnimatedPrimitives(rAnimatedPrimitives)
113  {
115  // setup initially
117  }
118 
120  {
121  // ensure that Event member is removed from PrimitiveAnimator
123  }
124 
125  // execute event, from base class Event
126  void PrimitiveAnimation::Trigger(sal_uInt32 /*nTime*/)
127  {
128  // schedule a repaint of associated object
130 
132  // re-setup
134  }
135  } // end of namespace animation
136 } // end of namespace sdr
137 
138 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
SAL_DLLPRIVATE void RemoveEvent(Event *pOld)
Definition: scheduler.cxx:153
void InsertEvent(Event &rNew)
Definition: scheduler.cxx:144
int nCount
sdr::animation::primitiveAnimator & getPrimitiveAnimator()
static bool less(const double &rfValA, const double &rfValB)
ObjectContact & GetObjectContact() const
uno_Any a
virtual void Trigger(sal_uInt32 nTime) override
void SetTime(sal_uInt32 nNew)
Definition: scheduler.cxx:41
static bool equalZero(const double &rfVal)
SAL_DLLPRIVATE sal_uInt32 GetTime() const
Definition: scheduler.hxx:76
const animation::AnimationEntry & getAnimationEntry() const
SAL_DLLPRIVATE sal_uInt32 GetTime() const
Definition: scheduler.hxx:45
drawinglayer::primitive2d::Primitive2DContainer maAnimatedPrimitives
css::uno::Reference< css::graphic::XPrimitive2D > Primitive2DReference
virtual double getNextEventTime(double fTime) const =0
sdr::contact::ViewObjectContact & mrVOContact
PrimitiveAnimation(sdr::contact::ViewObjectContact &rVOContact, const drawinglayer::primitive2d::Primitive2DContainer &rAnimatedPrimitives)
double getSmallestNextTime(double fCurrentTime)