bool WaveClip::ClearAndAddCutLine(double t0, double t1)
{
if (t0 > GetEndTime() || t1 < GetStartTime())
return true; // time out of bounds
WaveClip *newClip = new WaveClip(mSequence->GetDirManager(),
mSequence->GetSampleFormat(),
mRate);
double clip_t0 = t0;
double clip_t1 = t1;
if (clip_t0 < GetStartTime())
clip_t0 = GetStartTime();
if (clip_t1 > GetEndTime())
clip_t1 = GetEndTime();
if (!newClip->CreateFromCopy(clip_t0, clip_t1, this))
return false;
newClip->SetOffset(clip_t0-mOffset);
// Sort out cutlines that belong to the new cutline
WaveClipList::compatibility_iterator nextIt;
for (WaveClipList::compatibility_iterator it = mCutLines.GetFirst(); it; it=nextIt)
{
nextIt = it->GetNext();
WaveClip* clip = it->GetData();
double cutlinePosition = mOffset + clip->GetOffset();
if (cutlinePosition >= t0 && cutlinePosition <= t1)
{
clip->SetOffset(cutlinePosition - newClip->GetOffset() - mOffset);
newClip->mCutLines.Append(clip);
mCutLines.DeleteNode(it);
} else
if (cutlinePosition >= t1)
{
clip->Offset(clip_t0-clip_t1);
}
}
// Clear actual audio data
sampleCount s0, s1;
TimeToSamplesClip(t0, &s0);
TimeToSamplesClip(t1, &s1);
if (GetSequence()->Delete(s0, s1-s0))
{
// Collapse envelope
GetEnvelope()->CollapseRegion(t0, t1);
if (t0 < GetStartTime())
Offset(-(GetStartTime() - t0));
MarkChanged();
mCutLines.Append(newClip);
return true;
} else
{
delete newClip;
return false;
}
}
bool WaveTrack::Copy(double t0, double t1, Track **dest)
{
*dest = NULL;
if (t1 <= t0)
return false;
WaveTrack *newTrack = new WaveTrack(mDirManager);
newTrack->Init(*this);
WaveClipList::Node* it;
for (it=GetClipIterator(); it; it=it->GetNext())
{
WaveClip *clip = it->GetData();
if (t0 <= clip->GetStartTime() && t1 >= clip->GetEndTime())
{
// Whole clip is in copy region
//printf("copy: clip %i is in copy region\n", (int)clip);
WaveClip *newClip = new WaveClip(*clip, mDirManager);
newClip->RemoveAllCutLines();
newClip->Offset(-t0);
newTrack->mClips.Append(newClip);
} else
if (t1 > clip->GetStartTime() && t0 < clip->GetEndTime())
{
// Clip is affected by command
//printf("copy: clip %i is affected by command\n", (int)clip);
WaveClip *newClip = new WaveClip(*clip, mDirManager);
newClip->RemoveAllCutLines();
double clip_t0 = t0;
double clip_t1 = t1;
if (clip_t0 < clip->GetStartTime())
clip_t0 = clip->GetStartTime();
if (clip_t1 > clip->GetEndTime())
clip_t1 = clip->GetEndTime();
//printf("copy: clip_t0=%f, clip_t1=%f\n", clip_t0, clip_t1);
newClip->Offset(-t0);
if (newClip->GetOffset() < 0)
newClip->SetOffset(0);
//printf("copy: clip offset is now %f\n", newClip->GetOffset());
if (!newClip->CreateFromCopy(clip_t0, clip_t1, clip))
{
//printf("paste: CreateFromCopy(%f, %f, %i) returns false, quitting\n",
// clip_t0, clip_t1, (int)clip);
return false;
}
newTrack->mClips.Append(newClip);
}
}
*dest = newTrack;
return true;
}
