本文整理汇总了C++中TrackList::GetMaxLen方法的典型用法代码示例。如果您正苦于以下问题：C++ TrackList::GetMaxLen方法的具体用法？C++ TrackList::GetMaxLen怎么用？C++ TrackList::GetMaxLen使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TrackList的用法示例。
在下文中一共展示了TrackList::GetMaxLen方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SelectAll
void AudioView::SelectAll()
{
TrackList *tracks = GetTracks();
VTrack *t = tracks->First();
while(t) {
t->selected = true;
t = tracks->Next();
}
sel0 = 0.0;
sel1 = tracks->GetMaxLen();
REDRAW(trackPanel);
REDRAW(rulerPanel);
UpdateMenus();
}示例2: OnPlay
void APalette::OnPlay()
{
if (gAudioIO->IsBusy())
return;
AudacityProject *p = GetActiveProject();
if (p) {
TrackList *t = p->GetTracks();
double t0 = p->GetSel0();
double t1 = p->GetSel1();
if (t1 == t0)
t1 = t->GetMaxLen();
bool success = gAudioIO->StartPlay(p, t, t0, t1);
if (!success) {
SetPlay(false);
SetStop(false);
SetRecord(false);
}
}
}示例3: ExportPCM
//.........这里部分代码省略.........
#ifdef __WXMAC__
FSSpec spec;
wxMacFilename2FSSpec(fName, &spec);
if (trackMarkers) {
// Export the label track as "CD Spin Doctor" files
LabelTrack *labels = NULL;
TrackListIterator iter(tracks);
VTrack *t = iter.First();
while (t && !labels) {
if (t->GetKind() == VTrack::Label)
labels = (LabelTrack *) t;
t = iter.Next();
}
if (labels) {
FSpCreateResFile(&spec, 'AIFF', AUDACITY_CREATOR, 0);
int resFile = FSpOpenResFile(&spec, fsWrPerm);
if (resFile == -1) {
int x = ResError();
}
if (resFile != -1) {
UseResFile(resFile);
int numLabels = labels->mLabels.Count();
for (int i = 0; i < numLabels; i++) {
int startBlock = (int) (labels->mLabels[i]->t * 75);
int lenBlock;
if (i < numLabels - 1)
lenBlock =
(int) ((labels->mLabels[i + 1]->t -
labels->mLabels[i]->t) * 75);
else
lenBlock =
(int) ((tracks->GetMaxLen() -
labels->mLabels[i]->t) * 75);
int startSample = startBlock * 1176 + 54;
int lenSample = lenBlock * 1176 + 54;
Handle theHandle = NewHandle(50);
HLock(theHandle);
char *data = (char *) (*theHandle);
*(int *) &data[0] = startSample;
*(int *) &data[4] = lenSample;
*(int *) &data[8] = startBlock;
*(int *) &data[12] = lenBlock;
*(short *) &data[16] = i + 1;
wxString title = labels->mLabels[i]->title;
if (title.Length() > 31)
title = title.Left(31);
data[18] = title.Length();
strcpy(&data[19], (const char *) title);
HUnlock(theHandle);
AddResource(theHandle, 'SdCv', 128 + i, "\p");
}
CloseResFile(resFile);
wxMessageBox("Saved track information with file.");
}
}
}
FInfo finfo;
if (FSpGetFInfo(&spec, &finfo) == noErr) {
switch (header) {
case SND_HEAD_AIFF:
finfo.fdType = 'AIFF';
break;
case SND_HEAD_IRCAM:
finfo.fdType = 'IRCA';
break;
case SND_HEAD_NEXT:
finfo.fdType = 'AU ';
break;
case SND_HEAD_WAVE:
finfo.fdType = 'WAVE';
break;
}
finfo.fdCreator = AUDACITY_CREATOR;
FSpSetFInfo(&spec, &finfo);
}
#endif
if (progress)
delete progress;
return true;
#endif
return false;
}示例4: FixScrollbars
void AudioView::FixScrollbars()
{
if (!hsbar || !vsbar)
return;
AudioDoc *doc = ((AudioDoc *)GetDocument());
if (!doc)
return;
bool rescroll = false;
TrackList *tracks = GetTracks();
int totalHeight = (tracks->GetHeight() + 32);
int panelWidth, panelHeight;
trackPanel->GetSize(&panelWidth, &panelHeight);
sinfo.total = tracks->GetMaxLen() + 1.0;
sinfo.screen = ((double)panelWidth) / sinfo.zoom;
if (sinfo.h > sinfo.total - sinfo.screen) {
sinfo.h = sinfo.total - sinfo.screen;
rescroll = true;
}
if (sinfo.h < 0.0) {
sinfo.h = 0.0;
rescroll = true;
}
sinfo.sbarTotal = (int)(sinfo.total * sinfo.zoom) / sinfo.scrollStep;
sinfo.sbarScreen = (int)(sinfo.screen * sinfo.zoom) / sinfo.scrollStep;
sinfo.sbarH = (int)(sinfo.h * sinfo.zoom) / sinfo.scrollStep;
vpos =
vsbar->GetThumbPosition() * sinfo.scrollStep;
if (vpos >= totalHeight)
vpos = totalHeight-1;
if (vpos < 0)
vpos = 0;
hsbar->Show(sinfo.screen < sinfo.total);
vsbar->Show(panelHeight < totalHeight);
if (panelHeight >= totalHeight && vpos != 0) {
vpos = 0;
REDRAW(trackPanel);
REDRAW(rulerPanel);
rescroll = false;
}
if (sinfo.screen >= sinfo.total && sinfo.sbarH != 0) {
sinfo.sbarH = 0;
REDRAW(trackPanel);
REDRAW(rulerPanel);
rescroll = false;
}
hsbar->SetScrollbar(sinfo.sbarH, sinfo.sbarScreen,
sinfo.sbarTotal, sinfo.sbarScreen, TRUE);
vsbar->SetScrollbar(vpos / sinfo.scrollStep,
panelHeight / sinfo.scrollStep,
totalHeight / sinfo.scrollStep,
panelHeight / sinfo.scrollStep,
TRUE);
sinfo.lastZoom = sinfo.zoom;
if (rescroll && sinfo.screen < sinfo.total) {
REDRAW(trackPanel);
REDRAW(rulerPanel);
}
}