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Fixed (I hope?) boundary snapping.

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Originally committed to SVN as r728.
This commit is contained in:
Rodrigo Braz Monteiro 2007-01-06 22:07:48 +00:00
parent 2d7af197ee
commit 71828a2df5
2 changed files with 29 additions and 18 deletions
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45
aegisub/audio_display.cpp
View file

@ -1543,7 +1543,7 @@ void AudioDisplay::OnMouseEvent(wxMouseEvent& event) {
if (leftIsDown && x != lastX) {
selStart = lastX;
selEnd = x;
curStartMS = GetMSAtX(GetBoundarySnap(lastX,event.ShiftDown()?0:10));
curStartMS = GetBoundarySnap(GetMSAtX(lastX),event.ShiftDown()?0:10,true);
curEndMS = GetMSAtX(x);
hold = 2;
}
@ -1554,7 +1554,8 @@ void AudioDisplay::OnMouseEvent(wxMouseEvent& event) {
if (hold == 1 && buttonIsDown) {
// Set new value
if (x != selStart) {
selStart = GetBoundarySnap(x,event.ShiftDown()?0:10);
int snapped = GetBoundarySnap(GetMSAtX(x),event.ShiftDown()?0:10,true);
selStart = GetXAtMS(snapped);
if (selStart > selEnd) {
int temp = selStart;
selStart = selEnd;
@ -1572,7 +1573,9 @@ void AudioDisplay::OnMouseEvent(wxMouseEvent& event) {
if (hold == 2 && buttonIsDown) {
// Set new value
if (x != selEnd) {
selEnd = GetBoundarySnap(x,event.ShiftDown()?0:10);
int snapped = GetBoundarySnap(GetMSAtX(x),event.ShiftDown()?0:10,false);
selEnd = GetXAtMS(snapped);
//selEnd = GetBoundarySnap(x,event.ShiftDown()?0:10,false);
if (selStart > selEnd) {
int temp = selStart;
selStart = selEnd;
@ -1665,18 +1668,26 @@ void AudioDisplay::OnMouseEvent(wxMouseEvent& event) {
////////////////////////
// Get snap to boundary
int AudioDisplay::GetBoundarySnap(int x,int range) {
int AudioDisplay::GetBoundarySnap(int ms,int rangeX,bool start) {
// Range?
if (range <= 0) return x;
if (rangeX <= 0) return ms;
// Convert range into miliseconds
int rangeMS = rangeX*samples*1000 / provider->GetSampleRate();
// Find the snap boundaries
wxArrayInt boundaries;
if (video->KeyFramesLoaded() && Options.AsBool(_T("Audio Draw Secondary Lines"))) {
__int64 keyX;
__int64 keyMS;
wxArrayInt keyFrames = video->GetKeyFrames();
int frame;
for (unsigned int i=0;i<keyFrames.Count();i++) {
keyX = GetXAtMS(VFR_Output.GetTimeAtFrame(keyFrames[i],true));
if (keyX >= 0 && keyX < w) boundaries.Add(keyX);
frame = keyFrames[i];
if (!start) frame--;
if (frame < 0) frame = 0;
keyMS = VFR_Output.GetTimeAtFrame(frame,start);
//if (start) keyX++;
if (GetXAtMS(keyMS) >= 0 && GetXAtMS(keyMS) < w) boundaries.Add(keyMS);
}
}
@ -1705,24 +1716,24 @@ int AudioDisplay::GetBoundarySnap(int x,int range) {
// Get coordinates
shadeX1 = GetXAtMS(shade->Start.GetMS());
shadeX2 = GetXAtMS(shade->End.GetMS());
if (shadeX1 >= 0 && shadeX1 < w) boundaries.Add(shadeX1);
if (shadeX2 >= 0 && shadeX2 < w) boundaries.Add(shadeX2);
if (shadeX1 >= 0 && shadeX1 < w) boundaries.Add(shade->Start.GetMS());
if (shadeX2 >= 0 && shadeX2 < w) boundaries.Add(shade->End.GetMS());
}
}
}
// See if x falls within range of any of them
int minDist = range+1;
int bestX = x;
// See if ms falls within range of any of them
int minDist = rangeMS+1;
int bestMS = ms;
for (unsigned int i=0;i<boundaries.Count();i++) {
if (abs(x-boundaries[i]) < minDist) {
bestX = boundaries[i];
minDist = abs(x-boundaries[i]);
if (abs(ms-boundaries[i]) < minDist) {
bestMS = boundaries[i];
minDist = abs(ms-boundaries[i]);
}
}
// Return best match
return bestX;
return bestMS;
}

2
aegisub/audio_display.h
View file

@ -121,7 +121,7 @@ private:
void GetKaraokePos(__int64 &start,__int64 &end,bool cap);
void UpdatePosition(int pos,bool IsSample=false);
int GetBoundarySnap(int x,int range);
int GetBoundarySnap(int x,int range,bool start=true);
public:
AudioProvider *provider;