private void GraphForm_MouseMove(object sender, MouseEventArgs e)
{
mousepos = e.Location;
mousepos.X += hScrollBar.Value;
mousepos.Y += vScrollBar.Value - toolStripHeight;
if (movingFilter != null)
{
int dx = (mousepos.X - movingStart.X) / graph.cellsize;
int dy = (mousepos.Y - movingStart.Y) / graph.cellsize;
if (dx != 0 || dy != 0)
{
Point c = movingFilter.movingStartCoords;
c.X += dx;
c.Y += dy;
c.X = Math.Max(c.X, 1);
c.Y = Math.Max(c.Y, 0);
if (c != movingFilter.Coords)
{
foreach(Filter f in graph.SelectedFilters)
graph.PlaceFilter(f, false);
bool canplace = true;
foreach (Filter f in graph.SelectedFilters)
{
c = f.movingStartCoords;
c.X += dx;
c.Y += dy;
c.X = Math.Max(c.X, 1);
c.Y = Math.Max(c.Y, 0);
if (!graph.CanPlaceFilter(c, f))
{
canplace = false;
break;
}
}
if (canplace)
{
foreach (Filter f in graph.SelectedFilters)
{
c = f.movingStartCoords;
c.X += dx;
c.Y += dy;
c.X = Math.Max(c.X, 1);
c.Y = Math.Max(c.Y, 0);
f.Coords = c;
graph.PlaceFilter(f, true);
}
graph.RecalcPaths();
RecalcScrolls();
Invalidate();
}
else
foreach (Filter f in graph.SelectedFilters)
graph.PlaceFilter(f, true);
}
}
}
if (connectingPin != null && connectingPin.Connection==null)
{
otherPin = null;
Filter f = graph.FilterInPoint(mousepos);
if (f != null)
{
Pin p = f.PinInPoint(mousepos);
if (p != null && p.Direction != connectingPin.Direction && p.Connection==null)
otherPin = p;
}
Invalidate();
}
if (selecting)
{
Invalidate();
}
DescribeActions();
}
private void OnLButtonUp()
{
if (movingFilter != null)
foreach (Filter f in graph.SelectedFilters)
f.movingStartCoords = f.Coords;
movingFilter = null;
if (connectingPin != null)
{
if (mousepos == movingStart) //just click on pin
{
if (connectingPin.Connection != null)
{
AMMediaType mt = new AMMediaType();
connectingPin.IPin.ConnectionMediaType(mt);
MediaTypeProps mtp = MediaTypeProps.CreateMTProps(mt); //new MediaTypeProps(mt);
Program.mainform.propform.SetObject(mtp);
}
else
{
IEnumMediaTypes mtenum;
if (connectingPin.IPin.EnumMediaTypes(out mtenum) >= 0)
{
AMMediaType[] mts = new AMMediaType[1];
List<MediaTypeProps> mtypes = new List<MediaTypeProps>();
IntPtr fetched = Marshal.AllocHGlobal(4);
while (mtenum.Next(1, mts, fetched) == 0)
mtypes.Add(MediaTypeProps.CreateMTProps(mts[0]));
Marshal.FreeHGlobal(fetched);
Program.mainform.propform.SetObject(mtypes.ToArray());
}
}
}
else
{
if (otherPin != null)
{
Pin inpin, outpin;
if (connectingPin.Direction == PinDirection.Input)
{
inpin = connectingPin;
outpin = otherPin;
}
else
{
inpin = otherPin;
outpin = connectingPin;
}
graph.Connect(outpin, inpin, true);
}
}
Invalidate();
}
if (selecting)
{
Rectangle rc = new Rectangle(Math.Min(mousepos.X, movingStart.X), Math.Min(mousepos.Y, movingStart.Y),
Math.Abs(mousepos.X - movingStart.X), Math.Abs(mousepos.Y - movingStart.Y));
if (ModifierKeys != Keys.Shift)
graph.ClearFiltersSelection();
graph.SelectSeveralFilters(rc);
selecting = false;
Invalidate();
}
connectingPin = null;
otherPin = null;
}
private void OnRButtonDown(Point eLocation)
{
Filter filter = graph.FilterInPoint(mousepos);
if (filter != null)
{
Pin pin = filter.PinInPoint(mousepos);
if (pin != null)
{
movingStart = mousepos;
connectingPin = pin;
}
else //filter right click
{
rightClickedFilter = filter;
ContextMenu menu = new ContextMenu();
if (FilterGraphTools.HasPropertyPages(filter.BaseFilter))
menu.MenuItems.Add("Property page", ShowPropertyPage);
IAMVfwCompressDialogs vfw = filter.BaseFilter as IAMVfwCompressDialogs;
if (vfw != null)
{
if (vfw.ShowDialog(VfwCompressDialogs.QueryConfig, Handle) == 0)
menu.MenuItems.Add("VfW compressor: Config", VfWConfig);
if (vfw.ShowDialog(VfwCompressDialogs.QueryAbout, Handle) == 0)
menu.MenuItems.Add("VfW compressor: About", VfWAbout);
}
if ((filter.BaseFilter as ISampleGrabber) != null)
{
menu.MenuItems.Add("Set media type", SetSGMediaType);
menu.MenuItems.Add("Watch grabbed samples", WatchSampleGrabber);
}
menu.MenuItems.Add("Scan interfaces", ScanInterfaces);
if (filter.filterProps.DisplayName.Length > 0)
{
menu.MenuItems.Add("Add to favorites", AddToFavorites);
menu.MenuItems.Add("Find this filter in the list", FindFilterInList);
}
if ((filter.BaseFilter as IPersistStream) != null)
{
menu.MenuItems.Add("Save state to C++ code", SaveFilterStateToCode);
menu.MenuItems.Add("Save state to C# code", SaveFilterStateToCodeCS);
}
menu.Show(this, eLocation);
}
}
else //out of filter right click
{
ContextMenu menu = new ContextMenu();
menu.MenuItems.Add("Render file...", RenderFile);
menu.MenuItems.Add("Add source filter...", AddSourceFilter);
menu.MenuItems.Add("Load graph...", LoadGraph);
if (savedFileName != null)
menu.MenuItems.Add("Save graph", SaveGraph);
menu.MenuItems.Add("Save graph as...", SaveGraphAs);
menu.MenuItems.Add("See event log...", ShowEventLog);
menu.MenuItems.Add("Arrange filters", delegate
{
graph.LayoutFilters();
graph.RecalcPaths();
Invalidate();
});
menu.MenuItems.Add("Refresh graph", delegate { graph.ReloadGraph(); Invalidate(); });
menu.Show(this, eLocation);
}
}
public void ReloadFilters()
{
log("reload filters..");
IEnumFilters ef;
ClearFiltersSelection();
ClearConnections();
filter_positions.Clear();
foreach (Filter f in filters)
{
filter_positions.Add(f.Name, f.Coords);
}
filters.Clear();
log("reload_filters 1");
try
{
int hr = graphBuilder.EnumFilters(out ef);
DsError.ThrowExceptionForHR(hr);
IBaseFilter[] fs = new IBaseFilter[1];
IntPtr fetched = Marshal.AllocHGlobal(4);
while ((hr = ef.Next(1, fs, fetched)) == 0)
{
log("reload_filters 2");
FilterInfo fi;
fs[0].QueryFilterInfo(out fi);
log("reload_filters: " + fi.achName);
Filter ff = FindFilterByName(fi.achName);
if (ff == null) //not found
{
ff = new Filter(fs[0]);
AddFilterHere(ff, false, null);
history.AddFilterIfNew(ff.filterProps, ff.Name, ff.srcFileName, ff.dstFileName, ff);
}
else
{
ff.ReloadPins();
}
log("reload_filters 3");
foreach (Pin pin in ff.Pins)
{
log("reload_filters 4: " + pin.Name);
IPin ip = pin.IPin, connected_ipin;
hr = ip.ConnectedTo(out connected_ipin);
if (hr != 0)
{
continue;
}
PinInfo cpi;
connected_ipin.QueryPinInfo(out cpi);
FilterInfo cfi;
cpi.filter.QueryFilterInfo(out cfi);
Filter connected_filter = FindFilterByName(cfi.achName);
if (connected_filter != null)
{
Pin cp = connected_filter.FindPinByName(connected_filter.Name + "." + cpi.name);
if (cp != null)
{
string con_uniqname = (pin.Direction == PinDirection.Input) ?
cp.UniqName + "-" + pin.UniqName : pin.UniqName + "-" + cp.UniqName;
PinConnection con = FindConnectionByName(con_uniqname);
if (con == null)
{
if (pin.Direction == PinDirection.Input)
{
Connect(cp, pin);
}
else
{
Connect(pin, cp);
}
}
}
}
DsUtils.FreePinInfo(cpi);
}
}
Marshal.FreeHGlobal(fetched);
if (hr < 0)
{
DsError.ThrowExceptionForHR(hr);
}
}
catch (COMException e)
{
ShowCOMException(e, "Error while enumerating filters in the graph");
return;
}
/*catch (Exception e)
* {
* MessageBox.Show(e.Message, "Error while enumerating filters in the graph");
* return;
* }*/
log("reload_filters: almost done");
history.CommitAdded();
log("reload_filters: done");
}
public List <ConStep> CalcPath(Pin outpin, Pin inpin, int con_id)
{
Point gsz = GetGraphSize();
int mx = gsz.X, my = gsz.Y;
//calc graph field size
cost = new int[mx, my];
dirs = new int[mx, my];
//get pins coords
Point psrc = new Point(outpin.Filter.Coords.X + outpin.Filter.boxsize.X,
outpin.Filter.Coords.Y + outpin.Rect.Top / cellsize);
pdst = new Point(inpin.Filter.Coords.X - 1,
inpin.Filter.Coords.Y + inpin.Rect.Top / cellsize);
//make path field
changed = new PriorityQueue <Point>();//Queue<Point>();
cost[psrc.X, psrc.Y] = 1;
dirs[psrc.X, psrc.Y] = 2;
changed.Enqueue(psrc, 1);
Point p;
while (changed.Count > 0)
{
p = changed.Dequeue().Value;
if (p == pdst)
{
break;
}
int x = p.X, y = p.Y;
int c = cost[x, y];
if (p.X > 0)
{
CheckPath(p.X - 1, p.Y, c, 0);
}
if (p.X < mx - 1)
{
CheckPath(p.X + 1, p.Y, c, 2);
}
if (p.Y > 0)
{
CheckPath(p.X, p.Y - 1, c + 1, 3);
}
if (p.Y < my - 1)
{
CheckPath(p.X, p.Y + 1, c + 1, 1);
}
}
//make path
p = pdst;
List <ConStep> path = new List <ConStep>();
int cd = 2;
// 43
// 56
while (true)
{
int nd = dirs[p.X, p.Y], d = 0;
if (cd == 0 && nd == 0)
{
d = 2;
}
if (cd == 0 && nd == 1)
{
d = 4;
}
if (cd == 0 && nd == 2)
{
d = 0;
}
if (cd == 0 && nd == 3)
{
d = 5;
}
if (cd == 1 && nd == 0)
{
d = 6;
}
if (cd == 1 && nd == 1)
{
d = 1;
}
if (cd == 1 && nd == 2)
{
d = 5;
}
if (cd == 1 && nd == 3)
{
d = 0;
}
if (cd == 2 && nd == 0)
{
d = 0;
}
if (cd == 2 && nd == 1)
{
d = 3;
}
if (cd == 2 && nd == 2)
{
d = 2;
}
if (cd == 2 && nd == 3)
{
d = 6;
}
if (cd == 3 && nd == 0)
{
d = 3;
}
if (cd == 3 && nd == 1)
{
d = 0;
}
if (cd == 3 && nd == 2)
{
d = 4;
}
if (cd == 3 && nd == 3)
{
d = 1;
}
if (d == 0)
{
break;
}
ConStep cs = new ConStep();
cs.x = p.X; cs.y = p.Y; cs.dir = d;
path.Add(cs);
field[p.X, p.Y] += 100;
ownersmap[p.X, p.Y] = con_id;
if (p == psrc)
{
break;
}
if (nd == 0)
{
p.X++;
}
if (nd == 2)
{
p.X--;
}
if (nd == 3)
{
p.Y++;
}
if (nd == 1)
{
p.Y--;
}
cd = nd;
}
changed = null; cost = null; //dirs = null;
return(path);
}
public void PinSetFormat(Pin pin, AMMediaType mt)
{
history.SetFormat(pin, mt);
}
