public virtual void TryAndProcess()
{
int c = Nodes.Count;
for (int i = 0; i < c; i++)
{
Node n = Nodes[i];
if (OutputNodes.Contains(n.Id))
{
continue;
}
if (InputNodes.Contains(n.Id))
{
continue;
}
n.TryAndProcess();
}
c = InputNodes.Count;
for (int i = 0; i < c; i++)
{
Node n;
if (NodeLookup.TryGetValue(InputNodes[i], out n))
{
InputNode inp = (InputNode)n;
inp.TryAndProcess();
}
}
}
/// <summary>
/// this is used in GraphInstances
/// To resize proportionate to new size
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
public virtual void ResizeWith(int width, int height)
{
this.width = width;
this.height = height;
int c = Nodes.Count;
for (int i = 0; i < c; i++)
{
Node n = Nodes[i];
if (OutputNodes.Contains(n.Id))
{
continue;
}
if (InputNodes.Contains(n.Id))
{
continue;
}
if (n is BitmapNode)
{
BitmapNode bn = (BitmapNode)n;
bn.TryAndProcess();
}
else
{
Point osize;
if (OriginSizes.TryGetValue(n.Id, out osize))
{
float wratio = width / (float)osize.X;
float hratio = height / (float)osize.Y;
int fwidth = (int)Math.Min(4096, Math.Max(16, Math.Round(osize.X * wratio)));
int fheight = (int)Math.Min(4096, Math.Max(16, Math.Round(osize.Y * hratio)));
n.Width = fwidth;
n.Height = fheight;
}
}
}
c = InputNodes.Count;
for (int i = 0; i < c; i++)
{
Node n;
if (NodeLookup.TryGetValue(InputNodes[i], out n))
{
InputNode inp = (InputNode)n;
inp.TryAndProcess();
}
}
}
/// <summary>
/// This is used in GraphInstanceNodes
/// We only save the final buffers connected to the outputs,
/// and release all other buffers to save video card memory
/// since it is all in video memory and shader based
/// we do not have to transfer data to the video card
/// so it will be relatively fast still to update
/// when we have to recreate the textures
/// </summary>
public virtual void ReleaseIntermediateBuffers()
{
foreach (Node n in Nodes)
{
if (OutputNodes.Contains(n.Id))
{
continue;
}
if (n.Buffer != null)
{
n.Buffer.Release();
}
}
}
