/// <summary>Builds the SVG as a Loonim filter.</summary>
internal void BuildFilter()
{
// Clear DS:
DrawStack = null;
// Build up the filter:
Drawing.BuildFilter(this);
// Set DS as root:
Filter.Root = DrawStack;
if (DrawStack != null)
{
// PreAllocate it:
Filter.PreAllocate(DrawInfo);
}
}
/// <summary>Connects a filter to the camera's output.
/// Fires an imagechange event too as this updates Texture to the filtered version.</summary>
private void ConnectFilter()
{
if (Filter_ != null)
{
if (FilterDrawInfo == null)
{
FilterDrawInfo = new Loonim.DrawInfo();
}
// Update draw info:
FilterDrawInfo.SetSize(pixelWidth, pixelHeight);
// Update source:
Filter_.Set("source0", SourceCamera.targetTexture);
// Reallocate the filter:
Filter_.PreAllocate(FilterDrawInfo);
// Grab the main output (always a RT):
Texture = Filter_.Texture as RenderTexture;
if (Texture == null)
{
// This isn't a valid filter!
// It either had no nodes or e.g. e.g. a solid colour.
Debug.Log("Invalid filter was set to a FlatWorldUI - removed it.");
Filter_ = null;
}
}
if (Filter_ == null)
{
// Clear draw info:
FilterDrawInfo = null;
// Revert to the camera's output:
Texture = SourceCamera.targetTexture;
}
// Fire an imagechange event into the window:
Dom.Event e = new Dom.Event("imagechange");
e.SetTrusted(false);
document.window.dispatchEvent(e);
}
