public MaskedSurface(Surface source, PdnGraphicsPath path)
{
RectangleF boundsF = path.GetBounds();
Rectangle bounds = Utility.RoundRectangle(boundsF);
Rectangle boundsClipped = Rectangle.Intersect(bounds, source.Bounds);
Rectangle boundsRead;
if (bounds != boundsClipped)
{
PdnRegion region = new PdnRegion(path);
region.Intersect(source.Bounds);
SetPathField(PdnGraphicsPath.FromRegion(region));
this.region = region;
boundsRead = region.GetBoundsInt();
}
else
{
SetPathField(path.Clone());
this.region = new PdnRegion(this.path);
boundsRead = boundsClipped;
}
if (boundsRead.Width > 0 && boundsRead.Height > 0)
{
this.surface = new Surface(boundsRead.Size);
this.surface.CopySurface(source, boundsRead);
}
else
{
this.surface = null;
}
}
private PdnGraphicsPath GetPath()
{
if (this.path == null)
{
SetPathField(PdnGraphicsPath.FromRegion(this.region));
}
return(this.shadowPath);
}
private PdnGraphicsPath GetPath()
{
if (this.path == null)
{
// TODO: FromRegion() is a VERY expensive call!
PdnGraphicsPath newPath = PdnGraphicsPath.FromRegion(this.region);
SetPathField(newPath);
}
return(this.shadowPath);
}
public PdnGraphicsPath CreatePixelatedPath()
{
using (PdnGraphicsPath path = CreatePath())
{
using (PdnRegion region = new PdnRegion(path))
{
PdnGraphicsPath pixellatedPath = PdnGraphicsPath.FromRegion(region);
return(pixellatedPath);
}
}
}
/// <summary>
/// Constructs a MaskSurface by copying the given region-of-interest from an Image.
/// </summary>
/// <param name="source">The Surface to copy pixels from.</param>
/// <param name="roi">Defines the Region from which to copy pixels from the Image.</param>
public MaskedSurface(Surface source, PdnRegion roi)
{
PdnRegion roiClipped = (PdnRegion)roi.Clone();
roiClipped.Intersect(source.Bounds);
Rectangle boundsClipped = roiClipped.GetBoundsInt();
this.surface = new Surface(boundsClipped.Size);
this.surface.Clear(ColorBgra.FromUInt32(0x00ffffff));
Rectangle rect = boundsClipped;
Point dstOffset = new Point(rect.X - boundsClipped.X, rect.Y - boundsClipped.Y);
this.surface.CopySurface(source, dstOffset, rect);
this.region = roiClipped;
SetPathField(PdnGraphicsPath.FromRegion(this.region));
}
/// <summary>
/// Constructs a MaskSurface by copying the given region-of-interest from an Image.
/// </summary>
/// <param name="source">The Surface to copy pixels from.</param>
/// <param name="roi">Defines the Region from which to copy pixels from the Image.</param>
public MaskedSurface(Surface source, PdnRegion roi)
{
PdnRegion roiClipped = (PdnRegion)roi.Clone();
roiClipped.Intersect(source.Bounds);
Rectangle boundsClipped = roiClipped.GetBoundsInt();
this.SurfaceReadOnly = new Surface(boundsClipped.Size);
this.SurfaceReadOnly.Clear(ColorBgra.FromUInt32(0x00ffffff));
Rectangle rect = boundsClipped;
Point dstOffset = new Point(rect.X - boundsClipped.X, rect.Y - boundsClipped.Y);
this.SurfaceReadOnly.CopySurface(source, dstOffset, rect);
this.region = roiClipped;
// TODO: FromRegion() is a VERY expensive call for what we are doing!
PdnGraphicsPath newPath = PdnGraphicsPath.FromRegion(this.region);
SetPathField(newPath);
}
