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 void DrawSelectionTinting(Graphics g, PdnGraphicsPath outline)
{
if (outline == null)
{
return;
}
CompositingMode oldCM = g.CompositingMode;
g.CompositingMode = CompositingMode.SourceOver;
SmoothingMode oldSM = g.SmoothingMode;
g.SmoothingMode = SmoothingMode.AntiAlias;
PixelOffsetMode oldPOM = g.PixelOffsetMode;
g.PixelOffsetMode = PixelOffsetMode.None;
Region oldClipRegion = null;
RectangleF outlineBounds = outline.GetBounds();
if (outlineBounds.Left < 0 ||
outlineBounds.Top < 0 ||
outlineBounds.Right >= this.SourceSize.Width ||
outlineBounds.Bottom >= this.SourceSize.Height)
{
oldClipRegion = g.Clip;
Region newClipRegion = oldClipRegion.Clone();
newClipRegion.Intersect(new Rectangle(0, 0, this.SourceSize.Width, this.SourceSize.Height));
g.Clip = newClipRegion;
newClipRegion.Dispose();
}
g.FillPath(InteriorBrush, outline);
if (oldClipRegion != null)
{
g.Clip = oldClipRegion;
oldClipRegion.Dispose();
}
g.PixelOffsetMode = oldPOM;
g.SmoothingMode = oldSM;
g.CompositingMode = oldCM;
}
private void DrawSelectionTinting(Graphics g, PdnGraphicsPath outline)
{
if (outline == null)
{
return;
}
CompositingMode oldCM = g.CompositingMode;
g.CompositingMode = CompositingMode.SourceOver;
SmoothingMode oldSM = g.SmoothingMode;
g.SmoothingMode = SmoothingMode.AntiAlias;
PixelOffsetMode oldPOM = g.PixelOffsetMode;
g.PixelOffsetMode = PixelOffsetMode.None;
Region oldClipRegion = null;
RectangleF outlineBounds = outline.GetBounds();
if (outlineBounds.Left < 0 ||
outlineBounds.Top < 0 ||
outlineBounds.Right >= this.SourceSize.Width ||
outlineBounds.Bottom >= this.SourceSize.Height)
{
oldClipRegion = g.Clip;
Region newClipRegion = oldClipRegion.Clone();
newClipRegion.Intersect(new Rectangle(0, 0, this.SourceSize.Width, this.SourceSize.Height));
g.Clip = newClipRegion;
newClipRegion.Dispose();
}
g.FillPath(InteriorBrush, outline);
if (oldClipRegion != null)
{
g.Clip = oldClipRegion;
oldClipRegion.Dispose();
}
g.PixelOffsetMode = oldPOM;
g.SmoothingMode = oldSM;
g.CompositingMode = oldCM;
}
public unsafe void Draw(Surface dst, Matrix transform, ResamplingAlgorithm sampling)
{
if (this.disposed)
{
throw new ObjectDisposedException("MaskedSurface");
}
if (this.surface == null || !transform.IsInvertible)
{
return;
}
PdnRegion theRegion;
Rectangle regionBounds;
if (this.path == null)
{
theRegion = this.region.Clone();
regionBounds = this.region.GetBoundsInt();
theRegion.Transform(transform);
}
else
{
using (PdnGraphicsPath mPath = this.shadowPath.Clone())
{
regionBounds = Rectangle.Truncate(mPath.GetBounds());
mPath.Transform(transform);
theRegion = new PdnRegion(mPath);
}
}
DrawContext dc = new DrawContext();
dc.boundsX = regionBounds.X;
dc.boundsY = regionBounds.Y;
Matrix inverse = transform.Clone();
inverse.Invert();
dc.inverses = new Matrix[Processor.LogicalCpuCount];
for (int i = 0; i < dc.inverses.Length; ++i)
{
dc.inverses[i] = inverse.Clone();
}
// change in source-[X|Y] w.r.t. destination-[X|Y]
PointF[] pts = new PointF[] {
new PointF(1, 0),
new PointF(0, 1)
};
inverse.TransformVectors(pts);
inverse.Dispose();
inverse = null;
dc.dsxddx = pts[0].X;
if (Math.Abs(dc.dsxddx) > fp_MaxValue)
{
dc.dsxddx = 0.0f;
}
dc.dsyddx = pts[0].Y;
if (Math.Abs(dc.dsyddx) > fp_MaxValue)
{
dc.dsyddx = 0.0f;
}
dc.dsxddy = pts[1].X;
if (Math.Abs(dc.dsxddy) > fp_MaxValue)
{
dc.dsxddy = 0.0f;
}
dc.dsyddy = pts[1].Y;
if (Math.Abs(dc.dsyddy) > fp_MaxValue)
{
dc.dsyddy = 0.0f;
}
dc.fp_dsxddx = (int)(dc.dsxddx * fp_MultFactor);
dc.fp_dsyddx = (int)(dc.dsyddx * fp_MultFactor);
dc.fp_dsxddy = (int)(dc.dsxddy * fp_MultFactor);
dc.fp_dsyddy = (int)(dc.dsyddy * fp_MultFactor);
dc.dst = dst;
dc.src = this.surface;
Rectangle[] scans = theRegion.GetRegionScansReadOnlyInt();
if (scans.Length == 1)
{
dc.dstScans = new Rectangle[Processor.LogicalCpuCount];
Utility.SplitRectangle(scans[0], dc.dstScans);
}
else
{
dc.dstScans = scans;
}
WaitCallback wc;
switch (sampling)
{
case ResamplingAlgorithm.NearestNeighbor:
wc = new WaitCallback(dc.DrawScansNearestNeighbor);
break;
case ResamplingAlgorithm.Bilinear:
wc = new WaitCallback(dc.DrawScansBilinear);
break;
default:
throw new System.ComponentModel.InvalidEnumArgumentException();
}
for (int i = 0; i < Processor.LogicalCpuCount; ++i)
{
if (i == Processor.LogicalCpuCount - 1)
{
// Don't queue the last work item into a separate thread
wc(BoxedConstants.GetInt32(i));
}
else
{
threadPool.QueueUserWorkItem(wc, BoxedConstants.GetInt32(i));
}
}
threadPool.Drain();
for (int i = 0; i < Processor.LogicalCpuCount; ++i)
{
dc.inverses[i].Dispose();
dc.inverses[i] = null;
}
dc.src = null;
theRegion.Dispose();
theRegion = null;
}
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;
}
}