public static PdnRegion WrapRegion(Region region)
{
PdnRegion pdnRegion = new PdnRegion(false);
pdnRegion.gdiRegion = region;
return(pdnRegion);
}
public void Exclude(PdnRegion region2)
{
lock (SyncRoot)
{
gdiRegion.Exclude(region2.gdiRegion);
}
}
/// <summary>
/// Renders only the portions of the document that have changed (been Invalidated) since
/// the last call to this function.
/// </summary>
/// <param name="args">Contains information used to control where rendering occurs.</param>
/// <returns>true if any rendering was done (the update list was non-empty), false otherwise</returns>
public bool Update(RenderArgs dst)
{
if (disposed)
{
throw new ObjectDisposedException("Document");
}
Rectangle[] updateRects;
int updateRectsLength;
updateRegion.GetArrayReadOnly(out updateRects, out updateRectsLength);
if (updateRectsLength == 0)
{
return(false);
}
PdnRegion region = Utility.RectanglesToRegion(updateRects, 0, updateRectsLength);
Rectangle[] rectsOriginal = region.GetRegionScansReadOnlyInt();
Rectangle[] rectsToUse;
// Special case where we're drawing 1 big rectangle: split it up!
// This case happens quite frequently, but we don't want to spend a lot of
// time analyzing any other case that is more complicated.
if (rectsOriginal.Length == 1 && rectsOriginal[0].Height > 1)
{
Rectangle[] rectsNew = new Rectangle[Processor.LogicalCpuCount];
Utility.SplitRectangle(rectsOriginal[0], rectsNew);
rectsToUse = rectsNew;
}
else
{
rectsToUse = rectsOriginal;
}
int cpuCount = Processor.LogicalCpuCount;
for (int i = 0; i < cpuCount; ++i)
{
int start = (i * rectsToUse.Length) / cpuCount;
int end = ((i + 1) * rectsToUse.Length) / cpuCount;
UpdateScansContext usc = new UpdateScansContext(this, dst, rectsToUse, start, end - start);
if (i == cpuCount - 1)
{
// Reuse this thread for the last job -- no sense creating a new thread.
usc.UpdateScans(usc);
}
else
{
threadPool.QueueUserWorkItem(new WaitCallback(usc.UpdateScans), usc);
}
}
this.threadPool.Drain();
Validate();
return(true);
}
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 Dispose(bool disposing)
{
if (disposing)
{
if (this.surface != null)
{
this.surface.Dispose();
this.surface = null;
}
if (this.region != null)
{
this.region.Dispose();
this.region = null;
}
if (this.path != null)
{
this.path.Dispose();
this.path = null;
}
if (this.shadowPath != null)
{
this.shadowPath.Dispose();
this.shadowPath = null;
}
}
this.disposed = true;
}
public void Set(PdnRegion region, bool newValue)
{
foreach (Rectangle rect in region.GetRegionScansReadOnlyInt())
{
Set(rect, newValue);
}
}
private void Activate()
{
Debug.Assert(this.active != true, "already active!");
this.active = true;
this.handCursor = new Cursor(PdnResources.GetResourceStream("Cursors.PanToolCursor.cur"));
this.handCursorMouseDown = new Cursor(PdnResources.GetResourceStream("Cursors.PanToolCursorMouseDown.cur"));
this.handCursorInvalid = new Cursor(PdnResources.GetResourceStream("Cursors.PanToolCursorInvalid.cur"));
this.panTracking = false;
this.panMode = false;
this.mouseDown = 0;
this.savedTiles = null;
this.saveRegion = null;
this.scratchSurface = DocumentWorkspace.BorrowScratchSurface(this.GetType().Name + ": Tool.Activate()");
#if DEBUG
this.haveClearedScratch = false;
#endif
Selection.Changing += new EventHandler(SelectionChangingHandler);
Selection.Changed += new EventHandler(SelectionChangedHandler);
HistoryStack.ExecutingHistoryMemento += new ExecutingHistoryMementoEventHandler(ExecutingHistoryMemento);
HistoryStack.ExecutedHistoryMemento += new ExecutedHistoryMementoEventHandler(ExecutedHistoryMemento);
HistoryStack.FinishedStepGroup += new EventHandler(FinishedHistoryStepGroup);
this.trackingNub = new MoveNubRenderer(this.RendererList);
this.trackingNub.Visible = false;
this.trackingNub.Size = new SizeF(10, 10);
this.trackingNub.Shape = MoveNubShape.Compass;
this.RendererList.Add(this.trackingNub, false);
OnActivate();
}
public PdnGraphicsPath(SerializationInfo info, StreamingContext context)
{
int ptCount = info.GetInt32("ptCount");
PointF[] pts;
byte[] types;
if (ptCount == 0)
{
pts = new PointF[0];
types = new byte[0];
}
else
{
pts = (PointF[])info.GetValue("pts", typeof(PointF[]));
types = (byte[])info.GetValue("types", typeof(byte[]));
}
FillMode fillMode = (FillMode)info.GetValue("fillMode", typeof(FillMode));
Changed();
if (ptCount == 0)
{
gdiPath = new GraphicsPath();
}
else
{
gdiPath = new GraphicsPath(pts, types, fillMode);
}
this.tooComplex = false;
this.regionCache = null;
}
public static PdnRegion CreateEmpty()
{
PdnRegion region = new PdnRegion();
region.MakeEmpty();
return(region);
}
public void Invalidate(PdnRegion region)
{
foreach (Rectangle rect in region.GetRegionScansReadOnlyInt())
{
Invalidate(rect);
}
}
public void Complement(PdnRegion region2)
{
lock (SyncRoot)
{
Changed();
gdiRegion.Complement(region2.gdiRegion);
}
}
public void ClearSavedRegion()
{
if (this.saveRegion != null)
{
this.saveRegion.Dispose();
this.saveRegion = null;
}
}
public void Union(PdnRegion region2)
{
lock (SyncRoot)
{
Changed();
gdiRegion.Union(region2.gdiRegion);
}
}
public void Xor(PdnRegion region2)
{
lock (SyncRoot)
{
Changed();
gdiRegion.Xor(region2.gdiRegion);
}
}
public void Intersect(PdnRegion region2)
{
lock (SyncRoot)
{
Changed();
gdiRegion.Intersect(region2.gdiRegion);
}
}
internal PdnRegion GetRegionCache()
{
if (regionCache == null)
{
regionCache = new PdnRegion(this.gdiPath);
}
return(regionCache);
}
public void RestoreRegion(PdnRegion region)
{
if (region != null)
{
BitmapLayer activeLayer = (BitmapLayer)ActiveLayer;
activeLayer.Surface.CopySurface(this.ScratchSurface, region);
activeLayer.Invalidate(region);
}
}
public SurfaceForClipboard(MaskedSurface maskedSurface)
{
using (PdnRegion region = maskedSurface.CreateRegion())
{
this.Bounds = region.GetBoundsInt();
}
this.MaskedSurface = maskedSurface;
}
private PdnRegion GetRegion()
{
if (this.region == null)
{
this.region = new PdnRegion(this.shadowPath);
}
return(this.region);
}
public void RestoreSavedRegion()
{
if (this.saveRegion != null)
{
BitmapLayer activeLayer = (BitmapLayer)ActiveLayer;
activeLayer.Surface.CopySurface(this.ScratchSurface, this.saveRegion);
activeLayer.Invalidate(this.saveRegion);
this.saveRegion.Dispose();
this.saveRegion = null;
}
}
private IrregularSurface(IrregularSurface cloneMe)
{
this.placedSurfaces = new ArrayList(cloneMe.placedSurfaces.Count);
foreach (PlacedSurface ps in cloneMe.placedSurfaces)
{
this.placedSurfaces.Add(ps.Clone());
}
this.region = (PdnRegion)cloneMe.Region.Clone();
}
private void Changed()
{
if (regionCache != null)
{
lock (regionCache.SyncRoot)
{
regionCache.Dispose();
regionCache = null;
}
}
}
private PdnRegion(PdnRegion pdnRegion)
{
lock (pdnRegion.SyncRoot)
{
this.gdiRegion = pdnRegion.gdiRegion.Clone();
this.changed = pdnRegion.changed;
this.cachedArea = pdnRegion.cachedArea;
this.cachedRectsF = pdnRegion.cachedRectsF;
this.cachedRects = pdnRegion.cachedRects;
}
}
public void Union(RectangleF[] rectsF)
{
lock (SyncRoot)
{
Changed();
using (PdnRegion tempRegion = Utility.RectanglesToRegion(rectsF))
{
this.Union(tempRegion);
}
}
}
public PdnGraphicsPath CreatePixelatedPath()
{
using (PdnGraphicsPath path = CreatePath())
//PdnGraphicsPath path = GetPathReadOnly();
{
using (PdnRegion region = new PdnRegion(path))
{
PdnGraphicsPath pixellatedPath = PdnGraphicsPath.FromRegion(region);
return(pixellatedPath);
}
}
}
/// <summary>
/// Causes the layer to render a given region of interest (roi) to the given destination surface.
/// </summary>
/// <param name="args">Contains information about which objects to use for rendering</param>
/// <param name="roi">The region to be rendered.</param>
public void Render(RenderArgs args, PdnRegion roi)
{
Rectangle roiBounds = roi.GetBoundsInt();
if (!IsInBounds(roiBounds))
{
throw new ArgumentOutOfRangeException("roi");
}
Rectangle[] rects = roi.GetRegionScansReadOnlyInt();
RenderImpl(args, rects);
}
public void OnDeserialization(object sender)
{
region = PdnRegion.CreateEmpty();
Rectangle[] rects = new Rectangle[placedSurfaces.Count];
for (int i = 0; i < placedSurfaces.Count; ++i)
{
rects[i] = ((PlacedSurface)placedSurfaces[i]).Bounds;
}
region = Utility.RectanglesToRegion(rects);
}
protected virtual void Dispose(bool disposing)
{
Debug.Assert(!this.active, "Tool is still active!");
if (disposing)
{
if (this.saveRegion != null)
{
this.saveRegion.Dispose();
this.saveRegion = null;
}
OnDisposed();
}
}
private void Deactivate()
{
Debug.Assert(this.active != false, "not active!");
this.active = false;
Selection.Changing -= new EventHandler(SelectionChangingHandler);
Selection.Changed -= new EventHandler(SelectionChangedHandler);
HistoryStack.ExecutingHistoryMemento -= new ExecutingHistoryMementoEventHandler(ExecutingHistoryMemento);
HistoryStack.ExecutedHistoryMemento -= new ExecutedHistoryMementoEventHandler(ExecutedHistoryMemento);
HistoryStack.FinishedStepGroup -= new EventHandler(FinishedHistoryStepGroup);
OnDeactivate();
this.RendererList.Remove(this.trackingNub);
this.trackingNub.Dispose();
this.trackingNub = null;
DocumentWorkspace.ReturnScratchSurface(this.scratchSurface);
this.scratchSurface = null;
if (this.saveRegion != null)
{
this.saveRegion.Dispose();
this.saveRegion = null;
}
this.savedTiles = null;
if (this.handCursor != null)
{
this.handCursor.Dispose();
this.handCursor = null;
}
if (this.handCursorMouseDown != null)
{
this.handCursorMouseDown.Dispose();
this.handCursorMouseDown = null;
}
if (this.handCursorInvalid != null)
{
this.handCursorInvalid.Dispose();
this.handCursorInvalid = null;
}
}
/// <summary>
/// Constructs an IrregularSurface 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 IrregularSurface(Surface source, PdnRegion roi)
{
PdnRegion roiClipped = (PdnRegion)roi.Clone();
roiClipped.Intersect(source.Bounds);
Rectangle[] rects = roiClipped.GetRegionScansReadOnlyInt();
this.placedSurfaces = new ArrayList(rects.Length);
foreach (Rectangle rect in rects)
{
this.placedSurfaces.Add(new PlacedSurface(source, rect));
}
this.region = roiClipped;
}
