protected sealed override void OnExecute()
{
for (int i = 0; i < this.iterations; ++i)
{
EffectConfigToken localToken;
if (this.token == null)
{
localToken = null;
}
else
{
localToken = (EffectConfigToken)this.token.Clone();
}
RenderArgs srcArgs = new RenderArgs(image);
RenderArgs dstArgs = new RenderArgs(dst);
BackgroundEffectRenderer ber = new BackgroundEffectRenderer(effect, localToken, dstArgs, srcArgs, region,
25 * Processor.LogicalCpuCount, Processor.LogicalCpuCount);
ber.Start();
ber.Join();
ber.Dispose();
ber = null;
}
}
private bool DoEffect(Effect effect, EffectConfigToken token, PdnRegion selectedRegion,
PdnRegion regionToRender, Surface originalSurface)
{
bool oldDirtyValue = AppWorkspace.ActiveDocumentWorkspace.Document.Dirty;
bool resetDirtyValue = false;
bool returnVal = false;
AppWorkspace.ActiveDocumentWorkspace.EnableOutlineAnimation = false;
try
{
using (ProgressDialog aed = new ProgressDialog())
{
if (effect.Image != null)
{
aed.Icon = Utility.ImageToIcon(effect.Image, Utility.TransparentKey);
}
aed.Opacity = 0.9;
aed.Value = 0;
aed.Text = effect.Name;
aed.Description = string.Format(PdnResources.GetString("Effects.ApplyingDialog.Description"), effect.Name);
invalidateTimer.Enabled = true;
using (new WaitCursorChanger(AppWorkspace))
{
HistoryMemento ha = null;
DialogResult result = DialogResult.None;
AppWorkspace.Widgets.StatusBarProgress.ResetProgressStatusBar();
AppWorkspace.Widgets.LayerControl.SuspendLayerPreviewUpdates();
try
{
ManualResetEvent saveEvent = new ManualResetEvent(false);
BitmapHistoryMemento bha = null;
// perf bug #1445: save this data in a background thread
PdnRegion selectedRegionCopy = selectedRegion.Clone();
PaintDotNet.Threading.ThreadPool.Global.QueueUserWorkItem(
delegate(object context)
{
try
{
ImageResource image;
if (effect.Image == null)
{
image = null;
}
else
{
image = ImageResource.FromImage(effect.Image);
}
bha = new BitmapHistoryMemento(effect.Name, image, this.AppWorkspace.ActiveDocumentWorkspace,
this.AppWorkspace.ActiveDocumentWorkspace.ActiveLayerIndex, selectedRegionCopy, originalSurface);
}
finally
{
saveEvent.Set();
selectedRegionCopy.Dispose();
selectedRegionCopy = null;
}
});
BackgroundEffectRenderer ber = new BackgroundEffectRenderer(
effect,
token,
new RenderArgs(((BitmapLayer)AppWorkspace.ActiveDocumentWorkspace.ActiveLayer).Surface),
new RenderArgs(originalSurface),
regionToRender,
tilesPerCpu * renderingThreadCount,
renderingThreadCount);
aed.Tag = ber;
ber.RenderedTile += new RenderedTileEventHandler(aed.RenderedTileHandler);
ber.RenderedTile += new RenderedTileEventHandler(RenderedTileHandler);
ber.StartingRendering += new EventHandler(StartingRenderingHandler);
ber.FinishedRendering += new EventHandler(aed.FinishedRenderingHandler);
ber.FinishedRendering += new EventHandler(FinishedRenderingHandler);
ber.Start();
result = Utility.ShowDialog(aed, AppWorkspace);
if (result == DialogResult.Cancel)
{
resetDirtyValue = true;
using (new WaitCursorChanger(AppWorkspace))
{
ber.Abort();
ber.Join();
((BitmapLayer)AppWorkspace.ActiveDocumentWorkspace.ActiveLayer).Surface.CopySurface(originalSurface);
}
}
invalidateTimer.Enabled = false;
ber.Join();
ber.Dispose();
saveEvent.WaitOne();
saveEvent.Close();
saveEvent = null;
ha = bha;
}
catch
{
using (new WaitCursorChanger(AppWorkspace))
{
((BitmapLayer)AppWorkspace.ActiveDocumentWorkspace.ActiveLayer).Surface.CopySurface(originalSurface);
ha = null;
}
}
finally
{
AppWorkspace.Widgets.LayerControl.ResumeLayerPreviewUpdates();
}
using (PdnRegion simplifiedRenderRegion = Utility.SimplifyAndInflateRegion(selectedRegion))
{
using (new WaitCursorChanger(AppWorkspace))
{
AppWorkspace.ActiveDocumentWorkspace.ActiveLayer.Invalidate(simplifiedRenderRegion);
}
}
using (new WaitCursorChanger(AppWorkspace))
{
if (result == DialogResult.OK)
{
if (ha != null)
{
AppWorkspace.ActiveDocumentWorkspace.History.PushNewMemento(ha);
}
AppWorkspace.Update();
returnVal = true;
}
else
{
Utility.GCFullCollect();
}
}
} // using
} // using
}
finally
{
AppWorkspace.ActiveDocumentWorkspace.EnableOutlineAnimation = true;
if (resetDirtyValue)
{
AppWorkspace.ActiveDocumentWorkspace.Document.Dirty = oldDirtyValue;
}
}
AppWorkspace.Widgets.StatusBarProgress.EraseProgressStatusBarAsync();
return returnVal;
}
