public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
DateTime lastUpdate = DateTime.Now;
documentWorkspace.History.BeginStepGroup();
using (new WaitCursorChanger(documentWorkspace))
{
documentWorkspace.SuspendToolCursorChanges();
while (documentWorkspace.History.UndoStack.Count > 1)
{
documentWorkspace.History.StepBackward();
if ((DateTime.Now - lastUpdate).TotalMilliseconds >= 500)
{
documentWorkspace.History.EndStepGroup();
documentWorkspace.Update();
lastUpdate = DateTime.Now;
documentWorkspace.History.BeginStepGroup();
}
}
documentWorkspace.ResumeToolCursorChanges();
}
documentWorkspace.History.EndStepGroup();
Utility.GCFullCollect();
documentWorkspace.Document.Invalidate();
documentWorkspace.Update();
return(null);
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
DateTime lastUpdate = DateTime.Now;
documentWorkspace.History.BeginStepGroup();
using (new WaitCursorChanger(documentWorkspace))
{
documentWorkspace.SuspendToolCursorChanges();
while (documentWorkspace.History.RedoStack.Count > 0)
{
documentWorkspace.History.StepForward();
if ((DateTime.Now - lastUpdate).TotalMilliseconds >= 500)
{
documentWorkspace.History.EndStepGroup();
documentWorkspace.Update();
lastUpdate = DateTime.Now;
documentWorkspace.History.BeginStepGroup();
}
}
documentWorkspace.ResumeToolCursorChanges();
}
documentWorkspace.History.EndStepGroup();
Utility.GCFullCollect();
documentWorkspace.Document.Invalidate();
documentWorkspace.Update();
return null;
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
if (!ScanningAndPrinting.CanPrint)
{
Utility.ShowWiaError(documentWorkspace);
return null;
}
using (new PushNullToolMode(documentWorkspace))
{
// render image to a bitmap, save it to disk
Surface scratch = documentWorkspace.BorrowScratchSurface(this.GetType().Name + ".PerformAction()");
try
{
scratch.Clear();
RenderArgs ra = new RenderArgs(scratch);
documentWorkspace.Update();
using (new WaitCursorChanger(documentWorkspace))
{
ra.Surface.Clear(ColorBgra.White);
documentWorkspace.Document.Render(ra, false);
}
string tempName = Path.GetTempFileName() + ".bmp";
ra.Bitmap.Save(tempName, ImageFormat.Bmp);
try
{
ScanningAndPrinting.Print(documentWorkspace, tempName);
}
catch (Exception ex)
{
Utility.ShowWiaError(documentWorkspace);
Tracing.Ping(ex.ToString());
// TODO: do a "better" error dialog here
}
// Try to delete the temp file but don't worry if we can't
bool result = FileSystem.TryDeleteFile(tempName);
}
finally
{
documentWorkspace.ReturnScratchSurface(scratch);
}
}
return null;
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
if (!ScanningAndPrinting.CanPrint)
{
Utility.ShowWiaError(documentWorkspace);
return(null);
}
using (new PushNullToolMode(documentWorkspace))
{
// render image to a bitmap, save it to disk
Surface scratch = documentWorkspace.BorrowScratchSurface(this.GetType().Name + ".PerformAction()");
try
{
scratch.Clear();
RenderArgs ra = new RenderArgs(scratch);
documentWorkspace.Update();
using (new WaitCursorChanger(documentWorkspace))
{
ra.Surface.Clear(ColorBgra.White);
documentWorkspace.Document.Render(ra, false);
}
string tempName = Path.GetTempFileName() + ".bmp";
ra.Bitmap.Save(tempName, ImageFormat.Bmp);
try
{
ScanningAndPrinting.Print(documentWorkspace, tempName);
}
catch (Exception ex)
{
Utility.ShowWiaError(documentWorkspace);
Tracing.Ping(ex.ToString());
// TODO: do a "better" error dialog here
}
// Try to delete the temp file but don't worry if we can't
bool result = FileSystem.TryDeleteFile(tempName);
}
finally
{
documentWorkspace.ReturnScratchSurface(scratch);
}
}
return(null);
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
if (documentWorkspace.History.RedoStack.Count > 0)
{
if (!(documentWorkspace.History.RedoStack[documentWorkspace.History.RedoStack.Count - 1] is NullHistoryMemento))
{
using (new WaitCursorChanger(documentWorkspace.FindForm()))
{
documentWorkspace.History.StepForward();
documentWorkspace.Update();
}
}
Utility.GCFullCollect();
}
return null;
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
if (documentWorkspace.History.UndoStack.Count > 0)
{
if (!(documentWorkspace.History.UndoStack[documentWorkspace.History.UndoStack.Count - 1] is NullHistoryMemento))
{
using (new WaitCursorChanger(documentWorkspace.FindForm()))
{
documentWorkspace.History.StepBackward();
documentWorkspace.Update();
}
}
Utility.GCFullCollect();
}
return(null);
}
protected void Update()
{
DocumentWorkspace.Update();
}
public static HistoryFunctionResult ApplyFunction(this DocumentWorkspace dw, HistoryFunction function)
{
HistoryFunctionResult successNoOp;
bool flag = false;
if ((function.ActionFlags & ActionFlags.KeepToolActive) != ActionFlags.KeepToolActive)
{
dw.PushNullTool();
dw.Update();
flag = true;
}
try
{
using (new WaitCursorChanger(dw))
{
string localizedErrorText;
HistoryMemento memento = null;
Exception exception = null;
try
{
memento = function.Execute(dw);
if (memento == null)
{
successNoOp = HistoryFunctionResult.SuccessNoOp;
}
else
{
successNoOp = HistoryFunctionResult.Success;
}
localizedErrorText = null;
}
catch (HistoryFunctionNonFatalException exception2)
{
exception = exception2;
if (exception2.InnerException is OutOfMemoryException)
{
successNoOp = HistoryFunctionResult.OutOfMemory;
}
else
{
successNoOp = HistoryFunctionResult.NonFatalError;
}
if (exception2.LocalizedErrorText != null)
{
localizedErrorText = exception2.LocalizedErrorText;
}
else if (exception2.InnerException is OutOfMemoryException)
{
localizedErrorText = PdnResources.GetString("ExecuteFunction.GenericOutOfMemory");
}
else
{
localizedErrorText = PdnResources.GetString("ExecuteFunction.GenericError");
}
}
if ((localizedErrorText != null) && (exception != null))
{
ExceptionDialog.ShowErrorDialog(dw, localizedErrorText, exception);
}
else if ((localizedErrorText != null) && (exception == null))
{
MessageBoxUtil.ErrorBox(dw, localizedErrorText);
}
if (memento != null)
{
dw.History.PushNewMemento(memento);
}
}
}
finally
{
if (flag)
{
dw.PopNullTool();
}
}
return(successNoOp);
}
