private static Document ResizeDocument(DocumentWorkspace documentWorkspace, AnchorEdge initialAnchor, ColorBgra background, bool loadAndSaveMaintainAspect, bool saveAnchor)
{
Document document2;
CleanupManager.RequestCleanup();
IWin32Window owner = documentWorkspace;
Document document = documentWorkspace.Document;
Size size = document.Size;
using (CanvasSizeDialog dialog = new CanvasSizeDialog())
{
bool flag;
if (loadAndSaveMaintainAspect)
{
flag = AppSettings.Instance.Workspace.LastMaintainAspectRatioCS.Value;
}
else
{
flag = false;
}
dialog.OriginalSize = document.Size;
dialog.OriginalDpuUnit = document.DpuUnit;
dialog.OriginalDpu = document.DpuX;
dialog.ImageWidth = size.Width;
dialog.ImageHeight = size.Height;
dialog.LayerCount = document.Layers.Count;
dialog.AnchorEdge = initialAnchor;
dialog.Units = dialog.OriginalDpuUnit;
dialog.Resolution = document.DpuX;
dialog.Units = AppSettings.Instance.Workspace.LastNonPixelUnits.Value;
dialog.ConstrainToAspect = flag;
DialogResult result = dialog.ShowDialog(owner);
Size newSize = new Size(dialog.ImageWidth, dialog.ImageHeight);
MeasurementUnit units = dialog.Units;
double resolution = dialog.Resolution;
if (result == DialogResult.Cancel)
{
return(null);
}
if (loadAndSaveMaintainAspect)
{
AppSettings.Instance.Workspace.LastMaintainAspectRatioCS.Value = dialog.ConstrainToAspect;
}
if (saveAnchor)
{
AppSettings.Instance.Workspace.LastCanvasSizeAnchorEdge.Value = dialog.AnchorEdge;
}
if (((newSize == document.Size) && (units == document.DpuUnit)) && (resolution == document.DpuX))
{
document2 = null;
}
else
{
try
{
documentWorkspace.FlushTool();
CleanupManager.RequestCleanup();
Document document3 = ResizeDocument(document, newSize, dialog.AnchorEdge, background);
document3.DpuUnit = units;
document3.DpuX = resolution;
document3.DpuY = resolution;
document2 = document3;
}
catch (OutOfMemoryException exception)
{
ExceptionDialog.ShowErrorDialog(owner, PdnResources.GetString("CanvasSizeAction.ResizeDocument.OutOfMemory"), exception.ToString());
document2 = null;
}
catch (Exception)
{
document2 = null;
}
}
}
return(document2);
}
public override HistoryMemento PerformAction(DocumentWorkspace docWorkspace)
{
int newWidth;
int newHeight;
MeasurementUnit newDpuUnit;
double newDpu;
ResamplingAlgorithm algorithm = AppSettings.Instance.Workspace.LastResamplingMethod.Value;
if (algorithm == ResamplingAlgorithm.SuperSampling)
{
algorithm = ResamplingAlgorithm.Fant;
}
bool flag = AppSettings.Instance.Workspace.LastMaintainAspectRatio.Value;
using (ResizeDialog dialog = new ResizeDialog())
{
dialog.OriginalSize = docWorkspace.Document.Size;
dialog.OriginalDpuUnit = docWorkspace.Document.DpuUnit;
dialog.OriginalDpu = docWorkspace.Document.DpuX;
dialog.ImageHeight = docWorkspace.Document.Height;
dialog.ImageWidth = docWorkspace.Document.Width;
dialog.ResamplingAlgorithm = algorithm;
dialog.LayerCount = docWorkspace.Document.Layers.Count;
dialog.Units = dialog.OriginalDpuUnit;
dialog.Resolution = docWorkspace.Document.DpuX;
dialog.Units = AppSettings.Instance.Workspace.LastNonPixelUnits.Value;
dialog.ConstrainToAspect = flag;
if (dialog.ShowDialog(docWorkspace) == DialogResult.Cancel)
{
return(null);
}
AppSettings.Instance.Workspace.LastResamplingMethod.Value = dialog.ResamplingAlgorithm;
AppSettings.Instance.Workspace.LastMaintainAspectRatio.Value = dialog.ConstrainToAspect;
newDpuUnit = dialog.Units;
newWidth = dialog.ImageWidth;
newHeight = dialog.ImageHeight;
newDpu = dialog.Resolution;
algorithm = dialog.ResamplingAlgorithm;
if (newDpuUnit != MeasurementUnit.Pixel)
{
AppSettings.Instance.Workspace.LastNonPixelUnits.Value = newDpuUnit;
if (docWorkspace.AppWorkspace.Units != MeasurementUnit.Pixel)
{
docWorkspace.AppWorkspace.Units = newDpuUnit;
}
}
if (((docWorkspace.Document.Size == new Size(dialog.ImageWidth, dialog.ImageHeight)) && (docWorkspace.Document.DpuX == newDpu)) && (docWorkspace.Document.DpuUnit == newDpuUnit))
{
return(null);
}
}
if ((newWidth == docWorkspace.Document.Width) && (newHeight == docWorkspace.Document.Height))
{
MetadataHistoryMemento memento2 = new MetadataHistoryMemento(StaticName, PdnResources.GetImageResource(StaticImageName), docWorkspace);
docWorkspace.Document.DpuUnit = newDpuUnit;
docWorkspace.Document.DpuX = newDpu;
docWorkspace.Document.DpuY = newDpu;
return(memento2);
}
docWorkspace.FlushTool();
using (TaskProgressDialog progressDialog = new TaskProgressDialog())
{
