// returns null to indicate user cancelled, or if initialNewSize = newSize that the user requested,
// or if there was an error (out of memory)
public static Document ResizeDocument(IWin32Window parent,
Document document,
Size initialNewSize,
AnchorEdge initialAnchor,
ColorBgra background,
bool loadAndSaveMaintainAspect,
bool saveAnchor)
{
using (CanvasSizeDialog csd = new CanvasSizeDialog())
{
bool maintainAspect;
if (loadAndSaveMaintainAspect)
{
maintainAspect = Settings.CurrentUser.GetBoolean(SettingNames.LastMaintainAspectRatioCS, false);
}
else
{
maintainAspect = false;
}
csd.OriginalSize = document.Size;
csd.OriginalDpuUnit = document.DpuUnit;
csd.OriginalDpu = document.DpuX;
csd.ImageWidth = initialNewSize.Width;
csd.ImageHeight = initialNewSize.Height;
csd.LayerCount = document.Layers.Count;
csd.AnchorEdge = initialAnchor;
csd.Units = csd.OriginalDpuUnit;
csd.Resolution = document.DpuX;
csd.Units = SettingNames.GetLastNonPixelUnits();
csd.ConstrainToAspect = maintainAspect;
DialogResult result = csd.ShowDialog(parent);
Size newSize = new Size(csd.ImageWidth, csd.ImageHeight);
MeasurementUnit newDpuUnit = csd.Units;
double newDpu = csd.Resolution;
// If they cancelled, get out
if (result == DialogResult.Cancel)
{
return(null);
}
// If they clicked OK, then we save the aspect checkbox, and maybe the anchor
if (loadAndSaveMaintainAspect)
{
Settings.CurrentUser.SetBoolean(SettingNames.LastMaintainAspectRatioCS, csd.ConstrainToAspect);
}
if (saveAnchor)
{
Settings.CurrentUser.SetString(SettingNames.LastCanvasSizeAnchorEdge, csd.AnchorEdge.ToString());
}
if (newSize == document.Size && newDpuUnit == document.DpuUnit && newDpu == document.DpuX)
{
return(null);
}
try
{
Utility.GCFullCollect();
Document newDoc = ResizeDocument(document, newSize, csd.AnchorEdge, background);
newDoc.DpuUnit = newDpuUnit;
newDoc.DpuX = newDpu;
newDoc.DpuY = newDpu;
return(newDoc);
}
catch (OutOfMemoryException)
{
Utility.ErrorBox(parent, PdnResources.GetString("CanvasSizeAction.ResizeDocument.OutOfMemory"));
return(null);
}
catch
{
return(null);
}
}
}
public override void PerformAction(AppWorkspace appWorkspace)
{
using (NewFileDialog nfd = new NewFileDialog())
{
Size newDocSize = appWorkspace.GetNewDocumentSize();
if (Utility.IsClipboardImageAvailable())
{
try
{
Utility.GCFullCollect();
IDataObject clipData = System.Windows.Forms.Clipboard.GetDataObject();
using (Image clipImage = (Image)clipData.GetData(DataFormats.Bitmap))
{
int width2 = clipImage.Width;
int height2 = clipImage.Height;
newDocSize = new Size(width2, height2);
}
}
catch (Exception ex)
{
if (ex is OutOfMemoryException ||
ex is ExternalException ||
ex is NullReferenceException)
{
// ignore
}
else
{
throw;
}
}
}
nfd.OriginalSize = new Size(newDocSize.Width, newDocSize.Height);
nfd.OriginalDpuUnit = SettingNames.GetLastNonPixelUnits();
nfd.OriginalDpu = Document.GetDefaultDpu(nfd.OriginalDpuUnit);
nfd.Units = nfd.OriginalDpuUnit;
nfd.Resolution = nfd.OriginalDpu;
nfd.ConstrainToAspect = Settings.CurrentUser.GetBoolean(SettingNames.LastMaintainAspectRatioNF, false);
DialogResult dr = nfd.ShowDialog(appWorkspace);
if (dr == DialogResult.OK)
{
bool success = appWorkspace.CreateBlankDocumentInNewWorkspace(new Size(nfd.ImageWidth, nfd.ImageHeight), nfd.Units, nfd.Resolution, false);
if (success)
{
appWorkspace.ActiveDocumentWorkspace.ZoomBasis = ZoomBasis.FitToWindow;
Settings.CurrentUser.SetBoolean(SettingNames.LastMaintainAspectRatioNF, nfd.ConstrainToAspect);
if (nfd.Units != MeasurementUnit.Pixel)
{
Settings.CurrentUser.SetString(SettingNames.LastNonPixelUnits, nfd.Units.ToString());
}
if (appWorkspace.Units != MeasurementUnit.Pixel)
{
appWorkspace.Units = nfd.Units;
}
}
}
}
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
int newWidth;
int newHeight;
double newDpu;
MeasurementUnit newDpuUnit;
string resamplingAlgorithm = Settings.CurrentUser.GetString(SettingNames.LastResamplingMethod,
ResamplingAlgorithm.SuperSampling.ToString());
ResamplingAlgorithm alg;
try
{
alg = (ResamplingAlgorithm)Enum.Parse(typeof(ResamplingAlgorithm), resamplingAlgorithm, true);
}
catch
{
alg = ResamplingAlgorithm.SuperSampling;
}
bool maintainAspect = Settings.CurrentUser.GetBoolean(SettingNames.LastMaintainAspectRatio, true);
using (ResizeDialog rd = new ResizeDialog())
{
rd.OriginalSize = documentWorkspace.Document.Size;
rd.OriginalDpuUnit = documentWorkspace.Document.DpuUnit;
rd.OriginalDpu = documentWorkspace.Document.DpuX;
rd.ImageHeight = documentWorkspace.Document.Height;
rd.ImageWidth = documentWorkspace.Document.Width;
rd.ResamplingAlgorithm = alg;
rd.LayerCount = documentWorkspace.Document.Layers.Count;
rd.Units = rd.OriginalDpuUnit;
rd.Resolution = documentWorkspace.Document.DpuX;
rd.Units = SettingNames.GetLastNonPixelUnits();
rd.ConstrainToAspect = maintainAspect;
DialogResult result = rd.ShowDialog(documentWorkspace);
if (result == DialogResult.Cancel)
{
return(null);
}
Settings.CurrentUser.SetString(SettingNames.LastResamplingMethod, rd.ResamplingAlgorithm.ToString());
Settings.CurrentUser.SetBoolean(SettingNames.LastMaintainAspectRatio, rd.ConstrainToAspect);
newDpuUnit = rd.Units;
newWidth = rd.ImageWidth;
newHeight = rd.ImageHeight;
newDpu = rd.Resolution;
alg = rd.ResamplingAlgorithm;
if (newDpuUnit != MeasurementUnit.Pixel)
{
Settings.CurrentUser.SetString(SettingNames.LastNonPixelUnits, newDpuUnit.ToString());
if (documentWorkspace.AppWorkspace.Units != MeasurementUnit.Pixel)
{
documentWorkspace.AppWorkspace.Units = newDpuUnit;
}
}
// if the new size equals the old size, there's really no point in doing anything
if (documentWorkspace.Document.Size == new Size(rd.ImageWidth, rd.ImageHeight) &&
documentWorkspace.Document.DpuX == newDpu &&
documentWorkspace.Document.DpuUnit == newDpuUnit)
{
return(null);
}
}
HistoryMemento ha;
if (newWidth == documentWorkspace.Document.Width &&
newHeight == documentWorkspace.Document.Height)
{
// Only adjusting Dpu or DpuUnit
ha = new MetaDataHistoryMemento(StaticName, StaticImage, documentWorkspace);
documentWorkspace.Document.DpuUnit = newDpuUnit;
documentWorkspace.Document.DpuX = newDpu;
documentWorkspace.Document.DpuY = newDpu;
}
else
{
try
{
using (new WaitCursorChanger(documentWorkspace))
{
ha = new ReplaceDocumentHistoryMemento(StaticName, StaticImage, documentWorkspace);
}
Document newDocument = new Document(newWidth, newHeight);
newDocument.ReplaceMetaDataFrom(documentWorkspace.Document);
newDocument.DpuUnit = newDpuUnit;
newDocument.DpuX = newDpu;
newDocument.DpuY = newDpu;
ResizeProgressDialog rpd = new ResizeProgressDialog(documentWorkspace, newDocument, documentWorkspace.Document, new Size(newWidth, newHeight), alg);
Utility.GCFullCollect();
bool result = rpd.DoResize();
if (!result)
{
return(null);
}
documentWorkspace.Document = newDocument;
}
catch (WorkerThreadException ex)
{
if (ex.InnerException is OutOfMemoryException)
{
Utility.ErrorBox(documentWorkspace, PdnResources.GetString("ResizeAction.PerformAction.OutOfMemory"));
return(null);
}
else
{
throw;
}
}
catch (OutOfMemoryException)
{
Utility.ErrorBox(documentWorkspace, PdnResources.GetString("ResizeAction.PerformAction.OutOfMemory"));
return(null);
}
}
return(ha);
}