protected override HistoryMemento OnUndo()
{
ReplaceDocumentHistoryMemento ha = new ReplaceDocumentHistoryMemento(Name, Image, this.historyWorkspace);
this.historyWorkspace.Document = ((ReplaceDocumentHistoryMementoData)Data).OldDocument;
return(ha);
}
protected override HistoryMemento OnUndo(ProgressEventHandler progressCallback)
{
ReplaceDocumentHistoryMemento memento = new ReplaceDocumentHistoryMemento(base.Name, base.Image, this.historyWorkspace);
this.historyWorkspace.Document = ((ReplaceDocumentHistoryMementoData)base.Data).OldDocument;
return(memento);
}
private HistoryMemento DoCanvasResize(DocumentWorkspace documentWorkspace, Size newLayerSize)
{
HistoryMemento retHA;
int layerIndex = documentWorkspace.ActiveLayerIndex;
Size newSize = new Size(Math.Max(newLayerSize.Width, documentWorkspace.Document.Width),
Math.Max(newLayerSize.Height, documentWorkspace.Document.Height));
Document newDoc;
try
{
using (new WaitCursorChanger(documentWorkspace))
{
Utility.GCFullCollect();
newDoc = CanvasSizeAction.ResizeDocument(documentWorkspace.Document, newSize,
AnchorEdge.TopLeft, documentWorkspace.AppWorkspace.AppEnvironment.SecondaryColor);
}
}
catch (OutOfMemoryException)
{
Utility.ErrorBox(documentWorkspace, PdnResources.GetString("ImportFromFileAction.AskForCanvasResize.OutOfMemory"));
newDoc = null;
}
if (newDoc == null)
{
retHA = null;
}
else
{
retHA = new ReplaceDocumentHistoryMemento(string.Empty, null, documentWorkspace);
using (new WaitCursorChanger(documentWorkspace))
{
documentWorkspace.Document = newDoc;
}
documentWorkspace.ActiveLayer = (Layer)documentWorkspace.Document.Layers[layerIndex];
}
return retHA;
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
object savedSelection = null;
List<HistoryMemento> actions = new List<HistoryMemento>();
if (!historyWorkspace.Selection.IsEmpty)
{
savedSelection = historyWorkspace.Selection.Save();
DeselectFunction da = new DeselectFunction();
HistoryMemento hm = da.Execute(historyWorkspace);
actions.Add(hm);
}
ReplaceDocumentHistoryMemento rdha = new ReplaceDocumentHistoryMemento(null, null, historyWorkspace);
actions.Add(rdha);
CompoundHistoryMemento chm = new CompoundHistoryMemento(
StaticName,
PdnResources.GetImageResource("Icons.MenuImageFlattenIcon.png"),
actions);
// TODO: we can save memory here by serializing, then flattening on to an existing layer
Document flat = historyWorkspace.Document.Flatten();
EnterCriticalRegion();
historyWorkspace.Document = flat;
if (savedSelection != null)
{
SelectionHistoryMemento shm = new SelectionHistoryMemento(null, null, historyWorkspace);
historyWorkspace.Selection.Restore(savedSelection);
chm.PushNewAction(shm);
}
return chm;
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
int newWidth;
int newHeight;
// Get new width and Height
switch (rotation)
{
case RotateType.Clockwise90:
case RotateType.Clockwise270:
case RotateType.CounterClockwise90:
case RotateType.CounterClockwise270:
newWidth = historyWorkspace.Document.Height;
newHeight = historyWorkspace.Document.Width;
break;
case RotateType.Clockwise180:
case RotateType.CounterClockwise180:
newWidth = historyWorkspace.Document.Width;
newHeight = historyWorkspace.Document.Height;
break;
default:
throw new InvalidEnumArgumentException("invalid RotateType");
}
// Figure out which icon and text to use
string iconResName;
string suffix;
switch (rotation)
{
case RotateType.Clockwise180:
iconResName = "Icons.MenuImageRotate180CWIcon.png";
suffix = PdnResources.GetString("RotateAction.180CW");
break;
case RotateType.Clockwise270:
iconResName = "Icons.MenuImageRotate270CWIcon.png";
suffix = PdnResources.GetString("RotateAction.270CW");
break;
case RotateType.Clockwise90:
iconResName = "Icons.MenuImageRotate90CWIcon.png";
suffix = PdnResources.GetString("RotateAction.90CW");
break;
case RotateType.CounterClockwise180:
iconResName = "Icons.MenuImageRotate180CCWIcon.png";
suffix = PdnResources.GetString("RotateAction.180CCW");
break;
case RotateType.CounterClockwise270:
iconResName = "Icons.MenuImageRotate270CCWIcon.png";
suffix = PdnResources.GetString("RotateAction.270CCW");
break;
case RotateType.CounterClockwise90:
iconResName = "Icons.MenuImageRotate90CCWIcon.png";
suffix = PdnResources.GetString("RotateAction.90CCW");
break;
default:
throw new InvalidEnumArgumentException("invalid RotateType");
}
// Initialize the new Doc
string haNameFormat = PdnResources.GetString("RotateAction.HistoryMementoName.Format");
string haName = string.Format(haNameFormat, StaticName, suffix);
ImageResource haImage = ImageResource.Get(iconResName);
List<HistoryMemento> actions = new List<HistoryMemento>();
// do the memory allocation now: if this fails, we can still bail out cleanly
Document newDoc = new Document(newWidth, newHeight);
if (!historyWorkspace.Selection.IsEmpty)
{
DeselectFunction da = new DeselectFunction();
EnterCriticalRegion();
HistoryMemento hm = da.Execute(historyWorkspace);
actions.Add(hm);
}
ReplaceDocumentHistoryMemento rdha = new ReplaceDocumentHistoryMemento(null, null, historyWorkspace);
actions.Add(rdha);
newDoc.ReplaceMetaDataFrom(historyWorkspace.Document);
// TODO: serialize oldDoc to disk, and let the GC purge it if needed
OnProgress(0.0);
for (int i = 0; i < historyWorkspace.Document.Layers.Count; ++i)
{
Layer layer = historyWorkspace.Document.Layers.GetAt(i);
double progressStart = 100.0 * ((double)i / (double)historyWorkspace.Document.Layers.Count);
double progressEnd = 100.0 * ((double)(i + 1) / (double)historyWorkspace.Document.Layers.Count);
if (layer is BitmapLayer)
{
Layer nl = RotateLayer((BitmapLayer)layer, rotation, newWidth, newHeight, progressStart, progressEnd);
newDoc.Layers.Add(nl);
}
else
{
throw new InvalidOperationException("Cannot Rotate non-BitmapLayers");
}
if (this.PleaseCancel)
{
break;
}
OnProgress(progressEnd);
}
CompoundHistoryMemento chm = new CompoundHistoryMemento(
haName,
haImage,
actions);
if (this.PleaseCancel)
{
chm = null;
}
else
{
EnterCriticalRegion();
historyWorkspace.Document = newDoc;
}
return chm;
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
AnchorEdge initialEdge = PdnSettings.GetLastCanvasSizeAnchorEdge();
Document newDoc = ResizeDocument(
documentWorkspace.FindForm(),
documentWorkspace.Document,
documentWorkspace.Document.Size,
initialEdge,
documentWorkspace.AppWorkspace.AppEnvironment.SecondaryColor,
true,
true);
if (newDoc != null)
{
using (new PushNullToolMode(documentWorkspace))
{
if (newDoc.DpuUnit != MeasurementUnit.Pixel)
{
Settings.CurrentUser.SetString(PdnSettings.LastNonPixelUnits, newDoc.DpuUnit.ToString());
if (documentWorkspace.AppWorkspace.Units != MeasurementUnit.Pixel)
{
documentWorkspace.AppWorkspace.Units = newDoc.DpuUnit;
}
}
ReplaceDocumentHistoryMemento rdha = new ReplaceDocumentHistoryMemento(StaticName, StaticImage, documentWorkspace);
documentWorkspace.Document = newDoc;
return rdha;
}
}
else
{
return null;
}
}
/// <summary>
/// Pastes from the clipboard into the document.
/// </summary>
/// <returns>true if the paste operation completed, false if there was an error or if it was cancelled for some reason</returns>
public bool PerformAction()
{
SurfaceForClipboard surfaceForClipboard = null;
IDataObject clipData = null;
try
{
Utility.GCFullCollect();
clipData = Clipboard.GetDataObject();
}
catch (ExternalException)
{
Utility.ErrorBox(this.documentWorkspace, PdnResources.GetString("PasteAction.Error.TransferFromClipboard"));
return false;
}
catch (OutOfMemoryException)
{
Utility.ErrorBox(this.documentWorkspace, PdnResources.GetString("PasteAction.Error.OutOfMemory"));
return false;
}
// First "ask" the current tool if it wants to handle it
bool handledByTool = false;
if (this.documentWorkspace.Tool != null)
{
this.documentWorkspace.Tool.PerformPaste(clipData, out handledByTool);
}
if (handledByTool)
{
return true;
}
if (clipData.GetDataPresent(typeof(SurfaceForClipboard)))
{
try
{
Utility.GCFullCollect();
surfaceForClipboard = clipData.GetData(typeof(SurfaceForClipboard)) as SurfaceForClipboard;
}
catch (OutOfMemoryException)
{
Utility.ErrorBox(this.documentWorkspace, PdnResources.GetString("PasteAction.Error.OutOfMemory"));
return false;
}
}
if (surfaceForClipboard != null && surfaceForClipboard.MaskedSurface.IsDisposed)
{
// Have been getting crash reports where sfc contains a disposed MaskedSurface ...
surfaceForClipboard = null;
}
if (surfaceForClipboard == null &&
clipData.GetDataPresent(DataFormats.Bitmap))
{
Image image;
try
{
Utility.GCFullCollect();
image = (Image)clipData.GetData(DataFormats.Bitmap);
}
catch (OutOfMemoryException)
{
Utility.ErrorBox(this.documentWorkspace, PdnResources.GetString("PasteAction.Error.OutOfMemory"));
return false;
}
// Sometimes we get weird errors if we're in, say, 16-bit mode but the image was copied
// to the clipboard in 32-bit mode
if (image == null)
{
Utility.ErrorBox(this.documentWorkspace, PdnResources.GetString("PasteAction.Error.NotRecognized"));
return false;
}
MaskedSurface maskedSurface = null;
try
{
Utility.GCFullCollect();
Bitmap bitmap;
Surface surface = null;
if (image is Bitmap)
{
bitmap = (Bitmap)image;
image = null;
}
else
{
bitmap = new Bitmap(image);
image.Dispose();
}
surface = Surface.CopyFromBitmap(bitmap);
bitmap.Dispose();
bitmap = null;
maskedSurface = new MaskedSurface(surface, new PdnRegion(surface.Bounds));
surface.Dispose();
surface = null;
}
catch (Exception)
{
Utility.ErrorBox(this.documentWorkspace, PdnResources.GetString("PasteAction.Error.OutOfMemory"));
return false;
}
surfaceForClipboard = new SurfaceForClipboard(maskedSurface);
}
if (surfaceForClipboard == null || surfaceForClipboard.MaskedSurface == null)
{
// silently fail: like what if a program overwrote the clipboard in between the time
// we enabled the "Paste" menu item and the user actually clicked paste?
// it could happen!
Utility.ErrorBox(this.documentWorkspace, PdnResources.GetString("PasteAction.Error.NoImage"));
return false;
}
// If the image is larger than the document, ask them if they'd like to make the image larger first
Rectangle bounds = surfaceForClipboard.Bounds;
if (bounds.Width > this.documentWorkspace.Document.Width ||
bounds.Height > this.documentWorkspace.Document.Height)
{
DialogResult dr = MessageBox.Show(
this.documentWorkspace,
PdnResources.GetString("PasteAction.Question.ExpandCanvas"),
PdnInfo.GetAppName(),
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question);
int layerIndex = this.documentWorkspace.ActiveLayerIndex;
switch (dr)
{
case DialogResult.Yes:
Size newSize = new Size(Math.Max(bounds.Width, this.documentWorkspace.Document.Width),
Math.Max(bounds.Height, this.documentWorkspace.Document.Height));
Document newDoc = CanvasSizeAction.ResizeDocument(
this.documentWorkspace.Document,
newSize,
AnchorEdge.TopLeft,
this.documentWorkspace.AppWorkspace.AppEnvironment.SecondaryColor);
if (newDoc == null)
{
return false; // user clicked cancel!
}
else
{
HistoryMemento rdha = new ReplaceDocumentHistoryMemento(
CanvasSizeAction.StaticName,
CanvasSizeAction.StaticImage,
this.documentWorkspace);
this.documentWorkspace.Document = newDoc;
this.documentWorkspace.History.PushNewMemento(rdha);
this.documentWorkspace.ActiveLayer = (Layer)this.documentWorkspace.Document.Layers[layerIndex];
}
break;
case DialogResult.No:
break;
case DialogResult.Cancel:
return false;
default:
throw new InvalidEnumArgumentException("Internal error: DialogResult was neither Yes, No, nor Cancel");
}
}
// Decide where to paste to: If the paste is within bounds of the document, do as normal
// Otherwise, center it.
Rectangle docBounds = this.documentWorkspace.Document.Bounds;
Rectangle intersect1 = Rectangle.Intersect(docBounds, bounds);
bool doMove = intersect1 != bounds; //intersect1.IsEmpty;
Point pasteOffset;
if (doMove)
{
pasteOffset = new Point(-bounds.X + (docBounds.Width / 2) - (bounds.Width / 2),
-bounds.Y + (docBounds.Height / 2) - (bounds.Height / 2));
}
else
{
pasteOffset = new Point(0, 0);
}
// Paste to the place it was originally copied from (for PDN-to-PDN transfers)
// and then if its not pasted within the viewable rectangle we pan to that location
RectangleF visibleDocRectF = this.documentWorkspace.VisibleDocumentRectangleF;
Rectangle visibleDocRect = Utility.RoundRectangle(visibleDocRectF);
Rectangle bounds2 = new Rectangle(new Point(bounds.X + pasteOffset.X, bounds.Y + pasteOffset.Y), bounds.Size);
Rectangle intersect2 = Rectangle.Intersect(bounds2, visibleDocRect);
bool doPan = intersect2.IsEmpty;
this.documentWorkspace.SetTool(null);
this.documentWorkspace.SetToolFromType(typeof(MoveTool));
((MoveTool)this.documentWorkspace.Tool).PasteMouseDown(surfaceForClipboard, pasteOffset);
if (doPan)
{
Point centerPtView = new Point(visibleDocRect.Left + (visibleDocRect.Width / 2),
visibleDocRect.Top + (visibleDocRect.Height / 2));
Point centerPtPasted = new Point(bounds2.Left + (bounds2.Width / 2),
bounds2.Top + (bounds2.Height / 2));
Size delta = new Size(centerPtPasted.X - centerPtView.X,
centerPtPasted.Y - centerPtView.Y);
PointF docScrollPos = this.documentWorkspace.DocumentScrollPositionF;
PointF newDocScrollPos = new PointF(docScrollPos.X + delta.Width,
docScrollPos.Y + delta.Height);
this.documentWorkspace.DocumentScrollPositionF = newDocScrollPos;
}
return true;
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
if (historyWorkspace.Selection.IsEmpty)
{
return null;
}
else
{
PdnRegion selectionRegion = historyWorkspace.Selection.CreateRegion();
if (selectionRegion.GetArea() == 0)
{
selectionRegion.Dispose();
return null;
}
SelectionHistoryMemento sha = new SelectionHistoryMemento(StaticName, null, historyWorkspace);
ReplaceDocumentHistoryMemento rdha = new ReplaceDocumentHistoryMemento(StaticName, null, historyWorkspace);
Rectangle boundingBox;
Rectangle[] inverseRegionRects = null;
boundingBox = Utility.GetRegionBounds(selectionRegion);
using (PdnRegion inverseRegion = new PdnRegion(boundingBox))
{
inverseRegion.Exclude(selectionRegion);
inverseRegionRects = Utility.TranslateRectangles(
inverseRegion.GetRegionScansReadOnlyInt(),
-boundingBox.X,
-boundingBox.Y);
}
selectionRegion.Dispose();
selectionRegion = null;
Document oldDocument = historyWorkspace.Document; // TODO: serialize this to disk so we don't *have* to store the full thing
Document newDocument = new Document(boundingBox.Width, boundingBox.Height);
// copy the document's meta data over
newDocument.ReplaceMetaDataFrom(oldDocument);
foreach (Layer layer in oldDocument.Layers)
{
if (layer is BitmapLayer)
{
BitmapLayer oldLayer = (BitmapLayer)layer;
Surface croppedSurface = oldLayer.Surface.CreateWindow(boundingBox);
BitmapLayer newLayer = new BitmapLayer(croppedSurface);
ColorBgra clearWhite = ColorBgra.White.NewAlpha(0);
foreach (Rectangle rect in inverseRegionRects)
{
newLayer.Surface.Clear(rect, clearWhite);
}
newLayer.LoadProperties(oldLayer.SaveProperties());
newDocument.Layers.Add(newLayer);
}
else
{
throw new InvalidOperationException("Crop does not support Layers that are not BitmapLayers");
}
}
CompoundHistoryMemento cha = new CompoundHistoryMemento(
StaticName,
PdnResources.GetImageResource("Icons.MenuImageCropIcon.png"),
new HistoryMemento[] { sha, rdha });
EnterCriticalRegion();
historyWorkspace.Document = newDocument;
return cha;
}
}
protected override HistoryMemento OnUndo()
{
ReplaceDocumentHistoryMemento ha = new ReplaceDocumentHistoryMemento(Name, Image, this.historyWorkspace);
this.historyWorkspace.Document = ((ReplaceDocumentHistoryMementoData)Data).OldDocument;
return ha;
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
int newWidth;
int newHeight;
double newDpu;
MeasurementUnit newDpuUnit;
string resamplingAlgorithm = Settings.CurrentUser.GetString(PdnSettings.LastResamplingMethod,
ResamplingAlgorithm.SuperSampling.ToString());
ResamplingAlgorithm alg;
try
{
alg = (ResamplingAlgorithm)Enum.Parse(typeof(ResamplingAlgorithm), resamplingAlgorithm, true);
}
catch
{
alg = ResamplingAlgorithm.SuperSampling;
}
bool maintainAspect = Settings.CurrentUser.GetBoolean(PdnSettings.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 = PdnSettings.GetLastNonPixelUnits();
rd.ConstrainToAspect = maintainAspect;
DialogResult result = rd.ShowDialog(documentWorkspace);
if (result == DialogResult.Cancel)
{
return null;
}
Settings.CurrentUser.SetString(PdnSettings.LastResamplingMethod, rd.ResamplingAlgorithm.ToString());
Settings.CurrentUser.SetBoolean(PdnSettings.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(PdnSettings.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;
}
