protected override HistoryMemento OnUndo()
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(Name, Image, this.historyWorkspace);
this.historyWorkspace.Selection.Restore(this.savedSelectionData);
return(sha);
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
if (historyWorkspace.Selection.IsEmpty)
{
return null;
}
else
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(
StaticName,
StaticImage,
historyWorkspace);
PdnRegion selectedRegion = historyWorkspace.Selection.CreateRegion();
selectedRegion.Xor(historyWorkspace.Document.Bounds);
PdnGraphicsPath invertedSelection = PdnGraphicsPath.FromRegion(selectedRegion);
selectedRegion.Dispose();
EnterCriticalRegion();
historyWorkspace.Selection.PerformChanging();
historyWorkspace.Selection.Reset();
historyWorkspace.Selection.SetContinuation(invertedSelection, CombineMode.Xor, true);
historyWorkspace.Selection.CommitContinuation();
historyWorkspace.Selection.PerformChanged();
return sha;
}
}
protected override HistoryMemento OnUndo(ProgressEventHandler progressCallback)
{
SelectionHistoryMemento memento = new SelectionHistoryMemento(base.Name, base.Image, this.historyWorkspace);
SelectionHistoryMementoData data = (SelectionHistoryMementoData)base.Data;
SelectionData savedSelectionData = data.SavedSelectionData;
this.historyWorkspace.Selection.Restore(savedSelectionData);
return(memento);
}
protected override void OnFillRegionComputed(Point[][] polygonSet)
{
SelectionHistoryMemento undoAction = new SelectionHistoryMemento(this.Name, this.Image, this.DocumentWorkspace);
Selection.PerformChanging();
Selection.SetContinuation(polygonSet, this.combineMode);
Selection.CommitContinuation();
Selection.PerformChanged();
HistoryStack.PushNewMemento(undoAction);
}
protected override void Drop()
{
ContextHistoryMemento cha = new ContextHistoryMemento(this.DocumentWorkspace, this.context, this.Name, this.Image);
this.currentHistoryMementos.Add(cha);
SelectionHistoryMemento sha = new SelectionHistoryMemento(this.Name, this.Image, this.DocumentWorkspace);
this.currentHistoryMementos.Add(sha);
this.context.Dispose();
this.context = new Context();
this.FlushHistoryMementos(PdnResources.GetString("MoveSelectionTool.HistoryMemento.DropSelection"));
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
if (historyWorkspace.Selection.IsEmpty)
{
return null;
}
else
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(StaticName, StaticImage, historyWorkspace);
EnterCriticalRegion();
historyWorkspace.Selection.Reset();
return sha;
}
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(
StaticName,
PdnResources.GetImageResource("Icons.MenuEditSelectAllIcon.png"),
historyWorkspace);
EnterCriticalRegion();
historyWorkspace.Selection.PerformChanging();
historyWorkspace.Selection.Reset();
historyWorkspace.Selection.SetContinuation(historyWorkspace.Document.Bounds, CombineMode.Replace);
historyWorkspace.Selection.CommitContinuation();
historyWorkspace.Selection.PerformChanged();
return sha;
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
if (historyWorkspace.Selection.IsEmpty)
{
return null;
}
else
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(
StaticName,
StaticImage,
historyWorkspace);
//PdnGraphicsPath selectedPath = historyWorkspace.Selection.GetPathReadOnly();
PdnGraphicsPath selectedPath = historyWorkspace.Selection.CreatePath();
PdnGraphicsPath boundsOutline = new PdnGraphicsPath();
boundsOutline.AddRectangle(historyWorkspace.Document.Bounds);
PdnGraphicsPath clippedPath = PdnGraphicsPath.Combine(selectedPath, CombineMode.Intersect, boundsOutline);
PdnGraphicsPath invertedPath = PdnGraphicsPath.Combine(clippedPath, CombineMode.Xor, boundsOutline);
selectedPath.Dispose();
selectedPath = null;
clippedPath.Dispose();
clippedPath = null;
EnterCriticalRegion();
historyWorkspace.Selection.PerformChanging();
historyWorkspace.Selection.Reset();
historyWorkspace.Selection.SetContinuation(invertedPath, CombineMode.Replace, true);
historyWorkspace.Selection.CommitContinuation();
historyWorkspace.Selection.PerformChanged();
boundsOutline.Dispose();
boundsOutline = null;
return sha;
}
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
if (historyWorkspace.Selection.IsEmpty)
{
return null;
}
SelectionHistoryMemento shm = new SelectionHistoryMemento(string.Empty, null, historyWorkspace);
PdnRegion region = historyWorkspace.Selection.CreateRegion();
BitmapLayer layer = ((BitmapLayer)historyWorkspace.ActiveLayer);
PdnRegion simplifiedRegion = Utility.SimplifyAndInflateRegion(region);
HistoryMemento hm = new BitmapHistoryMemento(
null,
null,
historyWorkspace,
historyWorkspace.ActiveLayerIndex,
simplifiedRegion);
HistoryMemento chm = new CompoundHistoryMemento(
StaticName,
StaticImage,
new HistoryMemento[] { shm, hm });
EnterCriticalRegion();
layer.Surface.Clear(region, ColorBgra.FromBgra(255, 255, 255, 0));
layer.Invalidate(simplifiedRegion);
historyWorkspace.Document.Invalidate(simplifiedRegion);
simplifiedRegion.Dispose();
region.Dispose();
historyWorkspace.Selection.Reset();
return chm;
}
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)
{
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 void Drop()
{
RestoreSavedRegion();
PdnRegion regionCopy = Selection.CreateRegion();
using (PdnRegion simplifiedRegion = Utility.SimplifyAndInflateRegion(regionCopy,
Utility.DefaultSimplificationFactor, 2))
{
HistoryMemento bitmapAction2 = new BitmapHistoryMemento(Name, Image, DocumentWorkspace,
ActiveLayerIndex, simplifiedRegion);
bool oldHQ = this.fullQuality;
this.fullQuality = true;
Render(this.context.offset, true);
this.fullQuality = oldHQ;
this.currentHistoryMementos.Add(bitmapAction2);
activeLayer.Invalidate(simplifiedRegion);
Update();
}
regionCopy.Dispose();
regionCopy = null;
ContextHistoryMemento cha = new ContextHistoryMemento(this.DocumentWorkspace, this.ourContext, this.Name, this.Image);
this.currentHistoryMementos.Add(cha);
string name;
ImageResource image;
if (didPaste)
{
name = EnumLocalizer.EnumValueToLocalizedName(typeof(CommonAction), CommonAction.Paste);
image = PdnResources.GetImageResource("Icons.MenuEditPasteIcon.png");
}
else
{
name = this.Name;
image = this.Image;
}
didPaste = false;
SelectionHistoryMemento sha = new SelectionHistoryMemento(this.Name, this.Image, this.DocumentWorkspace);
this.currentHistoryMementos.Add(sha);
this.context.Dispose();
this.context = new MoveToolContext();
this.FlushHistoryMementos(PdnResources.GetString("MoveTool.HistoryMemento.DropPixels"));
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
this.Cursor = GetCursor();
if (tracking)
{
moveOriginMode = true;
lastXY = new Point(e.X, e.Y);
OnMouseMove(e);
}
else if ((e.Button & MouseButtons.Left) == MouseButtons.Left ||
(e.Button & MouseButtons.Right) == MouseButtons.Right)
{
tracking = true;
hasMoved = false;
startTime = DateTime.Now;
tracePoints = new List<Point>();
tracePoints.Add(new Point(e.X, e.Y));
undoAction = new SelectionHistoryMemento("sentinel", this.Image, DocumentWorkspace);
wasNotEmpty = !Selection.IsEmpty;
// Determine this.combineMode
if ((ModifierKeys & Keys.Control) != 0 && e.Button == MouseButtons.Left)
{
this.combineMode = CombineMode.Union;
}
else if ((ModifierKeys & Keys.Alt) != 0 && e.Button == MouseButtons.Left)
{
this.combineMode = CombineMode.Exclude;
}
else if ((ModifierKeys & Keys.Control) != 0 && e.Button == MouseButtons.Right)
{
this.combineMode = CombineMode.Xor;
}
else if ((ModifierKeys & Keys.Alt) != 0 && e.Button == MouseButtons.Right)
{
this.combineMode = CombineMode.Intersect;
}
else
{
this.combineMode = AppEnvironment.SelectionCombineMode;
}
DocumentWorkspace.EnableSelectionOutline = false;
this.newSelection.Reset();
PdnGraphicsPath basePath = Selection.CreatePath();
this.newSelection.SetContinuation(basePath, CombineMode.Replace, true);
this.newSelection.CommitContinuation();
bool newSelectionRendererVisible = true;
// Act on this.combineMode
switch (this.combineMode)
{
case CombineMode.Xor:
append = true;
Selection.ResetContinuation();
break;
case CombineMode.Union:
append = true;
Selection.ResetContinuation();
break;
case CombineMode.Exclude:
append = true;
Selection.ResetContinuation();
break;
case CombineMode.Replace:
append = false;
Selection.Reset();
break;
case CombineMode.Intersect:
append = true;
Selection.ResetContinuation();
break;
default:
throw new InvalidEnumArgumentException();
}
this.newSelectionRenderer.Visible = newSelectionRendererVisible;
}
}
/// <summary>
/// Provided as a special entry point so that Paste can work well.
/// </summary>
/// <param name="surface">What you want to paste.</param>
/// <param name="offset">Where you want to paste it.</param>
public void PasteMouseDown(SurfaceForClipboard sfc, Point offset)
{
if (this.context.lifted)
{
Drop();
}
MaskedSurface pixels = sfc.MaskedSurface;
PdnGraphicsPath pastePath = pixels.CreatePath();
PdnRegion pasteRegion = new PdnRegion(pastePath);
PdnRegion simplifiedPasteRegion = Utility.SimplifyAndInflateRegion(pasteRegion);
HistoryMemento bitmapAction = new BitmapHistoryMemento(Name, Image,
DocumentWorkspace, ActiveLayerIndex, simplifiedPasteRegion); // SLOW (110ms)
this.currentHistoryMementos.Add(bitmapAction);
PushContextHistoryMemento();
this.context.seriesGuid = Guid.NewGuid();
this.context.currentMode = Mode.Translate;
this.context.startEdge = Edge.None;
this.context.startAngle = 0.0f;
this.ourContext.LiftedPixels = pixels;
this.context.lifted = true;
this.context.liftTransform = new Matrix();
this.context.liftTransform.Reset();
this.context.deltaTransform = new Matrix();
this.context.deltaTransform.Reset();
this.context.offset = new Point(0, 0);
bool oldDD = this.dontDrop;
this.dontDrop = true;
SelectionHistoryMemento sha = new SelectionHistoryMemento(null, null, DocumentWorkspace);
this.currentHistoryMementos.Add(sha);
Selection.PerformChanging();
Selection.Reset();
Selection.SetContinuation(pastePath, CombineMode.Replace, true);
pastePath = null;
Selection.CommitContinuation();
Selection.PerformChanged();
PushContextHistoryMemento();
this.context.liftedBounds = Selection.GetBoundsF(false);
this.context.startBounds = this.context.liftedBounds;
this.context.baseTransform = new Matrix();
this.context.baseTransform.Reset();
this.tracking = true;
this.dontDrop = oldDD;
this.didPaste = true;
this.tracking = true;
DestroyNubs();
PositionNubs(this.context.currentMode);
// we use the value 70,000 to simulate mouse input because that's guaranteed to be out of bounds of where
// the mouse can actually be -- PDN is limited to 65536 x 65536 images by design
MouseEventArgs mea1 = new MouseEventArgs(MouseButtons.Left, 0, 70000, 70000, 0);
MouseEventArgs mea2 = new MouseEventArgs(MouseButtons.Left, 0, 70000 + offset.X, 70000 + offset.Y, 0);
this.context.startMouseXY = new Point(70000, 70000);
OnMouseDown(mea1);
OnMouseMove(mea2); // SLOW (200ms)
OnMouseUp(mea2);
}
public HistoryMemento ImportMultipleFiles(DocumentWorkspace documentWorkspace, string[] fileNames)
{
HistoryMemento retHA = null;
List<HistoryMemento> historyMementos = new List<HistoryMemento>();
Rectangle lastLayerBounds = Rectangle.Empty;
foreach (string fileName in fileNames)
{
HistoryMemento ha = ImportOneFile(documentWorkspace, fileName, out lastLayerBounds);
if (ha != null)
{
historyMementos.Add(ha);
}
else
{
Rollback(historyMementos);
historyMementos.Clear();
break;
}
}
if (lastLayerBounds.Width > 0 && lastLayerBounds.Height > 0)
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(null, null, documentWorkspace);
historyMementos.Add(sha);
documentWorkspace.Selection.PerformChanging();
documentWorkspace.Selection.Reset();
documentWorkspace.Selection.SetContinuation(lastLayerBounds, System.Drawing.Drawing2D.CombineMode.Replace);
documentWorkspace.Selection.CommitContinuation();
documentWorkspace.Selection.PerformChanged();
}
if (historyMementos.Count > 0)
{
HistoryMemento[] haArray = historyMementos.ToArray();
retHA = new CompoundHistoryMemento(StaticName, StaticImage, haArray);
}
return retHA;
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (tracking)
{
return;
}
bool determinedMoveMode = false;
Mode newMode = Mode.Translate;
Edge newEdge = Edge.None;
if (Selection.IsEmpty)
{
SelectionHistoryMemento shm = new SelectionHistoryMemento(
HistoryFunctions.SelectAllFunction.StaticName,
ImageResource.Get("Icons.MenuEditSelectAllIcon.png"),
DocumentWorkspace);
DocumentWorkspace.History.PushNewMemento(shm);
DocumentWorkspace.Selection.PerformChanging();
DocumentWorkspace.Selection.Reset();
DocumentWorkspace.Selection.SetContinuation(Document.Bounds, CombineMode.Replace);
DocumentWorkspace.Selection.CommitContinuation();
DocumentWorkspace.Selection.PerformChanged();
if (e.Button == MouseButtons.Right)
{
newMode = Mode.Rotate;
}
else
{
newMode = Mode.Translate;
}
newEdge = Edge.None;
determinedMoveMode = true;
}
DocumentWorkspace.EnableSelectionOutline = this.enableOutline;
if (!context.lifted)
{
Lift(e);
}
PushContextHistoryMemento();
if (!determinedMoveMode)
{
DetermineMoveMode(e, out newMode, out newEdge);
determinedMoveMode = true;
}
if (this.context.deltaTransform != null)
{
this.context.deltaTransform.Dispose();
this.context.deltaTransform = null;
}
this.context.deltaTransform = new Matrix();
this.context.deltaTransform.Reset();
if (newMode == Mode.Translate ||
newMode == Mode.Scale ||
newMode != this.context.currentMode ||
newMode == Mode.Rotate)
{
this.context.startBounds = Selection.GetBoundsF();
this.context.startMouseXY = new Point(e.X, e.Y);
this.context.offset = new Point(0, 0);
if (this.context.baseTransform != null)
{
this.context.baseTransform.Dispose();
this.context.baseTransform = null;
}
this.context.baseTransform = Selection.GetInterimTransformCopy();
}
this.context.startEdge = newEdge;
this.context.currentMode = newMode;
PositionNubs(this.context.currentMode);
tracking = true;
this.rotateNub.Visible = (this.context.currentMode == Mode.Rotate);
if (this.context.startPath != null)
{
this.context.startPath.Dispose();
this.context.startPath = null;
}
this.context.startPath = Selection.CreatePath();
this.context.startAngle = Utility.GetAngleOfTransform(Selection.GetInterimTransformReadOnly());
SelectionHistoryMemento sha1 = new SelectionHistoryMemento(this.Name, this.Image, this.DocumentWorkspace);
this.currentHistoryMementos.Add(sha1);
OnMouseMove(e);
if (this.enableOutline)
{
DocumentWorkspace.ResetOutlineWhiteOpacity();
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (tracking)
{
moveOriginMode = true;
lastXY = new Point(e.X, e.Y);
OnMouseMove(e);
}
else if ((e.Button & MouseButtons.Left) == MouseButtons.Left ||
(e.Button & MouseButtons.Right) == MouseButtons.Right)
{
tracking = true;
hasMoved = false;
startTime = DateTime.Now;
tracePoints = new List<Point>();
tracePoints.Add(new Point(e.X, e.Y));
undoAction = new SelectionHistoryMemento("sentinel", this.Image, DocumentWorkspace);
wasNotEmpty = !Selection.IsEmpty;
// if the user is holding down the control key then we don't want to reset the path, merely append to it
if ((ModifierKeys & Keys.Control) == Keys.Control)
{
append = true;
if ((e.Button & MouseButtons.Right) == MouseButtons.Right)
{
this.combineMode = CombineMode.Xor;
}
else
{
this.combineMode = CombineMode.Union;
}
Selection.ResetContinuation();
}
else if ((e.Button & MouseButtons.Right) == MouseButtons.Right)
{
append = true;
this.combineMode = CombineMode.Exclude;
Selection.ResetContinuation();
}
else
{
append = false;
this.combineMode = CombineMode.Replace;
Selection.Reset();
}
}
}
protected override HistoryMemento OnUndo()
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(Name, Image, this.historyWorkspace);
this.historyWorkspace.Selection.Restore(this.savedSelectionData);
return sha;
}
