private IrregularSurface(IrregularSurface cloneMe)
{
this.placedSurfaces = new ArrayList(cloneMe.placedSurfaces.Count);
foreach (PlacedSurface ps in cloneMe.placedSurfaces)
{
this.placedSurfaces.Add(ps.Clone());
}
this.region = (PdnRegion)cloneMe.Region.Clone();
}
private IrregularSurface(IrregularSurface cloneMe)
{
this.placedSurfaces = new ArrayList(cloneMe.placedSurfaces.Count);
foreach (PlacedSurface ps in cloneMe.placedSurfaces)
{
this.placedSurfaces.Add(ps.Clone());
}
this.region = (PdnRegion)cloneMe.Region.Clone();
}
private void SaveHistoryMemento()
{
pulseEnabled = false;
RedrawText(false);
if (saved != null)
{
PdnRegion hitTest = Selection.CreateRegion();
hitTest.Intersect(saved.Region);
if (!hitTest.IsEmpty())
{
BitmapHistoryMemento bha = new BitmapHistoryMemento(Name, Image, DocumentWorkspace,
ActiveLayerIndex, saved);
if (this.currentHA == null)
{
HistoryStack.PushNewMemento(bha);
}
else
{
this.currentHA.PushNewAction(bha);
this.currentHA = null;
}
}
hitTest.Dispose();
saved.Dispose();
saved = null;
}
}
/// <summary>
/// Redraws the Text on the screen
/// </summary>
/// <remarks>
/// assumes that the <b>font</b> and the <b>alignment</b> are already set
/// </remarks>
/// <param name="cursorOn"></param>
private void RedrawText(bool cursorOn)
{
if (this.ignoreRedraw > 0)
{
return;
}
if (saved != null)
{
saved.Draw(ra.Surface);
ActiveLayer.Invalidate(saved.Region);
saved.Dispose();
saved = null;
}
// Save the Space behind the lines
Rectangle[] rects = new Rectangle[lines.Count + 1];
Point[] localUls = new Point[lines.Count];
// All Lines
bool recalcSizes = false;
if (this.sizes == null)
{
recalcSizes = true;
this.sizes = new Size[lines.Count + 1];
}
if (recalcSizes)
{
for (int i = 0; i < lines.Count; ++i)
{
this.threadPool.QueueUserWorkItem(new System.Threading.WaitCallback(this.MeasureText),
BoxedConstants.GetInt32(i));
}
this.threadPool.Drain();
}
for (int i = 0; i < lines.Count; ++i)
{
Point upperLeft = GetUpperLeft(sizes[i], i);
localUls[i] = upperLeft;
Rectangle rect = new Rectangle(upperLeft, sizes[i]);
rects[i] = rect;
}
// The Cursor Line
string cursorLine = ((string)lines[linePos]).Substring(0, textPos);
Size cursorLineSize;
Point cursorUL;
Rectangle cursorRect;
bool emptyCursorLineFlag;
if (cursorLine.Length == 0)
{
emptyCursorLineFlag = true;
Size fullLineSize = sizes[linePos];
cursorLineSize = new Size(2, (int)(Math.Ceiling(font.GetHeight())));
cursorUL = GetUpperLeft(fullLineSize, linePos);
cursorRect = new Rectangle(cursorUL, cursorLineSize);
}
else if (cursorLine.Length == ((string)lines[linePos]).Length)
{
emptyCursorLineFlag = false;
cursorLineSize = sizes[linePos];
cursorUL = localUls[linePos];
cursorRect = new Rectangle(cursorUL, cursorLineSize);
}
else
{
emptyCursorLineFlag = false;
cursorLineSize = StringSize(cursorLine);
cursorUL = localUls[linePos];
cursorRect = new Rectangle(cursorUL, cursorLineSize);
}
rects[lines.Count] = cursorRect;
// Account for overhang on italic or fancy fonts
int offset = (int)this.font.Height;
for (int i = 0; i < rects.Length; ++i)
{
rects[i].X -= offset;
rects[i].Width += 2 * offset;
}
// Set the saved region
using (PdnRegion reg = Utility.RectanglesToRegion(Utility.InflateRectangles(rects, 3)))
{
saved = new IrregularSurface(ra.Surface, reg);
}
// Draw the Lines
this.uls = localUls;
for (int i = 0; i < lines.Count; i++)
{
threadPool.QueueUserWorkItem(new System.Threading.WaitCallback(this.RenderText), BoxedConstants.GetInt32(i));
}
threadPool.Drain();
// Draw the Cursor
if (cursorOn)
{
using (Pen cursorPen = new Pen(Color.FromArgb(255, AppEnvironment.PrimaryColor.ToColor()), 2))
{
if (emptyCursorLineFlag)
{
ra.Graphics.FillRectangle(cursorPen.Brush, cursorRect);
}
else
{
ra.Graphics.DrawLine(cursorPen, new Point(cursorRect.Right, cursorRect.Top), new Point(cursorRect.Right, cursorRect.Bottom));
}
}
}
PlaceMoveNub();
UpdateStatusText();
ActiveLayer.Invalidate(saved.Region);
Update();
}
protected override void OnDeactivate()
{
PdnBaseForm.UnregisterFormHotKey(Keys.Back, OnBackspaceTyped);
base.OnDeactivate();
switch (mode)
{
case EditingMode.Editing:
SaveHistoryMemento();
break;
case EditingMode.EmptyEdit:
RedrawText(false);
break;
case EditingMode.NotEditing:
break;
default:
throw new InvalidEnumArgumentException("Invalid Editing Mode");
}
if (ra != null)
{
ra.Dispose();
ra = null;
}
if (saved != null)
{
saved.Dispose();
saved = null;
}
AppEnvironment.BrushInfoChanged -= brushChangedDelegate;
AppEnvironment.FontInfoChanged -= fontChangedDelegate;
AppEnvironment.FontSmoothingChanged -= fontSmoothingChangedDelegate;
AppEnvironment.TextAlignmentChanged -= alignmentChangedDelegate;
AppEnvironment.AntiAliasingChanged -= antiAliasChangedDelegate;
AppEnvironment.PrimaryColorChanged -= foreColorChangedDelegate;
AppEnvironment.SecondaryColorChanged -= new EventHandler(BackColorChangedHandler);
AppEnvironment.AlphaBlendingChanged -= new EventHandler(AlphaBlendingChangedHandler);
StopEditing();
this.threadPool = null;
this.RendererList.Remove(this.moveNub);
this.moveNub.Dispose();
this.moveNub = null;
if (this.textToolCursor != null)
{
this.textToolCursor.Dispose();
this.textToolCursor = null;
}
}
