/// <summary>
/// A history item for when text is created, edited, and/or finalized.
/// </summary>
/// <param name="icon">The history item's icon.</param>
/// <param name="text">The history item's title.</param>
/// <param name="passedTextSurface">The stored TextLayer surface.</param>
/// <param name="passedUserSurface">The stored UserLayer surface.</param>
/// <param name="passedTextEngine">The text engine being used.</param>
/// <param name="passedUserLayer">The UserLayer being modified.</param>
public TextHistoryItem(string icon, string text, ImageSurface passedTextSurface,
ImageSurface passedUserSurface, TextEngine passedTextEngine,
UserLayer passedUserLayer) : base(icon, text)
{
userLayer = passedUserLayer;
text_surface_diff = SurfaceDiff.Create(passedTextSurface, userLayer.TextLayer.Layer.Surface, true);
if (text_surface_diff == null)
{
textSurface = passedTextSurface;
}
else
{
(passedTextSurface as IDisposable).Dispose();
}
user_surface_diff = SurfaceDiff.Create(passedUserSurface, userLayer.Surface, true);
if (user_surface_diff == null)
{
userSurface = passedUserSurface;
}
else
{
(passedUserSurface as IDisposable).Dispose();
}
tEngine = passedTextEngine;
textBounds = new Gdk.Rectangle(userLayer.textBounds.X, userLayer.textBounds.Y, userLayer.textBounds.Width, userLayer.textBounds.Height);
}
/// <summary>
/// A history item for when text is created, edited, and/or finalized.
/// </summary>
/// <param name="icon">The history item's icon.</param>
/// <param name="text">The history item's title.</param>
/// <param name="passedTextSurface">The stored TextLayer surface.</param>
/// <param name="passedUserSurface">The stored UserLayer surface.</param>
/// <param name="passedTextEngine">The text engine being used.</param>
/// <param name="passedUserLayer">The UserLayer being modified.</param>
public TextHistoryItem(string icon, string text, ImageSurface passedTextSurface,
ImageSurface passedUserSurface, TextEngine passedTextEngine,
UserLayer passedUserLayer) : base(icon, text)
{
userLayer = passedUserLayer;
text_surface_diff = SurfaceDiff.Create(passedTextSurface, userLayer.TextLayer.Layer.Surface, true);
if (text_surface_diff == null)
{
textSurface = passedTextSurface;
}
else
{
(passedTextSurface as IDisposable).Dispose();
}
user_surface_diff = SurfaceDiff.Create(passedUserSurface, userLayer.Surface, true);
if (user_surface_diff == null)
{
userSurface = passedUserSurface;
}
else
{
(passedUserSurface as IDisposable).Dispose();
}
tEngine = passedTextEngine;
textBounds = new Gdk.Rectangle(userLayer.textBounds.X, userLayer.textBounds.Y, userLayer.textBounds.Width, userLayer.textBounds.Height);
}
private void Swap()
{
// Grab the original surface
ImageSurface surf = userLayer.TextLayer.Layer.Surface;
if (text_surface_diff != null)
{
text_surface_diff.ApplyAndSwap(surf);
PintaCore.Workspace.Invalidate(text_surface_diff.GetBounds());
}
else
{
// Undo to the "old" surface
userLayer.TextLayer.Layer.Surface = textSurface;
// Store the original surface for Redo
textSurface = surf;
}
// Grab the original surface
surf = userLayer.Surface;
if (user_surface_diff != null)
{
user_surface_diff.ApplyAndSwap(surf);
PintaCore.Workspace.Invalidate(user_surface_diff.GetBounds());
}
else
{
// Undo to the "old" surface
userLayer.Surface = userSurface;
// Store the original surface for Redo
userSurface = surf;
}
//Redraw everything since surfaces were swapped.
PintaCore.Workspace.Invalidate();
//Store the old text data temporarily.
TextEngine oldTEngine = tEngine;
Gdk.Rectangle oldTextBounds = textBounds;
//Swap half of the data.
tEngine = userLayer.tEngine;
textBounds = userLayer.textBounds;
//Swap the other half.
userLayer.tEngine = oldTEngine;
userLayer.textBounds = oldTextBounds;
}
public void PerformEnter ()
{
var engine = new TextEngine (new List<string> () { "foo", "bar" });
engine.SetCursorPosition (new TextPosition (1, 1), true);
engine.PerformEnter ();
Assert.AreEqual (3, engine.LineCount);
Assert.AreEqual (LinesToString (new string[] {"foo", "b", "ar" }),
engine.ToString());
Assert.AreEqual (new TextPosition (2, 0), engine.CurrentPosition);
}
public void DeleteSelection ()
{
var engine = new TextEngine (new List<string> () { "это тест", "это еще один тест" });
engine.SetCursorPosition (new TextPosition (0, 2), true);
engine.PerformDown (true);
engine.PerformDelete ();
Assert.AreEqual (1, engine.LineCount);
Assert.AreEqual (LinesToString (new string[] { "это еще один тест" }),
engine.ToString ());
Assert.AreEqual (new TextPosition (0, 2), engine.CurrentPosition);
}
public void DeleteMultiLineSelection ()
{
var engine = new TextEngine (new List<string> () { "line 1", "line 2", "line 3" });
engine.SetCursorPosition (new TextPosition (0, 2), true);
engine.PerformDown (true);
engine.PerformDown (true);
engine.PerformDelete ();
Assert.AreEqual (1, engine.LineCount);
Assert.AreEqual (LinesToString (new string[] { "line 3" }),
engine.ToString ());
}
public void PerformLeft ()
{
var engine = new TextEngine (new List<string> () { "foo", "bar" });
engine.SetCursorPosition (new TextPosition (1, 0), true);
engine.PerformLeft (false, false);
Assert.AreEqual (new TextPosition (0, 3), engine.CurrentPosition);
engine.SetCursorPosition (new TextPosition (0, 1), true);
engine.PerformLeft (false, false);
Assert.AreEqual (new TextPosition (0, 0), engine.CurrentPosition);
engine.PerformLeft (false, false);
Assert.AreEqual (new TextPosition (0, 0), engine.CurrentPosition);
}
/// <summary>
/// Performs a deep clone of the TextEngine instance and returns the clone.
/// </summary>
/// <returns>A clone of this TextEngine instance.</returns>
public TextEngine Clone()
{
TextEngine clonedTE = new TextEngine();
clonedTE.layout = layout.Copy();
clonedTE.lines = lines.ToList();
clonedTE.textMode = textMode;
clonedTE.linePos = linePos;
clonedTE.textPos = textPos;
clonedTE.selectionRelativeIndex = selectionRelativeIndex;
clonedTE.underline = underline;
clonedTE.Origin = new Point(Origin.X, Origin.Y);
//The rest of the variables are calculated on the spot.
return(clonedTE);
}
/// <summary>
/// Performs a deep clone of the TextEngine instance and returns the clone.
/// </summary>
/// <returns>A clone of this TextEngine instance.</returns>
public TextEngine Clone()
{
TextEngine clonedTE = new TextEngine();
clonedTE.lines = lines.ToList();
clonedTE.State = State;
clonedTE.currentPos = currentPos;
clonedTE.selectionStart = selectionStart;
clonedTE.FontFace = FontFace;
clonedTE.FontSize = FontSize;
clonedTE.Bold = Bold;
clonedTE.Italic = Italic;
clonedTE.Underline = Underline;
clonedTE.Alignment = Alignment;
clonedTE.Origin = new Point(Origin.X, Origin.Y);
//The rest of the variables are calculated on the spot.
return(clonedTE);
}
/// <summary>
/// Performs a deep clone of the TextEngine instance and returns the clone.
/// </summary>
/// <returns>A clone of this TextEngine instance.</returns>
public TextEngine Clone()
{
TextEngine clonedTE = new TextEngine();
clonedTE.lines = lines.ToList();
clonedTE.State = State;
clonedTE.currentPos = currentPos;
clonedTE.selectionStart = selectionStart;
clonedTE.FontFace = FontFace;
clonedTE.FontSize = FontSize;
clonedTE.Bold = Bold;
clonedTE.Italic = Italic;
clonedTE.Underline = Underline;
clonedTE.Alignment = Alignment;
clonedTE.Origin = new Point(Origin.X, Origin.Y);
//The rest of the variables are calculated on the spot.
return clonedTE;
}
private void setupUserLayer()
{
tEngine = new TextEngine();
TextLayer = new ReEditableLayer(this);
}
private void setupUserLayer()
{
tEngine = new TextEngine();
TextLayer = new ReEditableLayer(this);
}
/// <summary>
/// Performs a deep clone of the TextEngine instance and returns the clone.
/// </summary>
/// <returns>A clone of this TextEngine instance.</returns>
public TextEngine Clone()
{
TextEngine clonedTE = new TextEngine();
clonedTE.layout = layout.Copy();
clonedTE.lines = lines.ToList();
clonedTE.textMode = textMode;
clonedTE.linePos = linePos;
clonedTE.textPos = textPos;
clonedTE.selectionRelativeIndex = selectionRelativeIndex;
clonedTE.underline = underline;
clonedTE.Origin = new Point(Origin.X, Origin.Y);
//The rest of the variables are calculated on the spot.
return clonedTE;
}
//Call the base class constructor and setup the TextEngine.
public UserLayer(ImageSurface surface, bool hidden, double opacity, string name)
: base(surface, hidden, opacity, name)
{
tEngine = new TextEngine();
}
private void Swap()
{
// Grab the original surface
ImageSurface surf = userLayer.TextLayer.Layer.Surface;
if (text_surface_diff != null)
{
text_surface_diff.ApplyAndSwap(surf);
PintaCore.Workspace.Invalidate(text_surface_diff.GetBounds());
}
else
{
// Undo to the "old" surface
userLayer.TextLayer.Layer.Surface = textSurface;
// Store the original surface for Redo
textSurface = surf;
}
// Grab the original surface
surf = userLayer.Surface;
if (user_surface_diff != null)
{
user_surface_diff.ApplyAndSwap(surf);
PintaCore.Workspace.Invalidate(user_surface_diff.GetBounds());
}
else
{
// Undo to the "old" surface
userLayer.Surface = userSurface;
// Store the original surface for Redo
userSurface = surf;
}
//Redraw everything since surfaces were swapped.
PintaCore.Workspace.Invalidate();
//Store the old text data temporarily.
TextEngine oldTEngine = tEngine;
Gdk.Rectangle oldTextBounds = textBounds;
//Swap half of the data.
tEngine = userLayer.tEngine;
textBounds = userLayer.textBounds;
//Swap the other half.
userLayer.tEngine = oldTEngine;
userLayer.textBounds = oldTextBounds;
}
//Call the base class constructor and setup the TextEngine.
public UserLayer(ImageSurface surface) : base(surface)
{
tEngine = new TextEngine();
}
//Call the base class constructor and setup the TextEngine.
public UserLayer(ImageSurface surface, bool hidden, double opacity, string name) : base(surface, hidden, opacity, name)
{
tEngine = new TextEngine();
}
//Call the base class constructor and setup the TextEngine.
public UserLayer(ImageSurface surface)
: base(surface)
{
tEngine = new TextEngine();
}
