public State Clone()
{
var newState = new State
{
BackgroundMode = this.BackgroundMode,
CurrentBrush = this.CurrentBrush,
CurrentClipRegion = this.CurrentClipRegion,
CurrentPalette = this.CurrentPalette,
CurrentPen = this.CurrentPen,
CurrentPosition = this.CurrentPosition,
DrawMode = this.DrawMode,
PolyFillMode = this.PolyFillMode,
MapMode = this.MapMode,
StretchBltMode = this.StretchBltMode,
TextAlign = this.TextAlign,
TextColor = this.TextColor,
ViewportExtX = this.ViewportExtX,
ViewportExtY = this.ViewportExtY,
ViewportOrigin = this.ViewportOrigin,
WindowExtX = this.WindowExtX,
WindowExtY = this.WindowExtY,
WindowOrigin = this.WindowOrigin
//RealizedPalette = this.RealizedPalette;
};
return newState;
}
public void RestoreDC(int index)
{
if (index < 0)
{
// Relative restore
index = _stateHistory.Count - 1 + index;
}
_currentState = _stateHistory[index];
// Discard any newer DC's
for (int i = _stateHistory.Count - 1; i > index; i--)
{
_stateHistory.RemoveAt(i);
}
}
public void SaveDC()
{
_currentState = _currentState.Clone();
_stateHistory.Add(_currentState);
}
public WpfGdi()
{
_currentState = new State();
_stateHistory = new List<State> { _currentState };
_objectTable = new ObjectTable();
}