public ConsoleBitmap(Rectangle bounds, ConsoleCharacter? bg = null)
{
_syncLock = new object();
this.Top = bounds.Y;
this.Left = bounds.X;
bounds = new Rectangle(0, 0, bounds.Width, bounds.Height);
this.Bounds = bounds;
this.scope = bounds;
this.Console = ConsoleProvider.Current;
this.Background = bg.HasValue ? bg.Value : new ConsoleCharacter(' ');
this.Pen = new ConsoleCharacter('*');
pixels = new ConsolePixel[this.Width][];
for (int x = 0; x < this.Width; x++)
{
pixels[x] = new ConsolePixel[this.Height];
for (int y = 0; y < pixels[x].Length; y++)
{
pixels[x][y] = new ConsolePixel() { Value = bg };
}
}
}
public void Scope(Rectangle bounds)
{
this.scope = bounds;
}
public void Rescope(int xIncrement, int yIncrement, int w, int h)
{
w = Math.Min(w, scope.Width - xIncrement);
h = Math.Min(h, scope.Height - yIncrement);
scope = new Rectangle(scope.X + xIncrement, scope.Y + yIncrement, w, h);
}
public bool IsRightOf(Rectangle other)
{
return Right > other.Right;
}
public bool IsLeftOf(Rectangle other)
{
return Left < other.Left;
}
public bool IsBelow(Rectangle other)
{
return Bottom > other.Bottom;
}
public bool IsAbove(Rectangle other)
{
return Top < other.Top;
}
public bool Contains(Rectangle other)
{
var insideLeftEdge = other.Left >= Left;
var insideRightEdge = other.Right <= Right;
var insideTopEdge = other.Top >= Top;
var insideBottomEdge = other.Bottom <= Bottom;
return insideLeftEdge && insideRightEdge && insideTopEdge && insideBottomEdge;
}
private void FocusChanged()
{
bool focusedControlIsWithinMe = VisitControlTree((control) =>
{
return control == Application.FocusManager.FocusedControl;
});
if (focusedControlIsWithinMe)
{
var offset = Application.FocusManager.FocusedControl.CalculateRelativePosition(this);
var visibleWindowBounds = new Rectangle(HorizontalScrollUnits, VerticalScrollUnits, Width, Height);
var focusedControlBounds = new Rectangle(offset, Application.FocusManager.FocusedControl.Size);
if (focusedControlBounds.IsAbove(visibleWindowBounds))
{
int amount = visibleWindowBounds.Top - focusedControlBounds.Top;
VerticalScrollUnits -= amount;
}
if (focusedControlBounds.IsBelow(visibleWindowBounds))
{
int amount = focusedControlBounds.Bottom - visibleWindowBounds.Bottom;
VerticalScrollUnits += amount;
}
if (focusedControlBounds.IsLeftOf(visibleWindowBounds))
{
int amount = visibleWindowBounds.Left - focusedControlBounds.Left;
HorizontalScrollUnits -= amount;
}
if (focusedControlBounds.IsRightOf(visibleWindowBounds))
{
int amount = focusedControlBounds.Right - visibleWindowBounds.Right;
HorizontalScrollUnits += amount;
}
}
}