public virtual IReadOnlyCollection <IGeometricShape> Paint(SubThemeStatus status)
{
if (Shapes.Count == 0)
{
AddShapes();
}
if (status == SubThemeStatus.Stay && Index == 0)
{
var currentState = States[Index];
UpdateFields(currentState);
UpdateShapes(currentState.Colors);
}
else if (status == SubThemeStatus.NextStep && Index < States.Count - 1)
{
Index++;
var currentState = States[Index];
UpdateFields(currentState);
UpdateShapes(currentState.Colors);
}
else if (status == SubThemeStatus.BackStep && Index > 0)
{
Index--;
var currentState = States[Index];
UpdateFields(currentState);
UpdateShapes(currentState.Colors);
}
return(Shapes.AsReadOnly());
}
public IReadOnlyCollection <IGeometricShape> Paint(SubThemeStatus status)
{
if (currentSubTheme is null)
{
return(null);
}
return(currentSubTheme.Paint(status));
}
private void Drawing(Graphics graphics)
{
graphics.Clear(Color.Aqua);
graphics.SmoothingMode = SmoothingMode.HighQuality;
if (currentTheme != null)
{
var shapes = currentTheme.Paint(currentSubThemeStatus);
currentSubThemeStatus = SubThemeStatus.Stay;
if (shapes != null)
{
foreach (var shape in shapes)
{
if (shape is IClosedLine closedLine)
{
graphics.FillPolygon(closedLine.Color, closedLine.Points.ToArray());
}
else if (shape is ILine line)
{
graphics.DrawLine(line.Pen, line.Start.X, line.Start.Y, line.End.X, line.End.Y);
}
else if (shape is IEllipse ellipse)
{
graphics.FillEllipse(ellipse.Color, ellipse.Point.X, ellipse.Point.Y, ellipse.Size.Width, ellipse.Size.Height);
}
if (!shape.Text.IsEmpty)
{
if (shape is IRectangleText rectangleText)
{
graphics.DrawString(
rectangleText.Text.TextLine,
new Font("Arial", 20),
rectangleText.Color,
new Rectangle(rectangleText.Text.Point.X, rectangleText.Text.Point.Y, rectangleText.Size.Width, rectangleText.Size.Height)
// new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Center, FormatFlags = StringFormatFlags.FitBlackBox }
);
}
else
{
graphics.DrawString(
shape.Text.TextLine,
new Font("Arial", 20),
Brushes.Black,
shape.Text.Point
);
}
}
}
}
}
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (!(currentTheme is null))
{
if (keyData == (Keys.Left))
{
currentSubThemeStatus = SubThemeStatus.BackStep;
}
if (keyData == (Keys.Right))
{
currentSubThemeStatus = SubThemeStatus.NextStep;
}
}
Invalidate();
return(base.ProcessCmdKey(ref msg, keyData));
}
