/// <summary>
/// Draws a <see cref="PointPrimitive"/>.
/// </summary>
protected override void DrawPointPrimitive(PointPrimitive pointPrimitive)
{
Surface.FinalBuffer.Graphics.Transform = pointPrimitive.SpatialTransform.CumulativeTransform;
pointPrimitive.CoordinateSystem = CoordinateSystem.Source;
SizeF dropShadowOffset = GetDropShadowOffset(pointPrimitive, Dpi);
var width = CalculateScaledPenWidth(pointPrimitive, 1, Dpi);
// Draw drop shadow
_brush.Color = Color.Black;
Surface.FinalBuffer.Graphics.FillRectangle(
_brush,
pointPrimitive.Point.X + dropShadowOffset.Width,
pointPrimitive.Point.Y + dropShadowOffset.Height,
width,
width);
// Draw point
_brush.Color = pointPrimitive.Color;
Surface.FinalBuffer.Graphics.FillRectangle(
_brush,
pointPrimitive.Point.X,
pointPrimitive.Point.Y,
width,
width);
pointPrimitive.ResetCoordinateSystem();
Surface.FinalBuffer.Graphics.ResetTransform();
}
/// <summary>
/// Draws a point primitive to the specified destination buffer.
/// </summary>
/// <param name="buffer">The destination buffer.</param>
/// <param name="brush">A GDI brush to use for drawing.</param>
/// <param name="point">The point primitive to be drawn.</param>
/// <param name="dpi">The intended output DPI.</param>
public static void DrawPointPrimitive(IGdiBuffer buffer, SolidBrush brush, PointPrimitive point, float dpi = _nominalScreenDpi)
{
buffer.Graphics.Transform = point.SpatialTransform.CumulativeTransform;
point.CoordinateSystem = CoordinateSystem.Source;
try
{
var dropShadowOffset = GetDropShadowOffset(point, dpi);
var width = CalculateScaledPenWidth(point, 1, dpi);
// Draw drop shadow
brush.Color = Color.Black;
buffer.Graphics.FillRectangle(
brush,
point.Point.X + dropShadowOffset.Width,
point.Point.Y + dropShadowOffset.Height,
width,
width);
// Draw point
brush.Color = point.Color;
buffer.Graphics.FillRectangle(
brush,
point.Point.X,
point.Point.Y,
width,
width);
}
finally
{
point.ResetCoordinateSystem();
buffer.Graphics.ResetTransform();
}
}
