/// <summary>
/// Draws an arc primitive to the specified destination buffer.
/// </summary>
/// <param name="buffer">The destination buffer.</param>
/// <param name="pen">A GDI pen to use for drawing.</param>
/// <param name="arc">The arc primitive to be drawn.</param>
/// <param name="dpi">The intended output DPI.</param>
public static void DrawArcPrimitive(IGdiBuffer buffer, Pen pen, IArcGraphic arc, float dpi = _nominalScreenDpi)
{
buffer.Graphics.Transform = arc.SpatialTransform.CumulativeTransform;
arc.CoordinateSystem = CoordinateSystem.Source;
buffer.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
try
{
var rectangle = new RectangleF(arc.TopLeft.X, arc.TopLeft.Y, arc.Width, arc.Height);
rectangle = RectangleUtilities.ConvertToPositiveRectangle(rectangle);
var dropShadowOffset = GetDropShadowOffset(arc, dpi);
// Draw drop shadow
pen.Color = Color.Black;
pen.Width = CalculateScaledPenWidth(arc, 1, dpi);
SetDashStyle(pen, arc);
buffer.Graphics.DrawArc(
pen,
rectangle.Left + dropShadowOffset.Width,
rectangle.Top + dropShadowOffset.Height,
rectangle.Width,
rectangle.Height,
arc.StartAngle,
arc.SweepAngle);
// Draw rectangle
pen.Color = arc.Color;
buffer.Graphics.DrawArc(
pen,
rectangle.Left,
rectangle.Top,
rectangle.Width,
rectangle.Height,
arc.StartAngle,
arc.SweepAngle);
}
finally
{
buffer.Graphics.SmoothingMode = SmoothingMode.None;
arc.ResetCoordinateSystem();
buffer.Graphics.ResetTransform();
}
}
/// <summary>
/// Draws a <see cref="ArcPrimitive"/>.
/// </summary>
protected override void DrawArcPrimitive(IArcGraphic arc)
{
Surface.FinalBuffer.Graphics.Transform = arc.SpatialTransform.CumulativeTransform;
arc.CoordinateSystem = CoordinateSystem.Source;
Surface.FinalBuffer.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
RectangleF rectangle = new RectangleF(arc.TopLeft.X, arc.TopLeft.Y, arc.Width, arc.Height);
rectangle = RectangleUtilities.ConvertToPositiveRectangle(rectangle);
SizeF dropShadowOffset = GetDropShadowOffset(arc, Dpi);
// Draw drop shadow
_pen.Color = Color.Black;
_pen.Width = CalculateScaledPenWidth(arc, 1, Dpi);
SetDashStyle(arc);
Surface.FinalBuffer.Graphics.DrawArc(
_pen,
rectangle.Left + dropShadowOffset.Width,
rectangle.Top + dropShadowOffset.Height,
rectangle.Width,
rectangle.Height,
arc.StartAngle,
arc.SweepAngle);
// Draw rectangle
_pen.Color = arc.Color;
Surface.FinalBuffer.Graphics.DrawArc(
_pen,
rectangle.Left,
rectangle.Top,
rectangle.Width,
rectangle.Height,
arc.StartAngle,
arc.SweepAngle);
arc.ResetCoordinateSystem();
Surface.FinalBuffer.Graphics.ResetTransform();
}
/// <summary> /// Draws a <see cref="ArcPrimitive"/>. Must be overridden and implemented. /// </summary> protected abstract void DrawArcPrimitive(IArcGraphic arc);
/// <summary> /// Draws a <see cref="ArcPrimitive"/>. Must be overridden and implemented. /// </summary> protected abstract void DrawArcPrimitive(IArcGraphic arc);
/// <summary>
/// Draws a <see cref="ArcPrimitive"/>.
/// </summary>
protected override void DrawArcPrimitive(IArcGraphic arc)
{
Surface.FinalBuffer.Graphics.Transform = arc.SpatialTransform.CumulativeTransform;
arc.CoordinateSystem = CoordinateSystem.Source;
Surface.FinalBuffer.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
RectangleF rectangle = new RectangleF(arc.TopLeft.X, arc.TopLeft.Y, arc.Width, arc.Height);
rectangle = RectangleUtilities.ConvertToPositiveRectangle(rectangle);
SizeF dropShadowOffset = GetDropShadowOffset(arc, Dpi);
// Draw drop shadow
_pen.Color = Color.Black;
_pen.Width = CalculateScaledPenWidth(arc, 1, Dpi);
SetDashStyle(arc);
Surface.FinalBuffer.Graphics.DrawArc(
_pen,
rectangle.Left + dropShadowOffset.Width,
rectangle.Top + dropShadowOffset.Height,
rectangle.Width,
rectangle.Height,
arc.StartAngle,
arc.SweepAngle);
// Draw rectangle
_pen.Color = arc.Color;
Surface.FinalBuffer.Graphics.DrawArc(
_pen,
rectangle.Left,
rectangle.Top,
rectangle.Width,
rectangle.Height,
arc.StartAngle,
arc.SweepAngle);
arc.ResetCoordinateSystem();
Surface.FinalBuffer.Graphics.ResetTransform();
}
/// <summary>
/// Draws an arc primitive to the specified destination buffer.
/// </summary>
/// <param name="buffer">The destination buffer.</param>
/// <param name="pen">A GDI pen to use for drawing.</param>
/// <param name="arc">The arc primitive to be drawn.</param>
/// <param name="dpi">The intended output DPI.</param>
public static void DrawArcPrimitive(IGdiBuffer buffer, Pen pen, IArcGraphic arc, float dpi = _nominalScreenDpi)
{
buffer.Graphics.Transform = arc.SpatialTransform.CumulativeTransform;
arc.CoordinateSystem = CoordinateSystem.Source;
buffer.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
try
{
var rectangle = new RectangleF(arc.TopLeft.X, arc.TopLeft.Y, arc.Width, arc.Height);
rectangle = RectangleUtilities.ConvertToPositiveRectangle(rectangle);
var dropShadowOffset = GetDropShadowOffset(arc, dpi);
// Draw drop shadow
pen.Color = Color.Black;
pen.Width = CalculateScaledPenWidth(arc, 1, dpi);
SetDashStyle(pen, arc);
buffer.Graphics.DrawArc(
pen,
rectangle.Left + dropShadowOffset.Width,
rectangle.Top + dropShadowOffset.Height,
rectangle.Width,
rectangle.Height,
arc.StartAngle,
arc.SweepAngle);
// Draw rectangle
pen.Color = arc.Color;
buffer.Graphics.DrawArc(
pen,
rectangle.Left,
rectangle.Top,
rectangle.Width,
rectangle.Height,
arc.StartAngle,
arc.SweepAngle);
}
finally
{
buffer.Graphics.SmoothingMode = SmoothingMode.None;
arc.ResetCoordinateSystem();
buffer.Graphics.ResetTransform();
}
}
/// <summary>
/// Draws a <see cref="ArcPrimitive"/>.
/// </summary>
protected override void DrawArcPrimitive(IArcGraphic arc)
{
DrawArcPrimitive(Surface.FinalBuffer, _pen, arc, Dpi);
}
protected virtual void DrawArcPrimitive(IArcGraphic arc)
{
GdiRenderer.DrawArcPrimitive(Surface.OverlayBuffer, _pen, arc, Dpi);
}
/// <summary>
/// Draws a <see cref="ArcPrimitive"/>.
/// </summary>
protected override void DrawArcPrimitive(IArcGraphic arc)
{
DrawArcPrimitive(Surface.FinalBuffer, _pen, arc, Dpi);
}
