597 lines
14 KiB
C#

using System;
using System.ComponentModel;
using System.Drawing;
using System.Globalization;
using System.Windows.Forms;
namespace DevComponents.Instrumentation
{
[TypeConverter(typeof(GaugeTickMarkBaseConvertor))]
public class GaugeTickMarkBase : GaugeItem
{
#region Private variables
private int _Radius;
private int _Width;
private int _Length;
private int _Offset;
private Rectangle _Bounds;
private TickMarkLayout _Layout;
private GaugeTickMarkRank _Rank;
private GaugeMarker _GaugeMarker;
private GaugeScale _Scale;
#endregion
public GaugeTickMarkBase(GaugeScale scale,
GaugeTickMarkRank rank, GaugeMarkerStyle style, float width, float length)
: this(scale, rank, new TickMarkLayout(style, width, length))
{
}
public GaugeTickMarkBase(GaugeScale scale, GaugeTickMarkRank rank, TickMarkLayout layout)
{
_Scale = scale;
_Rank = rank;
_Layout = layout;
_GaugeMarker = new GaugeMarker();
HookEvents(true);
}
#region Hidden properties
#region Name
[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
public new string Name
{
get { return (base.Name); }
set { base.Name = value; }
}
#endregion
#region Tooltip
[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
public new string Tooltip
{
get { return (base.Tooltip); }
set { base.Tooltip = value; }
}
#endregion
#endregion
#region Public properties
#region Scale
/// <summary>
/// Gets the associated Scale
/// </summary>
[Browsable(false)]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public GaugeScale Scale
{
get { return (_Scale); }
internal set { _Scale = value; }
}
#endregion
#region Layout
/// <summary>
/// Gets the Tickmark leyout
/// </summary>
[Browsable(true), Category("Layout")]
[Description("Specifies the TickMark layout properties.")]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
public TickMarkLayout Layout
{
get { return (_Layout); }
}
#endregion
#region Visible
public override bool Visible
{
get { return (base.Visible); }
set
{
if (base.Visible != value)
{
base.Visible = value;
if (_Scale != null)
_Scale.Labels.NeedRecalcLayout = true;
}
}
}
#endregion
#endregion
#region Internal properties
#region Bounds
internal Rectangle Bounds
{
get { return (_Bounds); }
set { _Bounds = value; }
}
#endregion
#region Length
internal int Length
{
get { return (_Length); }
set { _Length = value; }
}
#endregion
#region Offset
internal int Offset
{
get { return (_Offset); }
set { _Offset = value; }
}
#endregion
#region Radius
internal int Radius
{
get { return (_Radius); }
}
#endregion
#region Rank
internal GaugeTickMarkRank Rank
{
get { return (_Rank); }
}
#endregion
#region Width
internal int Width
{
get { return (_Width); }
set { _Width = value; }
}
#endregion
#endregion
#region HookEvents
private void HookEvents(bool hook)
{
if (hook == true)
{
_Layout.TickMarkLayoutChanged += TickMarkLayout_TickMarkLayoutChanged;
}
else
{
_Layout.TickMarkLayoutChanged -= TickMarkLayout_TickMarkLayoutChanged;
}
}
#endregion
#region Event processing
void TickMarkLayout_TickMarkLayoutChanged(object sender, EventArgs e)
{
OnGaugeItemChanged(true);
}
#endregion
#region RecalcLayout
public override void RecalcLayout()
{
if (NeedRecalcLayout == true)
{
base.RecalcLayout();
CalcTickMarkMetrics();
_GaugeMarker.Clear();
}
}
#region CalcTickMarkMetrics
private void CalcTickMarkMetrics()
{
if (Scale is GaugeCircularScale)
CalcCircularMetrics(Scale as GaugeCircularScale);
else if (Scale is GaugeLinearScale)
CalcLinearMetrics(Scale as GaugeLinearScale);
}
#region CalcCircularMetrics
private void CalcCircularMetrics(GaugeCircularScale scale)
{
_Radius = scale.AbsRadius;
_Length = (int)(_Radius * _Layout.Length);
_Width = (int)(_Radius * _Layout.Width);
int m = scale.AbsScaleWidth;
int offset = (int)(scale.AbsRadius * _Layout.ScaleOffset);
switch (_Layout.Placement)
{
case DisplayPlacement.Near:
_Radius -= ((_Length + m / 2) + offset);
break;
case DisplayPlacement.Center:
_Radius += ((_Length / 2) + offset + 1);
break;
case DisplayPlacement.Far:
_Radius += ((_Length + m / 2) + offset);
break;
}
}
#endregion
#region CalcLinearMetrics
private void CalcLinearMetrics(GaugeLinearScale scale)
{
if (scale.Orientation == Orientation.Horizontal)
CalcHorizontalLayout(scale);
else
CalcVerticalLayout(scale);
}
#region CalcHorizontalLayout
private void CalcHorizontalLayout(GaugeLinearScale scale)
{
int n = scale.AbsWidth;
_Length = (int)(n * _Layout.Length);
_Width = (int)(n * _Layout.Width);
if (_Layout.Length > 0 && _Length < 2)
_Length = 2;
if (_Layout.Width > 0 && _Width < 2)
_Width = 2;
int offset = (int) (n * _Layout.ScaleOffset);
_Bounds = scale.ScaleBounds;
_Bounds.Height = _Length;
switch (_Layout.Placement)
{
case DisplayPlacement.Near:
_Bounds.Y = scale.ScaleBounds.Top - _Length - offset;
break;
case DisplayPlacement.Center:
_Bounds.Y = scale.Center.Y - _Length / 2 - offset;
break;
case DisplayPlacement.Far:
_Bounds.Y = scale.ScaleBounds.Bottom + offset;
break;
}
_Offset = _Bounds.Y - scale.ScaleBounds.Y;
}
#endregion
#region CalcVerticalLayout
private void CalcVerticalLayout(GaugeLinearScale scale)
{
int n = scale.AbsWidth;
_Length = (int)(n * _Layout.Length);
_Width = (int)(n * _Layout.Width);
if (_Layout.Length > 0 && _Length < 2)
_Length = 2;
if (_Layout.Width > 0 && _Width < 2)
_Width = 2;
int offset = (int)(n * _Layout.ScaleOffset);
_Bounds = scale.ScaleBounds;
_Bounds.Width = _Length;
switch (_Layout.Placement)
{
case DisplayPlacement.Near:
_Bounds.X = scale.ScaleBounds.Left - _Length - offset;
break;
case DisplayPlacement.Center:
_Bounds.X = scale.Center.X - _Length / 2 - offset;
break;
case DisplayPlacement.Far:
_Bounds.X = scale.ScaleBounds.Right + offset;
break;
}
_Offset = _Bounds.X - scale.ScaleBounds.X;
}
#endregion
#endregion
#endregion
#endregion
#region Paint support
#region PaintTickPoint
#region PaintTickPoint
internal void PaintTickPoint(Graphics g, TickPoint tp)
{
Image image = _Layout.Image ?? GetTickMarkBitmap(g, tp);
if (image != null)
{
if (Scale is GaugeCircularScale)
PaintCircularTickPoint(g, tp, image);
else if (Scale is GaugeLinearScale)
PaintLinearTickPoint(g, tp, image, Scale as GaugeLinearScale);
}
}
#endregion
#region PaintCircularTickPoint
private void PaintCircularTickPoint(Graphics g, TickPoint tp, Image image)
{
Rectangle r = new Rectangle(0, 0, _Width, _Length);
float angle = tp.Angle + 90;
if (_Layout.Placement == DisplayPlacement.Near)
angle += 180;
g.TranslateTransform(tp.Point.X, tp.Point.Y);
g.RotateTransform(angle % 360);
r.X -= _Width / 2;
g.DrawImage(image, r);
g.ResetTransform();
}
#endregion
#region PaintLinearTickPoint
private void PaintLinearTickPoint(Graphics g,
TickPoint tp, Image image, GaugeLinearScale scale)
{
if (scale.Orientation == Orientation.Horizontal)
PaintHorizontalTickPoint(g, tp, image);
else
PaintVerticalTickPoint(g, tp, image);
}
#region PaintHorizontalTickPoint
private void PaintHorizontalTickPoint(Graphics g, TickPoint tp, Image image)
{
if (_Layout.Placement != DisplayPlacement.Far)
{
Rectangle r = new Rectangle(tp.Point.X, tp.Point.Y, _Width, _Length);
r.X -= _Width / 2;
g.DrawImage(image, r);
}
else
{
Rectangle r = new Rectangle(0, 0, _Width, _Length);
g.TranslateTransform(tp.Point.X, tp.Point.Y + _Length - (_Length % 2));
g.RotateTransform(180);
r.X -= _Width / 2;
g.DrawImage(image, r);
g.ResetTransform();
}
}
#endregion
#region PaintVerticalTickPoint
private void PaintVerticalTickPoint(Graphics g, TickPoint tp, Image image)
{
Rectangle r = new Rectangle(0, 0, _Width, _Length);
if (_Layout.Placement == DisplayPlacement.Far)
{
g.TranslateTransform(tp.Point.X + _Length - (_Length % 2), tp.Point.Y);
g.RotateTransform(90);
}
else
{
g.TranslateTransform(tp.Point.X, tp.Point.Y);
g.RotateTransform(-90);
}
r.X -= (_Width / 2);
g.DrawImage(image, r);
g.ResetTransform();
}
#endregion
#endregion
#endregion
#region GetTickMarkBitmap
internal Bitmap GetTickMarkBitmap(Graphics g, TickPoint tp)
{
if (_Layout.Style != GaugeMarkerStyle.None)
{
if (_Width > 0 && _Length > 0)
{
return (_GaugeMarker.GetMarkerBitmap(g, _Layout.Style,
GetTickMarkFillColor(tp), _Width, _Length));
}
}
return (null);
}
#endregion
#region GetTickMarkFillColor
private GradientFillColor GetTickMarkFillColor(TickPoint tp)
{
if (_Rank == GaugeTickMarkRank.Custom)
return (Layout.FillColor);
ColorSourceFillEntry entry = (_Rank == GaugeTickMarkRank.Major)
? ColorSourceFillEntry.MajorTickMark : ColorSourceFillEntry.MinorTickMark;
GradientFillColor fillColor = (Scale.GetRangeFillColor(tp.Interval, entry) ??
Scale.GetSectionFillColor(tp.Interval, entry)) ?? Layout.FillColor;
return (fillColor);
}
#endregion
#endregion
#region OnDispose
protected override void OnDispose()
{
HookEvents(false);
_GaugeMarker.Dispose();
base.OnDispose();
}
#endregion
#region ICloneable Members
public override object Clone()
{
GaugeTickMarkBase copy = new GaugeTickMarkBase(
_Scale, _Rank, _Layout.Style, _Layout.Width, _Layout.Length);
CopyToItem(copy);
return (copy);
}
#endregion
#region CopyToItem
public override void CopyToItem(GaugeItem copy)
{
GaugeTickMarkBase c = copy as GaugeTickMarkBase;
if (c != null)
{
base.CopyToItem(c);
_Layout.CopyToItem(c.Layout);
}
}
#endregion
}
#region GaugeTickMarkBaseConvertor
public class GaugeTickMarkBaseConvertor : ExpandableObjectConverter
{
public override object ConvertTo(
ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(string))
{
GaugeTickMarkBase tickMark = value as GaugeTickMarkBase;
if (tickMark != null)
{
return (String.Empty);
}
}
return (base.ConvertTo(context, culture, value, destinationType));
}
}
#endregion
#region Enums
public enum GaugeTickMarkRank
{
Major,
Minor,
Custom
}
public enum GaugeTickMarkOverlap
{
ReplaceNone,
ReplaceLast,
ReplaceAll
}
#endregion
}