DotNet 4.8.1 build of DotNetBar
This commit is contained in:
@@ -0,0 +1,797 @@
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Design;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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namespace DevComponents.Instrumentation
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{
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public class StateIndicator : GaugeIndicator
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{
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#region Private variables
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private StateIndicatorStyle _Style;
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private StateRangeCollection _Ranges;
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private Image _Image;
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private float _Angle;
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private float _RoundRectangleArc;
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private Color _TextColor;
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private TextAlignment _TextAlignment;
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private float _TextVerticalOffset;
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private float _TextHorizontalOffset;
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private Font _AbsFont;
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#endregion
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public StateIndicator()
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{
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InitIndicator();
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}
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#region InitIndicator
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private void InitIndicator()
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{
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_Style = StateIndicatorStyle.Circular;
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_RoundRectangleArc = .75f;
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_TextColor = Color.Black;
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_TextAlignment = TextAlignment.MiddleCenter;
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BackColor.Color1 = Color.PaleGreen;
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BackColor.Color2 = Color.DarkGreen;
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}
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#endregion
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#region Public properties
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#region Angle
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/// <summary>
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/// Gets or sets the amount to rotate the indicator, specified in degrees.
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/// </summary>
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[Browsable(true)]
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[Category("Layout"), DefaultValue(0f)]
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[Editor("DevComponents.Instrumentation.Design.AngleRangeValueEditor, DevComponents.Instrumentation.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=76cb4c6eb576bca5", typeof(UITypeEditor))]
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[Description("Determines the amount to rotate the indicator, specified in degrees.")]
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public float Angle
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{
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get { return (_Angle); }
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set
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{
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if (_Angle != value)
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{
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_Angle = value;
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OnGaugeItemChanged(true);
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}
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}
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}
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#endregion
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#region Image
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/// <summary>
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/// Gets or sets the Image to use
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/// </summary>
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[Browsable(true), Category("Appearance"), DefaultValue(null)]
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[Description("Indicates the Image to use.")]
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public Image Image
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{
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get { return (_Image); }
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set
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{
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if (_Image != value)
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{
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_Image = value;
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OnGaugeItemChanged(true);
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}
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}
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}
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#endregion
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#region Ranges
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/// <summary>
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/// Gets the collection of Ranges associated with the Indicator
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/// </summary>
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[Browsable(true), Category("Behavior")]
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[Description("Indicates the collection of Ranges associated with the Indicator.")]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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[Editor("DevComponents.Instrumentation.Design.GaugeCollectionEditor, DevComponents.Instrumentation.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=76cb4c6eb576bca5", typeof(UITypeEditor))]
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public StateRangeCollection Ranges
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{
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get
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{
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if (_Ranges == null)
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{
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_Ranges = new StateRangeCollection();
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_Ranges.CollectionChanged += StateRanges_CollectionChanged;
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}
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return (_Ranges);
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}
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set
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{
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if (_Ranges != null)
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_Ranges.CollectionChanged -= StateRanges_CollectionChanged;
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_Ranges = value;
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if (_Ranges != null)
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_Ranges.CollectionChanged += StateRanges_CollectionChanged;
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OnGaugeItemChanged(true);
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}
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}
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#endregion
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#region RoundRectangleArc
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/// <summary>
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/// Gets or sets the RoundRectangle corner radius,
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/// measured as a percentage of the width/height.
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/// </summary>
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[Browsable(true)]
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[Category("Appearance"), DefaultValue(.75f)]
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[Description("Indicates the RoundRectangle corner radius, measured as a percentage of the width/height.")]
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[Editor("DevComponents.Instrumentation.Design.WidthMaxRangeValueEditor, DevComponents.Instrumentation.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=76cb4c6eb576bca5", typeof(UITypeEditor))]
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public float RoundRectangleArc
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{
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get { return (_RoundRectangleArc); }
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set
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{
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if (_RoundRectangleArc != value)
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{
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if (value < 0 || value > 1f)
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throw new ArgumentException("Radius must be between 0 and 1");
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_RoundRectangleArc = value;
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OnGaugeItemChanged(true);
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}
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}
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}
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#endregion
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#region Style
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/// <summary>
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/// Gets or sets the Indicator Style
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/// </summary>
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[Browsable(true), Category("Behavior"), DefaultValue(StateIndicatorStyle.Circular)]
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[Description("Indicates the Indicator Style.")]
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public StateIndicatorStyle Style
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{
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get { return (_Style); }
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set
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{
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if (_Style != value)
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{
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_Style = value;
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OnGaugeItemChanged(true);
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}
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}
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}
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#endregion
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#region TextAlignment
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/// <summary>
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/// Gets or sets the alignment of the text
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/// </summary>
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[Browsable(true)]
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[Category("Layout"), DefaultValue(TextAlignment.MiddleCenter)]
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[Description("Indicates the alignment of the text.")]
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public TextAlignment TextAlignment
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{
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get { return (_TextAlignment); }
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set
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{
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if (_TextAlignment != value)
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{
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_TextAlignment = value;
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OnGaugeItemChanged(true);
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}
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}
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}
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#endregion
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#region TextColor
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/// <summary>
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/// Gets or sets the text Color
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/// </summary>
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[Browsable(true), Category("Appearance"), DefaultValue(typeof(Color), "Black")]
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[Description("Indicates the text Color.")]
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public Color TextColor
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{
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get { return (_TextColor); }
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set
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{
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if (_TextColor != value)
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{
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_TextColor = value;
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OnGaugeItemChanged(true);
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}
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}
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}
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#endregion
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#region TextHorizontalOffset
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/// <summary>
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/// Gets or sets the horizontal distance to offset the Indicator Text, measured as a percentage
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/// </summary>
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[Browsable(true)]
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[Category("Layout"), DefaultValue(0f)]
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[Editor("DevComponents.Instrumentation.Design.OffsetRangeValueEditor, DevComponents.Instrumentation.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=76cb4c6eb576bca5", typeof(UITypeEditor))]
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[Description("Indicates the horizontal distance to offset the Indicator Text, measured as a percentage.")]
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public float TextHorizontalOffset
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{
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get { return (_TextHorizontalOffset); }
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set
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{
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if (_TextHorizontalOffset != value)
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{
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_TextHorizontalOffset = value;
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OnGaugeItemChanged(true);
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}
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}
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}
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#endregion
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#region TextVerticalOffset
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/// <summary>
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/// Gets or sets the vertical distance to offset the Indicator Text, measured as a percentage
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/// </summary>
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[Browsable(true)]
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[Category("Layout"), DefaultValue(0f)]
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[Editor("DevComponents.Instrumentation.Design.OffsetRangeValueEditor, DevComponents.Instrumentation.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=76cb4c6eb576bca5", typeof(UITypeEditor))]
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[Description("Indicates the vertical distance to offset the Indicator Text, measured as a percentage.")]
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public float TextVerticalOffset
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{
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get { return (_TextVerticalOffset); }
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set
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{
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if (_TextVerticalOffset != value)
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{
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_TextVerticalOffset = value;
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OnGaugeItemChanged(true);
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}
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}
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}
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#endregion
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#endregion
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#region Internal properties
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#region AbsFont
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internal override Font AbsFont
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{
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get
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{
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if (AutoSize == false)
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return (Font);
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if (_AbsFont == null)
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{
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int n = Math.Min(Bounds.Width, Bounds.Height);
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float emSize = Font.SizeInPoints;
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emSize = (emSize / 40) * n;
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AbsFont = new Font(Font.FontFamily, emSize, Font.Style);
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}
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return (_AbsFont);
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}
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set
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{
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if (_AbsFont != null)
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_AbsFont.Dispose();
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_AbsFont = value;
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}
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}
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#endregion
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#endregion
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#region Event processing
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#region StateRange processing
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void StateRanges_CollectionChanged(object sender, EventArgs e)
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{
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foreach (StateRange range in _Ranges)
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{
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range.StateIndicator = this;
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range.IndicatorRangeChanged -= StateRange_ItemChanged;
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range.IndicatorRangeChanged += StateRange_ItemChanged;
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}
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}
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void StateRange_ItemChanged(object sender, EventArgs e)
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{
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OnGaugeItemChanged(true);
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}
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#endregion
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#endregion
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#region RecalcLayout
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public override void RecalcLayout()
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{
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if (NeedRecalcLayout == true)
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{
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Size size = Bounds.Size;
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base.RecalcLayout();
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if (size.Equals(Bounds.Size) == false)
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AbsFont = null;
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}
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}
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#endregion
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#region OnPaint
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#region OnPaint
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public override void OnPaint(PaintEventArgs e)
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{
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Graphics g = e.Graphics;
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RecalcLayout();
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if (GaugeControl.OnPreRenderIndicator(e, this) == false)
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{
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InterpolationMode im = g.InterpolationMode;
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g.InterpolationMode = InterpolationMode.HighQualityBicubic;
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g.TranslateTransform(Center.X, Center.Y);
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g.RotateTransform(_Angle % 360);
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Rectangle r = new Rectangle(0, 0, Bounds.Width, Bounds.Height);
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r.X -= Bounds.Width / 2;
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r.Y -= Bounds.Height / 2;
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StateRange range = GetStateRange();
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DrawStateImage(g, r, range);
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DrawStateText(g, r, range);
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GaugeControl.OnPostRenderIndicator(e, this);
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g.ResetTransform();
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g.InterpolationMode = im;
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}
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}
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#region GetStateRange
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private StateRange GetStateRange()
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{
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return (_Ranges != null ? _Ranges.GetValueRange(DValue) : null);
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}
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#endregion
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#region DrawStateImage
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private void DrawStateImage(Graphics g, Rectangle r, StateRange range)
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{
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Image image = (range != null) ? range.Image : _Image;
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if (image != null)
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{
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if (AutoSize == true)
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{
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g.DrawImage(image, r);
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}
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else
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{
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r.X += (r.Width - image.Width) / 2;
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r.Y += (r.Height - image.Height) / 2;
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g.DrawImageUnscaled(image, r);
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}
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}
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else
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{
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GradientFillColor fillColor =
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(range != null) ? range.BackColor : BackColor;
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using (GraphicsPath path = GetStatePath(r))
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RenderBackPath(g, path, r, fillColor);
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}
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}
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#region GetStatePath
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private GraphicsPath GetStatePath(Rectangle r)
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{
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switch (_Style)
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{
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case StateIndicatorStyle.Circular:
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return (GetCircularState(r));
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case StateIndicatorStyle.Rectangular:
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return (GetRectState(r));
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default:
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return (GetRoundRectState(r));
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}
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}
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#endregion
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#region GetCircularState
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private GraphicsPath GetCircularState(Rectangle bounds)
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{
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GraphicsPath path = new GraphicsPath();
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path.AddEllipse(bounds);
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return (path);
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}
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#endregion
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#region GetRectState
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private GraphicsPath GetRectState(Rectangle bounds)
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{
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GraphicsPath path = new GraphicsPath();
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path.AddRectangle(bounds);
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return (path);
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}
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#endregion
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#region GetRoundRectState
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private GraphicsPath GetRoundRectState(Rectangle bounds)
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{
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GraphicsPath path = new GraphicsPath();
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int m = Math.Min(bounds.Width, bounds.Height);
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int n = (int)(m * _RoundRectangleArc) + 1;
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Rectangle t = new Rectangle(bounds.Right - n, bounds.Bottom - n, n, n);
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path.AddArc(t, 0, 90);
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t.X = bounds.X;
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path.AddArc(t, 90, 90);
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t.Y = bounds.Y;
|
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path.AddArc(t, 180, 90);
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||||
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t.X = bounds.Right - n;
|
||||
path.AddArc(t, 270, 90);
|
||||
|
||||
path.CloseAllFigures();
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||||
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return (path);
|
||||
}
|
||||
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||||
#endregion
|
||||
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#region RenderBackPath
|
||||
|
||||
private void RenderBackPath(Graphics g,
|
||||
GraphicsPath path, Rectangle bounds, GradientFillColor fillColor)
|
||||
{
|
||||
Rectangle r = bounds;
|
||||
GradientFillType fillType = fillColor.GradientFillType;
|
||||
|
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if (fillColor.End.IsEmpty)
|
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{
|
||||
fillType = GradientFillType.None;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (fillColor.GradientFillType == GradientFillType.Auto)
|
||||
fillType = GradientFillType.Center;
|
||||
}
|
||||
|
||||
switch (fillType)
|
||||
{
|
||||
case GradientFillType.Angle:
|
||||
using (Brush br = fillColor.GetBrush(r))
|
||||
{
|
||||
if (br is LinearGradientBrush)
|
||||
((LinearGradientBrush)br).WrapMode = WrapMode.TileFlipXY;
|
||||
|
||||
g.FillPath(br, path);
|
||||
}
|
||||
break;
|
||||
|
||||
case GradientFillType.StartToEnd:
|
||||
using (Brush br = fillColor.GetBrush(r, 90))
|
||||
{
|
||||
if (br is LinearGradientBrush)
|
||||
((LinearGradientBrush)br).WrapMode = WrapMode.TileFlipXY;
|
||||
|
||||
g.FillPath(br, path);
|
||||
}
|
||||
break;
|
||||
|
||||
case GradientFillType.HorizontalCenter:
|
||||
r.Height /= 2;
|
||||
|
||||
if (r.Height <= 0)
|
||||
r.Height = 1;
|
||||
|
||||
using (LinearGradientBrush br = new
|
||||
LinearGradientBrush(r, fillColor.Start, fillColor.End, 90))
|
||||
{
|
||||
br.WrapMode = WrapMode.TileFlipXY;
|
||||
|
||||
g.FillPath(br, path);
|
||||
}
|
||||
break;
|
||||
|
||||
case GradientFillType.VerticalCenter:
|
||||
r.Width /= 2;
|
||||
|
||||
if (r.Width <= 0)
|
||||
r.Width = 1;
|
||||
|
||||
using (LinearGradientBrush br = new
|
||||
LinearGradientBrush(r, fillColor.Start, fillColor.End, 0f))
|
||||
{
|
||||
br.WrapMode = WrapMode.TileFlipXY;
|
||||
|
||||
g.FillPath(br, path);
|
||||
}
|
||||
break;
|
||||
|
||||
case GradientFillType.Center:
|
||||
using (PathGradientBrush br = new PathGradientBrush(path))
|
||||
{
|
||||
br.CenterPoint = new PointF(bounds.X + bounds.Width / 2, bounds.Y + bounds.Height / 2);
|
||||
br.CenterColor = fillColor.Start;
|
||||
br.SurroundColors = new Color[] { fillColor.End };
|
||||
|
||||
g.FillPath(br, path);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
using (Brush br = new SolidBrush(fillColor.Start))
|
||||
g.FillPath(br, path);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
if (fillColor.BorderWidth > 0 && fillColor.BorderColor.IsEmpty == false)
|
||||
{
|
||||
using (Pen pen = new Pen(fillColor.BorderColor, fillColor.BorderWidth))
|
||||
g.DrawPath(pen, path);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (fillType == GradientFillType.Center)
|
||||
{
|
||||
using (Pen pen = new Pen(fillColor.End))
|
||||
g.DrawPath(pen, path);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#endregion
|
||||
|
||||
#region DrawStateText
|
||||
|
||||
private void DrawStateText(Graphics g, Rectangle r, StateRange range)
|
||||
{
|
||||
string text = (range != null)
|
||||
? range.Text : GetOverrideString();
|
||||
|
||||
if (string.IsNullOrEmpty(text) == false)
|
||||
{
|
||||
using (StringFormat sf = new StringFormat())
|
||||
{
|
||||
SetStringAlignment(sf);
|
||||
|
||||
Color color = _TextColor;
|
||||
|
||||
if (range != null)
|
||||
{
|
||||
color = range.TextColor;
|
||||
|
||||
int dx = (int)(r.Width * range.TextHorizontalOffset);
|
||||
int dy = (int)(r.Height * range.TextVerticalOffset);
|
||||
|
||||
r.Offset(dx, dy);
|
||||
}
|
||||
else
|
||||
{
|
||||
int dx = (int)(r.Width * _TextHorizontalOffset);
|
||||
int dy = (int)(r.Height * _TextVerticalOffset);
|
||||
|
||||
r.Offset(dx, dy);
|
||||
}
|
||||
|
||||
using (Brush br = new SolidBrush(color))
|
||||
g.DrawString(text, AbsFont, br, r, sf);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#region SetStringAlignment
|
||||
|
||||
private void SetStringAlignment(StringFormat sf)
|
||||
{
|
||||
switch (_TextAlignment)
|
||||
{
|
||||
case TextAlignment.TopLeft:
|
||||
sf.LineAlignment = StringAlignment.Near;
|
||||
sf.Alignment = StringAlignment.Near;
|
||||
break;
|
||||
|
||||
case TextAlignment.TopCenter:
|
||||
sf.LineAlignment = StringAlignment.Near;
|
||||
sf.Alignment = StringAlignment.Center;
|
||||
break;
|
||||
|
||||
case TextAlignment.TopRight:
|
||||
sf.LineAlignment = StringAlignment.Near;
|
||||
sf.Alignment = StringAlignment.Far;
|
||||
break;
|
||||
|
||||
case TextAlignment.MiddleLeft:
|
||||
sf.LineAlignment = StringAlignment.Center;
|
||||
sf.Alignment = StringAlignment.Near;
|
||||
break;
|
||||
|
||||
case TextAlignment.MiddleCenter:
|
||||
sf.LineAlignment = StringAlignment.Center;
|
||||
sf.Alignment = StringAlignment.Center;
|
||||
break;
|
||||
|
||||
case TextAlignment.MiddleRight:
|
||||
sf.LineAlignment = StringAlignment.Center;
|
||||
sf.Alignment = StringAlignment.Far;
|
||||
break;
|
||||
|
||||
case TextAlignment.BottomLeft:
|
||||
sf.LineAlignment = StringAlignment.Far;
|
||||
sf.Alignment = StringAlignment.Near;
|
||||
break;
|
||||
|
||||
case TextAlignment.BottomCenter:
|
||||
sf.LineAlignment = StringAlignment.Far;
|
||||
sf.Alignment = StringAlignment.Center;
|
||||
break;
|
||||
|
||||
case TextAlignment.BottomRight:
|
||||
sf.LineAlignment = StringAlignment.Far;
|
||||
sf.Alignment = StringAlignment.Far;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#endregion
|
||||
|
||||
#endregion
|
||||
|
||||
#endregion
|
||||
|
||||
#region Refresh
|
||||
|
||||
internal void Refresh()
|
||||
{
|
||||
if (NeedRecalcLayout == false)
|
||||
OnGaugeItemChanged(false);
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region Contains
|
||||
|
||||
internal override bool Contains(Point pt)
|
||||
{
|
||||
using (GraphicsPath path = GetStatePath(Bounds))
|
||||
{
|
||||
Matrix matrix = new Matrix();
|
||||
matrix.RotateAt(_Angle, Center);
|
||||
|
||||
path.Transform(matrix);
|
||||
|
||||
return (path.IsVisible(pt));
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region CopyToItem
|
||||
|
||||
public override void CopyToItem(GaugeItem copy)
|
||||
{
|
||||
StateIndicator c = copy as StateIndicator;
|
||||
|
||||
if (c != null)
|
||||
{
|
||||
base.CopyToItem(c);
|
||||
|
||||
c.Angle = _Angle;
|
||||
c.Image = _Image;
|
||||
|
||||
if (_Ranges != null)
|
||||
c.Ranges = (StateRangeCollection)_Ranges.Clone();
|
||||
|
||||
c.RoundRectangleArc = _RoundRectangleArc;
|
||||
c.Style = _Style;
|
||||
c.TextAlignment = _TextAlignment;
|
||||
c.TextColor = _TextColor;
|
||||
c.TextHorizontalOffset = _TextHorizontalOffset;
|
||||
c.TextVerticalOffset = _TextVerticalOffset;
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
|
||||
#region Enums
|
||||
|
||||
public enum StateIndicatorStyle
|
||||
{
|
||||
Rectangular,
|
||||
RoundedRectangular,
|
||||
Circular
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user