initial commit
This commit is contained in:
i2p
@@ -0,0 +1,471 @@
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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.Drawing2D;
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using System.Drawing.Text;
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using System.Windows.Forms;
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using WinFormAnimation;
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namespace Server.Helper;
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[ToolboxItem(true)]
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[ToolboxBitmap(typeof(CircularProgressBar), "CircularProgressBar.bmp")]
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[DefaultBindingProperty("Value")]
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public class CircularProgressBar : ProgressBar
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{
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private readonly Animator _animator;
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private int? _animatedStartAngle;
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private float? _animatedValue;
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private AnimationFunctions.Function _animationFunction;
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private Brush _backBrush;
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private KnownAnimationFunctions _knownAnimationFunction;
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private ProgressBarStyle? _lastStyle;
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private int _lastValue;
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[Category("Behavior")]
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public KnownAnimationFunctions AnimationFunction
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{
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get
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{
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return _knownAnimationFunction;
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}
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set
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{
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_animationFunction = AnimationFunctions.FromKnown(value);
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_knownAnimationFunction = value;
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}
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}
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[Category("Behavior")]
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public int AnimationSpeed { get; set; }
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[EditorBrowsable(EditorBrowsableState.Never)]
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[Browsable(false)]
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public AnimationFunctions.Function CustomAnimationFunction
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{
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private get
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{
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return _animationFunction;
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}
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set
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{
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if (value == null)
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{
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throw new ArgumentNullException("value");
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}
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_knownAnimationFunction = KnownAnimationFunctions.None;
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_animationFunction = value;
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}
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}
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[EditorBrowsable(EditorBrowsableState.Always)]
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[Browsable(true)]
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public override Font Font
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{
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get
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{
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return base.Font;
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}
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set
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{
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base.Font = value;
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}
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}
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[Category("Appearance")]
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public Color InnerColor { get; set; }
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[Category("Layout")]
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public int InnerMargin { get; set; }
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[Category("Layout")]
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public int InnerWidth { get; set; }
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[Category("Appearance")]
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public Color OuterColor { get; set; }
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[Category("Layout")]
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public int OuterMargin { get; set; }
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[Category("Layout")]
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public int OuterWidth { get; set; }
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[Category("Appearance")]
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public Color ProgressColor { get; set; }
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[Category("Layout")]
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public int ProgressWidth { get; set; }
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[Category("Appearance")]
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public Font SecondaryFont { get; set; }
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[Category("Layout")]
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public int StartAngle { get; set; }
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[Category("Appearance")]
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public Color SubscriptColor { get; set; }
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[Category("Layout")]
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public Padding SubscriptMargin { get; set; }
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[Category("Appearance")]
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public string SubscriptText { get; set; }
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[Category("Appearance")]
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public Color SuperscriptColor { get; set; }
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[Category("Layout")]
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public Padding SuperscriptMargin { get; set; }
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[Category("Appearance")]
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public string SuperscriptText { get; set; }
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[EditorBrowsable(EditorBrowsableState.Always)]
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[Browsable(true)]
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public override string Text
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{
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get
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{
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return base.Text;
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}
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set
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{
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base.Text = value;
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}
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}
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[Category("Layout")]
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public Padding TextMargin { get; set; }
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public CircularProgressBar()
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{
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SetStyle(ControlStyles.UserPaint | ControlStyles.ResizeRedraw | ControlStyles.SupportsTransparentBackColor | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer, value: true);
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_animator = (base.DesignMode ? null : new Animator());
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AnimationFunction = KnownAnimationFunctions.Liner;
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AnimationSpeed = 500;
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base.MarqueeAnimationSpeed = 2000;
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StartAngle = 270;
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_lastValue = base.Value;
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BackColor = Color.Transparent;
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ForeColor = Color.FromArgb(64, 64, 64);
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DoubleBuffered = true;
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Font = new Font(Font.FontFamily, 72f, FontStyle.Bold);
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SecondaryFont = new Font(Font.FontFamily, (float)((double)Font.Size * 0.5), FontStyle.Regular);
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OuterMargin = -25;
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OuterWidth = 26;
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OuterColor = Color.Gray;
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ProgressWidth = 25;
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ProgressColor = Color.FromArgb(255, 128, 0);
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InnerMargin = 2;
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InnerWidth = -1;
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InnerColor = Color.FromArgb(224, 224, 224);
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TextMargin = new Padding(8, 8, 0, 0);
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base.Value = 68;
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SuperscriptMargin = new Padding(10, 35, 0, 0);
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SuperscriptColor = Color.FromArgb(166, 166, 166);
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SuperscriptText = "°C";
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SubscriptMargin = new Padding(10, -35, 0, 0);
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SubscriptColor = Color.FromArgb(166, 166, 166);
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SubscriptText = ".23";
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base.Size = new Size(320, 320);
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}
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private static PointF AddPoint(PointF p, int v)
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{
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p.X += v;
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p.Y += v;
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return p;
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}
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private static SizeF AddSize(SizeF s, int v)
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{
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s.Height += v;
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s.Width += v;
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return s;
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}
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private static Rectangle ToRectangle(RectangleF rect)
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{
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return new Rectangle((int)rect.X, (int)rect.Y, (int)rect.Width, (int)rect.Height);
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}
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protected override void OnLocationChanged(EventArgs e)
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{
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base.OnLocationChanged(e);
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Invalidate();
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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try
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{
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if (!base.DesignMode)
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{
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if (base.Style == ProgressBarStyle.Marquee)
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{
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InitializeMarquee(_lastStyle != base.Style);
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}
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else
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{
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InitializeContinues(_lastStyle != base.Style);
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}
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_lastStyle = base.Style;
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}
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if (_backBrush == null)
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{
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RecreateBackgroundBrush();
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}
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StartPaint(e.Graphics);
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}
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catch
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{
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}
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}
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protected override void OnParentBackColorChanged(EventArgs e)
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{
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RecreateBackgroundBrush();
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}
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protected override void OnParentBackgroundImageChanged(EventArgs e)
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{
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RecreateBackgroundBrush();
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}
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protected override void OnParentChanged(EventArgs e)
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{
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if (base.Parent != null)
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{
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base.Parent.Invalidated -= ParentOnInvalidated;
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base.Parent.Resize -= ParentOnResize;
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}
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base.OnParentChanged(e);
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if (base.Parent != null)
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{
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base.Parent.Invalidated += ParentOnInvalidated;
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base.Parent.Resize += ParentOnResize;
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}
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}
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protected override void OnStyleChanged(EventArgs e)
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{
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base.OnStyleChanged(e);
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Invalidate();
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}
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protected virtual void InitializeContinues(bool firstTime)
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{
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if (_lastValue == base.Value && !firstTime)
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{
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return;
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}
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_lastValue = base.Value;
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_animator.Stop();
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_animatedStartAngle = null;
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if (AnimationSpeed <= 0)
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{
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_animatedValue = base.Value;
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Invalidate();
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return;
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}
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_animator.Paths = new Path(_animatedValue ?? ((float)base.Value), base.Value, (ulong)AnimationSpeed, CustomAnimationFunction).ToArray();
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_animator.Repeat = false;
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_animator.Play(new SafeInvoker<float>(delegate(float v)
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{
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try
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{
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_animatedValue = v;
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Invalidate();
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}
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catch
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{
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_animator.Stop();
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}
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}, this));
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}
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protected virtual void InitializeMarquee(bool firstTime)
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{
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if (!firstTime && (_animator.ActivePath == null || (_animator.ActivePath.Duration == (ulong)base.MarqueeAnimationSpeed && _animator.ActivePath.Function == CustomAnimationFunction)))
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{
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return;
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}
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_animator.Stop();
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_animatedValue = null;
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if (AnimationSpeed <= 0)
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{
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_animatedStartAngle = 0;
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Invalidate();
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return;
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}
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_animator.Paths = new Path(0f, 359f, (ulong)base.MarqueeAnimationSpeed, CustomAnimationFunction).ToArray();
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_animator.Repeat = true;
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_animator.Play(new SafeInvoker<float>(delegate(float v)
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{
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try
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{
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_animatedStartAngle = (int)(v % 360f);
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Invalidate();
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}
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catch
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{
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_animator.Stop();
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}
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}, this));
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}
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protected virtual void ParentOnInvalidated(object sender, InvalidateEventArgs invalidateEventArgs)
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{
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RecreateBackgroundBrush();
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}
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protected virtual void ParentOnResize(object sender, EventArgs eventArgs)
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{
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RecreateBackgroundBrush();
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}
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protected virtual void RecreateBackgroundBrush()
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{
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lock (this)
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{
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_backBrush?.Dispose();
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_backBrush = new SolidBrush(BackColor);
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if (BackColor.A == byte.MaxValue)
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{
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return;
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}
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if (base.Parent != null && base.Parent.Width > 0 && base.Parent.Height > 0)
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{
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using (Bitmap bitmap = new Bitmap(base.Parent.Width, base.Parent.Height))
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{
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using (Graphics graphics = Graphics.FromImage(bitmap))
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{
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PaintEventArgs e = new PaintEventArgs(graphics, new Rectangle(new Point(0, 0), bitmap.Size));
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InvokePaintBackground(base.Parent, e);
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InvokePaint(base.Parent, e);
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if (BackColor.A > 0)
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{
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graphics.FillRectangle(_backBrush, base.Bounds);
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}
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}
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_backBrush = new TextureBrush(bitmap);
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((TextureBrush)_backBrush).TranslateTransform(-base.Bounds.X, -base.Bounds.Y);
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return;
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}
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}
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_backBrush = new SolidBrush(Color.FromArgb(255, BackColor));
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}
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}
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protected virtual void StartPaint(Graphics g)
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{
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try
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{
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lock (this)
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{
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g.TextRenderingHint = TextRenderingHint.AntiAlias;
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g.SmoothingMode = SmoothingMode.AntiAlias;
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PointF pointF = AddPoint(Point.Empty, 2);
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SizeF sizeF = AddSize(base.Size, -4);
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if (OuterWidth + OuterMargin < 0)
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{
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int num = Math.Abs(OuterWidth + OuterMargin);
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pointF = AddPoint(Point.Empty, num);
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sizeF = AddSize(base.Size, -2 * num);
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}
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if (OuterColor != Color.Empty && OuterColor != Color.Transparent && OuterWidth != 0)
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{
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g.FillEllipse(new SolidBrush(OuterColor), new RectangleF(pointF, sizeF));
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if (OuterWidth >= 0)
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{
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pointF = AddPoint(pointF, OuterWidth);
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sizeF = AddSize(sizeF, -2 * OuterWidth);
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g.FillEllipse(_backBrush, new RectangleF(pointF, sizeF));
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}
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}
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pointF = AddPoint(pointF, OuterMargin);
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sizeF = AddSize(sizeF, -2 * OuterMargin);
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g.FillPie(new SolidBrush(ProgressColor), ToRectangle(new RectangleF(pointF, sizeF)), _animatedStartAngle ?? StartAngle, ((_animatedValue ?? ((float)base.Value)) - (float)base.Minimum) / (float)(base.Maximum - base.Minimum) * 360f);
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if (ProgressWidth >= 0)
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{
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pointF = AddPoint(pointF, ProgressWidth);
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sizeF = AddSize(sizeF, -2 * ProgressWidth);
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g.FillEllipse(_backBrush, new RectangleF(pointF, sizeF));
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}
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pointF = AddPoint(pointF, InnerMargin);
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sizeF = AddSize(sizeF, -2 * InnerMargin);
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if (InnerColor != Color.Empty && InnerColor != Color.Transparent && InnerWidth != 0)
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{
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g.FillEllipse(new SolidBrush(InnerColor), new RectangleF(pointF, sizeF));
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if (InnerWidth >= 0)
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{
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pointF = AddPoint(pointF, InnerWidth);
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sizeF = AddSize(sizeF, -2 * InnerWidth);
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g.FillEllipse(_backBrush, new RectangleF(pointF, sizeF));
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}
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}
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if (Text == string.Empty)
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{
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return;
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}
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pointF.X += TextMargin.Left;
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pointF.Y += TextMargin.Top;
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sizeF.Width -= TextMargin.Right;
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sizeF.Height -= TextMargin.Bottom;
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StringFormat format = new StringFormat((RightToLeft == RightToLeft.Yes) ? StringFormatFlags.DirectionRightToLeft : ((StringFormatFlags)0))
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{
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Alignment = StringAlignment.Center,
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LineAlignment = StringAlignment.Near
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};
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SizeF size = g.MeasureString(Text, Font);
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PointF location = new PointF(pointF.X + (sizeF.Width - size.Width) / 2f, pointF.Y + (sizeF.Height - size.Height) / 2f);
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if (SubscriptText != string.Empty || SuperscriptText != string.Empty)
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{
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float num2 = 0f;
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SizeF size2 = SizeF.Empty;
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SizeF size3 = SizeF.Empty;
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if (SuperscriptText != string.Empty)
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{
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size2 = g.MeasureString(SuperscriptText, SecondaryFont);
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num2 = Math.Max(size2.Width, num2);
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size2.Width -= SuperscriptMargin.Right;
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size2.Height -= SuperscriptMargin.Bottom;
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}
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if (SubscriptText != string.Empty)
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{
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size3 = g.MeasureString(SubscriptText, SecondaryFont);
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num2 = Math.Max(size3.Width, num2);
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size3.Width -= SubscriptMargin.Right;
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size3.Height -= SubscriptMargin.Bottom;
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}
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location.X -= num2 / 4f;
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if (SuperscriptText != string.Empty)
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{
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PointF location2 = new PointF(location.X + size.Width - size2.Width / 2f, location.Y - size2.Height * 0.85f);
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location2.X += SuperscriptMargin.Left;
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location2.Y += SuperscriptMargin.Top;
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g.DrawString(SuperscriptText, SecondaryFont, new SolidBrush(SuperscriptColor), new RectangleF(location2, size2), format);
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}
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if (SubscriptText != string.Empty)
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{
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PointF location3 = new PointF(location.X + size.Width - size3.Width / 2f, location.Y + size.Height * 0.85f);
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location3.X += SubscriptMargin.Left;
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location3.Y += SubscriptMargin.Top;
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g.DrawString(SubscriptText, SecondaryFont, new SolidBrush(SubscriptColor), new RectangleF(location3, size3), format);
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}
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}
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g.DrawString(Text, Font, new SolidBrush(ForeColor), new RectangleF(location, size), format);
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}
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}
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catch
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{
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}
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}
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}
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