public GaugeStrip()
{
FillColor = new GradientFillColor();
_StartValue = double.NaN;
_EndValue = double.NaN;
}
public Bitmap GetMarkerBitmap(Graphics g,
GaugeMarkerStyle style, GradientFillColor fillColor, int width, int length)
{
Bitmap bitmap = FindBitmap(fillColor);
if (bitmap == null)
{
width = Math.Max(width, 3);
length = Math.Max(length, 3);
bitmap = new Bitmap(width, length, g);
_Bitmaps.Add(new BitmapEntry(fillColor, bitmap));
using (Graphics gBmp = Graphics.FromImage(bitmap))
{
gBmp.SmoothingMode = SmoothingMode.AntiAlias;
Rectangle r = new Rectangle();
r.Height = length;
r.Width = width;
using (GraphicsPath path = GetMarkerPath(style, r))
FillMarkerPath(gBmp, path, r, style, fillColor);
}
}
return (bitmap);
}
public Bitmap FindBitmap(GradientFillColor fillColor)
{
foreach (BitmapEntry entry in _Bitmaps)
{
if (entry.FillColor.IsEqualTo(fillColor) == true)
return (entry.Bitmap);
}
return (null);
}
public GaugeFrame(GaugeControl gaugeControl)
{
_GaugeControl = gaugeControl;
Style = GaugeFrameStyle.None;
_InnerBevel = .035f;
_OuterBevel = .05f;
_RoundRectangleArc = .125f;
_BackSigmaFocus = 1;
_BackSigmaScale = 1;
_FrameSigmaFocus = .15f;
_FrameSigmaScale = 1;
BackColor = new GradientFillColor(Color.Silver, Color.Gray, 45);
FrameColor = new GradientFillColor(Color.Gainsboro, Color.Gray, 45);
}
public TickMarkLayout(GaugeMarkerStyle style, float width, float length)
{
_Style = style;
_Width = width;
_Length = length;
_DefaultStyle = style;
_DefaultWidth = width;
_DefaultLength = length;
_Placement = DisplayPlacement.Center;
FillColor = new GradientFillColor(Color.DarkGray, Color.White);
FillColor.BorderColor = Color.DimGray;
FillColor.BorderWidth = 1;
_Overlap = GaugeTickMarkOverlap.ReplaceAll;
}
public GaugePin(GaugeScale scale, bool isMmaxPin, string name)
{
_Scale = scale;
_IsMaxPin = isMmaxPin;
Name = name;
_GaugeMarker = new GaugeMarker();
_Label = new GaugePinLabel(this);
FillColor = new GradientFillColor(Color.WhiteSmoke);
FillColor.BorderColor = Color.DimGray;
FillColor.BorderWidth = 1;
Length = .06f;
Width = .06f;
_EndOffset = .02f;
HookEvents(true);
}
internal void ResetFrameColor()
{
FrameColor = new GradientFillColor(Color.Gainsboro, Color.Gray, 45);
}
public BitmapEntry(GradientFillColor fillColor, Bitmap bitmap)
{
FillColor = (GradientFillColor)fillColor.Clone();
Bitmap = bitmap;
}
private void RenderBackPath(Graphics g,
GraphicsPath path, Rectangle bounds, GradientFillColor fillColor)
{
Rectangle r = bounds;
GradientFillType fillType = fillColor.GradientFillType;
if (fillColor.End.IsEmpty)
{
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);
}
}
}
private GradientFillType GetMarkerFillType(GaugeMarkerStyle style, GradientFillColor fillColor)
{
if (fillColor.End.IsEmpty == true)
return (GradientFillType.None);
if (fillColor.GradientFillType == GradientFillType.Auto)
{
switch (style)
{
case GaugeMarkerStyle.Circle:
case GaugeMarkerStyle.Star5:
case GaugeMarkerStyle.Star7:
return (GradientFillType.Center);
default:
return (GradientFillType.VerticalCenter);
}
}
return (fillColor.GradientFillType);
}
private void RenderFill(Graphics g, Rectangle r, GraphicsPath path,
GradientFillColor fillColor, GradientFillType fillType, int angle, bool offset)
{
if (fillColor.Color2.IsEmpty)
fillType = GradientFillType.None;
switch (fillType)
{
case GradientFillType.Auto:
case GradientFillType.Angle:
if (offset == false)
angle += fillColor.GradientAngle;
using (Brush br = fillColor.GetBrush(r, angle))
{
if (br is LinearGradientBrush)
((LinearGradientBrush)br).WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
break;
case GradientFillType.StartToEnd:
using (Brush br = fillColor.GetBrush(r, 90 + angle))
{
if (br is LinearGradientBrush)
((LinearGradientBrush)br).WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
break;
case GradientFillType.HorizontalCenter:
if (r.Height >= 2)
r.Height /= 2;
using (LinearGradientBrush br = new
LinearGradientBrush(r, fillColor.Start, fillColor.End, 90 + angle))
{
br.WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
break;
case GradientFillType.VerticalCenter:
if (r.Width >= 2)
r.Width /= 2;
using (LinearGradientBrush br = new
LinearGradientBrush(r, fillColor.Start, fillColor.End, 0f + angle))
{
br.WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
break;
case GradientFillType.Center:
using (PathGradientBrush br = new PathGradientBrush(path))
{
if (offset == true && Scale is GaugeCircularScale)
br.CenterPoint = ((GaugeCircularScale)Scale).GetPoint((int) (r.Width * .45f), 180 + 45 + angle);
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;
}
}
private void RenderBorder(
Graphics g, GraphicsPath path, GradientFillColor fillColor)
{
if (fillColor.BorderWidth > 0)
{
using (Pen pen = new Pen(fillColor.BorderColor, fillColor.BorderWidth))
{
pen.Alignment = PenAlignment.Inset;
g.DrawPath(pen, path);
}
}
}
protected virtual void RenderBarByCenter(Graphics g, GraphicsPath path, GradientFillColor fillColor)
{
using (PathGradientBrush br = new PathGradientBrush(path))
{
br.WrapMode = WrapMode.TileFlipXY;
br.CenterColor = fillColor.Color1;
br.SurroundColors = new Color[] {fillColor.Color2};
if (Scale is GaugeCircularScale)
{
br.CenterPoint = Scale.Center;
float m = (float)Width / (_Bounds.Width / 2);
Blend blnd = new Blend();
blnd.Positions = new float[] { 0f, m, 1f };
blnd.Factors = new float[] { 1f, 0f, 0f };
br.Blend = blnd;
}
g.FillPath(br, path);
}
}
internal virtual void ResetBackColor()
{
BackColor = new GradientFillColor(Color.Silver, Color.Gray, 45);
}
internal void FillMarkerPath(Graphics g, GraphicsPath path,
Rectangle r, GaugeMarkerStyle style, GradientFillColor fillColor)
{
GradientFillType fillType = GetMarkerFillType(style, fillColor);
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.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)
{
using (Pen pen = new Pen(fillColor.BorderColor, fillColor.BorderWidth))
{
pen.Alignment = PenAlignment.Inset;
g.DrawPath(pen, path);
}
}
}
private void RenderBarStartToEnd(Graphics g,
GraphicsPath path, GradientFillColor fillColor)
{
if (Scale is GaugeCircularScale)
{
using (PathGradientBrush br = ((GaugeCircularScale)Scale).CreateGradient(
Scale.GaugeControl.Frame.Bounds, _StartAngle, _SweepAngle, fillColor, Width * 2))
{
if (GaugePointer.BarStyle == BarPointerStyle.Rounded)
{
using (Brush br2 = new SolidBrush(fillColor.Color2))
g.FillPath(br2, path);
}
g.FillPath(br, path);
}
}
else
{
Rectangle t = Rectangle.Round(path.GetBounds());
float angle = _RoundAngle + (Scale.Reversed ? 180 : 0);
using (Brush br = fillColor.GetBrush(t, (int)angle))
g.FillPath(br, path);
}
}
internal void ResetFillColor()
{
FillColor = new GradientFillColor(Color.DarkGray, Color.White);
FillColor.BorderColor = Color.DimGray;
FillColor.BorderWidth = 1;
}
private GradientFillType GetGradientFillType(GradientFillColor fc)
{
return (fc.End.IsEmpty ? GradientFillType.None : fc.GradientFillType);
}
public object Clone()
{
GradientFillColor fillColor = new GradientFillColor();
fillColor.Color1 = Color1;
fillColor.Color2 = Color2;
fillColor.BorderColor = BorderColor;
fillColor.BorderWidth = BorderWidth;
fillColor.GradientFillType = GradientFillType;
fillColor.GradientAngle = GradientAngle;
return (fillColor);
}
/// <summary>
/// Determines if the fillcolor is equal to the given one
/// </summary>
/// <param name="fillColor">FillColor to compare</param>
/// <returns>true if equal</returns>
public bool IsEqualTo(GradientFillColor fillColor)
{
return (Color1 == fillColor.Color1 && Color2 == fillColor.Color2 &&
GradientAngle == fillColor.GradientAngle && GradientFillType == fillColor.GradientFillType &&
BorderColor == fillColor.BorderColor && BorderWidth == fillColor._BorderWidth);
}
protected override void RenderBarByCenter(
Graphics g, GraphicsPath path, GradientFillColor fillColor)
{
using (PathGradientBrush br = new PathGradientBrush(path))
{
br.WrapMode = WrapMode.TileFlipXY;
br.CenterColor = fillColor.Color1;
br.SurroundColors = new Color[] { fillColor.Color2 };
br.CenterPoint = new PointF(
_BulbBounds.X + _BulbBounds.Width / 2, _BulbBounds.Y + _BulbBounds.Height / 2);
g.FillPath(br, path);
}
}
protected void RenderBar(Graphics g, GraphicsPath path, GradientFillColor fillColor)
{
if (fillColor.End.IsEmpty == true || fillColor.Color1 == fillColor.Color2 ||
fillColor.GradientFillType == GradientFillType.None)
{
using (Brush br = new SolidBrush(fillColor.Color1))
g.FillPath(br, path);
}
else
{
GradientFillType fillType = (fillColor.GradientFillType == GradientFillType.Auto)
? GradientFillType.Center
: fillColor.GradientFillType;
switch (fillType)
{
case GradientFillType.Auto:
case GradientFillType.StartToEnd:
RenderBarStartToEnd(g, path, fillColor);
break;
case GradientFillType.Angle:
RenderBarByAngle(g, path, fillColor);
break;
case GradientFillType.Center:
RenderBarByCenter(g, path, fillColor);
break;
case GradientFillType.HorizontalCenter:
RenderBarByHc(g, path, fillColor);
break;
case GradientFillType.VerticalCenter:
RenderBarByVc(g, path, fillColor);
break;
}
}
if (fillColor.BorderWidth > 0)
{
using (Pen pen = new Pen(fillColor.BorderColor, fillColor.BorderWidth))
g.DrawPath(pen, path);
}
}
private void FillBackground(Graphics g,
Rectangle bounds, GradientFillColor fillColor)
{
Rectangle r = bounds;
GradientFillType fillType =
fillColor.End.IsEmpty ? GradientFillType.None : fillColor.GradientFillType;
switch (fillType)
{
case GradientFillType.Angle:
using (Brush br = fillColor.GetBrush(r))
{
if (br is LinearGradientBrush)
((LinearGradientBrush)br).WrapMode = WrapMode.TileFlipXY;
g.FillRectangle(br, r);
}
break;
case GradientFillType.StartToEnd:
using (Brush br = fillColor.GetBrush(r, 90))
{
if (br is LinearGradientBrush)
((LinearGradientBrush)br).WrapMode = WrapMode.TileFlipXY;
g.FillRectangle(br, r);
}
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.FillRectangle(br, bounds);
}
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.FillRectangle(br, bounds);
}
break;
case GradientFillType.Center:
using (GraphicsPath path = new GraphicsPath())
{
path.AddRectangle(r);
using (PathGradientBrush br = new PathGradientBrush(path))
{
br.CenterColor = fillColor.Start;
br.SurroundColors = new Color[] { fillColor.End };
g.FillRectangle(br, r);
}
}
break;
default:
using (Brush br = new SolidBrush(fillColor.Start))
g.FillRectangle(br, r);
break;
}
}
private void RenderBarByAngle(Graphics g, GraphicsPath path, GradientFillColor fillColor)
{
int n = Width / 2;
Rectangle t = Rectangle.Round(path.GetBounds());
t.Inflate(n, n);
using (Brush br = fillColor.GetBrush(t))
g.FillPath(br, path);
}
private void RenderCapPathSytle1(Graphics g,
Rectangle r, GradientFillColor fillColor, GradientFillType fillType)
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddEllipse(r);
RenderFill(g, r, path, fillColor, fillType, 0, true);
RenderBorder(g, path, fillColor);
}
}
private void RenderBarByVc(Graphics g, GraphicsPath path, GradientFillColor fillColor)
{
Rectangle t = Rectangle.Round(path.GetBounds());
t.Width /= 2;
using (LinearGradientBrush br = new
LinearGradientBrush(t, fillColor.Color1, fillColor.Color2, 0f))
{
br.WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
}
private void RenderCapPathSytle2(Graphics g,
Rectangle r, GradientFillColor fillColor, GradientFillType fillType)
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddEllipse(r);
RenderFill(g, r, path, fillColor, fillType, 0, true);
RenderBorder(g, path, fillColor);
path.Reset();
int angle = 180;
int outer = (int)(r.Width * GaugePointer.CapOuterBevel);
if (outer > 0)
{
r.Inflate(-outer, -outer);
if (r.Width >= 2)
{
path.AddEllipse(r);
RenderFill(g, r, path, fillColor, fillType, 180, true);
path.Reset();
angle = 0;
}
}
int inner = (int) (r.Width*GaugePointer.CapInnerBevel);
if (inner > 0)
{
r.Inflate(-inner, -inner);
if (r.Width >= 2)
{
path.AddEllipse(r);
RenderFill(g, r, path, fillColor, fillType, angle, true);
}
}
}
}
