/// <summary>
/// Get the Rectangle definition of the slice at the current frame of
/// animation, if there is a slice key defined for the frame
/// </summary>
/// <param name="sliceName">The name of the slice</param>
/// <returns>
/// A Rectangle definition of the frame slice, at the xy-coordinate of
/// this sprite. If no slice key exists for the current frame,
/// null is returned.
/// </returns>
/// <exception cref="ArgumentException">
/// Thrown if the slice name provided does not exist in the animation definitions slice dictionary
/// </exception>
public bool TryGetCurrentFrameSlice(string sliceName, out SliceKey sliceKey)
{
// Ensure that we have a slice defined with the given name
if (Slices.TryGetValue(sliceName, out Slice slice))
{
// Ensure we have a slice key at the current animation frame index
if (slice.Keys.TryGetValue(CurrentFrameIndex, out sliceKey))
{
// Update the xy-coordinate of the slicekey bounds to match the positiona
// data of this animated sprite.
sliceKey.Bounds.X += (int)Position.X;
sliceKey.Bounds.Y += (int)Position.Y;
return(true);
}
else
{
// There is no slicekey for the current frame index, so we return false.
return(false);
}
}
else
{
// No slice exists with the given name, return false
sliceKey = new SliceKey();
return(false);
}
}
/// <summary>
/// Gets the defined color of the slice with the given name
/// </summary>
/// <param name="sliceName">
/// The name of the slice
/// </param>
/// <returns>
/// The color of the slice
/// </returns>
/// <exception cref="ArgumentException">
/// Thrown if no <see cref="Slice"/> instance exists with the name given
/// in <paramref name="sliceName"/>
/// </exception>
public Color GetSliceColor(string sliceName)
{
// Ensure we have a slice defined with the given name
if (Slices.TryGetValue(sliceName, out Slice slice))
{
// Return the color of the slice
return(slice.Color);
}
else
{
// No slice exists with the given name, throw error
throw new ArgumentOutOfRangeException($"No slice exists with the given name {sliceName}");
}
}
internal void Draw()
{
if (!IsControlLaoded)
{
return;
}
//No cache for you gauge :( kill and redraw please
foreach (var child in Canvas.Children
.Where(x => !Equals(x, Stick) && !(x is AngularSection) && !(x is PieSlice)).ToArray())
{
Canvas.Children.Remove(child);
}
Wedge = Wedge > 360 ? 360 : (Wedge < 0 ? 0 : Wedge);
var fromAlpha = (360 - Wedge) * .5;
var toAlpha = 360 - fromAlpha;
var d = ActualWidth < ActualHeight ? ActualWidth : ActualHeight;
Stick.Height = d * .5 * .8;
Stick.Width = Stick.Height * .2;
Canvas.SetLeft(Stick, ActualWidth * .5 - Stick.Width * .5);
Canvas.SetTop(Stick, ActualHeight * .5 - Stick.Height * .9);
var ticksHi = d * .5;
var ticksHj = d * .47;
var labelsHj = d * .44;
foreach (var section in Sections)
{
PieSlice slice;
section.Owner = this;
if (!Slices.TryGetValue(section, out slice))
{
slice = new PieSlice();
Slices[section] = slice;
}
var p = (Canvas)section.Parent;
p?.Children.Remove(section);
Canvas.Children.Add(section);
var ps = (Canvas)slice.Parent;
ps?.Children.Remove(slice);
Canvas.Children.Add(slice);
}
UpdateSections();
for (var i = FromValue; i <= ToValue; i += TicksStep)
{
var alpha = LinearInterpolation(fromAlpha, toAlpha, FromValue, ToValue, i) + 90;
var tick = new Line
{
X1 = ActualWidth * .5 + ticksHi * Math.Cos(alpha * Math.PI / 180),
X2 = ActualWidth * .5 + ticksHj * Math.Cos(alpha * Math.PI / 180),
Y1 = ActualHeight * .5 + ticksHi * Math.Sin(alpha * Math.PI / 180),
Y2 = ActualHeight * .5 + ticksHj * Math.Sin(alpha * Math.PI / 180)
};
Canvas.Children.Add(tick);
tick.SetBinding(Shape.StrokeProperty,
new Binding {
Path = new PropertyPath("TicksForeground"), Source = this
});
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath("TicksStrokeThickness"), Source = this
});
}
for (var i = FromValue; i <= ToValue; i += LabelsStep)
{
var alpha = LinearInterpolation(fromAlpha, toAlpha, FromValue, ToValue, i) + 90;
var tick = new Line
{
X1 = ActualWidth * .5 + ticksHi * Math.Cos(alpha * Math.PI / 180),
X2 = ActualWidth * .5 + labelsHj * Math.Cos(alpha * Math.PI / 180),
Y1 = ActualHeight * .5 + ticksHi * Math.Sin(alpha * Math.PI / 180),
Y2 = ActualHeight * .5 + labelsHj * Math.Sin(alpha * Math.PI / 180)
};
Canvas.Children.Add(tick);
var label = new TextBlock
{
Text = LabelFormatter(i)
};
//label.SetBinding(EffectProperty,
//new Binding {Path = new PropertyPath("LabelsEffect"), Source = this});
Canvas.Children.Add(label);
label.UpdateLayout();
Canvas.SetLeft(label, alpha < 270
? tick.X2
: (Math.Abs(alpha - 270) < 4
? tick.X2 - label.ActualWidth * .5
: tick.X2 - label.ActualWidth));
Canvas.SetTop(label, tick.Y2);
tick.SetBinding(Shape.StrokeProperty,
new Binding {
Path = new PropertyPath("TicksForeground"), Source = this
});
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath("TicksStrokeThickness"), Source = this
});
}
MoveStick();
}
internal void Draw()
{
if (!IsControlLaoded) return;
//No cache for you gauge :( kill and redraw please
foreach (var child in Canvas.Children.Cast<UIElement>()
.Where(x => !Equals(x, Stick) && !(x is AngularSection) && !(x is PieSlice)).ToArray())
Canvas.Children.Remove(child);
Wedge = Wedge > 360 ? 360 : (Wedge < 0 ? 0 : Wedge);
var fromAlpha = (360-Wedge)*.5;
var toAlpha = 360 - fromAlpha;
var d = ActualWidth < ActualHeight ? ActualWidth : ActualHeight;
Stick.Height = d*.5*.8;
Stick.Width = Stick.Height*.2;
Canvas.SetLeft(Stick, ActualWidth*.5 - Stick.Width*.5);
Canvas.SetTop(Stick, ActualHeight*.5 - Stick.Height*.9);
var ticksHi = d*.5;
var ticksHj = d*.47;
var labelsHj = d*.44;
foreach (var section in Sections)
{
PieSlice slice;
section.Owner = this;
if (!Slices.TryGetValue(section, out slice))
{
slice = new PieSlice();
Slices[section] = slice;
}
var p = (Canvas)section.Parent;
if (p != null) p.Children.Remove(section);
Canvas.Children.Add(section);
var ps = (Canvas)slice.Parent;
if (ps != null) ps.Children.Remove(slice);
Canvas.Children.Add(slice);
}
UpdateSections();
var ts = double.IsNaN(TicksStep) ? DecideInterval((ToValue - FromValue)/5) : TicksStep;
if (ts / (FromValue - ToValue) > 300)
throw new LiveChartsException("TicksStep property is too small compared with the range in " +
"the gauge, to avoid performance issues, please increase it.");
for (var i = FromValue; i <= ToValue; i += ts)
{
var alpha = LinearInterpolation(fromAlpha, toAlpha, FromValue, ToValue, i) + 90;
var tick = new Line
{
X1 = ActualWidth*.5 + ticksHi*Math.Cos(alpha*Math.PI/180),
X2 = ActualWidth*.5 + ticksHj*Math.Cos(alpha*Math.PI/180),
Y1 = ActualHeight*.5 + ticksHi*Math.Sin(alpha*Math.PI/180),
Y2 = ActualHeight*.5 + ticksHj*Math.Sin(alpha*Math.PI/180)
};
Canvas.Children.Add(tick);
tick.SetBinding(Shape.StrokeProperty,
new Binding {Path = new PropertyPath(TicksForegroundProperty), Source = this});
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding { Path = new PropertyPath(TicksStrokeThicknessProperty), Source = this });
}
var ls = double.IsNaN(LabelsStep) ? DecideInterval((ToValue - FromValue) / 5) : LabelsStep;
if (ls / (FromValue - ToValue) > 300)
throw new LiveChartsException("LabelsStep property is too small compared with the range in " +
"the gauge, to avoid performance issues, please increase it.");
for (var i = FromValue; i <= ToValue; i += ls)
{
var alpha = LinearInterpolation(fromAlpha, toAlpha, FromValue, ToValue, i) + 90;
var tick = new Line
{
X1 = ActualWidth*.5 + ticksHi*Math.Cos(alpha*Math.PI/180),
X2 = ActualWidth*.5 + labelsHj*Math.Cos(alpha*Math.PI/180),
Y1 = ActualHeight*.5 + ticksHi*Math.Sin(alpha*Math.PI/180),
Y2 = ActualHeight*.5 + labelsHj*Math.Sin(alpha*Math.PI/180)
};
Canvas.Children.Add(tick);
var label = new TextBlock
{
Text = LabelFormatter(i)
};
label.SetBinding(EffectProperty,
new Binding {Path = new PropertyPath(LabelsEffectProperty), Source = this});
Canvas.Children.Add(label);
label.UpdateLayout();
Canvas.SetLeft(label, alpha < 270
? tick.X2
: (Math.Abs(alpha - 270) < 4
? tick.X2 - label.ActualWidth*.5
: tick.X2 - label.ActualWidth));
Canvas.SetTop(label, tick.Y2);
tick.SetBinding(Shape.StrokeProperty,
new Binding { Path = new PropertyPath(TicksForegroundProperty), Source = this });
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding { Path = new PropertyPath(TicksStrokeThicknessProperty), Source = this });
}
MoveStick();
}
internal override void Draw()
{
if (!IsControlLaoded)
{
return;
}
foreach (var child in Canvas.Children.Cast <UIElement>()
.Where(x => !Equals(x, Stick) && !(x is LinearSection) && !(x is PieSlice)).ToArray())
{
Canvas.Children.Remove(child);
}
foreach (var section in Sections)
{
Rectangle slice;
section.Owner = this;
if (!Slices.TryGetValue(section, out slice))
{
slice = new Rectangle();
Slices[section] = slice;
}
var p = (Canvas)section.Parent;
if (p != null)
{
p.Children.Remove(section);
}
Canvas.Children.Add(section);
var ps = (Canvas)slice.Parent;
if (ps != null)
{
ps.Children.Remove(slice);
}
Canvas.Children.Add(slice);
}
//画区域
UpdateSections();
var ts = double.IsNaN(TicksStep) ? DecideInterval((ToValue - FromValue) / 5) : TicksStep;
var unit = (GetActualHeight() / (ToValue - FromValue));
//画短刻度
for (var i = FromValue; i <= ToValue; i += ts)
{
var bottom = (i - FromValue) * unit;
var tick = new Line
{
X1 = ActualWidth * .5,
X2 = ActualWidth * .5 + 5,
Y1 = ActualHeight - bottom,
Y2 = ActualHeight - bottom
};
Canvas.Children.Add(tick);
tick.SetBinding(Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(TicksForegroundProperty), Source = this
});
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(TicksStrokeThicknessProperty), Source = this
});
}
var ls = double.IsNaN(LabelsStep) ? DecideInterval((ToValue - FromValue) / 5) : LabelsStep;
if (ls / (FromValue - ToValue) > 300)
{
throw new LiveChartsException("LabelsStep property is too small compared with the range in " +
"the gauge, to avoid performance issues, please increase it.");
}
//画长刻度与数字
for (var i = FromValue; i <= ToValue; i += ls)
{
var bottom = (i - FromValue) * unit;
var tick = new Line
{
X1 = ActualWidth * .5,
X2 = ActualWidth * .5 + 10,
Y1 = ActualHeight - bottom,
Y2 = ActualHeight - bottom,
};
Canvas.Children.Add(tick);
var label = new TextBlock
{
Text = LabelFormatter(i)
};
label.SetBinding(EffectProperty,
new Binding {
Path = new PropertyPath(LabelsEffectProperty), Source = this
});
Canvas.Children.Add(label);
label.UpdateLayout();
Canvas.SetLeft(label, ActualWidth * .5 - label.ActualWidth * .5 - 10);
Canvas.SetBottom(label, bottom - (label.ActualHeight / 2));
tick.SetBinding(Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(TicksForegroundProperty), Source = this
});
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(TicksStrokeThicknessProperty), Source = this
});
}
ValueRec.Width = BackWidth / 4;
Canvas.Children.Add(ValueRec);
Canvas.SetLeft(ValueRec, ActualWidth * 0.5 + ValueRec.Width * 1.5);
Canvas.SetBottom(ValueRec, 0);
MoveStick();
}
internal override void Draw()
{
if (!IsControlLaoded) return;
//No cache for you gauge :( kill and redraw please
foreach (var child in Canvas.Children.Cast<UIElement>()
.Where(x => !Equals(x, Stick) && !(x is CompassSection) && !(x is PieSlice)).ToArray())
Canvas.Children.Remove(child);
var fromAlpha = (360 - Wedge) * .5;
var toAlpha = 360 - fromAlpha;
var d = ActualWidth < ActualHeight ? ActualWidth : ActualHeight;
Stick.Height = d * .5 * .8;
Stick.Width = Stick.Height * .2;
Canvas.SetLeft(Stick, ActualWidth * .5 - Stick.Width * .5);
Canvas.SetTop(Stick, ActualHeight * .5 - Stick.Height * .9);
var ticksHi = d * .5;
var ticksHj = d * .47;
var labelsHj = d * .44;
foreach (var section in Sections)
{
PieSlice slice;
section.Owner = this;
if (!Slices.TryGetValue(section, out slice))
{
slice = new PieSlice();
Slices[section] = slice;
}
var p = (Canvas)section.Parent;
if (p != null) p.Children.Remove(section);
Canvas.Children.Add(section);
var ps = (Canvas)slice.Parent;
if (ps != null) ps.Children.Remove(slice);
Canvas.Children.Add(slice);
}
UpdateSections();
var ts = double.IsNaN(TicksStep) ? DecideInterval((ToValue - FromValue) / 5) : TicksStep;
if (ts / (FromValue - ToValue) > 300)
throw new LiveChartsException("TicksStep property is too small compared with the range in " +
"the gauge, to avoid performance issues, please increase it.");
for (var i = FromValue; i <= ToValue; i += ts)
{
var alpha = LinearInterpolation(fromAlpha, toAlpha, FromValue, ToValue, i) - 90;
var tick = new Line
{
X1 = ActualWidth * .5 + ticksHi * Math.Cos(alpha * Math.PI / 180),
X2 = ActualWidth * .5 + ticksHj * Math.Cos(alpha * Math.PI / 180),
Y1 = ActualHeight * .5 + ticksHi * Math.Sin(alpha * Math.PI / 180),
Y2 = ActualHeight * .5 + ticksHj * Math.Sin(alpha * Math.PI / 180)
};
Canvas.Children.Add(tick);
tick.SetBinding(Shape.StrokeProperty,
new Binding { Path = new PropertyPath(TicksForegroundProperty), Source = this });
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding { Path = new PropertyPath(TicksStrokeThicknessProperty), Source = this });
}
var ls = double.IsNaN(LabelsStep) ? 45 : LabelsStep;
if (ls / (FromValue - ToValue) > 300)
throw new LiveChartsException("LabelsStep property is too small compared with the range in " +
"the gauge, to avoid performance issues, please increase it.");
for (var i = FromValue; i <= ToValue; i += ls)
{
if (i % 90 == 0 && !IsMil)
continue;
DrawTick(fromAlpha, toAlpha, ticksHi, labelsHj, i);
}
if (!IsMil)
{
//绘制东西南北标签
for (var i = FromValue; i <= ToValue; i += (ToValue + 1) / 4)
{
DrawTick(fromAlpha, toAlpha, ticksHi, labelsHj, i);
}
}
MoveStick();
}