public void Test_Text_Alignment()
{
var plt = new ScottPlot.Plot();
plt.AntiAlias(false, false, false);
// start with default settings
var txt = new PlottableText()
{
text = "hello"
};
plt.Add(txt);
var bmp1 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
string hash1 = ScottPlot.Tools.BitmapHash(bmp1);
// change the plottable
txt.alignment = TextAlignment.middleCenter;
var bmp2 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
string hash2 = ScottPlot.Tools.BitmapHash(bmp2);
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
Console.WriteLine($"Before: {hash1}");
Console.WriteLine($"After: {hash2}");
Assert.AreNotEqual(hash1, hash2);
}
public void Test_Text_FontSize()
{
var plt = new ScottPlot.Plot();
plt.AntiAlias(false, false, false);
// start with default settings
var txt = new PlottableText()
{
text = "hello", FontSize = 12
};
plt.Add(txt);
var bmp1 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
// change the plottable
txt.FontSize = 36;
var bmp2 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(after.IsDarkerThan(before));
}
public void SetData(IReadOnlyList <RectWithVector> field)
{
Plt.Clear();
_highlightedText = null;
field1 = field;
PlotVectorField(field);
}
public void Test_Text_FrameColor()
{
var plt = new ScottPlot.Plot();
plt.AntiAlias(false, false, false);
// start with default settings
var txt = new PlottableText()
{
text = "hello", frame = true, frameColor = System.Drawing.Color.Gray
};
plt.Add(txt);
var bmp1 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
// change the plottable
txt.frameColor = System.Drawing.Color.Blue;
var bmp2 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(before.IsGray());
Assert.That(after.IsNotGray());
Assert.That(after.IsMoreBlueThan(before));
}
private void Render()
{
if (toPlot.IsNullOrEmpty())
{
return;
}
var xs = new double[toPlot.Length];
var ys = new double[toPlot.Length];
formsPlot.cursor = Cursors.Cross;
Plt.Clear();
_highlightedText = null;
for (var index = 0; index < toPlot.Length; index++)
{
var vector = toPlot[index];
var d = vector.Distortion;
Plt.PlotQuiver(
vector.CenterOfGravity.X,
vector.CenterOfGravity.Y,
vector.CenterOfGravity.X + plotScale * d.X,
vector.CenterOfGravity.Y + plotScale * d.Y,
color: Color.Blue);
xs[index] = vector.CenterOfGravity.X;
ys[index] = vector.CenterOfGravity.Y;
}
Plt.PlotScatter(xs, ys, lineWidth: 0, markerShape: MarkerShape.none);
//Plt.AxisScale(-1);
// highlightedText = Plt.PlotText("", 0, 0, fontSize: 15, color: Color.Black,
// frameColor: Color.AliceBlue, frame: true);
// highlightedText.visible = false;
formsPlot.Render();
}
public void Render(Plot plt)
{
// rather than call Plot.PlotText(), create the Plottable manually
var customPlottable = new PlottableText()
{
text = "test",
x = 2,
y = 3,
FontColor = System.Drawing.Color.Magenta,
FontName = "arial",
FontSize = 26,
FontBold = true,
alignment = TextAlignment.middleCenter,
rotation = 0,
frame = false,
frameColor = System.Drawing.Color.Green
};
// you can access properties which may not be exposed by a Plot method
customPlottable.rotation = 45;
// add the custom plottable to the list of plottables like this
List <Plottable> plottables = plt.GetPlottables();
plottables.Add(customPlottable);
}
private void ShowValueOnHover_Load(object sender, EventArgs e)
{
int pointCount = 51;
double[] Xs = DataGen.Consecutive(pointCount);
double[] Ys = DataGen.Sin(pointCount, 2);
scatterPlot = formsPlot1.plt.PlotScatter(Xs, Ys, color: Color.Blue);
formsPlot1.plt.AxisAuto();
formsPlot1.Render();
// create a point and text that will be moved around to highlight the point under the cursor
highlightedPoint = formsPlot1.plt.PlotPoint(0, 0, markerSize: 10, color: Color.Red);
highlightedText = formsPlot1.plt.PlotText("asdf", 0, 0, fontSize: 10, color: Color.Black);
}
public void Render(Plot plt)
{
// rather than call Plot.Text(), create the Plottable object manually
var customPlottable = new PlottableText(text: "test", x: 2, y: 3,
color: System.Drawing.Color.Magenta, fontName: "arial", fontSize: 26,
bold: true, label: "", alignment: TextAlignment.middleCenter,
rotation: 0, frame: false, frameColor: System.Drawing.Color.Green);
// you can access properties which may not be exposed by a Plot method
customPlottable.rotation = 45;
// add the custom plottable to the list of plottables like this
List <Plottable> plottables = plt.GetPlottables();
plottables.Add(customPlottable);
}
public ShowValueOnHover()
{
InitializeComponent();
// plot some data
int pointCount = 51;
double[] Xs = DataGen.Consecutive(pointCount);
double[] Ys = DataGen.Sin(pointCount, 2);
scatterPlot = wpfPlot1.plt.PlotScatter(Xs, Ys, color: System.Drawing.Color.Blue);
wpfPlot1.plt.AxisAuto();
wpfPlot1.Render();
// create a point and text that will be moved around to highlight the point under the cursor
highlightedPoint = wpfPlot1.plt.PlotPoint(0, 0, markerSize: 10, color: System.Drawing.Color.Red);
highlightedText = wpfPlot1.plt.PlotText("asdf", 0, 0, fontSize: 10, color: System.Drawing.Color.Black);
highlightedPoint.visible = false;
highlightedText.visible = false;
}
private void Mouse_Tracker_Click(object sender, RoutedEventArgs e)
{
MouseTrack = !MouseTrack;
if (MouseTrack == true)
{
Mouse_VLine = Graph.plt.PlotVLine(0, color: System.Drawing.Color.Red, lineStyle: LineStyle.DashDot);
Mouse_HLine = Graph.plt.PlotHLine(0, color: System.Drawing.Color.Red, lineStyle: LineStyle.DashDot);
Coord_text = Graph.plt.PlotText("", 0, 0, color: System.Drawing.Color.Red, fontSize: 18, alignment: ScottPlot.TextAlignment.lowerLeft);
}
else
{
Graph.plt.Clear(Mouse_VLine);
Graph.plt.Clear(Mouse_HLine);
Graph.plt.Clear(Coord_text);
if (AutoAxis == true)
{
Graph.plt.AxisAuto();
}
Graph.Render(skipIfCurrentlyRendering: true);
}
}
public void Test_Text_FontBold()
{
// bold fonts are supported on all operating systems so only test on windows
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows) == false)
{
return;
}
var plt = new ScottPlot.Plot();
plt.AntiAlias(false, false, false);
// start with default settings
var txt = new PlottableText()
{
text = "hello", FontSize = 12
};
plt.Add(txt);
var bmp1 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
// change the plottable
txt.FontBold = true;
var bmp2 = new System.Drawing.Bitmap(plt.GetBitmap(renderFirst: true));
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(after.IsDarkerThan(before));
}
private void formsPlot_MouseMoved(object sender, MouseEventArgs e)
{
// don't attempt to change things while we are click-dragging
if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right || e.Button == MouseButtons.Middle)
{
return;
}
if (toPlot == null)
{
return;
}
// determine where the mouse is in coordinate space
(double mouseX, double mouseY) = formsPlot.GetMouseCoordinates();
// determine which point is closest to the mouse
int closestIndex = 0;
double closestDistance = double.PositiveInfinity;
for (int i = 0; i < toPlot.Length; i++)
{
var pt = toPlot[i].CenterOfGravity;
var dx = pt.X - mouseX;
var dy = pt.Y - mouseY;
double distance = dx * dx + dy * dy;
if (distance < closestDistance)
{
closestIndex = i;
closestDistance = distance;
}
}
var closest = toPlot[closestIndex];
var closestItem = closest.CenterOfGravity;
var closestItemPixel = Plt.CoordinateToPixel(closestItem);
if (closestItemPixel.Dist(e.Location) < 8)
{
double x = closestItem.X;
double y = closestItem.Y;
var r = closest.Distortion.R() * unitScale;
var txt1 = $"{Math.Round(x, 3)}, {Math.Round(y, 3)}\n{(int) Math.Round(r)}";
_highlightedText = _highlightedText ?? Plt.PlotText("", 0, 0, fontSize: 15, color: Color.Black,
frameColor: Color.AliceBlue, frame: true);
_highlightedText.visible = true;
_highlightedText.text = txt1;
var pt = Plt.CoordinateToPixel(new PointF((float)x, (float)y));
pt += new SizeF(8, -8);
_highlightedText.x = Plt.CoordinateFromPixelX(pt.X);
_highlightedText.y = Plt.CoordinateFromPixelY(pt.Y);
}
else
{
if (_highlightedText != null)
{
_highlightedText.visible = false;
}
}
formsPlot.Render();
}
