public void Legend(
bool enableLegend = true,
string fontName = null,
float fontSize = 12,
bool bold = false,
Color?fontColor = null,
Color?backColor = null,
Color?frameColor = null,
legendLocation location = legendLocation.lowerRight,
shadowDirection shadowDirection = shadowDirection.lowerRight,
bool?fixedLineWidth = null
)
{
if (fontName == null)
{
fontName = Config.Fonts.GetDefaultFontName();
}
if (fontColor != null)
{
settings.legend.colorText = (Color)fontColor;
}
if (backColor != null)
{
settings.legend.colorBackground = (Color)backColor;
}
if (frameColor != null)
{
settings.legend.colorFrame = (Color)frameColor;
}
fontName = Config.Fonts.GetValidFontName(fontName);
FontStyle fontStyle = (bold) ? FontStyle.Bold : FontStyle.Regular;
settings.legend.font = new Font(fontName, fontSize, fontStyle);
if (fixedLineWidth != null)
{
settings.legend.fixedLineWidth = (bool)fixedLineWidth;
}
if (enableLegend)
{
settings.legend.location = location;
settings.legend.shadow = shadowDirection;
}
else
{
settings.legend.location = legendLocation.none;
settings.legend.shadow = shadowDirection.none;
}
}
public void Legend(
bool enableLegend = true,
string fontName = "Segoe UI",
float fontSize = 12,
bool bold = false,
Color?fontColor = null,
Color?backColor = null,
Color?frameColor = null,
legendLocation location = legendLocation.lowerRight,
shadowDirection shadowDirection = shadowDirection.lowerRight,
LineStyle lineStyle = LineStyle.Solid
)
{
if (fontColor != null)
{
settings.legendFontColor = (Color)fontColor;
}
if (backColor != null)
{
settings.legendBackColor = (Color)backColor;
}
if (frameColor != null)
{
settings.legendFrameColor = (Color)frameColor;
}
fontName = ScottPlot.Tools.VerifyFont(fontName);
FontStyle fontStyle = (bold) ? FontStyle.Bold : FontStyle.Regular;
settings.legendFont = new Font(fontName, fontSize, fontStyle);
if (enableLegend)
{
settings.legendLocation = location;
settings.legendShadowDirection = shadowDirection;
}
else
{
settings.legendLocation = legendLocation.none;
settings.legendShadowDirection = shadowDirection.none;
}
}
private static Point[] GetLocations(ScottPlot.Settings settings, int padding, Size frameSize, float legendFontMaxWidth)
{
Point frameLocation = new Point();
Point textLocation = new Point();
Point shadowLocation = new Point();
// calculate locations even if it's not going to be displayed
legendLocation loc = settings.legend.location;
if (loc == legendLocation.none)
{
loc = legendLocation.lowerRight;
}
int frameWidth = frameSize.Width;
int frameHeight = frameSize.Height;
switch (loc)
{
case (legendLocation.lowerRight):
frameLocation.X = (int)(settings.dataSize.Width - frameWidth - padding);
frameLocation.Y = (int)(settings.dataSize.Height - frameHeight - padding);
textLocation.X = (int)(settings.dataSize.Width - (legendFontMaxWidth + padding));
textLocation.Y = settings.dataSize.Height - padding * 2;
break;
case (legendLocation.upperLeft):
frameLocation.X = (int)(padding);
frameLocation.Y = (int)(padding);
textLocation.X = (int)(frameWidth - legendFontMaxWidth + padding);
textLocation.Y = (int)(frameHeight);
break;
case (legendLocation.lowerLeft):
frameLocation.X = (int)(padding);
frameLocation.Y = (int)(settings.dataSize.Height - frameHeight - padding);
textLocation.X = (int)(frameWidth - legendFontMaxWidth + padding);
textLocation.Y = settings.dataSize.Height - padding * 2;
break;
case (legendLocation.upperRight):
frameLocation.X = (int)(settings.dataSize.Width - frameWidth - padding);
frameLocation.Y = (int)(padding);
textLocation.X = (int)(settings.dataSize.Width - (legendFontMaxWidth + padding));
textLocation.Y = (int)(frameHeight);
break;
case (legendLocation.upperCenter):
frameLocation.X = (int)((settings.dataSize.Width) / 2 - frameWidth / 2);
frameLocation.Y = (int)(padding);
textLocation.X = (int)(frameLocation.X + frameWidth - legendFontMaxWidth);
textLocation.Y = (int)(frameHeight);
break;
case (legendLocation.lowerCenter):
frameLocation.X = (int)((settings.dataSize.Width) / 2 - frameWidth / 2);
frameLocation.Y = (int)(settings.dataSize.Height - frameHeight - padding);
textLocation.X = (int)(frameLocation.X + frameWidth - legendFontMaxWidth);
textLocation.Y = settings.dataSize.Height - padding * 2;
break;
case (legendLocation.middleLeft):
frameLocation.X = (int)(padding);
frameLocation.Y = (int)(settings.dataSize.Height / 2 - frameHeight / 2);
textLocation.X = (int)(frameWidth - legendFontMaxWidth + padding);
textLocation.Y = (int)(frameLocation.Y + frameHeight - padding);
break;
case (legendLocation.middleRight):
frameLocation.X = (int)(settings.dataSize.Width - frameWidth - padding);
frameLocation.Y = (int)(settings.dataSize.Height / 2 - frameHeight / 2);
textLocation.X = (int)(settings.dataSize.Width - (legendFontMaxWidth + padding));
textLocation.Y = (int)(frameLocation.Y + frameHeight - padding);
break;
default:
throw new NotImplementedException($"legend location {settings.legend.location} is not supported");
}
switch (settings.legend.shadow)
{
case (shadowDirection.lowerRight):
shadowLocation.X = frameLocation.X + 2;
shadowLocation.Y = frameLocation.Y + 2;
break;
case (shadowDirection.lowerLeft):
shadowLocation.X = frameLocation.X - 2;
shadowLocation.Y = frameLocation.Y + 2;
break;
case (shadowDirection.upperRight):
shadowLocation.X = frameLocation.X + 2;
shadowLocation.Y = frameLocation.Y - 2;
break;
case (shadowDirection.upperLeft):
shadowLocation.X = frameLocation.X - 2;
shadowLocation.Y = frameLocation.Y - 2;
break;
default:
settings.legend.shadow = shadowDirection.none;
break;
}
textLocation.Y += padding;
return(new Point[] { frameLocation, textLocation, shadowLocation });
}
public void Legend(
bool enableLegend = true,
string fontName = null,
float?fontSize = null,
bool?bold = null,
Color?fontColor = null,
Color?backColor = null,
Color?frameColor = null,
legendLocation location = legendLocation.lowerRight,
shadowDirection shadowDirection = shadowDirection.lowerRight,
bool?fixedLineWidth = null,
bool?reverseOrder = null
)
{
settings.Legend.Visible = enableLegend;
if (fontName != null)
{
settings.Legend.FontName = fontName;
}
if (fontSize != null)
{
settings.Legend.FontSize = fontSize.Value;
}
if (fontColor != null)
{
settings.Legend.FontColor = fontColor.Value;
}
if (backColor != null)
{
settings.Legend.FillColor = backColor.Value;
}
if (frameColor != null)
{
settings.Legend.OutlineColor = frameColor.Value;
}
if (reverseOrder != null)
{
settings.Legend.ReverseOrder = reverseOrder.Value;
}
if (bold != null)
{
settings.Legend.FontBold = bold.Value;
}
if (fixedLineWidth != null)
{
settings.Legend.FixedLineWidth = fixedLineWidth.Value;
}
if (location == legendLocation.upperLeft)
{
settings.Legend.Location = Direction.NW;
}
else if (location == legendLocation.upperCenter)
{
settings.Legend.Location = Direction.N;
}
else if (location == legendLocation.upperRight)
{
settings.Legend.Location = Direction.NE;
}
else if (location == legendLocation.middleRight)
{
settings.Legend.Location = Direction.E;
}
else if (location == legendLocation.lowerRight)
{
settings.Legend.Location = Direction.SE;
}
else if (location == legendLocation.lowerCenter)
{
settings.Legend.Location = Direction.S;
}
else if (location == legendLocation.lowerLeft)
{
settings.Legend.Location = Direction.SW;
}
else if (location == legendLocation.middleLeft)
{
settings.Legend.Location = Direction.W;
}
}
