private void RenderLeft(SKCanvas canvas, Axes axes)
{
SKPaint paintTick = new SKPaint()
{
IsAntialias = true,
TextSize = 12,
TextAlign = SKTextAlign.Right,
Color = SKColor.Parse("#FF000000")
};
SKPaint paintGrid = new SKPaint()
{
IsAntialias = true,
Color = SKColor.Parse("#33000000")
};
SKRect dataRect = axes.GetDataRect();
foreach (Tick tick in ticks)
{
if ((tick.value >= axes.y.low) && (tick.value <= axes.y.high))
{
float yPixel = axes.GetPixel(0, tick.value).Y;
SKPoint dataLeft = new SKPoint(dataRect.Left, yPixel);
SKPoint dataRight = new SKPoint(dataRect.Right, yPixel);
SKPoint tickLeft = new SKPoint(dataRect.Left - length, yPixel);
canvas.DrawLine(tickLeft, dataLeft, paintTick);
canvas.DrawText(tick.label, tickLeft.X - 3, yPixel + paintTick.TextSize * 0.35f, paintTick);
canvas.DrawLine(dataLeft, dataRight, paintGrid);
}
}
}
private void RenderLeft(SKCanvas canvas, Axes axes)
{
var yTickPaint = new SKPaint()
{
IsAntialias = true,
TextSize = 12,
TextAlign = SKTextAlign.Right,
Color = yTickColor
};
var gridPaint = new SKPaint()
{
IsAntialias = true,
Color = gridColor
};
SKRect dataRect = axes.GetDataRect();
foreach (Tick tick in ticks)
{
if ((tick.value >= axes.y.low) && (tick.value <= axes.y.high))
{
float yPixel = axes.GetPixel(0, tick.value).Y;
SKPoint dataLeft = new SKPoint(dataRect.Left, yPixel);
SKPoint dataRight = new SKPoint(dataRect.Right, yPixel);
SKPoint tickLeft = new SKPoint(dataRect.Left - length, yPixel);
canvas.DrawLine(tickLeft, dataLeft, yTickPaint);
canvas.DrawText(tick.label, tickLeft.X - 3, yPixel + yTickPaint.TextSize * 0.35f, yTickPaint);
canvas.DrawLine(dataLeft, dataRight, gridPaint);
}
}
}
private void RenderBottom(SKCanvas canvas, Axes axes)
{
SKPaint paintTick = new SKPaint()
{
IsAntialias = true,
TextSize = 12,
TextAlign = SKTextAlign.Center,
Color = SKColor.Parse("#FF000000")
};
SKPaint paintGrid = new SKPaint()
{
IsAntialias = true,
Color = SKColor.Parse("#33000000")
};
SKRect dataRect = axes.GetDataRect();
foreach (Tick tick in ticks)
{
if ((tick.value >= axes.x.low) && (tick.value <= axes.x.high))
{
float xPixel = axes.GetPixel(tick.value, 0).X;
SKPoint dataTop = new SKPoint(xPixel, dataRect.Top);
SKPoint dataBot = new SKPoint(xPixel, dataRect.Bottom);
SKPoint tickBot = new SKPoint(xPixel, dataRect.Bottom + length);
canvas.DrawLine(dataBot, tickBot, paintTick);
canvas.DrawText(tick.label, xPixel, tickBot.Y + paintTick.TextSize, paintTick);
canvas.DrawLine(dataBot, dataTop, paintGrid);
}
}
}
private void RenderBottom(SKCanvas canvas, Axes axes)
{
var xTickPaint = new SKPaint()
{
IsAntialias = true,
TextSize = 12,
TextAlign = SKTextAlign.Center,
Color = xTickColor
};
var gridPaint = new SKPaint()
{
IsAntialias = true,
Color = gridColor
};
SKRect dataRect = axes.GetDataRect();
foreach (Tick tick in ticks)
{
if ((tick.value >= axes.x.low) && (tick.value <= axes.x.high))
{
float xPixel = axes.GetPixel(tick.value, 0).X;
SKPoint dataTop = new SKPoint(xPixel, dataRect.Top);
SKPoint dataBot = new SKPoint(xPixel, dataRect.Bottom);
SKPoint tickBot = new SKPoint(xPixel, dataRect.Bottom + length);
canvas.DrawLine(dataBot, tickBot, xTickPaint);
canvas.DrawText(tick.label, xPixel, tickBot.Y + xTickPaint.TextSize, xTickPaint);
canvas.DrawLine(dataBot, dataTop, gridPaint);
}
}
}
public void Render(SKCanvas canvas, SKRect plotRect)
{
// update plot-level layout with the latest plot dimensions
layout.Update(plotRect);
if (!axes.x.isValid || !axes.y.isValid)
{
AutoAxis();
}
axes.SetDataRect(layout.dataRect);
axes2.SetDataRect(layout.dataRect);
// draw the graphics
yTicks.Generate(axes.y.low, axes.y.high, layout.dataRect);
y2Ticks.Generate(axes2.y.low, axes2.y.high, layout.dataRect);
xTicks.Generate(axes.x.low, axes.x.high, layout.dataRect);
if (yTicks.biggestTickLabelSize.Width > layout.yScaleWidth)
{
Debug.WriteLine("increasing Y scale width to prevent overlapping with label Y label");
layout.yScaleWidth = yTicks.biggestTickLabelSize.Width;
layout.Update(plotRect);
}
var fillPaint = new SKPaint();
fillPaint.Color = SKColor.Parse("#FFFFFF");
//fillPaint.Color = Tools.RandomColor(); // useful for assessing when plots are redrawn
canvas.DrawRect(layout.dataRect, fillPaint);
yTicks.Render(canvas, axes);
y2Ticks.Render(canvas, axes2);
xTicks.Render(canvas, axes);
canvas.Save();
canvas.ClipRect(axes.GetDataRect());
foreach (var primaryPlottable in GetPlottableList(false))
{
primaryPlottable.Render(canvas, axes);
}
foreach (var secondaryPlottable in GetPlottableList(true))
{
secondaryPlottable.Render(canvas, axes2);
}
canvas.Restore();
//RenderLayoutDebug(canvas);
RenderLabels(canvas);
}
private void DrawPlottables(SKCanvas canvas)
{
canvas.Save();
canvas.ClipRect(axes.GetDataRect());
foreach (var primaryPlottable in GetPlottablesByAxis(false))
{
primaryPlottable.Render(canvas, axes);
}
foreach (var secondaryPlottable in GetPlottablesByAxis(true))
{
secondaryPlottable.Render(canvas, axes2);
}
canvas.Restore();
}
private void RenderLeft(Graphics gfx, Axes axes)
{
RectangleF dataRect = axes.GetDataRect();
StringFormat sf = Tools.StringFormat(Tools.AlignHoriz.right, Tools.AlignVert.center);
foreach (Tick tick in ticks)
{
if ((tick.value >= axes.y.low) && (tick.value <= axes.y.high))
{
float yPixel = axes.GetPixel(0, tick.value).Y;
gfx.DrawLine(Pens.LightGray, dataRect.Left, yPixel, dataRect.Right, yPixel);
gfx.DrawLine(Pens.Black, dataRect.Left, yPixel, dataRect.Left - length, yPixel);
gfx.DrawString(tick.label, font, brush, new PointF(dataRect.Left - length, yPixel), sf);
}
}
}
private void RenderBottom(Graphics gfx, Axes axes)
{
RectangleF dataRect = axes.GetDataRect();
StringFormat sf = Tools.StringFormat(Tools.AlignHoriz.center, Tools.AlignVert.top);
foreach (Tick tick in ticks)
{
if ((tick.value >= axes.x.low) && (tick.value <= axes.x.high))
{
float xPixel = axes.GetPixel(tick.value, 0).X;
gfx.DrawLine(Pens.LightGray, xPixel, dataRect.Bottom, xPixel, dataRect.Top);
gfx.DrawLine(Pens.Black, xPixel, dataRect.Bottom, xPixel, dataRect.Bottom + length);
gfx.DrawString(tick.label, font, brush, new PointF(xPixel, dataRect.Bottom + length), sf);
}
}
}
