public void Render(GraphBuilder context, IImageProcessingContext <Rgba32> renderContext, GraphicsOptions renderOptions)
{
// top left is renderer's origin point
if (LineDistanceVertical.HasValue)
{
float interval = context.ToPixelsVertical(LineDistanceVertical.Value);
int gridLineCt = 0;
Action <float> loopBody = y =>
{
renderContext.DrawLines(MajorVerticalGridLineInterval > 0 && gridLineCt % MajorVerticalGridLineInterval == 0 ? MajorVerticalPen : VerticalPen, new PointF[] {
new PointF(context.GridRegion.Left, y),
new PointF(context.GridRegion.Right, y)
}, renderOptions);
gridLineCt++;
};
// 2 loops so we're guaranteed to be aligned to the origin and X-axis
// note that major grid lines will overlap axes
for (float y = context.GridRegion.Top + context.Origin.Y; y < context.GridRegion.Bottom; y += interval)
{
loopBody(y);
}
gridLineCt = 0;
for (float y = context.GridRegion.Top + context.Origin.Y; y > context.GridRegion.Top; y -= interval)
{
loopBody(y);
}
}
if (LineDistanceHorizontal.HasValue)
{
float interval = context.ToPixelsHorizontal(LineDistanceHorizontal.Value);
int gridLineCt = 0;
Action <float> loopBody = x =>
{
renderContext.DrawLines(MajorHorizontalGridLineInterval > 0 && gridLineCt % MajorHorizontalGridLineInterval == 0 ? MajorHorizontalPen : HorizontalPen, new PointF[] {
new PointF(x, context.GridRegion.Top),
new PointF(x, context.GridRegion.Bottom)
}, renderOptions);
gridLineCt++;
};
// 2 loops so we're guaranteed to be aligned to the origin and Y-axis
for (float x = context.GridRegion.Left + context.Origin.X; x < context.GridRegion.Right; x += interval)
{
loopBody(x);
}
gridLineCt = 0;
for (float x = context.GridRegion.Left + context.Origin.X; x > context.GridRegion.Left; x -= interval)
{
loopBody(x);
}
}
}
public void Render(GraphBuilder context, IImageProcessingContext <Rgba32> renderContext, GraphicsOptions options)
{
PointF originPixelPos = (context.GridRegion.Position() + context.Origin);
if (Axis.IsHorizontal)
{
float leftBound = context.GridRegion.Left;
float rightBound = context.GridRegion.Right;
float xData = EnableForZero ? 0 : TickDistance;
float x = originPixelPos.X + context.ToPixelsHorizontal(xData);
// doesn't lend itself to log scales...
float pixelTick = context.ToPixelsHorizontal(TickDistance);
while (x < rightBound)
{
Image <Rgba32> generatedLabel = GenerateLabel(xData, options);
renderContext.DrawImage(generatedLabel, generatedLabel.Size(), new Point((int)x, (int)originPixelPos.Y), options);
x += pixelTick;
xData += TickDistance;
}
xData = -TickDistance;
x = originPixelPos.X + context.ToPixelsHorizontal(xData);
while (x > leftBound)
{
x -= pixelTick;
xData -= TickDistance;
}
}
else
{
float topBound = context.GridRegion.Left;
float bottomBound = context.GridRegion.Right;
float yData = EnableForZero ? 0 : TickDistance;
float y = originPixelPos.Y + context.ToPixelsVertical(yData);
// doesn't lend itself to log scales...
float pixelTick = context.ToPixelsVertical(TickDistance);
while (y < bottomBound)
{
Image <Rgba32> generatedLabel = GenerateLabel(yData, options);
renderContext.DrawImage(generatedLabel, generatedLabel.Size(), new Point((int)originPixelPos.X, (int)y), options);
y += pixelTick;
yData += TickDistance;
}
yData = -TickDistance;
y = originPixelPos.Y + context.ToPixelsVertical(yData);
while (y > topBound)
{
Image <Rgba32> generatedLabel = GenerateLabel(yData, options);
renderContext.DrawImage(generatedLabel, generatedLabel.Size(), new Point((int)originPixelPos.X, (int)y), options);
y -= pixelTick;
yData -= TickDistance;
}
}
}