public void Round()
{
Assert.AreEqual(sizeI, sizeD.Round());
Assert.AreEqual(sizeI, new SizeD(0.6, 1.6).Round());
Assert.AreEqual(sizeI, new SizeD(1.4, 2.4).Round());
Assert.AreEqual(sizeI, sizeF.Round());
Assert.AreEqual(sizeI, new SizeF(0.6f, 1.6f).Round());
Assert.AreEqual(sizeI, new SizeF(1.4f, 2.4f).Round());
}
public override void Draw(Graphics g, RectangleD worldRect, Rectangle canvasRect)
{
var size = SizeD.Round(Conversion.WorldToScreen(
new SizeD(barWidth / 100.0, 0.0), worldRect, canvasRect));
var barWd = Math.Max(size.Width, 2);
var left = worldRect.Left <= 0 ? 0 : (int)worldRect.Left;
var right = worldRect.Right >= data.Count ? data.Count - 1 : (int)worldRect.Right;
if (right <= left)
{
return;
}
for (var i = left; i <= right; i++)
//foreach (var bar in data)
{
var bar = data[i];
Point pointTop =
Conversion.WorldToScreen(
new PointD(bar.index - 0.45, bar.y),
worldRect,
canvasRect).Round();
Point pointBottom =
Conversion.WorldToScreen(
new PointD(bar.index - 0.45, 0),
worldRect,
canvasRect).Round();
using (var brush = new SolidBrush(bar.color))
{
var low = Math.Min(pointTop.Y, pointBottom.Y);
var height = Math.Abs(pointTop.Y - pointBottom.Y);
g.FillRectangle(brush, pointTop.X - (barWd / 2), low,
barWd, height);
}
}
}