} // avoid sharing Id and getting it globally clobbered!
public static bool Same(Swipe swipe1, Swipe swipe2)
{
return(swipe1.scale == swipe2.scale && swipe1.translate.X == swipe2.translate.X && swipe1.translate.Y == swipe2.translate.Y);
}
public static SKRect Inverse(SKRect r, Swipe w)
{
return(new SKRect((r.Left - w.translate.X) / w.scale, (r.Top - w.translate.Y) / w.scale, (r.Right - w.translate.X) / w.scale, (r.Bottom - w.translate.Y) / w.scale));
}
// Inverse transformations
public static SKPoint Inverse(SKPoint p, Swipe w)
{
return(new SKPoint((p.X - w.translate.X) / w.scale, (p.Y - w.translate.Y) / w.scale));
}
public /*interface ChartPainter*/ void DrawCourseFill(List <KChartEntry> list, int seriesIndex, float bottom, SKColor color, Swipe pinchPan)
{
if (list.Count > 1)
{
using (var paint = FillPaint(color)) {
var path = new SKPath();
path.MoveTo(pinchPan % new SKPoint(list[0].Ypoint[seriesIndex].X, bottom));
path.LineTo(pinchPan % list[0].Ypoint[seriesIndex]);
for (int i = 0; i < list.Count; i++)
{
path.LineTo(pinchPan % list[i].Ypoint[seriesIndex]);
}
path.LineTo(pinchPan % new SKPoint(list[list.Count - 1].Ypoint[seriesIndex].X, bottom));
path.Close();
canvas.DrawPath(path, paint);
}
}
}
public /*interface ChartPainter*/ void DrawCourseRange(List <KChartEntry> list, int seriesIndex, SKColor color, Swipe pinchPan)
{
if (list.Count == 1)
{
canvas.DrawCircle(list[0].Ypoint[seriesIndex], pinchPan % 3, FillPaint(color));
}
if (list.Count > 1)
{
using (var paint = FillPaint(color)) {
var path = new SKPath();
KChartEntry entry0 = list[0];
SKPoint meanPoint0 = entry0.Ypoint[seriesIndex];
float range0 = entry0.YpointRange[seriesIndex];
path.MoveTo(pinchPan % new SKPoint(meanPoint0.X, meanPoint0.Y + range0));
path.LineTo(pinchPan % new SKPoint(meanPoint0.X, meanPoint0.Y - range0));
for (int i = 0; i < list.Count; i++)
{
KChartEntry entry = list[i];
SKPoint meanPoint = entry.Ypoint[seriesIndex];
float range = entry.YpointRange[seriesIndex];
path.LineTo(pinchPan % new SKPoint(meanPoint.X, meanPoint.Y - range));
}
for (int i = list.Count - 1; i >= 0; i--)
{
KChartEntry entry = list[i];
SKPoint meanPoint = entry.Ypoint[seriesIndex];
float range = entry.YpointRange[seriesIndex];
path.LineTo(pinchPan % new SKPoint(meanPoint.X, meanPoint.Y + range));
}
path.Close();
canvas.DrawPath(path, paint);
}
}
}
public /*interface ChartPainter*/ void DrawCourse(List <KChartEntry> list, int seriesIndex, float pointSize, SKColor color, Swipe pinchPan)
{
if (list.Count == 1)
{
canvas.DrawCircle(list[0].Ypoint[seriesIndex], pinchPan % 3, FillPaint(color));
}
if (list.Count > 1)
{
using (var paint = LinePaint(pointSize, color)) {
var path = new SKPath();
path.MoveTo(pinchPan % list[0].Ypoint[seriesIndex]);
for (int i = 0; i < list.Count; i++)
{
path.LineTo(pinchPan % list[i].Ypoint[seriesIndex]);
}
canvas.DrawPath(path, paint);
}
}
}