protected override void OnPointerPressed(PointerRoutedEventArgs e)
{
var pt = new UniPoint(e.GetCurrentPoint(this).Position.X, e.GetCurrentPoint(this).Position.Y);
selCoord = pt;
pt.X -= ((Width - cpRender.Bounds.Width) / 2);
pt.Y -= ((Height - cpRender.Bounds.Height) / 2);
if (!cpRender.Bounds.Contains((System.Drawing.PointF)pt))
{
selCoord = null;
return;
}
var c = cpRender.HitTest((int)pt.X, (int)pt.Y);
if (c == System.Drawing.Color.Empty)
{
selCoord = null;
return;
}
SetSelectedColor(c);
CapturePointer(e.Pointer);
colorDragging = true;
ColorHit?.Invoke(this, new ColorHitEventArgs(c));
}
void OnTouch(object sender, TouchActionEventArgs args)
{
if (args.Type == TouchActionType.Pressed || args.Type == TouchActionType.Moved)
{
var pt = new UniPoint(args.Location.X, args.Location.Y);
selCoord = pt;
pt.X -= (Width - cpRender.Bounds.Width) / 2;
pt.Y -= (Height - cpRender.Bounds.Height) / 2;
if (!cpRender.Bounds.Contains((System.Drawing.PointF)pt))
{
selCoord = null;
Canvas.InvalidateSurface();
return;
}
var c = cpRender.HitTest((int)pt.X, (int)pt.Y);
if (c == System.Drawing.Color.Empty)
{
selCoord = null;
Canvas.InvalidateSurface();
return;
}
Canvas.InvalidateSurface();
SetSelectedColor(c);
ColorHit?.Invoke(this, new ColorHitEventArgs(c));
}
else if (args.Type == TouchActionType.Moved)
{
var pt = new UniPoint(args.Location.X, args.Location.Y);
pt.X -= (Width - cpRender.Bounds.Width) / 2;
pt.Y -= (Height - cpRender.Bounds.Height) / 2;
if (!cpRender.Bounds.Contains((System.Drawing.PointF)pt))
{
return;
}
var c = cpRender.HitTest((int)pt.X, (int)pt.Y);
if (c == System.Drawing.Color.Empty)
{
return;
}
ColorOver?.Invoke(this, new ColorHitEventArgs(c));
}
}
protected override void OnPointerMoved(PointerRoutedEventArgs e)
{
var pt = new UniPoint(e.GetCurrentPoint(this).Position.X, e.GetCurrentPoint(this).Position.Y);
pt.X -= ((Width - cpRender.Bounds.Width) / 2);
pt.Y -= ((Height - cpRender.Bounds.Height) / 2);
//if (!cpRender.Bounds.Contains((System.Drawing.PointF)pt))
//{
// selCoord = null;
// return;
//}
var c = cpRender.HitTest((int)pt.X, (int)pt.Y, true, out int fixX, out int fixY);
selCoord = new UniPoint(fixX, fixY);
if (c == System.Drawing.Color.Empty)
{
selCoord = null;
if (ProtectedCursor == null || ProtectedCursor.Type != CoreCursorType.Arrow)
{
ProtectedCursor = new CoreCursor(CoreCursorType.Arrow, 1);
}
return;
}
if (ProtectedCursor == null || ProtectedCursor.Type != CoreCursorType.Cross)
{
ProtectedCursor = new CoreCursor(CoreCursorType.Cross, 2);
}
if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed&& colorDragging)
{
SetSelectedColor(c);
}
}
