|
public static Center ( |
||
| r | ||
| Результат | ||
private void GetSnapshot()
{
var p = MousePosition;
var scaling = Util.GetScalingFactor();
p.X = (int)(p.X * scaling);
p.Y = (int)(p.Y * scaling);
p.X -= (int)(_mSnapshot.Width * scaling) / 2;
p.Y -= (int)(_mSnapshot.Height * scaling) / 2;
using (var dc = Graphics.FromImage(_mSnapshot))
{
dc.CopyFromScreen(p, new Point(0, 0), _mSnapshot.Size);
Refresh(); //Invalidate();
var center = Util.Center(new RectangleF(0, 0, _mSnapshot.Size.Width, _mSnapshot.Size.Height));
var c = _mSnapshot.GetPixel((int)Math.Ceiling(center.X), (int)Math.Ceiling(center.Y));
if (c == SelectedColor)
{
return;
}
SelectedColor = c;
SelectedColorChanged?.Invoke(this, null);
}
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (_mSnapshot == null)
{
return;
}
e.Graphics.InterpolationMode = InterpolationMode.NearestNeighbor;
var r = RectangleF.Empty;
r.Width = _mSnapshot.Size.Width * Zoom;
r.Height = _mSnapshot.Size.Height * Zoom;
r.X = 0;
r.Y = 0;
e.Graphics.DrawImage(_mSnapshot, r);
if (_iscapturing)
{
var center = Util.Center(r);
var centerrect = new Rectangle(Util.Point(center), new Size(0, 0));
centerrect.X -= Zoom / 2 - 1;
centerrect.Y -= Zoom / 2 - 1;
centerrect.Width = Zoom;
centerrect.Height = Zoom;
e.Graphics.DrawRectangle(Pens.Black, centerrect);
}
else
{
const int offset = 3;
e.Graphics.FillRectangle(SystemBrushes.Control, new Rectangle(new Point(0, 0), Size));
e.Graphics.DrawImage(_mIcon, offset, offset);
}
//
//draws a border - removed for now.
//
//var rr = ClientRectangle;
//Pen pen = new Pen(BackColor, 3);
//rr.Inflate(-1, -1);
//e.Graphics.DrawRectangle(pen, rr);
//Util.DrawFrame(e.Graphics, rr, 6, Color.CadetBlue);
}