private void PictureBox_MouseMove(object sender, MouseEventArgs e)
{
// Update pixel value label
float val = PictureBox.GetValue(new Vec2(e.Location));
string valstr;
if (float.IsNaN(val))
{
valstr = "No value";
}
else
{
valstr = val.ToString();
}
Vec2 picPos = PictureBox.ScreenToPicture(new Vec2(e.Location));
if (PictureBox.Zoom != 1)
{
labelPixelValue.Text = $"({picPos.X:F2}, {picPos.Y:F2}): {valstr}";
}
else
{
labelPixelValue.Text = $"({picPos.X:F0}, {picPos.Y:F0}): {valstr}";
}
if (PanStartMousePosition != Point.Empty)
{
// Pan image
Vec2 delta = (new Vec2(e.Location) - new Vec2(PanStartMousePosition)) / Zoom;
PictureBox.PicturePosition = (new Vec2(PanStartPicturePosition) - delta).ToPointF();
UpdateUI();
}
else if (ActiveAnnotation != null && e.Button == MouseButtons.Left)
{
if (ActiveControlPoint >= 0)
{
// Move control point
Vec3 pos = new Vec3(PictureBox.ScreenToPicture(new Vec2(e.Location)), PictureBox.Slice);
ActiveAnnotation.ControlPoints[ActiveControlPoint] = pos;
}
else
{
// Move all control points
Vec3 delta = new Vec3(PictureBox.ScreenToPicture(new Vec2(e.Location)), PictureBox.Slice) - controlPointSelectLocation;
for (int n = 0; n < ActiveAnnotation.ControlPoints.Count; n++)
{
ActiveAnnotation.ControlPoints[n] = oldControlPointLocations[n] + delta;
}
}
Refresh();
UpdateProfile();
}
}