void LayoutChildForPosition(CoverflowItem item, int size, double position)
{
var rotation = -Math.Atan(position * 2) / (Math.PI / 2);
Point center = new Point(Width / 2, Height / 2);
center.X += size * (1.3 - Math.Abs(rotation * rotation)) * position;
item.SetSize(size, size);
item.X = center.X - size / 2;
item.Y = center.Y - size / 2;
item.RotationY = (rotation * 75).Clamp(-72, 72);
item.X = item.X.Clamp(-size - 10, Width + 10);
item.QueueDraw();
LabelNode label = null;
if (position <= 0 && position > -1)
{
label = leftLabel;
}
else if (position > 0 && position < 1)
{
label = rightLabel;
}
if (label != null)
{
label.Opacity = Math.Max(0, 1 - Math.Abs(position));
label.Text = item.Name;
label.X = center.X - label.Width / 2;
label.Y = center.Y + size * 0.6;
label.SetSize(label.PreferedWidth, label.PreferedHeight);
}
}
public Coverflow(IEnumerable<string> files)
: this()
{
foreach (var file in files) {
CoverflowItem item = new CoverflowItem (file);
Add (item);
}
}
public Coverflow(IEnumerable <string> files) : this()
{
foreach (var file in files)
{
CoverflowItem item = new CoverflowItem(file);
Add(item);
}
}
void LayoutChildForPosition(CoverflowItem item, int size, double position)
{
var rotation = -Math.Atan (position * 2) / (Math.PI / 2);
Point center = new Point (Width / 2, Height / 2);
center.X += size * (1.3 - Math.Abs (rotation * rotation)) * position;
item.SetSize (size, size);
item.X = center.X - size / 2;
item.Y = center.Y - size / 2;
item.RotationY = (rotation * 75).Clamp (-72, 72);
item.X = item.X.Clamp (-size - 10, Width + 10);
item.QueueDraw ();
LabelNode label = null;
if (position <= 0 && position > -1) {
label = leftLabel;
} else if (position > 0 && position < 1) {
label = rightLabel;
}
if (label != null) {
label.Opacity = Math.Max (0, 1 - Math.Abs (position));
label.Text = item.Name;
label.X = center.X - label.Width / 2;
label.Y = center.Y + size * 0.6;
label.SetSize (label.PreferedWidth, label.PreferedHeight);
}
}
void AnimateTo(CoverflowItem item)
{
int target = images.IndexOf (item);
AnimateTo (target, 500);
}
void AnimateTo(CoverflowItem item)
{
int target = images.IndexOf(item);
AnimateTo(target, 500);
}
