protected List <Rectangle> DrawLeaves(List <MerkleNode> leaves)
{
List <Rectangle> rects = new List <Rectangle>();
int i = 0;
foreach (var leaf in leaves.Cast <DemoMerkleNode>())
{
var leafRect = new Rectangle(i * X_OFFSET, LEAF_Y, LEAF_WIDTH, NODE_HEIGHT);
WebSocketHelpers.DropShape("Box", leaf.Text, leafRect, LEAF_COLOR, leaf.Text);
rects.Add(leafRect);
leaf.Tag = leafRect;
++i;
}
return(rects);
}
protected List <Rectangle> DrawParents(IEnumerable <MerkleNode> parents, int level)
{
List <Rectangle> rects = new List <Rectangle>();
int i = 0;
int l0 = level - 1;
int indent;
int spacing;
int width = NODE_WIDTH;
// Leaves and branches have different widths.
if (level == 1)
{
indent = LEAF_WIDTH / 2 - 5;
spacing = LEAF_WIDTH * 2 + 10;
}
else if (level == 2)
{
indent = ((int)Math.Pow(2, l0) - 1) * LEAF_WIDTH + LEAF_WIDTH / 2;
spacing = NODE_WIDTH * (int)Math.Pow(2, level) - NODE_WIDTH / 2 - 13;
}
else if (level == 3)
{
indent = ((int)Math.Pow(2, l0) - 1) * LEAF_WIDTH + LEAF_WIDTH / 2 + 10;
spacing = NODE_WIDTH * (int)Math.Pow(2, level) - NODE_WIDTH / 2 - 75;
}
else
{
indent = ((int)Math.Pow(2, l0) - 1) * LEAF_WIDTH + LEAF_WIDTH / 2 - 20;
spacing = NODE_WIDTH * (int)Math.Pow(2, level) - NODE_WIDTH / 2 - 30;
width = NODE_WIDTH * 2;
}
Color nodeColor = parents.Count() == 1 ? ROOT_COLOR : NODE_COLOR;
foreach (var node in parents.Cast <DemoMerkleNode>())
{
var nodeRect = new Rectangle(indent + i * spacing, LEAF_Y - (V_OFFSET * level), width, NODE_HEIGHT);
WebSocketHelpers.DropShape("Box", node.Text, nodeRect, nodeColor, node.Text);
rects.Add(nodeRect);
node.Tag = nodeRect;
++i;
}
return(rects);
}