public static Rectangle getRect(Nodes.Node n) {
int titleWidth = System.Windows.Forms.TextRenderer.MeasureText(n.getName(), nodeTitleFont).Width;
Rectangle nodeRect = new Rectangle();
nodeRect.Location = n.getPos();
nodeRect.Width = Math.Max(100, titleWidth);
nodeRect.Height = nodeTitleFont.Height;
//count the lines to cover with text
if (n.getExtra() != null && n.getExtra() != "") {
nodeRect.Height += nodeExtraFont.Height;
}
foreach (var kvp in n.getProperties()) {
if (kvp.Value.isInput || kvp.Value.isOutput) {
nodeRect.Height += nodeFont.Height;
}
}
return nodeRect;
}
public static Point getJointPos(Nodes.Node n, string port, bool input) {
Rectangle nodeRect = getRect(n);
Point result = nodeRect.Location;
result.Y += nodeTitleFont.Height;
if (n.getExtra() != null) {
result.Y += nodeExtraFont.Height;
}
foreach (var kvp in n.getProperties()) {
if (kvp.Key == port) {
break;
}
if (kvp.Value.isInput || kvp.Value.isOutput) {
result.Y += nodeFont.Height;
}
}
if (!input) {
result.X += nodeRect.Width;
}
result.Y += ballSize / 2;
return result;
}
public static string hitJoint(Nodes.Node n, Rectangle rect, int x, int y, bool inputsOnly) {
//assume using a padded rect
//missed the balls.
if (x > rect.Left + ballSize && x < rect.Right - ballSize)
return null;
rect.Y += nodeTitleFont.Height;
if (n.getExtra() != null) {
rect.Y += nodeExtraFont.Height;
}
if (y < rect.Y)
return null;
Point pos;
foreach (var kvp in n.getProperties()) {
if ((kvp.Value.isInput && inputsOnly) || (kvp.Value.isOutput && !inputsOnly)) {
pos = getJointPos(n, kvp.Key, inputsOnly);
pos.X -= x; pos.Y -= y;
//intentionally dividing by 2 instead of 4 to expand the 'okay' selection radius.
if (pos.X * pos.X + pos.Y * pos.Y < ballSize * ballSize / 2) {
return kvp.Key;
}
}
}
return null;
}
private static void drawProperties(Graphics g, Nodes.Node n, ref Rectangle nodeRect) {
//draw properties
foreach (var kvp in n.getProperties()) {
//draw bubbles
if (kvp.Value.isInput) {
g.DrawString(kvp.Key, nodeFont, Brushes.Black, nodeRect.Left + ballSize / 2, nodeRect.Y);
if (kvp.Value.input != null) {
switch(kvp.Value.getType()) {
case NodeProperties.Type.CHANNELS:
g.FillEllipse(brushChannels, nodeRect.Left - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
case NodeProperties.Type.COLOR:
g.FillEllipse(brushColors, nodeRect.Left - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
case NodeProperties.Type.VECTORS:
g.FillEllipse(brushVectors, nodeRect.Left - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
default:
g.FillEllipse(Brushes.Black, nodeRect.Left - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
}
} else {
switch (kvp.Value.getType()) {
case NodeProperties.Type.CHANNELS:
g.DrawEllipse(linkChannels, nodeRect.Left - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
case NodeProperties.Type.COLOR:
g.DrawEllipse(linkColors, nodeRect.Left - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
case NodeProperties.Type.VECTORS:
g.DrawEllipse(linkVectors, nodeRect.Left - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
default:
g.DrawEllipse(Pens.Black, nodeRect.Left - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
}
}
nodeRect.Y += nodeFont.Height;
} else if (kvp.Value.isOutput) {
g.DrawString(kvp.Key, nodeFont, Brushes.Black, nodeRect.Left + (nodeRect.Width - g.MeasureString(kvp.Key, nodeFont).Width), nodeRect.Y);
if (kvp.Value.output.Any()) {
switch (kvp.Value.getType()) {
case NodeProperties.Type.CHANNELS:
g.FillEllipse(brushChannels, nodeRect.Right - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
case NodeProperties.Type.COLOR:
g.FillEllipse(brushColors, nodeRect.Right - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
case NodeProperties.Type.VECTORS:
g.FillEllipse(brushVectors, nodeRect.Right - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
default:
g.FillEllipse(Brushes.Black, nodeRect.Right - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
}
} else {
switch (kvp.Value.getType()) {
case NodeProperties.Type.CHANNELS:
g.DrawEllipse(linkChannels, nodeRect.Right - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
case NodeProperties.Type.COLOR:
g.DrawEllipse(linkColors, nodeRect.Right - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
case NodeProperties.Type.VECTORS:
g.DrawEllipse(linkVectors, nodeRect.Right - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
default:
g.DrawEllipse(Pens.Black, nodeRect.Right - ballSize / 2, nodeRect.Y + ballOffset, ballSize, ballSize);
break;
}
}
nodeRect.Y += nodeFont.Height;
}
}
}
public static void drawLinks(Graphics g, Nodes.Node n) {
foreach (var kvp in n.getProperties()) {
if (kvp.Value.isInput && kvp.Value.input != null) {
if (kvp.Value.getType() == NodeProperties.Type.CHANNELS) {
g.DrawLine(linkChannels, NodeArtist.getJointPos(kvp.Value.input.node, kvp.Value.input.port, false), NodeArtist.getJointPos(n, kvp.Key, true));
} else if (kvp.Value.getType() == NodeProperties.Type.COLOR) {
g.DrawLine(linkColors, NodeArtist.getJointPos(kvp.Value.input.node, kvp.Value.input.port, false), NodeArtist.getJointPos(n, kvp.Key, true));
} else if (kvp.Value.getType() == NodeProperties.Type.VECTORS) {
g.DrawLine(linkVectors, NodeArtist.getJointPos(kvp.Value.input.node, kvp.Value.input.port, false), NodeArtist.getJointPos(n, kvp.Key, true));
} else {
g.DrawLine(linePen, NodeArtist.getJointPos(kvp.Value.input.node, kvp.Value.input.port, false), NodeArtist.getJointPos(n, kvp.Key, true));
}
}
}
}
