private void render(XML xml) {
int depth = getDepth(xml);
int[] widths = new int[depth];
int width = getWidths(xml, widths);
g =
p.createGraphics(
(int) ((width + 1) * RECT_WIDTH * 1.5), (int) ((depth + 1) * RECT_HEIGHT * 1.5));
g.beginDraw();
g.background(128);
renderTree(xml, widths);
g.endDraw();
resetView();
dirtyTree = false;
}
private void renderTreeHelper(XML xml, int[] widths, int depth, int[] ltor) {
float x = (g.width / widths[depth]) * (0.5f + ltor[depth]++);
float y = (g.height / widths.length) * (0.5f + depth);
xml.setFloat("x", x);
xml.setFloat("y", y);
if (xml.getParent() != null)
g.line(
xml.getParent().getFloat("x"),
xml.getParent().getFloat("y") + RECT_HEIGHT / 2,
x,
y - RECT_HEIGHT / 2);
if (xml.hasAttribute("altColor")) {
String hexColor = xml.getString("altColor");
g.fill(
getColorComponent(hexColor, 0),
getColorComponent(hexColor, 1),
getColorComponent(hexColor, 2));
}
g.rect(x, y, RECT_WIDTH, RECT_HEIGHT, 4);
g.fill(0);
if (xml.hasAttribute("altName"))
g.text(xml.getString("altName"), x, y, RECT_WIDTH, RECT_HEIGHT);
else g.text(xml.getName(), x, y, RECT_WIDTH, RECT_HEIGHT);
g.fill(255);
XML[] children = xml.getChildren();
for (int i = 0; i < children.length; i++)
renderTreeHelper(children[i], widths, depth + 1, ltor);
}
private void renderTree(XML xml, int[] widths) {
g.rectMode(PApplet.CENTER);
g.textAlign(PApplet.CENTER, PApplet.CENTER);
renderTreeHelper(xml, widths, 0, new int[widths.length]);
}