@Override
public void writeOutput(VisualizerInput input, OutputStream outstream) {
this.input = input;
AnnisResult result = input.getResult();
List<AbstractImageGraphicsItem> layouts = new LinkedList<AbstractImageGraphicsItem>();
double width = 0;
double maxheight = 0;
for (DirectedGraph<AnnisNode, Edge> g : graphtools.getSyntaxGraphs(input)) {
if (g.getEdgeCount() > 0 && g.getVertexCount() > 0) {
ConstituentLayouter<AbstractImageGraphicsItem> cl =
new ConstituentLayouter<AbstractImageGraphicsItem>(g, backend, labeler, styler, input);
AbstractImageGraphicsItem item =
cl.createLayout(
new LayoutOptions(
VerticalOrientation.TOP_ROOT,
AnnisGraphTools.detectLayoutDirection(result.getGraph())));
Rectangle2D treeSize = item.getBounds();
maxheight = Math.max(maxheight, treeSize.getHeight());
width += treeSize.getWidth();
layouts.add(item);
}
}
BufferedImage image =
new BufferedImage(
(int) (width + (layouts.size() - 1) * TREE_DISTANCE + 2 * SIDE_MARGIN),
(int) (maxheight + 2 * TOP_MARGIN),
BufferedImage.TYPE_INT_ARGB);
Graphics2D canvas = createCanvas(image);
double xOffset = SIDE_MARGIN;
for (AbstractImageGraphicsItem item : layouts) {
AffineTransform t = canvas.getTransform();
Rectangle2D bounds = item.getBounds();
canvas.translate(xOffset, TOP_MARGIN + maxheight - bounds.getHeight());
renderTree(item, canvas);
xOffset += bounds.getWidth() + TREE_DISTANCE;
canvas.setTransform(t);
}
try {
ImageIO.write(image, "png", outstream);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public Color getEdgeColor(Edge e) {
if (AnnisGraphTools.hasEdgeSubtype(e, AnnisGraphTools.SECEDGE_SUBTYPE, input)) {
return new Color(0.5f, 0.5f, 0.8f, 0.7f);
} else {
return new Color(0.3f, 0.3f, 0.3f);
}
}
@Override
public Stroke getStroke(Edge e) {
if (AnnisGraphTools.hasEdgeSubtype(e, AnnisGraphTools.SECEDGE_SUBTYPE, input)) {
return new BasicStroke(
2, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 10, new float[] {2, 2}, 0);
} else {
return new BasicStroke(2);
}
}
@Override
public Shape getShape(Edge e) {
if (AnnisGraphTools.hasEdgeSubtype(e, AnnisGraphTools.SECEDGE_SUBTYPE, input)) {
return new Shape.Rectangle(
getEdgeColor(e), Color.WHITE, DEFAULT_PEN_STYLE, getLabelPadding());
} else {
return new Shape.Rectangle(
new Color(0.4f, 0.4f, 0.4f), Color.WHITE, DEFAULT_PEN_STYLE, getLabelPadding());
}
}