Examples with GraphicsState com.github.lindenb.jvarkit.swing.GraphicsState used on opensource projects

Example 1 with GraphicsState

use of com.github.lindenb.jvarkit.swing.GraphicsState in project jvarkit by lindenb.

the class CoveragePlotter method drawGenes.

private void drawGenes(final Graphics2D g, final Rectangle rect, final Locatable region) {
    final IntToDoubleFunction position2pixel = X -> ((X - region.getStart()) / (double) region.getLengthOnReference()) * rect.getWidth();
    final double y = rect.getMaxY() - 4.0;
    try (GraphicsState state = GraphicsState.of(g)) {
        final int geneSize = 10;
        state.getGraphics().setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
        g.setFont(new Font(g.getFont().getName(), Font.PLAIN, geneSize));
        g.setColor(getColor("gene", Color.DARK_GRAY));
        getGenes(region).forEach(gtfline -> {
            final double x1 = position2pixel.applyAsDouble(gtfline.getStart());
            final double x2 = position2pixel.applyAsDouble(gtfline.getEnd());
            if (gtfline.getType().equals("gene")) {
                g.drawString(gtfline.getAttribute("gene_name"), (int) Math.max(x1, 1), (int) (y - (geneSize + 3)));
            } else if (gtfline.getType().equals("exon")) {
                g.draw(new Rectangle2D.Double(x1, y - 1, (x2 - x1), 3));
            } else if (gtfline.getType().equals("transcript")) {
                g.draw(new Line2D.Double(x1, y, x2, y));
            }
        });
    }
}