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static new ThreadLocal renderText_fg; static new ThreadLocal renderText_bg; static BufferedImage renderText(S fontName, float fontSize, S text) { ret renderText(loadFont_cached(fontName), fontSize, text); } static BufferedImage renderText(Font font, float fontSize, S text) { Color background = optPar(renderText_bg, Color.white); Color foreground = optPar(renderText_fg, Color.black); font = font.deriveFont(fontSize); // for font metrics BufferedImage dummyImg = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB); Graphics g = dummyImg.getGraphics(); g.setFont(font); FontMetrics fm = g.getFontMetrics(); int width = fm.stringWidth(text); if (width <= 0) null; int height = fm.getHeight(); int y = fm.getAscent(); BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); g = img.getGraphics(); g.setColor(background); g.fillRect(0, 0, width, height); g.setColor(foreground); g.setFont(font); g.drawString(text, 0, y); g.dispose(); return img; }