public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) { if (image != null && showimage) { // TODO: add ability to scale maintaining aspect ratio fitting to size of parent // TODO: Need to add not zoom all the way, but zoom to a box of aspect ratio 4/3 Graphics2D g2 = (Graphics2D) g; AffineTransform tran = new AffineTransform(1f, 0f, 0f, 1f, 0, 0); float widthscale = (float) c.getWidth() / image.getWidth(); float heightscale = (float) c.getHeight() / image.getHeight(); switch (drawmode) { case DRAW_MODE_ASPECT: float scale; if (widthscale < heightscale) { scale = widthscale; } else { scale = heightscale; } tran.scale(scale, scale); g2.drawImage( image, new AffineTransformOp(tran, AffineTransformOp.TYPE_BILINEAR), (int) (c.getWidth() - image.getWidth() * scale) / 2, (int) (c.getHeight() - image.getHeight() * scale) / 2); break; case DRAW_MODE_WIDTH: tran.scale(widthscale, widthscale); g2.drawImage(image, tran, null); break; case DRAW_MODE_HEIGHT: tran.scale(heightscale, heightscale); g2.drawImage(image, tran, null); break; default: tran.scale(widthscale, heightscale); g2.drawImage(image, tran, null); break; } } }
static void fillRect(final Graphics g, final Component c) { fillRect(g, c, c.getBackground(), 0, 0, c.getWidth(), c.getHeight()); }