// Many of the following methods have been added purely
// so InternalFunctions can work. Originally, the code in
// that class was inline here, so its functions had direct
// access. I removed it so that students do not need to wade
// through all the functions! But, that leaves the question as
// to what to do with the following methods, but I don't think
// there's much you can do ...
public void changeSize(int width, int height) {
setSize(width, height);
Component top = splitPane.getTopComponent();
Component bottom = splitPane.getBottomComponent();
int totalHeight = top.getHeight() + bottom.getHeight();
int topHeight = (totalHeight * topProportion) / 100;
int bottomHeight = (totalHeight * bottomProportion) / 100;
top.setPreferredSize(new Dimension(width - 10, topHeight));
bottom.setPreferredSize(new Dimension(width - 10, bottomHeight));
splitPane.resetToPreferredSizes();
pack();
}
public synchronized void paintIcon(Component c, Graphics g, int x, int y) {
g.setColor(Color.white);
g.fillRect(0, 0, c.getWidth(), c.getHeight());
if (getImageObserver() == null) {
g.drawImage(
getImage(),
c.getWidth() / 2 - getIconWidth() / 2,
c.getHeight() / 2 - getIconHeight() / 2,
c);
} else {
g.drawImage(
getImage(),
c.getWidth() / 2 - getIconWidth() / 2,
c.getHeight() / 2 - getIconHeight() / 2,
getImageObserver());
}
}
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;
}
}
}