public void drawImage(Image img, float alpha, double[] _xyzSW, double[] _xyzSE, double[] _xyzNW) {
Composite cs = comp2D.getComposite();
comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
AffineTransform t =
getAffineTransform(img.getWidth(canvas), img.getHeight(canvas), _xyzSW, _xyzSE, _xyzNW);
if (t != null) {
comp2D.drawImage(img, t, canvas);
}
comp2D.setComposite(cs);
}
public void paintComponent(Graphics screen) {
if (inactive == null) {
inactive = new Image[BUTTON_COUNT];
rollover = new Image[BUTTON_COUNT];
active = new Image[BUTTON_COUNT];
int IMAGE_SIZE = 33;
for (int i = 0; i < BUTTON_COUNT; i++) {
inactive[i] = createImage(BUTTON_WIDTH, BUTTON_HEIGHT);
Graphics g = inactive[i].getGraphics();
g.drawImage(buttons, -(i * IMAGE_SIZE) - 3, -2 * IMAGE_SIZE, null);
rollover[i] = createImage(BUTTON_WIDTH, BUTTON_HEIGHT);
g = rollover[i].getGraphics();
g.drawImage(buttons, -(i * IMAGE_SIZE) - 3, -1 * IMAGE_SIZE, null);
active[i] = createImage(BUTTON_WIDTH, BUTTON_HEIGHT);
g = active[i].getGraphics();
g.drawImage(buttons, -(i * IMAGE_SIZE) - 3, -0 * IMAGE_SIZE, null);
}
state = new int[buttonCount];
stateImage = new Image[buttonCount];
for (int i = 0; i < buttonCount; i++) {
setState(i, INACTIVE, false);
}
}
Dimension size = getSize();
if ((offscreen == null) || (size.width != width) || (size.height != height)) {
offscreen = createImage(size.width, size.height);
width = size.width;
height = size.height;
y1 = 0;
y2 = BUTTON_HEIGHT;
x1 = new int[buttonCount];
x2 = new int[buttonCount];
int offsetX = 3;
for (int i = 0; i < buttonCount; i++) {
x1[i] = offsetX;
if (i == 2) x1[i] += BUTTON_GAP;
x2[i] = x1[i] + BUTTON_WIDTH;
offsetX = x2[i];
}
}
Graphics g = offscreen.getGraphics();
g.setColor(bgcolor); // getBackground());
g.fillRect(0, 0, width, height);
for (int i = 0; i < buttonCount; i++) {
g.drawImage(stateImage[i], x1[i], y1, null);
}
g.setColor(statusColor);
g.setFont(statusFont);
/*
// if i ever find the guy who wrote the java2d api, i will hurt him.
Graphics2D g2 = (Graphics2D) g;
FontRenderContext frc = g2.getFontRenderContext();
float statusW = (float) statusFont.getStringBounds(status, frc).getWidth();
float statusX = (getSize().width - statusW) / 2;
g2.drawString(status, statusX, statusY);
*/
// int statusY = (BUTTON_HEIGHT + statusFont.getAscent()) / 2;
int statusY = (BUTTON_HEIGHT + g.getFontMetrics().getAscent()) / 2;
g.drawString(status, buttonCount * BUTTON_WIDTH + 2 * BUTTON_GAP, statusY);
screen.drawImage(offscreen, 0, 0, null);
}
/**
* calls drawImage(Image,int,int,int,int,Color,ImageObserver)
*
* @see #drawImage(Image,int,int,int,int,Color,ImageObserver)
*/
public boolean drawImage(Image img, int x, int y, Color bgcolor, ImageObserver observer) {
return drawImage(img, x, y, img.getWidth(observer), img.getHeight(observer), bgcolor, observer);
}