public void mouseDragged(MouseEvent e) {
int mods = e.getModifiersEx();
Point dragEnd = e.getPoint();
boolean shift = (mods & MouseEvent.SHIFT_DOWN_MASK) > 0;
boolean ctrl = (mods & MouseEvent.CTRL_DOWN_MASK) > 0;
boolean alt = shift & ctrl;
ctrl = ctrl & (!alt);
shift = shift & (!alt);
boolean nomods = !(shift | ctrl | alt);
if (dragBegin == null) dragBegin = dragEnd;
nodrag = false;
if ((mods & InputEvent.BUTTON3_DOWN_MASK) > 0 || true) {
double dx = dragEnd.getX() - dragBegin.getX();
double dy = dragEnd.getY() - dragBegin.getY();
synchronized (JImage.this) {
t.preConcatenate(AffineTransform.getTranslateInstance(dx, dy));
}
dragBegin = dragEnd;
repaint();
}
}
public Point componentToImage(Point p) {
float r = Math.min(getWidth() / (float) width, getHeight() / (float) height);
int x = (int) (p.getX() / r);
int y = (int) (p.getY() / r);
if ((x > width - 1) || (y > height - 1)) return new Point(-1, -1);
return new Point(x, y);
}
public void paint(Graphics g1) {
Graphics2D g = (Graphics2D) g1;
Component c;
Point p;
paintComponent(g);
for (int i = 0; i < getComponentCount(); i++) {
AffineTransform save = g.getTransform();
c = getComponent(i);
p = c.getLocation();
g.translate((int) p.getX(), (int) p.getY());
c.paint(g);
g.setTransform(save);
}
}
public void mousePressed(MouseEvent e) {
requestFocus();
Point p = e.getPoint();
int size =
Math.min(
MAX_SIZE,
Math.min(
getWidth() - imagePadding.left - imagePadding.right,
getHeight() - imagePadding.top - imagePadding.bottom));
p.translate(-(getWidth() / 2 - size / 2), -(getHeight() / 2 - size / 2));
if (mode == ColorPicker.BRI || mode == ColorPicker.SAT) {
// the two circular views:
double radius = ((double) size) / 2.0;
double x = p.getX() - size / 2.0;
double y = p.getY() - size / 2.0;
double r = Math.sqrt(x * x + y * y) / radius;
double theta = Math.atan2(y, x) / (Math.PI * 2.0);
if (r > 1) r = 1;
if (mode == ColorPicker.BRI) {
setHSB((float) (theta + .25f), (float) (r), bri);
} else {
setHSB((float) (theta + .25f), sat, (float) (r));
}
} else if (mode == ColorPicker.HUE) {
float s = ((float) p.x) / ((float) size);
float b = ((float) p.y) / ((float) size);
if (s < 0) s = 0;
if (s > 1) s = 1;
if (b < 0) b = 0;
if (b > 1) b = 1;
setHSB(hue, s, b);
} else {
int x2 = p.x * 255 / size;
int y2 = p.y * 255 / size;
if (x2 < 0) x2 = 0;
if (x2 > 255) x2 = 255;
if (y2 < 0) y2 = 0;
if (y2 > 255) y2 = 255;
if (mode == ColorPicker.RED) {
setRGB(red, x2, y2);
} else if (mode == ColorPicker.GREEN) {
setRGB(x2, green, y2);
} else {
setRGB(x2, y2, blue);
}
}
}
