/**
* Replaces the inner image with a new one with the specified size.
*
* @param width The width of the new image
* @param height The height of the new image.
*/
public void resizeImage(int width, int height) {
int oldWidth = getWidth();
int oldHeight = getHeight();
// image = new BufferedImage(width, height,
// BufferedImage.TYPE_INT_ARGB);
GraphicsConfiguration configuration =
GraphicsEnvironment.getLocalGraphicsEnvironment()
.getDefaultScreenDevice()
.getDefaultConfiguration();
image = configuration.createCompatibleImage(width, height, BufferedImage.TYPE_INT_ARGB);
calculateAffineTransform();
for (TransformListener listener : listeners) {
listener.imageSizeChanged(oldWidth, oldHeight, this);
}
}
/**
* Sets the extent of the transformation. This extent is not used directly to calculate the
* transformation but is adjusted to obtain an extent with the same ratio than the image
*
* @param newExtent The new base extent.
*/
public void setExtent(Envelope newExtent) {
if ((newExtent != null) && ((newExtent.getWidth() == 0) || (newExtent.getHeight() == 0))) {
newExtent.expandBy(10);
}
Envelope oldExtent = this.extent;
boolean modified = true;
/* Set extent when Envelope is modified */
if (extent != null) {
if (extent.equals(newExtent)) {
modified = false;
}
}
if (modified) {
this.extent = newExtent;
calculateAffineTransform();
for (TransformListener listener : listeners) {
listener.extentChanged(oldExtent, this);
}
}
}
public void redraw() {
for (TransformListener listener : listeners) {
listener.extentChanged(this.adjustedExtent, this);
}
}