/**
* Simple image flipper. Can flip image either vertically, horizontally or both directions
*
* @param source _
* @param flipType _
* @return BufferedImage
* @throws NullPointerException _
* @throws IllegalArgumentException _
*/
public static <T> BufferedImage flipImage(final T source, final FlipType flipType)
throws NullPointerException, IllegalArgumentException, IOException {
if (verifyNotNull(source, flipType)) {
BufferedImage sourceImage = convertToBufferedImage(source);
BufferedImage target =
new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), sourceImage.getType());
AffineTransform affineTransform;
AffineTransformOp affineTransformOp;
if (flipType.equals(FlipType.HORIZONTAL) || flipType.equals(FlipType.BOTH)) {
affineTransform = AffineTransform.getScaleInstance(1, -1);
affineTransform.translate(-sourceImage.getWidth(), 0);
affineTransformOp =
new AffineTransformOp(affineTransform, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
target = affineTransformOp.filter(sourceImage, target);
}
if (flipType.equals(FlipType.VERTICAL) || flipType.equals(FlipType.BOTH)) {
affineTransform = AffineTransform.getScaleInstance(1, -1);
affineTransformOp =
new AffineTransformOp(affineTransform, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
affineTransform.translate(0, -sourceImage.getHeight());
target = affineTransformOp.filter(sourceImage, target);
}
return target;
}
throw new NullPointerException(E_OBJECT_WAS_NULL);
}
protected void makeSheet() {
if (false) { // TODO deal with sheets
// sprite sheet is East 0, clockwise
// direction sheet is North 0, clockwise
/*int sheetIndex = (dir.ordinal() - Direction.EAST.ordinal() + 8) % 8;
int soldierHeight = image.getHeight();
if (!isAttacking()) {
sheetIndex += 8;
}
image = image.getSubimage(sheetIndex * soldierHeight, 0,
soldierHeight, soldierHeight);
*/
} else {
sprites = new BufferedImage[8];
sprites[0] = image;
for (int i = 1; i < 8; i++) {
sprites[i] =
new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB);
double rotationRequired = Math.toRadians(i * 45);
double locationX = image.getWidth() / 2;
double locationY = image.getHeight() / 2;
AffineTransform tx =
AffineTransform.getRotateInstance(rotationRequired, locationX, locationY);
AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
// Drawing the rotated image at the required drawing locations
sprites[i].createGraphics().drawImage(op.filter(image, null), 0, 0, null);
}
}
}
