/** @see Graphics2D#drawImage(BufferedImage, BufferedImageOp, int, int) */
public void drawImage(BufferedImage img, BufferedImageOp op, int x, int y) {
BufferedImage result = img;
if (op != null) {
result = op.createCompatibleDestImage(img, img.getColorModel());
result = op.filter(img, result);
}
drawImage(result, x, y, null);
}
/**
* @see Graphics#drawImage(Image, int, int, int, int, int, int, int, int, Color, ImageObserver)
*/
public boolean drawImage(
Image img,
int dx1,
int dy1,
int dx2,
int dy2,
int sx1,
int sy1,
int sx2,
int sy2,
Color bgcolor,
ImageObserver observer) {
waitForImage(img);
double dwidth = (double) dx2 - dx1;
double dheight = (double) dy2 - dy1;
double swidth = (double) sx2 - sx1;
double sheight = (double) sy2 - sy1;
// if either width or height is 0, then there is nothing to draw
if (dwidth == 0 || dheight == 0 || swidth == 0 || sheight == 0) return true;
double scalex = dwidth / swidth;
double scaley = dheight / sheight;
double transx = sx1 * scalex;
double transy = sy1 * scaley;
AffineTransform tx = AffineTransform.getTranslateInstance(dx1 - transx, dy1 - transy);
tx.scale(scalex, scaley);
BufferedImage mask =
new BufferedImage(
img.getWidth(observer), img.getHeight(observer), BufferedImage.TYPE_BYTE_BINARY);
Graphics g = mask.getGraphics();
g.fillRect(sx1, sy1, (int) swidth, (int) sheight);
drawImage(img, mask, tx, null, observer);
g.dispose();
return true;
}
/** @see Graphics2D#drawRenderedImage(RenderedImage, AffineTransform) */
public void drawRenderedImage(RenderedImage img, AffineTransform xform) {
BufferedImage image = null;
if (img instanceof BufferedImage) {
image = (BufferedImage) img;
} else {
ColorModel cm = img.getColorModel();
int width = img.getWidth();
int height = img.getHeight();
WritableRaster raster = cm.createCompatibleWritableRaster(width, height);
boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
Hashtable properties = new Hashtable();
String[] keys = img.getPropertyNames();
if (keys != null) {
for (int i = 0; i < keys.length; i++) {
properties.put(keys[i], img.getProperty(keys[i]));
}
}
BufferedImage result = new BufferedImage(cm, raster, isAlphaPremultiplied, properties);
img.copyData(raster);
image = result;
}
drawImage(image, xform, null);
}
