216 public Object getProperty(String name, ImageObserver observer) {
217 if (name == null) {
218 throw new NullPointerException("null property name is not allowed");
219 }
220 return java.awt.Image.UndefinedProperty;
221 }
222
223 public int getWidth(ImageObserver observer) {
224 return getWidth();
225 }
226
227 public int getHeight(ImageObserver observer) {
228 return getHeight();
229 }
230
231 /**
232 * This method creates a BufferedImage intended for use as a "snapshot"
233 * or a backup surface.
234 */
235 public BufferedImage getBackupImage() {
236 return graphicsConfig.createCompatibleImage(getWidth(), getHeight(),
237 getTransparency());
238 }
239
240 public BufferedImage getSnapshot() {
241 BufferedImage bi = getBackupImage();
242 Graphics2D g = bi.createGraphics();
243 g.setComposite(AlphaComposite.Src);
244 g.drawImage(this, 0, 0, null);
245 g.dispose();
246 return bi;
247 }
248
249 public int validate(GraphicsConfiguration gc) {
250 return volSurfaceManager.validate(gc);
251 }
252
253 public boolean contentsLost() {
254 return volSurfaceManager.contentsLost();
255 }
256
257 public ImageCapabilities getCapabilities() {
|
216 public Object getProperty(String name, ImageObserver observer) {
217 if (name == null) {
218 throw new NullPointerException("null property name is not allowed");
219 }
220 return java.awt.Image.UndefinedProperty;
221 }
222
223 public int getWidth(ImageObserver observer) {
224 return getWidth();
225 }
226
227 public int getHeight(ImageObserver observer) {
228 return getHeight();
229 }
230
231 /**
232 * This method creates a BufferedImage intended for use as a "snapshot"
233 * or a backup surface.
234 */
235 public BufferedImage getBackupImage() {
236 return getBackupImage(1, 1);
237 }
238
239 /**
240 * This method creates a BufferedImage intended for use as a "snapshot"
241 * or a backup surface with the given horizontal and vertical scale factors.
242 */
243 public BufferedImage getBackupImage(double scaleX, double scaleY) {
244 int w = (int) Math.ceil(getWidth() * scaleX);
245 int h = (int) Math.ceil(getHeight() * scaleY);
246 return graphicsConfig.createCompatibleImage(w, h, getTransparency());
247 }
248
249 public BufferedImage getSnapshot() {
250 BufferedImage bi = getBackupImage();
251 Graphics2D g = bi.createGraphics();
252 g.setComposite(AlphaComposite.Src);
253 g.drawImage(this, 0, 0, null);
254 g.dispose();
255 return bi;
256 }
257
258 public int validate(GraphicsConfiguration gc) {
259 return volSurfaceManager.validate(gc);
260 }
261
262 public boolean contentsLost() {
263 return volSurfaceManager.contentsLost();
264 }
265
266 public ImageCapabilities getCapabilities() {
|