55 circle.setCenterY(100.0f);
56 circle.setRadius(50.0f);
57 }
58 </PRE>
59 * @since JavaFX 2.0
60 */
61 public class Circle extends Shape {
62 static {
63 CircleHelper.setCircleAccessor(new CircleHelper.CircleAccessor() {
64 @Override
65 public NGNode doCreatePeer(Node node) {
66 return ((Circle) node).doCreatePeer();
67 }
68
69 @Override
70 public void doUpdatePeer(Node node) {
71 ((Circle) node).doUpdatePeer();
72 }
73
74 @Override
75 public com.sun.javafx.geom.Shape doConfigShape(Shape shape) {
76 return ((Circle) shape).doConfigShape();
77 }
78 });
79 }
80
81 private final Ellipse2D shape = new Ellipse2D();
82
83 {
84 // To initialize the class helper at the begining each constructor of this class
85 CircleHelper.initHelper(this);
86 }
87
88 /**
89 * Creates a new instance of Circle with a specified radius.
90 * @param radius the radius of the circle in pixels
91 */
92 public Circle(double radius) {
93 setRadius(radius);
94 }
144
145
146
147 public final void setCenterX(double value) {
148 if (centerX != null || value != 0.0) {
149 centerXProperty().set(value);
150 }
151 }
152
153 public final double getCenterX() {
154 return centerX == null ? 0.0 : centerX.get();
155 }
156
157 public final DoubleProperty centerXProperty() {
158 if (centerX == null) {
159 centerX = new DoublePropertyBase(0.0) {
160
161 @Override
162 public void invalidated() {
163 NodeHelper.markDirty(Circle.this, DirtyBits.NODE_GEOMETRY);
164 impl_geomChanged();
165 }
166
167 @Override
168 public Object getBean() {
169 return Circle.this;
170 }
171
172 @Override
173 public String getName() {
174 return "centerX";
175 }
176 };
177 }
178 return centerX;
179 }
180
181 /**
182 * Defines the vertical position of the center of the circle in pixels.
183 *
184 * @defaultValue 0.0
187
188
189
190 public final void setCenterY(double value) {
191 if (centerY != null || value != 0.0) {
192 centerYProperty().set(value);
193 }
194 }
195
196 public final double getCenterY() {
197 return centerY == null ? 0.0 : centerY.get();
198 }
199
200 public final DoubleProperty centerYProperty() {
201 if (centerY == null) {
202 centerY = new DoublePropertyBase(0.0) {
203
204 @Override
205 public void invalidated() {
206 NodeHelper.markDirty(Circle.this, DirtyBits.NODE_GEOMETRY);
207 impl_geomChanged();
208 }
209
210 @Override
211 public Object getBean() {
212 return Circle.this;
213 }
214
215 @Override
216 public String getName() {
217 return "centerY";
218 }
219 };
220 }
221 return centerY;
222 }
223
224 /**
225 * Defines the radius of the circle in pixels.
226 *
227 * @defaultValue 0.0
228 */
229 private final DoubleProperty radius = new DoublePropertyBase() {
230
231 @Override
232 public void invalidated() {
233 NodeHelper.markDirty(Circle.this, DirtyBits.NODE_GEOMETRY);
234 impl_geomChanged();
235 }
236
237 @Override
238 public Object getBean() {
239 return Circle.this;
240 }
241
242 @Override
243 public String getName() {
244 return "radius";
245 }
246 };
247
248 public final void setRadius(double value) {
249 radius.set(value);
250 }
251
252 public final double getRadius() {
253 return radius.get();
254 }
267 // and also because it means we might have to pad the bounds to account
268 // for this rare and unpredictable circumstance.
269 // To avoid the problem, we set the Join style to BEVEL for any
270 // circle. The BEVEL join style is more predictable for
271 // anomalous angles and is the simplest join style to compute in
272 // the stroking code.
273 // These problems do not necessarily happen for circles which have a
274 // fixed and balanced aspect ratio, but why waste time computing a
275 // conversion of a MITER join style when it has no advantage for
276 // circles and technically requires more computation?
277 return StrokeLineJoin.BEVEL;
278 }
279
280 /*
281 * Note: This method MUST only be called via its accessor method.
282 */
283 private NGNode doCreatePeer() {
284 return new NGCircle();
285 }
286
287 /**
288 * @treatAsPrivate implementation detail
289 * @deprecated This is an internal API that is not intended for use and will be removed in the next version
290 */
291 @Deprecated
292 @Override public BaseBounds impl_computeGeomBounds(BaseBounds bounds, BaseTransform tx) {
293 // if there is no fill or stroke, then there are no bounds. The bounds
294 // must be marked empty in this case to distinguish it from 0,0,0,0
295 // which would actually contribute to the bounds of a group.
296 if (getMode() == NGShape.Mode.EMPTY) {
297 return bounds.makeEmpty();
298 }
299
300 final double cX = getCenterX();
301 final double cY = getCenterY();
302
303 if ((tx.getType() & ~(BaseTransform.TYPE_MASK_ROTATION | BaseTransform.TYPE_TRANSLATION)) == 0) {
304
305 double tCX = cX * tx.getMxx() + cY * tx.getMxy() + tx.getMxt();
306 double tCY = cX * tx.getMyx() + cY * tx.getMyy() + tx.getMyt();
307 double r = getRadius();
308
309 if (getMode() != NGShape.Mode.FILL && getStrokeType() != StrokeType.INSIDE) {
310 double upad = getStrokeWidth();
311 if (getStrokeType() == StrokeType.CENTERED) {
312 upad /= 2.0f;
|
55 circle.setCenterY(100.0f);
56 circle.setRadius(50.0f);
57 }
58 </PRE>
59 * @since JavaFX 2.0
60 */
61 public class Circle extends Shape {
62 static {
63 CircleHelper.setCircleAccessor(new CircleHelper.CircleAccessor() {
64 @Override
65 public NGNode doCreatePeer(Node node) {
66 return ((Circle) node).doCreatePeer();
67 }
68
69 @Override
70 public void doUpdatePeer(Node node) {
71 ((Circle) node).doUpdatePeer();
72 }
73
74 @Override
75 public BaseBounds doComputeGeomBounds(Node node,
76 BaseBounds bounds, BaseTransform tx) {
77 return ((Circle) node).doComputeGeomBounds(bounds, tx);
78 }
79
80 @Override
81 public com.sun.javafx.geom.Shape doConfigShape(Shape shape) {
82 return ((Circle) shape).doConfigShape();
83 }
84 });
85 }
86
87 private final Ellipse2D shape = new Ellipse2D();
88
89 {
90 // To initialize the class helper at the begining each constructor of this class
91 CircleHelper.initHelper(this);
92 }
93
94 /**
95 * Creates a new instance of Circle with a specified radius.
96 * @param radius the radius of the circle in pixels
97 */
98 public Circle(double radius) {
99 setRadius(radius);
100 }
150
151
152
153 public final void setCenterX(double value) {
154 if (centerX != null || value != 0.0) {
155 centerXProperty().set(value);
156 }
157 }
158
159 public final double getCenterX() {
160 return centerX == null ? 0.0 : centerX.get();
161 }
162
163 public final DoubleProperty centerXProperty() {
164 if (centerX == null) {
165 centerX = new DoublePropertyBase(0.0) {
166
167 @Override
168 public void invalidated() {
169 NodeHelper.markDirty(Circle.this, DirtyBits.NODE_GEOMETRY);
170 NodeHelper.geomChanged(Circle.this);
171 }
172
173 @Override
174 public Object getBean() {
175 return Circle.this;
176 }
177
178 @Override
179 public String getName() {
180 return "centerX";
181 }
182 };
183 }
184 return centerX;
185 }
186
187 /**
188 * Defines the vertical position of the center of the circle in pixels.
189 *
190 * @defaultValue 0.0
193
194
195
196 public final void setCenterY(double value) {
197 if (centerY != null || value != 0.0) {
198 centerYProperty().set(value);
199 }
200 }
201
202 public final double getCenterY() {
203 return centerY == null ? 0.0 : centerY.get();
204 }
205
206 public final DoubleProperty centerYProperty() {
207 if (centerY == null) {
208 centerY = new DoublePropertyBase(0.0) {
209
210 @Override
211 public void invalidated() {
212 NodeHelper.markDirty(Circle.this, DirtyBits.NODE_GEOMETRY);
213 NodeHelper.geomChanged(Circle.this);
214 }
215
216 @Override
217 public Object getBean() {
218 return Circle.this;
219 }
220
221 @Override
222 public String getName() {
223 return "centerY";
224 }
225 };
226 }
227 return centerY;
228 }
229
230 /**
231 * Defines the radius of the circle in pixels.
232 *
233 * @defaultValue 0.0
234 */
235 private final DoubleProperty radius = new DoublePropertyBase() {
236
237 @Override
238 public void invalidated() {
239 NodeHelper.markDirty(Circle.this, DirtyBits.NODE_GEOMETRY);
240 NodeHelper.geomChanged(Circle.this);
241 }
242
243 @Override
244 public Object getBean() {
245 return Circle.this;
246 }
247
248 @Override
249 public String getName() {
250 return "radius";
251 }
252 };
253
254 public final void setRadius(double value) {
255 radius.set(value);
256 }
257
258 public final double getRadius() {
259 return radius.get();
260 }
273 // and also because it means we might have to pad the bounds to account
274 // for this rare and unpredictable circumstance.
275 // To avoid the problem, we set the Join style to BEVEL for any
276 // circle. The BEVEL join style is more predictable for
277 // anomalous angles and is the simplest join style to compute in
278 // the stroking code.
279 // These problems do not necessarily happen for circles which have a
280 // fixed and balanced aspect ratio, but why waste time computing a
281 // conversion of a MITER join style when it has no advantage for
282 // circles and technically requires more computation?
283 return StrokeLineJoin.BEVEL;
284 }
285
286 /*
287 * Note: This method MUST only be called via its accessor method.
288 */
289 private NGNode doCreatePeer() {
290 return new NGCircle();
291 }
292
293 /*
294 * Note: This method MUST only be called via its accessor method.
295 */
296 private BaseBounds doComputeGeomBounds(BaseBounds bounds, BaseTransform tx) {
297 // if there is no fill or stroke, then there are no bounds. The bounds
298 // must be marked empty in this case to distinguish it from 0,0,0,0
299 // which would actually contribute to the bounds of a group.
300 if (getMode() == NGShape.Mode.EMPTY) {
301 return bounds.makeEmpty();
302 }
303
304 final double cX = getCenterX();
305 final double cY = getCenterY();
306
307 if ((tx.getType() & ~(BaseTransform.TYPE_MASK_ROTATION | BaseTransform.TYPE_TRANSLATION)) == 0) {
308
309 double tCX = cX * tx.getMxx() + cY * tx.getMxy() + tx.getMxt();
310 double tCY = cX * tx.getMyx() + cY * tx.getMyy() + tx.getMyt();
311 double r = getRadius();
312
313 if (getMode() != NGShape.Mode.FILL && getStrokeType() != StrokeType.INSIDE) {
314 double upad = getStrokeWidth();
315 if (getStrokeType() == StrokeType.CENTERED) {
316 upad /= 2.0f;
|