8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.marlin;
27
28
29 import com.sun.javafx.geom.transform.BaseTransform;
30
31 public final class DTransformingPathConsumer2D {
32
33 DTransformingPathConsumer2D() {
34 // used by DRendererContext
35 }
36
37 // recycled DPathConsumer2D instances from deltaTransformConsumer()
38 private final DeltaScaleFilter dt_DeltaScaleFilter = new DeltaScaleFilter();
39 private final DeltaTransformFilter dt_DeltaTransformFilter = new DeltaTransformFilter();
40
41 public DPathConsumer2D deltaTransformConsumer(DPathConsumer2D out,
42 BaseTransform at)
43 {
44 if (at == null) {
45 return out;
46 }
47 double mxx = at.getMxx();
48 double mxy = at.getMxy();
49 double myx = at.getMyx();
50 double myy = at.getMyy();
51
52 if (mxy == 0.0d && myx == 0.0d) {
53 if (mxx == 1.0d && myy == 1.0d) {
54 return out;
55 } else {
56 return dt_DeltaScaleFilter.init(out, mxx, myy);
57 }
58 } else {
59 return dt_DeltaTransformFilter.init(out, mxx, mxy, myx, myy);
60 }
74 double mxy = at.getMxy();
75 double myx = at.getMyx();
76 double myy = at.getMyy();
77
78 if (mxy == 0.0d && myx == 0.0d) {
79 if (mxx == 1.0d && myy == 1.0d) {
80 return out;
81 } else {
82 return iv_DeltaScaleFilter.init(out, 1.0d/mxx, 1.0d/myy);
83 }
84 } else {
85 double det = mxx * myy - mxy * myx;
86 return iv_DeltaTransformFilter.init(out,
87 myy / det,
88 -mxy / det,
89 -myx / det,
90 mxx / det);
91 }
92 }
93
94
95 static final class DeltaScaleFilter implements DPathConsumer2D {
96 private DPathConsumer2D out;
97 private double sx, sy;
98
99 DeltaScaleFilter() {}
100
101 DeltaScaleFilter init(DPathConsumer2D out,
102 double mxx, double myy)
103 {
104 this.out = out;
105 sx = mxx;
106 sy = myy;
107 return this; // fluent API
108 }
109
110 @Override
111 public void moveTo(double x0, double y0) {
112 out.moveTo(x0 * sx, y0 * sy);
113 }
114
190 public void curveTo(double x1, double y1,
191 double x2, double y2,
192 double x3, double y3)
193 {
194 out.curveTo(x1 * mxx + y1 * mxy,
195 x1 * myx + y1 * myy,
196 x2 * mxx + y2 * mxy,
197 x2 * myx + y2 * myy,
198 x3 * mxx + y3 * mxy,
199 x3 * myx + y3 * myy);
200 }
201
202 @Override
203 public void closePath() {
204 out.closePath();
205 }
206
207 @Override
208 public void pathDone() {
209 out.pathDone();
210 }
211 }
212 }
|
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.marlin;
27
28 import com.sun.javafx.geom.Path2D;
29 import com.sun.javafx.geom.transform.BaseTransform;
30
31 public final class DTransformingPathConsumer2D {
32
33 DTransformingPathConsumer2D() {
34 // used by DRendererContext
35 }
36
37 // recycled DPathConsumer2D instance from wrapPath2d()
38 private final Path2DWrapper wp_Path2DWrapper = new Path2DWrapper();
39
40 // recycled DPathConsumer2D instances from deltaTransformConsumer()
41 private final DeltaScaleFilter dt_DeltaScaleFilter = new DeltaScaleFilter();
42 private final DeltaTransformFilter dt_DeltaTransformFilter = new DeltaTransformFilter();
43
44 public DPathConsumer2D wrapPath2D(Path2D p2d) {
45 return wp_Path2DWrapper.init(p2d);
46 }
47
48 public DPathConsumer2D deltaTransformConsumer(DPathConsumer2D out,
49 BaseTransform at)
50 {
51 if (at == null) {
52 return out;
53 }
54 double mxx = at.getMxx();
55 double mxy = at.getMxy();
56 double myx = at.getMyx();
57 double myy = at.getMyy();
58
59 if (mxy == 0.0d && myx == 0.0d) {
60 if (mxx == 1.0d && myy == 1.0d) {
61 return out;
62 } else {
63 return dt_DeltaScaleFilter.init(out, mxx, myy);
64 }
65 } else {
66 return dt_DeltaTransformFilter.init(out, mxx, mxy, myx, myy);
67 }
81 double mxy = at.getMxy();
82 double myx = at.getMyx();
83 double myy = at.getMyy();
84
85 if (mxy == 0.0d && myx == 0.0d) {
86 if (mxx == 1.0d && myy == 1.0d) {
87 return out;
88 } else {
89 return iv_DeltaScaleFilter.init(out, 1.0d/mxx, 1.0d/myy);
90 }
91 } else {
92 double det = mxx * myy - mxy * myx;
93 return iv_DeltaTransformFilter.init(out,
94 myy / det,
95 -mxy / det,
96 -myx / det,
97 mxx / det);
98 }
99 }
100
101 static final class DeltaScaleFilter implements DPathConsumer2D {
102 private DPathConsumer2D out;
103 private double sx, sy;
104
105 DeltaScaleFilter() {}
106
107 DeltaScaleFilter init(DPathConsumer2D out,
108 double mxx, double myy)
109 {
110 this.out = out;
111 sx = mxx;
112 sy = myy;
113 return this; // fluent API
114 }
115
116 @Override
117 public void moveTo(double x0, double y0) {
118 out.moveTo(x0 * sx, y0 * sy);
119 }
120
196 public void curveTo(double x1, double y1,
197 double x2, double y2,
198 double x3, double y3)
199 {
200 out.curveTo(x1 * mxx + y1 * mxy,
201 x1 * myx + y1 * myy,
202 x2 * mxx + y2 * mxy,
203 x2 * myx + y2 * myy,
204 x3 * mxx + y3 * mxy,
205 x3 * myx + y3 * myy);
206 }
207
208 @Override
209 public void closePath() {
210 out.closePath();
211 }
212
213 @Override
214 public void pathDone() {
215 out.pathDone();
216 }
217 }
218
219 static final class Path2DWrapper implements DPathConsumer2D {
220 private Path2D p2d;
221
222 Path2DWrapper() {}
223
224 Path2DWrapper init(Path2D p2d) {
225 this.p2d = p2d;
226 return this;
227 }
228
229 @Override
230 public void moveTo(double x0, double y0) {
231 p2d.moveTo((float)x0, (float)y0);
232 }
233
234 @Override
235 public void lineTo(double x1, double y1) {
236 p2d.lineTo((float)x1, (float)y1);
237 }
238
239 @Override
240 public void closePath() {
241 p2d.closePath();
242 }
243
244 @Override
245 public void pathDone() {}
246
247 @Override
248 public void curveTo(double x1, double y1,
249 double x2, double y2,
250 double x3, double y3)
251 {
252 p2d.curveTo((float)x1, (float)y1, (float)x2, (float)y2,
253 (float)x3, (float)y3);
254 }
255
256 @Override
257 public void quadTo(double x1, double y1, double x2, double y2) {
258 p2d.quadTo((float)x1, (float)y1, (float)x2, (float)y2);
259 }
260 }
261 }
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