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.PathConsumer2D;
29 import com.sun.javafx.geom.transform.BaseTransform;
30
31 public final class TransformingPathConsumer2D {
32
33 TransformingPathConsumer2D() {
34 // used by RendererContext
35 }
36
37 // recycled PathConsumer2D instances from deltaTransformConsumer()
38 private final DeltaScaleFilter dt_DeltaScaleFilter = new DeltaScaleFilter();
39 private final DeltaTransformFilter dt_DeltaTransformFilter = new DeltaTransformFilter();
40
41 public PathConsumer2D deltaTransformConsumer(PathConsumer2D out,
42 BaseTransform at)
43 {
44 if (at == null) {
45 return out;
46 }
47 float mxx = (float) at.getMxx();
48 float mxy = (float) at.getMxy();
49 float myx = (float) at.getMyx();
50 float myy = (float) at.getMyy();
51
52 if (mxy == 0.0f && myx == 0.0f) {
53 if (mxx == 1.0f && myy == 1.0f) {
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 float mxy = (float) at.getMxy();
75 float myx = (float) at.getMyx();
76 float myy = (float) at.getMyy();
77
78 if (mxy == 0.0f && myx == 0.0f) {
79 if (mxx == 1.0f && myy == 1.0f) {
80 return out;
81 } else {
82 return iv_DeltaScaleFilter.init(out, 1.0f/mxx, 1.0f/myy);
83 }
84 } else {
85 float 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 PathConsumer2D {
96 private PathConsumer2D out;
97 private float sx, sy;
98
99 DeltaScaleFilter() {}
100
101 DeltaScaleFilter init(PathConsumer2D out,
102 float mxx, float 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(float x0, float y0) {
112 out.moveTo(x0 * sx, y0 * sy);
113 }
114
190 public void curveTo(float x1, float y1,
191 float x2, float y2,
192 float x3, float 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.PathConsumer2D;
30 import com.sun.javafx.geom.transform.BaseTransform;
31
32 public final class TransformingPathConsumer2D {
33
34 TransformingPathConsumer2D() {
35 // used by RendererContext
36 }
37
38 // recycled PathConsumer2D instance from wrapPath2d()
39 private final Path2DWrapper wp_Path2DWrapper = new Path2DWrapper();
40
41 // recycled PathConsumer2D instances from deltaTransformConsumer()
42 private final DeltaScaleFilter dt_DeltaScaleFilter = new DeltaScaleFilter();
43 private final DeltaTransformFilter dt_DeltaTransformFilter = new DeltaTransformFilter();
44
45 public PathConsumer2D wrapPath2d(Path2D p2d)
46 {
47 return wp_Path2DWrapper.init(p2d);
48 }
49
50 public PathConsumer2D deltaTransformConsumer(PathConsumer2D out,
51 BaseTransform at)
52 {
53 if (at == null) {
54 return out;
55 }
56 float mxx = (float) at.getMxx();
57 float mxy = (float) at.getMxy();
58 float myx = (float) at.getMyx();
59 float myy = (float) at.getMyy();
60
61 if (mxy == 0.0f && myx == 0.0f) {
62 if (mxx == 1.0f && myy == 1.0f) {
63 return out;
64 } else {
65 return dt_DeltaScaleFilter.init(out, mxx, myy);
66 }
67 } else {
68 return dt_DeltaTransformFilter.init(out, mxx, mxy, myx, myy);
69 }
83 float mxy = (float) at.getMxy();
84 float myx = (float) at.getMyx();
85 float myy = (float) at.getMyy();
86
87 if (mxy == 0.0f && myx == 0.0f) {
88 if (mxx == 1.0f && myy == 1.0f) {
89 return out;
90 } else {
91 return iv_DeltaScaleFilter.init(out, 1.0f/mxx, 1.0f/myy);
92 }
93 } else {
94 float det = mxx * myy - mxy * myx;
95 return iv_DeltaTransformFilter.init(out,
96 myy / det,
97 -mxy / det,
98 -myx / det,
99 mxx / det);
100 }
101 }
102
103 static final class DeltaScaleFilter implements PathConsumer2D {
104 private PathConsumer2D out;
105 private float sx, sy;
106
107 DeltaScaleFilter() {}
108
109 DeltaScaleFilter init(PathConsumer2D out,
110 float mxx, float myy)
111 {
112 this.out = out;
113 sx = mxx;
114 sy = myy;
115 return this; // fluent API
116 }
117
118 @Override
119 public void moveTo(float x0, float y0) {
120 out.moveTo(x0 * sx, y0 * sy);
121 }
122
198 public void curveTo(float x1, float y1,
199 float x2, float y2,
200 float x3, float y3)
201 {
202 out.curveTo(x1 * mxx + y1 * mxy,
203 x1 * myx + y1 * myy,
204 x2 * mxx + y2 * mxy,
205 x2 * myx + y2 * myy,
206 x3 * mxx + y3 * mxy,
207 x3 * myx + y3 * myy);
208 }
209
210 @Override
211 public void closePath() {
212 out.closePath();
213 }
214
215 @Override
216 public void pathDone() {
217 out.pathDone();
218 }
219 }
220
221 static final class Path2DWrapper implements PathConsumer2D {
222 private Path2D p2d;
223
224 Path2DWrapper() {}
225
226 Path2DWrapper init(Path2D p2d) {
227 this.p2d = p2d;
228 return this;
229 }
230
231 @Override
232 public void moveTo(float x0, float y0) {
233 p2d.moveTo(x0, y0);
234 }
235
236 @Override
237 public void lineTo(float x1, float y1) {
238 p2d.lineTo(x1, y1);
239 }
240
241 @Override
242 public void closePath() {
243 p2d.closePath();
244 }
245
246 @Override
247 public void pathDone() {}
248
249 @Override
250 public void curveTo(float x1, float y1,
251 float x2, float y2,
252 float x3, float y3)
253 {
254 p2d.curveTo(x1, y1, x2, y2, x3, y3);
255 }
256
257 @Override
258 public void quadTo(float x1, float y1, float x2, float y2) {
259 p2d.quadTo(x1, y1, x2, y2);
260 }
261 }
262 }
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