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modules/javafx.graphics/src/main/java/com/sun/prism/BasicStroke.java

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  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.prism;
  27 
  28 import com.sun.javafx.geom.Area;
  29 import com.sun.javafx.geom.GeneralShapePair;
  30 import com.sun.javafx.geom.Path2D;
  31 import com.sun.javafx.geom.PathConsumer2D;
  32 import com.sun.javafx.geom.PathIterator;
  33 import com.sun.javafx.geom.RoundRectangle2D;
  34 import com.sun.javafx.geom.Shape;
  35 import com.sun.javafx.geom.ShapePair;
  36 import com.sun.javafx.geom.transform.BaseTransform;
  37 import com.sun.openpisces.Dasher;
  38 import com.sun.openpisces.Stroker;
  39 import com.sun.prism.impl.shape.OpenPiscesPrismUtils;
  40 
  41 public final class BasicStroke {
  42     public static final int CAP_BUTT = Stroker.CAP_BUTT;
  43     public static final int CAP_ROUND = Stroker.CAP_ROUND;
  44     public static final int CAP_SQUARE = Stroker.CAP_SQUARE;
  45 
  46     public static final int JOIN_BEVEL = Stroker.JOIN_BEVEL;
  47     public static final int JOIN_MITER = Stroker.JOIN_MITER;
  48     public static final int JOIN_ROUND = Stroker.JOIN_ROUND;







  49 
  50     public static final int TYPE_CENTERED = 0;
  51     public static final int TYPE_INNER = 1;
  52     public static final int TYPE_OUTER = 2;
  53 
  54     float width;
  55     int type;
  56     int cap;
  57     int join;
  58     float miterLimit;
  59     float dash[];
  60     float dashPhase;
  61 
  62     public BasicStroke() {
  63         set(TYPE_CENTERED, 1.0f, CAP_SQUARE, JOIN_MITER, 10f);
  64     }
  65 
  66     public BasicStroke(float width, int cap, int join, float miterLimit) {
  67         set(TYPE_CENTERED, width, cap, join, miterLimit);
  68     }


 662             oy = -oy;
 663         }
 664 
 665         computeMiter((x0 - pdx) + pox, (y0 - pdy) + poy, x0 + pox, y0 + poy,
 666                      (x0 + dx) + ox, (y0 + dy) + oy, x0 + ox, y0 + oy,
 667                      tmpMiter, 0);
 668         float lenSq = (tmpMiter[0] - x0) * (tmpMiter[0] - x0) + (tmpMiter[1] - y0) * (tmpMiter[1] - y0);
 669 
 670         float miterLimitWidth = miterLimit * w;
 671         if (lenSq < miterLimitWidth * miterLimitWidth) {
 672             accumulateOrdered(tmpMiter[0], tmpMiter[1], tmpMiter[0], tmpMiter[1], bbox);
 673         }
 674     }
 675 
 676 
 677     private void accumulateBevel(float x0, float y0, float pox, float poy, float ox, float oy, float[] bbox) {
 678         accumulate(x0 + pox, y0 + poy, x0 - pox, y0 - poy, bbox);
 679         accumulate(x0 + ox, y0 + oy, x0 - ox, y0 - oy, bbox);
 680     }
 681 
 682     public Shape createCenteredStrokedShape(Shape s) {
 683         Path2D p2d = new Path2D(Path2D.WIND_NON_ZERO);
 684         float lw = (type == TYPE_CENTERED) ? width : width * 2.0f;
 685         PathConsumer2D pc2d =
 686             new Stroker(p2d, lw, cap, join, miterLimit);
 687         if (dash != null) {
 688             pc2d = new Dasher(pc2d, dash, dashPhase);
 689         }
 690         OpenPiscesPrismUtils.feedConsumer(s.getPathIterator(null), pc2d);
 691         return p2d;
 692     }
 693 
 694     static final float SQRT_2 = (float) Math.sqrt(2);
 695 
 696     Shape strokeRoundRectangle(RoundRectangle2D rr) {
 697         if (rr.width < 0 || rr.height < 0) {
 698             return new Path2D();
 699         }
 700         if (isDashed()) {
 701             return null;
 702         }
 703         int j;
 704         float aw = rr.arcWidth;
 705         float ah = rr.arcHeight;
 706         if (aw <= 0f || ah <= 0f) {
 707             aw = ah = 0f;
 708             if (type == TYPE_INNER) {
 709                 j = JOIN_MITER;
 710             } else {
 711                 j = this.join;




  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.prism;
  27 
  28 import com.sun.javafx.geom.Area;
  29 import com.sun.javafx.geom.GeneralShapePair;
  30 import com.sun.javafx.geom.Path2D;

  31 import com.sun.javafx.geom.PathIterator;
  32 import com.sun.javafx.geom.RoundRectangle2D;
  33 import com.sun.javafx.geom.Shape;
  34 import com.sun.javafx.geom.ShapePair;
  35 import com.sun.javafx.geom.transform.BaseTransform;
  36 import com.sun.prism.impl.shape.ShapeUtil;


  37 
  38 public final class BasicStroke {
  39 
  40     /** Constant value for end cap style. */
  41     public static final int CAP_BUTT = 0;
  42     /** Constant value for end cap style. */
  43     public static final int CAP_ROUND = 1;
  44     /** Constant value for end cap style. */
  45     public static final int CAP_SQUARE = 2;
  46 
  47     /** Constant value for join style. */
  48     public static final int JOIN_MITER = 0;
  49     /** Constant value for join style. */
  50     public static final int JOIN_ROUND = 1;
  51     /** Constant value for join style. */
  52     public static final int JOIN_BEVEL = 2;
  53 
  54     public static final int TYPE_CENTERED = 0;
  55     public static final int TYPE_INNER = 1;
  56     public static final int TYPE_OUTER = 2;
  57 
  58     float width;
  59     int type;
  60     int cap;
  61     int join;
  62     float miterLimit;
  63     float dash[];
  64     float dashPhase;
  65 
  66     public BasicStroke() {
  67         set(TYPE_CENTERED, 1.0f, CAP_SQUARE, JOIN_MITER, 10f);
  68     }
  69 
  70     public BasicStroke(float width, int cap, int join, float miterLimit) {
  71         set(TYPE_CENTERED, width, cap, join, miterLimit);
  72     }


 666             oy = -oy;
 667         }
 668 
 669         computeMiter((x0 - pdx) + pox, (y0 - pdy) + poy, x0 + pox, y0 + poy,
 670                      (x0 + dx) + ox, (y0 + dy) + oy, x0 + ox, y0 + oy,
 671                      tmpMiter, 0);
 672         float lenSq = (tmpMiter[0] - x0) * (tmpMiter[0] - x0) + (tmpMiter[1] - y0) * (tmpMiter[1] - y0);
 673 
 674         float miterLimitWidth = miterLimit * w;
 675         if (lenSq < miterLimitWidth * miterLimitWidth) {
 676             accumulateOrdered(tmpMiter[0], tmpMiter[1], tmpMiter[0], tmpMiter[1], bbox);
 677         }
 678     }
 679 
 680 
 681     private void accumulateBevel(float x0, float y0, float pox, float poy, float ox, float oy, float[] bbox) {
 682         accumulate(x0 + pox, y0 + poy, x0 - pox, y0 - poy, bbox);
 683         accumulate(x0 + ox, y0 + oy, x0 - ox, y0 - oy, bbox);
 684     }
 685 
 686     public Shape createCenteredStrokedShape(final Shape s) {
 687         return ShapeUtil.createCenteredStrokedShape(s, this);








 688     }
 689 
 690     static final float SQRT_2 = (float) Math.sqrt(2);
 691 
 692     Shape strokeRoundRectangle(RoundRectangle2D rr) {
 693         if (rr.width < 0 || rr.height < 0) {
 694             return new Path2D();
 695         }
 696         if (isDashed()) {
 697             return null;
 698         }
 699         int j;
 700         float aw = rr.arcWidth;
 701         float ah = rr.arcHeight;
 702         if (aw <= 0f || ah <= 0f) {
 703             aw = ah = 0f;
 704             if (type == TYPE_INNER) {
 705                 j = JOIN_MITER;
 706             } else {
 707                 j = this.join;


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