Cross Reference: /openjdk7/jdk/src/share/classes/java/awt/geom/Line2D.java

Lines Matching refs:y1
68         public float y1;
94          * @param y1 the Y coordinate of the start point
99         public Float(float x1, float y1, float x2, float y2) {
100             setLine(x1, y1, x2, y2);
127             return (double) y1;
135             return new Point2D.Float(x1, y1);
166         public void setLine(double x1, double y1, double x2, double y2) {
168             this.y1 = (float) y1;
177          * @param y1 the Y coordinate of the start point
182         public void setLine(float x1, float y1, float x2, float y2) {
184             this.y1 = y1;
202             if (y1 < y2) {
203                 y = y1;
204                 h = y2 - y1;
207                 h = y1 - y2;
235         public double y1;
262          * @param y1 the Y coordinate of the start point
267         public Double(double x1, double y1, double x2, double y2) {
268             setLine(x1, y1, x2, y2);
295             return y1;
303             return new Point2D.Double(x1, y1);
334         public void setLine(double x1, double y1, double x2, double y2) {
336             this.y1 = y1;
354             if (y1 < y2) {
355                 y = y1;
356                 h = y2 - y1;
359                 h = y1 - y2;
434      * @param y1 the Y coordinate of the start point
439     public abstract void setLine(double x1, double y1, double x2, double y2);
465      * {@code (x1,y1)} to {@code (x2,y2)}.
468      * first end point, {@code (x1,y1)}, in order to point at the
484      * lies "beyond {@code (x1,y1)}" or 1 if the point lies
489      * @param y1 the Y coordinate of the start point of the
504     public static int relativeCCW(double x1, double y1,
509         y2 -= y1;
511         py -= y1;
524                 // px and py need to have (x2 - x1) or (y2 - y1) subtracted
578      * Tests if the line segment from {@code (x1,y1)} to
584      * @param y1 the Y coordinate of the start point of the first
603     public static boolean linesIntersect(double x1, double y1,
608         return ((relativeCCW(x1, y1, x2, y2, x3, y3) *
609                  relativeCCW(x1, y1, x2, y2, x4, y4) <= 0)
610                 && (relativeCCW(x3, y3, x4, y4, x1, y1) *
615      * Tests if the line segment from {@code (x1,y1)} to
620      * @param y1 the Y coordinate of the start point of the
630     public boolean intersectsLine(double x1, double y1, double x2, double y2) {
631         return linesIntersect(x1, y1, x2, y2,
657      * @param y1 the Y coordinate of the start point of the
672     public static double ptSegDistSq(double x1, double y1,
676         // Adjust vectors relative to x1,y1
677         // x2,y2 becomes relative vector from x1,y1 to end of segment
679         y2 -= y1;
680         // px,py becomes relative vector from x1,y1 to test point
682         py -= y1;
686             // px,py is on the side of x1,y1 away from x2,y2
692             // x2,y2 are already the negative of x1,y1=>x2,y2
700                 // px,py is on the side of x2,y2 away from x1,y1
705                 // px,py is between x1,y1 and x2,y2
707                 // projected on the x2,y2=>x1,y1 vector times the
708                 // length of the x2,y2=>x1,y1 vector
732      * @param y1 the Y coordinate of the start point of the
747     public static double ptSegDist(double x1, double y1,
751         return Math.sqrt(ptSegDistSq(x1, y1, x2, y2, px, py));
842      * @param y1 the Y coordinate of the start point of the specified line
854     public static double ptLineDistSq(double x1, double y1,
858         // Adjust vectors relative to x1,y1
859         // x2,y2 becomes relative vector from x1,y1 to end of segment
861         y2 -= y1;
862         // px,py becomes relative vector from x1,y1 to test point
864         py -= y1;
867         // projected on the x1,y1=>x2,y2 vector times the
868         // length of the x1,y1=>x2,y2 vector
887      * @param y1 the Y coordinate of the start point of the specified line
899     public static double ptLineDist(double x1, double y1,
903         return Math.sqrt(ptLineDistSq(x1, y1, x2, y2, px, py));