diff options
Diffstat (limited to 'libjava/classpath/java/awt/BasicStroke.java')
| -rw-r--r-- | libjava/classpath/java/awt/BasicStroke.java | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/libjava/classpath/java/awt/BasicStroke.java b/libjava/classpath/java/awt/BasicStroke.java index ef6a7f0b7b5..eac69d9869f 100644 --- a/libjava/classpath/java/awt/BasicStroke.java +++ b/libjava/classpath/java/awt/BasicStroke.java @@ -1,4 +1,4 @@ -/* BasicStroke.java -- +/* BasicStroke.java -- Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -53,7 +53,7 @@ import java.util.Arrays; * A general purpose {@link Stroke} implementation that can represent a wide * variety of line styles for use with subclasses of {@link Graphics2D}. * <p> - * The line cap and join styles can be set using the options illustrated + * The line cap and join styles can be set using the options illustrated * here: * <p> * <img src="doc-files/capjoin.png" width="350" height="180" @@ -64,37 +64,37 @@ import java.util.Arrays; */ public class BasicStroke implements Stroke { - /** + /** * Indicates a mitered line join style. See the class overview for an * illustration. */ public static final int JOIN_MITER = 0; - - /** + + /** * Indicates a rounded line join style. See the class overview for an * illustration. */ public static final int JOIN_ROUND = 1; - - /** + + /** * Indicates a bevelled line join style. See the class overview for an * illustration. */ public static final int JOIN_BEVEL = 2; - /** + /** * Indicates a flat line cap style. See the class overview for an * illustration. */ public static final int CAP_BUTT = 0; - - /** + + /** * Indicates a rounded line cap style. See the class overview for an * illustration. */ public static final int CAP_ROUND = 1; - - /** + + /** * Indicates a square line cap style. See the class overview for an * illustration. */ @@ -102,19 +102,19 @@ public class BasicStroke implements Stroke /** The stroke width. */ private final float width; - + /** The line cap style. */ private final int cap; - + /** The line join style. */ private final int join; - + /** The miter limit. */ private final float limit; - + /** The dash array. */ private final float[] dash; - + /** The dash phase. */ private final float phase; @@ -125,9 +125,9 @@ public class BasicStroke implements Stroke * Creates a new <code>BasicStroke</code> instance with the given attributes. * * @param width the line width (>= 0.0f). - * @param cap the line cap style (one of {@link #CAP_BUTT}, + * @param cap the line cap style (one of {@link #CAP_BUTT}, * {@link #CAP_ROUND} or {@link #CAP_SQUARE}). - * @param join the line join style (one of {@link #JOIN_ROUND}, + * @param join the line join style (one of {@link #JOIN_ROUND}, * {@link #JOIN_BEVEL}, or {@link #JOIN_MITER}). * @param miterlimit the limit to trim the miter join. The miterlimit must be * greater than or equal to 1.0f. @@ -145,36 +145,36 @@ public class BasicStroke implements Stroke throw new IllegalArgumentException("width " + width + " < 0"); else if (cap < CAP_BUTT || cap > CAP_SQUARE) throw new IllegalArgumentException("cap " + cap + " out of range [" - + CAP_BUTT + ".." + CAP_SQUARE + "]"); + + CAP_BUTT + ".." + CAP_SQUARE + "]"); else if (miterlimit < 1.0f && join == JOIN_MITER) throw new IllegalArgumentException("miterlimit " + miterlimit - + " < 1.0f while join == JOIN_MITER"); + + " < 1.0f while join == JOIN_MITER"); else if (join < JOIN_MITER || join > JOIN_BEVEL) throw new IllegalArgumentException("join " + join + " out of range [" - + JOIN_MITER + ".." + JOIN_BEVEL - + "]"); + + JOIN_MITER + ".." + JOIN_BEVEL + + "]"); else if (dashPhase < 0.0f && dash != null) throw new IllegalArgumentException("dashPhase " + dashPhase - + " < 0.0f while dash != null"); + + " < 0.0f while dash != null"); else if (dash != null) if (dash.length == 0) - throw new IllegalArgumentException("dash.length is 0"); + throw new IllegalArgumentException("dash.length is 0"); else - { - boolean allZero = true; - - for ( int i = 0; i < dash.length; ++i) - { - if (dash[i] != 0.0f) - { - allZero = false; - break; - } - } - - if (allZero) - throw new IllegalArgumentException("all dashes are 0.0f"); - } + { + boolean allZero = true; + + for ( int i = 0; i < dash.length; ++i) + { + if (dash[i] != 0.0f) + { + allZero = false; + break; + } + } + + if (allZero) + throw new IllegalArgumentException("all dashes are 0.0f"); + } this.width = width; this.cap = cap; @@ -188,13 +188,13 @@ public class BasicStroke implements Stroke * Creates a new <code>BasicStroke</code> instance with the given attributes. * * @param width the line width (>= 0.0f). - * @param cap the line cap style (one of {@link #CAP_BUTT}, + * @param cap the line cap style (one of {@link #CAP_BUTT}, * {@link #CAP_ROUND} or {@link #CAP_SQUARE}). - * @param join the line join style (one of {@link #JOIN_ROUND}, + * @param join the line join style (one of {@link #JOIN_ROUND}, * {@link #JOIN_BEVEL}, or {@link #JOIN_MITER}). * @param miterlimit the limit to trim the miter join. The miterlimit must be * greater than or equal to 1.0f. - * + * * @throws IllegalArgumentException If one input parameter doesn't meet * its needs. */ @@ -208,11 +208,11 @@ public class BasicStroke implements Stroke * The miter limit defaults to <code>10.0</code>. * * @param width the line width (>= 0.0f). - * @param cap the line cap style (one of {@link #CAP_BUTT}, + * @param cap the line cap style (one of {@link #CAP_BUTT}, * {@link #CAP_ROUND} or {@link #CAP_SQUARE}). - * @param join the line join style (one of {@link #JOIN_ROUND}, + * @param join the line join style (one of {@link #JOIN_ROUND}, * {@link #JOIN_BEVEL}, or {@link #JOIN_MITER}). - * + * * @throws IllegalArgumentException If one input parameter doesn't meet * its needs. */ @@ -229,9 +229,9 @@ public class BasicStroke implements Stroke * <li>line join style: {@link #JOIN_MITER};</li> * <li>miter limit: <code>10.0f</code>. * </ul> - * + * * @param width the line width (>= 0.0f). - * + * * @throws IllegalArgumentException If <code>width</code> is negative. */ public BasicStroke(float width) @@ -252,11 +252,11 @@ public class BasicStroke implements Stroke { this(1, CAP_SQUARE, JOIN_MITER, 10, null, 0); } - + /** * Creates a shape representing the stroked outline of the given shape. * THIS METHOD IS NOT YET IMPLEMENTED. - * + * * @param s the shape. */ public Shape createStrokedShape(Shape s) @@ -271,7 +271,7 @@ public class BasicStroke implements Stroke /** * Returns the line width. - * + * * @return The line width. */ public float getLineWidth() @@ -282,7 +282,7 @@ public class BasicStroke implements Stroke /** * Returns a code indicating the line cap style (one of {@link #CAP_BUTT}, * {@link #CAP_ROUND}, {@link #CAP_SQUARE}). - * + * * @return A code indicating the line cap style. */ public int getEndCap() @@ -293,7 +293,7 @@ public class BasicStroke implements Stroke /** * Returns a code indicating the line join style (one of {@link #JOIN_BEVEL}, * {@link #JOIN_MITER} or {@link #JOIN_ROUND}). - * + * * @return A code indicating the line join style. */ public int getLineJoin() @@ -303,7 +303,7 @@ public class BasicStroke implements Stroke /** * Returns the miter limit. - * + * * @return The miter limit. */ public float getMiterLimit() @@ -312,10 +312,10 @@ public class BasicStroke implements Stroke } /** - * Returns the dash array, which defines the length of alternate opaque and - * transparent sections in lines drawn with this stroke. If + * Returns the dash array, which defines the length of alternate opaque and + * transparent sections in lines drawn with this stroke. If * <code>null</code>, a continuous line will be drawn. - * + * * @return The dash array (possibly <code>null</code>). */ public float[] getDashArray() @@ -325,9 +325,9 @@ public class BasicStroke implements Stroke /** * Returns the dash phase for the stroke. This is the offset from the start - * of a path at which the pattern defined by {@link #getDashArray()} is + * of a path at which the pattern defined by {@link #getDashArray()} is * rendered. - * + * * @return The dash phase. */ public float getDashPhase() @@ -341,7 +341,7 @@ public class BasicStroke implements Stroke * (converted to <code>int</code> first with * <code>Float.floatToIntBits()</code> if the value is a * <code>float</code>). - * + * * @return The hash code. */ public int hashCode() @@ -350,10 +350,10 @@ public class BasicStroke implements Stroke hash ^= cap; hash ^= join; hash ^= Float.floatToIntBits(limit); - + if (dash != null) for (int i = 0; i < dash.length; i++) - hash ^= Float.floatToIntBits(dash[i]); + hash ^= Float.floatToIntBits(dash[i]); hash ^= Float.floatToIntBits(phase); @@ -361,16 +361,16 @@ public class BasicStroke implements Stroke } /** - * Compares this <code>BasicStroke</code> for equality with an arbitrary + * Compares this <code>BasicStroke</code> for equality with an arbitrary * object. This method returns <code>true</code> if and only if: * <ul> * <li><code>o</code> is an instanceof <code>BasicStroke</code>;</li> * <li>this object has the same width, line cap style, line join style, * miter limit, dash array and dash phase as <code>o</code>.</li> * </ul> - * + * * @param o the object (<code>null</code> permitted). - * + * * @return <code>true</code> if this stroke is equal to <code>o</code> and * <code>false</code> otherwise. */ @@ -401,7 +401,7 @@ public class BasicStroke implements Stroke y0 = y = coords[1]; if( pathOpen ) { - capEnds(); + capEnds(); convertPath(output, start); start = end = null; pathOpen = false; @@ -425,7 +425,7 @@ public class BasicStroke implements Stroke break; case PathIterator.SEG_QUADTO: - p = (new QuadSegment(x, y, coords[0], coords[1], coords[2], + p = (new QuadSegment(x, y, coords[0], coords[1], coords[2], coords[3])).getDisplacedSegments(width/2.0); if( !pathOpen ) { @@ -549,7 +549,7 @@ public class BasicStroke implements Stroke { spanBoundary = false; } - + // Otherwise, we need to split the segment in two, as this // segment spans a dash boundry else @@ -671,23 +671,23 @@ public class BasicStroke implements Stroke else if(v instanceof QuadSegment) p.quadTo((float)((QuadSegment)v).cp.getX(), (float)((QuadSegment)v).cp.getY(), - (float)v.P2.getX(), + (float)v.P2.getX(), (float)v.P2.getY()); else if(v instanceof CubicSegment) p.curveTo((float)((CubicSegment)v).cp1.getX(), (float)((CubicSegment)v).cp1.getY(), (float)((CubicSegment)v).cp2.getX(), (float)((CubicSegment)v).cp2.getY(), - (float)v.P2.getX(), + (float)v.P2.getX(), (float)v.P2.getY()); v = v.next; } while(v != s && v != null); p.closePath(); } - + /** - * Add the segments to start and end (the inner and outer edges of the stroke) + * Add the segments to start and end (the inner and outer edges of the stroke) */ private void addSegments(Segment[] segments) { @@ -707,26 +707,26 @@ public class BasicStroke implements Stroke p = lineIntersection(p0[0],p0[1],p1[0],p1[1], p2[0],p2[1],p3[0],p3[1], false); - double det = (p1[0] - p0[0])*(p3[1] - p2[1]) - + double det = (p1[0] - p0[0])*(p3[1] - p2[1]) - (p3[0] - p2[0])*(p1[1] - p0[1]); if( det > 0 ) { - // start and segment[0] form the 'inner' part of a join, + // start and segment[0] form the 'inner' part of a join, // connect the overlapping segments joinInnerSegments(start, segments[0], p); joinOuterSegments(end, segments[1], p); } else { - // end and segment[1] form the 'inner' part + // end and segment[1] form the 'inner' part joinInnerSegments(end, segments[1], p); joinOuterSegments(start, segments[0], p); } } /** - * Make a cap between a and b segments, + * Make a cap between a and b segments, * where a-->b is the direction of iteration. */ private void capEnd(Segment a, Segment b) @@ -767,7 +767,7 @@ public class BasicStroke implements Stroke dx = (2.0/3.0)*width*dx/l; dy = (2.0/3.0)*width*dy/l; } - + c1 = new Point2D.Double(p1[0] + dx, p1[1] + dy); c2 = new Point2D.Double(b.P1.getX() + dx, b.P1.getY() + dy); a.add(new CubicSegment(a.last.P2, c1, c2, b.P1)); @@ -782,9 +782,9 @@ public class BasicStroke implements Stroke * if the intersection must be within the given segments. * @return a Point2D or null. */ - private Point2D lineIntersection(double X1, double Y1, - double X2, double Y2, - double X3, double Y3, + private Point2D lineIntersection(double X1, double Y1, + double X2, double Y2, + double X3, double Y3, double X4, double Y4, boolean infinite) { @@ -840,7 +840,7 @@ public class BasicStroke implements Stroke { a.add(new LineSegment(a.last.P2, p)); a.add(new LineSegment(p, b.P1)); - } + } else { // outside miter limit, do a bevel join. |