List of usage examples for java.awt.geom PathIterator isDone
public boolean isDone();
From source file:org.eclipse.birt.chart.device.svg.SVGGraphics2D.java
protected Element createShape(Shape shape) { PathIterator pathIter = shape.getPathIterator(null); StringBuffer pathStr = new StringBuffer(); while (!pathIter.isDone()) { float[] points = new float[6]; int TYPE = pathIter.currentSegment(points); switch (TYPE) { case PathIterator.SEG_CLOSE: pathStr.append(" Z"); //$NON-NLS-1$ break; case PathIterator.SEG_LINETO: pathStr.append(" L").append(toString(points, 2, ' ')); //$NON-NLS-1$ break; case PathIterator.SEG_QUADTO: pathStr.append(" Q").append(toString(points, 4, ' ')); //$NON-NLS-1$ break; case PathIterator.SEG_CUBICTO: pathStr.append(" C").append(toString(points, 6, ' ')); //$NON-NLS-1$ break; case PathIterator.SEG_MOVETO: pathStr.append(" M").append(toString(points, 2, ' ')); //$NON-NLS-1$ break; }//from w ww. j a va 2s . c o m pathIter.next(); } Element elem = dom.createElement("path"); //$NON-NLS-1$ elem.setAttribute("d", pathStr.toString()); //$NON-NLS-1$ return elem; }
From source file:org.esa.snap.graphbuilder.gpf.ui.worldmap.NestWorldMapPane.java
public static GeneralPath areaToPath(final Area negativeArea, final double deltaX, final GeneralPath pixelPath) { final float[] floats = new float[6]; // move to correct rectangle final AffineTransform transform = AffineTransform.getTranslateInstance(deltaX, 0.0); final PathIterator iterator = negativeArea.getPathIterator(transform); while (!iterator.isDone()) { final int segmentType = iterator.currentSegment(floats); if (segmentType == PathIterator.SEG_LINETO) { pixelPath.lineTo(floats[0], floats[1]); } else if (segmentType == PathIterator.SEG_MOVETO) { pixelPath.moveTo(floats[0], floats[1]); } else if (segmentType == PathIterator.SEG_CLOSE) { pixelPath.closePath();// w w w. ja v a 2 s .co m } iterator.next(); } return pixelPath; }
From source file:org.geotools.gce.imagemosaic.Utils.java
/** * Checks if the Shape equates to a Rectangle, if it does it performs a conversion, otherwise * returns null/* ww w.j ava2 s. com*/ * @param shape * @return */ static Rectangle toRectangle(Shape shape) { if (shape instanceof Rectangle) { return (Rectangle) shape; } if (shape == null) { return null; } // check if it's equivalent to a rectangle PathIterator iter = shape.getPathIterator(new AffineTransform()); double[] coords = new double[2]; // not enough points? if (iter.isDone()) { return null; } // get the first and init the data structures iter.next(); int action = iter.currentSegment(coords); if (action != PathIterator.SEG_MOVETO && action != PathIterator.SEG_LINETO) { return null; } double minx = coords[0]; double miny = coords[1]; double maxx = minx; double maxy = miny; double prevx = minx; double prevy = miny; int i = 0; // at most 4 steps, if more it's not a strict rectangle for (; i < 4 && !iter.isDone(); i++) { iter.next(); action = iter.currentSegment(coords); if (action == PathIterator.SEG_CLOSE) { break; } if (action != PathIterator.SEG_LINETO) { return null; } // check orthogonal step (x does not change and y does, or vice versa) double x = coords[0]; double y = coords[1]; if (!(prevx == x && prevy != y) && !(prevx != x && prevy == y)) { return null; } // update mins and maxes if (x < minx) { minx = x; } else if (x > maxx) { maxx = x; } if (y < miny) { miny = y; } else if (y > maxy) { maxy = y; } // keep track of prev step prevx = x; prevy = y; } // if more than 4 other points it's not a standard rectangle iter.next(); if (!iter.isDone() || i != 3) { return null; } // turn it into a rectangle return new Rectangle2D.Double(minx, miny, maxx - minx, maxy - miny).getBounds(); }
From source file:org.opensha.commons.geo.RegionTest.java
private static void readArea(Area area) { PathIterator pi = area.getPathIterator(null); double[] vertex = new double[6]; while (!pi.isDone()) { pi.currentSegment(vertex);//from w w w.j av a2s.co m System.out.println("AreaCoord: " + vertex[1] + " " + vertex[0]); pi.next(); } }
From source file:org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal.PdfGraphics2D.java
private void followPath(Shape s, final int drawType) { if (s == null) { return;/*w ww.ja v a 2 s . com*/ } if (drawType == PdfGraphics2D.STROKE) { if (!(stroke instanceof BasicStroke)) { s = stroke.createStrokedShape(s); followPath(s, PdfGraphics2D.FILL); return; } } if (drawType == PdfGraphics2D.STROKE) { setStrokeDiff(stroke, oldStroke); oldStroke = stroke; setStrokePaint(); } else if (drawType == PdfGraphics2D.FILL) { setFillPaint(); } final PathIterator points; if (drawType == PdfGraphics2D.CLIP) { points = s.getPathIterator(PdfGraphics2D.IDENTITY); } else { points = s.getPathIterator(transform); } final float[] coords = new float[6]; int traces = 0; while (!points.isDone()) { ++traces; final int segtype = points.currentSegment(coords); normalizeY(coords); switch (segtype) { case PathIterator.SEG_CLOSE: cb.closePath(); break; case PathIterator.SEG_CUBICTO: cb.curveTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]); break; case PathIterator.SEG_LINETO: cb.lineTo(coords[0], coords[1]); break; case PathIterator.SEG_MOVETO: cb.moveTo(coords[0], coords[1]); break; case PathIterator.SEG_QUADTO: cb.curveTo(coords[0], coords[1], coords[2], coords[3]); break; default: throw new IllegalStateException("Invalid segment type in path"); } points.next(); } switch (drawType) { case PdfGraphics2D.FILL: if (traces > 0) { if (points.getWindingRule() == PathIterator.WIND_EVEN_ODD) { cb.eoFill(); } else { cb.fill(); } } break; case PdfGraphics2D.STROKE: if (traces > 0) { cb.stroke(); } break; default: // drawType==CLIP if (traces == 0) { cb.rectangle(0, 0, 0, 0); } if (points.getWindingRule() == PathIterator.WIND_EVEN_ODD) { cb.eoClip(); } else { cb.clip(); } cb.newPath(); } }