List of usage examples for java.awt.geom AffineTransform getTranslateInstance
public static AffineTransform getTranslateInstance(double tx, double ty)
From source file:edu.uci.ics.jung.algorithms.layout.AggregateLayout.java
/** * Returns the location of the vertex. The location is specified first * by the sublayouts, and then by the base layout if no sublayouts operate * on this vertex./* w ww. j ava2s . c om*/ * @return the location of the vertex * @see org.apache.commons.collections15.Transformer#transform(java.lang.Object) */ public Point2D transform(V v) { boolean wasInSublayout = false; for (Layout<V, E> layout : layouts.keySet()) { if (layout.getGraph().getVertices().contains(v)) { wasInSublayout = true; Point2D center = layouts.get(layout); // transform by the layout itself, but offset to the // center of the sublayout Dimension d = layout.getSize(); AffineTransform at = AffineTransform.getTranslateInstance(center.getX() - d.width / 2, center.getY() - d.height / 2); return at.transform(layout.transform(v), null); } } if (wasInSublayout == false) { return delegate.transform(v); } return null; }
From source file:es.ucm.fdi.edd.ui.views.utils.SWTImageCanvas.java
/** * Synchronize the scrollbar with the image. If the transform is out of * range, it will correct it. This function considers only following factors * :<b> transform, image size, client area</b>. *///from w ww . j ava 2s .co m public void syncScrollBars() { if (sourceImage == null) { redraw(); return; } AffineTransform af = transform; double sx = af.getScaleX(), sy = af.getScaleY(); double tx = af.getTranslateX(), ty = af.getTranslateY(); if (tx > 0) tx = 0; if (ty > 0) ty = 0; ScrollBar horizontal = getHorizontalBar(); horizontal.setIncrement((int) (getClientArea().width / 100)); horizontal.setPageIncrement(getClientArea().width); Rectangle imageBound = sourceImage.getBounds(); int cw = getClientArea().width, ch = getClientArea().height; if (imageBound.width * sx > cw) { /* image is wider than client area */ horizontal.setMaximum((int) (imageBound.width * sx)); horizontal.setEnabled(true); if (((int) -tx) > horizontal.getMaximum() - cw) tx = -horizontal.getMaximum() + cw; } else { /* image is narrower than client area */ horizontal.setEnabled(false); tx = (cw - imageBound.width * sx) / 2; // center if too small. } horizontal.setSelection((int) (-tx)); horizontal.setThumb((int) (getClientArea().width)); ScrollBar vertical = getVerticalBar(); vertical.setIncrement((int) (getClientArea().height / 100)); vertical.setPageIncrement((int) (getClientArea().height)); if (imageBound.height * sy > ch) { /* image is higher than client area */ vertical.setMaximum((int) (imageBound.height * sy)); vertical.setEnabled(true); if (((int) -ty) > vertical.getMaximum() - ch) ty = -vertical.getMaximum() + ch; } else { /* image is less higher than client area */ vertical.setEnabled(false); ty = (ch - imageBound.height * sy) / 2; // center if too small. } vertical.setSelection((int) (-ty)); vertical.setThumb((int) (getClientArea().height)); /* update transform. */ af = AffineTransform.getScaleInstance(sx, sy); af.preConcatenate(AffineTransform.getTranslateInstance(tx, ty)); transform = af; redraw(); }
From source file:lu.lippmann.cdb.graph.mouse.CadralEditingGraphMousePlugin.java
/** * Function to create the edge shape while drawing * @param down/*from www .j a va 2 s .c om*/ * @param out */ private void transformEdgeShape(Point2D down, Point2D out) { float x1 = (float) down.getX(); float y1 = (float) down.getY(); float x2 = (float) out.getX(); float y2 = (float) out.getY(); AffineTransform xform = AffineTransform.getTranslateInstance(x1, y1); float dx = x2 - x1; float dy = y2 - y1; float thetaRadians = (float) Math.atan2(dy, dx); xform.rotate(thetaRadians); float dist = (float) Math.sqrt(dx * dx + dy * dy); xform.scale((double) dist / rawEdge.getBounds().getWidth(), 1.0d); edgeShape = xform.createTransformedShape(rawEdge); }
From source file:org.pentaho.plugin.jfreereport.reportcharts.JFreeChartReportDrawable.java
private AbstractImageMapEntry createMapEntry(final Shape area, final Rectangle2D dataArea) { if (buggyDrawArea) { if (area instanceof Ellipse2D) { final Ellipse2D ellipse2D = (Ellipse2D) area; if (ellipse2D.getWidth() == ellipse2D.getHeight()) { return new CircleImageMapEntry((float) (ellipse2D.getCenterX() + dataArea.getX()), (float) (ellipse2D.getCenterY() + dataArea.getY()), (float) (ellipse2D.getWidth() / 2)); }// ww w.j a v a2 s. c o m } else if (area instanceof Rectangle2D) { final Rectangle2D rect = (Rectangle2D) area; return (new RectangleImageMapEntry((float) (rect.getX() + dataArea.getX()), (float) (rect.getY() + dataArea.getY()), (float) (rect.getX() + rect.getWidth()), (float) (rect.getY() + rect.getHeight()))); } } else { if (area instanceof Ellipse2D) { final Ellipse2D ellipse2D = (Ellipse2D) area; if (ellipse2D.getWidth() == ellipse2D.getHeight()) { return new CircleImageMapEntry((float) (ellipse2D.getCenterX()), (float) (ellipse2D.getCenterY()), (float) (ellipse2D.getWidth() / 2)); } } else if (area instanceof Rectangle2D) { final Rectangle2D rect = (Rectangle2D) area; return (new RectangleImageMapEntry((float) (rect.getX()), (float) (rect.getY()), (float) (rect.getX() + rect.getWidth()), (float) (rect.getY() + rect.getHeight()))); } } final Area a = new Area(area); if (buggyDrawArea) { a.transform(AffineTransform.getTranslateInstance(dataArea.getX(), dataArea.getY())); } if (dataArea.isEmpty() == false) { a.intersect(new Area(dataArea)); } final PathIterator pathIterator = a.getPathIterator(null, 2); final FloatList floats = new FloatList(100); final float[] coords = new float[6]; while (pathIterator.isDone() == false) { final int retval = pathIterator.currentSegment(coords); if (retval == PathIterator.SEG_MOVETO || retval == PathIterator.SEG_LINETO) { floats.add(coords[0]); floats.add(coords[1]); } pathIterator.next(); } if (floats.size() == 0) { return null; } return (new PolygonImageMapEntry(floats.toArray())); }
From source file:lu.lippmann.cdb.graph.mouse.CadralEditingGraphMousePlugin.java
/** * Function to draw the arrow while drawing * @param down/*from w ww. jav a 2 s . c o m*/ * @param out */ private void transformArrowShape(Point2D down, Point2D out) { float x1 = (float) down.getX(); float y1 = (float) down.getY(); float x2 = (float) out.getX(); float y2 = (float) out.getY(); AffineTransform xform = AffineTransform.getTranslateInstance(x2, y2); float dx = x2 - x1; float dy = y2 - y1; float thetaRadians = (float) Math.atan2(dy, dx); xform.rotate(thetaRadians); arrowShape = xform.createTransformedShape(rawArrowShape); }
From source file:ShapeTransform.java
/** * Scales a given shape. The shape is first normalized, then scaled and * finally brought back into its original position. * //from w w w.j a v a 2s. c o m * @param shape * the shape to be scaled * @param scaleX * the horizontal scaling factor * @param scaleY * the vertical scaling factor * @return the scaled shape */ private static Shape performDefaultTransformation(final Shape shape, final double scaleX, final double scaleY) { /** * Apply the normalisation shape transform ... bring the shape to pos (0,0) */ final Rectangle2D bounds = shape.getBounds2D(); AffineTransform af = AffineTransform.getTranslateInstance(0 - bounds.getX(), 0 - bounds.getY()); // apply normalisation translation ... Shape s = af.createTransformedShape(shape); af = AffineTransform.getScaleInstance(scaleX, scaleY); // apply scaling ... s = af.createTransformedShape(s); // now retranslate the shape to its original position ... af = AffineTransform.getTranslateInstance(bounds.getX(), bounds.getY()); return af.createTransformedShape(s); }
From source file:br.gov.jfrj.itextpdf.Documento.java
public static byte[] stamp(byte[] abPdf, String sigla, boolean rascunho, boolean cancelado, boolean semEfeito, boolean internoProduzido, String qrCode, String mensagem, Integer paginaInicial, Integer paginaFinal, Integer cOmitirNumeracao, String instancia, String orgaoUsu) throws DocumentException, IOException { PdfReader pdfIn = new PdfReader(abPdf); Document doc = new Document(PageSize.A4, 0, 0, 0, 0); // final SimpleDateFormat sdf = new SimpleDateFormat( // "EEE MMM dd HH:mm:ss zzz yyyy"); // doc.add(new Meta("creationdate", sdf.format(new Date(0L)))); final ByteArrayOutputStream boA4 = new ByteArrayOutputStream(); PdfWriter writer = PdfWriter.getInstance(doc, boA4); doc.open();/*from ww w. ja va 2s .c om*/ PdfContentByte cb = writer.getDirectContent(); // Resize every page to A4 size // // double thetaRotation = 0.0; for (int i = 1; i <= pdfIn.getNumberOfPages(); i++) { int rot = pdfIn.getPageRotation(i); float left = pdfIn.getPageSize(i).getLeft(); float bottom = pdfIn.getPageSize(i).getBottom(); float top = pdfIn.getPageSize(i).getTop(); float right = pdfIn.getPageSize(i).getRight(); PdfImportedPage page = writer.getImportedPage(pdfIn, i); float w = page.getWidth(); float h = page.getHeight(); // Logger.getRootLogger().error("----- dimensoes: " + rot + ", " + w // + ", " + h); doc.setPageSize((rot != 0 && rot != 180) ^ (w > h) ? PageSize.A4.rotate() : PageSize.A4); doc.newPage(); cb.saveState(); if (rot != 0 && rot != 180) { float swap = w; w = h; h = swap; } float pw = doc.getPageSize().getWidth(); float ph = doc.getPageSize().getHeight(); double scale = Math.min(pw / w, ph / h); // do my transformations : cb.transform(AffineTransform.getScaleInstance(scale, scale)); if (!internoProduzido) { cb.transform(AffineTransform.getTranslateInstance(pw * SAFETY_MARGIN, ph * SAFETY_MARGIN)); cb.transform(AffineTransform.getScaleInstance(1.0f - 2 * SAFETY_MARGIN, 1.0f - 2 * SAFETY_MARGIN)); } if (rot != 0) { double theta = -rot * (Math.PI / 180); if (rot == 180) { cb.transform(AffineTransform.getRotateInstance(theta, w / 2, h / 2)); } else { cb.transform(AffineTransform.getRotateInstance(theta, h / 2, w / 2)); } if (rot == 90) { cb.transform(AffineTransform.getTranslateInstance((w - h) / 2, (w - h) / 2)); } else if (rot == 270) { cb.transform(AffineTransform.getTranslateInstance((h - w) / 2, (h - w) / 2)); } } // Logger.getRootLogger().error( // "----- dimensoes: " + rot + ", " + w + ", " + h); // Logger.getRootLogger().error("----- page: " + pw + ", " + ph); // cb.transform(AffineTransform.getTranslateInstance( // ((pw / scale) - w) / 2, ((ph / scale) - h) / 2)); // put the page cb.addTemplate(page, 0, 0); // draw a red rectangle at the page borders // // cb.saveState(); // cb.setColorStroke(Color.red); // cb.rectangle(pdfIn.getPageSize(i).getLeft(), pdfIn.getPageSize(i) // .getBottom(), pdfIn.getPageSize(i).getRight(), pdfIn // .getPageSize(i).getTop()); // cb.stroke(); // cb.restoreState(); cb.restoreState(); } doc.close(); abPdf = boA4.toByteArray(); final ByteArrayOutputStream bo2 = new ByteArrayOutputStream(); final PdfReader reader = new PdfReader(abPdf); final int n = reader.getNumberOfPages(); final PdfStamper stamp = new PdfStamper(reader, bo2); // adding content to each page int i = 0; PdfContentByte under; PdfContentByte over; final BaseFont helv = BaseFont.createFont("Helvetica", BaseFont.WINANSI, false); // Image img = Image.getInstance("watermark.jpg"); final BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED); byte maskr[] = { (byte) 0xff }; Image mask = Image.getInstance(1, 1, 1, 1, maskr); mask.makeMask(); mask.setInverted(true); while (i < n) { i++; // watermark under the existing page under = stamp.getUnderContent(i); over = stamp.getOverContent(i); final Barcode39 code39 = new Barcode39(); // code39.setCode(doc.getCodigo()); code39.setCode(sigla.replace("-", "").replace("/", "").replace(".", "")); code39.setStartStopText(false); final Image image39 = code39.createImageWithBarcode(over, null, null); Rectangle r = stamp.getReader().getPageSizeWithRotation(i); image39.setInitialRotation((float) Math.PI / 2.0f); image39.setAbsolutePosition( r.getWidth() - image39.getHeight() + (STAMP_BORDER_IN_CM - PAGE_BORDER_IN_CM) * CM_UNIT, BARCODE_HEIGHT_IN_CM * CM_UNIT); image39.setBackgroundColor(Color.green); image39.setBorderColor(Color.RED); image39.setBorderWidth(0.5f * CM_UNIT); image39.setImageMask(mask); over.setRGBColorFill(255, 255, 255); mask.setAbsolutePosition(r.getWidth() - image39.getHeight() - (PAGE_BORDER_IN_CM) * CM_UNIT, (BARCODE_HEIGHT_IN_CM - STAMP_BORDER_IN_CM) * CM_UNIT); mask.scaleAbsolute(image39.getHeight() + 2 * STAMP_BORDER_IN_CM * CM_UNIT, image39.getWidth() + 2 * STAMP_BORDER_IN_CM * CM_UNIT); over.addImage(mask); over.setRGBColorFill(0, 0, 0); over.addImage(image39); // over.addImage(mask, mask.getScaledWidth() * 8, 0, 0, // mask.getScaledHeight() * 8, 100, 450); if (qrCode != null) { java.awt.Image imgQRCode = createQRCodeImage(qrCode); Image imageQRCode = Image.getInstance(imgQRCode, Color.BLACK, true); imageQRCode.scaleAbsolute(QRCODE_SIZE_IN_CM * CM_UNIT, QRCODE_SIZE_IN_CM * CM_UNIT); imageQRCode.setAbsolutePosition(QRCODE_LEFT_MARGIN_IN_CM * CM_UNIT, PAGE_BORDER_IN_CM * CM_UNIT); over.setRGBColorFill(255, 255, 255); mask.setAbsolutePosition((QRCODE_LEFT_MARGIN_IN_CM - STAMP_BORDER_IN_CM) * CM_UNIT, (PAGE_BORDER_IN_CM - STAMP_BORDER_IN_CM) * CM_UNIT); mask.scaleAbsolute((QRCODE_SIZE_IN_CM + 2 * STAMP_BORDER_IN_CM) * CM_UNIT, (QRCODE_SIZE_IN_CM + 2 * STAMP_BORDER_IN_CM) * CM_UNIT); over.addImage(mask); over.setRGBColorFill(0, 0, 0); over.addImage(imageQRCode); } if (mensagem != null) { PdfPTable table = new PdfPTable(1); table.setTotalWidth(r.getWidth() - image39.getHeight() - (QRCODE_LEFT_MARGIN_IN_CM + QRCODE_SIZE_IN_CM + 4 * STAMP_BORDER_IN_CM + PAGE_BORDER_IN_CM) * CM_UNIT); PdfPCell cell = new PdfPCell(new Paragraph(mensagem, FontFactory.getFont(FontFactory.HELVETICA, 8, Font.NORMAL, Color.BLACK))); cell.setBorderWidth(0); table.addCell(cell); over.setRGBColorFill(255, 255, 255); mask.setAbsolutePosition( (QRCODE_LEFT_MARGIN_IN_CM + QRCODE_SIZE_IN_CM + STAMP_BORDER_IN_CM) * CM_UNIT, (PAGE_BORDER_IN_CM - STAMP_BORDER_IN_CM) * CM_UNIT); mask.scaleAbsolute(2 * STAMP_BORDER_IN_CM * CM_UNIT + table.getTotalWidth(), 2 * STAMP_BORDER_IN_CM * CM_UNIT + table.getTotalHeight()); over.addImage(mask); over.setRGBColorFill(0, 0, 0); table.writeSelectedRows(0, -1, (QRCODE_LEFT_MARGIN_IN_CM + QRCODE_SIZE_IN_CM + 2 * STAMP_BORDER_IN_CM) * CM_UNIT, table.getTotalHeight() + PAGE_BORDER_IN_CM * CM_UNIT, over); } if (cancelado) { over.saveState(); final PdfGState gs = new PdfGState(); gs.setFillOpacity(0.5f); over.setGState(gs); over.setColorFill(Color.GRAY); over.beginText(); over.setFontAndSize(helv, 72); over.showTextAligned(Element.ALIGN_CENTER, "CANCELADO", r.getWidth() / 2, r.getHeight() / 2, 45); over.endText(); over.restoreState(); } else if (rascunho) { over.saveState(); final PdfGState gs = new PdfGState(); gs.setFillOpacity(0.5f); over.setGState(gs); over.setColorFill(Color.GRAY); over.beginText(); over.setFontAndSize(helv, 72); over.showTextAligned(Element.ALIGN_CENTER, "MINUTA", r.getWidth() / 2, r.getHeight() / 2, 45); over.endText(); over.restoreState(); } else if (semEfeito) { over.saveState(); final PdfGState gs = new PdfGState(); gs.setFillOpacity(0.5f); over.setGState(gs); over.setColorFill(Color.GRAY); over.beginText(); over.setFontAndSize(helv, 72); over.showTextAligned(Element.ALIGN_CENTER, "SEM EFEITO", r.getWidth() / 2, r.getHeight() / 2, 45); over.endText(); over.restoreState(); } // if (!rascunho // && request.getRequestURL().indexOf("http://laguna/") == -1) { if (!rascunho && !cancelado && !semEfeito && ((!Contexto.resource("isVersionTest").equals("false")) || (!Contexto.resource("isBaseTest").equals("false")))) { over.saveState(); final PdfGState gs = new PdfGState(); gs.setFillOpacity(0.5f); over.setGState(gs); over.setColorFill(Color.GRAY); over.beginText(); over.setFontAndSize(helv, 72); over.showTextAligned(Element.ALIGN_CENTER, "INVLIDO", r.getWidth() / 2, r.getHeight() / 2, 45); over.endText(); over.restoreState(); } // Imprime um circulo com o numero da pagina dentro. if (paginaInicial != null) { String sFl = String.valueOf(paginaInicial + i - 1); // Se for a ultima pagina e o numero nao casar, acrescenta "-" e // pagina final if (n == i) { if (paginaFinal != paginaInicial + n - 1) { sFl = sFl + "-" + String.valueOf(paginaFinal); } } if (i > cOmitirNumeracao) { // Raio do circulo interno final float radius = 18f; // Distancia entre o circulo interno e o externo final float circleInterspace = Math.max(helv.getAscentPoint(instancia, TEXT_HEIGHT), helv.getAscentPoint(orgaoUsu, TEXT_HEIGHT)) - Math.min(helv.getDescentPoint(instancia, TEXT_HEIGHT), helv.getDescentPoint(orgaoUsu, TEXT_HEIGHT)) + 2 * TEXT_TO_CIRCLE_INTERSPACE; // Centro do circulo float xCenter = r.getWidth() - 1.8f * (radius + circleInterspace); float yCenter = r.getHeight() - 1.8f * (radius + circleInterspace); over.saveState(); final PdfGState gs = new PdfGState(); gs.setFillOpacity(1f); over.setGState(gs); over.setColorFill(Color.BLACK); over.saveState(); over.setColorStroke(Color.black); over.setLineWidth(1f); over.setColorFill(Color.WHITE); // Circulo externo over.circle(xCenter, yCenter, radius + circleInterspace); over.fill(); over.circle(xCenter, yCenter, radius + circleInterspace); over.stroke(); // Circulo interno over.circle(xCenter, yCenter, radius); over.stroke(); over.restoreState(); { over.saveState(); over.beginText(); over.setFontAndSize(helv, TEXT_HEIGHT); // Escreve o texto superior do carimbo float fDescent = helv.getDescentPoint(instancia, TEXT_HEIGHT); showTextOnArc(over, instancia, helv, TEXT_HEIGHT, xCenter, yCenter, radius - fDescent + TEXT_TO_CIRCLE_INTERSPACE, true); // Escreve o texto inferior float fAscent = helv.getAscentPoint(orgaoUsu, TEXT_HEIGHT); showTextOnArc(over, orgaoUsu, helv, TEXT_HEIGHT, xCenter, yCenter, radius + fAscent + TEXT_TO_CIRCLE_INTERSPACE, false); over.endText(); over.restoreState(); } over.beginText(); int textHeight = 23; // Diminui o tamanho do font ate que o texto caiba dentro do // circulo interno while (helv.getWidthPoint(sFl, textHeight) > (2 * (radius - TEXT_TO_CIRCLE_INTERSPACE))) textHeight--; float fAscent = helv.getAscentPoint(sFl, textHeight) + helv.getDescentPoint(sFl, textHeight); over.setFontAndSize(helv, textHeight); over.showTextAligned(Element.ALIGN_CENTER, sFl, xCenter, yCenter - 0.5f * fAscent, 0); over.endText(); over.restoreState(); } } } stamp.close(); return bo2.toByteArray(); }
From source file:net.sf.maltcms.chromaui.annotations.PeakAnnotationRenderer.java
private void drawOutline(Shape entity, Graphics2D g2, Color fill, Color stroke, ChartPanel chartPanel, boolean scale, float alpha) { if (entity != null) { //System.out.println("Drawing entity with bbox: "+entity.getBounds2D()); Shape savedClip = g2.getClip(); Rectangle2D dataArea = chartPanel.getScreenDataArea(); Color c = g2.getColor();/*from w w w.j a v a 2 s .c o m*/ Composite comp = g2.getComposite(); g2.clip(dataArea); g2.setColor(fill); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); JFreeChart chart = chartPanel.getChart(); XYPlot plot = (XYPlot) chart.getPlot(); ValueAxis xAxis = plot.getDomainAxis(); ValueAxis yAxis = plot.getRangeAxis(); RectangleEdge xAxisEdge = plot.getDomainAxisEdge(); RectangleEdge yAxisEdge = plot.getRangeAxisEdge(); Rectangle2D entityBounds = entity.getBounds2D(); double viewX = xAxis.valueToJava2D(entityBounds.getCenterX(), dataArea, xAxisEdge); double viewY = yAxis.valueToJava2D(entityBounds.getCenterY(), dataArea, yAxisEdge); double viewW = xAxis.lengthToJava2D(entityBounds.getWidth(), dataArea, xAxisEdge); double viewH = yAxis.lengthToJava2D(entityBounds.getHeight(), dataArea, yAxisEdge); PlotOrientation orientation = plot.getOrientation(); //transform model to origin (0,0) in model coordinates AffineTransform toOrigin = AffineTransform.getTranslateInstance(-entityBounds.getCenterX(), -entityBounds.getCenterY()); //transform from origin (0,0) to model location AffineTransform toModelLocation = AffineTransform.getTranslateInstance(entityBounds.getCenterX(), entityBounds.getCenterY()); //transform from model scale to view scale double scaleX = viewW / entityBounds.getWidth(); double scaleY = viewH / entityBounds.getHeight(); Logger.getLogger(getClass().getName()).log(Level.FINE, "Scale x: {0} Scale y: {1}", new Object[] { scaleX, scaleY }); AffineTransform toViewScale = AffineTransform.getScaleInstance(scaleX, scaleY); AffineTransform toViewLocation = AffineTransform.getTranslateInstance(viewX, viewY); AffineTransform flipTransform = AffineTransform.getScaleInstance(1.0f, -1.0f); AffineTransform modelToView = new AffineTransform(toOrigin); modelToView.preConcatenate(flipTransform); modelToView.preConcatenate(toViewScale); modelToView.preConcatenate(toViewLocation); // // if (orientation == PlotOrientation.HORIZONTAL) { // entity = ShapeUtilities.createTranslatedShape(entity, viewY, // viewX); // } else if (orientation == PlotOrientation.VERTICAL) { // entity = ShapeUtilities.createTranslatedShape(entity, viewX, // viewY); // } FlatteningPathIterator iter = new FlatteningPathIterator(modelToView.createTransformedShape(entity) .getPathIterator(AffineTransform.getTranslateInstance(0, 0)), 5); Path2D.Float path = new Path2D.Float(); path.append(iter, false); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha)); g2.fill(path); if (stroke != null) { g2.setColor(stroke); g2.draw(path); } g2.setComposite(comp); g2.setColor(c); g2.setClip(savedClip); } else { Logger.getLogger(getClass().getName()).info("Entity is null!"); } }
From source file:ShapeTransform.java
/** * Translates a given shape. Special care is taken to preserve the shape's * original class, if the shape is a rectangle or a line. * /*from ww w .j a v a 2 s .c o m*/ * @param s * the shape * @param x * the x coordinate where the shape is translated to * @param y * the y coordinate where the shape is translated to * @return the translated shape */ public static Shape translateShape(final Shape s, final double x, final double y) { if (s instanceof RectangularShape) { final RectangularShape rect = (RectangularShape) s; final RectangularShape retval = (RectangularShape) rect.clone(); retval.setFrame(retval.getX() + x, retval.getY() + y, retval.getWidth(), retval.getHeight()); return retval; } if (s instanceof Line2D) { final Line2D line = (Line2D) s; final Line2D retval = (Line2D) line.clone(); retval.setLine(retval.getX1() + x, retval.getY1() + y, retval.getX2() + x, retval.getY2() + y); return retval; } final AffineTransform af = AffineTransform.getTranslateInstance(x, y); return af.createTransformedShape(s); }
From source file:es.ucm.fdi.edd.ui.views.utils.SWTImageCanvas.java
/** * Perform a zooming operation centered on the given point (dx, dy) and * using the given scale factor. The given AffineTransform instance is * preconcatenated.//from w ww.ja va 2 s .c om * * @param dx * center x * @param dy * center y * @param scale * zoom rate * @param af * original affinetransform */ public void centerZoom(double dx, double dy, double scale, AffineTransform af) { af.preConcatenate(AffineTransform.getTranslateInstance(-dx, -dy)); af.preConcatenate(AffineTransform.getScaleInstance(scale, scale)); af.preConcatenate(AffineTransform.getTranslateInstance(dx, dy)); transform = af; syncScrollBars(); }