List of usage examples for java.awt Graphics2D getTransform
public abstract AffineTransform getTransform();
From source file:org.tros.logo.swing.LogoPanel.java
@Override public void drawString(final String message) { Drawable command = new Drawable() { @Override/*from www. j av a2 s . c om*/ public void draw(Graphics2D g2, TurtleState turtleState) { if (!turtleState.penup) { AffineTransform saveXform = g2.getTransform(); //double offsetAngle = (Math.PI / 2.0); double offsetAngle = 0; g2.setTransform(AffineTransform.getRotateInstance(turtleState.angle + offsetAngle, turtleState.penX, turtleState.penY)); g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB); g2.drawString(message, (int) turtleState.penX, (int) turtleState.penY); g2.setTransform(saveXform); } } @Override public void addListener(DrawListener listener) { } @Override public void removeListener(DrawListener listener) { } @Override public Drawable cloneDrawable() { return this; } }; submitCommand(command); }
From source file:org.uva.itast.blended.omr.OMRUtils.java
public static void logFrame(PageImage pageImage, PagePoint topleft, PagePoint topright, PagePoint bottomleft, PagePoint bottomright, Color color, String label) { if (topleft == null || topright == null || bottomleft == null || bottomright == null) return;/* ww w . ja va 2s. co m*/ Graphics2D g = pageImage.getReportingGraphics(); AffineTransform t = g.getTransform(); g.setColor(color); g.setStroke(new BasicStroke(1, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_ROUND, 1, new float[] { (float) (3 / t.getScaleX()), (float) (6 / t.getScaleY()) }, 0)); // Point framePxUL=pageImage.toPixels(topleft.getX(), topleft.getY()); // Point framePxUR=pageImage.toPixels(topright.getX(), topright.getY()); // Point framePxBL=pageImage.toPixels(bottomleft.getX(), // bottomleft.getY()); // Point framePxBR=pageImage.toPixels(bottomright.getX(), // bottomright.getY()); g.drawLine(topleft.getXpx(), topleft.getYpx(), topright.getXpx(), topright.getYpx()); g.drawLine(topleft.getXpx(), topleft.getYpx(), bottomleft.getXpx(), bottomleft.getYpx()); g.drawLine(topright.getXpx(), topright.getYpx(), bottomright.getXpx(), bottomright.getYpx()); g.drawLine(bottomleft.getXpx(), bottomleft.getYpx(), bottomright.getXpx(), bottomright.getYpx()); if (label != null) { g.drawString(label, topleft.getXpx(), topleft.getYpx()); } }
From source file:org.uva.itast.blended.omr.pages.PageImage.java
/** * Scaled graphics for drawing on a small version of the page. * Transform is set for drawing in pixels refered to the original scanned image * @return/* w w w . j a va2 s . co m*/ */ public Graphics2D getReportingGraphics() { // TODO: Crear una transformacion equivalente a la de la pgina para la imagen reducida BufferedImage reportingImage = this.getReportingImage(); Graphics2D g = reportingImage.createGraphics(); // AffineTransform origTransf=getAllignmentInfo(); // // AffineTransform trans=(AffineTransform) origTransf.clone(); // trans.scale(reportingImage.getWidth()/(getImage().getWidth()), // reportingImage.getHeight()/(getImage().getHeight())); // AffineTransform trans=g.getTransform(); // trans.scale(reportingImage.getWidth()/(getPreferredHorizontalResolution()*PageImage.a4width), // reportingImage.getHeight()/(getPreferredVerticalResolution()*PageImage.a4height)); double scaleX = ((double) reportingImage.getWidth()) / (getImage().getWidth()); double scaleY = ((double) reportingImage.getHeight()) / (getImage().getHeight()); AffineTransform trans = g.getTransform(); trans.scale(scaleX, scaleY); g.setTransform(trans); return g; }
From source file:org.uva.itast.blended.omr.scanners.BarcodeScanner.java
/** * @param campo/*from w w w.j a v a 2s. co m*/ */ public void markBarcode(Field campo) { try { //get bbox in pixels Rectangle rect = pageImage.toPixels(campo.getBBox()); // expand the area for some tolerance Rectangle2D expandedArea = getExpandedArea(campo.getBBox(), (float) BARCODE_AREA_PERCENT); Rectangle expandedRect = pageImage.toPixels(expandedArea); Graphics2D g = pageImage.getReportingGraphics(); AffineTransform t = g.getTransform(); g.setStroke(new BasicStroke(1, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_ROUND, 1, new float[] { (float) (3 / t.getScaleX()), (float) (6 / t.getScaleY()) }, 0)); if (lastResult != null) g.setColor(Color.BLUE); else g.setColor(Color.RED); g.drawRoundRect(rect.x, rect.y, rect.width, rect.height, 3, 3); g.drawRoundRect(expandedRect.x, expandedRect.y, expandedRect.width, expandedRect.height, 3, 3); g.setFont(new Font("Arial", Font.BOLD, (int) (12 / t.getScaleX()))); String message; if (lastResult != null) message = ((Result) lastResult.getResult()).getBarcodeFormat().toString() + "=" + getParsedCode(lastResult); else message = "UNRECOGNIZED!"; g.drawString(message, rect.x, rect.y); } catch (Exception e) { logger.error("Unexpected errr while logging the image:", e); } }
From source file:org.uva.itast.blended.omr.scanners.SolidSquareMarkScanner.java
/** * @param pageImage/*from w w w . jav a 2 s .com*/ */ public void putEmphasisMarkOnImage(PageImage pageImage, Color color) { Graphics2D g = pageImage.getReportingGraphics(); // int centerColor=imagen.getRGB(maxsimX, maxsimY); // g.setXORMode(new Color(centerColor)); // g.setColor(Color.RED); // g.fillOval(maxsimX - markWidth/2, maxsimY - markHeight/2, markWidth, // markHeight); // g.setPaintMode(); Dimension2D markDimsPx = pageImage.sizeInPixels(new Size(markWidth, markHeight)); int markWidth = (int) markDimsPx.getWidth(); int markHeight = (int) markDimsPx.getHeight(); g.setColor(color); AffineTransform t = g.getTransform(); g.drawLine(maxsimX, maxsimY - markHeight / 2 - 1, maxsimX, maxsimY - markHeight / 2 - (int) (20 / t.getScaleY())); Polygon arrowHead = new Polygon(); arrowHead.addPoint(maxsimX, (int) (maxsimY - markHeight / 2 - 1 / t.getScaleY())); arrowHead.addPoint((int) (maxsimX - 6 / t.getScaleX()), (int) (maxsimY - markHeight / 2 - 6 / t.getScaleY())); arrowHead.addPoint((int) (maxsimX + 6 / t.getScaleX()), (int) (maxsimY - markHeight / 2 - 6 / t.getScaleY())); g.fillPolygon(arrowHead); g.setStroke(new BasicStroke(2, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_ROUND, 1, new float[] { (float) (3 / t.getScaleX()), (float) (3 / t.getScaleY()) }, 0)); g.drawRect(maxsimX - markWidth / 2 - 1, maxsimY - markHeight / 2 - 1, markWidth + 1, markHeight + 1); }
From source file:statechum.analysis.learning.Visualiser.java
protected static PluggableRenderer constructRenderer(Graph g, final LayoutOptions options) { final LayoutOptions graphLayoutOptions = options != null ? options : new LayoutOptions(); PluggableRenderer r = new PluggableRenderer() { /**// w w w . jav a 2 s. c o m * Draws the edge <code>e</code>, whose endpoints are at <code>(x1,y1)</code> * and <code>(x2,y2)</code>, on the graphics context <code>g</code>. * The <code>Shape</code> provided by the <code>EdgeShapeFunction</code> instance * is scaled in the x-direction so that its width is equal to the distance between * <code>(x1,y1)</code> and <code>(x2,y2)</code>. */ @Override protected void drawSimpleEdge(Graphics2D g2d, Edge e, int x1, int y1, int x2, int y2) { final Vertex v1 = (Vertex) e.getEndpoints().getFirst(); final Vertex v2 = (Vertex) e.getEndpoints().getSecond(); boolean isLoop = v1.equals(v2); final Shape s2 = vertexShapeFunction.getShape(v2); Shape edgeShape = edgeShapeFunction.getShape(e); final double dx = x2 - x1; final double dy = y2 - y1; boolean edgeHit = true; boolean arrowHit = true; Rectangle deviceRectangle = null; if (screenDevice != null) { Dimension d = screenDevice.getSize(); if (d.width <= 0 || d.height <= 0) { d = screenDevice.getPreferredSize(); } deviceRectangle = new Rectangle(0, 0, d.width, d.height); } String label = edgeStringer.getLabel(e); assert (label != null); Component labelComponent = prepareRenderer(graphLabelRenderer, label, isPicked(e), e); Dimension d = labelComponent.getPreferredSize(); Rectangle2D EdgeShapeBoundaries = edgeShape.getBounds2D(); AffineTransform xform = AffineTransform.getTranslateInstance(x1, y1); double yMin = 0, yMax = 0; double thetaRadians = 0; if (isLoop) { // this is a self-loop. scale it is larger than the vertex // it decorates and translate it so that its nadir is // at the center of the vertex. int edgeIndex = ParallelEdgeIndexSingleton.getInstance().getIndex(e); Rectangle2D s2Bounds = s2.getBounds2D(); double scaleBy = 1 + (graphLayoutOptions.scaleLines - 1) * 1. / 3.; double translation = s2Bounds.getHeight() * (1. / 4. + edgeIndex / 4.); xform.translate(0, -scaleBy * translation); xform.scale(scaleBy * s2Bounds.getWidth(), scaleBy * s2Bounds.getHeight()); yMin = scaleBy * (EdgeShapeBoundaries.getMinY() * s2Bounds.getHeight()) - translation; yMax = scaleBy * (EdgeShapeBoundaries.getMaxY() * s2Bounds.getHeight()) - translation; } else { // this is a normal edge. Rotate it to the angle between // vertex endpoints, then scale it to the distance between // the vertices thetaRadians = Math.atan2(dy, dx); double dist = Math.sqrt(dx * dx + dy * dy); xform.rotate(thetaRadians); xform.scale(dist, 1.0); yMin = EdgeShapeBoundaries.getMinY(); yMax = EdgeShapeBoundaries.getMaxY(); } edgeShape = xform.createTransformedShape(edgeShape); // Debug code /* if (!isLoop) { g2d.setPaint(new Color( 250, 250, 0)); AffineTransform rect = AffineTransform.getTranslateInstance(x1, y1+yMin); rect.rotate(thetaRadians); g2d.fill(rect.createTransformedShape( new Rectangle(0,0,(int)Math.sqrt(dx*dx + dy*dy),(int)(yMax-yMin)))); } else { g2d.setPaint(new Color( 100, 250, 0)); AffineTransform rect = AffineTransform.getTranslateInstance(x1-s2.getBounds2D().getWidth()/2, y1+yMin); rect.rotate(thetaRadians); g2d.fill(rect.createTransformedShape( new Rectangle(0,0,(int)s2.getBounds2D().getWidth(),(int)(yMax-yMin)))); }*/ edgeHit = viewTransformer.transform(edgeShape).intersects(deviceRectangle); if (edgeHit == true) { Paint oldPaint = g2d.getPaint(); // get Paints for filling and drawing // (filling is done first so that drawing and label use same Paint) Paint fill_paint = edgePaintFunction.getFillPaint(e); if (fill_paint != null) { g2d.setPaint(fill_paint); g2d.fill(edgeShape); } Paint draw_paint = edgePaintFunction.getDrawPaint(e); if (draw_paint != null) { g2d.setPaint(draw_paint); g2d.draw(edgeShape); } double scalex = g2d.getTransform().getScaleX(); double scaley = g2d.getTransform().getScaleY(); // see if arrows are too small to bother drawing if (scalex < .3 || scaley < .3) return; if (edgeArrowPredicate.evaluate(e)) { Shape destVertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getSecond()); AffineTransform xf = AffineTransform.getTranslateInstance(x2, y2); destVertexShape = xf.createTransformedShape(destVertexShape); arrowHit = viewTransformer.transform(destVertexShape).intersects(deviceRectangle); if (arrowHit) { AffineTransform at; if (edgeShape instanceof GeneralPath) at = getArrowTransform((GeneralPath) edgeShape, destVertexShape); else at = getArrowTransform(new GeneralPath(edgeShape), destVertexShape); if (at == null) return; Shape arrow = edgeArrowFunction.getArrow(e); arrow = at.createTransformedShape(arrow); // note that arrows implicitly use the edge's draw paint g2d.fill(arrow); } assert !(e instanceof UndirectedEdge); } // For difference visualisation only boolean labelBelow = false; if (graphLayoutOptions.showDIFF && (draw_paint == null || draw_paint instanceof Color && ((Color) draw_paint).equals(Color.BLACK))) labelBelow = true; // Now draw the label. double xLabel = 0, yLabel = 0, xa = 0, ya = 0, rotation = thetaRadians; if (isLoop) { double displacementY = labelBelow ? -yMin + d.height : -yMin + d.height, displacementX = d.width / 2; xa = x1 + dx / 2 + displacementY * Math.sin(thetaRadians); ya = y1 + dy / 2 - displacementY * Math.cos(thetaRadians); xLabel = xa - displacementX * Math.cos(thetaRadians); yLabel = ya - displacementX * Math.sin(thetaRadians); } else if (dx < 0) { double displacementY = labelBelow ? yMax - d.height : (-yMax - d.height), displacementX = d.width / 2; xa = x1 + dx / 2 + displacementY * Math.sin(thetaRadians); ya = y1 + dy / 2 - displacementY * Math.cos(thetaRadians); xLabel = xa + displacementX * Math.cos(thetaRadians); yLabel = ya + displacementX * Math.sin(thetaRadians); rotation = thetaRadians + Math.PI; } else { double displacementY = labelBelow ? yMax : -yMax, displacementX = d.width / 2; xa = x1 + dx / 2 + displacementY * Math.sin(thetaRadians); ya = y1 + dy / 2 - displacementY * Math.cos(thetaRadians); xLabel = xa - displacementX * Math.cos(thetaRadians); yLabel = ya - displacementX * Math.sin(thetaRadians); } AffineTransform old = g2d.getTransform(); AffineTransform labelTransform = new AffineTransform(); // Debug code: //g2d.drawLine((int)(x1+dx/2), (int)(y1+dy/2), (int)(xa), (int)(ya));g2d.drawLine((int)(xa), (int)(ya), (int)(xLabel), (int)(yLabel)); labelTransform.translate(xLabel, yLabel); labelTransform.rotate(rotation); g2d.setTransform(labelTransform); rendererPane.paintComponent(g2d, labelComponent, screenDevice, 0, 0, d.width, d.height, true); g2d.setTransform(old); // restore old paint g2d.setPaint(oldPaint); } // if edgeHit == true } }; r = labelEdges(g, r, graphLayoutOptions); r = labelVertices(r, g, graphLayoutOptions); r.setVertexIncludePredicate(new Predicate() { @Override public boolean evaluate(Object object) { if (!graphLayoutOptions.showIgnored && graphLayoutOptions.ignoredStates != null && graphLayoutOptions.ignoredStates.contains(object.toString())) return false; if (graphLayoutOptions.showNegatives) return true; else return DeterministicDirectedSparseGraph.isAccept((Vertex) object); } }); return r; }
From source file:tufts.vue.LWComponent.java
/** * Useful for drawing drag images into an existing graphics buffer, or drawing exportable images. * * @param alpha 0.0 (invisible) to 1.0 (no alpha -- completely opaque) * @param maxSize max dimensions for image. May be null. Image may be smaller than maxSize. * @param fillColor -- if non-null, will be rendered as background for image. * @param zoomRequest -- desired zoom; ignored if maxSize is non-null * also set, background fill will have transparency of alpha^3 to enhance contrast. */// w ww. jav a 2s. c o m public void drawImage(Graphics2D g, double alpha, Dimension maxSize, Color fillColor, double zoomRequest) { //if (DEBUG.IMAGE) out("drawImage; size " + maxSize); final boolean drawBorder = false;// this instanceof LWMap; // hack for dragged images of LWMaps final Rectangle2D.Float bounds = getImageBounds(); final Rectangle clip = g.getClipBounds(); final Size fillSize = new Size(bounds); final double zoom = computeZoomAndSize(bounds, maxSize, zoomRequest, fillSize); if (DEBUG.IMAGE) out(TERM_GREEN + "drawImage:" + "\n\t mapBounds: " + fmt(bounds) + "\n\t fill: " + fillColor + "\n\t maxSize: " + maxSize + "\n\t zoomRequest: " + zoomRequest + "\n\t fitZoom: " + zoom + "\n\t fillSize: " + fillSize + "\n\t gc: " + g + "\n\t clip: " + fmt(clip) + "\n\t alpha: " + alpha + TERM_CLEAR); final int width = fillSize.pixelWidth(); final int height = fillSize.pixelHeight(); final DrawContext dc = new DrawContext(g, this); dc.setInteractive(false); if (alpha == OPAQUE) { dc.setPrintQuality(); } else { // if alpha, assume drag image (todo: better specified as an argument) dc.setDraftQuality(); } dc.setBackgroundFill(getRenderFillColor(null)); // sure we want null here? dc.setClipOptimized(false); // always draw all children -- don't bother to check bounds if (DEBUG.IMAGE) out(TERM_GREEN + "drawImage: " + dc + TERM_CLEAR); if (fillColor != null) { // if (false && alpha != OPAQUE) { // Color c = fillColor; // // if we have an alpha and a fill, amplify the alpha on the background fill // // by changing the fill to one that has alpha*alpha, for a total of // // alpha*alpha*alpha given our GC already has an alpha set. // fillColor = new Color(c.getRed(), c.getGreen(), c.getBlue(), (int) (alpha*alpha*255+0.5)); // } if (alpha != OPAQUE) dc.setAlpha(alpha, AlphaComposite.SRC); // erase any underlying in cache if (DEBUG.IMAGE) out("drawImage: fill=" + fillColor); g.setColor(fillColor); g.fillRect(0, 0, width, height); } else { //if (alpha != OPAQUE) { // we didn't have a fill, but we have an alpha: make sure any cached data is cleared // todo?: if fill is null, we need to clear as well -- it means we have implied alpha on any non-drawn bits // TODO: if this is a selection drag, we usually want to fill with the map color (or ideally, the color // of the common parent, e.g., a slide, if there's one common parent) dc.g.setComposite(AlphaComposite.Clear); g.fillRect(0, 0, width, height); } //if (alpha != OPAQUE) dc.setAlpha(alpha, AlphaComposite.SRC); if (DEBUG.IMAGE && DEBUG.META) { // Fill the entire imageable area g.setColor(Color.green); g.fillRect(0, 0, Short.MAX_VALUE, Short.MAX_VALUE); } final AffineTransform rawTransform = g.getTransform(); if (zoom != 1.0) dc.g.scale(zoom, zoom); // translate so that the upper left corner of the map region // we're drawing is at 0,0 on the underlying image g.translate(-bounds.getX(), -bounds.getY()); // GC *must* have a bounds set or we get NPE's in JComponent (textBox) rendering dc.setMasterClip(bounds); if (DEBUG.IMAGE && DEBUG.META) { // fill the clipped area so we can check our clip bounds dc.g.setColor(Color.red); dc.g.fillRect(-Short.MAX_VALUE / 2, -Short.MAX_VALUE / 2, // larger values than this can blow out internal GC code and we get nothing Short.MAX_VALUE, Short.MAX_VALUE); } if (this instanceof LWImage) { // for some reason, raw images don't seem to want to draw unless we fill first dc.g.setColor(Color.white); dc.g.fill(bounds); } // render to the image through the DrawContext/GC pointing to it draw(dc); if (drawBorder) { g.setTransform(rawTransform); //g.setColor(Color.red); //g.fillRect(0,0, Short.MAX_VALUE, Short.MAX_VALUE); if (DEBUG.IMAGE) { g.setColor(Color.black); dc.setAntiAlias(false); } else g.setColor(Color.darkGray); g.drawRect(0, 0, width - 1, height - 1); } if (DEBUG.IMAGE) out(TERM_GREEN + "drawImage: completed\n" + TERM_CLEAR); }
From source file:uk.ac.babraham.BamQC.Graphs.ScatterGraph.java
@Override protected void paintComponent(Graphics g) { g.setColor(Color.WHITE);//from w ww .ja va2 s. com g.fillRect(0, 0, getWidth(), getHeight()); g.setColor(Color.BLACK); if (g instanceof Graphics2D) { ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); } double yStart, xStart; if (minY % yInterval == 0) { yStart = minY; } else { yStart = yInterval * (((int) minY / yInterval) + 1); } if (minX % xInterval == 0) { xStart = minX; } else { xStart = xInterval * (((int) minX / xInterval) + 1); } int xOffset = 0; // Draw the yLabel on the left of the yAxis int yLabelRightShift = 12; if (yLabel == null || yLabel.isEmpty()) { yLabelRightShift = 0; } else { if (g instanceof Graphics2D) { Graphics2D g2 = (Graphics2D) g; AffineTransform orig = g2.getTransform(); g2.rotate(-Math.PI / 2); g2.setColor(Color.BLACK); g2.drawString(yLabel, -getY(-yInterval) / 2 - (g.getFontMetrics().stringWidth(yLabel) / 2), yLabelRightShift); g2.setTransform(orig); } } // Draw the y axis labels int lastYLabelEnd = Integer.MAX_VALUE; for (double i = yStart; i <= maxY; i += yInterval) { String label = "" + i; label = label.replaceAll(".0$", ""); // Don't leave trailing .0s where we don't need them. // Calculate the new xOffset depending on the widest ylabel. int width = g.getFontMetrics().stringWidth(label); if (width > xOffset) { xOffset = width; } // place the y axis labels so that they don't overlap when the plot is resized. int baseNumberHeight = g.getFontMetrics().getHeight(); int baseNumberPosition = getY(i) + (baseNumberHeight / 2); if (baseNumberPosition + baseNumberHeight < lastYLabelEnd) { // Draw the y axis labels g.drawString(label, yLabelRightShift + 6, baseNumberPosition); lastYLabelEnd = baseNumberPosition + 2; } } // Give the x axis a bit of breathing space xOffset = xOffset + yLabelRightShift + 8; // Now draw horizontal lines across from the y axis g.setColor(new Color(180, 180, 180)); for (double i = yStart; i <= maxY; i += yInterval) { g.drawLine(xOffset, getY(i), getWidth() - 10, getY(i)); } g.setColor(Color.BLACK); // Draw the graph title int titleWidth = g.getFontMetrics().stringWidth(graphTitle); g.drawString(graphTitle, (xOffset + ((getWidth() - (xOffset + 10)) / 2)) - (titleWidth / 2), 30); // Draw the xLabel under the xAxis g.drawString(xLabel, (getWidth() / 2) - (g.getFontMetrics().stringWidth(xLabel) / 2), getHeight() - 5); // Now draw the data points double baseWidth = (getWidth() - (xOffset + 10)) / (maxX - minX); // System.out.println("Base Width is "+baseWidth); // Let's find the longest label, and then work out how often we can draw labels int lastXLabelEnd = 0; // Draw the x axis labels for (double i = xStart; i <= maxX; i += xInterval) { g.setColor(Color.BLACK); String baseNumber = "" + i; baseNumber = baseNumber.replaceAll(".0$", ""); // Don't leave trailing .0s where we don't need them. // Calculate the new xOffset depending on the widest ylabel. int baseNumberWidth = g.getFontMetrics().stringWidth(baseNumber); int baseNumberPosition = (int) (xOffset + (baseWidth * i) - (baseNumberWidth / 2)); if (baseNumberPosition > lastXLabelEnd) { g.drawString(baseNumber, baseNumberPosition, getHeight() - 25); lastXLabelEnd = baseNumberPosition + baseNumberWidth + 5; } // Now draw vertical lines across from the y axis g.setColor(new Color(180, 180, 180)); g.drawLine((int) (xOffset + (baseWidth * i)), getHeight() - 40, (int) (xOffset + (baseWidth * i)), 40); g.setColor(Color.BLACK); } // Now draw the axes g.drawLine(xOffset, getHeight() - 40, getWidth() - 10, getHeight() - 40); g.drawLine(xOffset, getHeight() - 40, xOffset, 40); // Initialise the arrays containing the tooltips rectangles = new ArrayList<Rectangle>(); tips = new ArrayList<String>(); g.setColor(Color.BLUE); // Draw the data points double ovalSize = 5; // We distinguish two inputs since the x label does not start from 0. // used for computing the actual line points as if they were starting from 0. double[] inputVar = new double[data.length]; double[] responseVar = new double[data.length]; for (int d = 0; d < data.length; d++) { double x = getX(xCategories[d], xOffset) - ovalSize / 2; double y = getY(data[d]) - ovalSize / 2; g.fillOval((int) x, (int) y, (int) (ovalSize), (int) (ovalSize)); g.drawString(toolTipLabels[d], (int) x + 2, (int) y + 16); inputVar[d] = Double.valueOf(xCategories[d]); responseVar[d] = data[d]; // Tool tips Rectangle r = new Rectangle((int) x, (int) y, (int) (ovalSize), (int) (ovalSize)); rectangles.add(r); tips.add(toolTipLabels[d]); } g.setColor(Color.BLACK); // Draw the intercept // WARNING: Is drawing a least squares regression line asserting that "the distribution follows a power law" correct? // This is our case if we plot log-log.. // It seems not in this paper (Appendix A) http://arxiv.org/pdf/0706.1062v2.pdf if (data.length > 1) { LinearRegression linReg = new LinearRegression(inputVar, responseVar); double intercept = linReg.intercept(); double slope = linReg.slope(); double rSquare = linReg.R2(); // Let's now calculate the two points (x1, y1) and (xn, yn) // (x1, y1). We need to skip the areas where x1<minY and y1>maxY double x1 = minX; double y1 = slope * minX + intercept; if (y1 < minY) { x1 = (minY - intercept) / slope; y1 = minY; } else if (y1 > maxY) { x1 = (maxY - intercept) / slope; y1 = maxY; } // (xn, yn). maxX which essentially is inputVar[inputVar.length-1] double xn = maxX; double yn = slope * maxX + intercept; if (g instanceof Graphics2D) { ((Graphics2D) g).setStroke(new BasicStroke(1.5f)); } g.setColor(Color.RED); g.drawLine(getX(x1, xOffset), getY(y1), getX(xn, xOffset), getY(yn)); g.setColor(Color.BLACK); if (g instanceof Graphics2D) { ((Graphics2D) g).setStroke(new BasicStroke(1)); } // Draw the legend for the intercept String legendString = "y = " + Precision.round(slope, 3) + "x"; if (intercept < 0) legendString += " - " + Precision.round(-intercept, 3); else legendString += " + " + Precision.round(intercept, 3); int width = g.getFontMetrics().stringWidth(legendString); // First draw a box to put the legend in g.setColor(Color.WHITE); g.fillRect(xOffset + 10, 45, width + 8, 35); g.setColor(Color.LIGHT_GRAY); g.drawRect(xOffset + 10, 45, width + 8, 35); // Now draw the legend label g.setColor(Color.RED); g.drawString(legendString, xOffset + 13, 60); g.drawString("R^2 = " + Precision.round(rSquare, 3), xOffset + 13, 76); g.setColor(Color.BLACK); } }
From source file:util.ui.UiUtilities.java
/** * Scales Icons to a specific size/*from w w w. j ava 2 s . co m*/ * * @param icon * Icon that should be scaled * @param width * scaled width * @param height * scaled height * @return Scaled Icon */ public static Icon scaleIcon(Icon icon, int width, int height) { if (icon == null) { return null; } int currentWidth = icon.getIconWidth(); int currentHeight = icon.getIconHeight(); if ((currentWidth == width) && (currentHeight == height)) { return icon; } try { // Create Image with Icon BufferedImage iconImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB); Graphics2D g2 = iconImage.createGraphics(); g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); AffineTransform z = g2.getTransform(); g2.setTransform(z); icon.paintIcon(null, g2, 0, 0); g2.dispose(); BufferedImage scaled = scaleDown(iconImage, width, height); // Return new Icon return new ImageIcon(scaled); } catch (Exception ex) { ex.printStackTrace(); } return icon; }
From source file:VASSAL.counters.Labeler.java
public void draw(Graphics g, int x, int y, Component obs, double zoom) { updateCachedImage();/*from w w w. jav a2s.c om*/ piece.draw(g, x, y, obs, zoom); // FIXME: We should be drawing the text at the right size, not scaling it! final Point p = getLabelPosition(); final int labelX = x + (int) (zoom * p.x); final int labelY = y + (int) (zoom * p.y); AffineTransform saveXForm = null; final Graphics2D g2d = (Graphics2D) g; if (rotateDegrees != 0) { saveXForm = g2d.getTransform(); final AffineTransform newXForm = AffineTransform.getRotateInstance(Math.toRadians(rotateDegrees), x, y); g2d.transform(newXForm); } imagePainter.draw(g, labelX, labelY, zoom, obs); if (rotateDegrees != 0) { g2d.setTransform(saveXForm); } }