void drawLine(Graphics g, DrawObject L) { if (L == null) { return; } if ((sequencingOn) && (L.sequenceNum != currentSequenceNumDisplay)) { return; } Graphics2D g2 = (Graphics2D) g; g2.setStroke(L.drawStroke); int x1 = (int) ((L.x - minX) / (maxX - minX) * (D.width - 2 * inset)); int y1 = (int) ((L.y - minY) / (maxY - minY) * (D.height - 2.0 * inset)); int x2 = (int) ((L.x2 - minX) / (maxX - minX) * (D.width - 2 * inset)); int y2 = (int) ((L.y2 - minY) / (maxY - minY) * (D.height - 2.0 * inset)); if (L.isArrow) { drawArrow( (Graphics2D) g, inset + x1, D.height - y1 - inset, inset + x2, D.height - y2 - inset, 1.0f, L.drawStroke); } else { g.drawLine(inset + x1, D.height - y1 - inset, inset + x2, D.height - y2 - inset); } }
/** [Internal] */ private void paintBackground(Graphics2D g2, Color theBackground) { Color color1 = g2.getColor(); if (theBackground == null) theBackground = Color.white; g2.setColor(theBackground); g2.fillRect(0, 0, 30000, 30000); g2.setColor(color1); }
/** paint the canvas into a image file of given width and height */ public void writeToImage(String s, int w, int h) { String ext; File f; try { ext = s.substring(s.lastIndexOf(".") + 1); f = new File(s); } catch (Exception e) { System.out.println(e); return; } if (!ext.equals("jpg") && !ext.equals("png")) { System.out.println("Cannot write to file: Illegal extension " + ext); return; } boolean opq = true; if (theOpaque != null) opq = theOpaque; BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); g2.setBackground(Color.white); g2.setPaint(Color.black); g2.setStroke(new BasicStroke(1)); g2.setRenderingHint( RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); doBuffer(g2, true, new Rectangle(0, 0, w, h)); try { ImageIO.write(image, ext, f); } catch (Exception e) { System.out.println(e); } }
// From: http://forum.java.sun.com/thread.jspa?threadID=378460&tstart=135 void drawArrow( Graphics2D g2d, int xCenter, int yCenter, int x, int y, float stroke, BasicStroke drawStroke) { double aDir = Math.atan2(xCenter - x, yCenter - y); // Line can be dashed. g2d.setStroke(drawStroke); g2d.drawLine(x, y, xCenter, yCenter); // make the arrow head solid even if dash pattern has been specified g2d.setStroke(lineStroke); Polygon tmpPoly = new Polygon(); int i1 = 12 + (int) (stroke * 2); // make the arrow head the same size regardless of the length length int i2 = 6 + (int) stroke; tmpPoly.addPoint(x, y); tmpPoly.addPoint(x + xCor(i1, aDir + .5), y + yCor(i1, aDir + .5)); tmpPoly.addPoint(x + xCor(i2, aDir), y + yCor(i2, aDir)); tmpPoly.addPoint(x + xCor(i1, aDir - .5), y + yCor(i1, aDir - .5)); tmpPoly.addPoint(x, y); // arrow tip g2d.drawPolygon(tmpPoly); // Remove this line to leave arrow head unpainted: g2d.fillPolygon(tmpPoly); }
public static BufferedImage tileImage(BufferedImage im, int width, int height) { GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment() .getDefaultScreenDevice() .getDefaultConfiguration(); int transparency = Transparency.OPAQUE; // Transparency.BITMASK; BufferedImage compatible = gc.createCompatibleImage(width, height, transparency); Graphics2D g = (Graphics2D) compatible.getGraphics(); g.setPaint(new TexturePaint(im, new Rectangle(0, 0, im.getWidth(), im.getHeight()))); g.fillRect(0, 0, width, height); return compatible; }
/** [Internal] */ public int print(Graphics g, PageFormat pf, int pi) throws PrinterException { if (pi >= 1) { return Printable.NO_SUCH_PAGE; } RepaintManager currentManager = RepaintManager.currentManager(this); currentManager.setDoubleBufferingEnabled(false); Graphics2D g2 = (Graphics2D) g; initState(g2, true); g2.translate((int) (pf.getImageableX() + 1), (int) (pf.getImageableY() + 1)); g2.scale(printScale, printScale); doBuffer(g2, true, null); currentManager.setDoubleBufferingEnabled(true); return Printable.PAGE_EXISTS; }
public void generarFondo(Component componente) { Rectangle areaDibujo = this.getBounds(); BufferedImage tmp; GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment() .getDefaultScreenDevice() .getDefaultConfiguration(); tmp = gc.createCompatibleImage(areaDibujo.width, areaDibujo.height, BufferedImage.TRANSLUCENT); Graphics2D g2d = (Graphics2D) tmp.getGraphics(); g2d.setColor(new Color(55, 55, 255, 165)); g2d.fillRect(0, 0, areaDibujo.width, areaDibujo.height); fondo = tmp; }
private synchronized void doBuffer(Graphics2D g2, boolean opq, Rectangle rt) { origTransform = g2.getTransform(); if (opq && rt != null) g2.clearRect(rt.x, rt.y, rt.width, rt.height); g2.setPaint(origPaint); g2.setFont(origFont); g2.setStroke(origStroke); if (inBuffer) { // System.out.println("upps"); for (int i = 0; i < a1x.size(); i++) doPaint(g2, a1x.get(i), a2x.get(i)); origTransform = null; return; } for (int i = 0; i < a1.size(); i++) doPaint(g2, a1.get(i), a2.get(i)); origTransform = null; }
/** * method to draw the tail of the balloon * * @param ellipseHeight the height of the ellipse * @param fillColor the color to bill the balloon with * @param outlineColor the color to outline the balloon with * @param g2 the 2d graphics context */ protected void drawTail(int ellipseHeight, Color fillColor, Color outlineColor, Graphics2D g2) { Point tailEnd = getTailEnd(); Point upperLeft = getUpperLeft(); int margin = getMargin(); int halfWidth = getWidth() / 2; int topY = upperLeft.y + ellipseHeight; int startX = upperLeft.x + halfWidth - margin; int endX = upperLeft.x + halfWidth + margin; GeneralPath triangle = new GeneralPath(GeneralPath.WIND_EVEN_ODD, 3); triangle.moveTo(startX, topY); triangle.lineTo(endX, topY); triangle.lineTo(tailEnd.x, tailEnd.y); triangle.lineTo(startX, topY); g2.setColor(fillColor); g2.fill(triangle); g2.setColor(outlineColor); g2.draw(new Line2D.Double(tailEnd.x, tailEnd.y, startX, topY)); g2.draw(new Line2D.Double(tailEnd.x, tailEnd.y, endX, topY)); }
void drawOvalOrRectangle(Graphics g, DrawObject R, boolean isRect) { if (R == null) { return; } if ((sequencingOn) && (R.sequenceNum != currentSequenceNumDisplay)) { return; } Graphics2D g2 = (Graphics2D) g; g2.setStroke(R.drawStroke); int x1 = (int) ((R.x - minX) / (maxX - minX) * (D.width - 2 * inset)); int y1 = (int) ((R.y - minY) / (maxY - minY) * (D.height - 2.0 * inset)); double x = R.x + R.width; double y = R.y - R.height; int x2 = (int) ((x - minX) / (maxX - minX) * (D.width - 2 * inset)); int y2 = (int) ((y - minY) / (maxY - minY) * (D.height - 2.0 * inset)); if (isRect) { g.drawRect(inset + x1, D.height - y1 - inset, x2 - x1, y1 - y2); } else { g.drawOval(inset + x1, D.height - y1 - inset, x2 - x1, y1 - y2); } }
/** * Paint the glyphs for the given view. This is implemented to only render if the Graphics is of * type Graphics2D which is required by TextLayout (and this should be the case if running on the * JDK). */ public void paint(GlyphView v, Graphics g, Shape a, int p0, int p1) { if (g instanceof Graphics2D) { Rectangle2D alloc = a.getBounds2D(); Graphics2D g2d = (Graphics2D) g; float y = (float) alloc.getY() + layout.getAscent() + layout.getLeading(); float x = (float) alloc.getX(); if (p0 > v.getStartOffset() || p1 < v.getEndOffset()) { try { // TextLayout can't render only part of it's range, so if a // partial range is required, add a clip region. Shape s = v.modelToView(p0, Position.Bias.Forward, p1, Position.Bias.Backward, a); Shape savedClip = g.getClip(); g2d.clip(s); layout.draw(g2d, x, y); g.setClip(savedClip); } catch (BadLocationException e) { } } else { layout.draw(g2d, x, y); } } }
public void Draw(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setColor(Color.red); g2.draw(new Line2D.Double(getfirstX(), getfirstY(), getsecondX(), getsecondY())); Ellipse2D circle1 = new Ellipse2D.Double(getfirstX() - 5, getfirstY() - 5, 10, 10); Ellipse2D circle2 = new Ellipse2D.Double(getsecondX() - 5, getsecondY() - 5, 10, 10); g2.draw(circle1); g2.fill(circle1); g2.draw(circle2); g2.fill(circle2); }
private synchronized void toBuffer(int s, Object a) { a1.add(s); a2.add(a); if (s == clear) { clearBuffer(); } if (s == opaque) theOpaque = (Boolean) a; if (s == setBackground) theBackground = (Color) a; if (inBuffer) return; if (isSetter(s)) return; Graphics g = getGraphics(); if (g == null) return; Graphics2D g2 = (Graphics2D) g; g2.setPaint(origPaint); g2.setFont(origFont); g2.setStroke(origStroke); for (int i = 0; i < a1.size() - 1; i++) { int s1 = a1.get(i); Object s2 = a2.get(i); if (isSetter(s1)) doPaint(g2, s1, s2); } doPaint((Graphics2D) g, s, a); }
public void paintProbe(Graphics2D g2, int x1, int y1, int x2, int y2, double tmin, double tmax) { g2.setStroke(stroke); g2.setColor(color); int ppx = -1, ppy = -1; for (int i = 0; i < values.size(); i++) { Double v = values.get(i); if (v != null && tmax - tmin > 0.0) { double frac = (v - tmin) / (tmax - tmin); int pixY = y2 - (int) Math.round(frac * (y2 - y1)); int pixX = x1 + (int) Math.floor((double) (i + 1) / (double) (values.size() + 2)); if (ppx != -1) { g2.drawLine(ppx, ppy, pixX, pixY); } ppx = pixX; ppy = pixY; } else { ppx = ppy = -1; } } }
public static BufferedImage rotateImage(BufferedImage bi) { int w = bi.getWidth(); int h = bi.getHeight(); BufferedImage image = new BufferedImage(h, w, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); g2.setRenderingHint( RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); g2.setPaint(Color.white); // getBackground()); g2.fillRect(0, 0, h, w); g2.rotate(90 * Math.PI / 180); g2.drawImage(bi, 0, -h, w, h, null); // this); g2.dispose(); return image; }
public static BufferedImage cropImage(BufferedImage bi, int x, int y, int w, int h) { BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); g2.setRenderingHint( RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); g2.setPaint(Color.white); g2.fillRect(0, 0, w, h); g2.drawImage(bi, -x, -y, null); // this); g2.dispose(); return image; }
public static BufferedImage scaleImage(BufferedImage bi, double scale) { int w1 = (int) (Math.round(scale * bi.getWidth())); int h1 = (int) (Math.round(scale * bi.getHeight())); BufferedImage image = new BufferedImage(w1, h1, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); g2.setRenderingHint( RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); g2.setPaint(Color.white); g2.fillRect(0, 0, w1, h1); g2.drawImage(bi, 0, 0, w1, h1, null); // this); g2.dispose(); return image; }
void drawScribbles(Graphics g) { if ((scribbles == null) || (scribbles.size() == 0)) { return; } DrawObject L = (DrawObject) scribbles.get(0); int scribbleCounter = L.scribbleNum; g.setColor(scribbleColor); ((Graphics2D) g).setStroke(new BasicStroke(2f)); int prevX = L.scribbleX; int prevY = L.scribbleY; for (int i = 1; i < scribbles.size(); i++) { L = (DrawObject) scribbles.get(i); if (L.scribbleNum == scribbleCounter) { // Keep drawing. g.drawLine(prevX, prevY, L.scribbleX, L.scribbleY); prevX = L.scribbleX; prevY = L.scribbleY; } else { scribbleCounter = L.scribbleNum; prevX = L.scribbleX; prevY = L.scribbleY; } } }
public void paintComponent(Graphics g) { super.paintComponent(g); Graphics2D g2d = (Graphics2D) g; RenderingHints rh = g2d.getRenderingHints(); rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); g2d.setRenderingHints(rh); // Background. D = this.getSize(); g.setColor(backgroundColor); g.fillRect(0, 0, D.width, D.height); Graphics2D g2 = (Graphics2D) g; g2.setStroke(lineStroke); // Axes, bounding box. g.setColor(Color.gray); g.drawLine(inset, D.height - inset, D.width - inset, D.height - inset); g.drawLine(D.width - inset, inset, D.width - inset, D.height - inset); g.drawLine(inset, inset, inset, D.height - inset); g.drawLine(inset, inset, D.width - inset, inset); double xDelta = (maxX - minX) / numIntervals; // X-ticks and labels. for (int i = 1; i <= numIntervals; i++) { double xTickd = i * xDelta; int xTick = (int) (xTickd / (maxX - minX) * (D.width - 2 * inset)); g.drawLine(inset + xTick, D.height - inset - 5, inset + xTick, D.height - inset + 5); double x = minX + i * xDelta; g.drawString(df.format(x), xTick + inset - 5, D.height - inset + 20); } // Y-ticks double yDelta = (maxY - minY) / numIntervals; for (int i = 0; i < numIntervals; i++) { int yTick = (i + 1) * (int) ((D.height - 2 * inset) / (double) numIntervals); g.drawLine(inset - 5, D.height - yTick - inset, inset + 5, D.height - yTick - inset); double y = minY + (i + 1) * yDelta; g.drawString(df.format(y), 1, D.height - yTick - inset); } // Zoom+move Font savedFont = g.getFont(); g.setFont(plusFont); g.drawString("+", D.width - 25, 20); g.setFont(minusFont); g.drawString("-", D.width - 25, 50); drawArrow(g2d, D.width - 70, 20, D.width - 70, 0, 1.0f, lineStroke); // Up drawArrow(g2d, D.width - 70, 30, D.width - 70, 50, 1.0f, lineStroke); // Down drawArrow(g2d, D.width - 65, 25, D.width - 45, 25, 1.0f, lineStroke); // Right drawArrow(g2d, D.width - 75, 25, D.width - 95, 25, 1.0f, lineStroke); // Left g.setFont(savedFont); // See if standard axes are in the middle. g.setColor(Color.gray); if ((minX < 0) && (maxX > 0) && (drawMiddleAxes)) { // Draw y-axis int x = (int) ((0 - minX) / (maxX - minX) * (D.width - 2 * inset)); g.drawLine(inset + x, D.height - inset, inset + x, inset); } if ((minY < 0) && (maxY > 0) && (drawMiddleAxes)) { // Draw x-axis int y = (int) ((0 - minY) / (maxY - minY) * (D.height - 2.0 * inset)); g.drawLine(inset, D.height - y - inset, D.width - inset, D.height - y - inset); } // Draw the objects. drawObjects(g, points, lines, ovals, rectangles, images, labels, eqnLines); if (animationMode) { drawObjects(g, animPoints, animLines, animOvals, animRectangles, null, labels, eqnLines); // No images in animation mode. } drawScribbles(g); }
/** [Advanced] */ public FontRenderContext getFontRenderContext() { Graphics2D g = getG(); return g == null ? null : g.getFontRenderContext(); }
public boolean hitClip(int x, int y, int width, int height) { Graphics2D g = getG(); return g == null ? false : g.hitClip(x, y, width, height); }
/** [Advanced] */ public Object getRenderingHint(RenderingHints.Key hintKey) { Graphics2D g = getG(); return g == null ? null : g.getRenderingHint(hintKey); }
/** [Advanced] */ public RenderingHints getRenderingHints() { Graphics2D g = getG(); return g == null ? null : g.getRenderingHints(); }
public boolean hit(Rectangle rect, Shape s, boolean onStroke) { Graphics2D g = getG(); return g == null ? false : g.hit(rect, s, onStroke); }
/** [Advanced] */ public Graphics create() { Graphics2D g = getG(); return g == null ? null : g.create(); }
/** [Advanced] */ public Graphics create(int x, int y, int width, int height) { Graphics2D g = getG(); return g == null ? null : g.create(x, y, width, height); }
// also clip, transform, composite, // public boolean isOpaque(){return false;}//theOpaque!=null&&theOpaque;} // --------------------------------------------------------- private void doPaint(Graphics2D g, int s, Object o) { // process an operation from the buffer // System.out.println(s); Object o1 = null, o2 = null, o3 = null, o4 = null, o5 = null, o6 = null, o7 = null, o8 = null, o9 = null, o10 = null, o11 = null; if (o instanceof Object[]) { Object[] a = (Object[]) o; if (a.length > 0) o1 = a[0]; if (a.length > 1) o2 = a[1]; if (a.length > 2) o3 = a[2]; if (a.length > 3) o4 = a[3]; if (a.length > 4) o5 = a[4]; if (a.length > 5) o6 = a[5]; if (a.length > 6) o7 = a[6]; if (a.length > 7) o8 = a[7]; if (a.length > 8) o9 = a[8]; if (a.length > 9) o10 = a[9]; if (a.length > 10) o11 = a[10]; } switch (s) { case clear: paintBackground(g, theBackground); break; // public void addRenderingHints(Map<?,?> hints) // {toBuffer("addRenderingHints",hints );} case addRenderingHints: g.addRenderingHints((Map<?, ?>) o); break; case clip1: g.clip((Shape) o); break; case draw1: g.draw((Shape) o); break; case draw3DRect: g.draw3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5); break; case drawGlyphVector: g.drawGlyphVector((GlyphVector) o1, (Float) o2, (Float) o3); break; case drawImage1: g.drawImage((BufferedImage) o1, (BufferedImageOp) o2, (Integer) o3, (Integer) o4); break; case drawImage2: g.drawImage((Image) o1, (AffineTransform) o2, (ImageObserver) o3); break; case drawRenderableImage: g.drawRenderableImage((RenderableImage) o1, (AffineTransform) o2); break; case drawRenderedImage: g.drawRenderedImage((RenderedImage) o1, (AffineTransform) o2); break; case drawString1: g.drawString((AttributedCharacterIterator) o1, (Float) o2, (Float) o3); break; case drawString2: g.drawString((AttributedCharacterIterator) o1, (Integer) o2, (Integer) o3); break; case drawString3: g.drawString((String) o1, (Float) o2, (Float) o3); break; case drawString4: g.drawString((String) o1, (Integer) o2, (Integer) o3); break; case fill: g.fill((Shape) o); break; case fill3DRect: g.fill3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5); break; case rotate1: g.rotate((Double) o); break; case rotate2: g.rotate((Double) o1, (Double) o2, (Double) o3); break; case scale1: g.scale((Double) o1, (Double) o2); break; case setBackground: g.setBackground( (Color) o); // paintBackground(g,(Color)o); /*super.setBackground((Color)o) ;*/ break; case setComposite: g.setComposite((Composite) o); break; case setPaint: g.setPaint((Paint) o); break; case setRenderingHint: g.setRenderingHint((RenderingHints.Key) o1, o2); break; case setRenderingHints: g.setRenderingHints((Map<?, ?>) o); break; case setStroke: g.setStroke((Stroke) o); break; case setTransform: g.setTransform(makeTransform(o)); break; case shear: g.shear((Double) o1, (Double) o2); break; case transform1: g.transform(makeTransform(o)); break; case translate1: g.translate((Double) o1, (Double) o2); break; case translate2: g.translate((Integer) o1, (Integer) o2); break; case clearRect: g.clearRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case copyArea: g.copyArea( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case drawArc: g.drawArc( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case drawBytes: g.drawBytes((byte[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5); break; case drawChars: g.drawChars((char[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5); break; case drawImage4: g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (Color) o4, (ImageObserver) o5); break; case drawImage5: g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (ImageObserver) o4); break; case drawImage6: g.drawImage( (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Color) o6, (ImageObserver) o7); break; case drawImage7: g.drawImage( (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (ImageObserver) o6); break; case drawImage8: g.drawImage( (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6, (Integer) o7, (Integer) o8, (Integer) o9, (Color) o10, (ImageObserver) o11); break; case drawImage9: g.drawImage( (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6, (Integer) o7, (Integer) o8, (Integer) o9, (ImageObserver) o10); break; case drawLine: g.drawLine((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case drawOval: g.drawOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case drawPolygon1: g.drawPolygon((int[]) o1, (int[]) o2, (Integer) o3); break; case drawPolygon2: g.drawPolygon((Polygon) o); break; case drawPolyline: g.drawPolyline((int[]) o1, (int[]) o2, (Integer) o3); break; case drawRect: g.drawRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case drawRoundRect: g.drawRoundRect( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case fillArc: g.fillArc( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case fillOval: g.fillOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; // {toBuffer("fillPolygon",mkArg(xPoints, yPoints, nPoints) );} case fillPolygon1: g.fillPolygon((int[]) o1, (int[]) o2, (Integer) o3); break; case fillPolygon2: g.fillPolygon((Polygon) o); break; case fillRect: g.fillRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4); break; case fillRoundRect: g.fillRoundRect( (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6); break; case setClip1: g.setClip((Shape) o); break; case setColor: g.setColor((Color) o); break; case setFont: g.setFont((Font) o); break; case setPaintMode: g.setPaintMode(); break; case setXORMode: g.setXORMode((Color) o); break; case opaque: super.setOpaque((Boolean) o); break; case drawOutline: // g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break; { FontRenderContext frc = g.getFontRenderContext(); TextLayout tl = new TextLayout((String) o1, g.getFont(), frc); Shape s1 = tl.getOutline(null); AffineTransform af = g.getTransform(); g.translate((Integer) o2, (Integer) o3); g.draw(s1); g.setTransform(af); } ; break; default: System.out.println("Unknown image operation " + s); } }
void drawEqnLine(Graphics g, DrawObject L) { if (L == null) { return; } if ((sequencingOn) && (L.sequenceNum != currentSequenceNumDisplay)) { return; } // First, special cases: if ((L.a == 0) && (L.b == 0)) { return; } double px = 0, py = 0, qx = 0, qy = 0; double leftX = px, rightX = qx, leftY = py, rightY = qy; if (L.a == 0) { // Case 2: a=0 => horizontal line. leftX = minX; rightX = maxX; py = -L.c / L.b; qy = -L.c / L.b; if ((py < minY) || (py > maxY)) { // Cannot display. return; } leftY = rightY = py; } else if (L.b == 0) { // Case 3: b=0 => vertical line. leftX = -L.c / L.a; rightX = -L.c / L.a; leftY = minY; rightY = maxY; if ((leftX < minX) || (leftX > maxX)) { return; } } else { // Case 4: regular. // Note: the line could intersect the drawable region in weird ways. px = (-L.c - L.b * minY) / L.a; qx = (-L.c - L.b * maxY) / L.a; py = (-L.c - L.a * minX) / L.b; qy = (-L.c - L.a * maxX) / L.b; // System.out.println ("px=" + px + " qx=" + qx + " py=" + py + " qy=" + qy); // Find leftmost point to draw. if ((py >= minY) && (py <= maxY)) { // Leftmost point is on the x=minX line. leftX = minX; leftY = py; // System.out.println ("case(a): leftmost on minX-line"); } else { // Leftmost point is not on the x=minX line. // Find leftmost point intersecting with low or high if (px < qx) { leftX = px; leftY = minY; // System.out.println ("case(a.1): on minY-line"); } else { leftX = qx; leftY = maxY; // System.out.println ("case(a.2): on maxY-line"); } } // Now find rightmost point. if ((qy >= minY) && (qy <= maxY)) { // Rightmost point is on the x=maxX line. rightX = maxX; rightY = qy; // System.out.println ("case(b): rightmost on maxX-line"); } else { if (px > qx) { rightX = px; rightY = minY; // System.out.println ("case(b.1): rightmost on minY-line"); } else { rightX = qx; rightY = maxY; // System.out.println ("case(b.1): rightmost on maxY-line"); } } } // System.out.println ("left:(" + leftX + "," + leftY + ") right:(" + rightX + "," + rightY + // ")"); int x1 = (int) ((leftX - minX) / (maxX - minX) * (D.width - 2 * inset)); int y1 = (int) ((leftY - minY) / (maxY - minY) * (D.height - 2.0 * inset)); int x2 = (int) ((rightX - minX) / (maxX - minX) * (D.width - 2 * inset)); int y2 = (int) ((rightY - minY) / (maxY - minY) * (D.height - 2.0 * inset)); Graphics2D g2 = (Graphics2D) g; g2.setStroke(L.drawStroke); g.drawLine(inset + x1, D.height - y1 - inset, inset + x2, D.height - y2 - inset); }
public void paintComponent(Graphics g) { Graphics2D g2d = (Graphics2D) g; g2d.drawImage(fondo, 0, 0, null); }
/** [Advanced] */ public void dispose() { Graphics2D g = getG(); if (g != null) g.dispose(); }