public ImagePanel(Kdu_coords viewSize) throws KduException { int width = Math.min(viewSize.Get_x(), 1600); int height = Math.min(viewSize.Get_y(), 1200); setPreferredSize(new Dimension(width, height)); getInputMap().put(KeyStroke.getKeyStroke("UP"), "pressedUpArrow"); getActionMap() .put( "pressedUpArrow", new AbstractAction() { public void actionPerformed(ActionEvent evt) { // placeholder } }); getInputMap().put(KeyStroke.getKeyStroke("DOWN"), "pressedDownArrow"); getActionMap() .put( "pressedDownArrow", new AbstractAction() { public void actionPerformed(ActionEvent evt) { // placeholder } }); }
public void printLoop(int n, float x[], float y[]) { // Need to swap the y component Polygon P = new Polygon(); for (int i = 0; i < n; i++) P.addPoint(Math.round(x[i]), Math.round(height - y[i])); poly_draw.add(P); poly_draw_color.add(curColor); }
/** * Reads image meta data. * * @param oimage * @return */ public static Map<String, String> readImageData(IIOImage oimage) { Map<String, String> dict = new HashMap<String, String>(); IIOMetadata imageMetadata = oimage.getMetadata(); if (imageMetadata != null) { IIOMetadataNode dimNode = (IIOMetadataNode) imageMetadata.getAsTree("javax_imageio_1.0"); NodeList nodes = dimNode.getElementsByTagName("HorizontalPixelSize"); int dpiX; if (nodes.getLength() > 0) { float dpcWidth = Float.parseFloat(nodes.item(0).getAttributes().item(0).getNodeValue()); dpiX = (int) Math.round(25.4f / dpcWidth); } else { dpiX = Toolkit.getDefaultToolkit().getScreenResolution(); } dict.put("dpiX", String.valueOf(dpiX)); nodes = dimNode.getElementsByTagName("VerticalPixelSize"); int dpiY; if (nodes.getLength() > 0) { float dpcHeight = Float.parseFloat(nodes.item(0).getAttributes().item(0).getNodeValue()); dpiY = (int) Math.round(25.4f / dpcHeight); } else { dpiY = Toolkit.getDefaultToolkit().getScreenResolution(); } dict.put("dpiY", String.valueOf(dpiY)); } return dict; }
public void fitSpline(int evaluationPoints) { if (xpf == null) { xpf = toFloat(xp); ypf = toFloat(yp); subPixel = true; } if (xSpline == null || splinePoints != evaluationPoints) { splinePoints = evaluationPoints; xSpline = new float[splinePoints]; ySpline = new float[splinePoints]; } int nNodes = nPoints; if (type == POLYGON) { nNodes++; if (nNodes >= xpf.length) enlargeArrays(); xpf[nNodes - 1] = xpf[0]; ypf[nNodes - 1] = ypf[0]; } float[] xindex = new float[nNodes]; for (int i = 0; i < nNodes; i++) xindex[i] = i; SplineFitter sfx = new SplineFitter(xindex, xpf, nNodes); SplineFitter sfy = new SplineFitter(xindex, ypf, nNodes); // Evaluate the splines at all points double scale = (double) (nNodes - 1) / (splinePoints - 1); float xs = 0f, ys = 0f; float xmin = Float.MAX_VALUE, xmax = -xmin, ymin = xmin, ymax = xmax; for (int i = 0; i < splinePoints; i++) { double xvalue = i * scale; xs = (float) sfx.evalSpline(xindex, xpf, nNodes, xvalue); if (xs < xmin) xmin = xs; if (xs > xmax) xmax = xs; xSpline[i] = xs; ys = (float) sfy.evalSpline(xindex, ypf, nNodes, xvalue); if (ys < ymin) ymin = ys; if (ys > ymax) ymax = ys; ySpline[i] = ys; } int ixmin = (int) Math.floor(xmin + 0.5f); int ixmax = (int) Math.floor(xmax + 0.5f); int iymin = (int) Math.floor(ymin + 0.5f); int iymax = (int) Math.floor(ymax + 0.5f); if (ixmin != 0) { for (int i = 0; i < nPoints; i++) xpf[i] -= ixmin; for (int i = 0; i < splinePoints; i++) xSpline[i] -= ixmin; } if (iymin != 0) { for (int i = 0; i < nPoints; i++) ypf[i] -= iymin; for (int i = 0; i < splinePoints; i++) ySpline[i] -= iymin; } x += ixmin; y += iymin; width = ixmax - ixmin; height = iymax - iymin; bounds = null; cachedMask = null; // update protected xp and yp arrays for backward compatibility xp = toInt(xpf, xp, nPoints); yp = toInt(ypf, yp, nPoints); }
public double cval(double td) { if (td == 0) return (1.0); else if ((td < -sz) || (td > sz)) return (0.0); double tdp = td * Math.PI; double wtdp = tdp / sz; return ((Math.sin(tdp) / tdp) * (Math.sin(wtdp) / wtdp)); }
/** @param override true if should kill even if invulerable, false if not */ public void kill(boolean override) { if (!override) { if (star || invulerable || piped) return; } deathPos.setLocation(pos); if (deathPos.y < 0) { deathPos.y = 0; } if (metal) { metal = false; startInvulnerable(); invulerableTime = 3000 / 15; Point2D.Double v = new Point2D.Double(Math.random() * 8 - 4, Math.random() * 4 + 7); TMetalCap cap = new TMetalCap(); cap.setPos(pos.x, pos.y); cap.kill(v); this.addSpawn(cap); return; } cape = false; dead = true; numBullets = 0; falling = false; acc = new Point2D.Double(); vel = new Point2D.Double(); deadTime = 25; }
public void method352( int i, int j, int ai[], int k, int ai1[], int i1, int j1, int k1, int l1, int i2) { try { int j2 = -l1 / 2; int k2 = -i / 2; int l2 = (int) (Math.sin((double) j / 326.11000000000001D) * 65536D); int i3 = (int) (Math.cos((double) j / 326.11000000000001D) * 65536D); l2 = l2 * k >> 8; i3 = i3 * k >> 8; int j3 = (i2 << 16) + (k2 * l2 + j2 * i3); int k3 = (i1 << 16) + (k2 * i3 - j2 * l2); int l3 = k1 + j1 * DrawingArea.width; for (j1 = 0; j1 < i; j1++) { int i4 = ai1[j1]; int j4 = l3 + i4; int k4 = j3 + i3 * i4; int l4 = k3 - l2 * i4; for (k1 = -ai[j1]; k1 < 0; k1++) { DrawingArea.pixels[j4++] = myPixels[(k4 >> 16) + (l4 >> 16) * myWidth]; k4 += i3; l4 -= l2; } j3 += l2; k3 += i3; l3 += DrawingArea.width; } } catch (Exception _ex) { } }
public double getHu2(int region) { double eta20 = this.getEta(region, 2, 0); double eta02 = this.getEta(region, 0, 2); double eta11 = this.getEta(region, 1, 1); return Math.pow(eta20 - eta02, 2) + Math.pow(2 * eta11, 2); }
/** Returns the supported cursor size */ static Dimension getBestCursorSize(int preferredWidth, int preferredHeight) { // Fix for bug 4212593 The Toolkit.createCustomCursor does not // check absence of the image of cursor // We use XQueryBestCursor which accepts unsigned ints to obtain // the largest cursor size that could be dislpayed // Dimension d = new Dimension(Math.abs(preferredWidth), Math.abs(preferredHeight)); Dimension d; XToolkit.awtLock(); try { long display = XToolkit.getDisplay(); long root_window = XlibWrapper.RootWindow(display, XlibWrapper.DefaultScreen(display)); XlibWrapper.XQueryBestCursor( display, root_window, Math.abs(preferredWidth), Math.abs(preferredHeight), XlibWrapper.larg1, XlibWrapper.larg2); d = new Dimension( XlibWrapper.unsafe.getInt(XlibWrapper.larg1), XlibWrapper.unsafe.getInt(XlibWrapper.larg2)); } finally { XToolkit.awtUnlock(); } return d; }
/** * Writes the <code>shape</code>, <code>coords</code>, <code>href</code>, * <code>nohref</code> Attribute for the specified figure and ellipse. * * @return Returns true, if the circle is inside of the image bounds. */ private boolean writeCircleAttributes(IXMLElement elem, SVGFigure f, Ellipse2D.Double ellipse) { AffineTransform t = TRANSFORM.getClone(f); if (t == null) { t = drawingTransform; } else { t.preConcatenate(drawingTransform); } if ((t.getType() & (AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) == t.getType() && ellipse.width == ellipse.height ) { Point2D.Double start = new Point2D.Double(ellipse.x, ellipse.y); Point2D.Double end = new Point2D.Double(ellipse.x + ellipse.width, ellipse.y + ellipse.height); t.transform(start, start); t.transform(end, end); ellipse.x = Math.min(start.x, end.x); ellipse.y = Math.min(start.y, end.y); ellipse.width = Math.abs(start.x - end.x); ellipse.height = Math.abs(start.y - end.y); elem.setAttribute("shape", "circle"); elem.setAttribute("coords", (int) (ellipse.x + ellipse.width / 2d)+","+ (int) (ellipse.y + ellipse.height / 2d)+","+ (int) (ellipse.width / 2d) ); writeHrefAttribute(elem, f); return bounds.intersects(ellipse.getBounds()); } else { return writePolyAttributes(elem, f, (Shape) ellipse); } }
/** * Write the given text string in the current font, centered on (x, y) and rotated by the * specified number of degrees * * @param x the center x-coordinate of the text * @param y the center y-coordinate of the text * @param s the text * @param degrees is the number of degrees to rotate counterclockwise */ public static void text(double x, double y, String s, double degrees) { double xs = scaleX(x); double ys = scaleY(y); offscreen.rotate(Math.toRadians(-degrees), xs, ys); text(x, y, s); offscreen.rotate(Math.toRadians(+degrees), xs, ys); }
/** * Spawn a character on the map * * @param MiX Minimum X value * @param MiY Minimum Y value * @param MaX Maximum X value * @param MaY Maximum Y value */ public void Spawn(int MiX, int MiY, int MaX, int MaY) { double Nx = 0, Ny = 0; // Random coordinate Nx = Math.random() * MaX + MiX; Ny = Math.random() * MaY + MiY; // Store block number int BNum = MAP.elementAt(0).getBlockNum(Nx + W / 2, Ny + H / 2); // if invalid block number if (BNum == -1) { Spawn(MiX, MiY, MaX, MaY); } // if invalid surface else if (!isValidSurface(MAP.elementAt(0).Fill[BNum])) { Spawn(MiX, MiY, MaX, MaY); } // if colliding with something else if (this.Collision(Nx + W / 2, Ny + H / 2)) { Spawn(MiX, MiY, MaX, MaY); } else { X = Nx; Y = Ny; } }
public int filterRGB(int x, int y, int rgb) { int r = ((rgb >> 16) & 0xff); int g = ((rgb >> 8) & 0xff); int b = (rgb & 0xff); int gray = Math.max(Math.max(r, g), b); return (rgb & 0xff000000) | (gray << 16) | (gray << 8) | (gray << 0); }
/** Frees memory by deleting a few slices from the end of the stack. */ public void trim() { int n = (int) Math.round(Math.log(nSlices) + 1.0); for (int i = 0; i < n; i++) { deleteLastSlice(); System.gc(); } }
public static WritableRaster glowmask(Raster img) { Coord sz = imgsz(img); int nb = img.getNumBands(); WritableRaster ret = alpharaster(sz); float[] hsv = new float[3]; float max = 0; for (int y = 0; y < sz.y; y++) { for (int x = 0; x < sz.x; x++) { Color.RGBtoHSB(img.getSample(x, y, 0), img.getSample(x, y, 1), img.getSample(x, y, 2), hsv); float a = (nb > 3) ? (img.getSample(x, y, 3) / 255f) : 1f; float val = ((1f - hsv[1]) * hsv[2]) * a; max = Math.max(max, val); } } float imax = 1f / max; for (int y = 0; y < sz.y; y++) { for (int x = 0; x < sz.x; x++) { Color.RGBtoHSB(img.getSample(x, y, 0), img.getSample(x, y, 1), img.getSample(x, y, 2), hsv); float a = (nb > 3) ? (img.getSample(x, y, 3) / 255f) : 1f; float val = ((1f - hsv[1]) * hsv[2]) * a; ret.setSample(x, y, 0, Math.min(Math.max((int) (Math.sqrt(val * imax) * 255), 0), 255)); } } return (ret); }
private void spawnRandomers() { for (int i = 0; i < randomN; i++) { float x = (float) Math.random() * width; float y = (float) Math.random() * height; float r = (float) Math.sqrt( Math.pow(((Player) players.get(0)).getX() - x, 2) + Math.pow(((Player) players.get(0)).getY() - x, 2)); while (r < distanceLimit) { x = (float) Math.random() * width; y = (float) Math.random() * height; r = (float) Math.sqrt( Math.pow(((Player) players.get(0)).getX() - x, 2) + Math.pow(((Player) players.get(0)).getY() - y, 2)); } enemies.add(new EnemyTypes.Random(x, y, 0.5f, borders)); } spawnRandomersB = false; }
public BufferedImage filter(BufferedImage src, BufferedImage dst) { if (dst == null) dst = createCompatibleDestImage(src, null); int width = src.getWidth(); int height = src.getHeight(); int numScratches = (int) (density * width * height / 100); ArrayList<Line2D> lines = new ArrayList<Line2D>(); { float l = length * width; Random random = new Random(seed); Graphics2D g = dst.createGraphics(); g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(new Color(color)); g.setStroke(new BasicStroke(this.width)); for (int i = 0; i < numScratches; i++) { float x = width * random.nextFloat(); float y = height * random.nextFloat(); float a = angle + ImageMath.TWO_PI * (angleVariation * (random.nextFloat() - 0.5f)); float s = (float) Math.sin(a) * l; float c = (float) Math.cos(a) * l; float x1 = x - c; float y1 = y - s; float x2 = x + c; float y2 = y + s; g.drawLine((int) x1, (int) y1, (int) x2, (int) y2); lines.add(new Line2D.Float(x1, y1, x2, y2)); } g.dispose(); } if (false) { // int[] inPixels = getRGB( src, 0, 0, width, height, null ); int[] inPixels = new int[width * height]; int index = 0; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) { float sx = x, sy = y; for (int i = 0; i < numScratches; i++) { Line2D.Float l = (Line2D.Float) lines.get(i); float dot = (l.x2 - l.x1) * (sx - l.x1) + (l.y2 - l.y1) * (sy - l.y1); if (dot > 0) inPixels[index] |= (1 << i); } index++; } } Colormap colormap = new LinearColormap(); index = 0; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) { float f = (float) (inPixels[index] & 0x7fffffff) / 0x7fffffff; inPixels[index] = colormap.getColor(f); index++; } } setRGB(dst, 0, 0, width, height, inPixels); } return dst; }
private void initialize() { sinTable = new float[256]; cosTable = new float[256]; for (int i = 0; i < 256; i++) { float angle = ImageMath.TWO_PI * i / 256f * turbulence; sinTable[i] = (float) (-yScale * Math.sin(angle)); cosTable[i] = (float) (yScale * Math.cos(angle)); } }
/** * Find the distance between two characters * * @param Targ Target character * @return distance */ public double Dist(GameObject Targ) { // find x squared and y squared double dx = Math.pow(((X + W / 2 * GROWTHFACTOR) - (Targ.X + Targ.W / 2 * Targ.GROWTHFACTOR)), 2); double dy = Math.pow(((Y + H / 2 * GROWTHFACTOR) - (Targ.Y + Targ.H / 2 * Targ.GROWTHFACTOR)), 2); // find distance return (Math.sqrt(dx + dy)); }
void ajustarYCentrar(JComponent porAjustar, JComponent ajustador) { // Se agregan 30 de alto y 6 de ancho por adornos de la ventana porAjustar.setSize( ajustador.getMinimumSize().getSize().width + 16, ajustador.getMinimumSize().getSize().height + 44); int x = Math.round(Principal.sysAncho / 2) - Math.round(porAjustar.getBounds().width / 2); int y = Math.round(Principal.sysAlto / 2) - Math.round(porAjustar.getBounds().height / 2); porAjustar.setLocation(x, y); }
/** * Zooms out by making the source rectangle (srcRect) larger and centering it on (x,y). If we * can't make it larger, then make the window smaller. */ public void zoomOut(int x, int y) { if (magnification <= 0.03125) return; double oldMag = magnification; double newMag = getLowerZoomLevel(magnification); double srcRatio = (double) srcRect.width / srcRect.height; double imageRatio = (double) imageWidth / imageHeight; double initialMag = imp.getWindow().getInitialMagnification(); if (Math.abs(srcRatio - imageRatio) > 0.05) { double scale = oldMag / newMag; int newSrcWidth = (int) Math.round(srcRect.width * scale); int newSrcHeight = (int) Math.round(srcRect.height * scale); if (newSrcWidth > imageWidth) newSrcWidth = imageWidth; if (newSrcHeight > imageHeight) newSrcHeight = imageHeight; int newSrcX = srcRect.x - (newSrcWidth - srcRect.width) / 2; int newSrcY = srcRect.y - (newSrcHeight - srcRect.height) / 2; if (newSrcX < 0) newSrcX = 0; if (newSrcY < 0) newSrcY = 0; srcRect = new Rectangle(newSrcX, newSrcY, newSrcWidth, newSrcHeight); // IJ.log(newMag+" "+srcRect+" "+dstWidth+" "+dstHeight); int newDstWidth = (int) (srcRect.width * newMag); int newDstHeight = (int) (srcRect.height * newMag); setMagnification(newMag); setMaxBounds(); // IJ.log(newDstWidth+" "+dstWidth+" "+newDstHeight+" "+dstHeight); if (newDstWidth < dstWidth || newDstHeight < dstHeight) { // IJ.log("pack"); setDrawingSize(newDstWidth, newDstHeight); imp.getWindow().pack(); } else repaint(); return; } if (imageWidth * newMag > dstWidth) { int w = (int) Math.round(dstWidth / newMag); if (w * newMag < dstWidth) w++; int h = (int) Math.round(dstHeight / newMag); if (h * newMag < dstHeight) h++; x = offScreenX(x); y = offScreenY(y); Rectangle r = new Rectangle(x - w / 2, y - h / 2, w, h); if (r.x < 0) r.x = 0; if (r.y < 0) r.y = 0; if (r.x + w > imageWidth) r.x = imageWidth - w; if (r.y + h > imageHeight) r.y = imageHeight - h; srcRect = r; } else { srcRect = new Rectangle(0, 0, imageWidth, imageHeight); setDrawingSize((int) (imageWidth * newMag), (int) (imageHeight * newMag)); // setDrawingSize(dstWidth/2, dstHeight/2); imp.getWindow().pack(); } // IJ.write(newMag + " " + srcRect.x+" "+srcRect.y+" "+srcRect.width+" "+srcRect.height+" // "+dstWidth + " " + dstHeight); setMagnification(newMag); // IJ.write(srcRect.x + " " + srcRect.width + " " + dstWidth); setMaxBounds(); repaint(); }
public void paint(Graphics g) { super.paint(g); Graphics2D g2 = (Graphics2D) g; int size = Math.min( MAX_SIZE, Math.min( getWidth() - imagePadding.left - imagePadding.right, getHeight() - imagePadding.top - imagePadding.bottom)); g2.translate(getWidth() / 2 - size / 2, getHeight() / 2 - size / 2); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); Shape shape; if (mode == ColorPicker.SAT || mode == ColorPicker.BRI) { shape = new Ellipse2D.Float(0, 0, size, size); } else { Rectangle r = new Rectangle(0, 0, size, size); shape = r; } if (hasFocus()) { PaintUtils.paintFocus(g2, shape, 5); } if (!(shape instanceof Rectangle)) { // paint a circular shadow g2.translate(2, 2); g2.setColor(new Color(0, 0, 0, 20)); g2.fill(new Ellipse2D.Float(-2, -2, size + 4, size + 4)); g2.setColor(new Color(0, 0, 0, 40)); g2.fill(new Ellipse2D.Float(-1, -1, size + 2, size + 2)); g2.setColor(new Color(0, 0, 0, 80)); g2.fill(new Ellipse2D.Float(0, 0, size, size)); g2.translate(-2, -2); } g2.drawImage(image, 0, 0, size, size, 0, 0, size, size, null); if (shape instanceof Rectangle) { Rectangle r = (Rectangle) shape; PaintUtils.drawBevel(g2, r); } else { g2.setColor(new Color(0, 0, 0, 120)); g2.draw(shape); } g2.setColor(Color.white); g2.setStroke(new BasicStroke(1)); g2.draw(new Ellipse2D.Float(point.x - 3, point.y - 3, 6, 6)); g2.setColor(Color.black); g2.draw(new Ellipse2D.Float(point.x - 4, point.y - 4, 8, 8)); g.translate(-imagePadding.left, -imagePadding.top); }
public static ArthurImage multiply(ArthurImage one, ArthurImage two) { BufferedImage image = JavaImageMath.clone(one.bf); BufferedImage image2 = JavaImageMath.clone(two.bf); WritableRaster r1 = image.getRaster(); WritableRaster r2 = image2.getRaster(); int newWidth = Math.max(r1.getWidth(), r2.getWidth()); int newHeight = Math.max(r1.getHeight(), r2.getHeight()); BufferedImage collage = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_RGB); WritableRaster raster = collage.getRaster(); int[] p1 = new int[3]; int[] p2 = new int[3]; int[] pixelArray = new int[3]; for (int y = 0; y < newHeight; y++) { for (int x = 0; x < newWidth; x++) { p1 = null; p2 = null; if (x < r1.getWidth() && y < r1.getHeight()) { p1 = r1.getPixel(x, y, p1); } if (x < r2.getWidth() && y < r2.getHeight()) { p2 = r2.getPixel(x, y, p2); } for (int i = 0; i < 3; i++) { if (p1 == null && p2 == null) { pixelArray[i] = 0; } else if (p1 == null && p2 != null) { pixelArray[i] = p2[i]; } else if (p1 != null && p2 == null) { pixelArray[i] = p1[i]; } else { pixelArray[i] = (int) ((p1[i] + p2[i]) / 2); } } raster.setPixel(x, y, pixelArray); } } // save image String outputFn = one.filename.substring(0, one.filename.indexOf(".jpg")) + "X" + // filename can't contain the / or *characters; decide later two.filename.substring(0, two.filename.indexOf(".jpg")) + counter + ".jpg"; counter++; return new ArthurImage(collage, outputFn); }
public void animate(float[] pts, float[] deltas, int index, int limit) { float newpt = pts[index] + deltas[index]; if (newpt <= 0) { newpt = -newpt; deltas[index] = (float) (Math.random() * 3.0 + 2.0); } else if (newpt >= (float) limit) { newpt = 2.0f * limit - newpt; deltas[index] = -(float) (Math.random() * 3.0 + 2.0); } pts[index] = newpt; }
private static Color getColorFromPallet(int[] pallet, float x) { if (x < 0f || x > 1f) { throw new IllegalArgumentException("Parameter outside of expected range"); } int i = (int) (pallet.length * x); int max = pallet.length - 1; int index = Math.min(Math.max(i, 0), max); return new Color(pallet[index] & 0x00FFFFFF); // translucent // int pix = pallet[index] & 0x00FFFFFF | (0x64 << 24); // return new Color(pix), true); }
public void fellipse(Coord c, Coord r, int a1, int a2) { st.set(cur2d); apply(); gl.glBegin(GL.GL_TRIANGLE_FAN); vertex(c); for (int i = a1; i <= a2; i += 5) { double a = (i * Math.PI * 2) / 360.0; vertex(c.add((int) (Math.cos(a) * r.x), -(int) (Math.sin(a) * r.y))); } gl.glEnd(); checkerr(); }
private void drawAWP(Graphics g, int x, int y) { if (System.currentTimeMillis() < shotTime + TAWP.SHOOT_TIME) { // System.out.println(true); double multi = 1.0 * (System.currentTimeMillis() - shotTime) / TAWP.SHOOT_TIME; g.setColor(new Color(255, 255, 255, 255 - (int) (multi * 256))); g.fillRect(0, 0, Wuigi.screenWidth, Wuigi.screenHeight); } if (numBullets <= 0) return; BufferedImage img = TAWP.IMAGE.getBuffer(); AffineTransform xform = new AffineTransform(); // g2d.setPaint(new TexturePaint(figureOutDrawImage(), // new Rectangle2D.Float(0, 0, 32, 32))); // g2d.drawImage(figureOutDrawImage(),0,0,null); xform.setToIdentity(); xform.translate(x - 5, y); double diffY = y + height / 2 - ScreenManager.mouse.y; double diffX = ScreenManager.mouse.x - x - width / 2; double angle; if (diffY > 0 && diffX > 0) { angle = Math.PI / 2 - Math.atan(diffY / diffX); } else if (diffY == 0 && diffX > 0) { angle = Math.PI / 2; } else if (diffY < 0 && diffX > 0) { angle = Math.PI / 2 + Math.atan(-diffY / diffX); } else if (diffY < 0 && diffX == 0) { angle = Math.PI; } else if (diffY < 0 && diffX < 0) { angle = 3 * Math.PI / 2 - Math.atan(diffY / diffX); } else if (diffY == 0 && diffX < 0) { angle = 3 * Math.PI / 2; } else if (diffY > 0 && diffX < 0) { angle = 3 * Math.PI / 2 + Math.atan(-diffY / diffX); } else { angle = 0; } angle -= Math.PI / 2; if (angle > Math.PI / 2 && angle < 3 * Math.PI / 2) { xform.scale(1, -1); xform.translate(0, -TAWP.IMAGE.getHeight()); angle = -angle; } // xform.scale(/*width/img.getWidth(),height/img.getHeight()*/); xform.rotate(angle, 27, 13); ((Graphics2D) g).drawImage(img, xform, null); ammo.setPos(x + 10, y - 20); ammo.draw(g); }
public NTSCRenderer() { int hue = -512; double col_adjust = 1.2 / .707; for (int j = 0; j < 12; ++j) { float angle = (float) (Math.PI * ((hue + (j << 8)) / (12 * 128.0) - 33.0 / 180)); i_filter[j] = (float) (-col_adjust * Math.cos(angle)); q_filter[j] = (float) (col_adjust * Math.sin(angle)); } // utils.printarray(i_filter); // utils.printarray(q_filter); }
/** * Draw picture (gif, jpg, or png) centered on (x, y). * * @param x the center x-coordinate of the image * @param y the center y-coordinate of the image * @param s the name of the image/picture, e.g., "ball.gif" * @throws RuntimeException if the image is corrupt */ public static void picture(double x, double y, String s) { Image image = getImage(s); double xs = scaleX(x); double ys = scaleY(y); int ws = image.getWidth(null); int hs = image.getHeight(null); if (ws < 0 || hs < 0) throw new RuntimeException("image " + s + " is corrupt"); offscreen.drawImage( image, (int) Math.round(xs - ws / 2.0), (int) Math.round(ys - hs / 2.0), null); draw(); }
private void conicalGradient(int[] pixels, int y, int w, int h) { int off = 0; float angle0 = (float) Math.atan2(p2.x - p1.x, p2.y - p1.y); for (int x = 0; x < w; x++) { float angle = (float) (Math.atan2(x - p1.x, y - p1.y) - angle0) / (ImageMath.TWO_PI); angle += 1.0f; angle %= 1.0f; if (type == BICONICAL) angle = ImageMath.triangle(angle); int rgb = colormap.getColor(map(angle)); pixels[off] = PixelUtils.combinePixels(rgb, pixels[off], paintMode); off++; } }