/** * Zoom, preserving the center point on the screen. (When we draw, the center point may be moved * in order to maximize the amount of image seen on screen.) * */ void adjustZoom(double z, Point2D cp) { if (cp == null) cp = new Point2D.Double(getWidth() / 2, getHeight() / 2); Point2D cxt = componentToImage(cp); double tx = cp.getX() - cxt.getX() * z; double ty = cp.getY() - cxt.getY() * z; t = new AffineTransform(); t.translate(tx, ty); t.scale(z, z); fit = false; repaint(); }
public void drawGame() { StdDraw.clear(StdDraw.GRAY); // Set Color StdDraw.setPenColor(StdDraw.YELLOW); // Set Font setFont(new Font("SansSerif", Font.PLAIN, 32)); // X, Y, String, rotation degree // Write String this.text(1 - 0.3, 1 - 0.1, blockP.x + ", " + blockP.y, 0); // Set Color StdDraw.setPenColor(StdDraw.ORANGE); // Set Font setFont(new Font("SansSerif", Font.PLAIN, 50)); // Write String this.text(1 - 0.3, 1 - 0.3, "START!", 20); StdDraw.setPenColor(StdDraw.BLACK); for (int i = 0; i < map.length; i++) { for (int j = 0; j < map[i].length; j++) { if (map[i][j] > 0) { Point2D vLoc = map2Visual(i, j); System.out.println(i + ", " + j + ", " + vLoc); StdDraw.filledCircle(vLoc.getX(), vLoc.getY(), radius); } } } }
public synchronized void paint(Graphics gin) { Graphics2D g = (Graphics2D) gin; if (im == null) return; int height = getHeight(); int width = getWidth(); if (fit) { t = new AffineTransform(); double scale = Math.min(((double) width) / im.getWidth(), ((double) height) / im.getHeight()); // we'll re-center the transform in a moment. t.scale(scale, scale); } // if the image (in either X or Y) is smaller than the view port, then center // the image with respect to that axis. double mwidth = im.getWidth() * t.getScaleX(); double mheight = im.getHeight() * t.getScaleY(); if (mwidth < width) t.preConcatenate( AffineTransform.getTranslateInstance((width - mwidth) / 2.0 - t.getTranslateX(), 0)); if (mheight < height) t.preConcatenate( AffineTransform.getTranslateInstance(0, (height - mheight) / 2.0 - t.getTranslateY())); // if we're allowing panning (because only a portion of the image is visible), // don't allow translations that show less information that is possible. Point2D topleft = t.transform(new Point2D.Double(0, 0), null); Point2D bottomright = t.transform(new Point2D.Double(im.getWidth(), im.getHeight()), null); if (mwidth > width) { if (topleft.getX() > 0) t.preConcatenate(AffineTransform.getTranslateInstance(-topleft.getX(), 0)); if (bottomright.getX() < width) t.preConcatenate(AffineTransform.getTranslateInstance(width - bottomright.getX(), 0)); // t.translate(width-bottomright.getX(), 0); } if (mheight > height) { if (topleft.getY() > 0) t.preConcatenate(AffineTransform.getTranslateInstance(0, -topleft.getY())); if (bottomright.getY() < height) t.preConcatenate(AffineTransform.getTranslateInstance(0, height - bottomright.getY())); } g.drawImage(im, t, null); }
/** * hits a point to add them in active object queue. * * @param a_single when it is true, the method returns after finding the first hit. */ public boolean hit(Point2D a_point, boolean a_isAppend, boolean a_isSelectOnlyOne) { if (a_point == null) { return false; } // if Rectangle2D rect = new Rectangle2D.Double(a_point.getX(), a_point.getY(), 1.0, 1.0); return hit(rect, a_isAppend, a_isSelectOnlyOne); }
@Override public void paintIcon(Component c, Graphics g, int x, int y) { Graphics2D g2 = (Graphics2D) g.create(); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.translate(x, y); g2.setStroke(new BasicStroke(BORDER_WIDTH)); g2.setPaint(LINE_COLOR); g2.draw(BORDER); g2.setStroke(new BasicStroke(SLIT_WIDTH)); g2.setColor(UIManager.getColor("Panel.background")); int n = SLIT_NUM + 1; int v = ICON_SIZE / n; int m = n * v; for (int i = 1; i < n; i++) { int a = i * v; g2.drawLine(a, 0, a, m); g2.drawLine(0, a, m, a); } // g2.drawLine(1 * v, 0 * v, 1 * v, 4 * v); // g2.drawLine(2 * v, 0 * v, 2 * v, 4 * v); // g2.drawLine(3 * v, 0 * v, 3 * v, 4 * v); // g2.drawLine(0 * v, 1 * v, 4 * v, 1 * v); // g2.drawLine(0 * v, 2 * v, 4 * v, 2 * v); // g2.drawLine(0 * v, 3 * v, 4 * v, 3 * v); g2.setPaint(LINE_COLOR); Rectangle2D b = ARROW.getBounds(); Point2D p = new Point2D.Double(b.getX() + b.getWidth() / 2d, b.getY() + b.getHeight() / 2d); AffineTransform toCenterAT = AffineTransform.getTranslateInstance(ICON_SIZE / 2d - p.getX(), ICON_SIZE / 2d - p.getY()); g2.fill(toCenterAT.createTransformedShape(ARROW)); g2.dispose(); }