java.awt.geom.AffineTransform.transform()方法的使用及代码示例

x33g5p2x  于2022-01-15 转载在 其他  
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本文整理了Java中java.awt.geom.AffineTransform.transform()方法的一些代码示例，展示了AffineTransform.transform()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。AffineTransform.transform()方法的具体详情如下：
包路径：java.awt.geom.AffineTransform
类名称：AffineTransform
方法名：transform

AffineTransform.transform介绍

暂无

代码示例

代码示例来源：origin: plantuml/plantuml

  1. private Point2D putOnCircle(Point2D p) {
  2.   p = at.transform(p, null);
  3.   final double coef = p.distance(new Point2D.Double()) / radius;
  4.   p = new Point2D.Double(p.getX() / coef, p.getY() / coef);
  5.   return at2.transform(p, null);
  6. }

代码示例来源：origin: robolectric/robolectric

  1. @Override
  2. public int currentSegment(float[] coords) {
  3.  if (isDone()) {
  4.   throw new NoSuchElementException("roundrect iterator out of bounds");
  5.  }
  6.  int nc = 0;
  7.  double ctrls[] = ctrlpts[index];
  8.  for (int i = 0; i < ctrls.length; i += 4) {
  9.   coords[nc++] = (float) (x + ctrls[i] * width + ctrls[i + 1] / 2d);
  10.   coords[nc++] = (float) (y + ctrls[i + 2] * height + ctrls[i + 3] / 2d);
  11.  }
  12.  if (at != null) {
  13.   at.transform(coords, 0, coords, 0, nc / 2);
  14.  }
  15.  return types[index];
  16. }

代码示例来源：origin: plantuml/plantuml

  1. public void rotate(double theta) {
  2.   final AffineTransform rotate = AffineTransform.getRotateInstance(theta);
  3.   for (Point2D.Double pt : all) {
  4.     rotate.transform(pt, pt);
  5.   }
  6. }

代码示例来源：origin: robolectric/robolectric

  1. @Override
  2.  public int currentSegment(double[] coords) {
  3.   if (isDone()) {
  4.    throw new NoSuchElementException("roundrect iterator out of bounds");
  5.   }
  6.   int nc = 0;
  7.   double ctrls[] = ctrlpts[index];
  8.   for (int i = 0; i < ctrls.length; i += 4) {
  9.    coords[nc++] = x + ctrls[i] * width + ctrls[i + 1] / 2d;
  10.    coords[nc++] = y + ctrls[i + 2] * height + ctrls[i + 3] / 2d;
  11.   }
  12.   if (at != null) {
  13.    at.transform(coords, 0, coords, 0, nc / 2);
  14.   }
  15.   return types[index];
  16.  }
  17. };

代码示例来源：origin: plantuml/plantuml

  1. public Point2D inflatePoint2D(Point2D point) {
  2.   return getAffineTransformAt(point).transform(point, null);
  3. }

代码示例来源：origin: plantuml/plantuml

  1. List<Line2D.Double> inflateSegmentCollection(Collection<Line2D.Double> segments) {
  2.   final List<Line2D.Double> result = new ArrayList<Line2D.Double>();
  3.   for (Line2D.Double seg : segments) {
  4.     final AffineTransform at = getAffineTransformAt(new Point2D.Double((seg.x1 + seg.x2) / 2,
  5.         (seg.y1 + seg.y2) / 2));
  6.     result.add(new Line2D.Double(at.transform(seg.getP1(), null), at.transform(seg.getP2(), null)));
  7.   }
  8.   return result;
  9. }

代码示例来源：origin: plantuml/plantuml

  1. public CircleAndArrow(Point2D p1, Point2D p2) {
  2.   this.center = new Point2D.Double((p1.getX() + p2.getX()) / 2, (p1.getY() + p2.getY()) / 2);
  3.   at = AffineTransform.getTranslateInstance(-center.getX(), -center.getY());
  4.   at2 = AffineTransform.getTranslateInstance(center.getX(), center.getY());
  5.   radius = (int) (p1.distance(p2) / 2);
  6.   if (radius % 2 == 0) {
  7.     radius--;
  8.   }
  9.   this.p1 = putOnCircle(p1);
  10.   this.p2 = putOnCircle(p2);
  11.   this.p3 = at.transform(this.p1, null);
  12.   this.p3 = new Point2D.Double(p3.getY(), -p3.getX());
  13.   this.p3 = at2.transform(p3, null);
  14.   this.p4 = at.transform(this.p2, null);
  15.   this.p4 = new Point2D.Double(p4.getY(), -p4.getX());
  16.   this.p4 = at2.transform(p4, null);
  17. }

代码示例来源：origin: plantuml/plantuml

  1. public void drawU(UGraphic ug) {
  2.   final int xWing = 4;
  3.   final AffineTransform rotate = AffineTransform.getRotateInstance(this.angle);
  4.   Point2D firstLineTop = new Point2D.Double(-xWing, -lineHeight);
  5.   Point2D firstLineBottom = new Point2D.Double(-xWing, lineHeight);
  6.   Point2D secondLineTop = new Point2D.Double(-xWing - 3, -lineHeight);
  7.   Point2D secondLineBottom = new Point2D.Double(-xWing - 3, lineHeight);
  8.   Point2D middle = new Point2D.Double(0, 0);
  9.   Point2D base = new Point2D.Double(-xWing - 4, 0);
  10.   rotate.transform(middle, middle);
  11.   rotate.transform(base, base);
  12.   rotate.transform(firstLineTop, firstLineTop);
  13.   rotate.transform(firstLineBottom, firstLineBottom);
  14.   rotate.transform(secondLineTop, secondLineTop);
  15.   rotate.transform(secondLineBottom, secondLineBottom);
  16.   drawLine(ug, contact.getX(), contact.getY(), firstLineTop, firstLineBottom);
  17.   drawLine(ug, contact.getX(), contact.getY(), secondLineTop, secondLineBottom);
  18.   drawLine(ug, contact.getX(), contact.getY(), base, middle);
  19. }

代码示例来源：origin: plantuml/plantuml

  1. public MagicPointsFactory2(Point2D.Double p1, Point2D.Double p2) {
  2.   this.p1 = p1;
  3.   this.p2 = p2;
  4.   final double dx = p2.x - p1.x;
  5.   final double dy = p2.y - p1.y;
  6.   final int interv = 5;
  7.   final int intervAngle = 10;
  8.   final double theta = Math.PI * 2 / intervAngle;
  9.   for (int a = 0; a < 10; a++) {
  10.     final AffineTransform at = AffineTransform.getRotateInstance(theta * a, p1.x, p1.y);
  11.     for (int i = 0; i < interv * 2; i++) {
  12.       final Point2D.Double p = new Point2D.Double(p1.x + dx * i / interv, p1.y + dy * i / interv);
  13.       result.add((Point2D.Double) at.transform(p, null));
  14.     }
  15.   }
  16. }

代码示例来源：origin: plantuml/plantuml

  1. public USegment rotate(double theta) {
  2.   if (coord.length != 2) {
  3.     throw new UnsupportedOperationException();
  4.   }
  5.   Point2D p1 = new Point2D.Double(coord[0], coord[1]);
  6.   final AffineTransform rotate = AffineTransform.getRotateInstance(theta);
  7.   rotate.transform(p1, p1);
  8.   return new USegment(new double[] { p1.getX(), p1.getY() }, pathType);
  9. }

代码示例来源：origin: plantuml/plantuml

  1. public void drawU(UGraphic ug) {
  2.   
  3.   final int xWing = 8;
  4.   final int yAperture = 6;
  5.   final AffineTransform rotate = AffineTransform.getRotateInstance(this.angle);
  6.   Point2D middle = new Point2D.Double(0, 0);
  7.   Point2D left = new Point2D.Double(0, -yAperture);
  8.   Point2D base = new Point2D.Double(-xWing, 0);
  9.   Point2D lineTop = new Point2D.Double(-xWing-2, -lineHeight);
  10.   Point2D lineBottom = new Point2D.Double(-xWing-2, lineHeight);
  11.   Point2D right = new Point2D.Double(0, yAperture);
  12.   rotate.transform(left, left);
  13.   rotate.transform(base, base);
  14.   rotate.transform(right, right);
  15.   rotate.transform(lineTop, lineTop);
  16.   rotate.transform(lineBottom, lineBottom);
  17.   drawLine(ug, contact.getX(), contact.getY(), base, left);
  18.   drawLine(ug, contact.getX(), contact.getY(), base, right);
  19.   drawLine(ug, contact.getX(), contact.getY(), base, middle);
  20.   drawLine(ug, contact.getX(), contact.getY(), lineTop, lineBottom);
  21. }

代码示例来源：origin: plantuml/plantuml

  1. public void drawU(UGraphic ug) {
  2.   final int xWing = 4;
  3.   final AffineTransform rotate = AffineTransform.getRotateInstance(this.angle);
  4.   Point2D middle = new Point2D.Double(0, 0);
  5.   Point2D base = new Point2D.Double(-xWing-radius-3, 0);
  6.   Point2D circleBase = new Point2D.Double(-xWing-radius-3, 0);
  7.   Point2D lineTop = new Point2D.Double(-xWing, -lineHeight);
  8.   Point2D lineBottom = new Point2D.Double(-xWing, lineHeight);
  9.   rotate.transform(lineTop, lineTop);
  10.   rotate.transform(lineBottom, lineBottom);
  11.   rotate.transform(base, base);
  12.   rotate.transform(circleBase, circleBase);
  13.   drawLine(ug, contact.getX(), contact.getY(), base, middle);
  14.   ug.apply(new UTranslate(contact.getX()+circleBase.getX()-radius, contact.getY()+circleBase.getY()-radius)).draw(new UEllipse(2*radius, 2*radius));
  15.   drawLine(ug, contact.getX(), contact.getY(), lineTop, lineBottom);
  16. }

代码示例来源：origin: plantuml/plantuml

  1. public void drawU(UGraphic ug) {
  2.   final int xWing = 8;
  3.   final int yAperture = 8;
  4.   final AffineTransform rotate = AffineTransform.getRotateInstance(this.angle);
  5.   Point2D middle = new Point2D.Double(0, 0);
  6.   Point2D left = new Point2D.Double(0, -yAperture);
  7.   Point2D base = new Point2D.Double(-xWing, 0);
  8.   Point2D right = new Point2D.Double(0, yAperture);
  9.   rotate.transform(left, left);
  10.   rotate.transform(base, base);
  11.   rotate.transform(right, right);
  12.   if (side == Side.WEST || side == Side.EAST) {
  13.     left.setLocation(middle.getX(), left.getY());
  14.     right.setLocation(middle.getX(), right.getY());
  15.   }
  16.   if (side == Side.SOUTH || side == Side.NORTH) {
  17.     left.setLocation(left.getX(), middle.getY());
  18.     right.setLocation(right.getX(), middle.getY());
  19.   }
  20.   drawLine(ug, contact.getX(), contact.getY(), base, left);
  21.   drawLine(ug, contact.getX(), contact.getY(), base, right);
  22.   drawLine(ug, contact.getX(), contact.getY(), base, middle);
  23. }

代码示例来源：origin: plantuml/plantuml

  1. public void drawU(UGraphic ug) {
  2.   final int xWing = 8;
  3.   final int yAperture = 6;
  4.   final AffineTransform rotate = AffineTransform.getRotateInstance(this.angle);
  5.   Point2D middle = new Point2D.Double(0, 0);
  6.   Point2D left = new Point2D.Double(0, -yAperture);
  7.   Point2D base = new Point2D.Double(-xWing, 0);
  8.   Point2D right = new Point2D.Double(0, yAperture);
  9.   Point2D circleBase = new Point2D.Double(-xWing-radius-2, 0);
  10.   rotate.transform(left, left);
  11.   rotate.transform(base, base);
  12.   rotate.transform(right, right);
  13.   rotate.transform(circleBase, circleBase);
  14.   drawLine(ug, contact.getX(), contact.getY(), base, left);
  15.   drawLine(ug, contact.getX(), contact.getY(), base, right);
  16.   drawLine(ug, contact.getX(), contact.getY(), base, middle);
  17.   ug.apply(new UTranslate(contact.getX()+circleBase.getX()-radius, contact.getY()+circleBase.getY()-radius)).draw(new UEllipse(2*radius, 2*radius));
  18. }

代码示例来源：origin: plantuml/plantuml

  1. public MinMax getMinMax(Dimension2D rect) {
  2.   MinMax result = MinMax.getEmpty(false);
  3.   final AffineTransform tmp = getAffineTransform(rect);
  4.   result = result.addPoint(tmp.transform(new Point2D.Double(0, 0), null));
  5.   result = result.addPoint(tmp.transform(new Point2D.Double(0, rect.getHeight()), null));
  6.   result = result.addPoint(tmp.transform(new Point2D.Double(rect.getWidth(), 0), null));
  7.   result = result.addPoint(tmp.transform(new Point2D.Double(rect.getWidth(), rect.getHeight()), null));
  8.   return result;
  9. }

代码示例来源：origin: org.apache.poi/poi

  1. @SuppressWarnings("WeakerAccess")
  2.   protected Paint createLinearGradientPaint(GradientPaint fill, Graphics2D graphics) {
  3.     // TODO: we need to find the two points for gradient - the problem is, which point at the outline
  4.     // do you take? My solution would be to apply the gradient rotation to the shape in reverse
  5.     // and then scan the shape for the largest possible horizontal distance
  7.     double angle = fill.getGradientAngle();
  8.     if (!fill.isRotatedWithShape()) {
  9.       angle -= shape.getRotation();
  10.     }
  12.     Rectangle2D anchor = DrawShape.getAnchor(graphics, shape);
  14.     AffineTransform at = AffineTransform.getRotateInstance(Math.toRadians(angle), anchor.getCenterX(), anchor.getCenterY());
  16.     double diagonal = Math.sqrt(Math.pow(anchor.getWidth(),2) + Math.pow(anchor.getHeight(),2));
  17.     final Point2D p1 = at.transform(new Point2D.Double(anchor.getCenterX() - diagonal / 2, anchor.getCenterY()), null);
  18.     final Point2D p2 = at.transform(new Point2D.Double(anchor.getMaxX(), anchor.getCenterY()), null);
  20. //        snapToAnchor(p1, anchor);
  21. //        snapToAnchor(p2, anchor);
  23.     // gradient paint on the same point throws an exception ... and doesn't make sense
  24.     return (p1.equals(p2)) ? null : safeFractions((f,c)->new LinearGradientPaint(p1,p2,f,c), fill);
  25.   }

代码示例来源：origin: org.apache.poi/poi-ooxml

  1. at.transform(pts, 0, pts, 0, 3);

代码示例来源：origin: plantuml/plantuml

  1. before.transform(pos, pos);

代码示例来源：origin: apache/pdfbox

  1. @Override
  2. public float getWidthFromFont(int code) throws IOException
  3. {
  4.   String name = codeToName(code);
  5.   float width = genericFont.getWidth(name);
  6.   Point2D p = new Point2D.Float(width, 0);
  7.   fontMatrixTransform.transform(p, p);
  8.   return (float)p.getX();
  9. }

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * Transforms a point using the CTM.
  3.  */
  4. public Point2D.Float transformedPoint(float x, float y)
  5. {
  6.   float[] position = { x, y };
  7.   getGraphicsState().getCurrentTransformationMatrix().createAffineTransform()
  8.       .transform(position, 0, position, 0, 1);
  9.   return new Point2D.Float(position[0], position[1]);
  10. }

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