本文整理了Java中java.awt.geom.AffineTransform.isIdentity()方法的一些代码示例，展示了AffineTransform.isIdentity()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.isIdentity()方法的具体详情如下：
包路径：java.awt.geom.AffineTransform
类名称：AffineTransform
方法名：isIdentity

AffineTransform.isIdentity介绍

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代码示例

代码示例来源：origin: org.apache.poi/poi

public static Rectangle2D getAnchor(Graphics2D graphics, Rectangle2D anchor) {
  if(graphics == null)  {
    return anchor;
  }
  AffineTransform tx = (AffineTransform)graphics.getRenderingHint(Drawable.GROUP_TRANSFORM);
  if(tx != null && !tx.isIdentity() && tx.createTransformedShape(anchor) != null) {
    anchor = tx.createTransformedShape(anchor).getBounds2D();
  }
  return anchor;
}

代码示例来源：origin: org.apache.poi/poi

if (tx.isIdentity()) {
  return normalizedShape;

代码示例来源：origin: geotools/geotools

/**
 * Creates a transform for the specified matrix as a Java2D object. This method is provided for
 * interoperability with <A
 * HREF="http://java.sun.com/products/java-media/2D/index.jsp">Java2D</A>.
 *
 * @param matrix The affine transform as a matrix.
 * @return The transform for the given matrix.
 */
public static LinearTransform create(final AffineTransform matrix) {
  if (matrix.isIdentity()) {
    return IdentityTransform.create(2);
  }
  return new AffineTransform2D(matrix);
}

代码示例来源：origin: geotools/geotools

/**
 * Returns an iterator object that iterates along the <code>Shape</code> boundary and provides
 * access to the geometry of the <code>Shape</code> outline.
 */
public PathIterator getPathIterator(AffineTransform at) {
  if (!isIdentity()) {
    if (at == null || at.isIdentity()) {
      return shape.getPathIterator(this);
    }
    at = new AffineTransform(at);
    at.concatenate(this);
  }
  return shape.getPathIterator(at);
}

代码示例来源：origin: geotools/geotools

/**
 * Returns an iterator object that iterates along the <code>Shape</code> boundary and provides
 * access to a flattened view of the <code>Shape</code> outline geometry.
 */
public PathIterator getPathIterator(AffineTransform at, final double flatness) {
  if (!isIdentity()) {
    if (at == null || at.isIdentity()) {
      return shape.getPathIterator(this, flatness);
    }
    at = new AffineTransform(at);
    at.concatenate(this);
  }
  return shape.getPathIterator(at, flatness);
}

代码示例来源：origin: geotools/geotools

/** Returns a {@link ROI} object based on the input {@link RenderedImage} representing ROI */
public static ROI scaleROI(RenderedImage roiRaster, Rectangle bounds) {
  if (roiRaster == null) {
    return null;
  }
  int x = bounds.x;
  int y = bounds.y;
  int w = bounds.width;
  int h = bounds.height;
  // Scale factors for input data
  final double scaleX = w / (1.0 * roiRaster.getWidth());
  final double scaleY = h / (1.0 * roiRaster.getHeight());
  AffineTransform tr = AffineTransform.getScaleInstance(scaleX, scaleY);
  // Translation Factors
  final int transX = x;
  final int transY = y;
  tr.concatenate(AffineTransform.getTranslateInstance(transX, transY));
  // Log the Scale/Translate operation
  if (!tr.isIdentity()) {
    LOGGER.fine("Scaling ROI");
  }
  // Input Mask is scaled to the image size, rescaled to Bytes and then used as ROI
  return new ImageWorker(roiRaster).affine(tr, null, null).binarize(1).getImageAsROI();
}

代码示例来源：origin: geotools/geotools

if (tr.isIdentity()) {
  return true;

代码示例来源：origin: geotools/geotools

if (result != null && transform != null && !transform.isIdentity()) {
  result = new TransformedShape(result, transform);

代码示例来源：origin: geotools/geotools

} else if ((at == null) || at.isIdentity()) {
  combined = affineTransform;
} else {

代码示例来源：origin: geotools/geotools

/**
 * @param ls
 * @param at
 */
public void init(LineString ls, AffineTransform at) {
  if ((at == null) || (at.isIdentity())) {
    this.at = null;
  } else {
    this.at = at;
  }
  CoordinateSequence coordinates = ls.getCoordinateSequence();
  if (coordinates instanceof LiteCoordinateSequence) {
    // array already there for us
    allCoords = ((LiteCoordinateSequence) coordinates).getXYArray();
    actualCoords = coordinates.size();
  } else {
    // build the array
    actualCoords = coordinates.size();
    allCoords = new double[actualCoords * 2];
    for (int t = 0; t < actualCoords; t++) {
      allCoords[t * 2] = coordinates.getOrdinate(t, 0);
      allCoords[t * 2 + 1] = coordinates.getOrdinate(t, 1);
    }
  }
  done = false;
  currentCoord = 0;
}

代码示例来源：origin: org.apache.sis.core/sis-referencing

/**
 * Returns {@code true} if the backing affine transform is the identity transform.
 */
@Override
public boolean isIdentity() {
  return transform.isIdentity();
}

代码示例来源：origin: haraldk/TwelveMonkeys

if (Px.isIdentity() && (width != defaultWidth || height != defaultHeight)) {

代码示例来源：origin: apache/pdfbox

if (!at.isIdentity())

代码示例来源：origin: apache/pdfbox

if ((cropBox.getLowerLeftX() < 0 || cropBox.getLowerLeftY() < 0) && transform.isIdentity())

代码示例来源：origin: apache/pdfbox

if (!at.isIdentity())

代码示例来源：origin: nodebox/nodebox

public void transform(Grob g, Transform t, boolean override) {
    if (override) {
      currentTransform = new Transform();
    }

    if (!transform.getAffineTransform().isIdentity()) {
      Transform revertedTransform = transform.clone();
      revertedTransform.invert();
      g.transform(revertedTransform);
    }

    currentTransform.append(t);

    Rect bounds = g.getBounds();
    double dx = bounds.getX() + bounds.getWidth() / 2;
    double dy = bounds.getY() + bounds.getHeight() / 2;

    transform = currentTransform.clone();
    if (context.transform() == Transform.Mode.CENTER) {
      Transform n = new Transform();
      n.translate(dx, dy);
      transform.prepend(n);
      n = new Transform();
      n.translate(-dx, -dy);
      transform.append(n);
    }
    g.transform(transform);
  }
}

代码示例来源：origin: sc.fiji/TrakEM2_

/** Expects world coords; with precision depending on magnification. */
public Node<T> findClosestNodeW(final Collection<Node<T>> nodes, final float wx, final float wy, final double magnification) {
  float lx = wx,
     ly = wy;
  if (!this.at.isIdentity()) {
    final Point2D.Double po = inverseTransformPoint(wx, wy);
    lx = (float)po.x;
    ly = (float)po.y;
  }
  return findClosestNode(nodes, lx, ly, magnification);
}

代码示例来源：origin: apache/fop

/** {@inheritDoc} */
protected void concatenateTransformationMatrix(AffineTransform at) {
  if (!at.isIdentity()) {
    concatenateTransformationMatrixMpt(ptToMpt(at), false);
  }
}

代码示例来源：origin: sc.fiji/TrakEM2_

/** Returns a new Rectangle which encloses completly the given rectangle after transforming it with this Displayable's AffineTransform. The given rectangle's fields are untouched.*/
final public Rectangle transformRectangle(final Rectangle r) {
  if (this.at.isIdentity()) return (Rectangle)r.clone();
  return new Area(r).createTransformedArea(this.at).getBounds();
}

代码示例来源：origin: sc.fiji/TrakEM2_

@Override
public Collection<Displayable> findLinkTargets(final AffineTransform aff) {
  if (null == aw) return super.findLinkTargets(aff);
  Area a = aw.getArea();
  if (!aff.isIdentity()) {
    a = a.createTransformedArea(aff);
  }
  return this.la.getDisplayables(Patch.class, a, true);
}