java.awt.geom.AffineTransform.isIdentity()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.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

暂无

代码示例

代码示例来源：origin: org.apache.poi/poi

  1. public static Rectangle2D getAnchor(Graphics2D graphics, Rectangle2D anchor) {
  2.   if(graphics == null)  {
  3.     return anchor;
  4.   }
  5.   AffineTransform tx = (AffineTransform)graphics.getRenderingHint(Drawable.GROUP_TRANSFORM);
  6.   if(tx != null && !tx.isIdentity() && tx.createTransformedShape(anchor) != null) {
  7.     anchor = tx.createTransformedShape(anchor).getBounds2D();
  8.   }
  9.   return anchor;
  10. }

代码示例来源：origin: org.apache.poi/poi

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

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Creates a transform for the specified matrix as a Java2D object. This method is provided for
  3.  * interoperability with <A
  4.  * HREF="http://java.sun.com/products/java-media/2D/index.jsp">Java2D</A>.
  5.  *
  6.  * @param matrix The affine transform as a matrix.
  7.  * @return The transform for the given matrix.
  8.  */
  9. public static LinearTransform create(final AffineTransform matrix) {
  10.   if (matrix.isIdentity()) {
  11.     return IdentityTransform.create(2);
  12.   }
  13.   return new AffineTransform2D(matrix);
  14. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Returns an iterator object that iterates along the <code>Shape</code> boundary and provides
  3.  * access to the geometry of the <code>Shape</code> outline.
  4.  */
  5. public PathIterator getPathIterator(AffineTransform at) {
  6.   if (!isIdentity()) {
  7.     if (at == null || at.isIdentity()) {
  8.       return shape.getPathIterator(this);
  9.     }
  10.     at = new AffineTransform(at);
  11.     at.concatenate(this);
  12.   }
  13.   return shape.getPathIterator(at);
  14. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Returns an iterator object that iterates along the <code>Shape</code> boundary and provides
  3.  * access to a flattened view of the <code>Shape</code> outline geometry.
  4.  */
  5. public PathIterator getPathIterator(AffineTransform at, final double flatness) {
  6.   if (!isIdentity()) {
  7.     if (at == null || at.isIdentity()) {
  8.       return shape.getPathIterator(this, flatness);
  9.     }
  10.     at = new AffineTransform(at);
  11.     at.concatenate(this);
  12.   }
  13.   return shape.getPathIterator(at, flatness);
  14. }

代码示例来源：origin: geotools/geotools

  1. /** Returns a {@link ROI} object based on the input {@link RenderedImage} representing ROI */
  2. public static ROI scaleROI(RenderedImage roiRaster, Rectangle bounds) {
  3.   if (roiRaster == null) {
  4.     return null;
  5.   }
  6.   int x = bounds.x;
  7.   int y = bounds.y;
  8.   int w = bounds.width;
  9.   int h = bounds.height;
  10.   // Scale factors for input data
  11.   final double scaleX = w / (1.0 * roiRaster.getWidth());
  12.   final double scaleY = h / (1.0 * roiRaster.getHeight());
  13.   AffineTransform tr = AffineTransform.getScaleInstance(scaleX, scaleY);
  14.   // Translation Factors
  15.   final int transX = x;
  16.   final int transY = y;
  17.   tr.concatenate(AffineTransform.getTranslateInstance(transX, transY));
  18.   // Log the Scale/Translate operation
  19.   if (!tr.isIdentity()) {
  20.     LOGGER.fine("Scaling ROI");
  21.   }
  22.   // Input Mask is scaled to the image size, rescaled to Bytes and then used as ROI
  23.   return new ImageWorker(roiRaster).affine(tr, null, null).binarize(1).getImageAsROI();
  24. }

代码示例来源：origin: geotools/geotools

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

代码示例来源：origin: geotools/geotools

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

代码示例来源：origin: geotools/geotools

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

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * @param ls
  3.  * @param at
  4.  */
  5. public void init(LineString ls, AffineTransform at) {
  6.   if ((at == null) || (at.isIdentity())) {
  7.     this.at = null;
  8.   } else {
  9.     this.at = at;
  10.   }
  11.   CoordinateSequence coordinates = ls.getCoordinateSequence();
  12.   if (coordinates instanceof LiteCoordinateSequence) {
  13.     // array already there for us
  14.     allCoords = ((LiteCoordinateSequence) coordinates).getXYArray();
  15.     actualCoords = coordinates.size();
  16.   } else {
  17.     // build the array
  18.     actualCoords = coordinates.size();
  19.     allCoords = new double[actualCoords * 2];
  20.     for (int t = 0; t < actualCoords; t++) {
  21.       allCoords[t * 2] = coordinates.getOrdinate(t, 0);
  22.       allCoords[t * 2 + 1] = coordinates.getOrdinate(t, 1);
  23.     }
  24.   }
  25.   done = false;
  26.   currentCoord = 0;
  27. }

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

  1. /**
  2.  * Returns {@code true} if the backing affine transform is the identity transform.
  3.  */
  4. @Override
  5. public boolean isIdentity() {
  6.   return transform.isIdentity();
  7. }

代码示例来源：origin: haraldk/TwelveMonkeys

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

代码示例来源：origin: apache/pdfbox

  1. if (!at.isIdentity())

代码示例来源：origin: apache/pdfbox

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

代码示例来源：origin: apache/pdfbox

  1. if (!at.isIdentity())

代码示例来源：origin: nodebox/nodebox

  1. public void transform(Grob g, Transform t, boolean override) {
  2.     if (override) {
  3.       currentTransform = new Transform();
  4.     }
  6.     if (!transform.getAffineTransform().isIdentity()) {
  7.       Transform revertedTransform = transform.clone();
  8.       revertedTransform.invert();
  9.       g.transform(revertedTransform);
  10.     }
  12.     currentTransform.append(t);
  14.     Rect bounds = g.getBounds();
  15.     double dx = bounds.getX() + bounds.getWidth() / 2;
  16.     double dy = bounds.getY() + bounds.getHeight() / 2;
  18.     transform = currentTransform.clone();
  19.     if (context.transform() == Transform.Mode.CENTER) {
  20.       Transform n = new Transform();
  21.       n.translate(dx, dy);
  22.       transform.prepend(n);
  23.       n = new Transform();
  24.       n.translate(-dx, -dy);
  25.       transform.append(n);
  26.     }
  27.     g.transform(transform);
  28.   }
  29. }

代码示例来源：origin: sc.fiji/TrakEM2_

  1. /** Expects world coords; with precision depending on magnification. */
  2. public Node<T> findClosestNodeW(final Collection<Node<T>> nodes, final float wx, final float wy, final double magnification) {
  3.   float lx = wx,
  4.      ly = wy;
  5.   if (!this.at.isIdentity()) {
  6.     final Point2D.Double po = inverseTransformPoint(wx, wy);
  7.     lx = (float)po.x;
  8.     ly = (float)po.y;
  9.   }
  10.   return findClosestNode(nodes, lx, ly, magnification);
  11. }

代码示例来源：origin: apache/fop

  1. /** {@inheritDoc} */
  2. protected void concatenateTransformationMatrix(AffineTransform at) {
  3.   if (!at.isIdentity()) {
  4.     concatenateTransformationMatrixMpt(ptToMpt(at), false);
  5.   }
  6. }

代码示例来源：origin: sc.fiji/TrakEM2_

  1. /** 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.*/
  2. final public Rectangle transformRectangle(final Rectangle r) {
  3.   if (this.at.isIdentity()) return (Rectangle)r.clone();
  4.   return new Area(r).createTransformedArea(this.at).getBounds();
  5. }

代码示例来源：origin: sc.fiji/TrakEM2_

  1. @Override
  2. public Collection<Displayable> findLinkTargets(final AffineTransform aff) {
  3.   if (null == aw) return super.findLinkTargets(aff);
  4.   Area a = aw.getArea();
  5.   if (!aff.isIdentity()) {
  6.     a = a.createTransformedArea(aff);
  7.   }
  8.   return this.la.getDisplayables(Patch.class, a, true);
  9. }

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