Examples of java.awt.geom.NoninvertibleTransformException

java.awt.geom.NoninvertibleTransformException
The NoninvertibleTransformException class represents an exception that is thrown if an operation is performed requiring the inverse of an {@link AffineTransform} object but the AffineTransform is in a non-invertible state. @version 1.19, 11/17/05

         throws NoninvertibleTransformException, CloneNotSupportedException {


       PerspectiveTransform tx = (PerspectiveTransform)clone();
       tx.makeAdjoint();
       if (Math.abs(tx.m22) <  PERSPECTIVE_DIVIDE_EPSILON) {
           throw new NoninvertibleTransformException(JaiI18N.getString("PerspectiveTransform0"));
       }
       tx.normalize();
       return tx;
    }

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        double wabs = w;
        if (w < 0) {
            wabs = - w;
        }
        if (wabs < PERSPECTIVE_DIVIDE_EPSILON) {
            throw new
    NoninvertibleTransformException(
             JaiI18N.getString("PerspectiveTransform1"));
        }


        ptDst.setLocation(tmp_x/w, tmp_y/w);

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         throws NoninvertibleTransformException, CloneNotSupportedException {


       PerspectiveTransform tx = (PerspectiveTransform)clone();
       tx.makeAdjoint();
       if (Math.abs(tx.m22) <  PERSPECTIVE_DIVIDE_EPSILON) {
           throw new NoninvertibleTransformException(JaiI18N.getString("PerspectiveTransform0"));
       }
       tx.normalize();
       return tx;
    }

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        double wabs = w;
        if (w < 0) {
            wabs = - w;
        }
        if (wabs < PERSPECTIVE_DIVIDE_EPSILON) {
            throw new
    NoninvertibleTransformException(
             JaiI18N.getString("PerspectiveTransform1"));
        }


        ptDst.setLocation(tmp_x/w, tmp_y/w);

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            double wabs = w;
            if (w < 0) {
                wabs = - w;
            }
            if (wabs < PERSPECTIVE_DIVIDE_EPSILON) {
                throw new NoninvertibleTransformException(
            JaiI18N.getString("PerspectiveTransform1"));
            }


            dstPts[dstOff++] = tmp_x / w;
            dstPts[dstOff++] = tmp_y / w;

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/*      */     throws NoninvertibleTransformException, CloneNotSupportedException
/*      */   {
/*  987 */     PerspectiveTransform tx = (PerspectiveTransform)clone();
/*  988 */     tx.makeAdjoint();
/*  989 */     if (Math.abs(tx.m22) < 1.0E-010D) {
/*  990 */       throw new NoninvertibleTransformException(JaiI18N.getString("PerspectiveTransform0"));
/*      */     }
/*  992 */     tx.normalize();
/*  993 */     return tx;
/*      */   }

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/* 1306 */     double wabs = w;
/* 1307 */     if (w < 0.0D) {
/* 1308 */       wabs = -w;
/*      */     }
/* 1310 */     if (wabs < 1.0E-010D) {
/* 1311 */       throw new NoninvertibleTransformException(JaiI18N.getString("PerspectiveTransform1"));
/*      */     }
/*      */ 
/* 1316 */     ptDst.setLocation(tmp_x / w, tmp_y / w);
/*      */ 
/* 1318 */     return ptDst;

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        final double m11 = transform.getScaleY();
        final double m01 = transform.getShearX();
        final double m10 = transform.getShearY();
        final double det = m00*m11 - m01*m10;
        if (!(abs(det) > Double.MIN_VALUE)) {
            throw new NoninvertibleTransformException(null);
        }
        final double x0 = vector.getX();
        final double y0 = vector.getY();
        final double x = (x0*m11 - y0*m01) / det;
        final double y = (y0*m00 - x0*m10) / det;

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    @SuppressWarnings("deprecation")
    public void testRenderingErrorsHandling() throws Exception {


        // the ones that are ignorable by the renderer
        assertNotNull(forceRenderingError(new TransformException("fake transform exception")));
        assertNotNull(forceRenderingError(new NoninvertibleTransformException(
                "fake non invertible exception")));
        assertNotNull(forceRenderingError(new IllegalAttributeException(
                "non illegal attribute exception")));
        assertNotNull(forceRenderingError(new FactoryException("fake factory exception")));

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            usr2dev = new AffineTransform();
        } else {
            usr2dev = new AffineTransform(usr2dev);
        }
        if (usr2dev.getDeterminant() == 0) {
            throw new NoninvertibleTransformException("");
        }
        this.usr2dev = usr2dev;
    }

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