java.awt.geom.AffineTransform.getDeterminant()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.getDeterminant()方法的一些代码示例，展示了AffineTransform.getDeterminant()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.getDeterminant()方法的具体详情如下：
包路径：java.awt.geom.AffineTransform
类名称：AffineTransform
方法名：getDeterminant

AffineTransform.getDeterminant介绍

暂无

代码示例

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * Calculated the subsampling frequency for a given PDImage based on the current transformation
  3.  * and its calculated transform
  4.  *
  5.  * @param pdImage PDImage to be drawn
  6.  * @param at Transform that will be applied to the image when drawing
  7.  * @return The rounded-down ratio of image pixels to drawn pixels. Returned value will always be
  8.  * >=1.
  9.  */
  10. private int getSubsampling(PDImage pdImage, AffineTransform at)
  11. {
  12.   // calculate subsampling according to the resulting image size
  13.   double scale = Math.abs(at.getDeterminant() * xform.getDeterminant());
  14.   int subsampling = (int) Math.floor(Math.sqrt(pdImage.getWidth() * pdImage.getHeight() / scale));
  15.   if (subsampling > 8)
  16.   {
  17.     subsampling = 8;
  18.   }
  19.   if (subsampling < 1)
  20.   {
  21.     subsampling = 1;
  22.   }
  23.   if (subsampling > pdImage.getWidth() || subsampling > pdImage.getHeight())
  24.   {
  25.     // For very small images it is possible that the subsampling would imply 0 size.
  26.     // To avoid problems, the subsampling is set to no less than the smallest dimension.
  27.     subsampling = Math.min(pdImage.getWidth(), pdImage.getHeight());
  28.   }
  29.   return subsampling;
  30. }

代码示例来源：origin: lbalazscs/Pixelitor

  1. public int compare(ImageInstruction i1, ImageInstruction i2) {
  2.       if(i1.isFirstFrame && i2.isFirstFrame==false)
  3.         return 1;
  4.       if(i2.isFirstFrame && i1.isFirstFrame==false)
  5.         return -1;
  6.       
  7.       double d1 = i1.transform.getDeterminant();
  8.       double d2 = i2.transform.getDeterminant();
  9.       return Double.compare(d1, d2);
  10. //            if(d1<d2) {
  11. //                return -1;
  12. //            }
  13. //            return 1;
  14.     }

代码示例来源：origin: net.sf.jung/jung-visualization

  1. /**
  2.  * @return the transform's overall scale magnitude
  3.  */
  4. public double getScale() {
  5.     return Math.sqrt(transform.getDeterminant());
  6. }

代码示例来源：origin: bcdev/beam

  1. @Override
  2. public boolean validatePage() {
  3.   try {
  4.     return createTransform().getDeterminant() != 0.0;
  5.   } catch (Exception ignore) {
  6.     return false;
  7.   }
  8. }

代码示例来源：origin: senbox-org/snap-desktop

  1. @Override
  2. public boolean validatePage() {
  3.   try {
  4.     return createTransform().getDeterminant() != 0.0;
  5.   } catch (Exception ignore) {
  6.     return false;
  7.   }
  8. }

代码示例来源：origin: fr.avianey.apache-xmlgraphics/batik

  1. public void updateMatrix(AffineTransform at) {
  2.     prevScale  = (float)Math.sqrt(at.getDeterminant());
  3.     prevTransX = (float)at.getTranslateX();
  4.     prevTransY = (float)at.getTranslateY();
  5.   }
  6. }

代码示例来源：origin: org.apache.xmlgraphics/batik-anim

  1. /**
  2.  * <b>DOM</b>: Implements {@link SVGSVGElement#getCurrentView()}.
  3.  */
  4. public float getCurrentScale() {
  5.   AffineTransform scrnTrans = getSVGContext().getScreenTransform();
  6.   if (scrnTrans != null) {
  7.     return (float)Math.sqrt(scrnTrans.getDeterminant());
  8.   }
  9.   return 1;
  10. }

代码示例来源：origin: org.apache.xmlgraphics/batik-swing

  1. public void updateMatrix(AffineTransform at) {
  2.     prevScale  = (float)Math.sqrt(at.getDeterminant());
  3.     prevTransX = (float)at.getTranslateX();
  4.     prevTransY = (float)at.getTranslateY();
  5.   }
  6. }

代码示例来源：origin: fr.avianey.apache-xmlgraphics/batik

  1. /**
  2.  * <b>DOM</b>: Implements {@link SVGSVGElement#getCurrentView()}.
  3.  */
  4. public float getCurrentScale() {
  5.   AffineTransform scrnTrans = getSVGContext().getScreenTransform();
  6.   if (scrnTrans != null) {
  7.     return (float)Math.sqrt(scrnTrans.getDeterminant());
  8.   }
  9.   return 1;
  10. }

代码示例来源：origin: apache/batik

  1. public void updateMatrix(AffineTransform at) {
  2.     prevScale  = (float)Math.sqrt(at.getDeterminant());
  3.     prevTransX = (float)at.getTranslateX();
  4.     prevTransY = (float)at.getTranslateY();
  5.   }
  6. }

代码示例来源：origin: apache/batik

  1. /**
  2.  * <b>DOM</b>: Implements {@link SVGSVGElement#getCurrentView()}.
  3.  */
  4. public float getCurrentScale() {
  5.   AffineTransform scrnTrans = getSVGContext().getScreenTransform();
  6.   if (scrnTrans != null) {
  7.     return (float)Math.sqrt(scrnTrans.getDeterminant());
  8.   }
  9.   return 1;
  10. }

代码示例来源：origin: com.itextpdf/itextpdf

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke)stroke;
  5.   float scale = (float)Math.sqrt(Math.abs(transform.getDeterminant()));
  6.   float dash[] = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase() * scale);
  12. }

代码示例来源：origin: com.github.librepdf/openpdf

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke)stroke;
  5.   float scale = (float)Math.sqrt(Math.abs(transform.getDeterminant()));
  6.   float[] dash = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase() * scale);
  12. }

代码示例来源：origin: org.docx4j/xhtmlrenderer

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke)stroke;
  5.   float scale = (float)Math.sqrt(Math.abs(_transform.getDeterminant()));
  6.   float dash[] = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase() * scale);
  12. }

代码示例来源：origin: org.xhtmlrenderer/core-renderer

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke)stroke;
  5.   float scale = (float)Math.sqrt(Math.abs(_transform.getDeterminant()));
  6.   float dash[] = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase() * scale);
  12. }

代码示例来源：origin: com.google.code.maven-play-plugin.org.xhtmlrenderer/core-renderer

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke)stroke;
  5.   float scale = (float)Math.sqrt(Math.abs(_transform.getDeterminant()));
  6.   float dash[] = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase() * scale);
  12. }

代码示例来源：origin: es.gob.afirma/afirma-crypto-pdf-itext

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke)stroke;
  5.   float scale = (float)Math.sqrt(Math.abs(transform.getDeterminant()));
  6.   float dash[] = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase() * scale);
  12. }

代码示例来源：origin: danfickle/openhtmltopdf

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke) stroke;
  5.   float scale = (float) Math.sqrt(Math.abs(_transform.getDeterminant()));
  6.   float dash[] = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase()
  12.       * scale);
  13. }

代码示例来源：origin: danfickle/openhtmltopdf

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke) stroke;
  5.   float scale = (float) Math.sqrt(Math.abs(_transform.getDeterminant()));
  6.   float dash[] = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase()
  12.       * scale);
  13. }

代码示例来源：origin: org.xhtmlrenderer/flying-saucer-pdf-itext5

  1. private Stroke transformStroke(Stroke stroke) {
  2.   if (!(stroke instanceof BasicStroke))
  3.     return stroke;
  4.   BasicStroke st = (BasicStroke) stroke;
  5.   float scale = (float) Math.sqrt(Math.abs(_transform.getDeterminant()));
  6.   float dash[] = st.getDashArray();
  7.   if (dash != null) {
  8.     for (int k = 0; k < dash.length; ++k)
  9.       dash[k] *= scale;
  10.   }
  11.   return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase()
  12.       * scale);
  13. }

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