Java TransPainter.setMagnification方法代码示例

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
/**
* 生成转换图 <br/>
* @author jingma
* @param transMeta
* @return
* @throws Exception
*/
public static BufferedImage generateTransformationImage( TransMeta transMeta ) throws Exception {
  float magnification = 1.0f;
  Point maximum = transMeta.getMaximum();
  maximum.multiply( magnification );

  SwingGC gc = new SwingGC( null, maximum, 32, 0, 0 );
  TransPainter transPainter =
    new TransPainter(
      gc, transMeta, maximum, null, null, null, null, null, new ArrayList<AreaOwner>(),
      new ArrayList<StepMeta>(), 32, 1, 0, 0, true, "Arial", 10 );
  transPainter.setMagnification( magnification );
  transPainter.buildTransformationImage();

  BufferedImage image = (BufferedImage) gc.getImage();

  return image;
}
 

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
public void drawImage(final Graphics2D g2d, final Rectangle2D rectangle2d, ReportSubjectLocation location, boolean pixelateImages) throws KettleException {
  
  // Load the transformation
  //
  TransMeta transMeta = loadTransformation(location);
  
  Point min = transMeta.getMinimum();
  Point area = transMeta.getMaximum();
  int iconsize = 32;
  
  ScrollBarInterface bar = new ScrollBarInterface() {
    public void setThumb(int thumb) {}
    public int getSelection() { return 0; }
  };
  
  // Paint the transformation...
  //
  Rectangle rect = new java.awt.Rectangle(0,0,area.x, area.y);
  double magnificationX = rectangle2d.getWidth()/rect.getWidth();
  double magnificationY = rectangle2d.getHeight()/rect.getHeight();
  double magnification = Math.min(magnificationX, magnificationY);

  SwingGC gc = new SwingGC(g2d, rect, iconsize, 0, 0);
  gc.setDrawingPixelatedImages(pixelateImages);
  
  TransPainter painter = new TransPainter(gc, transMeta, area, bar, bar, null, null, null, new ArrayList<AreaOwner>(), new ArrayList<StepMeta>(), 
      iconsize, 1, 0, 0, true, "FreeSans", 10);
  painter.setMagnification((float)Math.min(magnification, 1));
  if (pixelateImages) {
    painter.setTranslationX(100+min.x);
     painter.setTranslationY(100+min.y);
  }
  painter.buildTransformationImage();
}
 

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
public Image getTransformationImage(Device device, int x, int y, float magnificationFactor) {

    GCInterface gc = new SWTGC(device, new Point(x, y), iconsize);

    TransPainter transPainter = new TransPainter( gc,
    		transMeta, new Point(x, y), new SwtScrollBar(hori), new SwtScrollBar(vert), candidate, drop_candidate,
    		selectionRegion, 
    		areaOwners, 
    		mouseOverSteps,
			PropsUI.getInstance().getIconSize(),
			PropsUI.getInstance().getLineWidth(),
			PropsUI.getInstance().getCanvasGridSize(), 
			PropsUI.getInstance().getShadowSize(), 
			PropsUI.getInstance().isAntiAliasingEnabled(),
			PropsUI.getInstance().getNoteFont().getName(),
			PropsUI.getInstance().getNoteFont().getHeight(),
			trans,
			PropsUI.getInstance().isIndicateSlowTransStepsEnabled()
    	);
    
    transPainter.setMagnification(magnificationFactor);
    transPainter.setStepLogMap(stepLogMap);
    transPainter.setStartHopStep(startHopStep);
    transPainter.setEndHopLocation(endHopLocation);
    transPainter.setNoInputStep(noInputStep);
    transPainter.setEndHopStep(endHopStep);
    transPainter.setCandidateHopType(candidateHopType);
    transPainter.setStartErrorHopStep(startErrorHopStep);
    transPainter.setShowTargetStreamsStep(showTargetStreamsStep);
    
    transPainter.buildTransformationImage();
    
    Image img = (Image)gc.getImage();

    gc.dispose();
    return img;
  }
 

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
private BufferedImage generateTransformationImage(TransMeta transMeta) throws Exception {
  float magnification = 1.0f;
  Point maximum = transMeta.getMaximum();
  maximum.multiply(magnification);
  
  SwingGC gc = new SwingGC(null, maximum, 32, 0, 0);
  TransPainter transPainter = new TransPainter(gc, transMeta, maximum, null, null, 
      null, null, null, new ArrayList<AreaOwner>(), new ArrayList<StepMeta>(), 32, 1, 0, 0, true, "Arial", 10);
  transPainter.setMagnification(magnification);
  transPainter.buildTransformationImage();
  
  BufferedImage image = (BufferedImage) gc.getImage();

  return image;
}
 

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
private BufferedImage generateTransformationImage( TransMeta transMeta ) throws Exception {
  float magnification = 1.0f;
  Point maximum = transMeta.getMaximum();
  maximum.multiply( magnification );

  SwingGC gc = new SwingGC( null, maximum, 32, 0, 0 );
  TransPainter transPainter =
    new TransPainter(
      gc, transMeta, maximum, null, null, null, null, null, new ArrayList<AreaOwner>(),
      new ArrayList<StepMeta>(), 32, 1, 0, 0, true, "Arial", 10 );
  transPainter.setMagnification( magnification );
  transPainter.buildTransformationImage();

  return (BufferedImage) gc.getImage();
}
 

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
public Image getTransformationImage( Device device, int x, int y, float magnificationFactor ) {

    GCInterface gc = new SWTGC( device, new Point( x, y ), iconsize );

    int gridSize =
      PropsUI.getInstance().isShowCanvasGridEnabled() ? PropsUI.getInstance().getCanvasGridSize() : 1;

    TransPainter transPainter =
      new TransPainter( gc, transMeta, new Point( x, y ), new SwtScrollBar( hori ), new SwtScrollBar( vert ),
        candidate, drop_candidate, selectionRegion, areaOwners, mouseOverSteps,
        PropsUI.getInstance().getIconSize(), PropsUI.getInstance().getLineWidth(), gridSize,
        PropsUI.getInstance().getShadowSize(), PropsUI.getInstance()
        .isAntiAliasingEnabled(), PropsUI.getInstance().getNoteFont().getName(), PropsUI.getInstance()
        .getNoteFont().getHeight(), trans, PropsUI.getInstance().isIndicateSlowTransStepsEnabled() );

    transPainter.setMagnification( magnificationFactor );
    transPainter.setStepLogMap( stepLogMap );
    transPainter.setStartHopStep( startHopStep );
    transPainter.setEndHopLocation( endHopLocation );
    transPainter.setNoInputStep( noInputStep );
    transPainter.setEndHopStep( endHopStep );
    transPainter.setCandidateHopType( candidateHopType );
    transPainter.setStartErrorHopStep( startErrorHopStep );
    transPainter.setShowTargetStreamsStep( showTargetStreamsStep );

    transPainter.buildTransformationImage();

    Image img = (Image) gc.getImage();

    gc.dispose();
    return img;
  }
 

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
private TransformationInformationValues loadValues(ReportSubjectLocation location) throws KettleException {
	
	// Load the transformation
	//
	TransMeta transMeta = loadTransformation(location);
	
	Point min = transMeta.getMinimum();
	Point area = transMeta.getMaximum();
	area.x+=100;
	area.y+=100;
	int iconsize = 32;
	
	ScrollBarInterface bar = new ScrollBarInterface() {
		public void setThumb(int thumb) {}
		public int getSelection() { return 0; }
	};
	
	// Paint the transformation...
	//
	GCInterface gc = new SwingGC(null, area, iconsize, 50, 20);
	TransPainter painter = new TransPainter(gc, transMeta, area, bar, bar, null, null, null, new ArrayList<AreaOwner>(), new ArrayList<StepMeta>(), 
	    iconsize, 1, 0, 0, true, "FreeSans", 10);
   painter.setMagnification(0.5f);
   painter.setTranslationX(min.x);
   painter.setTranslationX(min.y);
  painter.buildTransformationImage();
  BufferedImage bufferedImage = (BufferedImage)gc.getImage();
  int newWidth=bufferedImage.getWidth()-min.x;
  int newHeigth=bufferedImage.getHeight()-min.y;
  BufferedImage image = new BufferedImage(newWidth, newHeigth, bufferedImage.getType());
  image.getGraphics().drawImage(
    		bufferedImage, 
    		0, 0, newWidth, newHeigth, 
    		min.x, min.y, min.x+newWidth, min.y+newHeigth, 
    		null
    	);

  TransformationInformationValues values = new TransformationInformationValues();
  values.transMeta = transMeta;
  values.image = image;
    
	return values;
}
 

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
private TransformationInformationValues loadValues( ReportSubjectLocation location ) throws KettleException {

    // Load the transformation
    //
    TransMeta transMeta = loadTransformation( location );

    Point min = transMeta.getMinimum();
    Point area = transMeta.getMaximum();
    area.x += 100;
    area.y += 100;
    int iconsize = 32;

    ScrollBarInterface bar = new ScrollBarInterface() {
      public void setThumb( int thumb ) {
      }

      public int getSelection() {
        return 0;
      }
    };

    // Paint the transformation...
    //
    GCInterface gc = new SwingGC( null, area, iconsize, 50, 20 );
    List<AreaOwner> areaOwners = new ArrayList<AreaOwner>();
    TransPainter painter =
      new TransPainter(
        gc, transMeta, area, bar, bar, null, null, null, areaOwners, new ArrayList<StepMeta>(), iconsize, 1,
        0, 0, true, "FreeSans", 10 );
    painter.setMagnification( 0.5f );
    painter.setTranslationX( min.x );
    painter.setTranslationY( min.y );
    painter.buildTransformationImage();
    BufferedImage bufferedImage = (BufferedImage) gc.getImage();
    int newWidth = bufferedImage.getWidth() - min.x;
    int newHeigth = bufferedImage.getHeight() - min.y;
    BufferedImage image = new BufferedImage( newWidth, newHeigth, bufferedImage.getType() );
    image.getGraphics().drawImage(
      bufferedImage, 0, 0, newWidth, newHeigth, min.x, min.y, min.x + newWidth, min.y + newHeigth, null );

    TransformationInformationValues values = new TransformationInformationValues();
    values.transMeta = transMeta;
    values.image = image;
    values.areaOwners = areaOwners;

    return values;
  }
 

import org.pentaho.di.trans.TransPainter; //导入方法依赖的package包/类
public void drawImage( final Graphics2D g2d, final Rectangle2D rectangle2d, ReportSubjectLocation location,
  boolean pixelateImages ) throws KettleException {

  // Load the transformation
  //
  TransMeta transMeta = loadTransformation( location );

  Point min = transMeta.getMinimum();
  Point area = transMeta.getMaximum();

  area.x -= min.x;
  area.y -= min.y;

  int iconsize = 32;

  ScrollBarInterface bar = new ScrollBarInterface() {
    public void setThumb( int thumb ) {
    }

    public int getSelection() {
      return 0;
    }
  };

  // Paint the transformation...
  //
  Rectangle rect = new java.awt.Rectangle( 0, 0, area.x, area.y );
  double magnificationX = rectangle2d.getWidth() / rect.getWidth();
  double magnificationY = rectangle2d.getHeight() / rect.getHeight();
  float magnification = (float) Math.min( 1, Math.min( magnificationX, magnificationY ) );

  SwingGC gc = new SwingGC( g2d, rect, iconsize, 0, 0 );
  gc.setDrawingPixelatedImages( pixelateImages );

  TransPainter painter =
      new TransPainter( gc, transMeta, area, bar, bar, null, null, null, new ArrayList<AreaOwner>(),
          new ArrayList<StepMeta>(), iconsize, 1, 0, 0, true, "FreeSans", 10 );

  painter.setMagnification( magnification );

  painter.setTranslationX( ( -min.x ) * magnification );
  painter.setTranslationY( ( -min.y ) * magnification );

  painter.buildTransformationImage();
}