Examples of java.awt.image.AffineTransformOp

java.awt.image.AffineTransformOp
This class uses an affine transform to perform a linear mapping from 2D coordinates in the source image or Raster to 2D coordinates in the destination image or Raster. The type of interpolation that is used is specified through a constructor, either by a RenderingHints object or by one of the integer interpolation types defined in this class.
If a RenderingHints object is specified in the constructor, the interpolation hint and the rendering quality hint are used to set the interpolation type for this operation. The color rendering hint and the dithering hint can be used when color conversion is required.
Note that the following constraints have to be met:
- The source and destination must be different.
- For Raster objects, the number of bands in the source must be equal to the number of bands in the destination.
@see AffineTransform @see BufferedImageFilter @see java.awt.RenderingHints#KEY_INTERPOLATION @see java.awt.RenderingHints#KEY_RENDERING @see java.awt.RenderingHints#KEY_COLOR_RENDERING @see java.awt.RenderingHints#KEY_DITHERING @version 16 Apr 1998

    
    ArrayList<BufferedImage> flippedImgArray = new ArrayList<BufferedImage>(imgArray.size());
    for (int i=0; i < imgArray.size(); i++) {
      AffineTransform tx = AffineTransform.getScaleInstance(-1d, 1d);
      tx.translate(-imgArray.get(i).getWidth(), 0);
      AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
      flippedImgArray.add(op.filter(imgArray.get(i), null));
    }
    return flippedImgArray;
  }

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              else
                  yScale = xScale;
          }
          
          AffineTransform scale = AffineTransform.getScaleInstance( xScale, yScale );
          AffineTransformOp op = new AffineTransformOp( scale, AffineTransformOp.TYPE_BILINEAR );
          WritableRaster scaledRaster = op.filter( image, null );
          return scaledRaster;
        } else {
            return image;
        }
    }

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        // Translate what will be at minX,minY to zero, zero
        // which where java2d will think the real minX,minY is.
        aff.preConcatenate(AffineTransform.getTranslateInstance
                           (-destPt.getX(), -destPt.getY()));


        AffineTransformOp op = new AffineTransformOp(aff, hints);


        BufferedImage srcBI, myBI;
        ColorModel srcCM = src.getColorModel();
        ColorModel myCM = getColorModel();


        WritableRaster srcWR = (WritableRaster)srcRas;
        // If the output buffer is not premultiplied in certain cases
        // it fails to properly divide out the Alpha (it always does
        // the affine on premultiplied data). We help it out by
        // premultiplying for it.
        srcCM = GraphicsUtil.coerceData(srcWR, srcCM, true);
        srcBI = new BufferedImage(srcCM,
                                  srcWR.createWritableTranslatedChild(0,0),
                                  srcCM.isAlphaPremultiplied(), null);


        myBI = new BufferedImage(myCM,wr.createWritableTranslatedChild(0,0),
                                 myCM.isAlphaPremultiplied(), null);


        op.filter(srcBI, myBI);


        // if ((count % 40) == 0) {
        //     org.apache.batik.ImageDisplay.showImage("Src: " , srcBI);
        //     org.apache.batik.ImageDisplay.showImage("Dst: " , myBI);
        // }

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        // Translate what will be at minX,minY to zero, zero
        // which where java2d will think the real minX,minY is.
        aff.preConcatenate(AffineTransform.getTranslateInstance
                           (-destPt.getX(), -destPt.getY()));


        AffineTransformOp op = new AffineTransformOp(aff, hints);


        BufferedImage srcBI, myBI;
        ColorModel srcCM = src.getColorModel();
        ColorModel myCM = getColorModel();


        WritableRaster srcWR = (WritableRaster)srcRas;
        // If the output buffer is not premultiplied in certain cases
        // it fails to properly divide out the Alpha (it always does
        // the affine on premultiplied data). We help it out by
        // premultiplying for it.
        srcCM = GraphicsUtil.coerceData(srcWR, srcCM, true);
        srcBI = new BufferedImage(srcCM,
                                  srcWR.createWritableTranslatedChild(0,0),
                                  srcCM.isAlphaPremultiplied(), null);


        myBI = new BufferedImage(myCM,wr.createWritableTranslatedChild(0,0),
                                 myCM.isAlphaPremultiplied(), null);


        op.filter(srcBI, myBI);


        // if ((count % 40) == 0) {
        //     org.apache.flex.forks.batik.ImageDisplay.showImage("Src: " , srcBI);
        //     org.apache.flex.forks.batik.ImageDisplay.showImage("Dst: " , myBI);
        // }

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                                -at.getTranslateX(),
                                -at.getTranslateY()
                        );
                untranslated.concatenate(at);


                AffineTransformOp atop =
                        new AffineTransformOp(untranslated, xDstSurf.g2d.getRenderingHints());


                Rectangle r = atop.getBounds2D(compRaster).getBounds();
                int tWidth = r.width;
                int tHeight = r.height;


                BufferedImage transformed;
                if (compIm.getColorModel().getTransparency() == Transparency.OPAQUE) {
                    transformed = xDstSurf.g2d.xConfig.createCompatibleImage(tWidth, tHeight);
                } else {
                    ColorModel cm = compIm.getColorModel();
                    transformed =
                            new BufferedImage(
                                    cm,
                                    compIm.getRaster().createCompatibleWritableRaster(
                                            tWidth,
                                            tHeight
                                    ),
                                    cm.isAlphaPremultiplied(),
                                    null
                            );
                }


                atop.filter(compIm, transformed);


                if (dstX < 0){
                    tWidth += dstX;
                    dstX = 0;
                }

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    public WritableRaster apply( WritableRaster image ) {
        if( ! enabled ) {
            return image;
        }
        AffineTransform translate = AffineTransform.getTranslateInstance( left, up );
        AffineTransformOp op = new AffineTransformOp( translate, AffineTransformOp.TYPE_BILINEAR );
        WritableRaster scaledRaster = op.filter( image, null );
        return scaledRaster;
    }

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    public WritableRaster apply( WritableRaster image ) {
        if( ! enabled ) {
            return image;
        }
        AffineTransform transform = new AffineTransform( matrix );
        AffineTransformOp op = new AffineTransformOp( transform, AffineTransformOp.TYPE_BILINEAR );
        WritableRaster scaledRaster = op.filter( image, null );
        return scaledRaster;
    }

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        } else {
            xScale = 1;
            yScale = -1;
        }
        AffineTransform transform = new AffineTransform( xScale, 0.0d, 0.0d, yScale, 0.0d, 0.0d );
        AffineTransformOp op = new AffineTransformOp( transform, AffineTransformOp.TYPE_BILINEAR );
        WritableRaster scaledRaster = op.filter( image, null );
        return scaledRaster;
    }

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    public WritableRaster apply( WritableRaster image ) {
        if( ! enabled ) {
            return image;
        }
        AffineTransform scale = AffineTransform.getScaleInstance( this.scale, this.scale );
        AffineTransformOp op = new AffineTransformOp( scale, AffineTransformOp.TYPE_BILINEAR );
        WritableRaster scaledRaster = op.filter( image, null );
        return scaledRaster;
    }

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        int y = height / 2;


        WritableRaster newRaster1 = image.createCompatibleWritableRaster(-x, -y, width, height );


        AffineTransform translate = AffineTransform.getTranslateInstance( -x, -y );
        AffineTransformOp op = new AffineTransformOp( translate, AffineTransformOp.TYPE_BILINEAR );
        op.filter( image, newRaster1 );


        AffineTransform rotate = AffineTransform.getRotateInstance( angle );
        op = new AffineTransformOp( rotate, AffineTransformOp.TYPE_BILINEAR );


        WritableRaster newRaster2 = image.createCompatibleWritableRaster(-x, -y, width, height );
        op.filter( newRaster1, newRaster2 );


        return newRaster2;
    }

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