Java Code Examples for org.apache.pdfbox.util.Matrix#getValue()

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Example 1
Source File: BeginInlineImage.java    From pdfxtk with Apache License 2.0 4 votes vote down vote up 
/**
 * process : BI : begin inline image.
 * @param operator The operator that is being executed.
 * @param arguments List
 * @throws IOException If there is an error displaying the inline image.
 */
public void process(PDFOperator operator, List arguments)  throws IOException
{
    PDFObjectExtractor drawer = (PDFObjectExtractor)context;
    Graphics2D graphics = drawer.getGraphics();
    //begin inline image object
    ImageParameters params = operator.getImageParameters();
    PDInlinedImage image = new PDInlinedImage();
    image.setImageParameters( params );
    image.setImageData( operator.getImageData() );

    // 7.04.09 added try/catch to allow for mis-reading of images
	// in Kurier
 // BufferedImage awtImage = image.createImage();
    BufferedImage awtImage = new BufferedImage(1, 1, BufferedImage.TYPE_3BYTE_BGR);
    try
    {
    	awtImage = image.createImage();
    }
    catch (Exception e)
    {
    	e.printStackTrace();
    }
    
    Matrix ctm = drawer.getGraphicsState().getCurrentTransformationMatrix();
    
    int width = awtImage.getWidth();
    int height = awtImage.getHeight();

    
    AffineTransform at = new AffineTransform(
        ctm.getValue(0,0)/width,
        ctm.getValue(0,1),
        ctm.getValue(1,0),
        ctm.getValue(1,1)/height,
        ctm.getValue(2,0),
        ctm.getValue(2,1)
    );
    //at.setToRotation((double)page.getRotation());

    
    // The transformation should be done 
    // 1 - Translation
    // 2 - Rotation
    // 3 - Scale or Skew
    //AffineTransform at = new AffineTransform();

    // Translation
    //at = new AffineTransform();
    //at.setToTranslation((double)ctm.getValue(0,0),
    //                    (double)ctm.getValue(0,1));

    // Rotation
    //AffineTransform toAdd = new AffineTransform();
    //toAdd.setToRotation(1.5705);
    //toAdd.setToRotation(ctm.getValue(2,0)*(Math.PI/180));
    //at.concatenate(toAdd);

    // Scale / Skew?
    //toAdd.setToScale(width, height); 
    //at.concatenate(toAdd);
    //at.setToScale( width, height );
    graphics.drawImage( awtImage, at, null );
    //graphics.drawImage( awtImage,0,0, width,height,null);
    ////drawer.simpleDrawImage(width, height);
}