Package org.apache.pdfbox.util

Examples of org.apache.pdfbox.util.Matrix

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    }
   
    @Override
    public void drawImage(PDImage pdImage) throws IOException
    {
        Matrix ctm = getGraphicsState().getCurrentTransformationMatrix();
        AffineTransform at = ctm.createAffineTransform();

        if (pdImage.isStencil())
        {
            // fill the image with paint
            PDColor color = getGraphicsState().getNonStrokingColor();
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    @Override
    public void shadingFill(COSName shadingName) throws IOException
    {
        PDShading shading = getResources().getShading(shadingName);
        Matrix ctm = getGraphicsState().getCurrentTransformationMatrix();
        Paint paint = shading.toPaint(ctm);

        graphics.setComposite(getGraphicsState().getNonStrokingJavaComposite());
        graphics.setPaint(paint);
        graphics.setClip(null);
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        //
        // legacy calculations which were previously in PDFStreamEngine
        //

        PDGraphicsState state = getGraphicsState();
        Matrix ctm = state.getCurrentTransformationMatrix();
        float fontSize = state.getTextState().getFontSize();
        float horizontalScaling = state.getTextState().getHorizontalScaling() / 100f;
        Matrix textMatrix = getTextMatrix();

        // 1/2 the bbox is used as the height todo: why?
        float glyphHeight = font.getBoundingBox().getHeight() / 2;

        // transformPoint from glyph space -> text space
        float height = font.getFontMatrix().transformPoint(0, glyphHeight).y;

        // (modified) combined displacement, this is calculated *without* taking the character
        // spacing and word spacing into account, due to legacy code in TextStripper
        float tx = displacement.getX() * fontSize * horizontalScaling;
        float ty = 0; // todo: support vertical writing mode

        // (modified) combined displacement matrix
        Matrix td = Matrix.getTranslatingInstance(tx, ty);

        // (modified) text rendering matrix
        Matrix nextTextRenderingMatrix = td.multiply(textMatrix).multiply(ctm); // text space -> device space
        float nextX = nextTextRenderingMatrix.getXPosition();
        float nextY = nextTextRenderingMatrix.getYPosition();

        // (modified) width and height calculations
        float dxDisplay = nextX - textRenderingMatrix.getXPosition();
        float dyDisplay = height * textRenderingMatrix.getYScale();

 
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        {
            Graphics2D g2dOriginal = graphics;
            Area lastClipOriginal = lastClip;

            // get the CTM x Form Matrix transform
            Matrix ctm = getGraphicsState().getCurrentTransformationMatrix();
            Matrix transform = Matrix.concatenate(ctm, form.getMatrix());

            // transform the bbox
            PDRectangle bbox = form.getBBox().transform(transform);

            // clip the bbox to prevent giant bboxes from consuming all memory
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public class BeginText extends OperatorProcessor
{
    @Override
    public void process(Operator operator, List<COSBase> arguments) throws IOException
    {
        context.setTextMatrix( new Matrix());
        context.setTextLineMatrix( new Matrix() );
        context.beginText();
    }
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                numbers = t1Font.getFontMatrix();
            }

            if (numbers != null && numbers.size() == 6)
            {
                fontMatrix = new Matrix(numbers.get(0).floatValue(), numbers.get(1).floatValue(),
                                        numbers.get(2).floatValue(), numbers.get(3).floatValue(),
                                        numbers.get(4).floatValue(), numbers.get(5).floatValue());
            }
            else
            {
                fontMatrix = new Matrix(0.001f, 0, 0, 0.001f, 0, 0);
            }
        }
        return fontMatrix;
    }
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    public final Matrix getGammaMatrix()
    {
        COSArray matrix = (COSArray)dictionary.getDictionaryObject(COSName.MATRIX);
        if(matrix == null)
        {
            return new Matrix();
        }
        else
        {
           return new Matrix(matrix);
        }
    }
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        COSNumber c = (COSNumber) arguments.get(2);
        COSNumber d = (COSNumber) arguments.get(3);
        COSNumber e = (COSNumber) arguments.get(4);
        COSNumber f = (COSNumber) arguments.get(5);

        Matrix newMatrix = new Matrix();
        newMatrix.setValue(0, 0, a.floatValue());
        newMatrix.setValue(0, 1, b.floatValue());
        newMatrix.setValue(1, 0, c.floatValue());
        newMatrix.setValue(1, 1, d.floatValue());
        newMatrix.setValue(2, 0, e.floatValue());
        newMatrix.setValue(2, 1, f.floatValue());

        // this line has changed
        context.getGraphicsState().setCurrentTransformationMatrix(
                newMatrix.multiply(context.getGraphicsState().getCurrentTransformationMatrix()));
    }
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        COSNumber c = (COSNumber)arguments.get( 2 );
        COSNumber d = (COSNumber)arguments.get( 3 );
        COSNumber e = (COSNumber)arguments.get( 4 );
        COSNumber f = (COSNumber)arguments.get( 5 );

        Matrix textMatrix = new Matrix();
        textMatrix.setValue( 0, 0, a.floatValue() );
        textMatrix.setValue( 0, 1, b.floatValue() );
        textMatrix.setValue( 1, 0, c.floatValue() );
        textMatrix.setValue( 1, 1, d.floatValue() );
        textMatrix.setValue( 2, 0, e.floatValue() );
        textMatrix.setValue( 2, 1, f.floatValue() );
        context.setTextMatrix( textMatrix );
        context.setTextLineMatrix( textMatrix.clone() );
    }
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        if(xobject instanceof PDXObjectForm)
        {
            PDXObjectForm form = (PDXObjectForm)xobject;
            COSStream formContentstream = form.getCOSStream();
            // if there is an optional form matrix, we have to map the form space to the user space
            Matrix matrix = form.getMatrix();
            if (matrix != null)
            {
                Matrix xobjectCTM = matrix.multiply( context.getGraphicsState().getCurrentTransformationMatrix());
                context.getGraphicsState().setCurrentTransformationMatrix(xobjectCTM);
            }
            // find some optional resources, instead of using the current resources
            PDResources pdResources = form.getResources();
            context.processSubStream( context.getCurrentPage(), pdResources, formContentstream );
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Related Classes of org.apache.pdfbox.util.Matrix

  • net.timendum.pdf.Images2HTML
  • net.timendum.pdf.StatisticParser
  • org.apache.pdfbox.contentstream.operator.state.Concatenate
  • org.apache.pdfbox.contentstream.operator.state.SetMatrix
  • org.apache.pdfbox.contentstream.operator.text.BeginText
  • org.apache.pdfbox.contentstream.operator.text.MoveText
  • org.apache.pdfbox.contentstream.PDFStreamEngine
  • org.apache.pdfbox.contentstream.PDFTextStreamEngine
  • org.apache.pdfbox.cos.COSArray
  • org.apache.pdfbox.cos.COSFloat
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