Package org.apache.pdfbox.util

Examples of org.apache.pdfbox.util.Matrix

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     * It maps the form space into the user space
     * @return the form matrix
     */
    public Matrix getMatrix()
    {
        Matrix returnMatrix = null;
        if (matrix == null)
        {
            matrix = (COSArray)getCOSDictionary().getDictionaryObject( COSName.MATRIX );
        }
        if( matrix != null )
        {
            returnMatrix = new Matrix();
            returnMatrix.setValue(0, 0, ((COSNumber) matrix.get(0)).floatValue());
            returnMatrix.setValue(0, 1, ((COSNumber) matrix.get(1)).floatValue());
            returnMatrix.setValue(1, 0, ((COSNumber) matrix.get(2)).floatValue());
            returnMatrix.setValue(1, 1, ((COSNumber) matrix.get(3)).floatValue());
            returnMatrix.setValue(2, 0, ((COSNumber) matrix.get(4)).floatValue());
            returnMatrix.setValue(2, 1, ((COSNumber) matrix.get(5)).floatValue());
        }
        return returnMatrix;
    }
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     *
     * @return the matrix
     */
    public Matrix getMatrix()
    {
        Matrix retval = null;
        COSArray array = (COSArray) getCOSDictionary().getDictionaryObject(COSName.MATRIX);
        if (array != null)
        {
            retval = new Matrix();
            retval.setValue(0, 0, ((COSNumber) array.get(0)).floatValue());
            retval.setValue(0, 1, ((COSNumber) array.get(1)).floatValue());
            retval.setValue(1, 0, ((COSNumber) array.get(2)).floatValue());
            retval.setValue(1, 1, ((COSNumber) array.get(3)).floatValue());
            retval.setValue(2, 0, ((COSNumber) array.get(4)).floatValue());
            retval.setValue(2, 1, ((COSNumber) array.get(5)).floatValue());
        }
        return retval;
    }
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        }

        matrix = shadingType.getMatrix();
        if (matrix == null)
        {
            matrix = new Matrix();
        }

        try
        {
            // get inverse transform to be independent of
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                int imageHeight = image.getHeight();
                double pageHeight = page.getMediaBox().getHeight();
                System.out.println("*******************************************************************");
                System.out.println("Found image [" + objectName.getName() + "]");
       
                Matrix ctmNew = getGraphicsState().getCurrentTransformationMatrix();
                float yScaling = ctmNew.getYScale();
                float angle = (float)Math.acos(ctmNew.getValue(0, 0)/ctmNew.getXScale());
                if (ctmNew.getValue(0, 1) < 0 && ctmNew.getValue(1, 0) > 0)
                {
                    angle = (-1)*angle;
                }
                ctmNew.setValue(2, 1, (float)(pageHeight - ctmNew.getYPosition() - Math.cos(angle)*yScaling));
                ctmNew.setValue(2, 0, (float)(ctmNew.getXPosition() - Math.sin(angle)*yScaling));
                // because of the moved 0,0-reference, we have to shear in the opposite direction
                ctmNew.setValue(0, 1, (-1)*ctmNew.getValue(0, 1));
                ctmNew.setValue(1, 0, (-1)*ctmNew.getValue(1, 0));
                AffineTransform ctmAT = ctmNew.createAffineTransform();
                ctmAT.scale(1f/imageWidth, 1f/imageHeight);

                float imageXScale = ctmNew.getXScale();
                float imageYScale = ctmNew.getYScale();
                System.out.println("position = " + ctmNew.getXPosition() + ", " + ctmNew.getYPosition());
                // size in pixel
                System.out.println("size = " + imageWidth + "px, " + imageHeight + "px");
                // size in page units
                System.out.println("size = " + imageXScale + ", " + imageYScale);
                // size in inches
                imageXScale /= 72;
                imageYScale /= 72;
                System.out.println("size = " + imageXScale + "in, " + imageYScale + "in");
                // size in millimeter
                imageXScale *= 25.4;
                imageYScale *= 25.4;
                System.out.println("size = " + imageXScale + "mm, " + imageYScale + "mm");
                System.out.println();
            }
            else if(xobject instanceof PDXObjectForm)
            {
                // save the graphics state
                getGraphicsStack().push( (PDGraphicsState)getGraphicsState().clone() );
                PDPage page = getCurrentPage();
               
                PDXObjectForm form = (PDXObjectForm)xobject;
                COSStream invoke = (COSStream)form.getCOSObject();
                PDResources pdResources = form.getResources();
                if(pdResources == null)
                {
                    pdResources = page.findResources();
                }
                // 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( getGraphicsState().getCurrentTransformationMatrix());
                    getGraphicsState().setCurrentTransformationMatrix(xobjectCTM);
                }
                processSubStream( page, pdResources, invoke );
               
                // restore the graphics state
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                int imageHeight = awtImage.getHeight();
                double pageHeight = drawer.getPageSize().getHeight();

                LOG.debug("imageWidth: " + imageWidth + "\t\timageHeight: " + imageHeight);
       
                Matrix ctm = drawer.getGraphicsState().getCurrentTransformationMatrix();
                float yScaling = ctm.getYScale();
                float angle = (float)Math.acos(ctm.getValue(0, 0)/ctm.getXScale());
                if (ctm.getValue(0, 1) < 0 && ctm.getValue(1, 0) > 0)
                {
                    angle = (-1)*angle;
                }
                ctm.setValue(2, 1, (float)(pageHeight - ctm.getYPosition() - Math.cos(angle)*yScaling));
                ctm.setValue(2, 0, (float)(ctm.getXPosition() - Math.sin(angle)*yScaling));
                // because of the moved 0,0-reference, we have to shear in the opposite direction
                ctm.setValue(0, 1, (-1)*ctm.getValue(0, 1));
                ctm.setValue(1, 0, (-1)*ctm.getValue(1, 0));
                AffineTransform ctmAT = ctm.createAffineTransform();
                ctmAT.scale(1f/imageWidth, 1f/imageHeight);
                drawer.drawImage( awtImage, ctmAT );
            }
            catch( Exception e )
            {
                e.printStackTrace();
                LOG.error(e, e);
            }
        }
        else if(xobject instanceof PDXObjectForm)
        {
            // save the graphics state
            context.getGraphicsStack().push( (PDGraphicsState)context.getGraphicsState().clone() );
           
            PDXObjectForm form = (PDXObjectForm)xobject;
            COSStream invoke = (COSStream)form.getCOSObject();
            PDResources pdResources = form.getResources();
            if(pdResources == null)
            {
                pdResources = page.findResources();
            }
            // 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);
            }
            getContext().processSubStream( page, pdResources, invoke );
           
            // restore the graphics state
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                    graphics.setComposite( this.getGraphicsState().getNonStrokeJavaComposite() );
                    graphics.setColor( this.getGraphicsState().getNonStrokingColor().getJavaColor() );
            }

            PDFont font = text.getFont();
            Matrix textPos = text.getTextPos().copy();
            float x = textPos.getXPosition();
            // the 0,0-reference has to be moved from the lower left (PDF) to the upper left (AWT-graphics)
            float y = pageSize.height - textPos.getYPosition();
            // Set translation to 0,0. We only need the scaling and shearing
            textPos.setValue(2, 0, 0);
            textPos.setValue(2, 1, 0);
            // because of the moved 0,0-reference, we have to shear in the opposite direction
            textPos.setValue(0, 1, (-1)*textPos.getValue(0, 1));
            textPos.setValue(1, 0, (-1)*textPos.getValue(1, 0));
            AffineTransform at = textPos.createAffineTransform();
            PDMatrix fontMatrix = font.getFontMatrix();
            at.scale(fontMatrix.getValue(0, 0) * 1000f, fontMatrix.getValue(1, 1) * 1000f);
            graphics.setClip(getGraphicsState().getCurrentClippingPath());
            // the fontSize is no longer needed as it is already part of the transformation
            // we should remove it from the parameter list in the long run
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            }
            graphics.setComposite(composite);
            graphics.setPaint(paint);
           
            PDFont font = text.getFont();
            Matrix textPos = text.getTextPos().copy();
            float x = textPos.getXPosition();
            // the 0,0-reference has to be moved from the lower left (PDF) to the upper left (AWT-graphics)
            float y = pageSize.height - textPos.getYPosition();
            // Set translation to 0,0. We only need the scaling and shearing
            textPos.setValue(2, 0, 0);
            textPos.setValue(2, 1, 0);
            // because of the moved 0,0-reference, we have to shear in the opposite direction
            textPos.setValue(0, 1, (-1)*textPos.getValue(0, 1));
            textPos.setValue(1, 0, (-1)*textPos.getValue(1, 0));
            AffineTransform at = textPos.createAffineTransform();
            PDMatrix fontMatrix = font.getFontMatrix();
            at.scale(fontMatrix.getValue(0, 0) * 1000f, fontMatrix.getValue(1, 1) * 1000f);
            //TODO setClip() is a massive performance hot spot. Investigate optimization possibilities
            graphics.setClip(graphicsState.getCurrentClippingPath());
            // the fontSize is no longer needed as it is already part of the transformation
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    public void shFill(COSName shadingName) throws IOException
    {
        PDShadingResources shading = getResources().getShadings().get(shadingName.getName());
        LOG.debug("Shading = " + shading.toString());
        int shadingType = shading.getShadingType();
        Matrix ctm = getGraphicsState().getCurrentTransformationMatrix();
        Paint paint = null;
        switch (shadingType)
        {
            case 1:
                // TODO
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     *
     * @return the matrix
     */
    public Matrix getMatrix()
    {
        Matrix retval = null;
        COSArray array = (COSArray)getCOSDictionary().getDictionaryObject( COSName.MATRIX );
        if( array != null )
        {
            retval = new Matrix();
            retval.setValue(0, 0, ((COSNumber) array.get(0)).floatValue());
            retval.setValue(0, 1, ((COSNumber) array.get(1)).floatValue());
            retval.setValue(1, 0, ((COSNumber) array.get(2)).floatValue());
            retval.setValue(1, 1, ((COSNumber) array.get(3)).floatValue());
            retval.setValue(2, 0, ((COSNumber) array.get(4)).floatValue());
            retval.setValue(2, 1, ((COSNumber) array.get(5)).floatValue());
        }
        return retval;
    }
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     * It maps the form space into the user space
     * @return the form matrix
     */
    public Matrix getMatrix()
    {
        Matrix returnMatrix = null;
        if (matrix == null)
        {
            matrix = (COSArray)getCOSDictionary().getDictionaryObject( COSName.MATRIX );
        }
        if( matrix != null )
        {
            returnMatrix = new Matrix();
            returnMatrix.setValue(0, 0, ((COSNumber) matrix.get(0)).floatValue());
            returnMatrix.setValue(0, 1, ((COSNumber) matrix.get(1)).floatValue());
            returnMatrix.setValue(1, 0, ((COSNumber) matrix.get(2)).floatValue());
            returnMatrix.setValue(1, 1, ((COSNumber) matrix.get(3)).floatValue());
            returnMatrix.setValue(2, 0, ((COSNumber) matrix.get(4)).floatValue());
            returnMatrix.setValue(2, 1, ((COSNumber) matrix.get(5)).floatValue());
        }
        return returnMatrix;
    }
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Related Classes of org.apache.pdfbox.util.Matrix

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  • org.apache.pdfbox.contentstream.operator.state.Concatenate
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  • org.apache.pdfbox.cos.COSArray
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