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Subject: Re: Orientation printout - used 2.0.0.RC3 release
From: John Hewson <john@jahewson.com>
In-Reply-To: <56E86CA3.4030700@t-online.de>
Date: Wed, 16 Mar 2016 17:33:56 -0700
Content-Transfer-Encoding: quoted-printable
Message-Id: <223FA9C1-C329-45CD-AB67-1C2078F46562@jahewson.com>
References: <34e814cdc7eb2cba9a9c87f942829217@mail.gmail.com>
 <56E86CA3.4030700@t-online.de>
To: users@pdfbox.apache.org


> On 15 Mar 2016, at 13:12, Tilman Hausherr <THausherr@t-online.de> =
wrote:
>=20
> I recommend that you try with your own version of PDFPageable. I =
looked at the code and IMHO the problem is that a rotation is set that =
you don't want. See in getPageFormat. I haven't tested it, but I assume =
you should delete these lines:
>=20
>=20
>        if (mediaBox.getWidth() > mediaBox.getHeight())
>        {
>            // rotate
>            paper =3D new Paper();
>            paper.setSize(mediaBox.getHeight(), mediaBox.getWidth());
>            paper.setImageableArea(cropBox.getLowerLeftY(), =
cropBox.getLowerLeftX(),
>                    cropBox.getHeight(), cropBox.getWidth());
>            isLandscape =3D true;
>        }
>        else

You don=92t want to do that though, because Java doesn=92t handle =
landscape sized paper correctly. So it=92s necessary to always print in =
portrait, rotating any landscape pages first, and flagging them as being =
landscape.

=97 John

> Here's the full code. If this doesn't get through, download the source =
code.
>=20
>=20
> public final class PDFPageable extends Book
> {
>    private final PDDocument document;
>    private final boolean showPageBorder;
>    private final float dpi;
>    private final Orientation orientation;
>=20
>    /**
>     * Creates a new PDFPageable.
>     *
>     * @param document the document to print
>     */
>    public PDFPageable(PDDocument document)
>    {
>        this(document, Orientation.AUTO, false, 0);
>    }
>=20
>    /**
>     * Creates a new PDFPageable with the given page orientation.
>     *
>     * @param document the document to print
>     * @param orientation page orientation policy
>     */
>    public PDFPageable(PDDocument document, Orientation orientation)
>    {
>        this(document, orientation, false, 0);
>    }
>=20
>    /**
>     * Creates a new PDFPageable with the given page orientation and =
with optional page borders
>     * shown. The image will be rasterized at the given DPI before =
being sent to the printer.
>     *
>     * @param document the document to print
>     * @param orientation page orientation policy
>     * @param showPageBorder true if page borders are to be printed
>     */
>    public PDFPageable(PDDocument document, Orientation orientation, =
boolean showPageBorder)
>    {
>        this(document, orientation, showPageBorder, 0);
>    }
>=20
>    /**
>     * Creates a new PDFPageable with the given page orientation and =
with optional page borders
>     * shown. The image will be rasterized at the given DPI before =
being sent to the printer.
>     *
>     * @param document the document to print
>     * @param orientation page orientation policy
>     * @param showPageBorder true if page borders are to be printed
>     * @param dpi if non-zero then the image will be rasterized at the =
given DPI
>     */
>    public PDFPageable(PDDocument document, Orientation orientation, =
boolean showPageBorder,
>                       float dpi)
>    {
>        this.document =3D document;
>        this.orientation =3D orientation;
>        this.showPageBorder =3D showPageBorder;
>        this.dpi =3D dpi;
>    }
>=20
>    @Override
>    public int getNumberOfPages()
>    {
>        return document.getNumberOfPages();
>    }
>=20
>    /**
>     * {@inheritDoc}
>     *
>     * Returns the actual physical size of the pages in the PDF file. =
May not fit the local printer.
>     */
>    @Override
>    public PageFormat getPageFormat(int pageIndex)
>    {
>        PDPage page =3D document.getPage(pageIndex);
>        PDRectangle mediaBox =3D PDFPrintable.getRotatedMediaBox(page);
>        PDRectangle cropBox =3D PDFPrintable.getRotatedCropBox(page);
>=20
>        // Java does not seem to understand landscape paper sizes, i.e. =
where width > height, it
>        // always crops the imageable area as if the page were in =
portrait. I suspect that this is
>        // a JDK bug but it might be by design, see PDFBOX-2922.
>        //
>        // As a workaround, we normalise all Page(s) to be portrait, =
then flag them as landscape in
>        // the PageFormat.
>        Paper paper;
>        boolean isLandscape;
>        if (mediaBox.getWidth() > mediaBox.getHeight())
>        {
>            // rotate
>            paper =3D new Paper();
>            paper.setSize(mediaBox.getHeight(), mediaBox.getWidth());
>            paper.setImageableArea(cropBox.getLowerLeftY(), =
cropBox.getLowerLeftX(),
>                    cropBox.getHeight(), cropBox.getWidth());
>            isLandscape =3D true;
>        }
>        else
>        {
>            paper =3D new Paper();
>            paper.setSize(mediaBox.getWidth(), mediaBox.getHeight());
>            paper.setImageableArea(cropBox.getLowerLeftX(), =
cropBox.getLowerLeftY(),
>                    cropBox.getWidth(), cropBox.getHeight());
>            isLandscape =3D false;
>        }
>=20
>        PageFormat format =3D new PageFormat();
>        format.setPaper(paper);
>=20
>        // auto portrait/landscape
>        if (orientation =3D=3D Orientation.AUTO)
>        {
>            if (isLandscape)
>            {
>                format.setOrientation(PageFormat.LANDSCAPE);
>            }
>            else
>            {
>                format.setOrientation(PageFormat.PORTRAIT);
>            }
>        }
>        else if (orientation =3D=3D Orientation.LANDSCAPE)
>        {
>            format.setOrientation(PageFormat.LANDSCAPE);
>        }
>        else if (orientation =3D=3D Orientation.PORTRAIT)
>        {
>            format.setOrientation(PageFormat.PORTRAIT);
>        }
>=20
>        return format;
>    }
>=20
>    @Override
>    public Printable getPrintable(int i)
>    {
>        if (i >=3D getNumberOfPages())
>        {
>            throw new IndexOutOfBoundsException(i + " >=3D " + =
getNumberOfPages());
>        }
>        return new PDFPrintable(document, Scaling.ACTUAL_SIZE, =
showPageBorder, dpi);
>    }
> }
>=20
>=20
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>=20


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