PDF::API2::Page - phpMan

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NAME
    PDF::API2::Page - Methods to interact with individual pages

SYNOPSIS
        my $pdf = PDF::API2->new();

        # Add a page to a new or existing PDF
        my $page = $pdf->page();

        # Set the page size
        $page->size('letter');

        # Set prepress page boundaries
        $page->boundaries(media => '12x18', trim => 0.5 * 72);

        # Add an image
        my $image = $pdf->image('/path/to/file.jpg');
        $page->object($image, $x, $y, $w, $h);

        # Add textual content
        my $text = $page->text();

        # Add graphical content (paths and shapes)
        my $canvas = $page->graphics();

METHODS
  size
        # Set the page size using a common name
        $page->size('letter');

        # Set the page size using coordinates in points (X1, Y1, X2, Y2)
        $page->size([0, 0, 612, 792]);

        # Get the page coordinates in points
        my @rectangle = $page->size();

    Set the physical page size (a.k.a. media box) when called with an
    argument. See "Page Sizes" below for possible values. Returns the $page
    object.

    Returns the coordinates of the rectangle enclosing the physical page
    size when called without arguments.

    The size method is a convenient shortcut for setting the PDF's media box
    when print-related page boundaries aren't required. It's equivalent to
    the following:

        # Set
        $page = $page->boundaries(media => $size);

        # Get
        @rectangle = $page->boundaries->{'media'}->@*;

  boundaries
        # Set
        $page->boundaries(
            media => '13x19',
            bleed => [0.75 * 72, 0.75 * 72, 12.25 * 72, 18.25 * 72],
            trim  => 0.25 * 72,
        );

        # Get
        %boundaries = $page->boundaries();
        ($x1, $y1, $x2, $y2) = $page->boundaries('trim');

    Set prepress page boundaries when called with a hash containing one or
    more page boundary definitions. Returns the $page object.

    Returns the current page boundaries if called without arguments. Returns
    the coordinates for the specified page boundary if called with one
    argument.

   Page Boundaries
    PDF defines five page boundaries. When creating PDFs for print shops,
    you'll most commonly use just the media box and trim box. Traditional
    print shops may also use the bleed box when adding printer's marks and
    other information.

    *   media

        The media box defines the boundaries of the physical medium on which
        the page is to be printed. It may include any extended area
        surrounding the finished page for bleed, printing marks, or other
        such purposes. The default value is a US letter page (8.5" x 11").

    *   crop

        The crop box defines the region to which the contents of the page
        shall be clipped (cropped) when displayed or printed. The default
        value is the page's media box.

        This is a historical page boundary. You'll likely want to set the
        bleed and/or trim boxes instead.

    *   bleed

        The bleed box defines the region to which the contents of the page
        shall be clipped when output in a production environment. This may
        include any extra bleed area needed to accommodate the physical
        limitations of cutting, folding, and trimming equipment. The actual
        printed page (media box) may include printing marks that fall
        outside the bleed box. The default value is the page's crop box.

    *   trim

        The trim box defines the intended dimensions of the finished page
        after trimming. It may be smaller than the media box to allow for
        production-related content, such as printing instructions, cut
        marks, or color bars. The default value is the page's crop box.

    *   art

        The art box defines the extent of the page's meaningful content
        (including potential white space) as intended by the page's creator.
        The default value is the page's crop box.

   Page Sizes
    PDF page sizes are stored as rectangle coordinates. For convenience,
    PDF::API2 also supports a number of aliases and shortcuts that are more
    human-friendly.

    The following formats are available:

    *   a standard paper size

            $page->boundaries(media => 'A4');

        Aliases for the most common paper sizes are built in
        (case-insensitive).

        US: Letter, Legal, Ledger, Tabloid

        Metric: 4A0, 2A0, A0 - A6, 4B0, 2B0, and B0 - B6

    *   a "WxH" string in inches

            $page->boundaries(media => '8.5x11');

        Many US paper sizes are commonly identified by their size in inches
        rather than by a particular name. These can be passed as strings
        with the width and height separated by an "x".

        Examples: "4x6", "12x18", "8.5x11"

    *   a number (in points) representing a reduction from the next-larger
        box

            # Note: There are 72 points per inch
            $page->boundaries(media => '12x18', trim => 0.5 * 72);

            # Equivalent
            $page->boundaries(media => [0,        0,        12   * 72, 18   * 72],
                              trim  => [0.5 * 72, 0.5 * 72, 11.5 * 72, 17.5 * 72]);

        This example shows a 12" x 18" physical sheet that will be reduced
        to a final size of 11" x 17" by trimming 0.5" from each edge. The
        smaller boundary is assumed to be centered on the larger one.

        The "next-larger box" follows this order, stopping at the first
        defined value:

            art -> trim -> bleed -> media

            crop -> media

        This option isn't available for the media box since it is by
        definition the largest boundary.

    *   [$width, $height] in points

            $page->boundaries(media => [8.5 * 72, 11 * 7.2]);

        For other page or boundary sizes, the width and height (in points)
        can be given directly as an array.

    *   [$x1, $y1, $x2, $y2] in points

            $page->boundaries(media => [0, 0, 8.5 * 72, 11 * 72]);

        Finally, the raw coordinates of the bottom-left and top-right
        corners of a rectangle can be specified.

  rotation
        $page = $page->rotation($degrees);

    Rotates the page clockwise when displayed or printed. $degrees must be a
    multiple of 90 and may be negative for counter-clockwise rotation.

    The coordinate system follows the page rotation. In other words, after
    rotating the page 180 degrees, [0, 0] will be in the top right corner of
    the page rather than the bottom left, X will increase to the right, and
    Y will increase downward.

    To create a landscape page without moving the origin, use "size".

  graphics
        my $canvas = $page->graphics(%options);

    Returns a PDF::API2::Content object for drawing paths and shapes.

    The following options are available:

    *   prepend (boolean)

        If true, place the drawing at the beginning of the page's content
        stream instead of the end.

    *   compress (boolean)

        Manually specify whether the drawing instructions should be
        compressed. If unspecified, the PDF's compression setting will be
        used, which is on by default.

  text
        my $text = $page->text(%options);

    Returns a PDF::API2::Content object for including textual content.

    The options are the same as the "graphics" method.

  object
        $page = $page->object($object, $x, $y, $scale_x, $scale_y);

    Places an image or other external object (a.k.a. XObject) on the page in
    the specified location.

    For images, $scale_x and $scale_y represent the width and height of the
    image on the page in points. If $scale_x is omitted, it will default to
    72 pixels per inch. If $scale_y is omitted, the image will be scaled
    proportionally based on the image dimensions.

    For other external objects, the scale is a multiplier, where 1 (the
    default) represents 100% (i.e. no change).

    If the object to be placed depends on a coordinate transformation (e.g.
    rotation or skew), first create a content object using "graphics", then
    call "object" in PDF::API2::Content after making the appropriate
    transformations.

  annotation
        my $annotation = $page->annotation();

    Returns a new PDF::API2::Annotation object.

MIGRATION
    See "MIGRATION" in PDF::API2 for an overview.

    gfx Replace with "graphics".

    rotate
        Replace with "rotation".

    mediabox
    get_mediabox
        Replace with "size" if not in a print shop environment or
        "boundaries" if more complex page boundaries are needed.

        If using page size aliases (e.g. "letter" or "A4"), check the Page
        Sizes section to ensure that the alias you're using is still
        supported (you'll get an error if it isn't).

    cropbox
    bleedbox
    trimbox
    artbox
    get_cropbox
    get_bleedbox
    get_trimbox
    get_artbox
        Replace with "boundaries".


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