Package com.itextpdf.kernel.pdf

Class PageResizer

java.lang.Object

com.itextpdf.kernel.pdf.PageResizer

       public class PageResizer extends Object
      

The PageResizer class provides functionality to resize PDF pages to a specified target page size using various resizing methods. It adjusts page dimensions, content, annotations, and resources accordingly, also supports configuration options for maintaining the aspect ratio during the resize operation.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	PageResizer.HorizontalAnchorPoint	Enum representing the horizontal anchor point used in the resizing and alignment of a page or content.
static enum	PageResizer.ResizeType	Enum representing the available types of resizing strategies when modifying the dimensions of a PDF page.
static enum	PageResizer.VerticalAnchorPoint	Represents the vertical alignment points used for resizing or aligning elements, particularly in the context of page rescaling.

Constructor Summary

Constructors

Constructor	Description
PageResizer(PageSize size, PageResizer.ResizeType type)	Constructs a new PageResizer instance with the specified page size and resize type.

Method Summary

Modifier and Type	Method	Description
PageResizer.HorizontalAnchorPoint	getHorizontalAnchorPoint()	Retrieves the horizontal anchor point of the PageResizer.
PageResizer.VerticalAnchorPoint	getVerticalAnchorPoint()	Retrieves the vertical anchor point of the PageResizer.
void	resize(PdfPage page)	Resizes a given PDF page based on the specified dimensions and resize type.
void	setHorizontalAnchorPoint(PageResizer.HorizontalAnchorPoint anchorPoint)	Sets the horizontal anchor point, which determines how the horizontal alignment is handled (e.g., LEFT, CENTER, RIGHT).
void	setVerticalAnchorPoint(PageResizer.VerticalAnchorPoint anchorPoint)	Sets the vertical anchor point, which determines how the vertical alignment is handled (e.g., TOP, CENTER, BOTTOM).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PageResizer

             public PageResizer
             (PageSize size, PageResizer.ResizeType type)
            

Constructs a new PageResizer instance with the specified page size and resize type.

Parameters:

size - the target page size to which the content should be resized

type - the resizing method to be applied, such as maintaining the aspect ratio

Method Details

getHorizontalAnchorPoint

             public PageResizer.HorizontalAnchorPoint getHorizontalAnchorPoint()
            

Retrieves the horizontal anchor point of the PageResizer.

Returns:

the horizontal anchor point, which determines the horizontal alignment (e.g., LEFT, CENTER, RIGHT).

setHorizontalAnchorPoint

             public void setHorizontalAnchorPoint
             (PageResizer.HorizontalAnchorPoint anchorPoint)
            

Sets the horizontal anchor point, which determines how the horizontal alignment is handled (e.g., LEFT, CENTER, RIGHT).

Parameters:

anchorPoint - the horizontal anchor point to set; it specifies the horizontal alignment type for resizing operations

getVerticalAnchorPoint

             public PageResizer.VerticalAnchorPoint getVerticalAnchorPoint()
            

Retrieves the vertical anchor point of the PageResizer.

Returns:

the vertical anchor point, which determines the vertical alignment (e.g., TOP, CENTER, BOTTOM).

setVerticalAnchorPoint

             public void setVerticalAnchorPoint
             (PageResizer.VerticalAnchorPoint anchorPoint)
            

Sets the vertical anchor point, which determines how the vertical alignment is handled (e.g., TOP, CENTER, BOTTOM).

Parameters:

anchorPoint - the vertical anchor point to set; it specifies the vertical alignment type for resizing operations

resize

             public void resize
             (PdfPage page)
            

Resizes a given PDF page based on the specified dimensions and resize type. Depending on the resize type, the aspect ratio may be maintained during scaling. Updates the page's content, annotations, and resources to reflect the new size.

Parameters:

page - the PDF page to be resized