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

Constructor Summary

Constructors

Constructor and 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 and 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 Detail

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 Detail

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