Package eu.europa.esig.dss.pdf.pdfbox.visible

Class ImageRotationUtils

java.lang.Object

eu.europa.esig.dss.pdf.pdfbox.visible.ImageRotationUtils

public class ImageRotationUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static int	ANGLE_180
static int	ANGLE_270
static int	ANGLE_360
static int	ANGLE_90
static String	SUPPORTED_ANGLES_ERROR_MESSAGE

Method Summary

Modifier and Type	Method	Description
static int	getRotation(SignatureImageParameters.VisualSignatureRotation visualSignatureRotation)	Returns rotation parameter not depending on the page rotation
static int	getRotation(SignatureImageParameters.VisualSignatureRotation visualSignatureRotation, org.apache.pdfbox.pdmodel.PDPage pdPage)	Returns rotation based on the page's default rotation parameter
static boolean	isSwapOfDimensionsRequired(int rotation)	Verifies if swap of dimensions is required with the current rotation
static boolean	isSwapOfDimensionsRequired(SignatureImageParameters.VisualSignatureRotation visualSignatureRotation)	Verifies if swap of dimensions is required with the current rotation

Methods inherited from class java.lang.Object

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

Field Detail

SUPPORTED_ANGLES_ERROR_MESSAGE

public static final String SUPPORTED_ANGLES_ERROR_MESSAGE

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Constant Field Values

ANGLE_360

public static final int ANGLE_360

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Constant Field Values

ANGLE_90

public static final int ANGLE_90

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Constant Field Values

ANGLE_180

public static final int ANGLE_180

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Constant Field Values

ANGLE_270

public static final int ANGLE_270

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Constant Field Values

Method Detail

getRotation

public static int getRotation(SignatureImageParameters.VisualSignatureRotation visualSignatureRotation)

Returns rotation parameter not depending on the page rotation

Parameters:

visualSignatureRotation - SignatureImageParameters.VisualSignatureRotation

Returns:

int rotation angle

getRotation

public static int getRotation(SignatureImageParameters.VisualSignatureRotation visualSignatureRotation,
                              org.apache.pdfbox.pdmodel.PDPage pdPage)

Returns rotation based on the page's default rotation parameter

Parameters:

visualSignatureRotation - SignatureImageParameters.VisualSignatureRotation

pdPage - PDPage to get default rotation from

Returns:

int rotation angle

isSwapOfDimensionsRequired

public static boolean isSwapOfDimensionsRequired(SignatureImageParameters.VisualSignatureRotation visualSignatureRotation)

Verifies if swap of dimensions is required with the current rotation

Parameters:

visualSignatureRotation - SignatureImageParameters.VisualSignatureRotation

Returns:

TRUE is swap of dimensions is required, FALSE otherwise

isSwapOfDimensionsRequired

public static boolean isSwapOfDimensionsRequired(int rotation)

Verifies if swap of dimensions is required with the current rotation

Parameters:

rotation - int rotation degree

Returns:

TRUE is swap of dimensions is required, FALSE otherwise