com.groupdocs.watermark.internal

Class PdfWatermarkingUtils

java.lang.Object

com.groupdocs.watermark.internal.PdfWatermarkingUtils

public class PdfWatermarkingUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
PdfWatermarkingUtils()

Method Summary

Modifier and Type	Method and Description
static void	fillTextState(com.aspose.pdf.TextState textState, TextWatermark watermark, Content parent) Initializes Aspose.Pdf.Text.TextState object using TextWatermark values.
static com.aspose.pdf.Operator[]	getBackgroundColorOperators(Color color, com.aspose.pdf.Rectangle rectangle) Gets a collection of operators representing text background.
static com.aspose.pdf.Matrix	getTransformationMatrix(ImageWatermark watermark, double width, double height, PdfPage page) Calculates transformation matrix for an image watermark.
static com.aspose.pdf.Matrix	getTransformationMatrix(TextWatermark watermark, double width, double height, PdfPage page) Calculates transformation matrix for a text watermark.
static void	initializeWrapperForm(com.aspose.pdf.XForm form, com.aspose.pdf.Matrix transformationMatrix, String innerFormName) Initializes a form with required operators to display inner form/image applying transformation.
static double	measureWidth(TextWatermark watermark, PdfPage page)
static String[]	splitText(String text) Splits a text into separate lines.

Methods inherited from class java.lang.Object

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

Constructor Detail

PdfWatermarkingUtils

public PdfWatermarkingUtils()

Method Detail

fillTextState

public static void fillTextState(com.aspose.pdf.TextState textState,
                                 TextWatermark watermark,
                                 Content parent)

Initializes Aspose.Pdf.Text.TextState object using TextWatermark values.

Parameters:

textState - Text state object.

watermark - Text watermark.

parent -

getBackgroundColorOperators

public static com.aspose.pdf.Operator[] getBackgroundColorOperators(Color color,
                                                                    com.aspose.pdf.Rectangle rectangle)

Gets a collection of operators representing text background.

Parameters:

color - Background color.

rectangle - Text rectangle.

Returns:

The collection of operators.

getTransformationMatrix

public static com.aspose.pdf.Matrix getTransformationMatrix(ImageWatermark watermark,
                                                            double width,
                                                            double height,
                                                            PdfPage page)

Calculates transformation matrix for an image watermark.

Parameters:

watermark - Watermark instance.

width - Current width of the watermark object that was calculated by Aspose.Pdf.

height - Current height of the watermark object that was calculated by Aspose.Pdf.

page - Page where the watermark should be placed.

Returns:

Transformation matrix.

getTransformationMatrix

public static com.aspose.pdf.Matrix getTransformationMatrix(TextWatermark watermark,
                                                            double width,
                                                            double height,
                                                            PdfPage page)

Calculates transformation matrix for a text watermark.

Parameters:

watermark - Watermark instance.

width - Current width of the watermark object that was calculated by Aspose.Pdf.

height - Current height of the watermark object that was calculated by Aspose.Pdf.

page - Page where the watermark should be placed.

Returns:

Transformation matrix.

initializeWrapperForm

public static void initializeWrapperForm(com.aspose.pdf.XForm form,
                                         com.aspose.pdf.Matrix transformationMatrix,
                                         String innerFormName)

Initializes a form with required operators to display inner form/image applying transformation.

Parameters:

form - From to initialize.

transformationMatrix - Transformation matrix.

innerFormName - The name of inner XObject.

measureWidth

public static double measureWidth(TextWatermark watermark,
                                  PdfPage page)

splitText

public static String[] splitText(String text)

Splits a text into separate lines.

Parameters:

text - Text to split.

Returns:

Array of lines.