com.itextpdf.text.pdf.PdfShadingPattern Maven / Gradle / Ivy
/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
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package com.itextpdf.text.pdf;
import java.io.IOException;
import com.itextpdf.text.error_messages.MessageLocalization;
/** Implements the shading pattern dictionary.
*
* @author Paulo Soares
*/
public class PdfShadingPattern extends PdfDictionary {
protected PdfShading shading;
protected PdfWriter writer;
protected float matrix[] = {1, 0, 0, 1, 0, 0};
protected PdfName patternName;
protected PdfIndirectReference patternReference;
/** Creates new PdfShadingPattern */
public PdfShadingPattern(PdfShading shading) {
writer = shading.getWriter();
put(PdfName.PATTERNTYPE, new PdfNumber(2));
this.shading = shading;
}
PdfName getPatternName() {
return patternName;
}
PdfName getShadingName() {
return shading.getShadingName();
}
PdfIndirectReference getPatternReference() {
if (patternReference == null)
patternReference = writer.getPdfIndirectReference();
return patternReference;
}
PdfIndirectReference getShadingReference() {
return shading.getShadingReference();
}
void setName(int number) {
patternName = new PdfName("P" + number);
}
public void addToBody() throws IOException {
put(PdfName.SHADING, getShadingReference());
put(PdfName.MATRIX, new PdfArray(matrix));
writer.addToBody(this, getPatternReference());
}
public void setMatrix(float matrix[]) {
if (matrix.length != 6)
throw new RuntimeException(MessageLocalization.getComposedMessage("the.matrix.size.must.be.6"));
this.matrix = matrix;
}
public float[] getMatrix() {
return matrix;
}
public PdfShading getShading() {
return shading;
}
ColorDetails getColorDetails() {
return shading.getColorDetails();
}
}