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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.export;
import java.awt.Font;
import java.awt.Shape;
import java.awt.font.GlyphVector;
import java.awt.font.TextAttribute;
import java.text.AttributedCharacterIterator.Attribute;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfGraphics2D;
import net.sf.jasperreports.export.pdf.classic.ClassicPdfProducer;
/**
* @author Lucian Chirita ([email protected])
*/
public class PdfGlyphGraphics2D extends PdfGraphics2D
{
private static final float BOLD_STRIKE_FACTOR = 1f / 30f;
private static final float ITALIC_ANGLE = .21256f;
private boolean initialized;
private PdfContentByte pdfContentByte;
private JRPdfExporter pdfExporter;
private ClassicPdfProducer pdfProducer;
private Locale locale;
public PdfGlyphGraphics2D(PdfContentByte pdfContentByte, JRPdfExporter pdfExporter,
ClassicPdfProducer pdfProducer, Locale locale)
{
super(pdfContentByte,
pdfExporter.getCurrentPageFormat().getPageWidth(), pdfExporter.getCurrentPageFormat().getPageHeight(),
null, true, false, 0);
this.initialized = true;
this.pdfContentByte = pdfContentByte;
this.pdfExporter = pdfExporter;
this.pdfProducer = pdfProducer;
this.locale = locale;
}
@Override
public void clip(Shape s)
{
if (!initialized)
{
//skipping the initial clip called from the PdfGraphics2D constructor
return;
}
super.clip(s);
}
@Override
public void drawGlyphVector(GlyphVector glyphVector, float x, float y)
{
Font awtFont = glyphVector.getFont();
Map fontAttrs = new HashMap<>();
Map awtFontAttributes = awtFont.getAttributes();
fontAttrs.putAll(awtFontAttributes);
//the following relies on FontInfo.getFontInfo matching the face/font name
com.lowagie.text.Font currentFont = pdfProducer.getFont(fontAttrs, locale);
boolean bold = (currentFont.getStyle() & com.lowagie.text.Font.BOLD) != 0;
boolean italic = (currentFont.getStyle() & com.lowagie.text.Font.ITALIC) != 0;
PdfContentByte text = pdfContentByte.getDuplicate();
text.beginText();
float[] originalCoords = new float[]{x, y};
float[] transformedCoors = new float[2];
getTransform().transform(originalCoords, 0, transformedCoors, 0, 1);
text.setTextMatrix(1, 0, italic ? ITALIC_ANGLE : 0f, 1,
transformedCoors[0], pdfExporter.getCurrentPageFormat().getPageHeight() - transformedCoors[1]);
double scaleX = awtFont.getTransform().getScaleX();
double scaleY = awtFont.getTransform().getScaleY();
double minScale = Math.min(scaleX, scaleY);
text.setFontAndSize(currentFont.getBaseFont(), (float) (minScale * awtFont.getSize2D()));
if (bold)
{
text.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE);
text.setLineWidth(currentFont.getSize() * BOLD_STRIKE_FACTOR);
text.setColorStroke(getColor());
}
text.setColorFill(getColor());
//FIXME find a way to determine the characters that correspond to this glyph vector
// so that we can map the font glyphs that do not directly map to a character
text.showText(glyphVector);
text.resetRGBColorFill();
if (bold)
{
text.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
text.setLineWidth(1f);
text.resetRGBColorStroke();
}
text.endText();
pdfContentByte.add(text);
}
}