updated control access
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Quality System Admin
198
old code/tray/src/qz/printer/rendering/PdfFontPageDrawer.java
Executable file
198
old code/tray/src/qz/printer/rendering/PdfFontPageDrawer.java
Executable file
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package qz.printer.rendering;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import org.apache.pdfbox.pdmodel.common.PDStream;
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import org.apache.pdfbox.pdmodel.font.*;
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import org.apache.pdfbox.rendering.PageDrawer;
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import org.apache.pdfbox.rendering.PageDrawerParameters;
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import org.apache.pdfbox.util.Matrix;
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import org.apache.pdfbox.util.Vector;
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import java.awt.*;
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import java.awt.geom.AffineTransform;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* PageDrawer overrides derived from PDFBOX 1.8
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* with the help of Alexander Scherbatiy
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*/
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public class PdfFontPageDrawer extends PageDrawer {
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private static final Logger log = LogManager.getLogger(PdfFontPageDrawer.class);
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private String fallbackFont = "helvetica"; //todo - definable parameter?
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private final Map<PDFont,Font> fonts = new HashMap<>();
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public PdfFontPageDrawer(PageDrawerParameters parameters, boolean ignoresTransparency) throws IOException {
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super(parameters);
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if (ignoresTransparency) {
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// Note: These must match ParamPdfRenderer's OpaquePageDrawer
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addOperator(new OpaqueDrawObject());
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addOperator(new OpaqueGraphicStateParameters());
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}
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}
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@Override
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protected void showGlyph(Matrix textRenderingMatrix, PDFont font, int code, Vector displacement) throws IOException {
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// fall-back to draw Glyph when awt font has not been found
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AffineTransform at = textRenderingMatrix.createAffineTransform();
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at.concatenate(font.getFontMatrix().createAffineTransform());
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Graphics2D graphics = getGraphics();
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setClip();
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AffineTransform prevTx = graphics.getTransform();
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stretchNonEmbeddedFont(at, font, code, displacement);
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// Probably relates to DEFAULT_FONT_MATRIX transform from PDFont
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at.scale(100, -100);
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graphics.transform(at);
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graphics.setComposite(getGraphicsState().getNonStrokingJavaComposite());
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graphics.setPaint(getNonStrokingPaint());
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Font prevFont = graphics.getFont();
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Font awtFont = getAwtFont(font);
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graphics.setFont(awtFont);
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graphics.drawString(font.toUnicode(code), 0, 0);
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graphics.setFont(prevFont);
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graphics.setTransform(prevTx);
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}
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private void stretchNonEmbeddedFont(AffineTransform at, PDFont font, int code, Vector displacement) throws IOException {
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// Stretch non-embedded glyph if it does not match the height/width contained in the PDF.
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// Vertical fonts have zero X displacement, so the following code scales to 0 if we don't skip it.
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if (!font.isEmbedded() && !font.isVertical() && !font.isStandard14() && font.hasExplicitWidth(code)) {
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float fontWidth = font.getWidthFromFont(code);
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if (fontWidth > 0 && Math.abs(fontWidth - displacement.getX() * 1000) > 0.0001) {
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float pdfWidth = displacement.getX() * 1000;
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at.scale(pdfWidth / fontWidth, 1);
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}
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}
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}
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private Font cacheFont(PDFont font, Font awtFont) {
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fonts.put(font, awtFont);
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return awtFont;
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}
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private Font getAwtFont(PDFont font) throws IOException {
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Font awtFont = fonts.get(font);
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if (awtFont != null) {
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return awtFont;
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}
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if (font instanceof PDType0Font) {
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return cacheFont(font, getPDType0AwtFont((PDType0Font)font));
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}
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if (font instanceof PDType1Font) {
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return cacheFont(font, getPDType1AwtFont((PDType1Font)font));
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}
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String msg = String.format("Not yet implemented: %s", font.getClass().getName());
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throw new UnsupportedOperationException(msg);
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}
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public Font getPDType0AwtFont(PDType0Font font) throws IOException {
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Font awtFont = null;
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PDCIDFont descendantFont = font.getDescendantFont();
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if (descendantFont != null) {
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if (descendantFont instanceof PDCIDFontType2) {
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awtFont = getPDCIDAwtFontType2((PDCIDFontType2)descendantFont);
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}
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if (awtFont != null) {
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/*
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* Fix Oracle JVM Crashes.
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* Tested with Oracle JRE 6.0_45-b06 and 7.0_21-b11
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*/
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awtFont.canDisplay(1);
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}
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}
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if (awtFont == null) {
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awtFont = FontManager.getAwtFont(fallbackFont);
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log.debug("Using font {} instead of {}", awtFont.getName(), descendantFont.getFontDescriptor().getFontName());
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}
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return awtFont.deriveFont(10f);
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}
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private Font getPDType1AwtFont(PDType1Font font) throws IOException {
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Font awtFont = null;
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String baseFont = font.getBaseFont();
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PDFontDescriptor fd = font.getFontDescriptor();
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if (fd != null) {
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if (fd.getFontFile() != null) {
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try {
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// create a type1 font with the embedded data
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awtFont = Font.createFont(Font.TYPE1_FONT, fd.getFontFile().createInputStream());
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}
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catch(java.awt.FontFormatException e) {
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log.debug("Can't read the embedded type1 font {}", fd.getFontName());
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}
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}
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if (awtFont == null) {
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// check if the font is part of our environment
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if (fd.getFontName() != null) {
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awtFont = FontManager.getAwtFont(fd.getFontName());
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}
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if (awtFont == null) {
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log.debug("Can't find the specified font {}", fd.getFontName());
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}
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}
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} else {
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// check if the font is part of our environment
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awtFont = FontManager.getAwtFont(baseFont);
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if (awtFont == null) {
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log.debug("Can't find the specified basefont {}", baseFont);
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}
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}
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if (awtFont == null) {
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// we can't find anything, so we have to use the standard font
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awtFont = FontManager.getAwtFont(fallbackFont);
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log.debug("Using font {} instead", awtFont.getName());
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}
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return awtFont.deriveFont(20f);
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}
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public Font getPDCIDAwtFontType2(PDCIDFontType2 font) throws IOException {
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Font awtFont = null;
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PDFontDescriptor fd = font.getFontDescriptor();
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PDStream ff2Stream = fd.getFontFile2();
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if (ff2Stream != null) {
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try {
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// create a font with the embedded data
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awtFont = Font.createFont(Font.TRUETYPE_FONT, ff2Stream.createInputStream());
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}
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catch(java.awt.FontFormatException f) {
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log.debug("Can't read the embedded font {}", fd.getFontName());
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}
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if (awtFont == null) {
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if (fd.getFontName() != null) {
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awtFont = FontManager.getAwtFont(fd.getFontName());
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}
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if (awtFont != null) {
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log.debug("Using font {} instead", awtFont.getName());
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}
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}
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}
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return awtFont;
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}
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}
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