| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.render.pdf; |
| |
| import java.awt.Color; |
| import java.awt.Dimension; |
| import java.awt.Paint; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.geom.AffineTransform; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.Locale; |
| import java.util.Set; |
| |
| import org.w3c.dom.Document; |
| |
| import org.apache.xmlgraphics.image.loader.ImageException; |
| import org.apache.xmlgraphics.image.loader.ImageInfo; |
| import org.apache.xmlgraphics.image.loader.ImageManager; |
| import org.apache.xmlgraphics.image.loader.ImageSessionContext; |
| |
| import org.apache.fop.ResourceEventProducer; |
| import org.apache.fop.fonts.CustomFont; |
| import org.apache.fop.fonts.Font; |
| import org.apache.fop.fonts.FontTriplet; |
| import org.apache.fop.fonts.LazyFont; |
| import org.apache.fop.fonts.SingleByteFont; |
| import org.apache.fop.fonts.Typeface; |
| import org.apache.fop.pdf.PDFArray; |
| import org.apache.fop.pdf.PDFDictionary; |
| import org.apache.fop.pdf.PDFName; |
| import org.apache.fop.pdf.PDFNumber; |
| import org.apache.fop.pdf.PDFStructElem; |
| import org.apache.fop.pdf.PDFTextUtil; |
| import org.apache.fop.pdf.PDFXObject; |
| import org.apache.fop.render.RenderingContext; |
| import org.apache.fop.render.intermediate.AbstractIFPainter; |
| import org.apache.fop.render.intermediate.BorderPainter; |
| import org.apache.fop.render.intermediate.GraphicsPainter; |
| import org.apache.fop.render.intermediate.IFContext; |
| import org.apache.fop.render.intermediate.IFException; |
| import org.apache.fop.render.intermediate.IFState; |
| import org.apache.fop.render.intermediate.IFUtil; |
| import org.apache.fop.render.pdf.PDFLogicalStructureHandler.MarkedContentInfo; |
| import org.apache.fop.traits.BorderProps; |
| import org.apache.fop.traits.Direction; |
| import org.apache.fop.traits.RuleStyle; |
| import org.apache.fop.util.CharUtilities; |
| |
| /** |
| * IFPainter implementation that produces PDF. |
| */ |
| public class PDFPainter extends AbstractIFPainter<PDFDocumentHandler> { |
| |
| /** The current content generator */ |
| protected PDFContentGenerator generator; |
| |
| private final GraphicsPainter graphicsPainter; |
| |
| private final BorderPainter borderPainter; |
| |
| private boolean accessEnabled; |
| |
| private MarkedContentInfo imageMCI; |
| |
| private PDFLogicalStructureHandler logicalStructureHandler; |
| |
| private final LanguageAvailabilityChecker languageAvailabilityChecker; |
| |
| private static class LanguageAvailabilityChecker { |
| |
| private final IFContext context; |
| |
| private final Set<String> reportedLocations = new HashSet<String>(); |
| |
| LanguageAvailabilityChecker(IFContext context) { |
| this.context = context; |
| } |
| |
| private void checkLanguageAvailability(String text) { |
| Locale locale = context.getLanguage(); |
| if (locale == null && containsLettersOrDigits(text)) { |
| String location = context.getLocation(); |
| if (!reportedLocations.contains(location)) { |
| PDFEventProducer.Provider.get(context.getUserAgent().getEventBroadcaster()) |
| .unknownLanguage(this, location); |
| reportedLocations.add(location); |
| } |
| } |
| } |
| |
| private boolean containsLettersOrDigits(String text) { |
| for (int i = 0; i < text.length(); i++) { |
| if (Character.isLetterOrDigit(text.charAt(i))) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } |
| |
| /** |
| * Default constructor. |
| * @param documentHandler the parent document handler |
| * @param logicalStructureHandler the logical structure handler |
| */ |
| public PDFPainter(PDFDocumentHandler documentHandler, |
| PDFLogicalStructureHandler logicalStructureHandler) { |
| super(documentHandler); |
| this.logicalStructureHandler = logicalStructureHandler; |
| this.generator = documentHandler.getGenerator(); |
| this.graphicsPainter = new PDFGraphicsPainter(this.generator); |
| this.borderPainter = new BorderPainter(this.graphicsPainter); |
| this.state = IFState.create(); |
| accessEnabled = this.getUserAgent().isAccessibilityEnabled(); |
| languageAvailabilityChecker = accessEnabled |
| ? new LanguageAvailabilityChecker(documentHandler.getContext()) |
| : null; |
| } |
| |
| /** {@inheritDoc} */ |
| public void startViewport(AffineTransform transform, Dimension size, Rectangle clipRect) |
| throws IFException { |
| generator.saveGraphicsState(); |
| generator.concatenate(toPoints(transform)); |
| if (clipRect != null) { |
| clipRect(clipRect); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void endViewport() throws IFException { |
| generator.restoreGraphicsState(); |
| } |
| |
| /** {@inheritDoc} */ |
| public void startGroup(AffineTransform transform, String layer) throws IFException { |
| generator.saveGraphicsState(layer); |
| generator.concatenate(toPoints(transform)); |
| } |
| |
| /** {@inheritDoc} */ |
| public void endGroup() throws IFException { |
| generator.restoreGraphicsState(); |
| } |
| |
| /** {@inheritDoc} */ |
| public void drawImage(String uri, Rectangle rect) |
| throws IFException { |
| PDFXObject xobject = getDocumentHandler().getPDFDocument().getXObject(uri); |
| addStructTreeBBox(rect); |
| if (xobject != null) { |
| if (accessEnabled) { |
| PDFStructElem structElem = (PDFStructElem) getContext().getStructureTreeElement(); |
| prepareImageMCID(structElem); |
| placeImageAccess(rect, xobject); |
| } else { |
| placeImage(rect, xobject); |
| } |
| } else { |
| drawImageUsingURI(uri, rect); |
| if (!getDocumentHandler().getPDFDocument().isLinearizationEnabled()) { |
| flushPDFDoc(); |
| } |
| } |
| } |
| |
| private void addStructTreeBBox(Rectangle rect) { |
| if (accessEnabled && getDocumentHandler().getPDFDocument().getProfile().getPDFUAMode().isEnabled()) { |
| PDFStructElem structElem = (PDFStructElem) getContext().getStructureTreeElement(); |
| if (structElem != null) { //structElem is null if the image is marked as an artifact |
| PDFDictionary d = new PDFDictionary(); |
| int x = rect.x / 1000; |
| int y = rect.y / 1000; |
| int w = rect.width / 1000; |
| int h = rect.height / 1000; |
| d.put("BBox", new PDFArray(x, y, w, h)); |
| d.put("O", new PDFName("Layout")); |
| structElem.put("A", d); |
| } |
| } |
| } |
| |
| @Override |
| protected void drawImageUsingURI(String uri, Rectangle rect) { |
| ImageManager manager = getUserAgent().getImageManager(); |
| ImageInfo info = null; |
| try { |
| ImageSessionContext sessionContext = getUserAgent().getImageSessionContext(); |
| info = manager.getImageInfo(uri, sessionContext); |
| if (accessEnabled) { |
| PDFStructElem structElem = (PDFStructElem) getContext().getStructureTreeElement(); |
| String mimeType = info.getMimeType(); |
| if (!mimeType.equalsIgnoreCase("application/pdf")) { |
| prepareImageMCID(structElem); |
| } |
| } |
| drawImageUsingImageHandler(info, rect); |
| } catch (ImageException ie) { |
| ResourceEventProducer eventProducer = ResourceEventProducer.Provider.get( |
| getUserAgent().getEventBroadcaster()); |
| eventProducer.imageError(this, (info != null ? info.toString() : uri), ie, null); |
| } catch (FileNotFoundException fe) { |
| ResourceEventProducer eventProducer = ResourceEventProducer.Provider.get( |
| getUserAgent().getEventBroadcaster()); |
| eventProducer.imageNotFound(this, (info != null ? info.toString() : uri), fe, null); |
| } catch (IOException ioe) { |
| ResourceEventProducer eventProducer = ResourceEventProducer.Provider.get( |
| getUserAgent().getEventBroadcaster()); |
| eventProducer.imageIOError(this, (info != null ? info.toString() : uri), ioe, null); |
| } |
| } |
| |
| private void prepareImageMCID(PDFStructElem structElem) { |
| imageMCI = logicalStructureHandler.addImageContentItem(structElem); |
| if (structElem != null) { |
| languageAvailabilityChecker.checkLanguageAvailability((String) structElem.get("Alt")); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected RenderingContext createRenderingContext() { |
| PDFRenderingContext pdfContext = new PDFRenderingContext( |
| getUserAgent(), generator, getDocumentHandler().getCurrentPage(), getFontInfo()); |
| pdfContext.setMarkedContentInfo(imageMCI); |
| pdfContext.setPageNumbers(getDocumentHandler().getPageNumbers()); |
| pdfContext.setPdfLogicalStructureHandler(logicalStructureHandler); |
| pdfContext.setCurrentSessionStructElem((PDFStructElem) getContext().getStructureTreeElement()); |
| return pdfContext; |
| } |
| |
| /** |
| * Places a previously registered image at a certain place on the page. |
| * @param rect the rectangle for the image |
| * @param xobj the image XObject |
| */ |
| private void placeImage(Rectangle rect, PDFXObject xobj) { |
| generator.saveGraphicsState(); |
| generator.add(format(rect.width) + " 0 0 " |
| + format(-rect.height) + " " |
| + format(rect.x) + " " |
| + format(rect.y + rect.height) |
| + " cm " + xobj.getName() + " Do\n"); |
| generator.restoreGraphicsState(); |
| } |
| /** |
| * Places a previously registered image at a certain place on the page - Accessibility version |
| * @param rect the rectangle for the image |
| * @param xobj the image XObject |
| */ |
| private void placeImageAccess(Rectangle rect, PDFXObject xobj) { |
| generator.saveGraphicsState(imageMCI.tag, imageMCI.mcid); |
| generator.add(format(rect.width) + " 0 0 " |
| + format(-rect.height) + " " |
| + format(rect.x) + " " |
| + format(rect.y + rect.height) |
| + " cm " + xobj.getName() + " Do\n"); |
| generator.restoreGraphicsStateAccess(); |
| } |
| |
| /** {@inheritDoc} */ |
| public void drawImage(Document doc, Rectangle rect) throws IFException { |
| if (accessEnabled) { |
| PDFStructElem structElem = (PDFStructElem) getContext().getStructureTreeElement(); |
| prepareImageMCID(structElem); |
| addStructTreeBBox(rect); |
| } |
| drawImageUsingDocument(doc, rect); |
| if (!getDocumentHandler().getPDFDocument().isLinearizationEnabled()) { |
| flushPDFDoc(); |
| } |
| } |
| |
| private void flushPDFDoc() throws IFException { |
| // output new data |
| try { |
| generator.flushPDFDoc(); |
| } catch (IOException ioe) { |
| throw new IFException("I/O error flushing the PDF document", ioe); |
| } |
| } |
| |
| /** |
| * Formats a integer value (normally coordinates in millipoints) to a String. |
| * @param value the value (in millipoints) |
| * @return the formatted value |
| */ |
| protected static String format(int value) { |
| return PDFNumber.doubleOut(value / 1000f); |
| } |
| |
| /** {@inheritDoc} */ |
| public void clipRect(Rectangle rect) throws IFException { |
| generator.endTextObject(); |
| generator.clipRect(rect); |
| } |
| |
| /** {@inheritDoc} */ |
| public void clipBackground(Rectangle rect, |
| BorderProps bpsBefore, BorderProps bpsAfter, |
| BorderProps bpsStart, BorderProps bpsEnd) throws IFException { |
| |
| try { |
| borderPainter.clipBackground(rect, |
| bpsBefore, bpsAfter, bpsStart, bpsEnd); |
| } catch (IOException ioe) { |
| throw new IFException("I/O error while clipping background", ioe); |
| } |
| |
| } |
| |
| /** {@inheritDoc} */ |
| public void fillRect(Rectangle rect, Paint fill) throws IFException { |
| if (fill == null) { |
| return; |
| } |
| if (rect.width != 0 && rect.height != 0) { |
| generator.endTextObject(); |
| if (accessEnabled && getUserAgent().isPdfUAEnabled()) { |
| generator.beginMarkedContentSequence(null, 0, null); |
| } |
| if (fill != null) { |
| if (fill instanceof Color) { |
| generator.updateColor((Color)fill, true, null); |
| } else { |
| throw new UnsupportedOperationException("Non-Color paints NYI"); |
| } |
| } |
| StringBuffer sb = new StringBuffer(); |
| sb.append(format(rect.x)).append(' '); |
| sb.append(format(rect.y)).append(' '); |
| sb.append(format(rect.width)).append(' '); |
| sb.append(format(rect.height)).append(" re"); |
| if (fill != null) { |
| sb.append(" f"); |
| } |
| /* Removed from method signature as it is currently not used |
| if (stroke != null) { |
| sb.append(" S"); |
| }*/ |
| sb.append('\n'); |
| generator.add(sb.toString()); |
| if (accessEnabled && getUserAgent().isPdfUAEnabled()) { |
| generator.endMarkedContentSequence(); |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void drawBorderRect(Rectangle rect, BorderProps top, BorderProps bottom, |
| BorderProps left, BorderProps right, Color innerBackgroundColor) throws IFException { |
| if (top != null || bottom != null || left != null || right != null) { |
| generator.endTextObject(); |
| if (accessEnabled && getUserAgent().isPdfUAEnabled()) { |
| generator.beginMarkedContentSequence(null, 0, null); |
| } |
| this.borderPainter.drawBorders(rect, top, bottom, left, right, innerBackgroundColor); |
| if (accessEnabled && getUserAgent().isPdfUAEnabled()) { |
| generator.endMarkedContentSequence(); |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void drawLine(Point start, Point end, int width, Color color, RuleStyle style) |
| throws IFException { |
| generator.endTextObject(); |
| if (accessEnabled && getUserAgent().isPdfUAEnabled()) { |
| generator.beginMarkedContentSequence(null, 0, null); |
| } |
| try { |
| this.graphicsPainter.drawLine(start, end, width, color, style); |
| } catch (IOException ioe) { |
| throw new IFException("Cannot draw line", ioe); |
| } |
| if (accessEnabled && getUserAgent().isPdfUAEnabled()) { |
| generator.endMarkedContentSequence(); |
| } |
| } |
| |
| private Typeface getTypeface(String fontName) { |
| if (fontName == null) { |
| throw new NullPointerException("fontName must not be null"); |
| } |
| Typeface tf = getFontInfo().getFonts().get(fontName); |
| if (tf instanceof LazyFont) { |
| tf = ((LazyFont)tf).getRealFont(); |
| } |
| return tf; |
| } |
| |
| /** {@inheritDoc} */ |
| public void drawText(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, |
| String text) |
| throws IFException { |
| if (accessEnabled) { |
| PDFStructElem structElem = (PDFStructElem) getContext().getStructureTreeElement(); |
| languageAvailabilityChecker.checkLanguageAvailability(text); |
| MarkedContentInfo mci = logicalStructureHandler.addTextContentItem(structElem); |
| String actualText = getContext().isHyphenated() ? text.substring(0, text.length() - 1) : null; |
| generator.endTextObject(); |
| generator.updateColor(state.getTextColor(), true, null); |
| generator.beginTextObject(mci.tag, mci.mcid, actualText); |
| } else { |
| generator.updateColor(state.getTextColor(), true, null); |
| generator.beginTextObject(); |
| } |
| |
| FontTriplet triplet = new FontTriplet( |
| state.getFontFamily(), state.getFontStyle(), state.getFontWeight()); |
| |
| if ((dp == null) || IFUtil.isDPOnlyDX(dp)) { |
| drawTextWithDX(x, y, text, triplet, letterSpacing, |
| wordSpacing, IFUtil.convertDPToDX(dp)); |
| } else { |
| drawTextWithDP(x, y, text, triplet, letterSpacing, |
| wordSpacing, dp); |
| } |
| } |
| |
| public void drawText(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, String text, boolean nextIsSpace) |
| throws IFException { |
| if (accessEnabled && nextIsSpace) { |
| text += ' '; |
| } |
| drawText(x, y, letterSpacing, wordSpacing, dp, text); |
| } |
| |
| private void drawTextWithDX(int x, int y, String text, FontTriplet triplet, |
| int letterSpacing, int wordSpacing, int[] dx) throws IFException { |
| //TODO Ignored: state.getFontVariant() |
| //TODO Opportunity for font caching if font state is more heavily used |
| String fontKey = getFontKey(triplet); |
| int sizeMillipoints = state.getFontSize(); |
| float fontSize = sizeMillipoints / 1000f; |
| |
| // This assumes that *all* CIDFonts use a /ToUnicode mapping |
| Typeface tf = getTypeface(fontKey); |
| Font font = getFontInfo().getFontInstance(triplet, sizeMillipoints); |
| String fontName = font.getFontName(); |
| |
| PDFTextUtil textutil = generator.getTextUtil(); |
| textutil.updateTf(fontKey, fontSize, tf.isMultiByte(), tf.isCID()); |
| |
| double shear = 0; |
| boolean simulateStyle = tf instanceof CustomFont && ((CustomFont) tf).getSimulateStyle(); |
| if (simulateStyle) { |
| if (triplet.getWeight() == 700) { |
| generator.add("q\n"); |
| generator.add("2 Tr 0.31543 w\n"); |
| } |
| if (triplet.getStyle().equals("italic")) { |
| shear = 0.3333; |
| } |
| } |
| |
| generator.updateCharacterSpacing(letterSpacing / 1000f); |
| |
| textutil.writeTextMatrix(new AffineTransform(1, 0, shear, -1, x / 1000f, y / 1000f)); |
| int l = text.length(); |
| int dxl = (dx != null ? dx.length : 0); |
| |
| if (dx != null && dxl > 0 && dx[0] != 0) { |
| textutil.adjustGlyphTJ(-dx[0] / fontSize); |
| } |
| for (int i = 0; i < l; i++) { |
| int orgChar = text.charAt(i); |
| int ch; |
| |
| // surrogate pairs have to be merged in a single code point |
| if (CharUtilities.containsSurrogatePairAt(text, i)) { |
| orgChar = Character.toCodePoint((char) orgChar, text.charAt(++i)); |
| } |
| |
| float glyphAdjust = 0; |
| if (font.hasCodePoint(orgChar)) { |
| ch = font.mapCodePoint(orgChar); |
| ch = selectAndMapSingleByteFont(tf, fontName, fontSize, textutil, ch); |
| if ((wordSpacing != 0) && CharUtilities.isAdjustableSpace(orgChar)) { |
| glyphAdjust += wordSpacing; |
| } |
| } else { |
| if (CharUtilities.isFixedWidthSpace(orgChar)) { |
| //Fixed width space are rendered as spaces so copy/paste works in a reader |
| ch = font.mapChar(CharUtilities.SPACE); |
| int spaceDiff = font.getCharWidth(CharUtilities.SPACE) - font.getCharWidth(orgChar); |
| glyphAdjust = -spaceDiff; |
| } else { |
| ch = font.mapCodePoint(orgChar); |
| if ((wordSpacing != 0) && CharUtilities.isAdjustableSpace(orgChar)) { |
| glyphAdjust += wordSpacing; |
| } |
| } |
| ch = selectAndMapSingleByteFont(tf, fontName, fontSize, textutil, ch); |
| } |
| textutil.writeTJMappedCodePoint(ch); |
| |
| if (dx != null && i < dxl - 1) { |
| glyphAdjust += dx[i + 1]; |
| } |
| |
| if (glyphAdjust != 0) { |
| textutil.adjustGlyphTJ(-glyphAdjust / fontSize); |
| } |
| |
| } |
| textutil.writeTJ(); |
| if (simulateStyle && triplet.getWeight() == 700) { |
| generator.add("Q\n"); |
| } |
| } |
| |
| private static int[] paZero = new int[4]; |
| |
| private void drawTextWithDP(int x, int y, String text, FontTriplet triplet, |
| int letterSpacing, int wordSpacing, int[][] dp) { |
| assert text != null; |
| assert triplet != null; |
| assert dp != null; |
| String fk = getFontInfo().getInternalFontKey(triplet); |
| Typeface tf = getTypeface(fk); |
| if (tf.isMultiByte() || tf.isCID()) { |
| int fs = state.getFontSize(); |
| float fsPoints = fs / 1000f; |
| Font f = getFontInfo().getFontInstance(triplet, fs); |
| PDFTextUtil tu = generator.getTextUtil(); |
| double xc = 0f; |
| double yc = 0f; |
| double xoLast = 0f; |
| double yoLast = 0f; |
| double wox = wordSpacing; |
| |
| // FOP-2810 |
| boolean simulateStyle = tf instanceof CustomFont && ((CustomFont) tf).getSimulateStyle(); |
| double shear = 0; |
| |
| if (simulateStyle) { |
| if (triplet.getWeight() == 700) { |
| generator.add("q\n"); |
| generator.add("2 Tr 0.31543 w\n"); |
| } |
| if (triplet.getStyle().equals("italic")) { |
| shear = 0.3333; |
| } |
| } |
| |
| tu.writeTextMatrix(new AffineTransform(1, 0, shear, -1, x / 1000f, y / 1000f)); |
| tu.updateTf(fk, fsPoints, tf.isMultiByte(), true); |
| generator.updateCharacterSpacing(letterSpacing / 1000f); |
| for (int i = 0, n = text.length(); i < n; i++) { |
| char ch = text.charAt(i); |
| int[] pa = ((i >= dp.length) || (dp[i] == null)) ? paZero : dp[i]; |
| double xo = xc + pa[0]; |
| double yo = yc + pa[1]; |
| double xa = f.getCharWidth(ch) + maybeWordOffsetX(wox, ch, null); |
| double ya = 0; |
| double xd = (xo - xoLast) / 1000f; |
| double yd = (yo - yoLast) / 1000f; |
| tu.writeTd(xd, yd); |
| tu.writeTj(f.mapChar(ch), tf.isMultiByte(), true); |
| xc += xa + pa[2]; |
| yc += ya + pa[3]; |
| xoLast = xo; |
| yoLast = yo; |
| } |
| } |
| } |
| |
| private double maybeWordOffsetX(double wox, char ch, Direction dir) { |
| if ((wox != 0) |
| && CharUtilities.isAdjustableSpace(ch) |
| && ((dir == null) || dir.isHorizontal())) { |
| return wox; |
| } else { |
| return 0; |
| } |
| } |
| |
| /* |
| private double maybeWordOffsetY ( double woy, char ch, Direction dir ) { |
| if ( ( woy != 0 ) |
| && CharUtilities.isAdjustableSpace ( ch ) && dir.isVertical() |
| && ( ( dir != null ) && dir.isVertical() ) ) { |
| return woy; |
| } else { |
| return 0; |
| } |
| } |
| */ |
| |
| private int selectAndMapSingleByteFont(Typeface tf, String fontName, float fontSize, PDFTextUtil textutil, |
| int ch) { |
| if ((tf instanceof SingleByteFont && ((SingleByteFont)tf).hasAdditionalEncodings()) || tf.isCID()) { |
| int encoding = ch / 256; |
| if (encoding == 0) { |
| textutil.updateTf(fontName, fontSize, tf.isMultiByte(), tf.isCID()); |
| } else { |
| textutil.updateTf(fontName + "_" + Integer.toString(encoding), |
| fontSize, tf.isMultiByte(), tf.isCID()); |
| ch = (char)(ch % 256); |
| } |
| } |
| return ch; |
| } |
| |
| } |
