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- /*
- * 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.afp.svg;
-
- import java.awt.Color;
- import java.awt.Graphics2D;
- import java.io.IOException;
-
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
-
- import org.apache.fop.afp.AFPGraphics2D;
- import org.apache.fop.afp.AFPPaintingState;
- import org.apache.fop.afp.AFPResourceManager;
- import org.apache.fop.afp.fonts.AFPFont;
- import org.apache.fop.afp.fonts.AFPFontAttributes;
- import org.apache.fop.afp.fonts.AFPPageFonts;
- import org.apache.fop.afp.fonts.CharacterSet;
- import org.apache.fop.afp.modca.GraphicsObject;
- import org.apache.fop.fonts.Font;
- import org.apache.fop.fonts.FontInfo;
- import org.apache.fop.svg.FOPTextHandlerAdapter;
-
- /**
- * Specialized TextHandler implementation that the AFPGraphics2D class delegates to to paint text
- * using AFP GOCA text operations.
- */
- public class AFPTextHandler extends FOPTextHandlerAdapter {
-
- /** logging instance */
- private static Log log = LogFactory.getLog(AFPTextHandler.class);
-
- /** Overriding FontState */
- protected Font overrideFont;
-
- /** Font information */
- private final FontInfo fontInfo;
-
- /** the resource manager */
- private AFPResourceManager resourceManager;
-
- /**
- * Main constructor.
- *
- * @param fontInfo the AFPGraphics2D instance
- * @param resourceManager the AFPResourceManager instance
- */
- public AFPTextHandler(FontInfo fontInfo, AFPResourceManager resourceManager) {
- this.fontInfo = fontInfo;
- this.resourceManager = resourceManager;
- }
-
- /**
- * Return the font information associated with this object
- *
- * @return the FontInfo object
- */
- public FontInfo getFontInfo() {
- return fontInfo;
- }
-
- /**
- * Registers a page font
- *
- * @param internalFontName the internal font name
- * @param fontSize the font size
- * @return a font reference
- */
- private int registerPageFont(AFPPageFonts pageFonts, String internalFontName, int fontSize) {
- AFPFont afpFont = (AFPFont)fontInfo.getFonts().get(internalFontName);
- // register if necessary
- AFPFontAttributes afpFontAttributes = pageFonts.registerFont(
- internalFontName,
- afpFont,
- fontSize
- );
- if (afpFont.isEmbeddable()) {
- try {
- final CharacterSet charSet = afpFont.getCharacterSet(fontSize);
- this.resourceManager.embedFont(afpFont, charSet);
- } catch (IOException ioe) {
- throw new RuntimeException("Error while embedding font resources", ioe);
- }
- }
- return afpFontAttributes.getFontReference();
- }
-
- /**
- * Add a text string to the current data object of the AFP datastream.
- * The text is painted using text operations.
- *
- * {@inheritDoc}
- */
- @Override
- public void drawString(Graphics2D g, String str, float x, float y) {
- if (log.isDebugEnabled()) {
- log.debug("drawString() str=" + str + ", x=" + x + ", y=" + y);
- }
- if (g instanceof AFPGraphics2D) {
- AFPGraphics2D g2d = (AFPGraphics2D)g;
- GraphicsObject graphicsObj = g2d.getGraphicsObject();
- Color color = g2d.getColor();
-
- // set the color
- AFPPaintingState paintingState = g2d.getPaintingState();
- paintingState.setColor(color);
- graphicsObj.setColor(color);
-
- // set the character set
- int fontReference = 0;
- int fontSize;
- String internalFontName;
- AFPPageFonts pageFonts = paintingState.getPageFonts();
- if (overrideFont != null) {
- internalFontName = overrideFont.getFontName();
- fontSize = overrideFont.getFontSize();
- if (log.isDebugEnabled()) {
- log.debug(" with overriding font: " + internalFontName + ", " + fontSize);
- }
- fontSize = (int) Math.round(g2d.convertToAbsoluteLength(fontSize));
- fontReference = registerPageFont(pageFonts, internalFontName, fontSize);
- // TODO: re-think above registerPageFont code...
- AFPFont afpFont = (AFPFont) fontInfo.getFonts().get(internalFontName);
- final CharacterSet charSet = afpFont.getCharacterSet(fontSize);
- // Work-around for InfoPrint's AFP which loses character set state
- // over Graphics Data
- // boundaries.
- graphicsObj.setCharacterSet(fontReference);
- // add the character string
- graphicsObj.addString(str, Math.round(x), Math.round(y), charSet);
- }
- } else {
- //Inside Batik's SVG filter operations, you won't get an AFPGraphics2D
- g.drawString(str, x, y);
- }
- }
-
- /**
- * Sets the overriding font.
- *
- * @param overrideFont Overriding Font to set
- */
- public void setOverrideFont(Font overrideFont) {
- this.overrideFont = overrideFont;
- }
- }
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