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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.fonts.AFPFont;
- import org.apache.fop.afp.fonts.AFPFontAttributes;
- import org.apache.fop.afp.fonts.AFPPageFonts;
- import org.apache.fop.afp.modca.GraphicsObject;
- import org.apache.fop.fonts.Font;
- import org.apache.fop.fonts.FontInfo;
- import org.apache.fop.svg.FOPTextHandler;
-
- /**
- * Specialized TextHandler implementation that the AFPGraphics2D class delegates to to paint text
- * using AFP GOCA text operations.
- */
- public class AFPTextHandler implements FOPTextHandler {
-
- /** logging instance */
- private static Log log = LogFactory.getLog(AFPTextHandler.class);
-
- /** Overriding FontState */
- protected Font overrideFont = null;
-
- /** Font information */
- private final FontInfo fontInfo;
-
- /**
- * Main constructor.
- *
- * @param fontInfo the AFPGraphics2D instance
- */
- public AFPTextHandler(FontInfo fontInfo) {
- this.fontInfo = fontInfo;
- }
-
- /**
- * 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 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
- );
- return afpFontAttributes.getFontReference();
- }
-
- /** {@inheritDoc} */
- public void drawString(String text, float x, float y) throws IOException {
- // TODO Remove me after removing the deprecated method in TextHandler.
- throw new UnsupportedOperationException("Deprecated method!");
- }
-
- /**
- * Add a text string to the current data object of the AFP datastream.
- * The text is painted using text operations.
- *
- * {@inheritDoc}
- */
- public void drawString(Graphics2D g, String str, float x, float y) throws IOException {
- 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();
- if (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();
- } else {
- java.awt.Font awtFont = g2d.getFont();
- Font fopFont = fontInfo.getFontInstanceForAWTFont(awtFont);
- internalFontName = fopFont.getFontName();
- fontSize = fopFont.getFontSize();
- }
- fontSize = (int)Math.round(
- g2d.convertToAbsoluteLength(fontSize));
- fontReference = registerPageFont(pageFonts, internalFontName, fontSize);
- graphicsObj.setCharacterSet(fontReference);
-
- // add the character string
- graphicsObj.addString(str, Math.round(x), Math.round(y));
- } 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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