--- /dev/null
+/*
+ * 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;
+
+import org.apache.batik.bridge.SVGTextElementBridge;
+import org.apache.batik.bridge.BridgeContext;
+import org.apache.batik.gvt.GraphicsNode;
+import org.apache.batik.gvt.TextNode;
+import org.apache.batik.gvt.TextPainter;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ * Bridge class for the <text> element.
+ * This bridge will use the direct text painter if the text
+ * for the element is simple.
+ */
+public class AFPTextElementBridge extends SVGTextElementBridge {
+
+ private AFPTextPainter textPainter;
+
+ /**
+ * Constructs a new bridge for the <text> element.
+ * @param textPainter the text painter to use
+ */
+ public AFPTextElementBridge(AFPTextPainter textPainter) {
+ this.textPainter = textPainter;
+ }
+
+ /**
+ * Create a text element bridge.
+ * This set the text painter on the node if the text is simple.
+ * @param ctx the bridge context
+ * @param e the svg element
+ * @return the text graphics node created by the super class
+ */
+ public GraphicsNode createGraphicsNode(BridgeContext ctx, Element e) {
+ GraphicsNode node = super.createGraphicsNode(ctx, e);
+ if (node != null && isSimple(ctx, e, node)) {
+ ((TextNode)node).setTextPainter(getTextPainter());
+ }
+ return node;
+ }
+
+ private TextPainter getTextPainter() {
+ return this.textPainter;
+ }
+
+ /**
+ * Check if text element contains simple text.
+ * This checks the children of the text element to determine
+ * if the text is simple. The text is simple if it can be rendered
+ * with basic text drawing algorithms. This means there are no
+ * alternate characters, the font is known and there are no effects
+ * applied to the text.
+ *
+ * @param ctx the bridge context
+ * @param element the svg text element
+ * @param node the graphics node
+ * @return true if this text is simple of false if it cannot be
+ * easily rendered using normal drawString on the PDFGraphics2D
+ */
+ private boolean isSimple(BridgeContext ctx, Element element, GraphicsNode node) {
+ for (Node n = element.getFirstChild();
+ n != null;
+ n = n.getNextSibling()) {
+
+ switch (n.getNodeType()) {
+ case Node.ELEMENT_NODE:
+
+ if (n.getLocalName().equals(SVG_TSPAN_TAG)
+ || n.getLocalName().equals(SVG_ALT_GLYPH_TAG)) {
+ return false;
+ } else if (n.getLocalName().equals(SVG_TEXT_PATH_TAG)) {
+ return false;
+ } else if (n.getLocalName().equals(SVG_TREF_TAG)) {
+ return false;
+ }
+ break;
+ case Node.TEXT_NODE:
+ case Node.CDATA_SECTION_NODE:
+ default:
+ }
+ }
+
+ /*if (CSSUtilities.convertFilter(element, node, ctx) != null) {
+ return false;
+ }*/
+
+ return true;
+ }
+}
+
--- /dev/null
+/*
+ * 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;
+
+import java.awt.Graphics2D;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.text.AttributedCharacterIterator;
+import java.text.CharacterIterator;
+import java.awt.font.TextAttribute;
+import java.awt.Shape;
+import java.awt.Paint;
+import java.awt.Color;
+import java.io.IOException;
+import java.util.List;
+import java.util.Iterator;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.fop.fonts.Font;
+import org.apache.fop.fonts.FontInfo;
+import org.apache.fop.fonts.FontTriplet;
+
+import org.apache.batik.dom.svg.SVGOMTextElement;
+import org.apache.batik.gvt.text.Mark;
+import org.apache.batik.gvt.TextPainter;
+import org.apache.batik.gvt.TextNode;
+import org.apache.batik.gvt.text.GVTAttributedCharacterIterator;
+import org.apache.batik.gvt.text.TextPaintInfo;
+import org.apache.batik.gvt.font.GVTFontFamily;
+import org.apache.batik.gvt.renderer.StrokingTextPainter;
+
+
+/**
+ * Renders the attributed character iterator of a <tt>TextNode</tt>.
+ * This class draws the text directly into the AFPGraphics2D so that
+ * the text is not drawn using shapes.
+ * If the text is simple enough to draw then it sets the font and calls
+ * drawString. If the text is complex or the cannot be translated
+ * into a simple drawString the StrokingTextPainter is used instead.
+ */
+public class AFPTextPainter implements TextPainter {
+
+ /** the logger for this class */
+ protected Log log = LogFactory.getLog(AFPTextPainter.class);
+
+ private AFPTextHandler nativeTextHandler;
+
+ /**
+ * Use the stroking text painter to get the bounds and shape.
+ * Also used as a fallback to draw the string with strokes.
+ */
+ protected static final TextPainter
+ PROXY_PAINTER = StrokingTextPainter.getInstance();
+
+ /**
+ * Create a new PS text painter with the given font information.
+ * @param nativeTextHandler the NativeTextHandler instance used for text painting
+ */
+ public AFPTextPainter(AFPTextHandler nativeTextHandler) {
+ this.nativeTextHandler = nativeTextHandler;
+ }
+
+ /**
+ * Paints the specified attributed character iterator using the
+ * specified Graphics2D and context and font context.
+ * @param node the TextNode to paint
+ * @param g2d the Graphics2D to use
+ */
+ public void paint(TextNode node, Graphics2D g2d) {
+ Point2D loc = node.getLocation();
+ log.debug("painting text node " + node);
+ if (hasUnsupportedAttributes(node)) {
+ log.debug("hasunsuportedattributes");
+ PROXY_PAINTER.paint(node, g2d);
+ } else {
+ log.debug("allattributessupported");
+ paintTextRuns(node.getTextRuns(), g2d, loc);
+ }
+ }
+
+ private boolean hasUnsupportedAttributes(TextNode node) {
+ Iterator iter = node.getTextRuns().iterator();
+ while (iter.hasNext()) {
+ StrokingTextPainter.TextRun
+ run = (StrokingTextPainter.TextRun)iter.next();
+ AttributedCharacterIterator aci = run.getACI();
+ boolean hasUnsupported = hasUnsupportedAttributes(aci);
+ if (hasUnsupported) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private boolean hasUnsupportedAttributes(AttributedCharacterIterator aci) {
+ boolean hasunsupported = false;
+
+ String text = getText(aci);
+ Font font = makeFont(aci);
+ if (hasUnsupportedGlyphs(text, font)) {
+ log.trace("-> Unsupported glyphs found");
+ hasunsupported = true;
+ }
+
+ TextPaintInfo tpi = (TextPaintInfo) aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.PAINT_INFO);
+ if ((tpi != null)
+ && ((tpi.strokeStroke != null && tpi.strokePaint != null)
+ || (tpi.strikethroughStroke != null)
+ || (tpi.underlineStroke != null)
+ || (tpi.overlineStroke != null))) {
+ log.trace("-> under/overlines etc. found");
+ hasunsupported = true;
+ }
+
+ //Alpha is not supported
+ Paint foreground = (Paint) aci.getAttribute(TextAttribute.FOREGROUND);
+ if (foreground instanceof Color) {
+ Color col = (Color)foreground;
+ if (col.getAlpha() != 255) {
+ log.trace("-> transparency found");
+ hasunsupported = true;
+ }
+ }
+
+ Object letSpace = aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.LETTER_SPACING);
+ if (letSpace != null) {
+ log.trace("-> letter spacing found");
+ hasunsupported = true;
+ }
+
+ Object wordSpace = aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.WORD_SPACING);
+ if (wordSpace != null) {
+ log.trace("-> word spacing found");
+ hasunsupported = true;
+ }
+
+ Object lengthAdjust = aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.LENGTH_ADJUST);
+ if (lengthAdjust != null) {
+ log.trace("-> length adjustments found");
+ hasunsupported = true;
+ }
+
+ Object writeMod = aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.WRITING_MODE);
+ if (writeMod != null
+ && !GVTAttributedCharacterIterator.TextAttribute.WRITING_MODE_LTR.equals(
+ writeMod)) {
+ log.trace("-> Unsupported writing modes found");
+ hasunsupported = true;
+ }
+
+ Object vertOr = aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.VERTICAL_ORIENTATION);
+ if (GVTAttributedCharacterIterator.TextAttribute.ORIENTATION_ANGLE.equals(
+ vertOr)) {
+ log.trace("-> vertical orientation found");
+ hasunsupported = true;
+ }
+
+ Object rcDel = aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.TEXT_COMPOUND_DELIMITER);
+ //Batik 1.6 returns null here which makes it impossible to determine whether this can
+ //be painted or not, i.e. fall back to stroking. :-(
+ if (rcDel != null && !(rcDel instanceof SVGOMTextElement)) {
+ log.trace("-> spans found");
+ hasunsupported = true; //Filter spans
+ }
+
+ if (hasunsupported) {
+ log.trace("Unsupported attributes found in ACI, using StrokingTextPainter");
+ }
+ return hasunsupported;
+ }
+
+ /**
+ * Paint a list of text runs on the Graphics2D at a given location.
+ * @param textRuns the list of text runs
+ * @param g2d the Graphics2D to paint to
+ * @param loc the current location of the "cursor"
+ */
+ protected void paintTextRuns(List textRuns, Graphics2D g2d, Point2D loc) {
+ Point2D currentloc = loc;
+ Iterator i = textRuns.iterator();
+ while (i.hasNext()) {
+ StrokingTextPainter.TextRun
+ run = (StrokingTextPainter.TextRun)i.next();
+ currentloc = paintTextRun(run, g2d, currentloc);
+ }
+ }
+
+ /**
+ * Paint a single text run on the Graphics2D at a given location.
+ * @param run the text run to paint
+ * @param g2d the Graphics2D to paint to
+ * @param loc the current location of the "cursor"
+ * @return the new location of the "cursor" after painting the text run
+ */
+ protected Point2D paintTextRun(StrokingTextPainter.TextRun run, Graphics2D g2d, Point2D loc) {
+ AttributedCharacterIterator aci = run.getACI();
+ aci.first();
+
+ updateLocationFromACI(aci, loc);
+ loc = g2d.getTransform().transform(loc, null);
+
+ // font
+ Font font = makeFont(aci);
+ nativeTextHandler.setOverrideFont(font);
+
+ // color
+ TextPaintInfo tpi = (TextPaintInfo) aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.PAINT_INFO);
+ if (tpi == null) {
+ return loc;
+ }
+ Paint foreground = tpi.fillPaint;
+ if (foreground instanceof Color) {
+ Color col = (Color)foreground;
+ g2d.setColor(col);
+ }
+ g2d.setPaint(foreground);
+
+ String txt = getText(aci);
+ float advance = getStringWidth(txt, font);
+ float tx = 0;
+ TextNode.Anchor anchor = (TextNode.Anchor)aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.ANCHOR_TYPE);
+ if (anchor != null) {
+ switch (anchor.getType()) {
+ case TextNode.Anchor.ANCHOR_MIDDLE:
+ tx = -advance / 2;
+ break;
+ case TextNode.Anchor.ANCHOR_END:
+ tx = -advance;
+ break;
+ default: //nop
+ }
+ }
+
+ // draw string
+ try {
+ try {
+ nativeTextHandler.drawString(txt, (float)(loc.getX() + tx), (float)(loc.getY()));
+ } catch (IOException ioe) {
+ if (g2d instanceof AFPGraphics2D) {
+ ((AFPGraphics2D)g2d).handleIOException(ioe);
+ }
+ }
+ } finally {
+ nativeTextHandler.setOverrideFont(null);
+ }
+ loc.setLocation(loc.getX() + (double)advance, loc.getY());
+ return loc;
+ }
+
+ /**
+ * Extract the raw text from an ACI.
+ * @param aci ACI to inspect
+ * @return the extracted text
+ */
+ protected String getText(AttributedCharacterIterator aci) {
+ StringBuffer sb = new StringBuffer(aci.getEndIndex() - aci.getBeginIndex());
+ for (char c = aci.first(); c != CharacterIterator.DONE; c = aci.next()) {
+ sb.append(c);
+ }
+ return sb.toString();
+ }
+
+ private void updateLocationFromACI(
+ AttributedCharacterIterator aci,
+ Point2D loc) {
+ //Adjust position of span
+ Float xpos = (Float)aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.X);
+ Float ypos = (Float)aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.Y);
+ Float dxpos = (Float)aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.DX);
+ Float dypos = (Float)aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.DY);
+ if (xpos != null) {
+ loc.setLocation(xpos.doubleValue(), loc.getY());
+ }
+ if (ypos != null) {
+ loc.setLocation(loc.getX(), ypos.doubleValue());
+ }
+ if (dxpos != null) {
+ loc.setLocation(loc.getX() + dxpos.doubleValue(), loc.getY());
+ }
+ if (dypos != null) {
+ loc.setLocation(loc.getX(), loc.getY() + dypos.doubleValue());
+ }
+ }
+
+ private String getStyle(AttributedCharacterIterator aci) {
+ Float posture = (Float)aci.getAttribute(TextAttribute.POSTURE);
+ return ((posture != null) && (posture.floatValue() > 0.0))
+ ? "italic"
+ : "normal";
+ }
+
+ private int getWeight(AttributedCharacterIterator aci) {
+ Float taWeight = (Float)aci.getAttribute(TextAttribute.WEIGHT);
+ return ((taWeight != null) && (taWeight.floatValue() > 1.0))
+ ? Font.WEIGHT_BOLD
+ : Font.WEIGHT_NORMAL;
+ }
+
+ private Font makeFont(AttributedCharacterIterator aci) {
+ Float fontSize = (Float)aci.getAttribute(TextAttribute.SIZE);
+ if (fontSize == null) {
+ fontSize = new Float(10.0f);
+ }
+ String style = getStyle(aci);
+ int weight = getWeight(aci);
+
+ FontInfo fontInfo = nativeTextHandler.getFontInfo();
+ String fontFamily = null;
+ List gvtFonts = (List) aci.getAttribute(
+ GVTAttributedCharacterIterator.TextAttribute.GVT_FONT_FAMILIES);
+ if (gvtFonts != null) {
+ Iterator i = gvtFonts.iterator();
+ while (i.hasNext()) {
+ GVTFontFamily fam = (GVTFontFamily) i.next();
+ /* (todo) Enable SVG Font painting
+ if (fam instanceof SVGFontFamily) {
+ PROXY_PAINTER.paint(node, g2d);
+ return;
+ }*/
+ fontFamily = fam.getFamilyName();
+ if (fontInfo.hasFont(fontFamily, style, weight)) {
+ FontTriplet triplet = fontInfo.fontLookup(
+ fontFamily, style, weight);
+ int fsize = (int)(fontSize.floatValue() * 1000);
+ return fontInfo.getFontInstance(triplet, fsize);
+ }
+ }
+ }
+ FontTriplet triplet = fontInfo.fontLookup("any", style, Font.WEIGHT_NORMAL);
+ int fsize = (int)(fontSize.floatValue() * 1000);
+ return fontInfo.getFontInstance(triplet, fsize);
+ }
+
+ private float getStringWidth(String str, Font font) {
+ float wordWidth = 0;
+ float whitespaceWidth = font.getWidth(font.mapChar(' '));
+
+ for (int i = 0; i < str.length(); i++) {
+ float charWidth;
+ char c = str.charAt(i);
+ if (!((c == ' ') || (c == '\n') || (c == '\r') || (c == '\t'))) {
+ charWidth = font.getWidth(font.mapChar(c));
+ if (charWidth <= 0) {
+ charWidth = whitespaceWidth;
+ }
+ } else {
+ charWidth = whitespaceWidth;
+ }
+ wordWidth += charWidth;
+ }
+ return wordWidth / 1000f;
+ }
+
+ private boolean hasUnsupportedGlyphs(String str, Font font) {
+ for (int i = 0; i < str.length(); i++) {
+ char c = str.charAt(i);
+ if (!((c == ' ') || (c == '\n') || (c == '\r') || (c == '\t'))) {
+ if (!font.hasChar(c)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Get the outline shape of the text characters.
+ * This uses the StrokingTextPainter to get the outline
+ * shape since in theory it should be the same.
+ *
+ * @param node the text node
+ * @return the outline shape of the text characters
+ */
+ public Shape getOutline(TextNode node) {
+ return PROXY_PAINTER.getOutline(node);
+ }
+
+ /**
+ * Get the bounds.
+ * This uses the StrokingTextPainter to get the bounds
+ * since in theory it should be the same.
+ *
+ * @param node the text node
+ * @return the bounds of the text
+ */
+ public Rectangle2D getBounds2D(TextNode node) {
+ /* (todo) getBounds2D() is too slow
+ * because it uses the StrokingTextPainter. We should implement this
+ * method ourselves. */
+ return PROXY_PAINTER.getBounds2D(node);
+ }
+
+ /**
+ * Get the geometry bounds.
+ * This uses the StrokingTextPainter to get the bounds
+ * since in theory it should be the same.
+ * @param node the text node
+ * @return the bounds of the text
+ */
+ public Rectangle2D getGeometryBounds(TextNode node) {
+ return PROXY_PAINTER.getGeometryBounds(node);
+ }
+
+ // Methods that have no purpose for PS
+
+ /**
+ * Get the mark.
+ * This does nothing since the output is pdf and not interactive.
+ * @param node the text node
+ * @param pos the position
+ * @param all select all
+ * @return null
+ */
+ public Mark getMark(TextNode node, int pos, boolean all) {
+ return null;
+ }
+
+ /**
+ * Select at.
+ * This does nothing since the output is pdf and not interactive.
+ * @param x the x position
+ * @param y the y position
+ * @param node the text node
+ * @return null
+ */
+ public Mark selectAt(double x, double y, TextNode node) {
+ return null;
+ }
+
+ /**
+ * Select to.
+ * This does nothing since the output is pdf and not interactive.
+ * @param x the x position
+ * @param y the y position
+ * @param beginMark the start mark
+ * @return null
+ */
+ public Mark selectTo(double x, double y, Mark beginMark) {
+ return null;
+ }
+
+ /**
+ * Selec first.
+ * This does nothing since the output is pdf and not interactive.
+ * @param node the text node
+ * @return null
+ */
+ public Mark selectFirst(TextNode node) {
+ return null;
+ }
+
+ /**
+ * Select last.
+ * This does nothing since the output is pdf and not interactive.
+ * @param node the text node
+ * @return null
+ */
+ public Mark selectLast(TextNode node) {
+ return null;
+ }
+
+ /**
+ * Get selected.
+ * This does nothing since the output is pdf and not interactive.
+ * @param start the start mark
+ * @param finish the finish mark
+ * @return null
+ */
+ public int[] getSelected(Mark start, Mark finish) {
+ return null;
+ }
+
+ /**
+ * Get the highlighted shape.
+ * This does nothing since the output is pdf and not interactive.
+ * @param beginMark the start mark
+ * @param endMark the end mark
+ * @return null
+ */
+ public Shape getHighlightShape(Mark beginMark, Mark endMark) {
+ return null;
+ }
+
+}
import org.apache.fop.afp.AFPResourceInfo;
import org.apache.fop.afp.AFPResourceLevel;
import org.apache.fop.afp.AFPState;
+import org.apache.fop.afp.AFPTextElementBridge;
import org.apache.fop.afp.AFPTextHandler;
+import org.apache.fop.afp.AFPTextPainter;
import org.apache.fop.image.loader.batik.GenericGraphics2DImagePainter;
import org.apache.fop.render.RendererContext;
import org.apache.fop.svg.SVGUserAgent;
import org.apache.fop.afp.AFPResourceInfo;
import org.apache.fop.afp.AFPResourceManager;
import org.apache.fop.afp.AFPState;
+import org.apache.fop.afp.AFPTextElementBridge;
import org.apache.fop.afp.AFPTextHandler;
+import org.apache.fop.afp.AFPTextPainter;
import org.apache.fop.afp.AFPUnitConverter;
import org.apache.fop.fo.extensions.ExtensionElementMapping;
import org.apache.fop.render.AbstractGenericSVGHandler;
+++ /dev/null
-/*
- * 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.afp;
-
-import org.apache.batik.bridge.SVGTextElementBridge;
-import org.apache.batik.bridge.BridgeContext;
-import org.apache.batik.gvt.GraphicsNode;
-import org.apache.batik.gvt.TextNode;
-import org.apache.batik.gvt.TextPainter;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-
-/**
- * Bridge class for the <text> element.
- * This bridge will use the direct text painter if the text
- * for the element is simple.
- */
-public class AFPTextElementBridge extends SVGTextElementBridge {
-
- private AFPTextPainter textPainter;
-
- /**
- * Constructs a new bridge for the <text> element.
- * @param textPainter the text painter to use
- */
- public AFPTextElementBridge(AFPTextPainter textPainter) {
- this.textPainter = textPainter;
- }
-
- /**
- * Create a text element bridge.
- * This set the text painter on the node if the text is simple.
- * @param ctx the bridge context
- * @param e the svg element
- * @return the text graphics node created by the super class
- */
- public GraphicsNode createGraphicsNode(BridgeContext ctx, Element e) {
- GraphicsNode node = super.createGraphicsNode(ctx, e);
- if (node != null && isSimple(ctx, e, node)) {
- ((TextNode)node).setTextPainter(getTextPainter());
- }
- return node;
- }
-
- private TextPainter getTextPainter() {
- return this.textPainter;
- }
-
- /**
- * Check if text element contains simple text.
- * This checks the children of the text element to determine
- * if the text is simple. The text is simple if it can be rendered
- * with basic text drawing algorithms. This means there are no
- * alternate characters, the font is known and there are no effects
- * applied to the text.
- *
- * @param ctx the bridge context
- * @param element the svg text element
- * @param node the graphics node
- * @return true if this text is simple of false if it cannot be
- * easily rendered using normal drawString on the PDFGraphics2D
- */
- private boolean isSimple(BridgeContext ctx, Element element, GraphicsNode node) {
- for (Node n = element.getFirstChild();
- n != null;
- n = n.getNextSibling()) {
-
- switch (n.getNodeType()) {
- case Node.ELEMENT_NODE:
-
- if (n.getLocalName().equals(SVG_TSPAN_TAG)
- || n.getLocalName().equals(SVG_ALT_GLYPH_TAG)) {
- return false;
- } else if (n.getLocalName().equals(SVG_TEXT_PATH_TAG)) {
- return false;
- } else if (n.getLocalName().equals(SVG_TREF_TAG)) {
- return false;
- }
- break;
- case Node.TEXT_NODE:
- case Node.CDATA_SECTION_NODE:
- default:
- }
- }
-
- /*if (CSSUtilities.convertFilter(element, node, ctx) != null) {
- return false;
- }*/
-
- return true;
- }
-}
-
+++ /dev/null
-/*
- * 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.afp;
-
-import java.awt.Graphics2D;
-import java.awt.geom.Point2D;
-import java.awt.geom.Rectangle2D;
-import java.text.AttributedCharacterIterator;
-import java.text.CharacterIterator;
-import java.awt.font.TextAttribute;
-import java.awt.Shape;
-import java.awt.Paint;
-import java.awt.Color;
-import java.io.IOException;
-import java.util.List;
-import java.util.Iterator;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.fop.afp.AFPGraphics2D;
-import org.apache.fop.afp.AFPTextHandler;
-import org.apache.fop.fonts.Font;
-import org.apache.fop.fonts.FontInfo;
-import org.apache.fop.fonts.FontTriplet;
-
-import org.apache.batik.dom.svg.SVGOMTextElement;
-import org.apache.batik.gvt.text.Mark;
-import org.apache.batik.gvt.TextPainter;
-import org.apache.batik.gvt.TextNode;
-import org.apache.batik.gvt.text.GVTAttributedCharacterIterator;
-import org.apache.batik.gvt.text.TextPaintInfo;
-import org.apache.batik.gvt.font.GVTFontFamily;
-import org.apache.batik.gvt.renderer.StrokingTextPainter;
-
-
-/**
- * Renders the attributed character iterator of a <tt>TextNode</tt>.
- * This class draws the text directly into the AFPGraphics2D so that
- * the text is not drawn using shapes.
- * If the text is simple enough to draw then it sets the font and calls
- * drawString. If the text is complex or the cannot be translated
- * into a simple drawString the StrokingTextPainter is used instead.
- */
-public class AFPTextPainter implements TextPainter {
-
- /** the logger for this class */
- protected Log log = LogFactory.getLog(AFPTextPainter.class);
-
- private AFPTextHandler nativeTextHandler;
-
- /**
- * Use the stroking text painter to get the bounds and shape.
- * Also used as a fallback to draw the string with strokes.
- */
- protected static final TextPainter
- PROXY_PAINTER = StrokingTextPainter.getInstance();
-
- /**
- * Create a new PS text painter with the given font information.
- * @param nativeTextHandler the NativeTextHandler instance used for text painting
- */
- public AFPTextPainter(AFPTextHandler nativeTextHandler) {
- this.nativeTextHandler = nativeTextHandler;
- }
-
- /**
- * Paints the specified attributed character iterator using the
- * specified Graphics2D and context and font context.
- * @param node the TextNode to paint
- * @param g2d the Graphics2D to use
- */
- public void paint(TextNode node, Graphics2D g2d) {
- Point2D loc = node.getLocation();
- log.debug("painting text node " + node);
- if (hasUnsupportedAttributes(node)) {
- log.debug("hasunsuportedattributes");
- PROXY_PAINTER.paint(node, g2d);
- } else {
- log.debug("allattributessupported");
- paintTextRuns(node.getTextRuns(), g2d, loc);
- }
- }
-
- private boolean hasUnsupportedAttributes(TextNode node) {
- Iterator iter = node.getTextRuns().iterator();
- while (iter.hasNext()) {
- StrokingTextPainter.TextRun
- run = (StrokingTextPainter.TextRun)iter.next();
- AttributedCharacterIterator aci = run.getACI();
- boolean hasUnsupported = hasUnsupportedAttributes(aci);
- if (hasUnsupported) {
- return true;
- }
- }
- return false;
- }
-
- private boolean hasUnsupportedAttributes(AttributedCharacterIterator aci) {
- boolean hasunsupported = false;
-
- String text = getText(aci);
- Font font = makeFont(aci);
- if (hasUnsupportedGlyphs(text, font)) {
- log.trace("-> Unsupported glyphs found");
- hasunsupported = true;
- }
-
- TextPaintInfo tpi = (TextPaintInfo) aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.PAINT_INFO);
- if ((tpi != null)
- && ((tpi.strokeStroke != null && tpi.strokePaint != null)
- || (tpi.strikethroughStroke != null)
- || (tpi.underlineStroke != null)
- || (tpi.overlineStroke != null))) {
- log.trace("-> under/overlines etc. found");
- hasunsupported = true;
- }
-
- //Alpha is not supported
- Paint foreground = (Paint) aci.getAttribute(TextAttribute.FOREGROUND);
- if (foreground instanceof Color) {
- Color col = (Color)foreground;
- if (col.getAlpha() != 255) {
- log.trace("-> transparency found");
- hasunsupported = true;
- }
- }
-
- Object letSpace = aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.LETTER_SPACING);
- if (letSpace != null) {
- log.trace("-> letter spacing found");
- hasunsupported = true;
- }
-
- Object wordSpace = aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.WORD_SPACING);
- if (wordSpace != null) {
- log.trace("-> word spacing found");
- hasunsupported = true;
- }
-
- Object lengthAdjust = aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.LENGTH_ADJUST);
- if (lengthAdjust != null) {
- log.trace("-> length adjustments found");
- hasunsupported = true;
- }
-
- Object writeMod = aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.WRITING_MODE);
- if (writeMod != null
- && !GVTAttributedCharacterIterator.TextAttribute.WRITING_MODE_LTR.equals(
- writeMod)) {
- log.trace("-> Unsupported writing modes found");
- hasunsupported = true;
- }
-
- Object vertOr = aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.VERTICAL_ORIENTATION);
- if (GVTAttributedCharacterIterator.TextAttribute.ORIENTATION_ANGLE.equals(
- vertOr)) {
- log.trace("-> vertical orientation found");
- hasunsupported = true;
- }
-
- Object rcDel = aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.TEXT_COMPOUND_DELIMITER);
- //Batik 1.6 returns null here which makes it impossible to determine whether this can
- //be painted or not, i.e. fall back to stroking. :-(
- if (rcDel != null && !(rcDel instanceof SVGOMTextElement)) {
- log.trace("-> spans found");
- hasunsupported = true; //Filter spans
- }
-
- if (hasunsupported) {
- log.trace("Unsupported attributes found in ACI, using StrokingTextPainter");
- }
- return hasunsupported;
- }
-
- /**
- * Paint a list of text runs on the Graphics2D at a given location.
- * @param textRuns the list of text runs
- * @param g2d the Graphics2D to paint to
- * @param loc the current location of the "cursor"
- */
- protected void paintTextRuns(List textRuns, Graphics2D g2d, Point2D loc) {
- Point2D currentloc = loc;
- Iterator i = textRuns.iterator();
- while (i.hasNext()) {
- StrokingTextPainter.TextRun
- run = (StrokingTextPainter.TextRun)i.next();
- currentloc = paintTextRun(run, g2d, currentloc);
- }
- }
-
- /**
- * Paint a single text run on the Graphics2D at a given location.
- * @param run the text run to paint
- * @param g2d the Graphics2D to paint to
- * @param loc the current location of the "cursor"
- * @return the new location of the "cursor" after painting the text run
- */
- protected Point2D paintTextRun(StrokingTextPainter.TextRun run, Graphics2D g2d, Point2D loc) {
- AttributedCharacterIterator aci = run.getACI();
- aci.first();
-
- updateLocationFromACI(aci, loc);
- loc = g2d.getTransform().transform(loc, null);
-
- // font
- Font font = makeFont(aci);
- nativeTextHandler.setOverrideFont(font);
-
- // color
- TextPaintInfo tpi = (TextPaintInfo) aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.PAINT_INFO);
- if (tpi == null) {
- return loc;
- }
- Paint foreground = tpi.fillPaint;
- if (foreground instanceof Color) {
- Color col = (Color)foreground;
- g2d.setColor(col);
- }
- g2d.setPaint(foreground);
-
- String txt = getText(aci);
- float advance = getStringWidth(txt, font);
- float tx = 0;
- TextNode.Anchor anchor = (TextNode.Anchor)aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.ANCHOR_TYPE);
- if (anchor != null) {
- switch (anchor.getType()) {
- case TextNode.Anchor.ANCHOR_MIDDLE:
- tx = -advance / 2;
- break;
- case TextNode.Anchor.ANCHOR_END:
- tx = -advance;
- break;
- default: //nop
- }
- }
-
- // draw string
- try {
- try {
- nativeTextHandler.drawString(txt, (float)(loc.getX() + tx), (float)(loc.getY()));
- } catch (IOException ioe) {
- if (g2d instanceof AFPGraphics2D) {
- ((AFPGraphics2D)g2d).handleIOException(ioe);
- }
- }
- } finally {
- nativeTextHandler.setOverrideFont(null);
- }
- loc.setLocation(loc.getX() + (double)advance, loc.getY());
- return loc;
- }
-
- /**
- * Extract the raw text from an ACI.
- * @param aci ACI to inspect
- * @return the extracted text
- */
- protected String getText(AttributedCharacterIterator aci) {
- StringBuffer sb = new StringBuffer(aci.getEndIndex() - aci.getBeginIndex());
- for (char c = aci.first(); c != CharacterIterator.DONE; c = aci.next()) {
- sb.append(c);
- }
- return sb.toString();
- }
-
- private void updateLocationFromACI(
- AttributedCharacterIterator aci,
- Point2D loc) {
- //Adjust position of span
- Float xpos = (Float)aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.X);
- Float ypos = (Float)aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.Y);
- Float dxpos = (Float)aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.DX);
- Float dypos = (Float)aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.DY);
- if (xpos != null) {
- loc.setLocation(xpos.doubleValue(), loc.getY());
- }
- if (ypos != null) {
- loc.setLocation(loc.getX(), ypos.doubleValue());
- }
- if (dxpos != null) {
- loc.setLocation(loc.getX() + dxpos.doubleValue(), loc.getY());
- }
- if (dypos != null) {
- loc.setLocation(loc.getX(), loc.getY() + dypos.doubleValue());
- }
- }
-
- private String getStyle(AttributedCharacterIterator aci) {
- Float posture = (Float)aci.getAttribute(TextAttribute.POSTURE);
- return ((posture != null) && (posture.floatValue() > 0.0))
- ? "italic"
- : "normal";
- }
-
- private int getWeight(AttributedCharacterIterator aci) {
- Float taWeight = (Float)aci.getAttribute(TextAttribute.WEIGHT);
- return ((taWeight != null) && (taWeight.floatValue() > 1.0))
- ? Font.WEIGHT_BOLD
- : Font.WEIGHT_NORMAL;
- }
-
- private Font makeFont(AttributedCharacterIterator aci) {
- Float fontSize = (Float)aci.getAttribute(TextAttribute.SIZE);
- if (fontSize == null) {
- fontSize = new Float(10.0f);
- }
- String style = getStyle(aci);
- int weight = getWeight(aci);
-
- FontInfo fontInfo = nativeTextHandler.getFontInfo();
- String fontFamily = null;
- List gvtFonts = (List) aci.getAttribute(
- GVTAttributedCharacterIterator.TextAttribute.GVT_FONT_FAMILIES);
- if (gvtFonts != null) {
- Iterator i = gvtFonts.iterator();
- while (i.hasNext()) {
- GVTFontFamily fam = (GVTFontFamily) i.next();
- /* (todo) Enable SVG Font painting
- if (fam instanceof SVGFontFamily) {
- PROXY_PAINTER.paint(node, g2d);
- return;
- }*/
- fontFamily = fam.getFamilyName();
- if (fontInfo.hasFont(fontFamily, style, weight)) {
- FontTriplet triplet = fontInfo.fontLookup(
- fontFamily, style, weight);
- int fsize = (int)(fontSize.floatValue() * 1000);
- return fontInfo.getFontInstance(triplet, fsize);
- }
- }
- }
- FontTriplet triplet = fontInfo.fontLookup("any", style, Font.WEIGHT_NORMAL);
- int fsize = (int)(fontSize.floatValue() * 1000);
- return fontInfo.getFontInstance(triplet, fsize);
- }
-
- private float getStringWidth(String str, Font font) {
- float wordWidth = 0;
- float whitespaceWidth = font.getWidth(font.mapChar(' '));
-
- for (int i = 0; i < str.length(); i++) {
- float charWidth;
- char c = str.charAt(i);
- if (!((c == ' ') || (c == '\n') || (c == '\r') || (c == '\t'))) {
- charWidth = font.getWidth(font.mapChar(c));
- if (charWidth <= 0) {
- charWidth = whitespaceWidth;
- }
- } else {
- charWidth = whitespaceWidth;
- }
- wordWidth += charWidth;
- }
- return wordWidth / 1000f;
- }
-
- private boolean hasUnsupportedGlyphs(String str, Font font) {
- for (int i = 0; i < str.length(); i++) {
- char c = str.charAt(i);
- if (!((c == ' ') || (c == '\n') || (c == '\r') || (c == '\t'))) {
- if (!font.hasChar(c)) {
- return true;
- }
- }
- }
- return false;
- }
-
- /**
- * Get the outline shape of the text characters.
- * This uses the StrokingTextPainter to get the outline
- * shape since in theory it should be the same.
- *
- * @param node the text node
- * @return the outline shape of the text characters
- */
- public Shape getOutline(TextNode node) {
- return PROXY_PAINTER.getOutline(node);
- }
-
- /**
- * Get the bounds.
- * This uses the StrokingTextPainter to get the bounds
- * since in theory it should be the same.
- *
- * @param node the text node
- * @return the bounds of the text
- */
- public Rectangle2D getBounds2D(TextNode node) {
- /* (todo) getBounds2D() is too slow
- * because it uses the StrokingTextPainter. We should implement this
- * method ourselves. */
- return PROXY_PAINTER.getBounds2D(node);
- }
-
- /**
- * Get the geometry bounds.
- * This uses the StrokingTextPainter to get the bounds
- * since in theory it should be the same.
- * @param node the text node
- * @return the bounds of the text
- */
- public Rectangle2D getGeometryBounds(TextNode node) {
- return PROXY_PAINTER.getGeometryBounds(node);
- }
-
- // Methods that have no purpose for PS
-
- /**
- * Get the mark.
- * This does nothing since the output is pdf and not interactive.
- * @param node the text node
- * @param pos the position
- * @param all select all
- * @return null
- */
- public Mark getMark(TextNode node, int pos, boolean all) {
- return null;
- }
-
- /**
- * Select at.
- * This does nothing since the output is pdf and not interactive.
- * @param x the x position
- * @param y the y position
- * @param node the text node
- * @return null
- */
- public Mark selectAt(double x, double y, TextNode node) {
- return null;
- }
-
- /**
- * Select to.
- * This does nothing since the output is pdf and not interactive.
- * @param x the x position
- * @param y the y position
- * @param beginMark the start mark
- * @return null
- */
- public Mark selectTo(double x, double y, Mark beginMark) {
- return null;
- }
-
- /**
- * Selec first.
- * This does nothing since the output is pdf and not interactive.
- * @param node the text node
- * @return null
- */
- public Mark selectFirst(TextNode node) {
- return null;
- }
-
- /**
- * Select last.
- * This does nothing since the output is pdf and not interactive.
- * @param node the text node
- * @return null
- */
- public Mark selectLast(TextNode node) {
- return null;
- }
-
- /**
- * Get selected.
- * This does nothing since the output is pdf and not interactive.
- * @param start the start mark
- * @param finish the finish mark
- * @return null
- */
- public int[] getSelected(Mark start, Mark finish) {
- return null;
- }
-
- /**
- * Get the highlighted shape.
- * This does nothing since the output is pdf and not interactive.
- * @param beginMark the start mark
- * @param endMark the end mark
- * @return null
- */
- public Shape getHighlightShape(Mark beginMark, Mark endMark) {
- return null;
- }
-
-}
projects / xmlgraphics-fop.git / commitdiff