--- /dev/null
+/*-- $Id$ --
+
+ ============================================================================
+ The Apache Software License, Version 1.1
+ ============================================================================
+
+ Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modifica-
+ tion, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. The end-user documentation included with the redistribution, if any, must
+ include the following acknowledgment: "This product includes software
+ developed by the Apache Software Foundation (http://www.apache.org/)."
+ Alternately, this acknowledgment may appear in the software itself, if
+ and wherever such third-party acknowledgments normally appear.
+
+ 4. The names "FOP" and "Apache Software Foundation" must not be used to
+ endorse or promote products derived from this software without prior
+ written permission. For written permission, please contact
+ apache@apache.org.
+
+ 5. Products derived from this software may not be called "Apache", nor may
+ "Apache" appear in their name, without prior written permission of the
+ Apache Software Foundation.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
+ DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This software consists of voluntary contributions made by many individuals
+ on behalf of the Apache Software Foundation and was originally created by
+ James Tauber <jtauber@jtauber.com>. For more information on the Apache
+ Software Foundation, please see <http://www.apache.org/>.
+
+ */
+
+package org.apache.fop.fo.flow;
+
+// FOP
+import org.apache.fop.fo.*;
+import org.apache.fop.fo.properties.*;
+import org.apache.fop.layout.*;
+import org.apache.fop.layout.BlockArea;
+import org.apache.fop.layout.FontState;
+import org.apache.fop.apps.FOPException;
+
+// Java
+import java.util.Enumeration;
+
+public class InstreamForeignObject extends FObj {
+ /**
+ * inner class for making SVG objects.
+ */
+ public static class Maker extends FObj.Maker {
+
+ /**
+ * make an SVG object.
+ *
+ * @param parent the parent formatting object
+ * @param propertyList the explicit properties of this object
+ *
+ * @return the SVG object
+ */
+ public FObj make(FObj parent, PropertyList propertyList)
+ throws FOPException {
+ return new InstreamForeignObject(parent, propertyList);
+ }
+ }
+
+ /**
+ * returns the maker for this object.
+ *
+ * @return the maker for SVG objects
+ */
+ public static FObj.Maker maker() {
+ return new InstreamForeignObject.Maker();
+ }
+
+ FontState fs;
+ int breakBefore;
+ int breakAfter;
+ int width;
+ int height;
+ int contwidth;
+ int contheight;
+ boolean wauto;
+ boolean hauto;
+ boolean cwauto;
+ boolean chauto;
+ int spaceBefore;
+ int spaceAfter;
+
+ Area areaCurrent;
+
+ /**
+ * constructs an instream-foreign-object object (called by Maker).
+ *
+ * @param parent the parent formatting object
+ * @param propertyList the explicit properties of this object
+ */
+ public InstreamForeignObject(FObj parent, PropertyList propertyList) {
+ super(parent, propertyList);
+ this.name = "fo:instream-foreign-object";
+ }
+
+ /**
+ * layout this formatting object.
+ *
+ * @param area the area to layout the object into
+ *
+ * @return the status of the layout
+ */
+ public Status layout(Area area) throws FOPException {
+
+ if (this.marker == BREAK_AFTER) {
+ return new Status(Status.OK);
+ }
+
+ if (this.marker == START) {
+ /* retrieve properties */
+ String id = this.properties.get("id").getString();
+ String fontFamily = this.properties.get("font-family").getString();
+ String fontStyle = this.properties.get("font-style").getString();
+ String fontWeight = this.properties.get("font-weight").getString();
+ int fontSize = this.properties.get("font-size").getLength().mvalue();
+
+ this.fs = new FontState(area.getFontInfo(), fontFamily,
+ fontStyle, fontWeight, fontSize);
+
+ this.breakBefore = this.properties.get("break-before").getEnum();
+ this.breakAfter = this.properties.get("break-after").getEnum();
+ this.width = this.properties.get("width").getLength().mvalue();
+ this.height = this.properties.get("height").getLength().mvalue();
+ this.contwidth = this.properties.get("content-width").getLength().mvalue();
+ this.contheight = this.properties.get("content-height").getLength().mvalue();
+ this.wauto = this.properties.get("width").getLength().isAuto();
+ this.hauto = this.properties.get("height").getLength().isAuto();
+ this.cwauto = this.properties.get("content-width").getLength().isAuto();
+ this.chauto = this.properties.get("content-height").getLength().isAuto();
+
+ this.spaceBefore =
+ this.properties.get("space-before.optimum").getLength().mvalue();
+ this.spaceAfter =
+ this.properties.get("space-after.optimum").getLength().mvalue();
+
+ area.getIDReferences().createID(id);
+ /* if is embedded in a block area */
+ if (area instanceof BlockArea) {
+ /* temporarily end the block area */
+ area.end();
+ }
+
+ this.marker = 0;
+
+ // this doesn't work for auto sizes
+ if (breakBefore == BreakBefore.PAGE || ((this.height + area.getHeight()) > area.getMaxHeight())) {
+ return new Status(Status.FORCE_PAGE_BREAK);
+ }
+
+ if (breakBefore == BreakBefore.ODD_PAGE) {
+ return new Status(Status.FORCE_PAGE_BREAK_ODD);
+ }
+
+ if (breakBefore == BreakBefore.EVEN_PAGE) {
+ return new Status(Status.FORCE_PAGE_BREAK_EVEN);
+ }
+ }
+
+ /* if there is a space-before */
+ if (spaceBefore != 0) {
+ /* add a display space */
+ area.addDisplaySpace(spaceBefore);
+ }
+
+ this.areaCurrent =
+ new ForeignObjectArea(fs, area.getAllocationWidth(),
+ area.spaceLeft(), 0);
+ areaCurrent.setPage(area.getPage());
+ /* layout foreign object */
+// svg.start();
+
+ /* add the SVG area to the containing area */
+ area.addChild(areaCurrent);
+
+ /* iterate over the child formatting objects and lay them out
+ into the SVG area */
+ int numChildren = this.children.size();
+ if(numChildren > 1) {
+ // error
+ }
+ FONode fo = (FONode) children.elementAt(0);
+ Status status;
+ // currently FONode must be an SVG
+ if ((status = fo.layout(this.areaCurrent)).isIncomplete()) {
+ return status;
+ }
+
+ /* finish off the SVG area */
+// svg.end();
+
+ /* increase the height of the containing area accordingly */
+ area.increaseHeight(areaCurrent.getHeight());
+
+ /* if there is a space-after */
+ if (spaceAfter != 0) {
+ /* add a display space */
+ area.addDisplaySpace(spaceAfter);
+ }
+
+ /* if is embedded in a block area */
+ if (area instanceof BlockArea) {
+ /* re-start the block area */
+ area.start();
+ }
+
+ if (breakAfter == BreakAfter.PAGE) {
+ this.marker = BREAK_AFTER;
+ return new Status(Status.FORCE_PAGE_BREAK);
+ }
+
+ if (breakAfter == BreakAfter.ODD_PAGE) {
+ this.marker = BREAK_AFTER;
+ return new Status(Status.FORCE_PAGE_BREAK_ODD);
+ }
+
+ if (breakAfter == BreakAfter.EVEN_PAGE) {
+ this.marker = BREAK_AFTER;
+ return new Status(Status.FORCE_PAGE_BREAK_EVEN);
+ }
+
+ /* return status */
+ return new Status(Status.OK);
+ }
+}
projects / xmlgraphics-fop.git / commitdiff