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- /*-- $Id$ --
-
- ============================================================================
- 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.xml.fop.svg;
-
- // FOP
- import org.apache.xml.fop.fo.*;
- import org.apache.xml.fop.fo.properties.*;
- import org.apache.xml.fop.layout.Area;
- import org.apache.xml.fop.layout.BlockArea;
- import org.apache.xml.fop.layout.FontState;
- import org.apache.xml.fop.apps.FOPException;
-
- /**
- * class representing svg:svg pseudo flow object.
- */
- public class SVG 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 SVG(parent, propertyList);
- }
- }
-
- /**
- * returns the maker for this object.
- *
- * @return the maker for SVG objects
- */
- public static FObj.Maker maker() {
- return new SVG.Maker();
- }
-
- FontState fs;
- int breakBefore;
- int breakAfter;
- int width;
- int height;
- int spaceBefore;
- int spaceAfter;
-
- /**
- * constructs an SVG object (called by Maker).
- *
- * @param parent the parent formatting object
- * @param propertyList the explicit properties of this object
- */
- public SVG(FObj parent, PropertyList propertyList) {
- super(parent, propertyList);
- this.name = "svg:svg";
- }
-
- /**
- * layout this formatting object.
- *
- * @param area the area to layout the object into
- *
- * @return the status of the layout
- */
- public int layout(Area area) throws FOPException {
-
- if (this.marker == BREAK_AFTER) {
- return OK;
- }
-
- if (this.marker == START) {
- /* retrieve properties */
- 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.spaceBefore =
- this.properties.get("space-before.optimum").getLength().mvalue();
- this.spaceAfter =
- this.properties.get("space-after.optimum").getLength().mvalue();
- /* if the SVG is embedded in a block area */
- if (area instanceof BlockArea) {
- /* temporarily end the block area */
- area.end();
- }
-
- this.marker = 0;
-
- if (breakBefore == BreakBefore.PAGE) {
- return FORCE_PAGE_BREAK;
- }
-
- if (breakBefore == BreakBefore.ODD_PAGE) {
- return FORCE_PAGE_BREAK_ODD;
- }
-
- if (breakBefore == BreakBefore.EVEN_PAGE) {
- return FORCE_PAGE_BREAK_EVEN;
- }
- }
-
- /* if there is a space-before */
- if (spaceBefore != 0) {
- /* add a display space */
- area.addDisplaySpace(spaceBefore);
- }
-
- /* create an SVG area */
- SVGArea svgArea = new SVGArea(fs, width, height);
- svgArea.start();
-
- /* add the SVG area to the containing area */
- area.addChild(svgArea);
-
- /* iterate over the child formatting objects and lay them out
- into the SVG area */
- int numChildren = this.children.size();
- for (int i = 0; i < numChildren; i++) {
- FONode fo = (FONode) children.elementAt(i);
- int status;
- if ((status = fo.layout(svgArea)) != OK) {
- return status;
- }
- }
-
- /* finish off the SVG area */
- svgArea.end();
-
- /* increase the height of the containing area accordingly */
- area.increaseHeight(svgArea.getHeight());
-
- /* if there is a space-after */
- if (spaceAfter != 0) {
- /* add a display space */
- area.addDisplaySpace(spaceAfter);
- }
-
- /* if the SVG 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 FORCE_PAGE_BREAK;
- }
-
- if (breakAfter == BreakAfter.ODD_PAGE) {
- this.marker = BREAK_AFTER;
- return FORCE_PAGE_BREAK_ODD;
- }
-
- if (breakAfter == BreakAfter.EVEN_PAGE) {
- this.marker = BREAK_AFTER;
- return FORCE_PAGE_BREAK_EVEN;
- }
-
- /* return status */
- return OK;
- }
- }
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