From 41c0dd4ca3ec21917979e035b3112d31a612acfb Mon Sep 17 00:00:00 2001 From: Keiron Liddle Date: Thu, 7 Jun 2001 06:47:59 +0000 Subject: [PATCH] fixes a couple of problems when placing foreign objects near page break git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@194277 13f79535-47bb-0310-9956-ffa450edef68 --- src/org/apache/fop/fo/FObj.java | 55 +- .../fop/fo/flow/InstreamForeignObject.java | 494 ++++++++---------- 2 files changed, 232 insertions(+), 317 deletions(-) diff --git a/src/org/apache/fop/fo/FObj.java b/src/org/apache/fop/fo/FObj.java index 053758b11..3cea975bb 100644 --- a/src/org/apache/fop/fo/FObj.java +++ b/src/org/apache/fop/fo/FObj.java @@ -1,52 +1,7 @@ -/*-- $Id$ -- - - ============================================================================ - 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 . For more information on the Apache - Software Foundation, please see . - +/* $Id$ + * Copyright (C) 2001 The Apache Software Foundation. All rights reserved. + * For details on use and redistribution please refer to the + * LICENSE file included with these sources. */ package org.apache.fop.fo; @@ -171,7 +126,7 @@ public class FObj extends FONode { */ public void removeID(IDReferences idReferences) { - if(((FObj)this).properties.get("id") == null) + if(((FObj)this).properties.get("id") == null || ((FObj)this).properties.get("id").getString() == null) return; idReferences.removeID( ((FObj)this).properties.get("id").getString()); int numChildren = this.children.size(); diff --git a/src/org/apache/fop/fo/flow/InstreamForeignObject.java b/src/org/apache/fop/fo/flow/InstreamForeignObject.java index 3ef4cb6f3..1cd432c82 100644 --- a/src/org/apache/fop/fo/flow/InstreamForeignObject.java +++ b/src/org/apache/fop/fo/flow/InstreamForeignObject.java @@ -1,52 +1,7 @@ -/*-- $Id$ -- - - ============================================================================ - 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 . For more information on the Apache - Software Foundation, please see . - +/* $Id$ + * Copyright (C) 2001 The Apache Software Foundation. All rights reserved. + * For details on use and redistribution please refer to the + * LICENSE file included with these sources. */ package org.apache.fop.fo.flow; @@ -64,233 +19,238 @@ import org.apache.fop.apps.FOPException; 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(); - } - - int breakBefore; - int breakAfter; - int scaling; - int width; - int height; - int contwidth; - int contheight; - boolean wauto; - boolean hauto; - boolean cwauto; - boolean chauto; - int spaceBefore; - int spaceAfter; - int startIndent; - int endIndent; - - ForeignObjectArea 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(); - int align = this.properties.get("text-align").getEnum(); - int valign = this.properties.get("vertical-align").getEnum(); - int overflow = this.properties.get("overflow").getEnum(); - - 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.startIndent = - this.properties.get("start-indent").getLength().mvalue(); - this.endIndent = - this.properties.get("end-indent").getLength().mvalue(); - this.spaceBefore = - this.properties.get("space-before.optimum").getLength().mvalue(); - this.spaceAfter = - this.properties.get("space-after.optimum").getLength().mvalue(); - - this.scaling = this.properties.get("scaling").getEnum(); - - area.getIDReferences().createID(id); - /* if is embedded in a block area */ - if (area instanceof BlockArea) { - /* temporarily end the block area */ -// area.end(); - } - if(this.areaCurrent == null) { - this.areaCurrent = - new ForeignObjectArea( propMgr.getFontState(area.getFontInfo()), area.getAllocationWidth()); - - this.areaCurrent.start(); - areaCurrent.setWidth(this.width); - areaCurrent.setHeight(this.height); - areaCurrent.setContentWidth(this.contwidth); - areaCurrent.setContentHeight(this.contheight); - areaCurrent.setScaling(this.scaling); - areaCurrent.setAlign(align); - areaCurrent.setVerticalAlign(valign); - areaCurrent.setOverflow(overflow); - areaCurrent.setSizeAuto(wauto, hauto); - areaCurrent.setContentSizeAuto(cwauto, chauto); - - // this means that children can get the fontstate - areaCurrent.setPage(area.getPage()); - - int numChildren = this.children.size(); - if(numChildren > 1) { - throw new FOPException("Only one child element is allowed in an instream-foreign-object"); - } - /* layout foreign object */ - if(this.children.size() > 0) { - 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 foreign object area */ - this.areaCurrent.end(); - } - } - - this.marker = 0; - - if (breakBefore == BreakBefore.PAGE || ((spaceBefore + areaCurrent.getEffectiveHeight()) > area.spaceLeft())) { - 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 (area instanceof BlockArea) { - BlockArea ba = (BlockArea)area; + /** + * 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(); + } + + int breakBefore; + int breakAfter; + int scaling; + int width; + int height; + int contwidth; + int contheight; + boolean wauto; + boolean hauto; + boolean cwauto; + boolean chauto; + int spaceBefore; + int spaceAfter; + int startIndent; + int endIndent; + + ForeignObjectArea 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(); + int align = this.properties.get("text-align").getEnum(); + int valign = this.properties.get("vertical-align").getEnum(); + int overflow = this.properties.get("overflow").getEnum(); + + 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.startIndent = this.properties.get( + "start-indent").getLength().mvalue(); + this.endIndent = this.properties.get( + "end-indent").getLength().mvalue(); + this.spaceBefore = this.properties.get( + "space-before.optimum").getLength().mvalue(); + this.spaceAfter = this.properties.get( + "space-after.optimum").getLength().mvalue(); + + this.scaling = this.properties.get("scaling").getEnum(); + + area.getIDReferences().createID(id); + if (this.areaCurrent == null) { + this.areaCurrent = new ForeignObjectArea( + propMgr.getFontState(area.getFontInfo()), + area.getAllocationWidth()); + + this.areaCurrent.start(); + areaCurrent.setWidth(this.width); + areaCurrent.setHeight(this.height); + areaCurrent.setContentWidth(this.contwidth); + areaCurrent.setContentHeight(this.contheight); + areaCurrent.setScaling(this.scaling); + areaCurrent.setAlign(align); + areaCurrent.setVerticalAlign(valign); + areaCurrent.setOverflow(overflow); + areaCurrent.setSizeAuto(wauto, hauto); + areaCurrent.setContentSizeAuto(cwauto, chauto); + + // this means that children can get the fontstate + areaCurrent.setPage(area.getPage()); + + int numChildren = this.children.size(); + if (numChildren > 1) { + throw new FOPException("Only one child element is allowed in an instream-foreign-object"); + } + /* layout foreign object */ + if (this.children.size() > 0) { + 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 foreign object area */ + this.areaCurrent.end(); + } + } + + this.marker = 0; + + if (breakBefore == BreakBefore.PAGE || + ((spaceBefore + areaCurrent.getEffectiveHeight()) > + area.spaceLeft())) { + 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 (this.areaCurrent == null) { + return new Status(Status.OK); + } + + if (area instanceof BlockArea) { + BlockArea ba = (BlockArea) area; LineArea la = ba.getCurrentLineArea(); - if(la == null) { + if (la == null) { return new Status(Status.AREA_FULL_NONE); } la.addPending(); - if(areaCurrent.getEffectiveWidth() > la.getRemainingWidth()) { + if (areaCurrent.getEffectiveWidth() > la.getRemainingWidth()) { la = ba.createNextLineArea(); - if(la == null) { + if (la == null) { return new Status(Status.AREA_FULL_NONE); } } la.addInlineArea(areaCurrent); - } else { + } else { area.addChild(areaCurrent); area.increaseHeight(areaCurrent.getEffectiveHeight()); - } - - if (this.isInTableCell) { - startIndent += forcedStartOffset; -/* endIndent = areaCurrent.getEffectiveWidth() - forcedWidth - - forcedStartOffset;*/ - } - - areaCurrent.setStartIndent(startIndent); -// areaCurrent.setEndIndent(endIndent); - - /* if there is a space-before */ - if (spaceBefore != 0) { - /* add a display space */ -// area.addDisplaySpace(spaceBefore); - } - - /* add the SVG area to the containing area */ -// area.addChild(areaCurrent); - - areaCurrent.setPage(area.getPage()); - - /* increase the height of the containing area accordingly */ -// area.increaseHeight(areaCurrent.getEffectiveHeight()); - - /* 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); - } + } + + if (this.isInTableCell) { + startIndent += forcedStartOffset; + /* endIndent = areaCurrent.getEffectiveWidth() - forcedWidth - + forcedStartOffset;*/ + } + + areaCurrent.setStartIndent(startIndent); + // areaCurrent.setEndIndent(endIndent); + + /* if there is a space-before */ + if (spaceBefore != 0) { + /* add a display space */ + // area.addDisplaySpace(spaceBefore); + } + + /* add the SVG area to the containing area */ + // area.addChild(areaCurrent); + + areaCurrent.setPage(area.getPage()); + + /* increase the height of the containing area accordingly */ + // area.increaseHeight(areaCurrent.getEffectiveHeight()); + + /* if there is a space-after */ + if (spaceAfter != 0) { + /* add a display space */ + // area.addDisplaySpace(spaceAfter); + } + + + 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); + } + + areaCurrent = null; + /* return status */ + return new Status(Status.OK); + } } -- 2.39.5