Moved sources from src/org/** to src/java/org/**

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@196061 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 293 insertions, 0 deletions

diff --git a/src/java/org/apache/fop/layoutmgr/BreakPoss.java b/src/java/org/apache/fop/layoutmgr/BreakPoss.java
new file mode 100644
index 000000000..61184cbf8
--- /dev/null
+++ b/src/java/org/apache/fop/layoutmgr/BreakPoss.java
@@ -0,0 +1,293 @@
+/*
+ * $Id: BreakPoss.java,v 1.13 2003/03/07 07:58:51 jeremias Exp $
+ * ============================================================================
+ *                    The Apache Software License, Version 1.1
+ * ============================================================================
+ * 
+ * Copyright (C) 1999-2003 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.layoutmgr;
+
+import org.apache.fop.traits.LayoutProps;
+
+/**
+ * Represents a break possibility for the layout manager.
+ * Used to pass information between different levels of layout manager concerning
+ * the break positions. In an inline context, before and after are interpreted as
+ * start and end.
+ * The position field is opaque represents where the break occurs. It is a
+ * nested structure with one level for each layout manager involved in generating
+ * the BreakPoss..
+ * @author Karen Lease
+ */
+public class BreakPoss {
+
+    // --- Values for flags returned from lower level LM. ---
+    /** May break after */
+    public static final int CAN_BREAK_AFTER         = 0x01;
+    /** Last area generated by FO */
+    public static final int ISLAST                  = 0x02;
+    /** First area generated by FO */
+    public static final int ISFIRST                 = 0x04;
+    /** Forced break (ie LF) */
+    public static final int FORCE                   = 0x08;
+    /** May break before */
+    public static final int CAN_BREAK_BEFORE        = 0x10;
+    /** has anchors */
+    public static final int HAS_ANCHORS             = 0x40;
+    /** 
+     * Set this flag if all fo:character generated Areas would
+     * suppressed at the end or beginning of a line */
+    public static final int ALL_ARE_SUPPRESS_AT_LB  = 0x80;
+    /** This break possibility is a hyphenation */
+    public static final int HYPHENATED              = 0x100;
+    /** 
+     * If this break possibility ends the line, all remaining characters
+     * in the lowest level text LM will be suppressed.
+     */
+    public static final int REST_ARE_SUPPRESS_AT_LB = 0x200;
+    /** Next area for LM overflows */
+    public static final int NEXT_OVERFLOWS          = 0x400;
+
+    /** The opaque position object used by m_lm to record its
+     *  break position.
+     */
+    private Position position;
+
+    /**
+     * The size range in the stacking direction of the area which would be
+     * generated if this BreakPoss were used.
+     */
+    private MinOptMax stackSize;
+
+    /**
+     * Max height above and below the baseline. These are cumulative.
+     */
+    private int lead;
+    // the max height of before and after alignment
+    private int total;
+    // middle alignment height for after
+    private int middle;
+
+    /** Size in the non-stacking direction (perpendicular). */
+    private MinOptMax nonStackSize;
+
+    private long flags = 0;
+    private LayoutProps layoutProps = new LayoutProps();
+
+    /** Store space-after (or end) and space-before (or start) to be
+     * added if this break position is used.
+     */
+    private SpaceSpecifier spaceSpecTrailing;
+    private SpaceSpecifier spaceSpecLeading;
+
+    public BreakPoss(Position position) {
+        this(position, 0);
+    }
+
+    public BreakPoss(Position position, long flags) {
+        this.position = position;
+        this.flags = flags;
+    }
+
+    /**
+     * The top-level layout manager responsible for this break
+     */
+    public LayoutProcessor getLayoutManager() {
+        return position.getLM();
+    }
+
+    //     public void setLayoutManager(LayoutManager lm) {
+    //         m_lm = lm;
+    //     }
+
+    /**
+     * An object representing the break position in this layout manager.
+     */
+    public Position getPosition() {
+        return position;
+    }
+
+    public void setPosition(Position pos) {
+        position = pos;
+    }
+
+    public void setStackingSize(MinOptMax size) {
+        this.stackSize = size;
+    }
+
+    public MinOptMax getStackingSize() {
+        return this.stackSize ;
+    }
+
+    public void setNonStackingSize(MinOptMax size) {
+        this.nonStackSize = size;
+    }
+
+    public MinOptMax getNonStackingSize() {
+        return this.nonStackSize ;
+    }
+
+    public long getFlags() {
+        return flags;
+    }
+
+    public void setFlag(int flagBit) {
+        setFlag(flagBit, true);
+    }
+
+    public void setFlag(int flagBit, boolean bSet) {
+        if (bSet) {
+            flags |= flagBit;
+        } else {
+            flags &= ~flagBit;
+        }
+    }
+
+    public boolean isLastArea() {
+        return ((flags & ISLAST) != 0);
+    }
+
+    public boolean isFirstArea() {
+        return ((flags & ISFIRST) != 0);
+    }
+
+    public boolean canBreakAfter() {
+        return ((flags & CAN_BREAK_AFTER) != 0);
+    }
+
+    public boolean canBreakBefore() {
+        return ((flags & CAN_BREAK_BEFORE) != 0);
+    }
+
+    public boolean couldEndLine() {
+        return ((flags & REST_ARE_SUPPRESS_AT_LB) != 0);
+    }
+
+    public boolean isForcedBreak() {
+        return ((flags & FORCE) != 0);
+    }
+
+    public boolean nextBreakOverflows() {
+        return ((flags & NEXT_OVERFLOWS) != 0);
+    }
+
+    public boolean isSuppressible() {
+        return ((flags & ALL_ARE_SUPPRESS_AT_LB) != 0);
+    }
+
+    public SpaceSpecifier getLeadingSpace() {
+        return spaceSpecLeading;
+    }
+
+    public MinOptMax resolveLeadingSpace() {
+        if (spaceSpecLeading != null) {
+            return spaceSpecLeading.resolve(false);
+        } else {
+            return new MinOptMax(0);
+        }
+    }
+
+    public SpaceSpecifier getTrailingSpace() {
+        return spaceSpecTrailing;
+    }
+
+    public MinOptMax resolveTrailingSpace(boolean bEndsRefArea) {
+        if (spaceSpecTrailing != null) {
+            return spaceSpecTrailing.resolve(bEndsRefArea);
+        } else {
+            return new MinOptMax(0);
+        }
+    }
+
+
+    public void setLeadingSpace(SpaceSpecifier spaceSpecLeading) {
+        this.spaceSpecLeading = spaceSpecLeading;
+    }
+
+    public void setTrailingSpace(SpaceSpecifier spaceSpecTrailing) {
+        this.spaceSpecTrailing = spaceSpecTrailing;
+    }
+
+    public LayoutProps getLayoutProps() {
+        return layoutProps;
+    }
+
+    public int getLead() {
+        return lead;
+    }
+
+    public int getTotal() {
+        return total;
+    }
+
+    public int getMiddle() {
+        return middle;
+    }
+
+    /**
+     * set lead height of baseline positioned element
+     * @param ld new lead value
+     */
+    public void setLead(int ld) {
+        lead = ld;
+    }
+
+    /**
+     * Set total height of top or bottom aligned element
+     * @param t new total height
+     */
+    public void setTotal(int t) {
+        total = t;
+    }
+
+    /**
+     * Set distance below baseline of middle aligned element
+     * @param t new value
+     */
+    public void setMiddle(int t) {
+        middle = t;
+    }
+}