pbwest 2002/10/04 09:28:58
Modified: src/org/apache/fop/fo Tag: FOP_0-20-0_Alt-Design FONode.java
Log:
Changed stackedProps to specifiedProps.
Set inherited and non-inherited properties which had not been specified.
Removed getParentPropertyValue().
Added getCurrentFontSize() and getPropertyValue().
Revision Changes Path
No revision
No revision
1.19.2.14 +83 -44 xml-fop/src/org/apache/fop/fo/FONode.java
Index: FONode.java
===================================================================
RCS file: /home/cvs/xml-fop/src/org/apache/fop/fo/FONode.java,v
retrieving revision 1.19.2.13
retrieving revision 1.19.2.14
diff -u -r1.19.2.13 -r1.19.2.14
--- FONode.java 3 Oct 2002 13:24:56 -0000 1.19.2.13
+++ FONode.java 4 Oct 2002 16:28:57 -0000 1.19.2.14
@@ -71,8 +71,8 @@
protected PropertyParser exprParser;
/** The property set for this node. */
protected PropertyValue[] propertySet;
- /** BitSet of properties for which specified values have been stacked. */
- private BitSet stackedProps =
+ /** BitSet of properties for which have been specified on this node. */
+ private BitSet specifiedProps =
new BitSet(PropNames.LAST_PROPERTY_INDEX + 1);
/** The <i>attrSet</i> argument. */
public final int attrSet;
@@ -120,18 +120,16 @@
}
// Set up the remaining properties.
for (int prop = inheritedBitSet.nextSetBit(0);
- prop >= 0;
- prop = inheritedBitSet.nextSetBit(++prop))
- {
- if (parent != null)
- propertySet[prop] = parent.propertySet[prop];
- else
- propertySet[prop] = foTree.getInitialValue(prop);
- }
+ prop >= 0;
+ prop = inheritedBitSet.nextSetBit(++prop)) {
+ System.out.println("...Setting inherited prop " + prop
+ + " " + PropNames.getPropertyName(prop));
+ propertySet[prop] = fromParent(prop);
+ }
for (int prop = nonInheritedBitSet.nextSetBit(0);
- prop >= 0;
- prop = inheritedBitSet.nextSetBit(++prop))
+ prop >= 0;
+ prop = inheritedBitSet.nextSetBit(++prop))
{
propertySet[prop] = foTree.getInitialValue(prop);
}
@@ -210,13 +208,13 @@
foTree.popPropertyValue(property);
value.setStackedBy(this);
foTree.pushPropertyValue(value);
- stackedProps.set(property);
+ specifiedProps.set(property);
}
private void unstackValues() throws PropertyException {
- for (int prop = stackedProps.nextSetBit(0);
+ for (int prop = specifiedProps.nextSetBit(0);
prop >=0;
- prop = stackedProps.nextSetBit(++prop)
+ prop = specifiedProps.nextSetBit(++prop)
) {
PropertyValue value = foTree.popPropertyValue(prop);
if (value.getStackedBy() != this)
@@ -226,15 +224,6 @@
}
/**
- * Get the parent's <tt>PropertyValue</tt> for the given property.
- * @param property - the property of interest.
- * @return the <tt>PropertyValue</tt> of the parent node.
- */
- public PropertyValue getParentPropertyValue(int property) {
- return parent.propertySet[property];
- }
-
- /**
* Get the <tt>PropertyValue</tt> of the nearest ancestor with a
* specified value for the given property.
* @param property - the property of interest.
@@ -296,12 +285,12 @@
}
/**
- * Get the computed value from the parent FO of the source property.
+ * Get the adjusted value from the parent FO of the source property.
+ * @see #fromParent(init,int)
+ * @see #getPropertyValue(int)
* @param property - the index of both target and source properties.
- * @return - the computed value from the parent FO node, if it exists.
- * If not, get the computed initial value. If no computed
- * value is available, return an <tt>Inherit</tt> object with a reference
- * to the PropertyTriplet.
+ * @return - the adjusted value from the parent FO node, if it exists.
+ * If not, get the adjusted initial value.
*/
public PropertyValue fromParent(int property)
throws PropertyException
@@ -310,25 +299,75 @@
}
/**
- * Get the computed value from the parent FO of the source property.
+ * Get the adjusted <tt>PropertyValue</tt> for the given source property
+ * on the parent <tt>FONode</tt>. If this node is not the root,
+ * call the <i>getPropertyValue</i> method in the parent node, adjust that
+ * that value, and return the adjusted value. Do not set the current
+ * value of the property on this node.
+ * <p>If this is the root node, return the adjusted initial value for the
+ * property. Do not set the current value of the property on this node.
+ * <p>The <b>adjusted value</b> is either the value itself, or, if the
+ * value is an unresolved relative length, an <tt>IndirectValue</tt>
+ * referring to that unresolved length.
+ * Cf. {@link #getPropertyValue(int)}.
* @param property - the index of the target property.
* @param sourceProperty - the index of the source property.
* @return - the computed value from the parent FO node, if it exists.
- * If not, get the computed initial value. If no computed
- * value is available, return an <tt>Inherit</tt> object with a reference
- * to the PropertyTriplet.
+ * If not, get the adjusted initial value.
*/
public PropertyValue fromParent(int property, int sourceProperty)
throws PropertyException
{
- PropertyValue value = getParentPropertyValue(sourceProperty);
- if (value == null) {
- // No computed value is available. Use an IndirectValue
- Inherit inherit = new Inherit(property, sourceProperty);
- inherit.setInheritedValue(value);
- return inherit;
- }
- return value;
+ if (parent != null)
+ return IndirectValue.adjustedPropertyValue
+ (parent.getPropertyValue(sourceProperty));
+ else // root
+ return IndirectValue.adjustedPropertyValue
+ (foTree.getInitialValue(sourceProperty));
}
-
+
+ public PropertyValue currentFontSize() throws PropertyException {
+ return getPropertyValue(PropNames.FONT_SIZE);
+ }
+
+
+ /**
+ * Get the adjusted <tt>PropertyValue</tt> for the given property index.
+ * <pre>
+ * If the property has a value in the node, return that adjusted value.
+ * If not, and
+ * if this node is not the root,
+ * and the property is an inherited property,
+ * call this method in the parent node,
+ * adjust that that value,
+ * set this node's value to the adjusted value,
+ * and return the adjusted value.
+ * else this node is the root, or the property is not inherited
+ * get the adjusted initial value of the property
+ * set the property value in this node to that value,
+ * and return that value.
+ * <pre>
+ * <p>The <b>adjusted value</b> is either the value itself, or, if the
+ * value is an unresolved relative length, an <tt>IndirectValue</tt>
+ * referring to that unresolved length.
+ * @param index - the property index.
+ * @return a <tt>PropertyValue</tt> containing the adjusted property
+ * value for the indexed property.
+ */
+ public PropertyValue getPropertyValue(int property)
+ throws PropertyException
+ {
+ PropertyValue pval;
+ if ((pval = propertySet[property]) != null)
+ return IndirectValue.adjustedPropertyValue(pval);
+ if (parent != null && PropertyConsts.inheritedProps.get(property))
+ return (propertySet[property] =
+ IndirectValue.adjustedPropertyValue
+ (parent.getPropertyValue(property)));
+ else // root
+ return (propertySet[property] =
+ IndirectValue.adjustedPropertyValue
+ (foTree.getInitialValue(property)));
+ }
+
}// FONode
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