[FOray-commit] SF.net SVN: foray:[10613] trunk/foray

[<vic...@us...>]

Revision: 10613
          http://foray.svn.sourceforge.net/foray/?rev=10613&view=rev
Author:   victormote
Date:     2008-07-18 02:12:39 +0000 (Fri, 18 Jul 2008)

Log Message:
-----------
Add some more Type 1 dictionary wrapper classes, and move more of the "get" logic to them.

Modified Paths:
--------------
    trunk/foray/foray-font/src/java/org/foray/font/format/Type1File.java
    trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionary.java
    trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontDictionary.java

Added Paths:
-----------
    trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionaryWrapper.java
    trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontInfoDictionary.java
    trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsMetricsDictionary.java
    trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsPrivateDictionary.java

Modified: trunk/foray/foray-font/src/java/org/foray/font/format/Type1File.java
===================================================================
--- trunk/foray/foray-font/src/java/org/foray/font/format/Type1File.java	2008-07-18 00:49:26 UTC (rev 10612)
+++ trunk/foray/foray-font/src/java/org/foray/font/format/Type1File.java	2008-07-18 02:12:39 UTC (rev 10613)
@@ -29,18 +29,16 @@
 package org.foray.font.format;
 
 import org.foray.common.WKConstants;
-import org.foray.ps.PsArray;
 import org.foray.ps.PsDictionary;
 import org.foray.ps.PsException;
 import org.foray.ps.PsInput;
-import org.foray.ps.PsInteger;
 import org.foray.ps.PsInterpreter;
 import org.foray.ps.PsObject;
 import org.foray.ps.filter.PSFilter;
 import org.foray.ps.type1.PsFontDictionary;
+import org.foray.ps.type1.PsFontInfoDictionary;
+import org.foray.ps.type1.PsPrivateDictionary;
 
-import org.axsl.ps.BoundingBox;
-
 import org.apache.commons.logging.Log;
 
 import java.io.IOException;
@@ -96,9 +94,6 @@
     /** The font bounding box parsed from this file. */
     private int[] fontBBox = null;
 
-    /** The stemV value parsed from this file. */
-    private int stemV = 0;
-
     /** The PostScript interpreter used to parse this file. */
     private PsInterpreter interpreter;
 
@@ -173,54 +168,6 @@
     }
 
     /**
-     * Parses and returns the font bounding box.
-     * @return The font bbox.
-     */
-    private int[] parseFontBBox() {
-        final Object object = getFontDictionary().getItem("FontBBox");
-        if (! (object instanceof PsArray)) {
-            return null;
-        }
-        final PsArray psarray = (PsArray) object;
-        if (psarray.size() != BoundingBox.BBOX_ENTRIES) {
-            return null;
-        }
-        this.fontBBox = new int[BoundingBox.BBOX_ENTRIES];
-        for (int i = 0; i < psarray.size(); i++) {
-            final Object arrayItem = psarray.get(i);
-            if (arrayItem instanceof PsInteger) {
-                final PsInteger psInteger = (PsInteger) arrayItem;
-                final int itemValue = psInteger.intValue();
-                this.fontBBox[i] = itemValue;
-            } else {
-                return null;
-            }
-        }
-        return this.fontBBox;
-    }
-
-    /**
-     * Parses and returns the StemV value from the font file.
-     * @return The StemV value.
-     */
-    private int parseStemV() {
-        final PsDictionary privateDict = getPrivateDictionary();
-        if (privateDict == null) {
-            return 0;
-        }
-        final PsObject object = privateDict.getItem("StdVW");
-        if (object == null || ! (object instanceof PsArray)) {
-            return 0;
-        }
-        final PsArray psArray = (PsArray) object;
-        final Object item = psArray.get(0);
-        if (! (item instanceof PsInteger)) {
-            return 0;
-        }
-        return ((PsInteger) item).intValue();
-    }
-
-    /**
      * Caches the FontDictionary in an instance variable for easier access.
      * @return The font dictionary for the font file.
      */
@@ -230,51 +177,17 @@
     }
 
     /**
-     * Returns the FontInfo dictionary.
-     * @return The FontInfo dictionary, or null if it does not exist.
-     */
-    private PsDictionary getFontInfoDictionary() {
-        final PsFontDictionary fontDictionary = this.getFontDictionary();
-        if (fontDictionary == null) {
-            return null;
-        }
-        final PsObject psObject = fontDictionary.getItem("FontInfo");
-        if (psObject == null) {
-            return null;
-        }
-        if (psObject instanceof PsDictionary) {
-            return (PsDictionary) psObject;
-        }
-        throw new IllegalStateException("FontInfo expected to be a PsDictionary");
-    }
-
-    /**
      * Returns the private dictionary portion of the font file.
      * @return The private dictionary portion of the font file.
      */
-    private PsDictionary getPrivateDictionary() {
-        final PsObject privateDict = getFontDictionary().getItem("Private");
-        if (privateDict == null
-                || ! (privateDict instanceof PsDictionary)) {
+    private PsPrivateDictionary getPrivateDictionary() {
+        if (this.fontDictionary == null) {
             return null;
         }
-        return (PsDictionary) privateDict;
+        return this.fontDictionary.getPrivateDictionary();
     }
 
     /**
-     * Returns the metrics dictionary portion of the font file.
-     * @return The metrics dictionary portion of the font file.
-     */
-    PsDictionary getMetricsDictionary() {
-        final PsObject metricsDict = getFontDictionary().getItem("Metrics");
-        if (metricsDict == null
-                || ! (metricsDict instanceof PsDictionary)) {
-            return null;
-        }
-        return (PsDictionary) metricsDict;
-    }
-
-    /**
      * Returns the full length of the raw font file.
      * @return int the raw file length
      */
@@ -411,7 +324,7 @@
     public int[] getFontBBox() {
         if (this.fontBBox == null) {
             parseDetail();
-            this.fontBBox = parseFontBBox();
+            this.fontBBox = getFontDictionary().getFontBBox();
             if (this.fontBBox == null) {
                 this.getLogger().error("Unable to parse Font BBox:\n"
                         + "  " + this.getReader().getDescription().toString());
@@ -425,15 +338,11 @@
      * @return The stemV value.
      */
     public int getStemV() {
-        if (this.stemV == 0) {
-            parseDetail();
-            this.stemV = parseStemV();
-            if (this.stemV == 0) {
-                this.getLogger().error("Unable to parse StemV:\n"
-                        + "  " + this.getReader().getDescription().toString());
-            }
+        final PsPrivateDictionary privateDict = this.getPrivateDictionary();
+        if (privateDict == null) {
+            return 0;
         }
-        return this.stemV;
+        return privateDict.getStdVW().intValue();
     }
 
     /**
@@ -472,8 +381,7 @@
         if (this.fontDictionary == null) {
             return null;
         }
-        final PsObject psObject = this.fontDictionary.getItem("FontName");
-        return psObject.toString();
+        return this.fontDictionary.getFontName();
     }
 
     /**
@@ -481,12 +389,11 @@
      * @return The PostScript name of this font.
      */
     public String getFamilyName() {
-        final PsDictionary fontInfo = this.getFontInfoDictionary();
+        final PsFontInfoDictionary fontInfo = getFontDictionary().getFontInfoDictionary();
         if (fontInfo == null) {
             return null;
         }
-        final PsObject psObject = this.fontDictionary.getItem("FamilyName");
-        return psObject.toString();
+        return fontInfo.getFamilyName();
     }
 
     /**

Modified: trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionary.java
===================================================================
--- trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionary.java	2008-07-18 00:49:26 UTC (rev 10612)
+++ trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionary.java	2008-07-18 02:12:39 UTC (rev 10613)
@@ -28,8 +28,7 @@
 
 package org.foray.ps;
 
-import org.foray.common.StringUtil;
-
+import java.math.BigDecimal;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -257,7 +256,7 @@
         final PsObject object = this.getItem(key);
         if (object == null
                 || ! (object instanceof PsString)) {
-            return StringUtil.EMPTY_STRING;
+            return null;
         }
         final PsString string = (PsString) object;
         return string.getValue();
@@ -273,10 +272,42 @@
         final PsObject object = this.getItem(key);
         if (object == null
                 || ! (object instanceof PsName)) {
-            return StringUtil.EMPTY_STRING;
+            return null;
         }
         final PsName string = (PsName) object;
         return string.getValue();
     }
 
+    /**
+     * Returns a value expected to be a Number from this dictionary.
+     * @param key The key to the expected Number value.
+     * @return The value for <code>key</code>, if it is found and is a {@link PsNumber}, or null
+     * otherwise.
+     */
+    public BigDecimal getNumber(final String key) {
+        final PsObject object = this.getItem(key);
+        if (object == null
+                || ! (object instanceof PsNumber)) {
+            return null;
+        }
+        final PsNumber number = (PsNumber) object;
+        return number.getValue();
+    }
+
+    /**
+     * Returns a value expected to be a Boolean from this dictionary.
+     * @param key The key to the expected Boolean value.
+     * @return The value for <code>key</code>, if it is found and is a {@link PsBoolean}, or null
+     * otherwise.
+     */
+    public Boolean getBoolean(final String key) {
+        final PsObject object = this.getItem(key);
+        if (object == null
+                || ! (object instanceof PsBoolean)) {
+            return null;
+        }
+        final PsBoolean theBoolean = (PsBoolean) object;
+        return theBoolean.getValue();
+    }
+
 }

Added: trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionaryWrapper.java
===================================================================
--- trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionaryWrapper.java	                        (rev 0)
+++ trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionaryWrapper.java	2008-07-18 02:12:39 UTC (rev 10613)
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2008 The FOray Project.
+ *      http://www.foray.org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This work is in part derived from the following work(s), used with the
+ * permission of the licensor:
+ *      Apache FOP, licensed by the Apache Software Foundation
+ *
+ */
+
+/*
+ * $LastChangedRevision$
+ * $LastChangedDate$
+ * $LastChangedBy$
+ */
+
+package org.foray.ps;
+
+/**
+ * Abstract superclass for classes that wrap {@link PsDictionary} and provide specialized methods.
+ */
+public abstract class PsDictionaryWrapper {
+
+    /** The wrapped dictionary instance. */
+    private PsDictionary wrappedDictionary;
+
+    /**
+     * Constructor.
+     * @param dictionary The wrapped dictionary instance.
+     */
+    public PsDictionaryWrapper(final PsDictionary dictionary) {
+        if (dictionary == null) {
+            throw new NullPointerException("Wrapped dictionary cannot be null.");
+        }
+        this.wrappedDictionary = dictionary;
+    }
+
+    /**
+     * Returns the wrapped dictionary.
+     * @return The wrapped dictionary instance.
+     */
+    public PsDictionary getWrappedDictionary() {
+        return this.wrappedDictionary;
+    }
+
+}


Property changes on: trunk/foray/foray-ps/src/java/org/foray/ps/PsDictionaryWrapper.java
___________________________________________________________________
Added: svn:keywords
   + "Author Id Rev Date URL"
Added: svn:eol-style
   + native

Modified: trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontDictionary.java
===================================================================
--- trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontDictionary.java	2008-07-18 00:49:26 UTC (rev 10612)
+++ trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontDictionary.java	2008-07-18 02:12:39 UTC (rev 10613)
@@ -28,44 +28,106 @@
 
 package org.foray.ps.type1;
 
+import org.foray.ps.PsArray;
 import org.foray.ps.PsDictionary;
+import org.foray.ps.PsDictionaryWrapper;
+import org.foray.ps.PsInteger;
 import org.foray.ps.PsObject;
 
+import org.axsl.ps.BoundingBox;
+
 /**
  * Wrapper around a {@link PsDictionary} instance providing some convenience methods for Type 1
  * fonts.
  */
-public class PsFontDictionary {
+public class PsFontDictionary extends PsDictionaryWrapper {
 
-    /** The wrapped dictionary instance. */
-    private PsDictionary wrappedDictionary;
-
     /**
      * Constructor.
      * @param dictionary The wrapped dictionary instance.
      */
     public PsFontDictionary(final PsDictionary dictionary) {
-        if (dictionary == null) {
-            throw new NullPointerException("Wrapped dictionary cannot be null.");
+        super(dictionary);
+    }
+
+    /**
+     * Returns the /FontName for this font dictionary.
+     * @return The /FontName.
+     */
+    public String getFontName() {
+        return this.getWrappedDictionary().getName("FontName");
+    }
+
+    /**
+     * Parses and returns the font bounding box.
+     * @return The font bbox.
+     */
+    public int[] getFontBBox() {
+        final Object object = this.getWrappedDictionary().getItem("FontBBox");
+        if (! (object instanceof PsArray)) {
+            return null;
         }
-        this.wrappedDictionary = dictionary;
+        final PsArray psarray = (PsArray) object;
+        if (psarray.size() != BoundingBox.BBOX_ENTRIES) {
+            return null;
+        }
+        final int[] fontBBox = new int[BoundingBox.BBOX_ENTRIES];
+        for (int i = 0; i < psarray.size(); i++) {
+            final Object arrayItem = psarray.get(i);
+            if (arrayItem instanceof PsInteger) {
+                final PsInteger psInteger = (PsInteger) arrayItem;
+                final int itemValue = psInteger.intValue();
+                fontBBox[i] = itemValue;
+            } else {
+                return null;
+            }
+        }
+        return fontBBox;
     }
 
     /**
-     * Return the value for a given key from the wrapped dictionary.
-     * @param key The key whose value should be retrieved.
-     * @return The value.
+     * Returns the FontInfo dictionary.
+     * @return The FontInfo dictionary, or null if it does not exist.
      */
-    public PsObject getItem(final String key) {
-        return this.wrappedDictionary.getItem(key);
+    public PsFontInfoDictionary getFontInfoDictionary() {
+        final PsObject psObject = getWrappedDictionary().getItem("FontInfo");
+        if (psObject == null) {
+            return null;
+        }
+        if (psObject instanceof PsDictionary) {
+            return new PsFontInfoDictionary((PsDictionary) psObject);
+        }
+        throw new IllegalStateException("/FontInfo expected to be a PsDictionary");
     }
 
     /**
-     * Returns the /FontName for this font dictionary.
-     * @return The /FontName.
+     * Returns the Private dictionary.
+     * @return The Private dictionary, or null if it does not exist.
      */
-    public String getFontName() {
-        return this.wrappedDictionary.getName("FontName");
+    public PsPrivateDictionary getPrivateDictionary() {
+        final PsObject psObject = getWrappedDictionary().getItem("Private");
+        if (psObject == null) {
+            return null;
+        }
+        if (psObject instanceof PsDictionary) {
+            return new PsPrivateDictionary((PsDictionary) psObject);
+        }
+        throw new IllegalStateException("/Private expected to be a PsDictionary");
     }
 
+    /**
+     * Returns the Metrics dictionary.
+     * @return The Metrics dictionary, or null if it does not exist.
+     */
+    public PsMetricsDictionary getMetricsDictionary() {
+        final PsObject psObject = getWrappedDictionary().getItem("Metrics");
+        if (psObject == null) {
+            return null;
+        }
+        if (psObject instanceof PsDictionary) {
+            return new PsMetricsDictionary((PsDictionary) psObject);
+        }
+        throw new IllegalStateException("/Metrics expected to be a PsDictionary");
+    }
+
 }

Added: trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontInfoDictionary.java
===================================================================
--- trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontInfoDictionary.java	                        (rev 0)
+++ trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontInfoDictionary.java	2008-07-18 02:12:39 UTC (rev 10613)
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2008 The FOray Project.
+ *      http://www.foray.org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This work is in part derived from the following work(s), used with the
+ * permission of the licensor:
+ *      Apache FOP, licensed by the Apache Software Foundation
+ *
+ */
+
+/*
+ * $LastChangedRevision$
+ * $LastChangedDate$
+ * $LastChangedBy$
+ */
+
+package org.foray.ps.type1;
+
+import org.foray.ps.PsDictionary;
+import org.foray.ps.PsDictionaryWrapper;
+
+import java.math.BigDecimal;
+
+/**
+ * Wrapper around a {@link PsDictionary} instance providing some convenience methods for Type 1
+ * fonts.
+ */
+public class PsFontInfoDictionary extends PsDictionaryWrapper {
+
+    /** Key to the "version" entry. */
+    public static final String VERSION_KEY = "version";
+
+    /** Key to the "Notice" entry. */
+    public static final String NOTICE_KEY = "Notice";
+
+    /** Key to the "FullName" entry. */
+    public static final String FULL_NAME_KEY = "FullName";
+
+    /** Key to the "FamilyName" entry. */
+    public static final String FAMILY_NAME_KEY = "FamilyName";
+
+    /** Key to the "Weight" entry. */
+    public static final String WEIGHT_KEY = "Weight";
+
+    /** Key to the "ItalicAngle" entry. */
+    public static final String ITALIC_ANGLE_KEY = "ItalicAngle";
+
+    /** Key to the "isFixedPitch" entry. */
+    public static final String IS_FIXED_PITCH_KEY = "isFixedPitch";
+
+    /** Key to the "UnderlinePosition" entry. */
+    public static final String UNDERLINE_POSITION_KEY = "UnderlinePosition";
+
+    /** Key to the "UnderlineThickness" entry. */
+    public static final String UNDERLINE_THICKNESS_KEY = "UnderlineThickness";
+
+    /**
+     * Constructor.
+     * @param dictionary The wrapped dictionary instance.
+     */
+    public PsFontInfoDictionary(final PsDictionary dictionary) {
+        super(dictionary);
+    }
+
+    /**
+     * Returns the /version for this font dictionary.
+     * @return The /version.
+     */
+    public String getVersion() {
+        return this.getWrappedDictionary().getString(PsFontInfoDictionary.VERSION_KEY);
+    }
+
+    /**
+     * Returns the /Notice for this font dictionary.
+     * @return The /Notice.
+     */
+    public String getNotice() {
+        return this.getWrappedDictionary().getString(PsFontInfoDictionary.NOTICE_KEY);
+    }
+
+    /**
+     * Returns the /FullName for this font dictionary.
+     * @return The /FullName.
+     */
+    public String getFullName() {
+        return this.getWrappedDictionary().getString(PsFontInfoDictionary.FULL_NAME_KEY);
+    }
+
+    /**
+     * Returns the /FamilyName for this font dictionary.
+     * @return The /FamilyName.
+     */
+    public String getFamilyName() {
+        return this.getWrappedDictionary().getString(PsFontInfoDictionary.FAMILY_NAME_KEY);
+    }
+
+    /**
+     * Returns the /Weight for this font dictionary.
+     * @return The /Weight.
+     */
+    public String getWeight() {
+        return this.getWrappedDictionary().getString(PsFontInfoDictionary.WEIGHT_KEY);
+    }
+
+    /**
+     * Returns the /ItalicAngle for this font dictionary.
+     * @return The /ItalicAngle.
+     */
+    public BigDecimal getItalicAngle() {
+        return this.getWrappedDictionary().getNumber(PsFontInfoDictionary.ITALIC_ANGLE_KEY);
+    }
+
+    /**
+     * Returns the /isFixedPitch for this font dictionary.
+     * @return The /isFixedPitch.
+     */
+    public boolean isFixedPitch() {
+        return this.getWrappedDictionary().getBoolean(PsFontInfoDictionary.IS_FIXED_PITCH_KEY);
+    }
+
+    /**
+     * Returns the /UnderlinePosition for this font dictionary.
+     * @return The /UnderlinePosition.
+     */
+    public BigDecimal getUnderlinePosition() {
+        return this.getWrappedDictionary().getNumber(PsFontInfoDictionary.UNDERLINE_POSITION_KEY);
+    }
+
+    /**
+     * Returns the /UnderlineThickness for this font dictionary.
+     * @return The /UnderlineThickness.
+     */
+    public BigDecimal getUnderlineThickness() {
+        return this.getWrappedDictionary().getNumber(PsFontInfoDictionary.UNDERLINE_THICKNESS_KEY);
+    }
+
+}


Property changes on: trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsFontInfoDictionary.java
___________________________________________________________________
Added: svn:keywords
   + "Author Id Rev Date URL"
Added: svn:eol-style
   + native

Added: trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsMetricsDictionary.java
===================================================================
--- trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsMetricsDictionary.java	                        (rev 0)
+++ trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsMetricsDictionary.java	2008-07-18 02:12:39 UTC (rev 10613)
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2008 The FOray Project.
+ *      http://www.foray.org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This work is in part derived from the following work(s), used with the
+ * permission of the licensor:
+ *      Apache FOP, licensed by the Apache Software Foundation
+ *
+ */
+
+/*
+ * $LastChangedRevision$
+ * $LastChangedDate$
+ * $LastChangedBy$
+ */
+
+package org.foray.ps.type1;
+
+import org.foray.ps.PsDictionary;
+import org.foray.ps.PsDictionaryWrapper;
+
+public class PsMetricsDictionary extends PsDictionaryWrapper {
+
+    /**
+     * Constructor.
+     * @param dictionary The wrapped dictionary instance.
+     */
+    public PsMetricsDictionary(final PsDictionary dictionary) {
+        super(dictionary);
+    }
+
+}


Property changes on: trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsMetricsDictionary.java
___________________________________________________________________
Added: svn:keywords
   + "Author Id Rev Date URL"
Added: svn:eol-style
   + native

Added: trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsPrivateDictionary.java
===================================================================
--- trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsPrivateDictionary.java	                        (rev 0)
+++ trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsPrivateDictionary.java	2008-07-18 02:12:39 UTC (rev 10613)
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2008 The FOray Project.
+ *      http://www.foray.org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This work is in part derived from the following work(s), used with the
+ * permission of the licensor:
+ *      Apache FOP, licensed by the Apache Software Foundation
+ *
+ */
+
+/*
+ * $LastChangedRevision$
+ * $LastChangedDate$
+ * $LastChangedBy$
+ */
+
+package org.foray.ps.type1;
+
+import org.foray.ps.PsArray;
+import org.foray.ps.PsDictionary;
+import org.foray.ps.PsDictionaryWrapper;
+import org.foray.ps.PsNumber;
+import org.foray.ps.PsObject;
+
+import java.math.BigDecimal;
+
+public class PsPrivateDictionary extends PsDictionaryWrapper {
+
+    /** Key to the "StdVW" entry. */
+    public static final String STD_VW_KEY = "StdVW";
+
+    /**
+     * Constructor.
+     * @param dictionary The wrapped dictionary instance.
+     */
+    public PsPrivateDictionary(final PsDictionary dictionary) {
+        super(dictionary);
+    }
+
+    /**
+     * Returns the StdVW value from the font file.
+     * @return The StdVW value, or null if it does not exist.
+     */
+    public BigDecimal getStdVW() {
+        final PsObject object = getWrappedDictionary().getItem(PsPrivateDictionary.STD_VW_KEY);
+        if (object == null || ! (object instanceof PsArray)) {
+            return null;
+        }
+        final PsArray psArray = (PsArray) object;
+        final Object item = psArray.get(0);
+        if (! (item instanceof PsNumber)) {
+            throw new IllegalStateException("/StdVW expected to be a PsNumber");
+        }
+        return ((PsNumber) item).getValue();
+    }
+
+}


Property changes on: trunk/foray/foray-ps/src/java/org/foray/ps/type1/PsPrivateDictionary.java
___________________________________________________________________
Added: svn:keywords
   + "Author Id Rev Date URL"
Added: svn:eol-style
   + native


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