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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2018/02/15 21:49:30 UTC

svn commit: r1824374 - in /pdfbox/branches/2.0: fontbox/src/main/java/org/apache/fontbox/ttf/ pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/

Author: tilman
Date: Thu Feb 15 21:49:30 2018
New Revision: 1824374

URL: http://svn.apache.org/viewvc?rev=1824374&view=rev
Log:
PDFBOX-4106: Add factory methods for loading TTF as vertical font with vrt2/vert tables, by Aaron Madlon-Kay

Modified:
    pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/TrueTypeFont.java
    pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDCIDFontType2Embedder.java
    pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDType0Font.java

Modified: pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/TrueTypeFont.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/TrueTypeFont.java?rev=1824374&r1=1824373&r2=1824374&view=diff
==============================================================================
--- pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/TrueTypeFont.java (original)
+++ pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/TrueTypeFont.java Thu Feb 15 21:49:30 2018
@@ -724,6 +724,15 @@ public class TrueTypeFont implements Fon
         enabledGsubFeatures.remove(featureTag);
     }
 
+    /**
+     * Enable glyph substitutions for vertical writing.
+     */
+    public void enableVerticalSubstitutions()
+    {
+        enableGsubFeature("vrt2");
+        enableGsubFeature("vert");
+    }
+
     @Override
     public String toString()
     {

Modified: pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDCIDFontType2Embedder.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDCIDFontType2Embedder.java?rev=1824374&r1=1824373&r2=1824374&view=diff
==============================================================================
--- pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDCIDFontType2Embedder.java (original)
+++ pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDCIDFontType2Embedder.java Thu Feb 15 21:49:30 2018
@@ -60,7 +60,7 @@ final class PDCIDFontType2Embedder exten
      * @throws IOException if the TTF could not be read
      */
     PDCIDFontType2Embedder(PDDocument document, COSDictionary dict, TrueTypeFont ttf,
-                           boolean embedSubset, PDType0Font parent) throws IOException
+            boolean embedSubset, PDType0Font parent, boolean vertical) throws IOException
     {
         super(document, dict, ttf, embedSubset);
         this.document = document;
@@ -70,7 +70,7 @@ final class PDCIDFontType2Embedder exten
         // parent Type 0 font
         dict.setItem(COSName.SUBTYPE, COSName.TYPE0);
         dict.setName(COSName.BASE_FONT, fontDescriptor.getFontName());
-        dict.setItem(COSName.ENCODING, COSName.IDENTITY_H); // CID = GID
+        dict.setItem(COSName.ENCODING, vertical ? COSName.IDENTITY_V : COSName.IDENTITY_H); // CID = GID
 
         // descendant CIDFont
         cidFont = createCIDFont();

Modified: pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDType0Font.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDType0Font.java?rev=1824374&r1=1824373&r2=1824374&view=diff
==============================================================================
--- pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDType0Font.java (original)
+++ pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDType0Font.java Thu Feb 15 21:49:30 2018
@@ -63,7 +63,7 @@ public class PDType0Font extends PDFont
     */
     public static PDType0Font load(PDDocument doc, File file) throws IOException
     {
-        return new PDType0Font(doc, new TTFParser().parse(file), true, true);
+        return new PDType0Font(doc, new TTFParser().parse(file), true, true, false);
     }
 
     /**
@@ -76,7 +76,7 @@ public class PDType0Font extends PDFont
     */
     public static PDType0Font load(PDDocument doc, InputStream input) throws IOException
     {
-        return new PDType0Font(doc, new TTFParser().parse(input), true, true);
+        return new PDType0Font(doc, new TTFParser().parse(input), true, true, false);
     }
 
     /**
@@ -91,7 +91,7 @@ public class PDType0Font extends PDFont
     public static PDType0Font load(PDDocument doc, InputStream input, boolean embedSubset)
             throws IOException
     {
-        return new PDType0Font(doc, new TTFParser().parse(input), embedSubset, true);
+        return new PDType0Font(doc, new TTFParser().parse(input), embedSubset, true, false);
     }
 
     /**
@@ -106,10 +106,66 @@ public class PDType0Font extends PDFont
     public static PDType0Font load(PDDocument doc, TrueTypeFont ttf, boolean embedSubset)
             throws IOException
     {
-        return new PDType0Font(doc, ttf, embedSubset, false);
+        return new PDType0Font(doc, ttf, embedSubset, false, false);
     }
 
     /**
+     * Loads a TTF to be embedded into a document as a vertical Type 0 font.
+     *
+     * @param doc The PDF document that will hold the embedded font.
+     * @param file A TrueType font.
+     * @return A Type0 font with a CIDFontType2 descendant.
+     * @throws IOException If there is an error reading the font file.
+     */
+    public static PDType0Font loadVertical(PDDocument doc, File file) throws IOException
+    {
+        return new PDType0Font(doc, new TTFParser().parse(file), true, true, true);
+    }
+
+    /**
+     * Loads a TTF to be embedded into a document as a vertical Type 0 font.
+     *
+     * @param doc The PDF document that will hold the embedded font.
+     * @param input A TrueType font.
+     * @return A Type0 font with a CIDFontType2 descendant.
+     * @throws IOException If there is an error reading the font stream.
+     */
+    public static PDType0Font loadVertical(PDDocument doc, InputStream input) throws IOException
+    {
+        return new PDType0Font(doc, new TTFParser().parse(input), true, true, true);
+    }
+
+    /**
+     * Loads a TTF to be embedded into a document as a vertical Type 0 font.
+     *
+     * @param doc The PDF document that will hold the embedded font.
+     * @param input A TrueType font.
+     * @param embedSubset True if the font will be subset before embedding
+     * @return A Type0 font with a CIDFontType2 descendant.
+     * @throws IOException If there is an error reading the font stream.
+     */
+    public static PDType0Font loadVertical(PDDocument doc, InputStream input, boolean embedSubset)
+            throws IOException
+    {
+        return new PDType0Font(doc, new TTFParser().parse(input), embedSubset, true, true);
+    }
+
+    /**
+     * Loads a TTF to be embedded into a document as a vertical Type 0 font.
+     *
+     * @param doc The PDF document that will hold the embedded font.
+     * @param ttf A TrueType font.
+     * @param embedSubset True if the font will be subset before embedding
+     * @return A Type0 font with a CIDFontType2 descendant.
+     * @throws IOException If there is an error reading the font stream.
+     */
+    public static PDType0Font loadVertical(PDDocument doc, TrueTypeFont ttf, boolean embedSubset)
+            throws IOException
+    {
+        return new PDType0Font(doc, ttf, embedSubset, false, true);
+    }
+    
+    /**
      * Constructor for reading a Type0 font from a PDF file.
      * 
      * @param fontDictionary The font dictionary according to the PDF specification.
@@ -138,14 +194,14 @@ public class PDType0Font extends PDFont
         fetchCMapUCS2();
     }
 
-    /**
-    * Private. Creates a new TrueType font for embedding.
-    */
     private PDType0Font(PDDocument document, TrueTypeFont ttf, boolean embedSubset,
-            boolean closeOnSubset)
-            throws IOException
+            boolean closeOnSubset, boolean vertical) throws IOException
     {
-        embedder = new PDCIDFontType2Embedder(document, dict, ttf, embedSubset, this);
+        if (vertical)
+        {
+            ttf.enableVerticalSubstitutions();
+        }
+        embedder = new PDCIDFontType2Embedder(document, dict, ttf, embedSubset, this, vertical);
         descendantFont = embedder.getCIDFont();
         readEncoding();
         fetchCMapUCS2();