Fix: HeadTable's unitPerEm is uint16 not int16, hence use int type and read accordingly.

2 files changed, 4 insertions, 4 deletions

diff --git a/src/main/java/net/java/dev/typecast/exchange/SVGExporter.java b/src/main/java/net/java/dev/typecast/exchange/SVGExporter.java
index 1a8fbc3..fcaca25 100644
--- a/src/main/java/net/java/dev/typecast/exchange/SVGExporter.java
+++ b/src/main/java/net/java/dev/typecast/exchange/SVGExporter.java
@@ -199,7 +199,7 @@ public class SVGExporter
     private static String getSVGFontFaceElement(OTFont font) {
         StringBuilder sb = new StringBuilder();
         String fontFamily = font.getNameTable().getRecordString(ID.nameFontFamilyName);
-        short unitsPerEm = font.getHeadTable().getUnitsPerEm();
+        int unitsPerEm = font.getHeadTable().getUnitsPerEm();
         String panose = font.getOS2Table().getPanose().toString();
         short ascent = font.getHheaTable().getAscender();
         short descent = font.getHheaTable().getDescender();
diff --git a/src/main/java/net/java/dev/typecast/ot/table/HeadTable.java b/src/main/java/net/java/dev/typecast/ot/table/HeadTable.java
index 88e3ba6..3269a6e 100644
--- a/src/main/java/net/java/dev/typecast/ot/table/HeadTable.java
+++ b/src/main/java/net/java/dev/typecast/ot/table/HeadTable.java
@@ -60,12 +60,12 @@ import net.java.dev.typecast.ot.Fixed;
  */
 public class HeadTable implements Table {
 
-    private short _unitsPerEm;
     private final int _versionNumber;
     private final int _fontRevision;
     private final int _checkSumAdjustment;
     private final int _magicNumber;
     private final short _flags;
+    private final int _unitsPerEm;
     private final long _created;
     private final long _modified;
     private final short _xMin;
@@ -84,7 +84,7 @@ public class HeadTable implements Table {
         _checkSumAdjustment = di.readInt();
         _magicNumber = di.readInt();
         _flags = di.readShort();
-        _unitsPerEm = di.readShort();
+        _unitsPerEm = di.readUnsignedShort();
         _created = di.readLong();
         _modified = di.readLong();
         _xMin = di.readShort();
@@ -142,7 +142,7 @@ public class HeadTable implements Table {
         return head;
     }
 
-    public short getUnitsPerEm() {
+    public int getUnitsPerEm() {
         return _unitsPerEm;
     }