Support weight, ascent and descent calculation for Type1FontProgram

veraPDF · Aug 29, 2024 · b965f37 · b965f37
1 parent ed13a0b
commit b965f37
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diff --git a/src/main/java/org/verapdf/pd/font/type1/Type1FontProgram.java b/src/main/java/org/verapdf/pd/font/type1/Type1FontProgram.java
@@ -339,16 +339,31 @@ public ASFileStreamCloser getFontProgramResource() {
 
     @Override
     public String getWeight() {
+        COSObject weight = this.getObjectFromUserDict(ASAtom.getASAtom(
+                Type1StringConstants.WEIGHT));
+        if (weight.getType() == COSObjType.COS_STRING) {
+            return weight.getString();
+        }
         return null;
     }
 
     @Override
     public Double getAscent() {
+        COSObject ascent = this.getObjectFromUserDict(ASAtom.getASAtom(
+                Type1StringConstants.ASCENT));
+        if (ascent.getType().isNumber()) {
+            return ascent.getReal();
+        }
         return null;
     }
 
     @Override
     public Double getDescent() {
+        COSObject descent = this.getObjectFromUserDict(ASAtom.getASAtom(
+                Type1StringConstants.DESCENT));
+        if (descent.getType().isNumber()) {
+            return descent.getReal();
+        }
         return null;
     }
 

diff --git a/src/main/java/org/verapdf/pd/font/type1/Type1StringConstants.java b/src/main/java/org/verapdf/pd/font/type1/Type1StringConstants.java
@@ -39,4 +39,7 @@ public class Type1StringConstants {
     static final String SUBRS = "Subrs";
     static final String STANDARD_ENCODING_STRING = "StandardEncoding";
     static final String NOACCESS = "noaccess";
+    static final String WEIGHT = "Weight";
+    static final String ASCENT = "Ascent";
+    static final String DESCENT = "Descent";
 }