Reduce font size for superscript and subscript.

Author: SergioEstevao

Aztec/Classes/Converters/StringAttributesToAttributes/Implementations/SubscriptStringAttributeConverter.swift

@@ -42,7 +42,7 @@ open class SubscriptStringAttributeConverter: StringAttributeConverter {
                 return false
         }
 
-        return baselineOffset.intValue < 0;
+        return baselineOffset.intValue <= -4;
     }
 }
 

Aztec/Classes/Converters/StringAttributesToAttributes/Implementations/SuperscriptStringAttributeConverter.swift

@@ -42,7 +42,7 @@ open class SuperscriptStringAttributeConverter: StringAttributeConverter {
                 return false
         }
 
-        return baselineOffset.intValue > 0;
+        return baselineOffset.intValue >= 4;
     }
 }
 

Aztec/Classes/Formatters/Implementations/SubscriptFormatter.swift

@@ -7,4 +7,26 @@ class SubscriptFormatter: StandardAttributeFormatter {
                    attributeValue: NSNumber(-4),
                    htmlRepresentationKey: .subHtmlRepresentation)
     }
+
+    override func apply(to attributes: [NSAttributedString.Key: Any], andStore representation: HTMLRepresentation?) -> [NSAttributedString.Key: Any] {
+        var resultingAttributes = super.apply(to: attributes, andStore: representation)
+        guard let currentFont = attributes[.font] as? UIFont else {
+            return resultingAttributes
+        }
+        let font = UIFont(descriptor: currentFont.fontDescriptor, size: currentFont.pointSize - 2)
+        resultingAttributes[.font] = font
+        return resultingAttributes
+    }
+
+    override func remove(from attributes: [NSAttributedString.Key: Any]) -> [NSAttributedString.Key: Any] {
+        var resultingAttributes = super.remove(from: attributes)
+
+        guard let currentFont = attributes[.font] as? UIFont else {
+            return resultingAttributes
+        }
+        let font = UIFont(descriptor: currentFont.fontDescriptor, size: currentFont.pointSize + 2)
+        resultingAttributes[.font] = font
+
+        return resultingAttributes
+    }
 }

Aztec/Classes/Formatters/Implementations/SuperscriptFormatter.swift

@@ -7,4 +7,26 @@ class SuperscriptFormatter: StandardAttributeFormatter {
                    attributeValue: NSNumber(4),
                    htmlRepresentationKey: .supHtmlRepresentation)
     }
+
+    override func apply(to attributes: [NSAttributedString.Key: Any], andStore representation: HTMLRepresentation?) -> [NSAttributedString.Key: Any] {
+        var resultingAttributes = super.apply(to: attributes, andStore: representation)
+        guard let currentFont = attributes[.font] as? UIFont else {
+            return resultingAttributes
+        }
+        let font = UIFont(descriptor: currentFont.fontDescriptor, size: currentFont.pointSize - 2)
+        resultingAttributes[.font] = font
+        return resultingAttributes
+    }
+
+    override func remove(from attributes: [NSAttributedString.Key: Any]) -> [NSAttributedString.Key: Any] {
+        var resultingAttributes = super.remove(from: attributes)
+
+        guard let currentFont = attributes[.font] as? UIFont else {
+            return resultingAttributes
+        }
+        let font = UIFont(descriptor: currentFont.fontDescriptor, size: currentFont.pointSize + 2)
+        resultingAttributes[.font] = font
+
+        return resultingAttributes
+    }
 }