Add locational frame size getters

get.go

@@ -386,6 +386,30 @@ func (s Style) GetStrikethroughSpaces() bool {
 	return s.getAsBool(strikethroughSpacesKey, false)
 }
 
+// GetTopFrameSize returns the sum of the style's top margins, padding
+// and border widths.
+func (s Style) GetTopFrameSize() int {
+	return s.GetMarginTop() + s.GetPaddingTop() + s.GetBorderTopSize()
+}
+
+// GetRightFrameSize returns the sum of the style's right margins, padding
+// and border widths.
+func (s Style) GetRightFrameSize() int {
+	return s.GetMarginRight() + s.GetPaddingRight() + s.GetBorderRightSize()
+}
+
+// GetBottomFrameSize returns the sum of the style's bottom margins, padding
+// and border widths.
+func (s Style) GetBottomFrameSize() int {
+	return s.GetMarginBottom() + s.GetPaddingBottom() + s.GetBorderBottomSize()
+}
+
+// GetLeftFrameSize returns the sum of the style's left margins, padding
+// and border widths.
+func (s Style) GetLeftFrameSize() int {
+	return s.GetMarginLeft() + s.GetPaddingLeft() + s.GetBorderLeftSize()
+}
+
 // GetHorizontalFrameSize returns the sum of the style's horizontal margins, padding
 // and border widths.
 //