+const std::string FONT_PREFIX("font-");
+const unsigned int FONT_PREFIX_LENGTH = 5u;
+const unsigned int MIN_FONT_ATTRIBUTE_SIZE = 4u; ///< The minimum length of any of the possible 'weight', 'width' , 'slant' or 'size' values.
+const unsigned int MAX_FONT_ATTRIBUTE_SIZE = 15u; ///< The maximum length of any of the possible 'weight', 'width' or 'slant' values.
+const float PIXEL_FORMAT_64_FACTOR = 64.f; ///< 64.f is used to convert from point size to 26.6 pixel format.
+} // namespace
+
+void processFontAttributeValue(char value[], const Attribute& attribute)
+{
+ // The StringToWeight() uses the Scripting::GetEnumeration() function which requires the input string to end with a '\0' char.
+ const Length length = attribute.valueLength > MAX_FONT_ATTRIBUTE_SIZE ? MAX_FONT_ATTRIBUTE_SIZE : attribute.valueLength;
+ memcpy(value, attribute.valueBuffer, length);
+ value[length] = 0;
+}
+
+void ProcessFontFamily(const Attribute& attribute, FontDescriptionRun& fontRun)
+{
+ fontRun.familyDefined = true;
+ fontRun.familyLength = attribute.valueLength;
+ fontRun.familyName = new char[fontRun.familyLength];
+ memcpy(fontRun.familyName, attribute.valueBuffer, fontRun.familyLength);
+ // The memory is freed when the font run is removed from the logical model.
+}
+
+void ProcessFontSize(const Attribute& attribute, FontDescriptionRun& fontRun)
+{
+ // 64.f is used to convert from point size to 26.6 pixel format.
+ fontRun.size = static_cast<PointSize26Dot6>(ProcessFloatAttribute(attribute) * PIXEL_FORMAT_64_FACTOR);
+ fontRun.sizeDefined = true;