[FLEX-14273] Button shouldn't call measureText() so many times

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Later
• Affects Version/s: Adobe Flex SDK 3.0 (Release)
• Component/s: mx: Button
• Environment: Affected OS(s): Windows; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 11/Mar/08 16:05
• Updated: 23/Feb/10 15:37
• Resolved: 14/Mar/08 14:49

Description

Button calls measureText() in layoutContents() and in measure(). We should cache this result instead of calling it so many times (measureText() is expensive). We should invalidate this cache when label is changed or when a font-affecting style is changed.