[FLEX-14541] Mx.Effects.Resize - Resize to Negative Values Renders odd graphics

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Later
• Affects Version/s: Adobe Flex SDK Previous
• Fix Version/s: Adobe Flex SDK 4.0 (Release)
• Component/s: mx: Button
• Environment: Affected OS(s): All OS Platforms; Affected OS(s): All OS Platforms; Browser: Internet Explorer 7.x; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 14/Apr/08 09:07
• Updated: 15/Apr/11 15:36
• Resolved: 27/Jan/12 07:14

Description

This is actually more of a Mx.Controls.Datagrid bug, but it is agitated via the resize effect.

Steps to reproduce:
1. Create a button and a Resize effect.
2. Set the resize effect widthBy and heightBy to values greater than the width and height of the button (so the button will resize to < 0).
3. Play the effect.

Actual Results:
The button should resize until nothing remains.

Expected Results:
The button inverts past (0,0) and begins to draw some wacky graphics (which look like growing pieces of a button mask).

THE FIX:
The Resize effect should not play beyond 0,0. Modify the calculateExplicitDimensionChanges() method in ResizeInstance.as to set (width = 0), and/or (height = 0) when the resize would grow < 0.