<Swing Dev> [13] RFR JDK-8213535:Windows HiDPI html lightweight tooltips are truncated

[Sergey Bylokhov]

On 4/2/20 8:59 pm, Prasanta Sadhukhan wrote:

>> If we GC is correct in reset/pack step, but the View calculate wrong size(and update it only after "graphicsConfiguration" property change) means that we calculate the size of the View using wrong GC, why?
> 
> It's not the size of View, it's the preferredSize that is wrong. This is because tip's GC is null before the tip is shown, so View's span is calculated accordingly. Only when View isupdated when "graphicsConfiguration" is fired, then Tooltip GC is updated and preferredSpan is calculated correctly.
> 
> It's to be remembered that the issue happens only when html text is shown in ToolTip. If normal text is shown , there is no issue. I guess if it's a question of wrong GC during popup reset/pack, then it will cause problem during normal text rendering also, no?

If GC of the tip is null before showing then can we use default screen GC by default? Same as in the java.awt.Window.initGC().


-- 
Best regards, Sergey.