Unfortunately, the posted code doesn't work as expected: the text labels 
randomly have colored background. I'm looking for a reason.

08.06.2019, 14:04, "Alexander Ilin" <ajs...@yandex.ru>:
> Hello, Norio, and thank you for the benchmark code!
>
>   I was able to use it, and here are results from my tests. I took the 
> typical output values.
>
>   Your code from commit a16eb2f6:
>   Opaque background: 146 ms
>   Transparent background: 1083 ms
>
>   My code from commit 26516f97:
>   Opaque background: 142 ms
>   Transparent background: 1800 ms
>
>   Then I incorporated the optimizations suggested by Jonh Benediktsson, and 
> here are the new results from commit fa57d052:
>   Opaque background: 143 ms
>   Transparent background: 150 ms
>
>   In general, the Transparent test runs about 6-7 ms longer than the Opaque 
> test, i.e. about 4.6% slower, which is a much better performance 
> characteristic compared to the previous approaches.
>
>   The updated code is posted here: 
> https://github.com/AlexIljin/factor/tree/win-transparent-text-background
>
> 08.06.2019, 10:11, "KUSUMOTO Norio" <kusum...@na.rim.or.jp>:
>>  Ouch, an e-mail wasn't sent to the mailing list because I sent it direct.
>>  I rewrite the wrong part and send it again.
>>
>>  On 2019/06/05 22:24, John Benediktsson wrote:
>>>   Or clear the cache each time, so you don’t have to be lower level code...
>>>>   On Jun 5, 2019, at 4:24 AM, Alexander Ilin <ajs...@yandex.ru>wrote: I 
>>>> think the pairs of {font, string} are cached and only drawn once by the 
>>>> GUI framework. I think you need to call the drawing code more directly to 
>>>> get real performance data.
>>
>>  Thank you, Alexander and John.
>>  I decided to measure only internal processing time.
>
> ---=====---
>  Александр
>
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> Factor-talk@lists.sourceforge.net
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---=====--- 
 Александр



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