AW: 0 values for Font.getStringBounds()

[David Alvarez]

Hi,

It is already done, it should be included with 8u272.

--
David

On 2020-08-11 23:22, Peter Felix wrote:
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> 
> 
> 
> Hi David,
> 
> thanks a lot for your answer. What have to be done that JDK-8233097 will be backported into 8?
> 
> Thanks,
> Peter
> 
> Peter Felix
> Software-Entwickler
> 
> Telefon:
> +41 44 809 40 60
> E-Mail: felix at imagic.ch
> 
> Imagic Bildverarbeitung AG
> Europa-Strasse 27
> CH-8152 Glattbrugg
> 
> www.imagic.ch
> 
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: David Alvarez <alvdavi at amazon.com>
> Gesendet: Mittwoch, 12. August 2020 00:13
> An: Peter Felix <felix at imagic.ch>; jdk8u-dev at openjdk.java.net
> Betreff: Re: 0 values for Font.getStringBounds()
> 
> Hi,
> 
> We have seen this can cause characters to overlap on swing when using large fonts too. It seems JDK-8225286, which was backported into 8, introduced the issue.
> 
> It seems to me we might need to backport JDK-8233097 [1] in order to fix this.
> 
> --
> David
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8233097
> 
> On 2020-08-10 02:15, Peter Felix wrote:
>> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you can confirm the sender and know the content is safe.
>>
>>
>>
>> I’d like to report a bug based on Font.getStringBounds().
>>
>> With the following lines it is reproducible:
>>
>> String test = "abcdefghijklmnopqrstuvwxyz "; Font f = new
>> Font("Arial", 0, 1560); int[] widths = new int[test.length()]; for
>> (int i = 0; i < widths.length; i++) {
>>     FontRenderContext context = new FontRenderContext(new AffineTransform(1, 0, 0, 1, 0, 0), true, true);
>>     double w = f.getStringBounds(test, i, i + 1, context).getWidth();
>>      widths[i] = (int) w;
>> }
>>
>> for (int i = 0; i < widths.length; i++) {
>>     System.out.print(widths[i] + " "); }
>>
>>
>> Output ok (with Amazon Corretto 8.202):
>> 867 867 780 867 867 433 867 867 346 346 780 346 1299 867 867 867 867
>> 519 780 433 867 780 1126 780 780 780 433 If I set the font size to
>> 3000 instead of 1560 then the output is
>> 1668 1668 1500 1668 1668 833 1668 1668 666 666 1500 666 2499 1668 1668
>> 1668 1668 999 1500 833 1668 1500 2166 1500 1500 1500 833 If I set the
>> font size to 100 instead of 1560 then the output is
>> 55 55 50 55 55 27 55 55 22 22 50 22 83 55 55 55 55 33 50 27 55 50 72
>> 50 50 50 27
>>
>>
>> Output nok (with Amazon Corretto 8.232, 8.252, 8.265 and with AdoptOpenJDK 8.265):
>> 867 0 780 0 867 0 0 0 0 0 0 0 0 867 867 0 0 519 780 0 867 780 0 780 0
>> 780 433 If I set the font size to 3000 instead of 1560 then the output
>> is
>> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 833 If I set the
>> font size to 100 instead of 1560 then the output is (with this size
>> the values are ok)
>> 55 55 50 55 55 27 55 55 22 22 50 22 83 55 55 55 55 33 50 27 55 50 72
>> 50 50 50 27
>>
>> Thanks,
>>
>> Peter Felix
>>
>> Software-Entwickler
>>
>>
>>
>> Telefon:
>>
>> +41 44 809 40 60
>>
>> E-Mail: felix at imagic.ch<mailto:felix at imagic.ch>
>>
>>
>>
>> Imagic Bildverarbeitung AG
>>
>> Europa-Strasse 27
>>
>> CH-8152 Glattbrugg
>>
>>
>>
>> www.imagic.ch<http://www.imagic.ch>
>>
>> [LinkedIn]<https://www.linkedin.com/company/imagic-ch/>
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>> <https://www.xing.com/companies/imagicbildverarbeitungag/updates>
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>>
>>