[OpenJDK 2D-Dev] RFR: 8193017: Import freetype sources into OpenJDK source tree

Sergey Bylokhov Sergey.Bylokhov at oracle.com
Fri Mar 9 23:49:37 UTC 2018

I am not an expert here, but the LICENSE.TXT is a little bit different.
It states that "This means  that *you* must choose  *one* of the  two 
licenses described below,.....".
So I do not know should we select the license and provide the text only 
for one or for both.

On 09/03/2018 15:28, Philip Race wrote:
> Just to be clear, I mean we don't import it to each of the source files.
> But it is there in the file legal/freetype.md in this webrev.
> On 3/9/18, 3:26 PM, Philip Race wrote:
>> No.
>> -phil.
>> On 3/9/18, 3:23 PM, Sergey Bylokhov wrote:
>>> Hi, Phil
>>> Headers of the new files refer to LICENSE.TXT. Should we import it as 
>>> well?
>>> On 09/03/2018 14:10, Phil Race wrote:
>>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8193017
>>>> Webrev: http://cr.openjdk.java.net/~prr/8193017/index.html
>>>> This fix is will make building openjdk somewhat easier as it removes
>>>> the dependence on an OpenJDK developer on Windows or Mac going
>>>> off and downloading and building freetype source themselves .. or
>>>> using XQuartz on Mac etc.
>>>> It also means it will be somewhat easier for updating official OpenJDK
>>>> builds to use a more modern freetype. The pre-compiled binary is a pain
>>>> inside Oracle too.
>>>> On Linux and Solaris platforms the build will still default to using
>>>> the system installed freetype library. However this can easily be
>>>> over-ridden by adding  a configure parameter : --with-freetype=bundled
>>>> The other valid option being "system" which, is of however never not 
>>>> valid
>>>> on Windows  or Mac. So --with-freetype include is no longer a path.
>>>> The auto-discovery of the location of system library and headers has
>>>> worked for me on Solaris and OEL/RHEL as well as Ubuntu 17.10
>>>> But just in case it doesn't you can also still use
>>>> --with-freetype-include and --with-freetype-lib
>>>> which must both be specified and imply --with-freetype=system
>>>> The docs have been updated to remove discussion of the obsoleted 
>>>> requirements
>>>> Sharp eyes will also notice that it now makes Freetype the preferred 
>>>> rasteriser
>>>> over the closed source T2K, even for Oracle JDK builds :
>>>> http://cr.openjdk.java.net/~prr/8193017/src/java.desktop/share/classes/sun/font/FontScaler.java.sdiff.html 
>>>> Since freetype != t2k there *will* be some very minor rasterization 
>>>> differences.
>>>> Such cases are likely not a bug, but a feature :-)
>>>> Since we previously and now mostly used GDI for LCD text on Windows and
>>>> also generally defer to CoreText on Mac, the importance of the 
>>>> differences
>>>> may not be great.
>>>> But if you see any really bad rendering (I haven't) let me know.
>>>> make/devkit/createMacosxDevkit6.sh is an empty diff  .. I was
>>>> proposing to remove the devkit references to freetype but it was 
>>>> suggested
>>>> to leave that alone for now.
>>>> 99% of the change is simply importing the freetype 2.9 files "as is"
>>>> The UPDATING.txt file provides some background on the import process.
>>>> I have built this every-which-way and tested it too .. it is of 
>>>> course possible
>>>> there's a problem I've missed so try it out yourself if you can.
>>>> -phil.

Best regards, Sergey.

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