[ANN] FreeType+Subpixel anti-aliasing Update

Markus Gaelli gaelli at emergent.de
Mon Aug 14 09:35:37 UTC 2006


think different!
;-)

Markus

p.s. Sophie rocks!

On Aug 14, 2006, at 11:23 AM, Andrew Tween wrote:

> Hi Stef,
> Thanks.
>
> I have hit a language barrier....
> self doesNotUnderstand: 'What should be done to get that one fruit  
> machines :)'
> :)
>
> Cheers,
> Andy
>
> ----- Original Message -----
> From: "stéphane ducasse" <ducasse at iam.unibe.ch>
> To: "The general-purpose Squeak developers list"
> <squeak-dev at lists.squeakfoundation.org>
> Sent: Monday, August 14, 2006 9:28 AM
> Subject: Re: [ANN] FreeType+Subpixel anti-aliasing Update
>
>
> EXCELLENT!!!!
> Thanks Andy, people like you producing that kind of great software
> really give me a lot of energy
> and sense of responsibility when struggling with harvesting.
> Thanks again. What should be done to get that one fruit machines :)
>
> Stef
>
> On 14 août 06, at 01:25, Andrew Tween wrote:
>
>> An updated vm+plugins+image containing my latest work in getting
>> the FreeType
>> font support from the Sophie project into 3.9 can be obtained from
>> here...
>>
>> http://www.zen61439.zen.co.uk/Squeak3.9g-7054_FreeType.zip
>>
>> This is for Windows only. I'll try a Linux build next.
>>
>> Screenshots, for those lucky enough not to have Windows, are here...
>>
>> http://www.zen61439.zen.co.uk/lcdOff.png
>> http://www.zen61439.zen.co.uk/lcdOn.png
>>
>> lcdOff.png is with the sub-pixel rendering turned off, and
>> lcdOn.png with it
>> switched on.
>>
>> Cheers,
>> Andy
>> ----------------
>>> From the readme.text file...
>>
>> This distribution contains the latest work on harvesting/porting
>> the FreeType
>> code from the Sophie project into Squeak3.9, and rescuing/updating
>> the LCD
>> subpixel anti-aliasing work started by the late Henrik Gedenryd.
>>
>> I have only compiled the required plugins for Win32, so this
>> release is for
>> Win32 only. It has been tested on Win2000.
>>
>> -------
>>
>> The FT2Plugin is now external (FT2Plugin.dll). It now uses the latest
>> FreeType2.2.1 library.
>>
>> Now works with 32,16, and 8 bit display depths.
>>
>> Gamma correction improved (now applied by the new BitBlt mode).
>>
>> Underline and Strikeout emphasis supported
>>
>> Synthetic emphasis is applied when a font does not support that
>> emphasis
>> directly. e.g. can now have Italic, and Bold-italic emphasis for
>> Bitstream Vera
>> Serif.
>> Synthetic emphasis is indicated with an asterisk in the System
>> Fonts picker e.g.
>> Bold*, Bold Italic*.
>>
>> Fonts can be stored in the image as ByteArrays, and used by the
>> FreeType plugin,
>> without requiring the font file to exist, or be re-created, on disk.
>>
>> Fonts can be loaded through FileList services.
>> There are options to embed a file's contents into the image (as
>> described
>> above); or to use the file each time the font needs to be accessed.
>> Font files must be placed in the ./fonts folder before installing -
>> this will be
>> improved later.
>>
>> If a font file is missing from the ./Fonts folder when the image is
>> started, a
>> substitute strike font (Accuny or Accumon) will be used in its place.
>>
>> There is a new cache to hold the character glyphs/metrics for each
>> font. The
>> maximum size of the cache can be set (in Kb).
>>
>> -------
>> TODO:
>>
>> Kerning.
>>
>> Rotated text in subpixel mode.
>>
>> Loading font files from anywhere on disk.
>>
>> Loading whole font families in one operation (e.g. no need to load
>> Vera.ttf,
>> VeraBd.ttf, VeraIt.ttf, and VeraBI.ttf separately to install
>> Bitstream Vera
>> Sans).
>>
>> Improve sub-pixel filtering. (implement in plugin to speed up)
>>
>> See if support for pfb, pfa can be improved (attaching metric files).
>>
>> Support for other font types (currently ttf, ttc, otf, otc, pfa,
>> pfb are
>> supported).
>>
>> Support for ttf files without unicode char maps.
>>
>> Better font substitution for missing font files (i.e. use a sans
>> serif strike
>> font in place of a missing sans serif ttf font).
>>
>> Better underline/strikeout emphasis (currently drawn as solid line,
>> but should
>> be anti-aliased for non-integral line widths/alignment)
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
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