[ANN] FreeType+Subpixel anti-aliasing Update

stéphane ducasse ducasse at iam.unibe.ch
Mon Aug 14 08:28:34 UTC 2006


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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