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* Add text justificationDan Oscarsson2016-11-121-0/+5
| | | | | | | | | | | | | | | | | | | | | | | Subtitle recommendations often include that multi line subtitles should be left justified as this is easier for the eyes. This is also the standard used by several television companies. This add the possibility to define how subtitles are to be justified, independently of where they are aligned. The most common way could be to set justify to left, and have alignment to center. But you can, for example, have alignment to left and justify to center, giving subtitles to the left but justifed on the center (instead of normal left justified). Using justify right and alignment of center, might be good choice for Arabic. If justify is not defined, all works like before. If justify is defined, subtitles are aligned as defined by alignment and justified as defined by justify. ASS is not extended by this, justify can only be defined by setting Justify to wanted justification.
* ass: make font_provider API privatewm42015-08-281-136/+0
| | | | | | | | | | We were discussing whether this should be public or private. It could be public, because the API is potentially useful, and is relatively simple. On the other hand, the API is not necessarily final, and making it public would prevent us from improving/fixing it. Make it private for now - making it public later is much easier than having to break the public API later.
* fontconfig: implement substitutionsGrigori Goronzy2015-08-281-3/+3
| | | | Signed-off-by: wm4 <wm4@nowhere>
* Fix typedefswm42015-08-041-3/+3
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* fontselect: add fallback and substitution callbacksGrigori Goronzy2015-07-101-7/+49
| | | | | Add callbacks to introduce more sane fallback handling and font alias substitutions.
* fontselect: add documentationGrigori Goronzy2015-07-101-17/+76
| | | | | Add some documentation to the font provider callbacks and metadata struct.
* fontselect: coretext: allow to match fontname using the providerStefano Pigozzi2015-07-101-0/+4
| | | | | | | | | | | | | | | | | | | | | | Not all APIs cache everything the same way that fontconfig does. This allows to first perform a match based on the font name and then score the matched fonts using the common code using and in memory database approach. The benefit is the application doesn't have to load all of the fonts and query for weight, slant, width, path and fullnames. I left both code paths inside ass_coretext.c. This allows to test matching problems and have a term of comparison with the slower implementation. To activate it one just has to flip the CT_FONTS_EAGER_LOAD define to 1. Here are some benchmarks with a pretty typical OS X font library of ~600 fonts and using Libass's test program to load a script with 'Helvetica Neue': CT_FONTS_EAGER_LOAD=0 0.04s user 0.02s system 79% cpu 0.081 total CT_FONTS_EAGER_LOAD=1 0.12s user 0.06s system 44% cpu 0.420 total
* Add todo commentsGrigori Goronzy2015-07-101-0/+1
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* Support multiple font family namesGrigori Goronzy2015-07-101-1/+2
| | | | | | Some fonts use localized family names, especially CJK fonts, which often have English and Japanese or Chinese names. Handle these cases just like full names.
* Add support for font width propertyGrigori Goronzy2015-07-101-0/+4
| | | | | | Add a width field to metadata. This is used for sorting fonts as well. Fixes wrong matches with different width variants in the same font family.
* Use streamed access for memory fontsGrigori Goronzy2015-07-101-5/+5
| | | | | This is faster in many cases, and more suitable for Windows' GetFontData function.
* Export font provider interfaceGrigori Goronzy2015-07-101-0/+38
| | | | | | | Add wrapper to the ASS_Renderer to create a font provider from its internal font selector and shuffle some code around to export everything that's needed for font providers to the public. Document font provider functions.
* Document insane (xy-)vsfilter color semanticswm42013-07-061-13/+67
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* Support reading the YCbCr Matrix headerOleg Oshmyan2013-03-031-0/+13
| | | | | | | | | | | | The value is parsed and stored as an enum constant that the consumer can read from ASS_Track. All output images are still plain RGB, and the consumer is expected to perform its own color correction. Supported header values: (TV|PC).(601|709|240M|FCC) and None. If the header is missing, a special compatibility value is used that should be treated as TV.601 if the accompanying video stream is YCbCr and as None otherwise. If the header is present but has an invalid/unknown value, a different special value is substituted.
* Add Blur field to ASS_Stylewm42013-01-111-0/+1
| | | | | Useful when applications specify the style manually for non-ASS subtitles.
* Parse angle in styles as double numberGrigori Goronzy2013-01-071-1/+1
| | | | | | Similar to VSFilter. Thanks to Iroha for reporting this issue. Note: this breaks the ABI!
* Support language hint in the Script Info sectionGrigori Goronzy2011-08-011-0/+1
| | | | | | Parse a hint in the form "Language: xx" with xx being an ISO 639-1 language code, and pass it to HarfBuzz. This can be useful to render scripts with language-specific character variants.
* Relicense to ISCGrigori Goronzy2010-09-281-12/+10
| | | | | | In hope to make libass as useful as possible, relicense libass to ISC, a simplified 2-clause BSD license. All contributors who provided non-trivial changes have granted their permission for this.
* Disable kerning by default and make it configurableGrigori Goronzy2009-09-081-0/+1
| | | | | | | | | | | | | | | | | | Kerning causes problems with many (broken) fonts. VSFilter doesn't use kerning so these problems won't be apparant, while libass uses kerning by default. For compatibility reasons, disable kerning by default. In addition, make it configurable through style overrides and the Script Info header. I.e. put "Kerning: yes" into the Script Info header to enable kerning. With MPlayer, using "-ass-force-style Kerning=yes" will always enable kerning. This also includes a minor ABI change for tracking the kerning boolean. As this only affects code that creates or modifies ASS_Tracks manually, and I'm not aware of anyone doing that, the SONAME will not be bumped.
* Use int for ScaledBorderAndShadowGrigori Goronzy2009-08-061-1/+1
| | | | | Convert type for consistency with other booleans/flags that also use int.
* Rename typedefs (breaks API)Grigori Goronzy2009-08-061-14/+13
| | | | | | Rename all typedefs from the convention foo_bar_t, which can possibly conflict with POSIX types, to FooBar (and ASS_FooBar for public API typedefs). Fix formatting and stray comments while at it.
* Bring back names for public typesGrigori Goronzy2009-07-281-3/+3
| | | | | | For the event/style/track types, bring back the struct name, but without the _s suffix. This is useful for forward declaration of these types.
* Clean up typedefs/structsGrigori Goronzy2009-07-281-8/+9
| | | | | Remove useless _s suffix from struct names and remove struct name where not needed (only the typedef'd struct is used). Clean up API headers.
* Improve API headers and documentationGrigori Goronzy2009-07-171-19/+25
| | | | | | Improve APi documentation; each function is properly documented now. Add a new macro LIBASS_VERSION that encodes the version in a hexadecimal format, similar to OpenSSL. Fix formatting of the headers.
* Reindent all source code.greg2009-06-201-60/+59
| | | | | | | | | | | | | | | Reindent complete source code (*.c, *.h) with indent, the exact command line being: indent -kr -i4 -bap -nut -l76 *.c *.h From now on, new code should use (more or less) K&R style, only spaces and no tabs, 4 spaces indent width. Avoid long lines. Fix function declaration pointer spacing. Remove spaces that were added to many function declarations by indent, like some_func(foo_t * bar). Fix indenting of macros in ass.c
* whitespace cosmetics: Remove all trailing whitespace.diego2009-05-131-2/+2
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29305 b3059339-0415-0410-9bf9-f77b7e298cf2
* Treat -font/-subfont as Fontconfig pattern in libass.eugeni2009-03-081-0/+1
| | | | | | Patch by Adrian Stutz (adrian sttz ch). git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28895 b3059339-0415-0410-9bf9-f77b7e298cf2
* Support ScaledBorderAndShadow property.greg2009-03-051-0/+1
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28820 b3059339-0415-0410-9bf9-f77b7e298cf2
* Speak of libass instead of MPlayer in the libass license headers.diego2008-05-141-4/+4
| | | | | | | | We already use LIBASS_ prefixes for the multiple inclusion guards. Thus libass can be considered separate enough to warrant this. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26770 b3059339-0415-0410-9bf9-f77b7e298cf2
* Use standard license header.diego2008-05-131-16/+18
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26755 b3059339-0415-0410-9bf9-f77b7e298cf2
* Add missing header #includes to fix 'make checkheaders'.diego2008-03-051-0/+2
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26170 b3059339-0415-0410-9bf9-f77b7e298cf2
* Consistently give all libass multiple inclusion guards a LIBASS_ prefix.diego2008-01-291-3/+3
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25927 b3059339-0415-0410-9bf9-f77b7e298cf2
* Add explanatory comments to the #endif part of multiple inclusion guards.diego2007-12-311-2/+1
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25563 b3059339-0415-0410-9bf9-f77b7e298cf2
* Do not use leading underscores in multiple inclusion guards, they are reserved.diego2007-07-021-2/+2
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23709 b3059339-0415-0410-9bf9-f77b7e298cf2
* Support fractional font sizes.eugeni2007-05-141-1/+1
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23318 b3059339-0415-0410-9bf9-f77b7e298cf2
* Correct implementation of text spacing.eugeni2007-02-191-1/+1
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22277 b3059339-0415-0410-9bf9-f77b7e298cf2
* Libass interface reworked:eugeni2006-10-281-0/+3
| | | | | | | | | - ass_instance_t renamed to ass_renderer_t - ass_library_t introduced - use of mplayer-specific global variables limited to ass_mp.c git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20493 b3059339-0415-0410-9bf9-f77b7e298cf2
* Add copyright notice and vim/emacs comments to libass and vf_ass.c.eugeni2006-10-011-0/+20
| | | | git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20014 b3059339-0415-0410-9bf9-f77b7e298cf2
* Better collision detection algorithm. The idea is to keep a subtitle in placeeugeni2006-09-021-0/+4
| | | | | | | | when a lower placed one disappears, thus improving readability. As a side effect, layers are supported now. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19644 b3059339-0415-0410-9bf9-f77b7e298cf2
* SSA/ASS parser reworked, with 2 main results:eugeni2006-08-221-1/+5
| | | | | | | | support for script embedded fonts (fonts, uuencoded directly into script) added; matroska interface functions have got more sensible names. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19498 b3059339-0415-0410-9bf9-f77b7e298cf2
* Initial libass release (without mencoder support).eugeni2006-07-071-0/+83
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18942 b3059339-0415-0410-9bf9-f77b7e298cf2
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