| Commit message (Collapse) | Author | Age | Files | Lines |
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This has the side effect that the ASS_FontProviderMetaData instance is now
cleared for every font rather than only once at the start of the search,
which fixes some use-after-free scenarios and prevents the creation of
chimeric fonts using names left over from other fonts processed earlier.
This lays the groundwork for further code simplification and error handling
improvements within this function, which will come in a separate commit.
This commit is transparent to `git blame -w` except for return statements.
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Fonts without PostScript outlines (such as TrueType fonts) are unaffected,
and their PostScript names continue to be ignored when searching for fonts.
This matches the behavior of GDI and hence VSFilter.
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As before, this does not add any build system support:
a config.h file and a project must still be manually created
(or the compiler can be run manually instead of using a project).
Signed-off-by: Grigori Goronzy <greg@kinoho.net>
Signed-off-by: Oleg Oshmyan <chortos@inbox.lv>
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WINBOOL is MingW-specific.
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MSVC requires the calling convention to be grouped with the identifier when
defining a callback type.
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This adds simple and sensible substitutions for generic font family
names. A helper function is introduced to reduce code duplication.
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A name clash was introduced by commit ab08d079.
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Apparently we only need the font family (and even that isn't used in all
font providers). Drop the others.
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Tired of matching the names and order of the callbacks in my head.
While we're at it, also give some of the callbacks better names.
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Rename dwrite.h to dwrite_c.h to make the difference between the
official header and ours clearer. Also apply minor cleanups to it.
Remove the patch against upstream MinGW; it's pointless now.
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The existing code doesn't even handle all currently defined values
for it, and nothing says no new values are ever going to be added.
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Unfortunately, nobody ever tested the MinGW dwrite.h header in C. There
are multiple glaring mistakes, and the header doesn't even compile by
itself. The main issues are overloaded functions (which doesn't work
in C), and broken COBJMACROS defines.
dwrite.diff contains changes to dwrite.h which make libass work.
Warning: the patch lacks a required change to the DrawInlineObject
method of IDWriteTextRenderer (missing THIS_).
Additionally, these definitions would ideally be provided by dwrite.h:
DEFINE_GUID(IID_IDWriteFactory, 0xb859ee5a,0xd838,0x4b5b,0xa2,0xe8,0x1a,0xdc,0x7d,0x93,0xdb,0x48);
DEFINE_GUID(IID_IDWritePixelSnapping, 0xeaf3a2da,0xecf4,0x4d24,0xb6,0x44,0xb3,0x4f,0x68,0x42,0x02,0x4b);
DEFINE_GUID(IID_IDWriteTextRenderer, 0xef8a8135,0x5cc6,0x45fe,0x88,0x25,0xc5,0xa0,0x72,0x4e,0xb8,0x19);
Also, in order to make libass compile out of the box with current
MinGW/msys installations, a very stripped down in-tree copy of dwrite.h
is provided.
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