> Well, I'm trying to set a variable inside the execution context
> during Ins_FDEF that will set compatibility mode to "on" for the
> rest of the execution of glyph hinting for that entire face.
OK.
> I'm assuming that the FDEFs are only read once during the prep, and
> not every time a glyph is loaded.
Yes.
> But, it "seems" (yes, a vague word) like compatibility mode isn't
> always on during execution, even though I know that the function
> opcode patterns were triggered, and compatibility_mode was set to
> TRUE for that execution context.
Have you tried to insert some debugging messages to check your
problem?
> So, that makes me wonder if my assumptions about the execution
> context are even correct. Like, let's say that Times New Roman gets
> loaded, and Ins_FDEF detects that compatibility_mode should be set
> to TRUE. I set it as such, and then, Oxygen gets loaded, which sets
> compatibility_mode to FALSE, because it's a modern font without the
> triggering opcode patterns.
You can only load a single font into an FT_Face structure. In real
life, there are multiple faces used in parallel, managed by
higher-level libraries.
> Then, I load another glyph from Times New Roman. Will the execution
> context for that glyph have compatibility_mode set to TRUE or FALSE?
It *must* be TRUE in the FT_Face object which holds Times New Roman.
Werner
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