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From: | Behdad Esfahbod |
Subject: | Re: [ft-devel] glyph metrics don't match bitmap size (2.8.1) |
Date: | Wed, 20 Sep 2017 14:50:01 -0700 |
What about adding FT_RENDER_MODE_NONE = -1 to FT_Render_Mode_?The enum should still be representable by the same size int.Or maybe a better name than FT_RENDER_MODE_NONE that specifies the layout/measurement portion of the rendering only?
On Wed, Sep 20, 2017 at 4:08 PM, Alexei Podtelezhnikov <address@hidden> wrote:> https://www.freetype.org/freetype2/docs/reference/ft2-base_ interface.html#FT_LOAD_BITMAP_ METRICS_ONLY
> I proposed expanding FT_LOAD_BITMAP_METRICS_ONLY flag to work for
> outline glyphs as well. If I understand correctly this should help
> with GPU font atlases, rectangle packing, whatever is the Skia
> issue... The stars aligned for the recipients list.
Its easier said than done. The renderers do not see all load_flags but
only the 4-bit (0-5 actually) render_mode enum. I can pass the
FT_LOAD_BITMAP_METRICS_ONLY flag to FT_Render_Glyph at bit 5 or above
to force the renderers to bail once the bitmap metrics are set. Can I
set a bits in enum? This technically changes the type from
FT_Render_Mode to int. Unfortunately, the enum persists deep inside.
Any other ideas?
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