From 7b3ebb9c1275d3cded7ea7e683cb43993bcc4cd4 Mon Sep 17 00:00:00 2001 From: Anuj Verma Date: Sat, 30 Apr 2022 22:43:33 +0530 Subject: [PATCH] [sdf] Do not throw errors for invisible glyphs. * src/sdf/ftsdfrend.c (ft_sdf_render, ft_bsdf_render): Return `FT_Err_Ok` if width or height is zero, since some glyphs do not generate visible bitmaps. Fixes #1150. --- src/sdf/ftsdfrend.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/src/sdf/ftsdfrend.c b/src/sdf/ftsdfrend.c index 37dbd40d9..b0213a40d 100644 --- a/src/sdf/ftsdfrend.c +++ b/src/sdf/ftsdfrend.c @@ -298,15 +298,9 @@ goto Exit; } - /* the rows and pitch must be valid after presetting the */ - /* bitmap using outline */ + /* nothing to render */ if ( !bitmap->rows || !bitmap->pitch ) - { - FT_ERROR(( "ft_sdf_render: failed to preset bitmap\n" )); - - error = FT_THROW( Cannot_Render_Glyph ); - goto Exit; - } + return FT_Err_Ok; /* the padding will simply be equal to the `spread' */ x_pad = sdf_module->spread; @@ -525,13 +519,9 @@ goto Exit; } + /* nothing to render */ if ( !bitmap->rows || !bitmap->pitch ) - { - FT_ERROR(( "ft_bsdf_render: invalid bitmap size\n" )); - - error = FT_THROW( Invalid_Argument ); - goto Exit; - } + return FT_Err_Ok; FT_Bitmap_New( &target );