[Git][freetype/freetype][master] [sdf] Do not throw errors for invisible

Werner Lemberg pushed to branch master at FreeType / FreeType

Commits:

7b3ebb9c

by Anuj Verma at 2022-04-30T19:38:11+02:00

[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.

1 changed file:

src/sdf/ftsdfrend.c

Changes:

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 );

From:	Werner Lemberg (@wl)
Subject:	[Git][freetype/freetype][master] [sdf] Do not throw errors for invisible glyphs.
Date:	Sat, 30 Apr 2022 17:40:00 +0000