diff options
Diffstat (limited to 'font/src/ft/mod.rs')
| -rw-r--r-- | font/src/ft/mod.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/font/src/ft/mod.rs b/font/src/ft/mod.rs index 6cd859e9..25917e96 100644 --- a/font/src/ft/mod.rs +++ b/font/src/ft/mod.rs @@ -294,6 +294,29 @@ impl FreeTypeRasterizer { let (pixel_width, buf) = Self::normalize_buffer(&glyph.bitmap())?; + // Render a custom symbol for the underline cursor + if glyph_key.c == '' { + // Get the bottom of the bounding box + let size_metrics = face.ft_face.size_metrics() + .ok_or(Error::MissingSizeMetrics)?; + let descent = (size_metrics.descender / 64) as f32; + + // Create a new rectangle, the height is half the distance between + // bounding box bottom and the baseline + let height = f32::abs(descent / 2.) as i32; + let buf = vec![255u8; (pixel_width * height * 3) as usize]; + + // Create a custom glyph with the rectangle data attached to it + return Ok(RasterizedGlyph { + c: glyph_key.c, + top: descent as i32 + height, + left: glyph.bitmap_left(), + height, + width: pixel_width, + buf: buf, + }); + } + Ok(RasterizedGlyph { c: glyph_key.c, top: glyph.bitmap_top(), |