diff options
Diffstat (limited to 'surfaces')
| -rw-r--r-- | surfaces/pixels.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/surfaces/pixels.c b/surfaces/pixels.c index f671143..304e96d 100644 --- a/surfaces/pixels.c +++ b/surfaces/pixels.c @@ -86,8 +86,12 @@ void vega_pixels(const VegaGrid *grid, VegaFace *face, uint32_t *out, size_t str int x = (int)c * face->cell_width, y = (int)r * face->cell_height; const VegaBitmap *glyph = vega_glyph(face->glyphs, cell->ch); unsigned cells = vega_width(cell->ch) == 2 ? 2 : 1; + /* A wide character's glyph is centred in its two cells: a CJK font's full width is + * less than two cells of a monospace Latin font. */ + int centred = glyph && cells == 2 && glyph->advance < 2 * face->cell_width + ? (2 * face->cell_width - glyph->advance) / 2 : 0; if (!glyph) missing(out, stride, x, y, face->cell_width * (int)cells, face->cell_height, width, color); - else draw(out, stride, width, height, glyph, x, y + face->baseline, color); + else draw(out, stride, width, height, glyph, x + centred, y + face->baseline, color); if (cell->mark && (glyph = vega_glyph(face->glyphs, cell->mark))) draw(out, stride, width, height, glyph, x, y + face->baseline, color); } |