diff options
Diffstat (limited to 'source/blender/blenfont/intern/blf_font.c')
| -rw-r--r-- | source/blender/blenfont/intern/blf_font.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/source/blender/blenfont/intern/blf_font.c b/source/blender/blenfont/intern/blf_font.c index 1900efa2dbc..f2c36475870 100644 --- a/source/blender/blenfont/intern/blf_font.c +++ b/source/blender/blenfont/intern/blf_font.c @@ -219,6 +219,40 @@ void blf_font_draw_ascii(FontBLF *font, const char *str, size_t len) } } +/* use fixed column width, but an utf8 character may occupy multiple columns */ +int blf_font_draw_mono(FontBLF *font, const char *str, size_t len, int cwidth) +{ + unsigned int c; + GlyphBLF *g; + int col, columns = 0; + int pen_x = 0, pen_y = 0; + size_t i = 0; + GlyphBLF **glyph_ascii_table = font->glyph_cache->glyph_ascii_table; + + blf_font_ensure_ascii_table(font); + + while ((i < len) && str[i]) { + BLF_UTF8_NEXT_FAST(font, g, str, i, c, glyph_ascii_table); + + if (c == BLI_UTF8_ERR) + break; + if (g == NULL) + continue; + + /* do not return this loop if clipped, we want every character tested */ + blf_glyph_render(font, g, (float)pen_x, (float)pen_y); + + col = BLI_wcwidth((wchar_t)c); + if (col < 0) + col = 1; + + columns += col; + pen_x += cwidth * col; + } + + return columns; +} + /* Sanity checks are done by BLF_draw_buffer() */ void blf_font_buffer(FontBLF *font, const char *str) { |