src_col /= 2;
/* Fetch a column of dots from glyph. */
dots = PGM_READ_CHAR(glyph + src_col * glyph_height_bytes + row);
/* Italic: get lower 4 dots from previous column */
src_col /= 2;
/* Fetch a column of dots from glyph. */
dots = PGM_READ_CHAR(glyph + src_col * glyph_height_bytes + row);
/* Italic: get lower 4 dots from previous column */