diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/OT/glyf/SimpleGlyph.hh')
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/SimpleGlyph.hh | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/thirdparty/harfbuzz/src/OT/glyf/SimpleGlyph.hh b/thirdparty/harfbuzz/src/OT/glyf/SimpleGlyph.hh index d45f4eb350..2b4aa99d25 100644 --- a/thirdparty/harfbuzz/src/OT/glyf/SimpleGlyph.hh +++ b/thirdparty/harfbuzz/src/OT/glyf/SimpleGlyph.hh @@ -132,8 +132,8 @@ struct SimpleGlyph if (unlikely (p + 1 > end)) return false; unsigned int repeat_count = *p++; unsigned stop = hb_min (i + repeat_count, count); - for (; i < stop;) - points_.arrayZ[i++].flag = flag; + for (; i < stop; i++) + points_.arrayZ[i].flag = flag; } } return true; @@ -223,33 +223,34 @@ struct SimpleGlyph if (value > 0) flag |= same_flag; else value = -value; - coords.push ((uint8_t)value); + coords.arrayZ[coords.length++] = (uint8_t) value; } else { int16_t val = value; - coords.push (val >> 8); - coords.push (val & 0xff); + coords.arrayZ[coords.length++] = val >> 8; + coords.arrayZ[coords.length++] = val & 0xff; } } static void encode_flag (uint8_t &flag, uint8_t &repeat, - uint8_t &lastflag, + uint8_t lastflag, hb_vector_t<uint8_t> &flags /* OUT */) { if (flag == lastflag && repeat != 255) { - repeat = repeat + 1; + repeat++; if (repeat == 1) { - flags.push(flag); + /* We know there's room. */ + flags.arrayZ[flags.length++] = flag; } else { unsigned len = flags.length; - flags[len-2] = flag | FLAG_REPEAT; - flags[len-1] = repeat; + flags.arrayZ[len-2] = flag | FLAG_REPEAT; + flags.arrayZ[len-1] = repeat; } } else @@ -257,7 +258,6 @@ struct SimpleGlyph repeat = 0; flags.push (flag); } - lastflag = flag; } bool compile_bytes_with_deltas (const contour_point_vector_t &all_points, @@ -269,7 +269,6 @@ struct SimpleGlyph dest_bytes = hb_bytes_t (); return true; } - //convert absolute values to relative values unsigned num_points = all_points.length - 4; hb_vector_t<uint8_t> flags, x_coords, y_coords; @@ -277,23 +276,23 @@ struct SimpleGlyph if (unlikely (!x_coords.alloc (2*num_points))) return false; if (unlikely (!y_coords.alloc (2*num_points))) return false; - uint8_t lastflag = 0, repeat = 0; - int prev_x = 0.f, prev_y = 0.f; - + uint8_t lastflag = 255, repeat = 0; + int prev_x = 0, prev_y = 0; + for (unsigned i = 0; i < num_points; i++) { - uint8_t flag = all_points[i].flag; + uint8_t flag = all_points.arrayZ[i].flag; flag &= FLAG_ON_CURVE + FLAG_OVERLAP_SIMPLE; - float cur_x = roundf (all_points[i].x); - float cur_y = roundf (all_points[i].y); + int cur_x = roundf (all_points.arrayZ[i].x); + int cur_y = roundf (all_points.arrayZ[i].y); encode_coord (cur_x - prev_x, flag, FLAG_X_SHORT, FLAG_X_SAME, x_coords); encode_coord (cur_y - prev_y, flag, FLAG_Y_SHORT, FLAG_Y_SAME, y_coords); - if (i == 0) lastflag = flag + 1; //make lastflag != flag for the first point encode_flag (flag, repeat, lastflag, flags); prev_x = cur_x; prev_y = cur_y; + lastflag = flag; } unsigned len_before_instrs = 2 * header.numberOfContours + 2; @@ -303,29 +302,29 @@ struct SimpleGlyph if (!no_hinting) total_len += len_instrs; - char *p = (char *) hb_calloc (total_len, sizeof (char)); + char *p = (char *) hb_malloc (total_len); if (unlikely (!p)) return false; const char *src = bytes.arrayZ + GlyphHeader::static_size; char *cur = p; - memcpy (p, src, len_before_instrs); + hb_memcpy (p, src, len_before_instrs); cur += len_before_instrs; src += len_before_instrs; if (!no_hinting) { - memcpy (cur, src, len_instrs); + hb_memcpy (cur, src, len_instrs); cur += len_instrs; } - memcpy (cur, flags.arrayZ, flags.length); + hb_memcpy (cur, flags.arrayZ, flags.length); cur += flags.length; - memcpy (cur, x_coords.arrayZ, x_coords.length); + hb_memcpy (cur, x_coords.arrayZ, x_coords.length); cur += x_coords.length; - memcpy (cur, y_coords.arrayZ, y_coords.length); + hb_memcpy (cur, y_coords.arrayZ, y_coords.length); dest_bytes = hb_bytes_t (p, total_len); return true; |