diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/OT/glyf')
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/CompositeGlyph.hh | 67 | ||||
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/Glyph.hh | 139 | ||||
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/SimpleGlyph.hh | 49 | ||||
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/SubsetGlyph.hh | 10 | ||||
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/VarCompositeGlyph.hh | 353 | ||||
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/composite-iter.hh | 68 | ||||
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/coord-setter.hh | 34 | ||||
| -rw-r--r-- | thirdparty/harfbuzz/src/OT/glyf/glyf.hh | 66 |
8 files changed, 645 insertions, 141 deletions
diff --git a/thirdparty/harfbuzz/src/OT/glyf/CompositeGlyph.hh b/thirdparty/harfbuzz/src/OT/glyf/CompositeGlyph.hh index fc8e309bc9..edf8cd8797 100644 --- a/thirdparty/harfbuzz/src/OT/glyf/CompositeGlyph.hh +++ b/thirdparty/harfbuzz/src/OT/glyf/CompositeGlyph.hh @@ -3,6 +3,7 @@ #include "../../hb-open-type.hh" +#include "composite-iter.hh" namespace OT { @@ -121,7 +122,7 @@ struct CompositeGlyphRecord if (flags & ARG_1_AND_2_ARE_WORDS) { // no overflow, copy and update value with deltas - memcpy (out, this, len); + hb_memcpy (out, this, len); const HBINT16 *px = reinterpret_cast<const HBINT16 *> (p); HBINT16 *o = reinterpret_cast<HBINT16 *> (out + len_before_val); @@ -135,7 +136,7 @@ struct CompositeGlyphRecord if (new_x <= 127 && new_x >= -128 && new_y <= 127 && new_y >= -128) { - memcpy (out, this, len); + hb_memcpy (out, this, len); HBINT8 *o = reinterpret_cast<HBINT8 *> (out + len_before_val); o[0] = new_x; o[1] = new_y; @@ -143,7 +144,7 @@ struct CompositeGlyphRecord else { // int8 overflows after deltas applied - memcpy (out, this, len_before_val); + hb_memcpy (out, this, len_before_val); //update flags CompositeGlyphRecord *o = reinterpret_cast<CompositeGlyphRecord *> (out); @@ -152,14 +153,14 @@ struct CompositeGlyphRecord HBINT16 new_value; new_value = new_x; - memcpy (out, &new_value, HBINT16::static_size); + hb_memcpy (out, &new_value, HBINT16::static_size); out += HBINT16::static_size; new_value = new_y; - memcpy (out, &new_value, HBINT16::static_size); + hb_memcpy (out, &new_value, HBINT16::static_size); out += HBINT16::static_size; - memcpy (out, p+2, len - len_before_val - 2); + hb_memcpy (out, p+2, len - len_before_val - 2); len += 2; } } @@ -252,55 +253,7 @@ struct CompositeGlyphRecord DEFINE_SIZE_MIN (4); }; -struct composite_iter_t : hb_iter_with_fallback_t<composite_iter_t, const CompositeGlyphRecord &> -{ - typedef const CompositeGlyphRecord *__item_t__; - composite_iter_t (hb_bytes_t glyph_, __item_t__ current_) : - glyph (glyph_), current (nullptr), current_size (0) - { - set_current (current_); - } - - composite_iter_t () : glyph (hb_bytes_t ()), current (nullptr), current_size (0) {} - - item_t __item__ () const { return *current; } - bool __more__ () const { return current; } - void __next__ () - { - if (!current->has_more ()) { current = nullptr; return; } - - set_current (&StructAtOffset<CompositeGlyphRecord> (current, current_size)); - } - composite_iter_t __end__ () const { return composite_iter_t (); } - bool operator != (const composite_iter_t& o) const - { return current != o.current; } - - - void set_current (__item_t__ current_) - { - if (!glyph.check_range (current_, CompositeGlyphRecord::min_size)) - { - current = nullptr; - current_size = 0; - return; - } - unsigned size = current_->get_size (); - if (!glyph.check_range (current_, size)) - { - current = nullptr; - current_size = 0; - return; - } - - current = current_; - current_size = size; - } - - private: - hb_bytes_t glyph; - __item_t__ current; - unsigned current_size; -}; +using composite_iter_t = composite_iter_tmpl<CompositeGlyphRecord>; struct CompositeGlyph { @@ -382,7 +335,7 @@ struct CompositeGlyph unsigned comp_len = component.get_size (); if (component.is_anchored ()) { - memcpy (p, &component, comp_len); + hb_memcpy (p, &component, comp_len); p += comp_len; } else @@ -398,7 +351,7 @@ struct CompositeGlyph if (source_len > source_comp_len) { unsigned instr_len = source_len - source_comp_len; - memcpy (p, (const char *)c + source_comp_len, instr_len); + hb_memcpy (p, (const char *)c + source_comp_len, instr_len); p += instr_len; } diff --git a/thirdparty/harfbuzz/src/OT/glyf/Glyph.hh b/thirdparty/harfbuzz/src/OT/glyf/Glyph.hh index 0b25659acc..b7215b0170 100644 --- a/thirdparty/harfbuzz/src/OT/glyf/Glyph.hh +++ b/thirdparty/harfbuzz/src/OT/glyf/Glyph.hh @@ -7,6 +7,8 @@ #include "GlyphHeader.hh" #include "SimpleGlyph.hh" #include "CompositeGlyph.hh" +#include "VarCompositeGlyph.hh" +#include "coord-setter.hh" namespace OT { @@ -16,6 +18,11 @@ struct glyf_accelerator_t; namespace glyf_impl { +#ifndef HB_GLYF_MAX_POINTS +#define HB_GLYF_MAX_POINTS 10000 +#endif + + enum phantom_point_index_t { PHANTOM_LEFT = 0, @@ -27,7 +34,7 @@ enum phantom_point_index_t struct Glyph { - enum glyph_type_t { EMPTY, SIMPLE, COMPOSITE }; + enum glyph_type_t { EMPTY, SIMPLE, COMPOSITE, VAR_COMPOSITE }; public: composite_iter_t get_composite_iterator () const @@ -35,6 +42,11 @@ struct Glyph if (type != COMPOSITE) return composite_iter_t (); return CompositeGlyph (*header, bytes).iter (); } + var_composite_iter_t get_var_composite_iterator () const + { + if (type != VAR_COMPOSITE) return var_composite_iter_t (); + return VarCompositeGlyph (*header, bytes).iter (); + } const hb_bytes_t trim_padding () const { @@ -108,25 +120,25 @@ struct Glyph if (unlikely (!glyph_header)) return false; } - int xMin = 0, xMax = 0; - int yMin = 0, yMax = 0; + float xMin = 0, xMax = 0; + float yMin = 0, yMax = 0; if (all_points.length > 4) { - xMin = xMax = roundf (all_points[0].x); - yMin = yMax = roundf (all_points[0].y); + xMin = xMax = all_points[0].x; + yMin = yMax = all_points[0].y; } for (unsigned i = 1; i < all_points.length - 4; i++) { - float rounded_x = roundf (all_points[i].x); - float rounded_y = roundf (all_points[i].y); - xMin = hb_min (xMin, rounded_x); - xMax = hb_max (xMax, rounded_x); - yMin = hb_min (yMin, rounded_y); - yMax = hb_max (yMax, rounded_y); + float x = all_points[i].x; + float y = all_points[i].y; + xMin = hb_min (xMin, x); + xMax = hb_max (xMax, x); + yMin = hb_min (yMin, y); + yMax = hb_max (yMax, y); } - update_mtx (plan, xMin, yMax, all_points); + update_mtx (plan, roundf (xMin), roundf (yMax), all_points); /*for empty glyphs: all_points only include phantom points. *just update metrics and then return */ @@ -134,10 +146,10 @@ struct Glyph return true; glyph_header->numberOfContours = header->numberOfContours; - glyph_header->xMin = xMin; - glyph_header->yMin = yMin; - glyph_header->xMax = xMax; - glyph_header->yMax = yMax; + glyph_header->xMin = roundf (xMin); + glyph_header->yMin = roundf (yMin); + glyph_header->xMax = roundf (xMax); + glyph_header->yMax = roundf (yMax); dest_bytes = hb_bytes_t ((const char *)glyph_header, GlyphHeader::static_size); return true; @@ -199,15 +211,24 @@ struct Glyph bool shift_points_hori = true, bool use_my_metrics = true, bool phantom_only = false, + hb_array_t<int> coords = hb_array_t<int> (), unsigned int depth = 0) const { if (unlikely (depth > HB_MAX_NESTING_LEVEL)) return false; + + if (!coords) + coords = hb_array (font->coords, font->num_coords); + contour_point_vector_t stack_points; bool inplace = type == SIMPLE && all_points.length == 0; /* Load into all_points if it's empty, as an optimization. */ contour_point_vector_t &points = inplace ? all_points : stack_points; switch (type) { + case SIMPLE: + if (unlikely (!SimpleGlyph (*header, bytes).get_contour_points (points, phantom_only))) + return false; + break; case COMPOSITE: { /* pseudo component points for each component in composite glyph */ @@ -215,20 +236,25 @@ struct Glyph if (unlikely (!points.resize (num_points))) return false; break; } - case SIMPLE: - if (unlikely (!SimpleGlyph (*header, bytes).get_contour_points (points, phantom_only))) - return false; +#ifndef HB_NO_VAR_COMPOSITES + case VAR_COMPOSITE: + { + for (auto &item : get_var_composite_iterator ()) + if (unlikely (!item.get_points (points))) return false; + } +#endif + default: break; } /* Init phantom points */ if (unlikely (!points.resize (points.length + PHANTOM_COUNT))) return false; - hb_array_t<contour_point_t> phantoms = points.sub_array (points.length - PHANTOM_COUNT, PHANTOM_COUNT); + hb_array_t<contour_point_t> phantoms = points.as_array ().sub_array (points.length - PHANTOM_COUNT, PHANTOM_COUNT); { int lsb = 0; int h_delta = glyf_accelerator.hmtx->get_leading_bearing_without_var_unscaled (gid, &lsb) ? (int) header->xMin - lsb : 0; - int tsb = 0; + HB_UNUSED int tsb = 0; int v_orig = (int) header->yMax + #ifndef HB_NO_VERTICAL ((void) glyf_accelerator.vmtx->get_leading_bearing_without_var_unscaled (gid, &tsb), tsb) @@ -257,7 +283,9 @@ struct Glyph } #ifndef HB_NO_VAR - glyf_accelerator.gvar->apply_deltas_to_points (gid, font, points.as_array ()); + glyf_accelerator.gvar->apply_deltas_to_points (gid, + coords, + points.as_array ()); #endif // mainly used by CompositeGlyph calculating new X/Y offset value so no need to extend it @@ -283,11 +311,24 @@ struct Glyph for (auto &item : get_composite_iterator ()) { comp_points.reset (); + if (unlikely (!glyf_accelerator.glyph_for_gid (item.get_gid ()) - .get_points (font, glyf_accelerator, comp_points, - deltas, shift_points_hori, use_my_metrics, phantom_only, depth + 1))) + .get_points (font, + glyf_accelerator, + comp_points, + deltas, + shift_points_hori, + use_my_metrics, + phantom_only, + coords, + depth + 1))) return false; + /* Copy phantom points from component if USE_MY_METRICS flag set */ + if (use_my_metrics && item.is_use_my_metrics ()) + for (unsigned int i = 0; i < PHANTOM_COUNT; i++) + phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i]; + /* Apply component transformation & translation */ item.transform_points (comp_points); @@ -308,20 +349,63 @@ struct Glyph } } + all_points.extend (comp_points.as_array ().sub_array (0, comp_points.length - PHANTOM_COUNT)); + + if (all_points.length > HB_GLYF_MAX_POINTS) + return false; + + comp_index++; + } + + all_points.extend (phantoms); + } break; +#ifndef HB_NO_VAR_COMPOSITES + case VAR_COMPOSITE: + { + contour_point_vector_t comp_points; + hb_array_t<contour_point_t> points_left = points.as_array (); + for (auto &item : get_var_composite_iterator ()) + { + hb_array_t<contour_point_t> record_points = points_left.sub_array (0, item.get_num_points ()); + + comp_points.reset (); + + coord_setter_t coord_setter (coords); + item.set_variations (coord_setter, record_points); + + if (unlikely (!glyf_accelerator.glyph_for_gid (item.get_gid ()) + .get_points (font, + glyf_accelerator, + comp_points, + deltas, + shift_points_hori, + use_my_metrics, + phantom_only, + coord_setter.get_coords (), + depth + 1))) + return false; + + /* Apply component transformation */ + item.transform_points (record_points, comp_points); + /* Copy phantom points from component if USE_MY_METRICS flag set */ if (use_my_metrics && item.is_use_my_metrics ()) for (unsigned int i = 0; i < PHANTOM_COUNT; i++) phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i]; - all_points.extend (comp_points.sub_array (0, comp_points.length - PHANTOM_COUNT)); + all_points.extend (comp_points.as_array ().sub_array (0, comp_points.length - PHANTOM_COUNT)); - comp_index++; - } + if (all_points.length > HB_GLYF_MAX_POINTS) + return false; + points_left += item.get_num_points (); + } all_points.extend (phantoms); } break; +#endif default: all_points.extend (phantoms); + break; } if (depth == 0 && shift_points_hori) /* Apply at top level */ @@ -360,6 +444,7 @@ struct Glyph int num_contours = header->numberOfContours; if (unlikely (num_contours == 0)) type = EMPTY; else if (num_contours > 0) type = SIMPLE; + else if (num_contours == -2) type = VAR_COMPOSITE; else type = COMPOSITE; /* negative numbers */ } 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; diff --git a/thirdparty/harfbuzz/src/OT/glyf/SubsetGlyph.hh b/thirdparty/harfbuzz/src/OT/glyf/SubsetGlyph.hh index 88fc93c435..1a0370c757 100644 --- a/thirdparty/harfbuzz/src/OT/glyf/SubsetGlyph.hh +++ b/thirdparty/harfbuzz/src/OT/glyf/SubsetGlyph.hh @@ -21,10 +21,18 @@ struct SubsetGlyph bool serialize (hb_serialize_context_t *c, bool use_short_loca, - const hb_subset_plan_t *plan) const + const hb_subset_plan_t *plan, + hb_font_t *font) { TRACE_SERIALIZE (this); + if (font) + { + const OT::glyf_accelerator_t &glyf = *font->face->table.glyf; + if (!this->compile_bytes_with_deltas (plan, font, glyf)) + return_trace (false); + } + hb_bytes_t dest_glyph = dest_start.copy (c); dest_glyph = hb_bytes_t (&dest_glyph, dest_glyph.length + dest_end.copy (c).length); unsigned int pad_length = use_short_loca ? padding () : 0; diff --git a/thirdparty/harfbuzz/src/OT/glyf/VarCompositeGlyph.hh b/thirdparty/harfbuzz/src/OT/glyf/VarCompositeGlyph.hh new file mode 100644 index 0000000000..0f4c71c83d --- /dev/null +++ b/thirdparty/harfbuzz/src/OT/glyf/VarCompositeGlyph.hh @@ -0,0 +1,353 @@ +#ifndef OT_GLYF_VARCOMPOSITEGLYPH_HH +#define OT_GLYF_VARCOMPOSITEGLYPH_HH + + +#include "../../hb-open-type.hh" +#include "coord-setter.hh" + + +namespace OT { +namespace glyf_impl { + + +struct VarCompositeGlyphRecord +{ + protected: + enum var_composite_glyph_flag_t + { + USE_MY_METRICS = 0x0001, + AXIS_INDICES_ARE_SHORT = 0x0002, + UNIFORM_SCALE = 0x0004, + HAVE_TRANSLATE_X = 0x0008, + HAVE_TRANSLATE_Y = 0x0010, + HAVE_ROTATION = 0x0020, + HAVE_SCALE_X = 0x0040, + HAVE_SCALE_Y = 0x0080, + HAVE_SKEW_X = 0x0100, + HAVE_SKEW_Y = 0x0200, + HAVE_TCENTER_X = 0x0400, + HAVE_TCENTER_Y = 0x0800, + GID_IS_24 = 0x1000, + AXES_HAVE_VARIATION = 0x2000, + }; + + public: + + unsigned int get_size () const + { + unsigned int size = min_size; + + unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 4 : 3; + size += numAxes * axis_width; + + // gid + size += 2; + if (flags & GID_IS_24) size += 1; + + if (flags & HAVE_TRANSLATE_X) size += 2; + if (flags & HAVE_TRANSLATE_Y) size += 2; + if (flags & HAVE_ROTATION) size += 2; + if (flags & HAVE_SCALE_X) size += 2; + if (flags & HAVE_SCALE_Y) size += 2; + if (flags & HAVE_SKEW_X) size += 2; + if (flags & HAVE_SKEW_Y) size += 2; + if (flags & HAVE_TCENTER_X) size += 2; + if (flags & HAVE_TCENTER_Y) size += 2; + + return size; + } + + bool has_more () const { return true; } + + bool is_use_my_metrics () const { return flags & USE_MY_METRICS; } + + hb_codepoint_t get_gid () const + { + if (flags & GID_IS_24) + return StructAfter<const HBGlyphID24> (numAxes); + else + return StructAfter<const HBGlyphID16> (numAxes); + } + + unsigned get_numAxes () const + { + return numAxes; + } + + unsigned get_num_points () const + { + unsigned num = 0; + if (flags & AXES_HAVE_VARIATION) num += numAxes; + if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y)) num++; + if (flags & HAVE_ROTATION) num++; + if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y)) num++; + if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y)) num++; + if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y)) num++; + return num; + } + + void transform_points (hb_array_t<contour_point_t> record_points, + contour_point_vector_t &points) const + { + float matrix[4]; + contour_point_t trans; + + get_transformation_from_points (record_points, matrix, trans); + + points.transform (matrix); + points.translate (trans); + } + + static inline void transform (float (&matrix)[4], contour_point_t &trans, + float (other)[6]) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L268 + float xx1 = other[0]; + float xy1 = other[1]; + float yx1 = other[2]; + float yy1 = other[3]; + float dx1 = other[4]; + float dy1 = other[5]; + float xx2 = matrix[0]; + float xy2 = matrix[1]; + float yx2 = matrix[2]; + float yy2 = matrix[3]; + float dx2 = trans.x; + float dy2 = trans.y; + + matrix[0] = xx1*xx2 + xy1*yx2; + matrix[1] = xx1*xy2 + xy1*yy2; + matrix[2] = yx1*xx2 + yy1*yx2; + matrix[3] = yx1*xy2 + yy1*yy2; + trans.x = xx2*dx1 + yx2*dy1 + dx2; + trans.y = xy2*dx1 + yy2*dy1 + dy2; + } + + static void translate (float (&matrix)[4], contour_point_t &trans, + float translateX, float translateY) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L213 + float other[6] = {1.f, 0.f, 0.f, 1.f, translateX, translateY}; + transform (matrix, trans, other); + } + + static void scale (float (&matrix)[4], contour_point_t &trans, + float scaleX, float scaleY) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L224 + float other[6] = {scaleX, 0.f, 0.f, scaleY, 0.f, 0.f}; + transform (matrix, trans, other); + } + + static void rotate (float (&matrix)[4], contour_point_t &trans, + float rotation) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L240 + rotation = rotation * float (M_PI); + float c = cosf (rotation); + float s = sinf (rotation); + float other[6] = {c, s, -s, c, 0.f, 0.f}; + transform (matrix, trans, other); + } + + static void skew (float (&matrix)[4], contour_point_t &trans, + float skewX, float skewY) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L255 + skewX = skewX * float (M_PI); + skewY = skewY * float (M_PI); + float other[6] = {1.f, tanf (skewY), tanf (skewX), 1.f, 0.f, 0.f}; + transform (matrix, trans, other); + } + + bool get_points (contour_point_vector_t &points) const + { + float translateX = 0.f; + float translateY = 0.f; + float rotation = 0.f; + float scaleX = 1.f * (1 << 12); + float scaleY = 1.f * (1 << 12); + float skewX = 0.f; + float skewY = 0.f; + float tCenterX = 0.f; + float tCenterY = 0.f; + + if (unlikely (!points.resize (points.length + get_num_points ()))) return false; + + unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 2 : 1; + unsigned axes_size = numAxes * axis_width; + + const F2DOT14 *q = (const F2DOT14 *) (axes_size + + (flags & GID_IS_24 ? 3 : 2) + + &StructAfter<const HBUINT8> (numAxes)); + + hb_array_t<contour_point_t> rec_points = points.as_array ().sub_array (points.length - get_num_points ()); + + unsigned count = numAxes; + if (flags & AXES_HAVE_VARIATION) + { + for (unsigned i = 0; i < count; i++) + rec_points[i].x = *q++; + rec_points += count; + } + else + q += count; + + const HBUINT16 *p = (const HBUINT16 *) q; + + if (flags & HAVE_TRANSLATE_X) translateX = * (const FWORD *) p++; + if (flags & HAVE_TRANSLATE_Y) translateY = * (const FWORD *) p++; + if (flags & HAVE_ROTATION) rotation = * (const F2DOT14 *) p++; + if (flags & HAVE_SCALE_X) scaleX = * (const F4DOT12 *) p++; + if (flags & HAVE_SCALE_Y) scaleY = * (const F4DOT12 *) p++; + if (flags & HAVE_SKEW_X) skewX = * (const F2DOT14 *) p++; + if (flags & HAVE_SKEW_Y) skewY = * (const F2DOT14 *) p++; + if (flags & HAVE_TCENTER_X) tCenterX = * (const FWORD *) p++; + if (flags & HAVE_TCENTER_Y) tCenterY = * (const FWORD *) p++; + + if ((flags & UNIFORM_SCALE) && !(flags & HAVE_SCALE_Y)) + scaleY = scaleX; + + if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y)) + { + rec_points[0].x = translateX; + rec_points[0].y = translateY; + rec_points++; + } + if (flags & HAVE_ROTATION) + { + rec_points[0].x = rotation; + rec_points++; + } + if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y)) + { + rec_points[0].x = scaleX; + rec_points[0].y = scaleY; + rec_points++; + } + if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y)) + { + rec_points[0].x = skewX; + rec_points[0].y = skewY; + rec_points++; + } + if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y)) + { + rec_points[0].x = tCenterX; + rec_points[0].y = tCenterY; + rec_points++; + } + assert (!rec_points); + + return true; + } + + void get_transformation_from_points (hb_array_t<contour_point_t> rec_points, + float (&matrix)[4], contour_point_t &trans) const + { + if (flags & AXES_HAVE_VARIATION) + rec_points += numAxes; + + matrix[0] = matrix[3] = 1.f; + matrix[1] = matrix[2] = 0.f; + trans.init (0.f, 0.f); + + float translateX = 0.f; + float translateY = 0.f; + float rotation = 0.f; + float scaleX = 1.f; + float scaleY = 1.f; + float skewX = 0.f; + float skewY = 0.f; + float tCenterX = 0.f; + float tCenterY = 0.f; + + if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y)) + { + translateX = rec_points[0].x; + translateY = rec_points[0].y; + rec_points++; + } + if (flags & HAVE_ROTATION) + { + rotation = rec_points[0].x / (1 << 14); + rec_points++; + } + if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y)) + { + scaleX = rec_points[0].x / (1 << 12); + scaleY = rec_points[0].y / (1 << 12); + rec_points++; + } + if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y)) + { + skewX = rec_points[0].x / (1 << 14); + skewY = rec_points[0].y / (1 << 14); + rec_points++; + } + if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y)) + { + tCenterX = rec_points[0].x; + tCenterY = rec_points[0].y; + rec_points++; + } + assert (!rec_points); + + translate (matrix, trans, translateX + tCenterX, translateY + tCenterY); + rotate (matrix, trans, rotation); + scale (matrix, trans, scaleX, scaleY); + skew (matrix, trans, -skewX, skewY); + translate (matrix, trans, -tCenterX, -tCenterY); + } + + void set_variations (coord_setter_t &setter, + hb_array_t<contour_point_t> rec_points) const + { + bool have_variations = flags & AXES_HAVE_VARIATION; + unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 2 : 1; + + const HBUINT8 *p = (const HBUINT8 *) (((HBUINT8 *) &numAxes) + numAxes.static_size + (flags & GID_IS_24 ? 3 : 2)); + const HBUINT16 *q = (const HBUINT16 *) (((HBUINT8 *) &numAxes) + numAxes.static_size + (flags & GID_IS_24 ? 3 : 2)); + + const F2DOT14 *a = (const F2DOT14 *) ((HBUINT8 *) (axis_width == 1 ? (p + numAxes) : (HBUINT8 *) (q + numAxes))); + + unsigned count = numAxes; + for (unsigned i = 0; i < count; i++) + { + unsigned axis_index = axis_width == 1 ? (unsigned) *p++ : (unsigned) *q++; + + signed v = have_variations ? rec_points[i].x : *a++; + + v += setter[axis_index]; + v = hb_clamp (v, -(1<<14), (1<<14)); + setter[axis_index] = v; + } + } + + protected: + HBUINT16 flags; + HBUINT8 numAxes; + public: + DEFINE_SIZE_MIN (3); +}; + +using var_composite_iter_t = composite_iter_tmpl<VarCompositeGlyphRecord>; + +struct VarCompositeGlyph +{ + const GlyphHeader &header; + hb_bytes_t bytes; + VarCompositeGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) : + header (header_), bytes (bytes_) {} + + var_composite_iter_t iter () const + { return var_composite_iter_t (bytes, &StructAfter<VarCompositeGlyphRecord, GlyphHeader> (header)); } + +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_VARCOMPOSITEGLYPH_HH */ diff --git a/thirdparty/harfbuzz/src/OT/glyf/composite-iter.hh b/thirdparty/harfbuzz/src/OT/glyf/composite-iter.hh new file mode 100644 index 0000000000..d05701f3d1 --- /dev/null +++ b/thirdparty/harfbuzz/src/OT/glyf/composite-iter.hh @@ -0,0 +1,68 @@ +#ifndef OT_GLYF_COMPOSITE_ITER_HH +#define OT_GLYF_COMPOSITE_ITER_HH + + +#include "../../hb.hh" + + +namespace OT { +namespace glyf_impl { + + +template <typename CompositeGlyphRecord> +struct composite_iter_tmpl : hb_iter_with_fallback_t<composite_iter_tmpl<CompositeGlyphRecord>, + const CompositeGlyphRecord &> +{ + typedef const CompositeGlyphRecord *__item_t__; + composite_iter_tmpl (hb_bytes_t glyph_, __item_t__ current_) : + glyph (glyph_), current (nullptr), current_size (0) + { + set_current (current_); + } + + composite_iter_tmpl () : glyph (hb_bytes_t ()), current (nullptr), current_size (0) {} + + const CompositeGlyphRecord & __item__ () const { return *current; } + bool __more__ () const { return current; } + void __next__ () + { + if (!current->has_more ()) { current = nullptr; return; } + + set_current (&StructAtOffset<CompositeGlyphRecord> (current, current_size)); + } + composite_iter_tmpl __end__ () const { return composite_iter_tmpl (); } + bool operator != (const composite_iter_tmpl& o) const + { return current != o.current; } + + + void set_current (__item_t__ current_) + { + if (!glyph.check_range (current_, CompositeGlyphRecord::min_size)) + { + current = nullptr; + current_size = 0; + return; + } + unsigned size = current_->get_size (); + if (!glyph.check_range (current_, size)) + { + current = nullptr; + current_size = 0; + return; + } + + current = current_; + current_size = size; + } + + private: + hb_bytes_t glyph; + __item_t__ current; + unsigned current_size; +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + +#endif /* OT_GLYF_COMPOSITE_ITER_HH */ diff --git a/thirdparty/harfbuzz/src/OT/glyf/coord-setter.hh b/thirdparty/harfbuzz/src/OT/glyf/coord-setter.hh new file mode 100644 index 0000000000..df64ed5af7 --- /dev/null +++ b/thirdparty/harfbuzz/src/OT/glyf/coord-setter.hh @@ -0,0 +1,34 @@ +#ifndef OT_GLYF_COORD_SETTER_HH +#define OT_GLYF_COORD_SETTER_HH + + +#include "../../hb.hh" + + +namespace OT { +namespace glyf_impl { + + +struct coord_setter_t +{ + coord_setter_t (hb_array_t<int> coords) : + coords (coords) {} + + int& operator [] (unsigned idx) + { + if (coords.length < idx + 1) + coords.resize (idx + 1); + return coords[idx]; + } + + hb_array_t<int> get_coords () + { return coords.as_array (); } + + hb_vector_t<int> coords; +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + +#endif /* OT_GLYF_COORD_SETTER_HH */ diff --git a/thirdparty/harfbuzz/src/OT/glyf/glyf.hh b/thirdparty/harfbuzz/src/OT/glyf/glyf.hh index 5fb32f67f3..e6e985c38c 100644 --- a/thirdparty/harfbuzz/src/OT/glyf/glyf.hh +++ b/thirdparty/harfbuzz/src/OT/glyf/glyf.hh @@ -42,11 +42,15 @@ struct glyf bool serialize (hb_serialize_context_t *c, Iterator it, bool use_short_loca, - const hb_subset_plan_t *plan) + const hb_subset_plan_t *plan, + hb_font_t *font) { TRACE_SERIALIZE (this); + unsigned init_len = c->length (); - for (const auto &_ : it) _.serialize (c, use_short_loca, plan); + for (auto &_ : it) + if (unlikely (!_.serialize (c, use_short_loca, plan, font))) + return false; /* As a special case when all glyph in the font are empty, add a zero byte * to the table, so that OTS doesn’t reject it, and to make the table work @@ -74,10 +78,11 @@ struct glyf hb_vector_t<glyf_impl::SubsetGlyph> glyphs; _populate_subset_glyphs (c->plan, glyphs); + hb_font_t *font = nullptr; if (!c->plan->pinned_at_default) { - if (!_compile_subset_glyphs_with_deltas (c->plan, &glyphs)) - return_trace (false); + font = _create_font_for_instancing (c->plan); + if (unlikely (!font)) return false; } auto padded_offsets = @@ -85,11 +90,14 @@ struct glyf | hb_map (&glyf_impl::SubsetGlyph::padded_size) ; - unsigned max_offset = + padded_offsets | hb_reduce (hb_add, 0); - bool use_short_loca = max_offset < 0x1FFFF; - + bool use_short_loca = false; + if (likely (!c->plan->force_long_loca)) + { + unsigned max_offset = + padded_offsets | hb_reduce (hb_add, 0); + use_short_loca = max_offset < 0x1FFFF; + } - glyf_prime->serialize (c->serializer, hb_iter (glyphs), use_short_loca, c->plan); + glyf_prime->serialize (c->serializer, glyphs.writer (), use_short_loca, c->plan, font); if (!use_short_loca) { padded_offsets = + hb_iter (glyphs) @@ -97,9 +105,12 @@ struct glyf ; } - - if (!c->plan->pinned_at_default) + if (font) + { _free_compiled_subset_glyphs (&glyphs); + hb_font_destroy (font); + } + if (unlikely (c->serializer->in_error ())) return_trace (false); return_trace (c->serializer->check_success (glyf_impl::_add_loca_and_head (c->plan, padded_offsets, @@ -110,9 +121,8 @@ struct glyf _populate_subset_glyphs (const hb_subset_plan_t *plan, hb_vector_t<glyf_impl::SubsetGlyph> &glyphs /* OUT */) const; - bool - _compile_subset_glyphs_with_deltas (const hb_subset_plan_t *plan, - hb_vector_t<glyf_impl::SubsetGlyph> *glyphs /* OUT */) const; + hb_font_t * + _create_font_for_instancing (const hb_subset_plan_t *plan) const; void _free_compiled_subset_glyphs (hb_vector_t<glyf_impl::SubsetGlyph> *glyphs) const { @@ -394,7 +404,11 @@ glyf::_populate_subset_glyphs (const hb_subset_plan_t *plan, plan->pinned_at_default) subset_glyph.source_glyph = glyf_impl::Glyph (); else - subset_glyph.source_glyph = glyf.glyph_for_gid (subset_glyph.old_gid, true); + { + /* If plan has an accelerator, the preprocessing step already trimmed glyphs. + * Don't trim them again! */ + subset_glyph.source_glyph = glyf.glyph_for_gid (subset_glyph.old_gid, !plan->accelerator); + } if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING) subset_glyph.drop_hints_bytes (); @@ -403,17 +417,15 @@ glyf::_populate_subset_glyphs (const hb_subset_plan_t *plan, } } -inline bool -glyf::_compile_subset_glyphs_with_deltas (const hb_subset_plan_t *plan, - hb_vector_t<glyf_impl::SubsetGlyph> *glyphs /* OUT */) const +inline hb_font_t * +glyf::_create_font_for_instancing (const hb_subset_plan_t *plan) const { - OT::glyf_accelerator_t glyf (plan->source); hb_font_t *font = hb_font_create (plan->source); - if (unlikely (!font)) return false; + if (unlikely (font == hb_font_get_empty ())) return nullptr; hb_vector_t<hb_variation_t> vars; if (unlikely (!vars.alloc (plan->user_axes_location->get_population ()))) - return false; + return nullptr; for (auto _ : *plan->user_axes_location) { @@ -423,18 +435,10 @@ glyf::_compile_subset_glyphs_with_deltas (const hb_subset_plan_t *plan, vars.push (var); } +#ifndef HB_NO_VAR hb_font_set_variations (font, vars.arrayZ, plan->user_axes_location->get_population ()); - for (auto& subset_glyph : *glyphs) - { - if (!const_cast<glyf_impl::SubsetGlyph &> (subset_glyph).compile_bytes_with_deltas (plan, font, glyf)) - { - hb_font_destroy (font); - return false; - } - } - - hb_font_destroy (font); - return true; +#endif + return font; } |