diff options
Diffstat (limited to 'source/luametatex/source/tex/texmath.c')
| -rw-r--r-- | source/luametatex/source/tex/texmath.c | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/source/luametatex/source/tex/texmath.c b/source/luametatex/source/tex/texmath.c index 923ffa56e..e93714000 100644 --- a/source/luametatex/source/tex/texmath.c +++ b/source/luametatex/source/tex/texmath.c @@ -120,7 +120,7 @@ math_state_info lmt_math_state = { .last_left = 0, .last_right = 0, .last_atom = 0, - .scale = 1000, + .scale = scaling_factor, }; static int tex_aux_scan_math (halfword p, halfword style, int usetextfont, halfword toks, halfword toks_text, int nocomponent, halfword cls, halfword all); @@ -1410,8 +1410,8 @@ static void tex_aux_enter_display_math(halfword cmd) size = - max_dimen; } else { tex_line_break(1, math_display_group); - // size = tex_actual_box_width(lmt_linebreak_state.just_box, tex_x_over_n(tex_get_font_em_width(cur_font_par), 1000) * math_pre_display_gap_factor_par); - size = tex_actual_box_width(lmt_linebreak_state.just_box, scaledround((tex_get_font_em_width(cur_font_par) / 1000.0) * math_pre_display_gap_factor_par)); + // size = tex_actual_box_width(lmt_linebreak_state.just_box, tex_x_over_n(tex_get_font_em_width(cur_font_par), scaling_factor) * math_pre_display_gap_factor_par); + size = tex_actual_box_width(lmt_linebreak_state.just_box, scaledround((tex_get_font_em_width(cur_font_par) / scaling_factor_double) * math_pre_display_gap_factor_par)); } /*tex Now we are in vertical mode, working on the list that will contain the display. A displayed @@ -3655,8 +3655,8 @@ void tex_run_math_fraction(void) halfword mathclass = fraction_noad_subtype; halfword rulethickness = preset_rule_thickness; int ruledone = 0; - fraction_h_factor(fraction) = 1000; - fraction_v_factor(fraction) = 1000; + fraction_h_factor(fraction) = scaling_factor; + fraction_v_factor(fraction) = scaling_factor; switch (code) { case math_above_code: case math_above_delimited_code: @@ -4553,7 +4553,7 @@ static void tex_aux_finish_displayed_math(int atleft, halfword eqnumber, halfwor if (eqnumber) { number_width = box_width(eqnumber); eqno_width = number_width; - number_plus_gap_width = number_width + tex_round_xn_over_d(math_eqno_gap_step_par, tex_get_math_quad_style(text_style), 1000); + number_plus_gap_width = number_width + tex_round_xn_over_d(math_eqno_gap_step_par, tex_get_math_quad_style(text_style), scaling_factor); node_subtype(eqnumber) = equation_number_list; /*tex attach_current_attribute_list(eqno_box); */ } else { @@ -5200,14 +5200,14 @@ static void tex_aux_define_all_math_parameters(int size, int param, scaled value # define big_operator_spacing5(A) mathex(A,13) /*tex padding above and below displayed limits */ /*tex - Somehow a scale > 1000 results in extreme values. + Somehow a scale > scaling_factor results in extreme values. */ /* inline static int tex_aux_get_font_math_parameter(scaled scale, halfword f, int id) { scaled v = get_font_math_par(f, id); -// return scale == 1000 ? v : round_xn_over_d(v, scale, 1000); +// return scale == scaling_factor ? v : round_xn_over_d(v, scale, scaling_factor); if (v) { double d = 0.001 * scale * v; return (d < 0.0) ? (int) (d - 0.5) : (int) (d + 0.5); @@ -5218,7 +5218,7 @@ inline static int tex_aux_get_font_math_parameter(scaled scale, halfword f, int inline static int tex_aux_get_font_math_quantity(scaled scale, halfword v) { -// return scale == 1000 ? v : round_xn_over_d(v, scale, 1000); +// return scale == scaling_factor ? v : round_xn_over_d(v, scale, scaling_factor); if (v) { double d = 0.001 * scale * v; return (d < 0.0) ? (int) (d - 0.5) : (int) (d + 0.5); @@ -5328,8 +5328,8 @@ void tex_fixup_math_parameters(int fam, int size, int f, int level) /*tex Not all are official \OPENTYPE: */ - tex_aux_define_all_math_parameters(size, math_parameter_x_scale, 1000, level); - tex_aux_define_all_math_parameters(size, math_parameter_y_scale, 1000, level); + tex_aux_define_all_math_parameters(size, math_parameter_x_scale, scaling_factor, level); + tex_aux_define_all_math_parameters(size, math_parameter_y_scale, scaling_factor, level); /*tex Most are zero and have to be set at by the macro package (if at all):. */ @@ -5508,16 +5508,26 @@ static void tex_aux_set_math_atom_rule(halfword left, halfword right, halfword n tex_set_all_styles(math_parameter_rules_pair(left, right), (newleft << 16) + newright, level_one, indirect_math_regular); } +/*tex + + Originally a penalty of 10000 signaled that no penalty has to be included but because we want + to control penalties in nested sequences (like open and close bound sequences) we need to be + able to go up (multiply by a factor) or down (divide by a factor). Therefore we need to be able + to set a penalty to 10000 as a start. so that it will be ignored unless we apply a factor. For + that reason we now use 10001 instead. + +*/ + void tex_initialize_math_spacing(void) { for (int mathclass = 0; mathclass <= max_math_class_code; mathclass++) { tex_set_math_class_default(mathclass, mathclass, no_class_options); /*tex We do this here as there is no real need for yet another initializer. */ - tex_word_define(0, internal_int_location(first_math_pre_penalty_code + mathclass), infinite_penalty); - tex_word_define(0, internal_int_location(first_math_post_penalty_code + mathclass), infinite_penalty); - tex_word_define(0, internal_int_location(first_math_display_pre_penalty_code + mathclass), infinite_penalty); - tex_word_define(0, internal_int_location(first_math_display_post_penalty_code + mathclass), infinite_penalty); + tex_word_define(0, internal_int_location(first_math_pre_penalty_code + mathclass), math_default_penalty); + tex_word_define(0, internal_int_location(first_math_post_penalty_code + mathclass), math_default_penalty); + tex_word_define(0, internal_int_location(first_math_display_pre_penalty_code + mathclass), math_default_penalty); + tex_word_define(0, internal_int_location(first_math_display_post_penalty_code + mathclass), math_default_penalty); } tex_reset_all_styles(level_one); @@ -5658,8 +5668,8 @@ void tex_initialize_math_spacing(void) /* */ - tex_set_all_styles (math_parameter_x_scale, 1000, level_one, indirect_math_regular); - tex_set_all_styles (math_parameter_y_scale, 1000, level_one, indirect_math_regular); + tex_set_all_styles (math_parameter_x_scale, scaling_factor, level_one, indirect_math_regular); + tex_set_all_styles (math_parameter_y_scale, scaling_factor, level_one, indirect_math_regular); /* could be initialize_math_defaults */ @@ -5734,8 +5744,8 @@ static void tex_aux_math_parameter_error(int style, int param, const char *name) inline static scaled tex_aux_max_scale(int style, int param) { scaled scale = tex_get_math_parameter(style, param, NULL); - if (scale > 5000) { - return 5000; + if (scale > max_math_scaling_factor) { + return max_math_scaling_factor; } else if (scale < 0) { return 0; } else { |