%% %% This is file `l3coffins.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% l3coffins.dtx (with options: `package') %% %% EXPERIMENTAL CODE %% %% Do not distribute this file without also distributing the %% source files specified above. %% %% Do not distribute a modified version of this file. %% %% File: l3coffins.dtx Copyright(C) 2010-2012 The LaTeX3 Project %% %% It may be distributed and/or modified under the conditions of the %% LaTeX Project Public License (LPPL), either version 1.3c of this %% license or (at your option) any later version. The latest version %% of this license is in the file %% %% http://www.latex-project.org/lppl.txt %% %% This file is part of the "l3kernel bundle" (The Work in LPPL) %% and all files in that bundle must be distributed together. %% %% The released version of this bundle is available from CTAN. %% %% ----------------------------------------------------------------------- %% %% The development version of the bundle can be found at %% %% http://www.latex-project.org/svnroot/experimental/trunk/ %% %% for those people who are interested. %% %%%%%%%%%%% %% NOTE: %% %%%%%%%%%%% %% %% Snapshots taken from the repository represent work in progress and may %% not work or may contain conflicting material! We therefore ask %% people _not_ to put them into distributions, archives, etc. without %% prior consultation with the LaTeX Project Team. %% %% ----------------------------------------------------------------------- %% \RequirePackage{l3bootstrap} \GetIdInfo$Id: l3coffins.dtx 4212 2012-09-09 12:24:04Z bruno $ {L3 Coffin code layer} \ProvidesExplPackage {\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription} \__expl_package_check: \box_new:N \l__coffin_internal_box \dim_new:N \l__coffin_internal_dim \tl_new:N \l__coffin_internal_tl \prop_new:N \c__coffin_corners_prop \prop_put:Nnn \c__coffin_corners_prop { tl } { { 0 pt } { 0 pt } } \prop_put:Nnn \c__coffin_corners_prop { tr } { { 0 pt } { 0 pt } } \prop_put:Nnn \c__coffin_corners_prop { bl } { { 0 pt } { 0 pt } } \prop_put:Nnn \c__coffin_corners_prop { br } { { 0 pt } { 0 pt } } \prop_new:N \c__coffin_poles_prop \tl_set:Nn \l__coffin_internal_tl { { 0 pt } { 0 pt } { 0 pt } { 1000 pt } } \prop_put:Nno \c__coffin_poles_prop { l } { \l__coffin_internal_tl } \prop_put:Nno \c__coffin_poles_prop { hc } { \l__coffin_internal_tl } \prop_put:Nno \c__coffin_poles_prop { r } { \l__coffin_internal_tl } \tl_set:Nn \l__coffin_internal_tl { { 0 pt } { 0 pt } { 1000 pt } { 0 pt } } \prop_put:Nno \c__coffin_poles_prop { b } { \l__coffin_internal_tl } \prop_put:Nno \c__coffin_poles_prop { vc } { \l__coffin_internal_tl } \prop_put:Nno \c__coffin_poles_prop { t } { \l__coffin_internal_tl } \prop_put:Nno \c__coffin_poles_prop { B } { \l__coffin_internal_tl } \prop_put:Nno \c__coffin_poles_prop { H } { \l__coffin_internal_tl } \prop_put:Nno \c__coffin_poles_prop { T } { \l__coffin_internal_tl } \fp_new:N \l__coffin_slope_x_fp \fp_new:N \l__coffin_slope_y_fp \bool_new:N \l__coffin_error_bool \dim_new:N \l__coffin_offset_x_dim \dim_new:N \l__coffin_offset_y_dim \tl_new:N \l__coffin_pole_a_tl \tl_new:N \l__coffin_pole_b_tl \dim_new:N \l__coffin_x_dim \dim_new:N \l__coffin_y_dim \dim_new:N \l__coffin_x_prime_dim \dim_new:N \l__coffin_y_prime_dim \prg_new_conditional:Npnn \coffin_if_exist:N #1 { p , T , F , TF } { \cs_if_exist:NTF #1 { \cs_if_exist:cTF { l__coffin_poles_ \__int_value:w #1 _prop } { \prg_return_true: } { \prg_return_false: } } { \prg_return_false: } } \cs_generate_variant:Nn \coffin_if_exist_p:N { c } \cs_generate_variant:Nn \coffin_if_exist:NT { c } \cs_generate_variant:Nn \coffin_if_exist:NF { c } \cs_generate_variant:Nn \coffin_if_exist:NTF { c } \cs_new_protected:Npn \__coffin_if_exist:NT #1#2 { \coffin_if_exist:NTF #1 { #2 } { \__msg_kernel_error:nnx { kernel } { unknown-coffin } { \token_to_str:N #1 } } } \cs_new_protected:Npn \coffin_clear:N #1 { \__coffin_if_exist:NT #1 { \box_clear:N #1 \__coffin_reset_structure:N #1 } } \cs_generate_variant:Nn \coffin_clear:N { c } \cs_new_protected:Npn \coffin_new:N #1 { \box_new:N #1 \prop_clear_new:c { l__coffin_corners_ \__int_value:w #1 _prop } \prop_clear_new:c { l__coffin_poles_ \__int_value:w #1 _prop } \prop_gset_eq:cN { l__coffin_corners_ \__int_value:w #1 _prop } \c__coffin_corners_prop \prop_gset_eq:cN { l__coffin_poles_ \__int_value:w #1 _prop } \c__coffin_poles_prop } \cs_generate_variant:Nn \coffin_new:N { c } \cs_new_protected:Npn \hcoffin_set:Nn #1#2 { \__coffin_if_exist:NT #1 { \hbox_set:Nn #1 { \color_group_begin: \color_ensure_current: #2 \color_group_end: } \__coffin_reset_structure:N #1 \__coffin_update_poles:N #1 \__coffin_update_corners:N #1 } } \cs_generate_variant:Nn \hcoffin_set:Nn { c } \cs_new_protected:Npn \vcoffin_set:Nnn #1#2#3 { \__coffin_if_exist:NT #1 { \vbox_set:Nn #1 { \dim_set:Nn \tex_hsize:D {#2} \dim_set_eq:NN \linewidth \tex_hsize:D \dim_set_eq:NN \columnwidth \tex_hsize:D \color_group_begin: #3 \color_group_end: } \__coffin_reset_structure:N #1 \__coffin_update_poles:N #1 \__coffin_update_corners:N #1 \vbox_set_top:Nn \l__coffin_internal_box { \vbox_unpack:N #1 } \__coffin_set_pole:Nnx #1 { T } { { 0 pt } { \dim_eval:n { \box_ht:N #1 - \box_ht:N \l__coffin_internal_box } } { 1000 pt } { 0 pt } } \box_clear:N \l__coffin_internal_box } } \cs_generate_variant:Nn \vcoffin_set:Nnn { c } \cs_new_protected:Npn \hcoffin_set:Nw #1 { \__coffin_if_exist:NT #1 { \hbox_set:Nw #1 \color_group_begin: \color_ensure_current: \cs_set_protected_nopar:Npn \hcoffin_set_end: { \color_group_end: \hbox_set_end: \__coffin_reset_structure:N #1 \__coffin_update_poles:N #1 \__coffin_update_corners:N #1 } } } \cs_new_protected_nopar:Npn \hcoffin_set_end: { } \cs_generate_variant:Nn \hcoffin_set:Nw { c } \cs_new_protected:Npn \vcoffin_set:Nnw #1#2 { \__coffin_if_exist:NT #1 { \vbox_set:Nw #1 \dim_set:Nn \tex_hsize:D {#2} \dim_set_eq:NN \linewidth \tex_hsize:D \dim_set_eq:NN \columnwidth \tex_hsize:D \color_group_begin: \color_ensure_current: \cs_set_protected:Npn \vcoffin_set_end: { \color_group_end: \vbox_set_end: \__coffin_reset_structure:N #1 \__coffin_update_poles:N #1 \__coffin_update_corners:N #1 \vbox_set_top:Nn \l__coffin_internal_box { \vbox_unpack:N #1 } \__coffin_set_pole:Nnx #1 { T } { { 0 pt } { \dim_eval:n { \box_ht:N #1 - \box_ht:N \l__coffin_internal_box } } { 1000 pt } { 0 pt } } \box_clear:N \l__coffin_internal_box } } } \cs_new_protected_nopar:Npn \vcoffin_set_end: { } \cs_generate_variant:Nn \vcoffin_set:Nnw { c } \cs_new_protected:Npn \coffin_set_eq:NN #1#2 { \__coffin_if_exist:NT #1 { \box_set_eq:NN #1 #2 \__coffin_set_eq_structure:NN #1 #2 } } \cs_generate_variant:Nn \coffin_set_eq:NN { c , Nc , cc } \coffin_new:N \c_empty_coffin \hbox_set:Nn \c_empty_coffin { } \coffin_new:N \l__coffin_aligned_coffin \coffin_new:N \l__coffin_aligned_internal_coffin \coffin_new:N \l_tmpa_coffin \coffin_new:N \l_tmpb_coffin \cs_new_eq:NN \coffin_dp:N \box_dp:N \cs_new_eq:NN \coffin_dp:c \box_dp:c \cs_new_eq:NN \coffin_ht:N \box_ht:N \cs_new_eq:NN \coffin_ht:c \box_ht:c \cs_new_eq:NN \coffin_wd:N \box_wd:N \cs_new_eq:NN \coffin_wd:c \box_wd:c \cs_new_protected:Npn \__coffin_get_pole:NnN #1#2#3 { \prop_get:cnNF { l__coffin_poles_ \__int_value:w #1 _prop } {#2} #3 { \__msg_kernel_error:nnxx { kernel } { unknown-coffin-pole } {#2} { \token_to_str:N #1 } \tl_set:Nn #3 { { 0 pt } { 0 pt } { 0 pt } { 0 pt } } } } \cs_new_protected:Npn \__coffin_reset_structure:N #1 { \prop_set_eq:cN { l__coffin_corners_ \__int_value:w #1 _prop } \c__coffin_corners_prop \prop_set_eq:cN { l__coffin_poles_ \__int_value:w #1 _prop } \c__coffin_poles_prop } \cs_new_protected:Npn \__coffin_set_eq_structure:NN #1#2 { \prop_set_eq:cc { l__coffin_corners_ \__int_value:w #1 _prop } { l__coffin_corners_ \__int_value:w #2 _prop } \prop_set_eq:cc { l__coffin_poles_ \__int_value:w #1 _prop } { l__coffin_poles_ \__int_value:w #2 _prop } } \cs_new_protected:Npn \__coffin_gset_eq_structure:NN #1#2 { \prop_gset_eq:cc { l__coffin_corners_ \__int_value:w #1 _prop } { l__coffin_corners_ \__int_value:w #2 _prop } \prop_gset_eq:cc { l__coffin_poles_ \__int_value:w #1 _prop } { l__coffin_poles_ \__int_value:w #2 _prop } } \cs_new_protected:Npn \coffin_set_horizontal_pole:Nnn #1#2#3 { \__coffin_if_exist:NT #1 { \__coffin_set_pole:Nnx #1 {#2} { { 0 pt } { \dim_eval:n {#3} } { 1000 pt } { 0 pt } } } } \cs_new_protected:Npn \coffin_set_vertical_pole:Nnn #1#2#3 { \__coffin_if_exist:NT #1 { \__coffin_set_pole:Nnx #1 {#2} { { \dim_eval:n {#3} } { 0 pt } { 0 pt } { 1000 pt } } } } \cs_new_protected:Npn \__coffin_set_pole:Nnn #1#2#3 { \prop_put:cnn { l__coffin_poles_ \__int_value:w #1 _prop } {#2} {#3} } \cs_generate_variant:Nn \coffin_set_horizontal_pole:Nnn { c } \cs_generate_variant:Nn \coffin_set_vertical_pole:Nnn { c } \cs_generate_variant:Nn \__coffin_set_pole:Nnn { Nnx } \cs_new_protected:Npn \__coffin_update_corners:N #1 { \prop_put:cnx { l__coffin_corners_ \__int_value:w #1 _prop } { tl } { { 0 pt } { \dim_use:N \box_ht:N #1 } } \prop_put:cnx { l__coffin_corners_ \__int_value:w #1 _prop } { tr } { { \dim_use:N \box_wd:N #1 } { \dim_use:N \box_ht:N #1 } } \prop_put:cnx { l__coffin_corners_ \__int_value:w #1 _prop } { bl } { { 0 pt } { \dim_eval:n { - \box_dp:N #1 } } } \prop_put:cnx { l__coffin_corners_ \__int_value:w #1 _prop } { br } { { \dim_use:N \box_wd:N #1 } { \dim_eval:n { - \box_dp:N #1 } } } } \cs_new_protected:Npn \__coffin_update_poles:N #1 { \prop_put:cnx { l__coffin_poles_ \__int_value:w #1 _prop } { hc } { { \dim_eval:n { 0.5 \box_wd:N #1 } } { 0 pt } { 0 pt } { 1000 pt } } \prop_put:cnx { l__coffin_poles_ \__int_value:w #1 _prop } { r } { { \dim_use:N \box_wd:N #1 } { 0 pt } { 0 pt } { 1000 pt } } \prop_put:cnx { l__coffin_poles_ \__int_value:w #1 _prop } { vc } { { 0 pt } { \dim_eval:n { ( \box_ht:N #1 - \box_dp:N #1 ) / 2 } } { 1000 pt } { 0 pt } } \prop_put:cnx { l__coffin_poles_ \__int_value:w #1 _prop } { t } { { 0 pt } { \dim_use:N \box_ht:N #1 } { 1000 pt } { 0 pt } } \prop_put:cnx { l__coffin_poles_ \__int_value:w #1 _prop } { b } { { 0 pt } { \dim_eval:n { - \box_dp:N #1 } } { 1000 pt } { 0 pt } } } \cs_new_protected:Npn \__coffin_calculate_intersection:Nnn #1#2#3 { \__coffin_get_pole:NnN #1 {#2} \l__coffin_pole_a_tl \__coffin_get_pole:NnN #1 {#3} \l__coffin_pole_b_tl \bool_set_false:N \l__coffin_error_bool \exp_last_two_unbraced:Noo \__coffin_calculate_intersection:nnnnnnnn \l__coffin_pole_a_tl \l__coffin_pole_b_tl \bool_if:NT \l__coffin_error_bool { \__msg_kernel_error:nn { kernel } { no-pole-intersection } \dim_zero:N \l__coffin_x_dim \dim_zero:N \l__coffin_y_dim } } \cs_new_protected:Npn \__coffin_calculate_intersection:nnnnnnnn #1#2#3#4#5#6#7#8 { \dim_compare:nNnTF {#3} = { \c_zero_dim } { \dim_set:Nn \l__coffin_x_dim {#1} \dim_compare:nNnTF {#7} = \c_zero_dim { \bool_set_true:N \l__coffin_error_bool } { \dim_compare:nNnTF {#8} = \c_zero_dim { \dim_set:Nn \l__coffin_y_dim {#6} } { \__coffin_calculate_intersection_aux:nnnnnN {#1} {#5} {#6} {#7} {#8} \l__coffin_y_dim } } } { \dim_compare:nNnTF {#4} = \c_zero_dim { \dim_set:Nn \l__coffin_y_dim {#2} \dim_compare:nNnTF {#8} = { \c_zero_dim } { \bool_set_true:N \l__coffin_error_bool } { \dim_compare:nNnTF {#7} = \c_zero_dim { \dim_set:Nn \l__coffin_x_dim {#5} } { \__coffin_calculate_intersection_aux:nnnnnN {#2} {#6} {#5} {#8} {#7} \l__coffin_x_dim } } } { \dim_compare:nNnTF {#7} = \c_zero_dim { \dim_set:Nn \l__coffin_x_dim {#5} \__coffin_calculate_intersection_aux:nnnnnN {#5} {#1} {#2} {#3} {#4} \l__coffin_y_dim } { \dim_compare:nNnTF {#8} = \c_zero_dim { \dim_set:Nn \l__coffin_x_dim {#6} \__coffin_calculate_intersection_aux:nnnnnN {#6} {#2} {#1} {#4} {#3} \l__coffin_x_dim } { \fp_set:Nn \l__coffin_slope_x_fp { \dim_to_fp:n {#4} / \dim_to_fp:n {#3} } \fp_set:Nn \l__coffin_slope_y_fp { \dim_to_fp:n {#8} / \dim_to_fp:n {#7} } \fp_compare:nNnTF \l__coffin_slope_x_fp = \l__coffin_slope_y_fp { \bool_set_true:N \l__coffin_error_bool } { \dim_set:Nn \l__coffin_x_dim { \fp_to_dim:n { ( \dim_to_fp:n {#1} * \l__coffin_slope_x_fp - ( \dim_to_fp:n {#5} * \l__coffin_slope_y_fp ) - \dim_to_fp:n {#2} + \dim_to_fp:n {#6} ) / ( \l__coffin_slope_x_fp - \l__coffin_slope_y_fp ) } } \__coffin_calculate_intersection_aux:nnnnnN { \l__coffin_x_dim } {#5} {#6} {#8} {#7} \l__coffin_y_dim } } } } } } \cs_new_protected:Npn \__coffin_calculate_intersection_aux:nnnnnN #1#2#3#4#5#6 { \dim_set:Nn #6 { \fp_to_dim:n { \dim_to_fp:n {#4} * ( \dim_to_fp:n {#1} - \dim_to_fp:n {#2} ) / \dim_to_fp:n {#5} + \dim_to_fp:n {#3} } } } \cs_new_protected:Npn \coffin_join:NnnNnnnn #1#2#3#4#5#6#7#8 { \__coffin_align:NnnNnnnnN #1 {#2} {#3} #4 {#5} {#6} {#7} {#8} \l__coffin_aligned_coffin \hbox_set:Nn \l__coffin_aligned_coffin { \dim_compare:nNnT { \l__coffin_offset_x_dim } < \c_zero_dim { \tex_kern:D -\l__coffin_offset_x_dim } \hbox_unpack:N \l__coffin_aligned_coffin \dim_set:Nn \l__coffin_internal_dim { \l__coffin_offset_x_dim - \box_wd:N #1 + \box_wd:N #4 } \dim_compare:nNnT \l__coffin_internal_dim < \c_zero_dim { \tex_kern:D -\l__coffin_internal_dim } } \__coffin_reset_structure:N \l__coffin_aligned_coffin \prop_clear:c { l__coffin_corners_ \__int_value:w \l__coffin_aligned_coffin _ prop } \__coffin_update_poles:N \l__coffin_aligned_coffin \dim_compare:nNnTF \l__coffin_offset_x_dim < \c_zero_dim { \__coffin_offset_poles:Nnn #1 { -\l__coffin_offset_x_dim } { 0 pt } \__coffin_offset_poles:Nnn #4 { 0 pt } { \l__coffin_offset_y_dim } \__coffin_offset_corners:Nnn #1 { -\l__coffin_offset_x_dim } { 0 pt } \__coffin_offset_corners:Nnn #4 { 0 pt } { \l__coffin_offset_y_dim } } { \__coffin_offset_poles:Nnn #1 { 0 pt } { 0 pt } \__coffin_offset_poles:Nnn #4 { \l__coffin_offset_x_dim } { \l__coffin_offset_y_dim } \__coffin_offset_corners:Nnn #1 { 0 pt } { 0 pt } \__coffin_offset_corners:Nnn #4 { \l__coffin_offset_x_dim } { \l__coffin_offset_y_dim } } \__coffin_update_vertical_poles:NNN #1 #4 \l__coffin_aligned_coffin \coffin_set_eq:NN #1 \l__coffin_aligned_coffin } \cs_generate_variant:Nn \coffin_join:NnnNnnnn { c , Nnnc , cnnc } \cs_new_protected:Npn \coffin_attach:NnnNnnnn #1#2#3#4#5#6#7#8 { \__coffin_align:NnnNnnnnN #1 {#2} {#3} #4 {#5} {#6} {#7} {#8} \l__coffin_aligned_coffin \box_set_ht:Nn \l__coffin_aligned_coffin { \box_ht:N #1 } \box_set_dp:Nn \l__coffin_aligned_coffin { \box_dp:N #1 } \box_set_wd:Nn \l__coffin_aligned_coffin { \box_wd:N #1 } \__coffin_reset_structure:N \l__coffin_aligned_coffin \prop_set_eq:cc { l__coffin_corners_ \__int_value:w \l__coffin_aligned_coffin _prop } { l__coffin_corners_ \__int_value:w #1 _prop } \__coffin_update_poles:N \l__coffin_aligned_coffin \__coffin_offset_poles:Nnn #1 { 0 pt } { 0 pt } \__coffin_offset_poles:Nnn #4 { \l__coffin_offset_x_dim } { \l__coffin_offset_y_dim } \__coffin_update_vertical_poles:NNN #1 #4 \l__coffin_aligned_coffin \coffin_set_eq:NN #1 \l__coffin_aligned_coffin } \cs_new_protected:Npn \coffin_attach_mark:NnnNnnnn #1#2#3#4#5#6#7#8 { \__coffin_align:NnnNnnnnN #1 {#2} {#3} #4 {#5} {#6} {#7} {#8} \l__coffin_aligned_coffin \box_set_ht:Nn \l__coffin_aligned_coffin { \box_ht:N #1 } \box_set_dp:Nn \l__coffin_aligned_coffin { \box_dp:N #1 } \box_set_wd:Nn \l__coffin_aligned_coffin { \box_wd:N #1 } \box_set_eq:NN #1 \l__coffin_aligned_coffin } \cs_generate_variant:Nn \coffin_attach:NnnNnnnn { c , Nnnc , cnnc } \cs_new_protected:Npn \__coffin_align:NnnNnnnnN #1#2#3#4#5#6#7#8#9 { \__coffin_calculate_intersection:Nnn #4 {#5} {#6} \dim_set:Nn \l__coffin_x_prime_dim { \l__coffin_x_dim } \dim_set:Nn \l__coffin_y_prime_dim { \l__coffin_y_dim } \__coffin_calculate_intersection:Nnn #1 {#2} {#3} \dim_set:Nn \l__coffin_offset_x_dim { \l__coffin_x_dim - \l__coffin_x_prime_dim + #7 } \dim_set:Nn \l__coffin_offset_y_dim { \l__coffin_y_dim - \l__coffin_y_prime_dim + #8 } \hbox_set:Nn \l__coffin_aligned_internal_coffin { \box_use:N #1 \tex_kern:D -\box_wd:N #1 \tex_kern:D \l__coffin_offset_x_dim \box_move_up:nn { \l__coffin_offset_y_dim } { \box_use:N #4 } } \coffin_set_eq:NN #9 \l__coffin_aligned_internal_coffin } \cs_new_protected:Npn \__coffin_offset_poles:Nnn #1#2#3 { \prop_map_inline:cn { l__coffin_poles_ \__int_value:w #1 _prop } { \__coffin_offset_pole:Nnnnnnn #1 {##1} ##2 {#2} {#3} } } \cs_new_protected:Npn \__coffin_offset_pole:Nnnnnnn #1#2#3#4#5#6#7#8 { \dim_set:Nn \l__coffin_x_dim { #3 + #7 } \dim_set:Nn \l__coffin_y_dim { #4 + #8 } \tl_if_in:nnTF {#2} { - } { \tl_set:Nn \l__coffin_internal_tl { {#2} } } { \tl_set:Nn \l__coffin_internal_tl { { #1 - #2 } } } \exp_last_unbraced:NNo \__coffin_set_pole:Nnx \l__coffin_aligned_coffin { \l__coffin_internal_tl } { { \dim_use:N \l__coffin_x_dim } { \dim_use:N \l__coffin_y_dim } {#5} {#6} } } \cs_new_protected:Npn \__coffin_offset_corners:Nnn #1#2#3 { \prop_map_inline:cn { l__coffin_corners_ \__int_value:w #1 _prop } { \__coffin_offset_corner:Nnnnn #1 {##1} ##2 {#2} {#3} } } \cs_new_protected:Npn \__coffin_offset_corner:Nnnnn #1#2#3#4#5#6 { \prop_put:cnx { l__coffin_corners_ \__int_value:w \l__coffin_aligned_coffin _prop } { #1 - #2 } { { \dim_eval:n { #3 + #5 } } { \dim_eval:n { #4 + #6 } } } } \cs_new_protected:Npn \__coffin_update_vertical_poles:NNN #1#2#3 { \__coffin_get_pole:NnN #3 { #1 -T } \l__coffin_pole_a_tl \__coffin_get_pole:NnN #3 { #2 -T } \l__coffin_pole_b_tl \exp_last_two_unbraced:Noo \__coffin_update_T:nnnnnnnnN \l__coffin_pole_a_tl \l__coffin_pole_b_tl #3 \__coffin_get_pole:NnN #3 { #1 -B } \l__coffin_pole_a_tl \__coffin_get_pole:NnN #3 { #2 -B } \l__coffin_pole_b_tl \exp_last_two_unbraced:Noo \__coffin_update_B:nnnnnnnnN \l__coffin_pole_a_tl \l__coffin_pole_b_tl #3 } \cs_new_protected:Npn \__coffin_update_T:nnnnnnnnN #1#2#3#4#5#6#7#8#9 { \dim_compare:nNnTF {#2} < {#6} { \__coffin_set_pole:Nnx #9 { T } { { 0 pt } {#6} { 1000 pt } { 0 pt } } } { \__coffin_set_pole:Nnx #9 { T } { { 0 pt } {#2} { 1000 pt } { 0 pt } } } } \cs_new_protected:Npn \__coffin_update_B:nnnnnnnnN #1#2#3#4#5#6#7#8#9 { \dim_compare:nNnTF {#2} < {#6} { \__coffin_set_pole:Nnx #9 { B } { { 0 pt } {#2} { 1000 pt } { 0 pt } } } { \__coffin_set_pole:Nnx #9 { B } { { 0 pt } {#6} { 1000 pt } { 0 pt } } } } \cs_new_protected:Npn \coffin_typeset:Nnnnn #1#2#3#4#5 { \hbox_unpack:N \c_empty_box \__coffin_align:NnnNnnnnN \c_empty_coffin { H } { l } #1 {#2} {#3} {#4} {#5} \l__coffin_aligned_coffin \box_use:N \l__coffin_aligned_coffin } \cs_generate_variant:Nn \coffin_typeset:Nnnnn { c } \coffin_new:N \l__coffin_display_coffin \coffin_new:N \l__coffin_display_coord_coffin \coffin_new:N \l__coffin_display_pole_coffin \prop_new:N \l__coffin_display_handles_prop \prop_put:Nnn \l__coffin_display_handles_prop { tl } { { b } { r } { -1 } { 1 } } \prop_put:Nnn \l__coffin_display_handles_prop { thc } { { b } { hc } { 0 } { 1 } } \prop_put:Nnn \l__coffin_display_handles_prop { tr } { { b } { l } { 1 } { 1 } } \prop_put:Nnn \l__coffin_display_handles_prop { vcl } { { vc } { r } { -1 } { 0 } } \prop_put:Nnn \l__coffin_display_handles_prop { vchc } { { vc } { hc } { 0 } { 0 } } \prop_put:Nnn \l__coffin_display_handles_prop { vcr } { { vc } { l } { 1 } { 0 } } \prop_put:Nnn \l__coffin_display_handles_prop { bl } { { t } { r } { -1 } { -1 } } \prop_put:Nnn \l__coffin_display_handles_prop { bhc } { { t } { hc } { 0 } { -1 } } \prop_put:Nnn \l__coffin_display_handles_prop { br } { { t } { l } { 1 } { -1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Tl } { { t } { r } { -1 } { -1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Thc } { { t } { hc } { 0 } { -1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Tr } { { t } { l } { 1 } { -1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Hl } { { vc } { r } { -1 } { 1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Hhc } { { vc } { hc } { 0 } { 1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Hr } { { vc } { l } { 1 } { 1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Bl } { { b } { r } { -1 } { -1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Bhc } { { b } { hc } { 0 } { -1 } } \prop_put:Nnn \l__coffin_display_handles_prop { Br } { { b } { l } { 1 } { -1 } } \dim_new:N \l__coffin_display_offset_dim \dim_set:Nn \l__coffin_display_offset_dim { 2 pt } \dim_new:N \l__coffin_display_x_dim \dim_new:N \l__coffin_display_y_dim \prop_new:N \l__coffin_display_poles_prop \tl_new:N \l__coffin_display_font_tl \tl_set:Nn \l__coffin_display_font_tl { \sffamily \tiny } \cs_new_protected:Npn \coffin_mark_handle:Nnnn #1#2#3#4 { \hcoffin_set:Nn \l__coffin_display_pole_coffin { \color {#4} \rule { 1 pt } { 1 pt } } \coffin_attach_mark:NnnNnnnn #1 {#2} {#3} \l__coffin_display_pole_coffin { hc } { vc } { 0 pt } { 0 pt } \hcoffin_set:Nn \l__coffin_display_coord_coffin { \color {#4} \l__coffin_display_font_tl ( \tl_to_str:n { #2 , #3 } ) } \prop_get:NnN \l__coffin_display_handles_prop { #2 #3 } \l__coffin_internal_tl \quark_if_no_value:NTF \l__coffin_internal_tl { \prop_get:NnN \l__coffin_display_handles_prop { #3 #2 } \l__coffin_internal_tl \quark_if_no_value:NTF \l__coffin_internal_tl { \coffin_attach_mark:NnnNnnnn #1 {#2} {#3} \l__coffin_display_coord_coffin { l } { vc } { 1 pt } { 0 pt } } { \exp_last_unbraced:No \__coffin_mark_handle_aux:nnnnNnn \l__coffin_internal_tl #1 {#2} {#3} } } { \exp_last_unbraced:No \__coffin_mark_handle_aux:nnnnNnn \l__coffin_internal_tl #1 {#2} {#3} } } \cs_new_protected:Npn \__coffin_mark_handle_aux:nnnnNnn #1#2#3#4#5#6#7 { \coffin_attach_mark:NnnNnnnn #5 {#6} {#7} \l__coffin_display_coord_coffin {#1} {#2} { #3 \l__coffin_display_offset_dim } { #4 \l__coffin_display_offset_dim } } \cs_generate_variant:Nn \coffin_mark_handle:Nnnn { c } \cs_new_protected:Npn \coffin_display_handles:Nn #1#2 { \hcoffin_set:Nn \l__coffin_display_pole_coffin { \color {#2} \rule { 1 pt } { 1 pt } } \prop_set_eq:Nc \l__coffin_display_poles_prop { l__coffin_poles_ \__int_value:w #1 _prop } \__coffin_get_pole:NnN #1 { H } \l__coffin_pole_a_tl \__coffin_get_pole:NnN #1 { T } \l__coffin_pole_b_tl \tl_if_eq:NNT \l__coffin_pole_a_tl \l__coffin_pole_b_tl { \prop_remove:Nn \l__coffin_display_poles_prop { T } } \__coffin_get_pole:NnN #1 { B } \l__coffin_pole_b_tl \tl_if_eq:NNT \l__coffin_pole_a_tl \l__coffin_pole_b_tl { \prop_remove:Nn \l__coffin_display_poles_prop { B } } \coffin_set_eq:NN \l__coffin_display_coffin #1 \prop_map_inline:Nn \l__coffin_display_poles_prop { \prop_remove:Nn \l__coffin_display_poles_prop {##1} \__coffin_display_handles_aux:nnnnnn {##1} ##2 {#2} } \box_use:N \l__coffin_display_coffin } \cs_new_protected:Npn \__coffin_display_handles_aux:nnnnnn #1#2#3#4#5#6 { \prop_map_inline:Nn \l__coffin_display_poles_prop { \bool_set_false:N \l__coffin_error_bool \__coffin_calculate_intersection:nnnnnnnn {#2} {#3} {#4} {#5} ##2 \bool_if:NF \l__coffin_error_bool { \dim_set:Nn \l__coffin_display_x_dim { \l__coffin_x_dim } \dim_set:Nn \l__coffin_display_y_dim { \l__coffin_y_dim } \__coffin_display_attach:Nnnnn \l__coffin_display_pole_coffin { hc } { vc } { 0 pt } { 0 pt } \hcoffin_set:Nn \l__coffin_display_coord_coffin { \color {#6} \l__coffin_display_font_tl ( \tl_to_str:n { #1 , ##1 } ) } \prop_get:NnN \l__coffin_display_handles_prop { #1 ##1 } \l__coffin_internal_tl \quark_if_no_value:NTF \l__coffin_internal_tl { \prop_get:NnN \l__coffin_display_handles_prop { ##1 #1 } \l__coffin_internal_tl \quark_if_no_value:NTF \l__coffin_internal_tl { \__coffin_display_attach:Nnnnn \l__coffin_display_coord_coffin { l } { vc } { 1 pt } { 0 pt } } { \exp_last_unbraced:No \__coffin_display_handles_aux:nnnn \l__coffin_internal_tl } } { \exp_last_unbraced:No \__coffin_display_handles_aux:nnnn \l__coffin_internal_tl } } } } \cs_new_protected:Npn \__coffin_display_handles_aux:nnnn #1#2#3#4 { \__coffin_display_attach:Nnnnn \l__coffin_display_coord_coffin {#1} {#2} { #3 \l__coffin_display_offset_dim } { #4 \l__coffin_display_offset_dim } } \cs_generate_variant:Nn \coffin_display_handles:Nn { c } \cs_new_protected:Npn \__coffin_display_attach:Nnnnn #1#2#3#4#5 { \__coffin_calculate_intersection:Nnn #1 {#2} {#3} \dim_set:Nn \l__coffin_x_prime_dim { \l__coffin_x_dim } \dim_set:Nn \l__coffin_y_prime_dim { \l__coffin_y_dim } \dim_set:Nn \l__coffin_offset_x_dim { \l__coffin_display_x_dim - \l__coffin_x_prime_dim + #4 } \dim_set:Nn \l__coffin_offset_y_dim { \l__coffin_display_y_dim - \l__coffin_y_prime_dim + #5 } \hbox_set:Nn \l__coffin_aligned_coffin { \box_use:N \l__coffin_display_coffin \tex_kern:D -\box_wd:N \l__coffin_display_coffin \tex_kern:D \l__coffin_offset_x_dim \box_move_up:nn { \l__coffin_offset_y_dim } { \box_use:N #1 } } \box_set_ht:Nn \l__coffin_aligned_coffin { \box_ht:N \l__coffin_display_coffin } \box_set_dp:Nn \l__coffin_aligned_coffin { \box_dp:N \l__coffin_display_coffin } \box_set_wd:Nn \l__coffin_aligned_coffin { \box_wd:N \l__coffin_display_coffin } \box_set_eq:NN \l__coffin_display_coffin \l__coffin_aligned_coffin } \cs_new_protected:Npn \coffin_show_structure:N #1 { \__coffin_if_exist:NT #1 { \__msg_show_variable:Nnn #1 { coffins } { \prop_map_function:cN { l__coffin_poles_ \__int_value:w #1 _prop } \__msg_show_item_unbraced:nn } } } \cs_generate_variant:Nn \coffin_show_structure:N { c } \__msg_kernel_new:nnnn { kernel } { no-pole-intersection } { No~intersection~between~coffin~poles. } { \c_msg_coding_error_text_tl LaTeX~was~asked~to~find~the~intersection~between~two~poles,~ but~they~do~not~have~a~unique~meeting~point:~ the~value~(0~pt,~0~pt)~will~be~used. } \__msg_kernel_new:nnnn { kernel } { unknown-coffin } { Unknown~coffin~'#1'. } { The~coffin~'#1'~was~never~defined. } \__msg_kernel_new:nnnn { kernel } { unknown-coffin-pole } { Pole~'#1'~unknown~for~coffin~'#2'. } { \c_msg_coding_error_text_tl LaTeX~was~asked~to~find~a~typesetting~pole~for~a~coffin,~ but~either~the~coffin~does~not~exist~or~the~pole~name~is~wrong. } \__msg_kernel_new:nnn { kernel } { show-coffins } { Size~of~coffin~\token_to_str:N #1 : \\ > ~ ht~=~\dim_use:N \box_ht:N #1 \\ > ~ dp~=~\dim_use:N \box_dp:N #1 \\ > ~ wd~=~\dim_use:N \box_wd:N #1 \\ Poles~of~coffin~\token_to_str:N #1 : } %% %% %% End of file `l3coffins.sty'.