diff options
Diffstat (limited to 'Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx')
-rw-r--r-- | Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx index c3d98b5d52b..5f28fc920d9 100644 --- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx +++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx @@ -44,7 +44,7 @@ % }^^A % } % -% \date{Released 2019-01-28} +% \date{Released 2019-03-05} % % \maketitle % @@ -82,10 +82,11 @@ % \end{macrocode} % \end{variable} % -% \begin{variable}{\l_@@_main_box} -% Box for setting the drawing. +% \begin{variable}{\l_@@_layer_main_box, \l_@@_layer_main_box} +% Box for setting the drawing itself and the top-level layer. % \begin{macrocode} \box_new:N \l_@@_main_box +\box_new:N \l_@@_layer_main_box % \end{macrocode} % \end{variable} % @@ -115,7 +116,8 @@ % mechanism largely as it then sets up the internal data structures. It may be % that a coffin construct is better here in the longer term: that may become % clearer as the code is completed. As we need to avoid any insertion of -% baseline skips, the outer box here has to be an |hbox|. +% baseline skips, the outer box here has to be an |hbox|. To allow for +% layers, there is some box nesting: notice that we % \begin{macrocode} \cs_new_protected:Npn \draw_begin: { @@ -136,9 +138,13 @@ \draw_join_miter: \draw_miterlimit:n { 10 } \draw_dash_pattern:nn { } { 0cm } + \hbox_set:Nw \l_@@_layer_main_box } \cs_new_protected:Npn \draw_end: { + \exp_args:NNNV \hbox_set_end: + \clist_set:Nn \l_draw_layers_clist \l_draw_layers_clist + \@@_layers_insert: \driver_draw_end: \hbox_set_end: \dim_compare:nNnT \g_@@_xmin_dim = \c_max_dim @@ -244,9 +250,11 @@ \draw_path_scope_begin: \draw_transform_matrix_reset: \draw_transform_shift_reset: + \@@_layers_save: } \cs_new_protected:Npn \draw_suspend_end: { + \@@_layers_restore: \draw_path_scope_end: \@@_scope_bb_end: } |