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Diffstat (limited to 'stand/forth/frames.4th')
| -rw-r--r-- | stand/forth/frames.4th | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/stand/forth/frames.4th b/stand/forth/frames.4th new file mode 100644 index 0000000000000..b237afe7ac43a --- /dev/null +++ b/stand/forth/frames.4th @@ -0,0 +1,142 @@ +\ Copyright (c) 2003 Scott Long <scottl@FreeBSD.org> +\ Copyright (c) 2012-2015 Devin Teske <dteske@FreeBSD.org> +\ All rights reserved. +\ +\ Redistribution and use in source and binary forms, with or without +\ modification, are permitted provided that the following conditions +\ are met: +\ 1. Redistributions of source code must retain the above copyright +\ notice, this list of conditions and the following disclaimer. +\ 2. Redistributions in binary form must reproduce the above copyright +\ notice, this list of conditions and the following disclaimer in the +\ documentation and/or other materials provided with the distribution. +\ +\ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +\ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +\ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +\ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +\ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +\ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +\ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +\ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +\ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +\ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +\ SUCH DAMAGE. +\ +\ $FreeBSD$ + +marker task-frames.4th + +vocabulary frame-drawing +only forth also frame-drawing definitions + +\ XXX Filled boxes are left as an exercise for the reader... ;-/ + +variable h_el +variable v_el +variable lt_el +variable lb_el +variable rt_el +variable rb_el +variable fill + +\ ASCII frames (used when serial console is detected) + 45 constant ascii_dash + 61 constant ascii_equal +124 constant ascii_pipe + 43 constant ascii_plus + +\ Single frames +196 constant sh_el +179 constant sv_el +218 constant slt_el +192 constant slb_el +191 constant srt_el +217 constant srb_el +\ Double frames +205 constant dh_el +186 constant dv_el +201 constant dlt_el +200 constant dlb_el +187 constant drt_el +188 constant drb_el +\ Fillings +0 constant fill_none +32 constant fill_blank +176 constant fill_dark +177 constant fill_med +178 constant fill_bright + +only forth definitions also frame-drawing + +: hline ( len x y -- ) \ Draw horizontal single line + at-xy \ move cursor + 0 do + h_el @ emit + loop +; + +: f_ascii ( -- ) ( -- ) \ set frames to ascii + ascii_dash h_el ! + ascii_pipe v_el ! + ascii_plus lt_el ! + ascii_plus lb_el ! + ascii_plus rt_el ! + ascii_plus rb_el ! +; + +: f_single ( -- ) \ set frames to single + boot_serial? if f_ascii exit then + sh_el h_el ! + sv_el v_el ! + slt_el lt_el ! + slb_el lb_el ! + srt_el rt_el ! + srb_el rb_el ! +; + +: f_double ( -- ) \ set frames to double + boot_serial? if + f_ascii + ascii_equal h_el ! + exit + then + dh_el h_el ! + dv_el v_el ! + dlt_el lt_el ! + dlb_el lb_el ! + drt_el rt_el ! + drb_el rb_el ! +; + +: vline ( len x y -- ) \ Draw vertical single line + 2dup 4 pick + 0 do + at-xy + v_el @ emit + 1+ + 2dup + loop + 2drop 2drop drop +; + +: box ( w h x y -- ) \ Draw a box + 2dup 1+ 4 pick 1- -rot + vline \ Draw left vert line + 2dup 1+ swap 5 pick + swap 4 pick 1- -rot + vline \ Draw right vert line + 2dup swap 1+ swap 5 pick 1- -rot + hline \ Draw top horiz line + 2dup swap 1+ swap 4 pick + 5 pick 1- -rot + hline \ Draw bottom horiz line + 2dup at-xy lt_el @ emit \ Draw left-top corner + 2dup 4 pick + at-xy lb_el @ emit \ Draw left bottom corner + 2dup swap 5 pick + swap at-xy rt_el @ emit \ Draw right top corner + 2 pick + swap 3 pick + swap at-xy rb_el @ emit + 2drop +; + +f_single +fill_none fill ! + +only forth definitions |