input/lsr/broken-crescendo-hairpin.ly

   1 %% Do not edit this file; it is auto-generated from input/new
   2 %% This file is in the public domain.
   3 \version "2.11.49"
   4
   5 \header {
   6   lsrtags = "expressive-marks"
   7   texidoc = "
   8 In order to make parts of a crescendo hairpin invisible, the following
   9 method is used: A white rectangle is drawn on top of the respective
  10 part of the crescendo hairpin, making it invisible.  The rectangle is
  11 defined as postscript code within a text markup.
  12
  13 To fine-tune the position and size of the markup, the number
  14 preceding @code{setgray} in the postscript definition can be set to a
  15 value less than one, making it grey.  The two numbers before @code{scale}
  16 in the postscript code are responsible for the width and height of the
  17 rectangle, the two numbers before @code{translate} change the x- and
  18 y-origin of the rectangle.
  19
  20 Make sure to put the hairpin in a lower layer than the text markup to
  21 draw the rectangle over the hairpin.
  22 "
  23   doctitle = "Broken crescendo hairpin"
  24 } % begin verbatim
  25
  26 \relative c' {
  27   << {
  28     \dynamicUp
  29     \override DynamicLineSpanner #'staff-padding = #4
  30     r2 r16 c'8.\pp r4
  31   } \\ {
  32     \override DynamicLineSpanner #'layer = #0
  33     des,2\mf\< ~
  34     \override TextScript #'layer = #2
  35     des16_\markup {
  36       \postscript #"1.9 -8 translate 5 4 scale 1 setgray 0 0 moveto 0 1
  37         lineto 1 1 lineto 1 0 lineto 0 0 lineto fill"
  38     }
  39     r8. des4 ~ des16->\sff
  40   } >>
  41 }