input/regression/clip-systems.ly

   1 \header {
   2   texidoc = "Clipping snippets from a finished score
   3
   4 Notes:
   5
   6 @itemize @bullet
   7 @item If system starts and ends are included, they include extents of the System grob, eg. instrument names.
   8 @item Grace notes  at the end point of the region are not included
   9 @item Regions can span multiple systems. In this case, multiple EPS files are generated.
  10 @end itemize
  11
  12 This file needs to be run separately with @code{-dclip-systems}; the
  13 collated-files.html of the regression test does not adequately show
  14 the results.
  15
  16 The result will be files named
  17 @file{@var{base}-from-@var{start}-to-@var{end}[-@var{count}].eps}.
  18 "
  19
  20 }
  21
  22 \version "2.12.0"
  23
  24 #(ly:set-option 'clip-systems)
  25
  26 #(set! output-count 1)
  27
  28 origScore = \score{
  29     \relative {
  30       \set Staff.instrumentName = #"bla"
  31       c1
  32       d
  33       \grace c16
  34       e1
  35       \key d\major
  36
  37       f
  38       \break  \clef bass
  39       g,
  40       fis
  41     }
  42 }
  43
  44 \book {
  45   \score {
  46     \origScore
  47     \layout {
  48
  49       %% each clip-region is a (START . END) pair
  50       %% where both are rhythmic-locations.
  51
  52       %% (make-rhythmic-locations BAR-NUMBER NUM DEN)
  53       %% means NUM/DEN whole-notes into bar numbered BAR-NUMBER
  54
  55       clip-regions
  56       = #(list
  57           (cons
  58            (make-rhythmic-location 2 0 1)
  59            (make-rhythmic-location 4 0 1))
  60
  61           (cons
  62            (make-rhythmic-location 0 0 1)
  63            (make-rhythmic-location 4 0 1))
  64
  65           (cons
  66            (make-rhythmic-location 0 0 1)
  67            (make-rhythmic-location 6 0 1))
  68         )
  69     }
  70   }
  71 }
  72
  73 #(set! output-count 0)
  74 #(ly:set-option 'clip-systems #f)
  75
  76 \book {
  77   \score { \origScore }
  78   \markup { \bold \fontsize #6 clips }
  79   \score {
  80     \lyrics {
  81       \markup { from-2.0.1-to-4.0.1-clip.eps }
  82       \markup { \epsfile #X #30.0 #(format #f "~a-1-from-2.0.1-to-4.0.1-clip.eps" (ly:parser-output-name parser)) }
  83     }
  84   }
  85 }