Re: Issue 1053 in lilypond: Severe overestimation of line height for significantly non-rectangular systems

[lilypond]

Comment #6 on issue 1053 by n.puttock: Severe overestimation of line height  
for significantly non-rectangular systems
http://code.google.com/p/lilypond/issues/detail?id=1053

Hi Boris,

Unfortunately, your patch segfaults on hara-kiri staves:

Processing `input/regression/hara-kiri-pianostaff.ly'
Parsing...
Interpreting music...
Preprocessing graphical objects...
Program received signal SIGSEGV, Segmentation fault.
0x00000000006800f8 in System::part_of_line_pure_height (this=0xbf15c0,
    start=8, end=10, begin=true) at system.cc:586
586         iv.translate (offsets[i]);
(gdb) bt
#0  0x00000000006800f8 in System::part_of_line_pure_height (this=0xbf15c0,
    start=8, end=10, begin=true) at system.cc:586
#1  0x00000000006801dd in System::begin_of_line_pure_height (this=0xbf15c0,
    start=8, end=10) at system.cc:595
#2  0x0000000000484b8e in Constrained_breaking::fill_line_details (
    this=0x7fffffff8620, out=0xd94bf0, start=1, end=2)
    at constrained-breaking.cc:461
#3  0x000000000048484b in Constrained_breaking::initialize (
    this=0x7fffffff8620) at constrained-breaking.cc:435
#4  0x0000000000483e11 in Constrained_breaking (this=0x7fffffff8620,
    ps=0xc36040, start=...) at constrained-breaking.cc:360
#5  0x000000000058de34 in Page_breaking::find_chunks_and_breaks (
    this=0x7fffffff8a70, is_break=0x580ee8 <is_break>) at  
page-breaking.cc:579
#6  0x000000000058b46d in Page_breaking (this=0x7fffffff8a70, pb=0xb2a9f0,
    is_break=0x580ee8 <is_break>) at page-breaking.cc:189
#7  0x0000000000580ff0 in Optimal_page_breaking (this=0x7fffffff8a70,
    pb=0xb2a9f0) at optimal-page-breaking.cc:36
#8  0x000000000058a54c in ly_optimal_breaking (pb=0x7ffff2b9f280)
    at page-breaking-scheme.cc:41
#9  0x00007ffff793430e in scm_dapply () from /usr/lib/libguile.so.17
#10 0x00000000005b9d9d in Paper_book::pages (this=0xb2a9f0)
    at paper-book.cc:653
#11 0x00000000005b732a in Paper_book::output_aux (this=0xb2a9f0,

Cheers,
Neil

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