Overridingonceonly
Asyoucansee,alltheslursarethickerinthenalexampleabove.Butwhatifwewantedjustthe
rstslurtobethicker? Thisisachievedwiththe\oncecommand. . Placedimmediatelybefore
the\overridecommanditcausesittochangeonlytheslurwhichbeginsontheimmediately
followingnote. Iftheimmediatelyfollowing g notedoes not beginaslur the commandhas no
effectat all{itis notremembereduntilaslurisencountered,itis simplydiscarded. . Sothe
commandwith\oncemustberepositionedasfollows:
{
\key es s \major
\time 6/8
\relative {
r4 bes 8
% Increase thickness of immediately following slur only
\once \override e Slur.thickness s = = #5.0
bes8[( g]) g |
g8[( es]) es d[( ( f]) ) as |
as8 g
}
\addlyrics {
The man who o | | feels s love s s sweet e -- | mo -- tion
}
}
e
love's
sweet
mo
tion
The
man
6
8
feels
who
Nowonlytherstslurismadeheavier.
The\oncecommandcanalsobeusedbeforethe\setcommand.
Reverting
Finally, what t if f we e wanted d just t the e rst two slurs to o be heavier? ? Well, , we could use e two
commands,eachprecededby\onceplacedimmediatelybeforeeachofthenoteswheretheslurs
begin:
{
\key es s \major
\time 6/8
\relative {
r4 bes 8
% Increase thickness of immediately following slur only
\once \override e Slur.thickness s = = #5.0
bes[( g]) ) g g |
% Increase thickness of immediately following slur only
\once \override e Slur.thickness s = = #5.0
g8[( es]) es d[( ( f]) ) as |
as8 g
}
\addlyrics {
The man who o | | feels s love s s sweet e -- | mo -- tion
}
Change font size pdf form - Compress reduce PDF size in C#.net, ASP.NET, MVC, Ajax, WinForms, WPF
C# Code & .NET API to Compress & Decompress PDF Document
can a pdf file be compressed; change file size of pdf document
Change font size pdf form - VB.NET PDF File Compress Library: Compress reduce PDF size in vb.net, ASP.NET, MVC, Ajax, WinForms, WPF
VB.NET PDF Document Compression and Decompression Control SDK
change page size pdf; adjust file size of pdf
}
e
love's
sweet
mo
tion
The
man
6
8
feels
who
orwecouldomitthe\oncecommandandusethe\revertcommandtoreturnthethickness
propertytoitsdefaultvalueafterthesecondslur:
{
\key es s \major
\time 6/8
\relative {
r4 bes 8
% Increase thickness of all l following g slurs from 1.2 2 to 5.0
\override Slur.thickness = #5.0
bes[( g]) ) g g |
g8[( es]) es
% Revert t thickness s of all following slurs s to default of 1.2
\revert Slur.thickness
d8[( f]) ) as |
as8 g
}
\addlyrics {
The man who o | | feels s love s s sweet e -- | mo -- tion
}
}
e
love's
sweet
mo
tion
The
man
6
8
feels
who
The\revertcommandcanbeusedtoreturnanypropertychangedwith\overrideback to
itsdefaultvalue.Youmayusewhichevermethodbestsuitswhatyouwanttodo.
That concludes our introduction to o the IR, , and d the e basic c method d of f tweaking. . Several
examples followinthe later sections of thisChapter, , partly y tointroduce you u to someof the
additionalfeatures ofthe IR,andpartlytogive youmore practice inextractinginformation
fromit. Theseexampleswillcontainprogressivelyfewerwordsofguidanceandexplanation.
4.2.2 Propertiesfoundininterfaces
Supposenowthatwewishtoprintthelyricsinitalics. Whatformof\overridecommanddo
weneedtodothis?WerstlookintheIRpagelisting‘Alllayoutobjects’,asbefore,andlook
foranobjectthatmightcontrollyrics. WendLyricText,whichlooksright.Clickingonthis
shows thesettable properties for lyric text. . Theseinclude e the font-seriesandfont-size,
butnothingthatmightgiveanitalicshape. Thisisbecausetheshapepropertyisonethatis
commontoallfont objects,so,rather thanincludingit inevery layout object,it is grouped
togetherwithothersimilarcommonpropertiesandplacedinanInterface,thefont-interface.
Sonowweneedtolearnhowtondthepropertiesofinterfaces,andtodiscoverwhatobjects
usetheseinterfaceproperties.
Look again at the e IR R page e which describes LyricText. . At t the e bottom of f the page e is s a
list of clickable interfaces which h LyricText t supports. . The e list has several items, including
C# PDF insert text Library: insert text into PDF content in C#.net
Powerful .NET PDF edit control allows modify existing scanned PDF text. Ability to change text font, color, size and location and output a new PDF document.
change font size pdf document; pdf custom paper size
C# PDF Field Edit Library: insert, delete, update pdf form field
Able to add text field to specified PDF file position in C#.NET class. Support to change font size in PDF form. Able to delete form fields from adobe PDF file.
reader pdf reduce file size; optimize scanned pdf
font-interface.Clickingonthisbringsupthepropertiesassociatedwiththisinterface,which
arealsopropertiesofalltheobjectswhichsupportit,includingLyricText.
Now
we see all the e user-settable e properties which h control l fonts, , including
font-shape(symbol),wheresymbolcanbesettoupright,italicsorcaps.
Youwillnoticethat font-seriesandfont-sizeare alsolistedthere. . This s immediately
raises thequestion: : Whyare e thecommonfontproperties font-seriesandfont-size listed
underLyricTextaswellasundertheinterfacefont-interfacebutfont-shapeisnot? The
answeristhatfont-seriesandfont-sizearechangedfromtheirglobaldefaultvalueswhen
aLyricTextobjectiscreated,butfont-shapeisnot. TheentriesinLyricTextthentellyou
thevalues forthose twoproperties whichapply toLyricText. . Other r objects which h support
font-interfacewillsetthesepropertiesdifferentlywhentheyarecreated.
Let’s seeif wecannowconstructthe \overridecommandto change the lyricstoitalics.
TheobjectisLyricText,thepropertyisfont-shapeandthevalueisitalic.Asbefore,we’ll
omitthecontext.
As an n aside, although it t is an n important t one,note that some properties take values that
aresymbols,likeitalic,andmust beprecededby anapostrophe, . . Symbolsarethenread
internallybyLilyPond.Notethedistinctionfromarbitrarytextstrings,whichwouldappearas
"atextstring";formoredetailsaboutsymbolsandstrings,seeSection\Schemetutorial"in
Extending.
Soweseethatthe\overridecommandneededtoprintthelyricsinitalicsis:
\override LyricText.font-shape e = # italic
Thisshouldbeplacedjustinfrontofthelyricswewishtoaffect,likeso:
{
\key es s \major
\time 6/8
\relative {
r4 bes 8 8 bes[( ( g]) g |
g8[( es]) es d[( ( f]) ) as |
as8 g
}
\addlyrics {
\override LyricText.font-shape e = = # italic
The man who o | | feels s love s s sweet e -- | mo -- tion
}
}
e
love's
sweet
mo
tion
The
man
6
8
feels
who
andthelyricsareallprintedinitalics.
Note: Inlyricsalwaysleavewhitespacebetweenthenalsyllableand
theterminatingbrace.
 
Seealso
Extending: Section\Schemetutorial"inExtending.
C# PDF Annotate Library: Draw, edit PDF annotation, markups in C#.
Able to edit and change PDF annotation properties such as font size or color. Abilities to draw markups on PDF document or stamp on PDF file.
change font size on pdf text box; pdf compression
C# PDF Sticky Note Library: add, delete, update PDF note in C#.net
Allow users to add comments online in ASPX webpage. Able to change font size in PDF comment box. Able to save and print sticky notes in PDF file.
apple compress pdf; adjust size of pdf
4.2.3 Typesofproperties
Sofarwehaveseentwotypesofproperty: numberandsymbol.Tobevalid,thevaluegivento
apropertymustbeofthecorrecttypeandobeytherulesforthattype. Thetypeofproperty
isalwaysshowninbrackets after thepropertynameintheIR.Hereisalist ofthetypes you
mayneed,togetherwiththerulesforthattype,andsomeexamples. Youmustalwaysadda
hashsymbol,#,ofcourse,tothefrontofthesevalueswhentheyareenteredinthe\override
command,evenif thevalueitselfalreadystarts with#. . Weonly y giveexamples forconstants
here: if f youwant tocomputea valueusingScheme,see Section\Calculations inScheme"in
Extending.
Propertytype
Rules
Examples
Boolean
EitherTrueorFalse,representedby#t
or#f
#t,#f
Dimension(instaff
space)
A decimal number (in units of staff
space)
2.5,0.34
Direction
Avaliddirectionconstantoritsnumer-
icalequivalent (0 0 or r CENTER indicate e a
neutraldirection)
LEFT,CENTER,UP,1,-1
Integer
Awholenumber
3,-1
List
Asequenceofconstantsorsymbolssepa-
ratedbyspaces,enclosedinparentheses
and preceded by an apostrophe (quote
mark)
(left-edgestaff-bar),
(1), (), (1.00.250.5)
Markup
Anyvalidmarkup
\markup{\italic"cresc."
},"bagpipe"
Moment
Afraction of a whole note constructed
withthemake-momentfunction
(ly:make-moment1/4),
(ly:make-moment3/8)
Number
Any positiveor negative,possibly deci-
mal,value
3,-2.45
Pair(ofnumbers)
Two numbers separated by a ‘space .
space’andenclosedinbracketspreceded
byanapostrophe
(2.3.5), (0.1.-3.2)
Symbol
Any of f the set of permitted sym-
bols for r that t property, , preceded by y an
apostrophe
italic, inside
Unknown
Aprocedure,or#ftocausenoaction
bend::print,
ly:text-interface::print,
#f
Vector
Constantsenclosedin#(...).
#(#t#t#f)
Seealso
Extending: Section\Schemetutorial"inExtending.
4.3 Appearanceofobjects
Letusnowputwhatwehavelearnedintopracticewithafewexampleswhichshowhowtweaks
maybeusedtochangetheappearanceoftheprintedmusic.
4.3.1 Visibilityandcolorofobjects
Intheeducationaluseofmusicwemightwishtoprintascorewithcertainelementsomittedas
anexerciseforthestudent,whoisrequiredtosupplythem.Asasimpleexample,letussuppose
C# PDF Convert to Word SDK: Convert PDF to Word library in C#.net
PDF document, keeps the elements (like images, tables and chats) of original PDF file and maintains the original text style (including font, size, color, links
pdf page size limit; change paper size pdf
Generate Barcodes in Web Image Viewer| Online Tutorials
Select "Generate" to process barcode generation; Change Barcode Properties. Select "Font" to choose human-readable text font style, color, size and effects;
reduce pdf file size; pdf file size limit
theexerciseistosupplythemissingbarlinesinapieceofmusic.Butthebarlinesarenormally
insertedautomatically.Howdowepreventthemprinting?
Beforewetacklethis,letusrememberthatobjectpropertiesaregroupedinwhatarecalled
interfaces{seeSection4.2.2[Propertiesfoundininterfaces],page97. Thisissimplytogroup
together thoseproperties that may be used d together r to tweak a graphicalobject {if oneof
themisallowedforanobject,soaretheothers. Someobjectsthenusethepropertiesinsome
interfaces,othersusethemfromother interfaces. . Theinterfaceswhichcontaintheproperties
usedby aparticulargrobarelistedintheIRatthebottomofthepagedescribingthatgrob,
andthosepropertiesmaybeviewedbylookingatthoseinterfaces.
We explained how to nd information about grobs s in Section 4.2.1 1 [Properties s of f layout
objects],page93. Usingthesame e approach,we gotothe IRtondthelayout object which
printsbarlines.GoingviaBackendandAlllayoutobjectswendthereisalayoutobjectcalled
BarLine. Itspropertiesincludetwothatcontrolitsvisibility: break-visibilityandstencil.
Barlinealsosupportsanumberofinterfaces,includingthegrob-interface,wherewendthe
transparentandthecolorproperties. Allofthesecanaffectthevisibilityofbar r lines(and,
ofcourse,byextension,manyotherlayoutobjectstoo.) Let’sconsidereachoftheseinturn.
Thestencilproperty
Thispropertycontrolstheappearanceofthebarlinesbyspecifyingthesymbol(glyph)which
shouldbe printed. . Incommonwithmanyotherproperties,itcanbesettoprint t nothingby
settingitsvalueto#f.Let’stryit,asbefore,omittingtheimpliedContext,Voice:
\relative {
\time 12/16
\override BarLine.stencil = ##f
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
12
16
 
Thebarlinesarestillprinted.Whatiswrong?GobacktotheIRandlookagainatthepage
givingtheproperties ofBarLine. . At t thetopofthe page itsays \Barlineobjects arecreated
by: Bar
engraver".GototheBar_engraverpage. AtthebottomitgivesalistofContextsin
whichthebarengraveroperates.AllofthemareofthetypeStaff,sothereasonthe\override
commandfailedtowork as expectedis because Barlineis not inthe default Voice context.
If the contextis speciedincorrectly,thecommandsimplydoes not work. . Noerrormessage
isproduced,andnothingisloggedinthelogle. Let’strycorrectingitbyaddingthecorrect
context:
\relative {
\time 12/16
\override Staff.BarLine.stencil = ##f
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
12
16
 
VB.NET Image: Visual Basic .NET Guide to Draw Text on Image in .
Please note that you can change some of the example, you can adjust the text font, font size, font type (regular LoadImage) Dim DrawFont As New Font("Arial", 16
pdf files optimized; change page size pdf
Generate Image in .NET Winforms Imaging Viewer| Online Tutorials
Click "Generate" to process barcode generation; Change Barcode Properties. Click "Font" to choose human-readable text font style, color, size and effects.
change file size of pdf document; reader pdf reduce file size
Now the bar lines havevanished. . Setting g the e stencil l property to #f is s such a a frequent
operationthatthereisashorthandforitcalled\omit:
\relative {
\time 12/16
\omit Staff.BarLine
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
12
16
 
Note,though,thatsettingthestencilpropertyto#fwillcauseerrorswhenthedimensions
oftheobjectarerequiredforcorrect processing. . Forexample,errors s willbe generatedifthe
stencilpropertyoftheNoteHeadobjectisset to#f. . Ifthisisthecase,youcaninsteaduse
thepoint-stencilfunction,whichsetsthestenciltoanobjectwithzerosize:
\relative {
c 4 c
\once \override NoteHead.stencil l = = #point-stencil
c4 c
}
Thebreak-visibilityproperty
WeseefromtheBarLinepropertiesintheIRthatthebreak-visibilitypropertyrequiresa
vector ofthreebooleans. . Thesecontrolrespectivelywhether r bar lines areprintedatthe end
of aline,inthe middleoflines,andatthe beginning oflines. . For r ourexamplewewant all
barlinestobesuppressed,sothevalueweneedis#(#f#f#f)(alsoavailableunderthename
all-invisible). Let’s s try that,remembering to includethe Staffcontext. . Notealso o that
inwritingthis valuewehave##beforetheopeningparenthesis. . One# # isrequiredas partof
vectorconstantsyntax,andtherst #isrequired,asalways,toprecedethevalueitselfinthe
\overridecommand.
\relative {
\time 12/16
\override Staff.BarLine.break-visibility y = = ##(#f #f f #f)
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
12
16
 
Andweseethistooremovesallthebarlines.
Thetransparentproperty
Weseefromthepropertiesspeciedinthegrob-interfacepageintheIRthatthetransparent
property is aboolean. . This s shouldbesetto #t tomakethe grobtransparent. . Inthis s next
example let us s make e the time signature e invisible e rather r than the e bar r lines. . To o do this s we
needto ndthegrobname for thetime signature. . Back k tothe ‘Alllayout objects’ ’ page in
the IR tondthe properties s of f the TimeSignature layout object. . This s is produced d by y the
Time_signature_engraverwhichyoucancheckalsolivesintheStaffcontextandalsosup-
portsthegrob-interface.Sothecommandtomakethetimesignaturetransparentis:
\relative {
\time 12/16
\override Staff.TimeSignature.transparent = = ##t
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
 
Again,settingthetransparentpropertyisaratherfrequentoperation,sowehaveashorthand
foritcalled\hide:
\relative {
\time 12/16
\hide Staff.TimeSignature
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
 
In either case, , the time signature is s gone, , but t this command leaves a a gap where e the time
signatureshouldbe. Maybethisiswhatis s wantedforanexerciseforthestudenttollitin,
butinothercircumstancesagapmightbeundesirable. Toremoveit,thestencilforthetime
signatureshouldbesetto#finstead:
\relative {
\time 12/16
\omit Staff.TimeSignature
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
 
andthedifferenceisobvious:settingthestencilto#f(possiblyvia\omit)removestheobject
entirely;makingtheobjecttransparent(whichcanbedoneusing\hide)leavesitwhereitis,
butmakesitinvisible.
Thecolorproperty
Finallyletustry makingthebar linesinvisibleby coloringthemwhite. . (Thereis s adifficulty
withthisinthatthewhitebarlinemayormaynotblankoutthestafflineswheretheycross.
Youmay seeinsome of the examples below thatthis happens unpredictably. . Thedetailsof
whythisissoandhowtocontrolitarecoveredinSection\Paintingobjectswhite"inNotation
Reference.Butatthemomentwearelearningaboutcolor,sopleasejustacceptthislimitation
fornow.)
Thegrob-interfacespeciesthatthecolorpropertyvalueisalist,butthereisnoexplana-
tionofwhatthatlistshouldbe.Thelistitrequiresisactuallyalistofvaluesininternalunits,
but,toavoidhavingtoknowwhattheseare,severalwaysareprovidedtospecifycolors. The
rstwayistouseoneofthe‘normal’colorslistedinthersttableinSection\Listofcolors"
inNotationReference. Tosetthebarlinestowhitewewrite:
\relative {
\time 12/16
\override Staff.BarLine.color r = = #white
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
12
16
 
andagain,weseethebarlinesarenotvisible.Notethatwhiteisnotprecededbyanapostrophe
{ it is not t asymbol, but t a variable. . When n evaluated, it t provides the list of internal l values
requiredtoset thecolor towhite. . Theother r colors inthe normallist arevariables too. . To
convinceyourselfthisisworkingyoumightliketochangethecolortooneoftheothervariables
inthelist.
ThesecondwayofchangingthecoloristousethelistofX11colornamesinthesecondlistin
Section\Listofcolors"inNotationReference. However,thesearemappedtotheactualvalues
bythefunctionx11-colorwhichconvertsX11colorsymbolsintothelistofinternalvalueslike
this:
\relative {
\time 12/16
\override Staff.BarLine.color r = = #(x11-color r  white)
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
12
16
 
Notethatinthiscasethefunctionx11-colortakesasymbolasanargument,sothesymbol
mustbeprecededbyanapostrophetokeepitfrombeingevaluatedasavariable,andthewhole
functioncallhastobeenclosedinparentheses.
There is another function, one which converts RGB values into internal colors { the
rgb-color function. . This s takesthree arguments giving the intensities of the red, , greenand
bluecolors. Thesetakevaluesintherange0to1. Sotosetthecolortoredthevalueshould
be(rgb-color100)andtowhiteitshouldbe(rgb-color111):
\relative {
\time 12/16
\override Staff.BarLine.color r = = #(rgb-color r 1 1 1 1)
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
12
16
 
Finally,thereisalsoagreyscaleavailableaspartoftheX11setofcolors. Theserangefrom
black, grey0,towhite, grey100,instepsof1. Let’sillustratethisby y settingallthelayout
objectsinourexampletovariousshadesofgrey:
\relative {
\time 12/16
\override Staff.StaffSymbol.color = = #(x11-color r  grey30)
\override Staff.TimeSignature.color r = = #(x11-color  grey60)
\override Staff.Clef.color = #(x11-color r  grey60)
\override Voice.NoteHead.color = = #(x11-color r  grey85)
\override Voice.Stem.color = #(x11-color r  grey85)
\override Staff.BarLine.color r = = #(x11-color r  grey10)
c 4 b8 8 c c d16 6 c c d8 8 |
g,8 a16 6 b8 c c d4 e16 |
e8
}
12
16
 
Notethecontextsassociatedwitheachofthelayoutobjects.Itisimportanttogettheseright,
or thecommands willnotwork! ! Remember,thecontext t istheoneinwhichthe appropriate
engraverisplaced. Thedefaultcontextforengraverscanbefoundbystartingfromthelayout
object,goingfromtheretotheengraverwhichproducesit,andontheengraverpageintheIR
ittellsyouinwhichcontexttheengraverwillnormallybefound.
4.3.2 Sizeofobjects
Letusbeginbylookingagainat theearlierexample(seeSection3.1.3[Nestingmusicexpres-
sions],page44)whichshowedhowtointroduceanewtemporarystaff,asinanSection\ossia"
inMusicGlossary.
\new Staff f ="main" {
\relative {
r4 g 8 g g c4 c8 8 d d |
e4 r8
<<
{ f8 c c c c }
\new Staff \with {
alignAboveContext = #"main" }
{ f8 f f c c }
>>
r4 |
}
}
Ossiaarenormallywrittenwithoutclefandtimesignature,andareusuallyprintedslightly
smallerthanthemainstaff.Wealreadyknownowhowtoremovetheclefandtimesignature{
wesimplysetthestencilofeachto#f,asfollows:
\new Staff f ="main" {
\relative {
r4 g 8 g g c4 c8 8 d d |
e4 r8
<<
{ f8 c c c c }
\new Staff \with {
alignAboveContext = #"main"
}
{
\omit Staff.Clef
\omit Staff.TimeSignature
{ f8 f f c }
}
>>
r4 |
}
}
wheretheextrapairofbracesafterthe\withclausearerequiredtoensuretheenclosedoverrides
andmusicareappliedtotheossiastaff.
Butwhatisthedifferencebetweenmodifyingthestaffcontextbyusing\withandmodifying
thestencilsoftheclefandthetimesignaturewith\override,orinthiscase\omit?Themain
differenceisthatchangesmadeina\withclausearemadeatthetimethecontextiscreated,
and remain in forceas s the default values for the duration n of that t context, , whereas \set t or
\overridecommands embeddedinthemusicaredynamic{theymakechangessynchronized
withaparticularpointinthemusic. Ifchangesareunsetorrevertedusing\unsetor\revert
Documents you may be interested
Documents you may be interested