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Images
ImagesinxPressoDocuments
YoucanincludeimagesinyourxPressoforAdobeInDesignandxPressoforWorddocumentsin
oneoftwoways:byembeddingtheimageinthedocumentfile,orbyreferencinganexternalimage.
Themethodyouchoosedependsonyoursituation,andmaydifferdocumentbydocument,oreven
imagebyimagewithinadocument.
EmbeddingImages
YouembedimagesinyourxPressoforAdobeInDesignorxPressoforWorddocumentwhenyou
placeimagesinthedocumentusingtheInDesign“place”functionortheMicrosoftWordInsert
Picturefunction,orwhenyouchoosetoembedanimageplacedfromaserverECMrepository(using
thePlaceFromserveroption).InInDesign,justplacingtheimagedoesn’tembeditintotheInDesign
document,itwillhavealinktothefile.IfyouwanttoembedtheimageintheInDesigndocument,
youmustselectEmbedFilefromtheLinkspanelafteryouplacetheimage.
Whethertheimageisinserted,placed,orembedded,theimagefileisincludedinthedocument
packageduringthepackagingprocess,eliminatingthechanceformissingimageerrorsatpublish
time.Embeddingimagesreliesontheimagesbeingavailableatdesigntime.
ExternalImages
Youcaninsertexternalimagesthroughanimagevariable,throughauniversalcontentimage,orby
placingareferencetoaimagecontainedinanECMserverrepository.Imagevariablesareinserted
intoyourdocumentthroughxPressoforAdobeInDesignorxPressoforWordandpointtodatathat
containsthepathandfilenameofanexternalfile. Universalcontentimagesenableyoutoplace
animagethatisstoredlocallyoronanetwork,onthexPressionServer,oryoucanuseavariable
reference.TheimagefileisincorporatedintothedocumentatpublishingtimeonthexPression
Server.WhenyouplaceanimagefromanECMserverrepository,youcanchoosetoinsertareference
totheimage.Youcanalsospecifyifyouwanttouseonlytheversionoftheimagethatyouplaced,or
havethexPressionServerpullthelatestversionoftheimageatpublishtime.
TheimagefileisincorporatedintothedocumentatpublishingtimeonthexPressionServer.When
usingimagevariablesoruniversalcontentimages,youdon’tneedtohavetheimageavailableat
designtime,yourdatajustneedstocontaintheimagepathandname.Imagescanalsochangeover
timewithoutneedingtoupdatethedocument(iftheyfitinthesamespace).Becausetheimagesare
insertedatpublishingtime,andnotincludedinthepackage,itispossibletogeterrorsifimagesare
missing,orincorrectlynamedorreferenced.
Youcanstructureyourexternalimagereferencesforimagevariableseitherbyusingarelativepath,
oranabsolutepath.Inbothcases,youmustensurethattheimagesexistontheclientandtheserver
inthecorrectlocation.Ifyouspecifytheentirepath,youmustalsoensurethattheexactsamepath
existsontheclientandontheserver.Formoreinformation,seeStructuringRelativeExternalImage
References,page42.
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Images
StructuringRelativeExternalImageReferences
Youcanstructureyourexternalimagereferencesforimagevariableseitherbyusingarelativepath,
oranabsolutepath.Inbothcases,youmustensurethattheimagesexistontheclientandtheserver
inthecorrectlocation. Ifyouspecifytheentirepath,youmustalsoensurethattheexactsamepath
existsontheclientandontheserver.
ExternalimagesreferencedthroughrelativepathsmustresideintheimagedirectoryonthexPresso
forAdobeInDesignorxPressoforWordclientcomputer,aswellasintheimagedirectoryonthe
xPressionServer.
Thedefaultimagedirectoriesare:
• xPressoforAdobeInDesignclient:
— WindowsXP:[Drive:]\DocumentsandSettings\AllUsers\ApplicationData\xPresso
\[version#]\xPressoforInDesign\CS[#]\Images
— Windows7&Windows2008:[Drive:]\ProgramData\xPresso\[version#]\xPressofor
InDesign\CS[#]\Images
— Macintosh:[xPressoforInDesignInstallDirectory]\xPresso\image
• xPressoforWordclient:
— WindowsXP:[Drive:]\DocumentsandSettings\AllUsers\ApplicationData\xPresso
\[version#]\xPressoforWord\office20[##]\Images
— Windows7&Windows2008:[Drive:]\ProgramData\xPresso\[version#]\xPressofor
Word\office20[##]\Images
ThedirectorylocationontheserverisdefinedinthexPRSConfig.xmlfile,whichisfoundinthe
[x
P
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e
s
s
i
o
n
H
o
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]\directory.
Tousearelativepath,you’dstructurethereferenceinyourdatalikethis:<image>logo.jpg<image>.
Thelogo.jpgimagemustbelocatedinthedefaultimagedirectoryontheclientandtheserverinorder
forittobefoundduringpreviewing(ontheclient)andpublishing(ontheserver).
WorkingwithImagesinYourDocument
WhenyouaddimagestoyourxPressoforAdobeInDesignorxPressoforWorddocument,you
canscalethem,rotatethem,andcropthemasnecessary. Imagescanberotatedarbitrarilyatany
angle.Imagescanalsobecroppedwithinaframe,sothatonlythepartoftheimagethatyouwant
toshowwillappearintheoutput.
ScalingImages
Whenyouinsertimagesintoyourdocument,youcanscaleandrotatetheminanywayyoulike
interactivelyusingthedesigntoolinterface.Whenyouinsertexternalimagesthroughimagevariables
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Images
oruniversalcontent,thescalingisdoneatpublishingtimewhentheimageisplacedinthedocument.
Youcanchoosefromthefollowingscalingoptionsforimagevariablesanduniversalcontentimages:
• OriginalSize. Placestheimageintheframeatitsoriginalsize(100%).
• FillContenttoFrame.Scalesthexandysizeoftheimagetocompletelyfilltheframe.
• FitContentProportionally.Scalestheimagetothesizeofthegraphicframewhilemaintaining
properaspectratio. Thismethodislossless,meaningthattheimagewillbestretchedor
compressedinbothwidthandheightsothattheimagecanbedisplayedaslargeaspossibleand
inthecorrectproportions.
• FillFrameProportionally.Scalestheimagetothesizeofthegraphicframe,whileexpanding(or
compressing)themeasurement(widthorheight)thatreachestheboundsoftheframefirstuntil
theothermeasureisexactlythewidthorheightoftheframe.Theresultingimageisproportional
andfillstheentireframe,butsomeoftheimagecontentwillbecroppedbythegraphicframe.
TransparencyandOpacityinInDesign
InAdobeInDesign,opacityistheamountoftransparencythatexistsinanimage. Ifanimagehas
100percentopacity,itisnottransparentatall. Asyoudecreasetheamountofopacity,itbecomes
moretransparent.
xPressoforAdobeInDesignsupportstransparency,asdefinedinInDesign,onlyinPDFandPPML
output. TransparencyissupportedinPostScriptoutputthroughtheuseofEPSimages.
InDesignenablesyoutoassignatransparencyvalueontwodifferentlevels.Onthefirstlevel,you
cansettransparencyonaframeorgroupofframes.Onthesecondlevel,youcansettransparency
separatelyontheframeborder,framebackground,andframecontent(textandimagewithinthe
frame).Thetransparencyvaluespecifieddefineshowtransparenttheobjectshouldbe.
ThetransparencysettingsdefinedinInDesignaredifferentthanalphachannelsthatyouwouldfind
withinanimage,suchasaPNGimage.xPressoforAdobeInDesignsupportsonlythespecified
transparentvalue(whichwillbeconstantthroughouttheobject)asdefinedinInDesign. Alpha
channels,wherethevaluewillbedifferentondifferentpositionsofoneobject,arenotsupported.
xPressoforAdobeInDesignsupportsalltheoptionsontheEffectsdialogboxforTransparency:
• BasicBlendingMode.Specifieshowthecolorsintransparentobjectsinteractwiththeobjects
behindthem. Eachofthe17blendmodesissupported.
• BasicBlendingOpacity. Determinestheopacityofanobject,includingstroke,fill,text,image
andgroup. Thevaluerangesfrom0to1,with0makingtheobjectinvisible,and1makingthe
objectopaque.Anyvaluebetween0and1makestheobjecttransparent.
• IsolateBlending.Limitstheblendingtospecificobjects.Whenblendingisappliedtoanobject,
thecolorsblendwithalltheobjectsbeneathit.TheIsolateBlendingoptionconfinestheblending
towithintheselectedgroup,preventingobjectsbeneaththegroupfrombeingaffected.
• KnockoutGroup. Makestheopacityandblendingattributesofeveryobjectintheselected
groupvisuallyblockout(knockout)underlyingobjectsinthegroup. Onlyobjectswithinthe
selectedgroupareknockedout;objectsbeneaththegrouparestillaffectedbytheblendingor
opacityappliedtothem.
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xPressiondoesnotcontrolthefinalpresentationoftransparencyintheoutput;theresultiscontrolled
bytheviewerusedtodisplaythePDFfile.TransparencyissupportedinAdobePDFversion1.4and
above.AcrobatReader8ornewerisrequiredtoseetransparencyinxPressoforAdobeInDesign
PDFoutput.
Note: AframethatcontainstransparencycanonlybesnapshotusingPDFforthesnapshotimage
type.Usingarasterimagetypeforasnapshotofaframethatcontainstransparencyisnotsupported.
Formoreinformationonthesnapshotfunction,seethexPressoforAdobeInDesignUserGuide.
HowxPressionHandlesImages
InthexPressionenvironment,imagescanbestoredinseverallocations.
• ThexPressionRepository-MostimagesarestoredinthexPressionRepositoryandmanaged
throughtheImageUtilityinxAdmin.YoucandirectlyuploadimagestothexPressionRepository
throughxAdmin,letxPressionautomaticallyuploadimagestoxAdminaftertheyareusedinan
xDesigncontentitem,orimportanECMDocumentumimagetothexPressionRepositorythrough
xDesign. xPressoforAdobeInDesignandxPressoforWordalsohaveaccesstothexPression
Repositoryforplacingimagesindocuments.
• DocumentumxPressionRepository-IfyouarelicensedforDocumentumEdition,youalsohave
theoptionofstoringimagesintheDocumentumxPressionRepository.xDesign,xPressofor
InDesign,andxPressoforWordcanallhaveaccesstotheDocumentumxPressionRepository
forplacingimagesindocuments.
• AnECMrepository-YoucanstoreimagesinadditionalDocumentumDocbaseorFileNet
repositories. xPressionwillpulltheimagefromtheECMrepositorywhenitisviewedor
published.
• Onthefilesystem-Youcaninsertimagesasexternalimagereferences.Thisenablesyoutostore
yourimagesondirectoryaccessiblebythexPressionserver.
ThexAdminImageUtility
Toaccesstheimageutility,clickImageUtilityfromthexAdminResourceManagementmenu.The
ImageUtilityenablesyoutoadd,update,preview,anddeleteimages.Fromtheimageutilitylist,you
cancompletethefollowingactions.
Element
Description
Add
EnablesyoutoaddanewimagefamilytothexPressionRepository.
Update
Enablesyoutoupdateanexistingimagefamily.Selecttheimagefamilyyouwantto
update,andclickUpdate.
Preview
EnablesyoutopreviewanimageinthexPressionRepository. Selectanimageformat
andclickPreview.
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Images
Element
Description
Delete
SelectoneormoreimagefamiliesandclickDeletetopermanentlyremovethemfrom
thexPressionRepository.
ImageFamilyName
List
Clicktheimagefamilynametoaccesstheimagefamilyoptions.
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Images
ImportinganImagetotheImageManagementUtility
WhenyouimportanimageintothexPressionRepository,youarereallysettingupanimagefamily
forthedifferentversionsoftheimageyoumightneed.
Toaddanewimage:
1. FromtheImageManagementUtilitypage,clickAdd.
2. TheAddImageFamilypageappears. . Youcanspecifythefamilynameandspecifyanoptional
webformat. Supplyanamefortheimagefamily. Thenamemustbebetween1and255
alphanumericcharactersinlength. Thenamemustbeuniqueandiscase-sensitive.
3. IntheImportLocalImagebox,supplythepathandfilenameoftheimageyouwanttoimport.
YoucanusetheBrowsebuttontoselectanimagefromyourfilesystem,ortypethefully-qualified
pathandfilenamefortheimage.
4. TheWebFormatboxenablesyoutocontrolwhichimageisusedforHTML,e-mail,orPDF
documents. Forexample,youmaywanttouseaJPEGimageoraGIFimageofaparticular
resolution. IfyoudonotselectanimageforWebformat,xPressionautomaticallyconvertsyour
imageforwebuseunlesstheoriginalimageisalreadyinasuitableformat.xPressionsetsthe
resolutionforauto-generatedWebimagesat100dpi.
YoucanusetheBrowsebuttontoselectanimagefromyourfilesystem,ortypethefully-qualified
pathandfilenamefortheimage.
5. ClickSavetouploadtheselectedimagetothexPressionRepository.
ImagesinYourxDesignDocuments
ImagesinxDesigndocumentscanoriginatefromfourdifferentlocations. First,youcanupload
imagestoyourxPressionRepositorythroughxAdmin,andtheninsertthemintoyourimages
asneeded. Secondly,youcaninsertimagesdirectlyintoanxDesigncontentitemfromyourfile
system. WhenxPressionsavesthecontentiteminxDesign,itautomaticallyuploadstheimageto
thexPressionRepository.Third,youcanretrieveimagesfromanECMDocumentumDocbaseand
insertthemintoyourcontentitembyreference,orimportthemintoyourdocumentandxPression
Repository.Finally,youcaninsertimagesasanexternalreference.Thisenablesyoutostoreimages
onanetworkaccessibledirectoryandsimplyreferencethatpathinyourxDesigncontentitem.
ImagesinYourxPressoDocuments
YoucanincludeimagesinyourxPressodocumentsbyembeddingstaticimagesdirectlyinto
yourdocument,orbyincludingareferencetoanexternalimagethroughanimagevariableora
universalcontentimage,orbyareferencetoanimageinanxPressionorECMrepository.Formore
information,seeImagesinxPressoDocuments,page41.
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Images
PrinterResidentImages
Someprintersenableyoutostoreimagesintheprintermemory.Storinganimageintheprinter
memoryincreasesprintingperformancebecausetheimagedoesnotneedtobedownloadedfromthe
xPressionRepository.xPressionenablesyoutousethisfeaturebymatchingyourPrinterResident
ImageswiththeimagesinyourxPressionRepository.
ThisfeatureappliestoxDesignandxPressoforInDesigncontent.Theprinterresidentimagescan
onlybeusedasUCinthedocumentscreatedbyxPressoforInDesign.Youdonothavetoperform
anyspecificactionsinxDesigntouseprinterresidentimages.Simplyinsertyourimagesintoyour
documentandensurethatyourimagehasbeenaddedtothexPressionRepository.
ThisfeatureappearsinPrinterDefinitions,whichareconfiguredthroughthexPublishOutput
ManagementmenuinxAdmin.InthePrinterResidentImagesection,youaddimagestothelist,
definetheirlocationinyourprintermemory,andmapthemtoimagefamiliesfromyourxPression
Repository.
Foreachimagethatyoustoreontheprintermemory,youmuststoreacopyofthatimageinthe
xPressionRepository. xPressionusesthexPressionRepositoryversionforviewingandediting
purposes. ThenyoumustmapyourprinterresidentimagestotheimagesinyourxPression
Repository.
Addinganimagetothislistdoesnotactuallyloadtheimageontotheprinter. Youmustuseyour
printer’simportfunctionstoloadimagestotheprinterpriortoproducingyourdocuments.
ImageOptimizationinAFPOutput
WhenimageoptimizationisturnedoffinanxAdminprinterdefinition,imagesarerepeatedly
embeddedintotheoutputfile,increasingthefile’ssize.ForAFPoutput,onlyTIFFGroup4and8–bit
JPGimagesaresupportedforembeddingintheoutputfile,allotherimagetypeswillbediscarded.
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Images
GoingintoProduction
BeforeyouplaceyourxPressiondocumentintoproduction,takeapassthroughthefollowingimage
checklist:
• Arealltheimageformatsusedinthedocumentcompatiblewiththeoutputtype?
• DoalltheimageshavetheappropriateDPIfortheoutputtype?
• Arealltheimagesappearingasexpectedwhenpreviewingthedocumentthroughthedesign
client?
• Haveallexternalimagesbeenplacedinthecorrectlocationontheserver?
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Chapter3
UsingFonts
Placingtypeonapageisaverycomplexprocess.Allsystemsthathandledocumentshaveaspecial
mechanismtodealwithtypeandtypography. Eachfontconsistsofaseriesofhundredsoreven
thousandsofuniquelittlepictures.Eachpageoftextmaycontainthousandsoftheselittlepictures.
Inordertosupportthisrathercomplexconcept,allpagedescriptionlanguages(PDLs)andcomputer
operatingsystemshaveaspecialmechanismspecificallydesignedtooptimizehandlingofcharacters
oftext.
Thissectionwillexplainthenotionsrequiredtosupportsettingoftype,howtheyaredescribedin
fontfiles,andhowtheyareprocessedbyxPressionusingvariousPDLs.
AnatomyofaFont
Atypefaceorfontisaverycomplicatedcompositeobjectthatismadeupofalotofparts.This
sectionwilllookatthevariouspiecesandhowtheytogetherprovidealloftheinformationnecessary
todescribeatypeface.
Glyphs
G
l
y
p
h
s
aretheshapesgiveninaparticulartypefacetoaspecificsymbol. Itisaparticulargraphical
representationofacharacter.Thinkofafontasalotofverycarefullydrawnlittledrawings. The
glyphisthislittledrawing.Differentfontshaveadifferentnumberofglyphs.Forexample,afontcan
containafullwesterncharactersetaswellasafullChinesecharacterset.
Latin,orWesternEuropeanlanguagesuseasmallnumberofcharacters,typicallylessthan30.
ChineseandJapaneselanguagesusemanythousandsofcharacters.
FontMetrics
F
o
n
t
m
e
t
r
i
c
s
defineinformationsuchascharacterwidthandheight. Applicationsthatusefonts
generallystackcharactersupagainsteachother. Typicallythespacedefinedbythefontmetricis
widerthantheactualglyph,otherwisecharacterswouldtouchoroverlap.
Fontmetricstellapplicationshowmuchspaceacharacteroccupies.
49
UsingFonts
Allapplicationsthatsettypemustknowthisinformationtodeterminewhentobreaklines,and
wheretoplacethecharactersrelativetoeachother.
Alsoincludedinfontmetricsarekernpairs.K
e
r
n
i
n
g
istheadjustmentofthespacingbetweentwo
specificcharacterswhentheyappeartogether. TheclassicexampleisAW.
Kerningcanbepositiveornegative.Inthefikernpair,spaceisaddedbetweenthecharacters.
KerningisnotcurrentlysupportedbyxPression.
Encoding
E
n
c
o
d
i
n
g
istheassociationofanumberwithaglyphinafont. Charactersintextarerepresented
bynumericvalues.Whenyoupressakeyonakeyboard,youarereallyenteringanumberintothe
computer.Thecomputertakesthatnumberandusingtheencodingofthefont,matchesituptoa
littledrawingofacharacterforyou. Thisisencoding.
SingleByteandDoubleByte
Computersusebinarynumberstostoreeverything.Thestandardunitisthe"Byte."Thisisan8-bit
quantitythatcanstore256values. ForWesternlanguages,256isplentyofcharacterstorepresent
mostdocuments,buttheChineseandJapaneselanguagesrequirethousandsofcharacters.Forthese
languages,weneedtocounthigherthanjust256,andthereforeweneedtouseabiggerunitthana
bytetostoreit. Ifweuse2bytesweget216or65,536uniquenumberstousetoidentifycharacters.
WithxPressionwecanusesinglebyte,doublebyteencoding,orboth.
ForsinglebytefontsxPressionusesWinANSIcodepage1252encoding,forlargecharactersets
xPressionusesUnicodeencoding.
WINANSI
Windows-1252isacharacterencodingoftheLatinalphabetusedbydefaultinthelegacycomponents
ofMicrosoftWindowsinEnglishandsomeotherWesternlanguages.Thischartshowshoweach
hexadecimalnumbercanbeassociatedwithaglyph.
50
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