[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]
Subject: RE: [cgmo-webcgm] how to add Style Properties to XCF?
Alt1 + definition of an entity in the DTD. > -----Original Message----- > From: Lofton Henderson [mailto:lofton@rockynet.com] > Sent: Thursday, June 16, 2005 2:32 AM > To: cgmo-webcgm@lists.oasis-open.org > Subject: [cgmo-webcgm] how to add Style Properties to XCF? > > > WebCGM TC, > > Feedback welcome, if you have a preference... > > I think we decided today to add Style Properties to XCF > (correct?). Please > state your preferences about... How should we add them? > > Alt.1: to each element in XCF, add 9 attributes with names as in the SP > table of 5.7.5. > Alt.2: to each element in XCF, add 1 attribute which is a string of 2n > wsp-separated simple string-valued items (names and values). > > RECOMMENDATION: Alt.1 > > DISCUSSION: > > For reference, the method in 5.7.5 is setStyleProperty(name, > value), where > name and value are type WebCGMString. Discussion and examples.... > > Alt.2 would look like, for grobject (4.4) example: > ========== > content > ---- > <grobject apsid="myObj1" styleProperties="stroke-weight 50% > stroke-color #FF0000" ...> > > DTD > ----- > <!ENTITY % grobjectEXT "" > > <!ENTITY % grobjectAttEXT "" > > <!ELEMENT grobject ( linkuri %grobjectEXT; )* > > <!ATTLIST grobject > apsid ID #REQUIRED > screentip CDATA #IMPLIED > region CDATA #IMPLIED > viewcontext CDATA #IMPLIED > visibility ( on | off | inherit) #IMPLIED > interactivity ( on | off | inherit) #IMPLIED > styleProperties CDATA #IMPLIED > %grobjectAttEXT; > > > > and would contain some verbiage about the structure of the string [(name > wsp value wsp)+]. Such verbiage could be centralized in 4.10, "Attribute > encoding", and referenced from each XCF element's section. > > Alt.1 would look like: > ========== > content > ----- > <grobject apsid="myObj1" stroke-weight="50%" > stroke-color="#FF0000" ...> > > DTD > ----- > On every element of XCF, the single styleProperty line of Alt.2 would be > replaced by 9 lines (if we keep text-font, 8 otherwise): > > <!ENTITY % grobjectEXT "" > > <!ENTITY % grobjectAttEXT "" > > <!ELEMENT grobject ( linkuri %grobjectEXT; )* > > <!ATTLIST grobject > apsid ID #REQUIRED > screentip CDATA #IMPLIED > region CDATA #IMPLIED > viewcontext CDATA #IMPLIED > visibility ( on | off | inherit) #IMPLIED > interactivity ( on | off | inherit) #IMPLIED > background-color CDATA #IMPLIED > character-height CDATA #IMPLIED > fill-color CDATA #IMPLIED > intensity CDATA #IMPLIED > stroke-color CDATA #IMPLIED > stroke-weight CDATA #IMPLIED > text-color CDATA #IMPLIED > text-font CDATA #IMPLIED > raster-intensity CDATA #IMPLIED > %grobjectAttEXT; > > > > and would pretty much just point to the table in 5.7.5 for > contents of CDATA. > > Alt.1 seems more natural from the usage perspective, though it is uglier > from the DTD-definition perspective, having to add 9 lines to > every element > in the DTD. (That could be mitigated somewhat -- the DTD of XCF > could also > define an entity and put it in place of the 9 lines.) > > Preferences? > > -Lofton. > > > > >
[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]