; ; File: FontFolderExtension.a ; ; Contains: Code which opens fonts in the Font Folder and keeps them in ; the resource chain, and additional patches to make this work. ; ; Written by: Dean Yu ; ; Copyright: © 1991-1992 by Apple Computer, Inc. All rights reserved. ; ; Change History (most recent first): ; ; 11/3/92 SWC Replaced INCLUDEs with a LOAD of StandardEqu.d. ; 6/09/92 CSS Roll-in changes from Reality: ; <16> 5/12/92 DTY kFontsFolderType is defined in FoldersEqu.a now. ; <15> 5/8/92 DTY #1029162: The interface for OpenResFileUnderSystemMap ; has changed. Pass in fsCurPerm to the call now for the ; permission to open the font files with. ; <14> 5/8/92 DTY #1029253: After opening the fonts, expand the FCB array by the ; number of fonts opened. ; <1> 4/16/92 PN first checked in ; <13> 1/30/92 DTY Change maxFontFiles to 128. ; <12> 1/22/92 DTY For each font file thatÕs opened, call _ResolveIDConflicts to ; make sure there are no duplicating resource IDs. ; <11> 12/6/91 DTY Remove the code that opens font files, and call _AddSuitcase ; instead. ; <10> 11/11/91 DTY The code was actually stopping after it looked at 50 files, not ; after opening 50 files. ; <9> 11/5/91 DTY Take out the code inserts a font resource map in the resource ; chain, and call _InsertFontMap instead. ; <8> 11/2/91 DTY Take out the one deep patches now that the resource override ; stuff takes care of it all. ; <7> 10/18/91 DTY kCreateFolder is a byte value, not a word value. ; <6> 10/16/91 DTY Set the dontCountOrIndexDuplicatesBit and the twoDeepBit on the ; resource maps of the font files that are opened. ; <5> 10/14/91 DTY Remove _RealFont patch since all the work is now done inline ; inside the Font Manager. ; <4> 10/4/91 DTY Add patches to one deep resource calls (_Get1Resource, ; _Count1Resources, _Get1IxResource, Get1NamedResource, and ; _Unique1ID) to do n-deep resource calls when looking for a font ; resource in the System file. ; <3> 9/30/91 DTY Make the current zone the system zone so that all resource maps ; load into the system heap. ; <2> 9/23/91 DTY Set the sysHeap bit for every resource in the map. Also add a ; limit of 50 files to open. ; <1> 9/19/91 DTY first checked in LOAD 'StandardEqu.d' include 'Folders.a' include 'FileMgrPrivate.a' ; CSS include 'LinkedPatchMacros.a' ; CSS include 'ResourceMgrPriv.a' maxFontFiles equ 128 ; Open a maximum of 128 files isAlias equ 15 resolveSpecialFolderAliases equ 0 ; Bummers. Not allowed to resolve aliases yet. ; ; AddFontsToChain uses _FindFolder to get the Fonts Folder, then ; iterates through all the font files in this folder and adds them ; to the resource chain underneath the System resource map so everyone ; in the world and see these fonts. ; AddFontsToChain Proc Export Import SetSysHeapBit StackFrame Record 0,Decr folderVRefNum ds.w 1 ; vRefNum of volume with Fonts Folder folderDirID ds.l 1 ; Dir ID of Fonts Folder fontFileName ds.b 256 ; Space for file name fontFileSpec ds FSSpec ; <11> catInfoRec ds.b ioHFQElSiz ; CInfoPBRec stackFrameSize equ * EndR With StackFrame link a6,#stackFrameSize movem.l a2-a4/d3-d6,-(sp) ; CSS move.l TheZone,-(sp) ; Save the current heap zone move.l SysZone,TheZone ; Make the system heap the current heap ; ; Find the Fonts Folder ; subq #2,sp move.w #kOnSystemDisk,-(sp) ; Look on the System disk move.l #kFontsFolderType,-(sp) ; Look for the Fonts Folder move.b #kDontCreateFolder,-(sp); CSS <14> DonÕt create it if itÕs not there pea folderVRefNum(a6) pea folderDirID(a6) _FindFolder ; Let _FindFolder do itÕs thing. tst.w (sp)+ ; Error? bne @exitAddFonts ; If anything goes wrong, bail ; ; Tally the number of free FCBs there are before any font files are opened. This is ; the number of free FCBs weÕll want after all the font files are opened. ; moveq #0,d6 ; CSS <14> Clear our counter of free FCBs move.l FCBSPtr,a1 ; CSS <14> point to base of FCB array moveq.l #0,d1 ; CSS <14> clear high word move.w (a1),d1 ; CSS <14> grab length of the array lea.l 2(a1),a0 ; CSS <14> point to base of 1st FCB add.w d1,a1 ; CSS <14> point to end of FCB array @loop suba.w FSFCBLen,a1 ; CSS <14> point to beginning of previous FCB tst.l (a1) ; CSS <14> is it free? bnz.s @notFree addq #1,d6 ; CSS <14> Found another free FCB @notFree cmpa.l a0,a1 ; CSS <14> are we done with the array? bhi.s @loop ; CSS <14> as long as we're above the bottom now move.l TopMapHndl,a2 ; Save current top resource map move.w CurMap,d4 ; And current file reference number ; ; Iterate through the files and add each file to the chain ; moveq #1,d3 ; File index moveq #0,d5 ; <10> Opened file count @findFontFiles lea catInfoRec(a6),a0 ; Get the parameter block clr.l ioCompletion(a0) pea fontFileName(a6) move.l (sp)+,ioNamePtr(a0) move.w folderVRefNum(a6),ioVRefNum(a0) move.w d3,ioFDirIndex(a0) ; File index move.l folderDirID(a6),ioDirID(a0) _GetCatInfo ; Get information about a file bne @expandFCBArray ; CSS If _GetCatInfo comes back with an error, weÕre done ; ; Check to see if this file is an alias. If it is, resolve it ; if resolveSpecialFolderAliases then btst #isAlias,ioFlFndrInfo+fdFlags(a0) ; Check alias bit beq.s @notAlias ; This file isnÕt alias subq #2,sp move.w folderVRefNum(a6),-(sp) move.l folderDirID(a6),-(sp) pea fontFileName(a6) pea fontFileSpec(a6) _FSMakeFSSpec tst.w (sp)+ bne.s @exitAddFonts subq #2,sp pea fontFileSpec(a6) move.w #-1,-(sp) ; Resolve chains pea targetType(a6) pea wasAliased(a6) _ResolveAlias tst.w (sp)+ ; Did the alias resolve? bne.s @tryNextFont ; Nope lea catInfoRec(a6),a0 ; A0 is needed again endif ; ; See if this file is a font file type we recognise ; @notAlias lea fileTypeTable,a1 move.l ioFlUsrWds+fdType(a0),d1 @fileTypeLoop move.l (a1)+,d0 beq.s @tryNextFont cmp.l d1,d0 ; Is it a font file? bne.s @fileTypeLoop ; Nope ; ; Add the file to the resource chain. ; subq #2,sp ; <11> move.w folderVRefNum(a6),-(sp) ; <11> move.l folderDirID(a6),-(sp) ; <11> pea fontFileName(a6) ; <11> pea fontFileSpec(a6) ; <11> _FSMakeFSSpec ; <11> Make an FSSpec for the file tst.w (sp)+ ; <11> If an FSSpec couldnÕt be created, too bad bmi.s @tryNextFont ; <11> subq #2,sp pea fontFileSpec(a6) ; <11> move.b #fsCurPerm,-(sp) ; CSS <15> Use whatever the current permissions are _OpenResFileUnderSystemMap ; <11> Add the font file move.w (sp)+,d0 bmi.s @tryNextFont ; <11> If result was negative, then something blew up and the file wasnÕt added to the chain subq #2,sp ; <12> move.w d0,-(sp) ; <12> _ResolveIDConflicts ; <12> Check for duplicate IDs in this file addq #2,sp ; <12> I couldnÕt care less whether or not conflicts were taken care of at this point. addq #1,d5 ; <10> Another file was opened. @tryNextFont move.l a2,TopMapHndl ; Make the file that contains this InstallProc the top file move.w d4,CurMap ; and make it the current map addq #1,d3 ; And go on to the next file cmpi.w #maxFontFiles,d5 ; <10> See if 128 font files were opened. ble.s @findFontFiles ; Max of 128 font files ; ; Expand the FCB array so that there are as many free FCBs after opening the font files ; as there were before they were opened. ; @expandFCBArray lea catInfoRec(a6),a0 ; CSS <14> move.w d6,ioFCBBurst(a0) ; CSS <14> There should be this many FCBs free after linked patches move.w d6,ioFCBGrow(a0) ; CSS <14> And if there arenÕt make sure there are. _AllocateFCBs ; CSS <14> Grow the FCB block ; ; Git out of here ; @exitAddFonts move.l (sp)+,TheZone ; Restore the original heap zone movem.l (sp)+,a2/d3-d5 unlk a6 rts String Asis fileTypeTable dc.b 'ffil', 'tfil', 'FFIL' dc.l 0 EndProc End