Home » Archimedes archive » Zipped Apps » ArtWorks » !Boot/Resources/!System/!CCShared/!TransJPEG/!RunImage

!Boot/Resources/!System/!CCShared/!TransJPEG/!RunImage

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

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Filename: !Boot/Resources/!System/!CCShared/!TransJPEG/!RunImage
Read OK:
File size: 5671 bytes
Load address: 0000
Exec address: 0000
File contents
    1REM > !RunImage
    2
    3REM ---------------------------------------------------------------------------
    4
    5REM  Aurthor   - Mike Kenny @ Computer Concepts Ltd.
    6REM  Purpose   - Basic code to perform translation of JPEG files to sprites
    7REM  Version   - 1.00
    8REM  Started   - 21/12/93
    9REM  Completed -
   10REM  Changes
   11REM  21/12/93  MJK  Originated this file.
   12
   13REM ---------------------------------------------------------------------------
   14
   15ON ERROR PROCReportSystemError(REPORT$):END
   16Debug%=FALSE
   17
   18DIM blk 1024
   19DIM scratch 1024
   20DIM PackName 256
   21DIM bmdb 40
   22DIM icons% 256
   23DIM win_buff% 1024
   24
   25PROCvars
   26PROCcode
   27PROCMem_Init
   28PROCW_Initialise(app_name$)
   29T%=FNloadresources
   30IF T%=FALSE THEN PROCW_CloseDown:END
   31PROCwin_load_create(app_path$+".Resources.Templates","control",-1,ctrlh%)
   32PROCloadcoltable
   33PROCW_Poll
   34PROCW_CloseDown
   35END
   36
   37
   38DEF PROCvars
   39app_name$="TransJPEG"
   40app_path$="<TransJPEG$Dir>"
   41app_leaf$="TJPEG"
   42
   43FType_Sprite = &FF9
   44FType_Draw   = &AFF
   45
   46mess_Size    = 0
   47mess_Sender  = 4
   48mess_MyRef   = 8
   49mess_YourRef = 12
   50mess_Type    = 16
   51mess_Data    = 20
   52mess_Length  = mess_Size
   53mess_TaskID  = mess_Sender
   54mess_Action  = mess_Type
   55mess_SIZE    = 256
   56
   57DataSave% = 1
   58DataSaveAck% = 2
   59DataLoad% = 3
   60DataLoadAck% = 4
   61dloadref%=0
   62dsaveref%=0
   63
   64ST_1bpp  = 1
   65ST_2bpp  = 2
   66ST_4bpp  = 3
   67ST_8bpp  = 4
   68ST_16bpp = 5
   69ST_32bpp = 6
   70ST_CMYK  = 7
   71ST_24bpp = 8
   72ST_Shift = 27
   73ST_Mask  = &F8000000
   74
   75type_icon%=7
   76dith_icon%=11
   77ok_icon%=3
   78cancel_icon%=16
   79
   80Jtype_Unkown    = 0
   81Jtype_Greyscale = 1
   82Jtype_RGB       = 2
   83Jtype_CMYK      = 3
   84Jtype_YCbCr     = 4
   85Jtype_YIQ       = 5
   86
   87dith_none   = 0<<2
   88dith_simple = 1<<2
   89dith_floyd  = 2<<2
   90dith_forwards = 0<<5
   91dith_backward = 1<<5
   92dith_zigzag = 2<<5
   93ENDPROC
   94
   95DEF PROCW_Initialise(n$)
   96$blk = "TASK"
   97SYS "Wimp_Initialise",200,!blk,app_name$ TO ,TaskHandle%
   98ENDPROC
   99
  100DEF PROCW_Poll
  101poll_mask% = %000110001
  102quit% = FALSE
  103REPEAT
  104SYS "Wimp_Poll",poll_mask%,blk TO reason%
  105CASE reason% OF
  106  WHEN 2:PROCW_OpenWindow
  107  WHEN 3:PROCW_CloseWindow
  108  WHEN 6:PROCW_MouseClick
  109  WHEN 17,18:PROCW_Message
  110  WHEN 19:PROCW_RecordedMessage
  111ENDCASE
  112UNTIL quit%
  113ENDPROC
  114
  115DEF PROCW_OpenWindow
  116SYS "Wimp_OpenWindow",,blk
  117ENDPROC
  118
  119DEFPROCW_CloseWindow
  120SYS "Wimp_CloseWindow",,blk
  121ENDPROC
  122
  123DEF PROCW_CloseDown
  124$blk = "TASK"
  125SYS "Wimp_CloseDown",TaskHandle%,!blk
  126ENDPROC
  127
  128DEF PROCW_MouseClick
  129wind%=blk!12
  130icon%=blk!16
  131IF wind%=ctrlh% THEN PROCcontrol_click(icon%)
  132ENDPROC
  133
  134DEF PROCW_Message
  135LOCAL ref%,task%,comm%
  136ref% =blk!8                            :REM the senders ref
  137task%=blk!4                            :REM the senders task id
  138IF task%=TaskHandle%:ENDPROC           :REM ignore if we sent it
  139 CASE blk!16 OF
  140  WHEN 0: quit%=TRUE
  141  WHEN 2: PROCDataSaveAck
  142  WHEN 4: PROCDataLoadAck
  143  WHEN &80E1F:PROCReceivedTransFFG(blk)
  144ENDCASE
  145ENDPROC
  146
  147DEF PROCW_RecordedMessage
  148ref% =blk!8                            :REM the senders ref
  149task%=blk!4                            :REM the senders task id
  150 CASE blk!16 OF
  151  WHEN DataSave%: IF ref%=dsaveref% THEN quit%=TRUE
  152  WHEN DataLoad%: IF ref%=dloadref% THEN quit%=TRUE
  153 ENDCASE
  154ENDPROC
  155
  156
  157REM ---------------------------------------------------------------------------
  158REM
  159REM String manipulation section
  160REM
  161REM ---------------------------------------------------------------------------
  162
  163DEF FNgetstring(a%)
  164LOCAL a$
  165a$=""
  166WHILE ?a%>=32
  167  a$=a$+CHR$(?a%)
  168  a%+=1
  169ENDWHILE
  170=a$
  171
  172DEF PROCpokestr(s$,ptr,pad)
  173LOCAL m%
  174FOR m%=0 TO pad-1
  175 ptr?m%=0
  176NEXT
  177$ptr=LEFT$(s$,pad-1)
  178ENDPROC
  179
  180
  181REM ---------------------------------------------------------------------------
  182REM
  183REM Data loading section
  184REM
  185REM ---------------------------------------------------------------------------
  186
  187DEF PROCReceivedTransFFG(mess)
  188IF FNgetstring(mess+48)<>app_name$ THEN quit%=TRUE:ENDPROC
  189oftype%=mess!44
  190CASE oftype% OF
  191WHEN FType_Draw :oflags%=0
  192WHEN FType_Sprite :oflags%=1
  193OTHERWISE oflags%=256
  194ENDCASE
  195IF oflags%=256 THEN PROCResError("JP05"):quit%=TRUE:ENDPROC
  196dwin%=mess!20
  197dicon%=mess!24
  198dix%=mess!28
  199diy%=mess!32
  200sender%=mess!4
  201myref%=mess!8
  202orig%=mess!36
  203fpath$=FNgetstring(mess+104)
  204flen%=FNFileLength(fpath$)
  205IF flen%=0 THEN PROCResError("JP01"):quit%=TRUE:ENDPROC
  206PROCSendTranslateFFGAck
  207cl%=FNcontrol_config(fpath$,flen%)
  208IF cl% THEN
  209 PROCwin_topcentred(ctrlh%)
  210ELSE
  211 quit%=TRUE
  212ENDIF
  213ENDPROC
  214
  215DEF FNcontrol_config(p$,fl%)
  216JCache%=FNClaim(1024)
  217IF JCache%=-1 THEN PROCResError1("JP08",bytereq%):=0
  218!JCache%=1024
  219SYS "XDJPEG_DescribeImage",1,p$,JCache%,fl% TO jflags,xres,yres,sinfo,xden,yden,jworklen;flags%
  220IF flags% AND 1 THEN PROCPeekError(jflags):=0
  221itype%=jflags AND &F
  222IF itype%<>Jtype_Greyscale AND itype%<>Jtype_YCbCr THEN PROCResError("JP04"):=0
  223insample%=sinfo AND &FF
  224isampbit%=(sinfo>>8) AND &FF
  225ibpp%=insample%*isampbit%
  226IF isampbit%<>8 AND isampbit%<>12 THEN PROCResError("JP02"):=0
  227PROCshowres
  228=TRUE
  229
  230DEF PROCcontrol_click(i%)
  231IF i%>(type_icon%-1) AND i%<(type_icon%+3) THEN PROCshowsize
  232IF i%=ok_icon% THEN PROCcontrol_ok
  233IF i%=cancel_icon% THEN  PROCMem_KillSlot:quit%=TRUE
  234ENDPROC
  235
  236
  237DEF PROCcontrol_ok
  238cl%=FNFilterJPEG(1,fpath$,flen%,oflags%)
  239IF orig%<>0 THEN PROCDeleteFile(fpath$)
  240IF cl% THEN
  241 PROCReturnFile(sender%,cl%,oftype%)
  242ELSE
  243 PROCMem_KillSlot
  244 quit%=TRUE
  245ENDIF
  246ENDPROC
  247
  248
  249DEF PROCshowres
  250PROCcontrol_info
  251i%=9
  252CASE itype% OF
  253WHEN Jtype_Greyscale:s$="JFIF Greyscale, 8bpp":i%=7
  254WHEN Jtype_YCbCr:s$="JFIF YCbCr, 24bpp":i%=9
  255ENDCASE
  256PROCicon_write(ctrlh%,14,"Type="+s$)
  257PROCicon_write(ctrlh%,5,"Resolution="+STR$xres+"x"+STR$yres+" pixels")
  258PROCicon_setselradio(ctrlh%,i%,1)
  259PROCshowsize
  260ENDPROC
  261
  262DEFPROCshowsize
  263PROCcontrol_info
  264fsize%=FNImageSize(obpp%,xres,yres)
  265SYS "OS_ConvertFileSize",fsize%,scratch,256
  266s$=FNgetstring(scratch)
  267PROCicon_write(ctrlh%,6,s$)
  268ENDPROC
  269
  270DEF FNImageSize(bpp%,x%,y%)
  271LOCAL size%,bits%
  272IF bpp%<16 THEN size%=(1<<bpp%)*8 ELSE size%=0
  273bits%=((x%*bpp%)+31) AND -32
  274bits%=bits%>>3
  275size%=44+size%+y%*bits%
  276=size%
  277
  278DEF PROCcontrol_info
  279otype%=FNwin_getselradio(ctrlh%,1)-type_icon%
  280odith%=FNwin_getselradio(ctrlh%,2)-dith_icon%
  281IF otype%=0 OR otype%=1 THEN obpp%=8 ELSE obpp%=32
  282ENDPROC
  283
  284
  285DEF PROCSendTranslateFFGAck
  286scratch!12=myref%
  287scratch!16=&80E20
  288scratch!0=20
  289SYS "Wimp_SendMessage",17,scratch,sender%
  290ENDPROC
  291
  292
  293DEF PROCDataSaveAck
  294IF blk!mess_YourRef<>dsaveref% THEN ENDPROC
  295spath$=FNgetstring(blk+44)
  296s%=FNSaveTransFile(spath$,blk!40)
  297IF s% THEN
  298  sender%=blk!mess_Sender
  299  blk!12=blk!8
  300  blk!mess_Type=DataLoad%
  301  SYS "Wimp_SendMessage",18,blk,sender%
  302  dloadref%=blk!mess_MyRef
  303ELSE
  304  quit%=TRUE
  305ENDIF
  306ENDPROC
  307
  308
  309DEF PROCDataLoadAck
  310yref%=blk!mess_YourRef
  311IF blk!mess_YourRef=dloadref% THEN quit%=TRUE
  312ENDPROC
  313
  314
  315DEF PROCReturnFile(sndr%,len%,ftype%)
  316IF FNdoesvarexist("Wimp$Scrap")<>0 THEN
  317  blk!mess_YourRef=0
  318  blk!mess_Type=DataSave%
  319  blk!20=dwin%
  320  blk!24=dicon%
  321  blk!28=dix%
  322  blk!32=diy%
  323  blk!36=len%
  324  blk!40=ftype%
  325  $(blk+44)=app_leaf$
  326  blk!0 =((45+LEN(app_leaf$))+3) AND -4
  327  SYS "Wimp_SendMessage",18,blk,sndr%
  328  dsaveref%=blk!8
  329ELSE
  330  PROCResError("WSNF")
  331  quit%=TRUE
  332ENDIF
  333ENDPROC
  334
  335
  336DEF FNdoesvarexist(v$)
  337LOCAL e%
  338SYS "XOS_ReadVarVal",v$,scratch,-1,0,3 TO ,,e%
  339=e%
  340
  341
  342REM ---------------------------------------------------------------------------
  343REM
  344REM File handling section
  345REM
  346REM ---------------------------------------------------------------------------
  347
  348DEF FNFileLength(path$)
  349LOCAL type%,len%
  350SYS "OS_File",5,path$ TO type%,,,,len%
  351IF type%<>1 THEN len%=0
  352=len%
  353
  354DEF PROCDeleteFile(p$)
  355LOCAL flags%
  356SYS "XOS_File",6,p$ TO ;flags%
  357ENDPROC
  358
  359DEF FNFileLength(path$)
  360LOCAL type%,len%
  361SYS"OS_File",5,path$TOtype%,,,,len%
  362IF type%<>1 THEN len%=0
  363=len%
  364
  365REM ---------------------------------------------------------------------------
  366REM
  367REM Error section
  368REM
  369REM ---------------------------------------------------------------------------
  370
  371DEF PROCReportWimpError(report$)
  372!scratch = 0
  373$(scratch+4)=report$
  374?(scratch+4+LENreport$)=0
  375SYS "Wimp_ReportError",scratch,%1,app_name$
  376ENDPROC
  377
  378DEF PROCReportSystemError(report$)
  379!scratch = 0
  380report$=report$+" internal error ("+STR$(ERL)+")"
  381$(scratch+4)=report$
  382?(scratch+4+LENreport$)=0
  383SYS "Wimp_ReportError",scratch,%1,app_name$
  384ENDPROC
  385
  386DEF PROCResError(r$)
  387r$=FNFindResourceString(r$)
  388PROCReportWimpError(r$)
  389ENDPROC
  390
  391DEF PROCResError1(r$,x%)
  392LOCAL p%
  393r$=FNFindResourceString(r$)
  394p%=INSTR(r$,"%d")
  395IF p%>0 THEN
  396  r$=LEFT$(r$,p%-1)+STR$x%+RIGHT$(r$,LENr$-1-p%)
  397ELSE
  398  p%=INSTR(r$,"%h")
  399  IF x>0 THEN r$=LEFT$(r$,p%-1)+STR$~x%+RIGHT$(r$,LENr$-1-p%)
  400ENDIF
  401PROCReportWimpError(r$)
  402ENDPROC
  403
  404DEF PROCPeekError(err%)
  405PROCReportWimpError(FNgetstring(err%+4))
  406ENDPROC
  407
  408DEF FNloadresources
  409LOCAL l%,res$,claim
  410res%=0
  411SYS "OS_Byte",70,127 TO ,cnum%
  412SYS "OS_ServiceCall",0,&43,2,0,scratch,32 TO ,claim
  413IF claim=0 THEN
  414  res$="UK"
  415ELSE
  416  res$=FNgetstring(scratch)
  417ENDIF
  418res$=app_path$+".Resources."+res$
  419l%=FNFileLength(res$)
  420IF l%=0 THEN PROCReportWimpError("resource file not found"):=FALSE
  421res%=FNClaim(l%+4)
  422IF res%=-1 THEN PROCReportWimpError("Not enough memory to load resources"):=FALSE
  423res%!0=l%
  424OSCLI "LOAD "+res$+" "+STR$~(res%+4)
  425=TRUE
  426
  427DEF FNFindResourceString(r$)
  428LOCAL l%,rend%
  429IF res%=0 THEN ="Unknown resource error: "+r$
  430l%=res%!0
  431a%=res%+4
  432rend%=res%+l%+4
  433f%=FALSE
  434WHILE a%<rend% AND NOT f%
  435 s$=CHR$(a%?0)+CHR$(a%?1)+CHR$(a%?2)+CHR$(a%?3)
  436 IF s$=r$ THEN
  437   s$=FNgetres(a%+5,rend%):f%=TRUE
  438 ELSE
  439   WHILE ?a%>31 AND a%<rend%
  440     a%+=1
  441   ENDWHILE
  442   a%+=1
  443 ENDIF
  444ENDWHILE
  445IF f% THEN =s$
  446="Unknown resource error: "+r$
  447
  448DEF FNgetres(r%,e%)
  449LOCAL a$
  450a$=""
  451WHILE ?r%>=32 AND r%<e%
  452  a$=a$+CHR$(?r%)
  453  r%+=1
  454ENDWHILE
  455=a$
  456
  457
  458
  459
  460REM ---------------------------------------------------------------------------
  461REM
  462REM Memory bits
  463REM
  464REM Ensuremem will ensure that there is enough memory in the variable buffer.
  465REM This buffer is held above HIMEM, using Wimp_SlotSize to resize the amount
  466REM of memory free.
  467REM
  468REM ---------------------------------------------------------------------------
  469
  470
  471DEF PROCMem_Init
  472MyHimem =HIMEM
  473base    =HIMEM
  474insert  =base
  475SYS "Wimp_SlotSize",-1,-1 TO origslot%,envnext,envfree
  476SYS "OS_ReadMemMapInfo" TO pagesize,numpages
  477ENDPROC
  478
  479
  480DEF FNClaim(req)
  481req=(req+3) AND -4
  482IF (insert+req)<MyHimem THEN insert=insert+req:=insert-req
  483SYS "Wimp_SlotSize",-1,-1 TO current,next,free           :REM get slot info
  484newhimem=insert+req
  485bytereq%=(newhimem-MyHimem)-free
  486kreq%=((bytereq%+1023) AND -1024)>>10
  487newhimem+=pagesize-1
  488newhimem =newhimem AND (NOT (pagesize-1))
  489IF newhimem-MyHimem>free THEN =-1
  490next=next-(newhimem-MyHimem)
  491current=current+(newhimem-MyHimem)
  492SYS "Wimp_SlotSize",current,next TO current,next,free
  493MyHimem=current+&8000
  494insert=insert+req
  495=insert-req
  496
  497DEF PROCMem_KillSlot
  498SYS "Wimp_SlotSize",origslot%,envnext,envfree
  499PROCMem_Init
  500ENDPROC
  501
  502
  503DEF PROCloadcoltable
  504PalData = FNClaim(34*1024)
  505IF PalData=-1 THEN
  506 PalPtr%=-1:RevMap%=-1
  507ELSE
  508 PalPtr%=PalData
  509 RevMap%=PalData+2048
  510 SYS "Image_Misc",0,1,8,PalPtr%
  511 SYS "OS_File",&FF,"<TransJPEG$Dir>.ColTable",RevMap%
  512 REM PalPtr%=-1:RevMap%=-1
  513ENDIF
  514ENDPROC
  515
  516REM ---------------------------------------------------------------------------
  517REM
  518REM Ok finally application related code
  519REM
  520REM ---------------------------------------------------------------------------
  521
  522
  523DEF FNFilterJPEG(cf%,path$,jlen%,flg%)
  524IF cf%<>1 THEN =0
  525JWorkSpace%=FNClaim(jworklen)
  526IF JWorkSpace%=-1 THEN PROCResError1("JP07",bytereq%):=0
  527SYS "XDJPEG_OpenStream",1,path$,JCache%,JWorkSpace% TO JDecode%,JParam%;flags%
  528IF flags% AND 1 THEN PROCPeekError(JDecode%):=0
  529CASE itype% OF
  530WHEN Jtype_Greyscale
  531 IF isampbit%=8 THEN otype%=6 ELSE otype%=7
  532WHEN Jtype_YCbCr
  533 IF isampbit%=8 THEN otype%=8 ELSE otype%=9
  534ENDCASE
  535SYS "XImage_DescribeSource",otype%,ibpp%,xres,yres,0 TO handle%;flags%
  536IF flags% AND 1 THEN PROCPeekError(handle%):PROCclose:=0
  537PROCcontrol_info
  538CASE otype% OF
  539WHEN 0:PalPtr%=-1:RevMap%=-1:otype%=0:dith%=(odith%<<2) OR dith_zigzag
  540WHEN 2:PalPtr%=-1:RevMap%=-1:otype%=1:dith%=dith_none
  541WHEN 1:otype%=1:dith%=(odith%<<2) OR dith_zigzag
  542ENDCASE
  543SYS "XImage_DescribeDestin",handle%,otype%,obpp% TO imagesize,imagework;flags%
  544IF flags% AND 1 THEN PROCPeekError(imagesize):PROCclose:=0
  545CASE flg% OF
  546 WHEN 0:imhdr%=64
  547 WHEN 1:imhdr%=12
  548 WHEN 2:imhdr%=0
  549ENDCASE
  550Image=FNClaim(imagesize+imhdr%)
  551IF Image=-1 THEN PROCResError1("JP03",kreq%):PROCclose:=0
  552IWork%=FNClaim(imagework)
  553IF IWork%=-1 THEN PROCResError1("JP07",bytereq%):PROCclose:=0
  554SYS "XImage_OpenOutput",handle%,0+dith%,Image+imhdr%,PalPtr%,IWork%,RevMap% TO err%,,,IScan%,IParam%;flags%
  555IF flags% AND 1 THEN PROCPeekError(err%):PROCclose:=0
  556CASE flg% OF
  557  WHEN 0:PROCInitDrawHeader(Image)
  558  WHEN 1:PROCInitSpriteHeader(Image)
  559ENDCASE
  560!JP_Work = JWorkSpace%
  561!JP_Cache = JCache%
  562!JP_DecParam = JParam%
  563!JP_Decoder = JDecode%
  564!JP_ImWork = IWork%
  565!JP_LinePtr = Image+imhdr%
  566!JP_ScanParam = IParam%
  567!JP_ConvScan = IScan%
  568SYS "Hourglass_On"
  569FOR y%=0 TO yres-1
  570  !JP_Index=y%
  571  SYS "Hourglass_Percentage",y%*100/yres
  572  CALL ConvertScan
  573NEXT
  574SYS "Hourglass_Off"
  575PROCclose
  576=TRUE
  577
  578DEF PROCclose
  579SYS "XDJPEG_CloseStream",,,JCache%
  580ENDPROC
  581
  582
  583DEF PROCcode
  584LK=14
  585SR_C=1<<29
  586SR_V=1<<28
  587DIM CODE &100
  588FOR PASS=0 TO 2 STEP 2
  589P%=CODE
  590[OPT PASS
  591
  592;------------------------------------------------------------------------------
  593;
  594; ProcessNextScan
  595;
  596; On entry -
  597; On exit  - CC if processed ok
  598;          - CS if no more data
  599;
  600;------------------------------------------------------------------------------
  601
  602.ConvertScan STMFD   R13!,{LK}
  603             LDR     R1,JP_Work
  604             MOV     R6,R1
  605             LDR     R2,JP_Cache
  606             LDR     R3,JP_Index                    ; get kernel scanline index
  607             LDR     R4,JP_DecParam                 ; Get JPEG modules R12
  608             MOV     LK,PC
  609             LDR     PC,JP_Decoder                  ; Call decoder
  610             BVS     DoneImageError
  611             LDMIA   R3,{R2,R3,R4,R5}               ; whip in scan ptrs
  612             ADD     R2,R6,R2
  613             ADD     R3,R6,R3
  614             ADD     R4,R6,R4
  615             ADD     R5,R6,R5
  616             LDR     R7,JP_ImWork
  617             MOV     R0,#0
  618             LDR     R1,JP_LinePtr
  619             LDR     R6,JP_Index
  620             LDR     R5,JP_ScanParam
  621             MOV     LK,PC
  622             LDR     PC,JP_ConvScan
  623             BVS     DoneImageError
  624             STR     R1,JP_LinePtr
  625             LDMFD   R13!,{LK}
  626             BICS    PC,LK,#SR_C
  627
  628.DoneImageError
  629.DoneImage   LDMFD   R13!,{LK}
  630             ORRS    PC,LK,#SR_C
  631
  632.JP_Index       EQUD    0
  633.JP_Work        EQUD    0
  634.JP_Cache       EQUD    0
  635.JP_DecParam    EQUD    0
  636.JP_Decoder     EQUD    0
  637.JP_ImWork      EQUD    0
  638.JP_LinePtr     EQUD    0
  639.JP_ScanParam   EQUD    0
  640.JP_ConvScan    EQUD    0
  641
  642]NEXT
  643ENDPROC
  644
  645
  646DEF FNSaveTransFile(p$,t%)
  647REM return false if failed to save!
  648LOCAL flags%
  649SYS "XOS_File",10,p$,t%,0,Image,Image+imagesize+imhdr% TO err%;flags%
  650IF (flags% AND 1)=1 THEN PROCResError("JP06")
  651PROCMem_KillSlot   :REM dont kill slot before ResError!
  652IF (flags% AND 1)=1 THEN =FALSE
  653=TRUE
  654
  655DEF PROCInitDrawHeader(ptr)
  656$ptr="Draw"
  657ptr!4=201
  658ptr!8=0
  659PROCpokestr("Imager",ptr+12,12)
  660ptr!24=0
  661ptr!28=0
  662ptr!32=xres<<(1+8)
  663ptr!36=yres<<(1+8)
  664ptr!40=5
  665ptr!44=imagesize+24
  666ptr!48=0
  667ptr!52=0
  668ptr!56=xres<<(1+8)
  669ptr!60=yres<<(1+8)
  670ENDPROC
  671
  672DEF PROCInitSpriteHeader(ptr)
  673ptr!0=1
  674ptr!4=16
  675ptr!8=imagesize+16
  676ENDPROC
  677
  678
  679REM ---------------------------------------------------------------------------
  680REM
  681REM  Window library
  682REM
  683REM ---------------------------------------------------------------------------
  684
  685DEF PROCwin_load_create(f$,n$,sprite_pool%,RETURN handle%)
  686PROCwin_load(f$,n$,win_buff%,2048)
  687win_buff%!64=sprite_pool%
  688PROCwin_create(win_buff%,handle%)
  689ENDPROC
  690
  691DEF PROCwin_load(f$,n$,buf%,limit%)
  692REM   f$   - filename of template file
  693REM   n$   - name of template to load
  694REM buf%   - buffer which needs to be big enough to hold the window definition
  695REM          AND the indirected data, due to the way Wimp_LoadTemplate works.
  696REM limit% - size of buf%
  697REM
  698REM PROCwin_load will automatically dimension enough memory for
  699REM the indirected data.
  700
  701LOCAL ws_buf%
  702LOCAL size%
  703LOCAL data%
  704LOCAL found%
  705LOCAL s%,f%
  706PROCwin_sizes(f$,n$,size%,data%)
  707IF limit%<(size%+data%) ERROR 0,"Buffer not big enough for '"+n$+"' - "+STR$(size%)+" + "+STR$(data%)+" bytes required"
  708IF f$<>"" SYS"Wimp_OpenTemplate",,f$
  709IF data%<>0 THEN
  710 DIM ws_buf% data%
  711 SYS "XWimp_LoadTemplate",,buf%,ws_buf%,ws_buf%+data%,-1,n$,0 TO s%,,,,,,found%;f%
  712ELSE
  713 SYS "XWimp_LoadTemplate",,buf%,0,0,-1,n$,0 TO s%,,,,,,found%;f%
  714ENDIF
  715IF f$<>"" SYS"Wimp_CloseTemplate"
  716IF (f%AND1) ERROR 0,n$+": "+FNgetstring(s%+4)
  717IF found%=0 ERROR 0,"Template '"+n$+"' not found"
  718ENDPROC
  719
  720DEF PROCwin_create(buf%,RETURN handle%)
  721REM    buf% - buffer holding the window definition
  722REM handle% - handle of the created window
  723SYS "Wimp_CreateWindow",,buf% TO handle%
  724ENDPROC
  725
  726DEF PROCwin_show(handle%)
  727!scratch=handle%
  728SYS "Wimp_GetWindowState",,scratch
  729SYS "Wimp_OpenWindow",,scratch
  730ENDPROC
  731
  732DEF PROCwin_topcentred(win%)
  733blk!0=win%
  734SYS "Wimp_GetWindowState",,blk
  735PROCwin_centre(blk)
  736blk!28=-1
  737SYS "Wimp_OpenWindow",,blk
  738ENDPROC
  739
  740DEF PROCwin_centre(blk)
  741PROCwin_deskdimensions
  742desky%-=132
  743wx0%=blk!4
  744wy0%=blk!8
  745wx1%=blk!12
  746wy1%=blk!16
  747flgs%=blk!32
  748IF flgs% AND &80000000 THEN
  749 IF flgs% AND (1<<26) THEN desky%-=40
  750 IF flgs% AND (1<<28) THEN deskx%-=40
  751 IF flgs% AND (1<<30) THEN desky%-=40
  752ELSE
  753 IF flgs% AND (1<<0) THEN desky%-=40
  754 IF flgs% AND (1<<2) THEN deskx%-=40
  755 IF flgs% AND (1<<3) THEN desky%-=40
  756ENDIF
  757wid%=wx1%-wx0%
  758blk!4 =(deskx%-wid%)/2
  759blk!12=(deskx%+wid%)/2
  760hgt%=wy1%-wy0%
  761blk!8 =((desky%-hgt%)/2)+132
  762blk!16=((desky%+hgt%)/2)+132
  763ENDPROC
  764
  765
  766DEF PROCwin_sizes(f$,n$,RETURN size%,RETURN data%)
  767LOCAL i%
  768LOCAL file%
  769LOCAL ptr%
  770LOCAL offset%
  771LOCAL type%
  772LOCAL ident$
  773LOCAL num_icons%
  774file%=OPENIN(f$)
  775size%=0
  776data%=0
  777ptr%=16
  778REPEAT
  779 PTR#file%=ptr%
  780 offset%=FNwin_word(file%)
  781 IF offset%<>0 THEN
  782  PTR#file%=ptr%+8
  783  type%=FNwin_word(file%)
  784  ident$=FNwin_string(file%)
  785  ptr%+=24
  786  IFtype%=1 THEN
  787   IFident$=n$ THEN
  788    PTR#file%=offset%+84
  789    num_icons%=FNwin_word(file%)
  790    data%=FNwin_title(file%,offset%)
  791    IFnum_icons%<>0 data%+=FNwin_icon(file%,num_icons%,offset%)
  792    size%=88+(num_icons%*32)
  793    offset%=0:REM just to get out of the loop
  794   ENDIF
  795  ENDIF
  796 ENDIF
  797UNTIL offset%=0
  798CLOSE#file%
  799ENDPROC
  800
  801DEF FNwin_word(h%)
  802=BGET#h%+(BGET#h% << 8)+(BGET#h% << 16)+(BGET#h% << 24)
  803
  804DEF FNwin_string(h%)
  805LOCAL s$,c%
  806REPEAT
  807 c%=BGET#h%
  808 IF c%>31 THEN s$+=CHR$(c%)
  809UNTIL c%<32
  810=s$
  811
  812DEF FNwin_title(file%,offset%)
  813LOCAL v%
  814PTR#file%=offset%+28
  815v%=FNwin_word(file%)
  816IF (v% AND 1<<31) THEN
  817 IF (v% AND 1<<26) THEN
  818  =FNwin_isd(file%,offset%+56,offset%+72,offset%)
  819 ENDIF
  820ELSE
  821 IF (v% AND 1) THEN
  822  =FNwin_isd(file%,offset%+56,offset%+72,offset%)
  823 ENDIF
  824ENDIF
  825=0
  826
  827DEF FNwin_icon(file%,num%,offset%)
  828LOCAL i%,j%
  829j%=0:x%=0
  830FORi%=0 TO num%-1
  831 j%+=FNwin_isd(file%,offset%+88+i%*32+16,offset%+88+i%*32+20,offset%)
  832NEXT
  833=j%
  834
  835DEF FNwin_isd(file%,o1%,o2%,offset%)
  836LOCAL v%,ist%,size%,i%
  837PTR#file%=o1%
  838v%=FNwin_word(file%)
  839REM even if an icon is marked as deleted
  840REM it must be allowed for!
  841i%=(v% AND %100000000)
  842ist%=(v% AND 3) + (i% >> 6)
  843CASE ist% OF
  844WHEN   0: size%=0
  845WHEN   1: size%=0
  846WHEN   2: size%=0
  847WHEN   3: size%=0
  848WHEN   4: size%=0
  849WHEN 5,7: PTR#file%=o2%+4
  850          v%=FNwin_word(file%)
  851          IFv%=-1 THEN
  852           size%=0
  853          ELSE
  854           PTR#file%=offset%+v%
  855           size%=LEN(FNwin_string(file%))+1
  856          ENDIF
  857          PTR#file%=o2%+8
  858          size%+=FNwin_word(file%)
  859WHEN   6: PTR#file%=o2%+8
  860          size%=FNwin_word(file%)
  861ENDCASE
  862=size%
  863
  864DEF FNwin_getselradio(win%,esg%)
  865esg%=(esg% AND %11111)<<16
  866SYS "Wimp_WhichIcon",win%,scratch,&3F<<16,(&20<<16) OR esg%
  867=scratch!0
  868
  869DEF PROCwin_boundmouse(win%)
  870!blk=win%
  871SYS "Wimp_GetWindowOutline",,blk
  872PROCwin_setmouserec(blk!4,blk!8,(blk!12)-4,(blk!16)-4)
  873ENDPROC
  874
  875DEF PROCwin_releasemouse
  876PROCwin_deskdimensions
  877PROCwin_setmouserec(0,0,deskx%,desky%)
  878ENDPROC
  879
  880DEF PROCwin_setmouserec(x0%,y0%,x1%,y1%)
  881MOUSE RECTANGLE x0%,y0%,(x1%-x0%),(y1%-y0%)
  882ENDPROC
  883
  884DEF PROCwin_deskdimensions
  885SYS "OS_ReadModeVariable",-1,4 TO ,,xeig%
  886SYS "OS_ReadModeVariable",-1,5 TO ,,yeig%
  887SYS "OS_ReadModeVariable",-1,11 TO ,,deskx%
  888SYS "OS_ReadModeVariable",-1,12 TO ,,desky%
  889deskx%=(deskx%+1)<<xeig%
  890desky%=(desky%+1)<<yeig%
  891ENDPROC
  892
  893REM ---------------------------------------------------------------------------
  894REM
  895REM  Icon library
  896REM
  897REM ---------------------------------------------------------------------------
  898
  899DEF PROCicon_hide(a%,b%)
  900!icons%=a%
  901icons%!4=b%
  902icons%!8=(1<<7)+(1<<23)
  903icons%!12=(1<<7)+(1<<23)
  904SYS"Wimp_SetIconState",,icons%
  905ENDPROC
  906
  907DEF PROCicon_write(a%,b%,s$)
  908!icons%=a%
  909icons%!4=b%
  910SYS"Wimp_GetIconState",,icons%
  911IF(LEN(s$)+1)>icons%!36 THEN
  912 ERROR 0,"'"+s$+"' won't fit icon "+STR$(b%)
  913ENDIF
  914$(icons%!28)=s$
  915icons%!8=0:icons%!12=0
  916SYS"Wimp_SetIconState",,icons%
  917ENDPROC
  918
  919DEF PROCicon_shade(a%,b%)
  920!icons%=a%
  921icons%!4=b%
  922icons%!8=1<<22
  923icons%!12=1<<22
  924SYS"Wimp_SetIconState",,icons%
  925ENDPROC
  926
  927DEF FNicon_set(a%,b%)
  928!icons%=a%
  929icons%!4=b%
  930SYS"Wimp_GetIconState",,icons%
  931=((icons%!24 AND (1<<21))<>0)
  932
  933DEF PROCicon_unhide(a%,b%)
  934!icons%=a%
  935icons%!4=b%
  936icons%!8=0
  937icons%!12=1<<23
  938SYS"Wimp_SetIconState",,icons%
  939ENDPROC
  940
  941DEF PROCicon_unshade(a%,b%)
  942!icons%=a%
  943icons%!4=b%
  944icons%!8=0
  945icons%!12=1<<22
  946SYS"Wimp_SetIconState",,icons%
  947ENDPROC
  948
  949DEF PROCicon_select(a%,b%)
  950!icons%=a%
  951icons%!4=b%
  952icons%!8=1<<21
  953icons%!12=1<<21
  954SYS"Wimp_SetIconState",,icons%
  955ENDPROC
  956
  957DEF PROCicon_toggle(w%,i%,s%)
  958!icons%=w%
  959icons%!4=i%
  960icons%!8=(s% AND 1)<<21
  961icons%!12=1<<21
  962SYS"Wimp_SetIconState",,icons%
  963ENDPROC
  964
  965DEF PROCicon_setselradio(w%,i%,e%)
  966LOCAL se%
  967se%=FNicon_getselradio(w%,e%)
  968IF se%>-1 THEN PROCicon_toggle(w%,se%,0)
  969PROCicon_toggle(w%,i%,1)
  970ENDPROC
  971
  972DEF FNicon_getselradio(w%,e%)
  973e%=e% AND %11111
  974SYS "Wimp_WhichIcon",w%,icons%,&3F0000,(&200000 OR (e%<<16))
  975=!icons%
  976
� > !RunImage

Q� ---------------------------------------------------------------------------

6�  Aurthor   - Mike Kenny @ Computer Concepts Ltd.
M�  Purpose   - Basic code to perform translation of JPEG files to sprites
�  Version   - 1.00
�  Started   - 21/12/93
	�  Completed -

�  Changes
+�  21/12/93  MJK  Originated this file.


Q� ---------------------------------------------------------------------------

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� blk 1024
� scratch 1024
� PackName 256

� bmdb 40
� icons% 256
� win_buff% 1024

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	�code

�Mem_Init
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T%=�loadresources
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&� �vars
'app_name$="TransJPEG"
(app_path$="<TransJPEG$Dir>"
)app_leaf$="TJPEG"
*
+FType_Sprite = &FF9
,FType_Draw   = &AFF
-
.mess_Size    = 0
/mess_Sender  = 4
0mess_MyRef   = 8
1mess_YourRef = 12
2mess_Type    = 16
3mess_Data    = 20
4mess_Length  = mess_Size
5mess_TaskID  = mess_Sender
6mess_Action  = mess_Type
7mess_SIZE    = 256
8
9DataSave% = 1
:DataSaveAck% = 2
;DataLoad% = 3
<DataLoadAck% = 4
=dloadref%=0
>dsaveref%=0
?
@ST_1bpp  = 1
AST_2bpp  = 2
BST_4bpp  = 3
CST_8bpp  = 4
DST_16bpp = 5
EST_32bpp = 6
FST_CMYK  = 7
GST_24bpp = 8
HST_Shift = 27
IST_Mask  = &F8000000
J
Ktype_icon%=7
Ldith_icon%=11
Mok_icon%=3
Ncancel_icon%=16
O
PJtype_Unkown    = 0
QJtype_Greyscale = 1
RJtype_RGB       = 2
SJtype_CMYK      = 3
TJtype_YCbCr     = 4
UJtype_YIQ       = 5
V
Wdith_none   = 0<<2
Xdith_simple = 1<<2
Ydith_floyd  = 2<<2
Zdith_forwards = 0<<5
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�� a$
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�ȕ ?r%>=32 � r%<e%
�  a$=a$+�(?r%)
�  r%+=1
��
�=a$
�
�
�
�
�Q� ---------------------------------------------------------------------------
��
�� Memory bits
��
�O� Ensuremem will ensure that there is enough memory in the variable buffer.
�O� This buffer is held above HIMEM, using Wimp_SlotSize to resize the amount
�� of memory free.
��
�Q� ---------------------------------------------------------------------------
�
�
�� �Mem_Init
�MyHimem =�
�base    =�
�insert  =base
�8ș "Wimp_SlotSize",-1,-1 � origslot%,envnext,envfree
�.ș "OS_ReadMemMapInfo" � pagesize,numpages
��
�
�
�� �Claim(req)
�req=(req+3) � -4
�:� (insert+req)<MyHimem � insert=insert+req:=insert-req
�Kș "Wimp_SlotSize",-1,-1 � current,next,free           :� get slot info
�newhimem=insert+req
�$bytereq%=(newhimem-MyHimem)-free
�'kreq%=((bytereq%+1023) � -1024)>>10
�newhimem+=pagesize-1
�)newhimem =newhimem � (� (pagesize-1))
�!� newhimem-MyHimem>free � =-1
� next=next-(newhimem-MyHimem)
�&current=current+(newhimem-MyHimem)
�7ș "Wimp_SlotSize",current,next � current,next,free
�MyHimem=current+&8000
�insert=insert+req
�=insert-req
�
�� �Mem_KillSlot
�0ș "Wimp_SlotSize",origslot%,envnext,envfree
�
�Mem_Init
��
�
�
�� �loadcoltable
�PalData = �Claim(34*1024)
�� PalData=-1 �
� PalPtr%=-1:RevMap%=-1
��
� PalPtr%=PalData
� RevMap%=PalData+2048
�" ș "Image_Misc",0,1,8,PalPtr%
�8 ș "OS_File",&FF,"<TransJPEG$Dir>.ColTable",RevMap%
 � PalPtr%=-1:RevMap%=-1
�
�

Q� ---------------------------------------------------------------------------
�
)� Ok finally application related code
�
Q� ---------------------------------------------------------------------------
	


'� �FilterJPEG(cf%,path$,jlen%,flg%)
� cf%<>1 � =0

 JWorkSpace%=�Claim(jworklen)
5� JWorkSpace%=-1 � �ResError1("JP07",bytereq%):=0
Pș "XDJPEG_OpenStream",1,path$,JCache%,JWorkSpace% � JDecode%,JParam%;flags%
*� flags% � 1 � �PeekError(JDecode%):=0
Ȏ itype% �
� Jtype_Greyscale
( � isampbit%=8 � otype%=6 � otype%=7
� Jtype_YCbCr
( � isampbit%=8 � otype%=8 � otype%=9
�
Hș "XImage_DescribeSource",otype%,ibpp%,xres,yres,0 � handle%;flags%
0� flags% � 1 � �PeekError(handle%):�close:=0
�control_info
Ȏ otype% �
F� 0:PalPtr%=-1:RevMap%=-1:otype%=0:dith%=(odith%<<2) � dith_zigzag
6� 2:PalPtr%=-1:RevMap%=-1:otype%=1:dith%=dith_none
0� 1:otype%=1:dith%=(odith%<<2) � dith_zigzag
�
Pș "XImage_DescribeDestin",handle%,otype%,obpp% � imagesize,imagework;flags%
 2� flags% � 1 � �PeekError(imagesize):�close:=0
!
Ȏ flg% �
" � 0:imhdr%=64
# � 1:imhdr%=12
$ � 2:imhdr%=0
%�
&"Image=�Claim(imagesize+imhdr%)
'3� Image=-1 � �ResError1("JP03",kreq%):�close:=0
(IWork%=�Claim(imagework)
)7� IWork%=-1 � �ResError1("JP07",bytereq%):�close:=0
*mș "XImage_OpenOutput",handle%,0+dith%,Image+imhdr%,PalPtr%,IWork%,RevMap% � err%,,,IScan%,IParam%;flags%
+-� flags% � 1 � �PeekError(err%):�close:=0
,
Ȏ flg% �
-   � 0:�InitDrawHeader(Image)
."  � 1:�InitSpriteHeader(Image)
/�
0!JP_Work = JWorkSpace%
1!JP_Cache = JCache%
2!JP_DecParam = JParam%
3!JP_Decoder = JDecode%
4!JP_ImWork = IWork%
5!JP_LinePtr = Image+imhdr%
6!JP_ScanParam = IParam%
7!JP_ConvScan = IScan%
8ș "Hourglass_On"
9� y%=0 � yres-1
:  !JP_Index=y%
;+  ș "Hourglass_Percentage",y%*100/yres
<  � ConvertScan
=�
>ș "Hourglass_Off"
?
�close
@=�
A
B� �close
C%ș "XDJPEG_CloseStream",,,JCache%
D�
E
F
G� �code
H	LK=14
ISR_C=1<<29
JSR_V=1<<28
K� CODE &100
L� PASS=0 � 2 � 2
MP%=CODE
N
[OPT PASS
O
PS;------------------------------------------------------------------------------
Q;
R; ProcessNextScan
S;
T; On entry -
U#; On exit  - CC if processed ok
V#;          - CS if no more data
W;
XS;------------------------------------------------------------------------------
Y
Z".ConvertScan STMFD   R13!,{LK}
[#             LDR     R1,JP_Work
\             MOV     R6,R1
]$             LDR     R2,JP_Cache
^S             LDR     R3,JP_Index                    ; get kernel scanline index
_N             LDR     R4,JP_DecParam                 ; Get JPEG modules R12
`             MOV     LK,PC
aF             LDR     PC,JP_Decoder                  ; Call decoder
b'             BVS     DoneImageError
cK             LDMIA   R3,{R2,R3,R4,R5}               ; whip in scan ptrs
d!             ADD     R2,R6,R2
e!             ADD     R3,R6,R3
f!             ADD     R4,R6,R4
g!             ADD     R5,R6,R5
h%             LDR     R7,JP_ImWork
i             MOV     R0,#0
j&             LDR     R1,JP_LinePtr
k$             LDR     R6,JP_Index
l(             LDR     R5,JP_ScanParam
m             MOV     LK,PC
n'             LDR     PC,JP_ConvScan
o'             BVS     DoneImageError
p&             STR     R1,JP_LinePtr
q"             LDMFD   R13!,{LK}
r$             BICS    PC,LK,#SR_C
s
t.DoneImageError
u".DoneImage   LDMFD   R13!,{LK}
v#             �RS    PC,LK,#SR_C
w
x.JP_Index       EQUD    0
y.JP_Work        EQUD    0
z.JP_Cache       EQUD    0
{.JP_DecParam    EQUD    0
|.JP_Decoder     EQUD    0
}.JP_ImWork      EQUD    0
~.JP_LinePtr     EQUD    0
.JP_ScanParam   EQUD    0
�.JP_ConvScan    EQUD    0
�
�]�
��
�
�
�� �SaveTransFile(p$,t%)
�%� return false if failed to save!
�� flags%
�Gș "XOS_File",10,p$,t%,0,Image,Image+imagesize+imhdr% � err%;flags%
�(� (flags% � 1)=1 � �ResError("JP06")
�6�Mem_KillSlot   :� dont kill slot before ResError!
�� (flags% � 1)=1 � =�
�=�
�
�� �InitDrawHeader(ptr)
�$ptr="Draw"
�
ptr!4=201
�ptr!8=0
� �pokestr("Imager",ptr+12,12)
�ptr!24=0
�ptr!28=0
�ptr!32=xres<<(1+8)
�ptr!36=yres<<(1+8)
�ptr!40=5
�ptr!44=imagesize+24
�ptr!48=0
�ptr!52=0
�ptr!56=xres<<(1+8)
�ptr!60=yres<<(1+8)
��
�
�� �InitSpriteHeader(ptr)
�ptr!0=1
�ptr!4=16
�ptr!8=imagesize+16
��
�
�
�Q� ---------------------------------------------------------------------------
��
��  Window library
��
�Q� ---------------------------------------------------------------------------
�
�4� �win_load_create(f$,n$,sprite_pool%,� handle%)
�#�win_load(f$,n$,win_buff%,2048)
�win_buff%!64=sprite_pool%
�"�win_create(win_buff%,handle%)
��
�
�"� �win_load(f$,n$,buf%,limit%)
�(�   f$   - filename of template file
�'�   n$   - name of template to load
�P� buf%   - buffer which needs to be big enough to hold the window definition
�O�          AND the indirected data, due to the way Wimp_LoadTemplate works.
�� limit% - size of buf%
��
�A� PROCwin_load will automatically dimension enough memory for
�� the indirected data.
�
�
� ws_buf%
�� size%
�� data%
�� found%
�� s%,f%
�!�win_sizes(f$,n$,size%,data%)
�p� limit%<(size%+data%) � 0,"Buffer not big enough for '"+n$+"' - "+�(size%)+" + "+�(data%)+" bytes required"
�&� f$<>"" ș"Wimp_OpenTemplate",,f$
�� data%<>0 �
� � ws_buf% data%
�T ș "XWimp_LoadTemplate",,buf%,ws_buf%,ws_buf%+data%,-1,n$,0 � s%,,,,,,found%;f%
��
�B ș "XWimp_LoadTemplate",,buf%,0,0,-1,n$,0 � s%,,,,,,found%;f%
��
�#� f$<>"" ș"Wimp_CloseTemplate"
�)� (f%�1) � 0,n$+": "+�getstring(s%+4)
�0� found%=0 � 0,"Template '"+n$+"' not found"
��
�
�!� �win_create(buf%,� handle%)
�4�    buf% - buffer holding the window definition
�,� handle% - handle of the created window
�*ș "Wimp_CreateWindow",,buf% � handle%
��
�
�� �win_show(handle%)
�!scratch=handle%
�%ș "Wimp_GetWindowState",,scratch
�!ș "Wimp_OpenWindow",,scratch
��
�
�� �win_topcentred(win%)
�blk!0=win%
�!ș "Wimp_GetWindowState",,blk
��win_centre(blk)
�
blk!28=-1
�ș "Wimp_OpenWindow",,blk
��
�
�� �win_centre(blk)
��win_deskdimensions
�desky%-=132
�wx0%=blk!4
�wy0%=blk!8
�wx1%=blk!12
�wy1%=blk!16
�flgs%=blk!32
�� flgs% � &80000000 �
�# � flgs% � (1<<26) � desky%-=40
�# � flgs% � (1<<28) � deskx%-=40
�# � flgs% � (1<<30) � desky%-=40
��
�" � flgs% � (1<<0) � desky%-=40
�" � flgs% � (1<<2) � deskx%-=40
�" � flgs% � (1<<3) � desky%-=40
��
�wid%=wx1%-wx0%
�blk!4 =(deskx%-wid%)/2
�blk!12=(deskx%+wid%)/2
�hgt%=wy1%-wy0%
� blk!8 =((desky%-hgt%)/2)+132
� blk!16=((desky%+hgt%)/2)+132
��
�
�
�'� �win_sizes(f$,n$,� size%,� data%)
�� i%
� file%

� ptr%

� offset%
� type%
� ident$
� num_icons%
file%=�(f$)
size%=0
data%=0
	ptr%=16

�
 �#file%=ptr%
 offset%=�win_word(file%)

 � offset%<>0 �
  �#file%=ptr%+8
  type%=�win_word(file%)
  ident$=�win_string(file%)
  ptr%+=24
  �type%=1 �
   �ident$=n$ �
    �#file%=offset%+84
#    num_icons%=�win_word(file%)
'    data%=�win_title(file%,offset%)
A    �num_icons%<>0 data%+=�win_icon(file%,num_icons%,offset%)
     size%=88+(num_icons%*32)
/    offset%=0:� just to get out of the loop
   �
  �
 �
� offset%=0
�#file%
�
 
!� �win_word(h%)
"/=�#h%+(�#h% << 8)+(�#h% << 16)+(�#h% << 24)
#
$� �win_string(h%)
%� s$,c%
&�
' c%=�#h%
( � c%>31 � s$+=�(c%)
)� c%<32
*=s$
+
,� �win_title(file%,offset%)
-� v%
.�#file%=offset%+28
/v%=�win_word(file%)
0� (v% � 1<<31) �
1 � (v% � 1<<26) �
24  =�win_isd(file%,offset%+56,offset%+72,offset%)
3 �
4�
5 � (v% � 1) �
64  =�win_isd(file%,offset%+56,offset%+72,offset%)
7 �
8�
9=0
:
;#� �win_icon(file%,num%,offset%)
<� i%,j%
=
j%=0:x%=0
>�i%=0 � num%-1
?H j%+=�win_isd(file%,offset%+88+i%*32+16,offset%+88+i%*32+20,offset%)
@�
A=j%
B
C%� �win_isd(file%,o1%,o2%,offset%)
D� v%,ist%,size%,i%
E�#file%=o1%
Fv%=�win_word(file%)
G*� even if an icon is marked as deleted
H� it must be allowed for!
Ii%=(v% � %100000000)
Jist%=(v% � 3) + (i% >> 6)
K
Ȏ ist% �
L�   0: size%=0
M�   1: size%=0
N�   2: size%=0
O�   3: size%=0
P�   4: size%=0
Q� 5,7: �#file%=o2%+4
R!          v%=�win_word(file%)
S          �v%=-1 �
T           size%=0
U          �
V!           �#file%=offset%+v%
W,           size%=�(�win_string(file%))+1
X          �
Y          �#file%=o2%+8
Z%          size%+=�win_word(file%)
[�   6: �#file%=o2%+8
\$          size%=�win_word(file%)
]�
^
=size%
_
`!� �win_getselradio(win%,esg%)
aesg%=(esg% � %11111)<<16
b=ș "Wimp_WhichIcon",win%,scratch,&3F<<16,(&20<<16) � esg%
c=scratch!0
d
e� �win_boundmouse(win%)
f
!blk=win%
g#ș "Wimp_GetWindowOutline",,blk
h7�win_setmouserec(blk!4,blk!8,(blk!12)-4,(blk!16)-4)
i�
j
k� �win_releasemouse
l�win_deskdimensions
m'�win_setmouserec(0,0,deskx%,desky%)
n�
o
p'� �win_setmouserec(x0%,y0%,x1%,y1%)
q%ȗ ȓ x0%,y0%,(x1%-x0%),(y1%-y0%)
r�
s
t� �win_deskdimensions
u+ș "OS_ReadModeVariable",-1,4 � ,,xeig%
v+ș "OS_ReadModeVariable",-1,5 � ,,yeig%
w-ș "OS_ReadModeVariable",-1,11 � ,,deskx%
x-ș "OS_ReadModeVariable",-1,12 � ,,desky%
ydeskx%=(deskx%+1)<<xeig%
zdesky%=(desky%+1)<<yeig%
{�
|
}Q� ---------------------------------------------------------------------------
~�
�  Icon library
��
�Q� ---------------------------------------------------------------------------
�
�� �icon_hide(a%,b%)
�!icons%=a%
�icons%!4=b%
�icons%!8=(1<<7)+(1<<23)
�icons%!12=(1<<7)+(1<<23)
�!ș"Wimp_SetIconState",,icons%
��
�
�� �icon_write(a%,b%,s$)
�!icons%=a%
�icons%!4=b%
�!ș"Wimp_GetIconState",,icons%
��(�(s$)+1)>icons%!36 �
�) � 0,"'"+s$+"' won't fit icon "+�(b%)
��
�$(icons%!28)=s$
�icons%!8=0:icons%!12=0
�!ș"Wimp_SetIconState",,icons%
��
�
�� �icon_shade(a%,b%)
�!icons%=a%
�icons%!4=b%
�icons%!8=1<<22
�icons%!12=1<<22
�!ș"Wimp_SetIconState",,icons%
��
�
�� �icon_set(a%,b%)
�!icons%=a%
�icons%!4=b%
�!ș"Wimp_GetIconState",,icons%
�=((icons%!24 � (1<<21))<>0)
�
�� �icon_unhide(a%,b%)
�!icons%=a%
�icons%!4=b%
�icons%!8=0
�icons%!12=1<<23
�!ș"Wimp_SetIconState",,icons%
��
�
�� �icon_unshade(a%,b%)
�!icons%=a%
�icons%!4=b%
�icons%!8=0
�icons%!12=1<<22
�!ș"Wimp_SetIconState",,icons%
��
�
�� �icon_select(a%,b%)
�!icons%=a%
�icons%!4=b%
�icons%!8=1<<21
�icons%!12=1<<21
�!ș"Wimp_SetIconState",,icons%
��
�
�� �icon_toggle(w%,i%,s%)
�!icons%=w%
�icons%!4=i%
�icons%!8=(s% � 1)<<21
�icons%!12=1<<21
�!ș"Wimp_SetIconState",,icons%
��
�
�!� �icon_setselradio(w%,i%,e%)
�	� se%
� se%=�icon_getselradio(w%,e%)
�%� se%>-1 � �icon_toggle(w%,se%,0)
��icon_toggle(w%,i%,1)
��
�
�� �icon_getselradio(w%,e%)
�e%=e% � %11111
�>ș "Wimp_WhichIcon",w%,icons%,&3F0000,(&200000 � (e%<<16))
�=!icons%
�
�
00000000  0d 00 01 11 f4 20 3e 20  21 52 75 6e 49 6d 61 67  |..... > !RunImag|
00000010  65 0d 00 02 04 0d 00 03  51 f4 20 2d 2d 2d 2d 2d  |e.......Q. -----|
00000020  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |----------------|
*
00000060  2d 2d 2d 2d 2d 2d 0d 00  04 04 0d 00 05 36 f4 20  |------.......6. |
00000070  20 41 75 72 74 68 6f 72  20 20 20 2d 20 4d 69 6b  | Aurthor   - Mik|
00000080  65 20 4b 65 6e 6e 79 20  40 20 43 6f 6d 70 75 74  |e Kenny @ Comput|
00000090  65 72 20 43 6f 6e 63 65  70 74 73 20 4c 74 64 2e  |er Concepts Ltd.|
000000a0  0d 00 06 4d f4 20 20 50  75 72 70 6f 73 65 20 20  |...M.  Purpose  |
000000b0  20 2d 20 42 61 73 69 63  20 63 6f 64 65 20 74 6f  | - Basic code to|
000000c0  20 70 65 72 66 6f 72 6d  20 74 72 61 6e 73 6c 61  | perform transla|
000000d0  74 69 6f 6e 20 6f 66 20  4a 50 45 47 20 66 69 6c  |tion of JPEG fil|
000000e0  65 73 20 74 6f 20 73 70  72 69 74 65 73 0d 00 07  |es to sprites...|
000000f0  17 f4 20 20 56 65 72 73  69 6f 6e 20 20 20 2d 20  |..  Version   - |
00000100  31 2e 30 30 0d 00 08 1b  f4 20 20 53 74 61 72 74  |1.00.....  Start|
00000110  65 64 20 20 20 2d 20 32  31 2f 31 32 2f 39 33 0d  |ed   - 21/12/93.|
00000120  00 09 12 f4 20 20 43 6f  6d 70 6c 65 74 65 64 20  |....  Completed |
00000130  2d 0d 00 0a 0e f4 20 20  43 68 61 6e 67 65 73 0d  |-.....  Changes.|
00000140  00 0b 2b f4 20 20 32 31  2f 31 32 2f 39 33 20 20  |..+.  21/12/93  |
00000150  4d 4a 4b 20 20 4f 72 69  67 69 6e 61 74 65 64 20  |MJK  Originated |
00000160  74 68 69 73 20 66 69 6c  65 2e 0d 00 0c 04 0d 00  |this file.......|
00000170  0d 51 f4 20 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |.Q. ------------|
00000180  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |----------------|
*
000001b0  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 0d  |---------------.|
000001c0  00 0e 04 0d 00 0f 20 ee  20 85 20 f2 52 65 70 6f  |...... . . .Repo|
000001d0  72 74 53 79 73 74 65 6d  45 72 72 6f 72 28 f6 24  |rtSystemError(.$|
000001e0  29 3a e0 0d 00 10 0c 44  65 62 75 67 25 3d a3 0d  |):.....Debug%=..|
000001f0  00 11 04 0d 00 12 0e de  20 62 6c 6b 20 31 30 32  |........ blk 102|
00000200  34 0d 00 13 12 de 20 73  63 72 61 74 63 68 20 31  |4..... scratch 1|
00000210  30 32 34 0d 00 14 12 de  20 50 61 63 6b 4e 61 6d  |024..... PackNam|
00000220  65 20 32 35 36 0d 00 15  0d de 20 62 6d 64 62 20  |e 256..... bmdb |
00000230  34 30 0d 00 16 10 de 20  69 63 6f 6e 73 25 20 32  |40..... icons% 2|
00000240  35 36 0d 00 17 14 de 20  77 69 6e 5f 62 75 66 66  |56..... win_buff|
00000250  25 20 31 30 32 34 0d 00  18 04 0d 00 19 09 f2 76  |% 1024.........v|
00000260  61 72 73 0d 00 1a 09 f2  63 6f 64 65 0d 00 1b 0d  |ars.....code....|
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000002b0  54 25 3d a3 20 8c 20 f2  57 5f 43 6c 6f 73 65 44  |T%=. . .W_CloseD|
000002c0  6f 77 6e 3a e0 0d 00 1f  4a f2 77 69 6e 5f 6c 6f  |own:....J.win_lo|
000002d0  61 64 5f 63 72 65 61 74  65 28 61 70 70 5f 70 61  |ad_create(app_pa|
000002e0  74 68 24 2b 22 2e 52 65  73 6f 75 72 63 65 73 2e  |th$+".Resources.|
000002f0  54 65 6d 70 6c 61 74 65  73 22 2c 22 63 6f 6e 74  |Templates","cont|
00000300  72 6f 6c 22 2c 2d 31 2c  63 74 72 6c 68 25 29 0d  |rol",-1,ctrlh%).|
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00000370  61 70 70 5f 70 61 74 68  24 3d 22 3c 54 72 61 6e  |app_path$="<Tran|
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00000390  70 70 5f 6c 65 61 66 24  3d 22 54 4a 50 45 47 22  |pp_leaf$="TJPEG"|
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000003c0  54 79 70 65 5f 44 72 61  77 20 20 20 3d 20 26 41  |Type_Draw   = &A|
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00003290  4f 66 66 22 0d 02 3f 0a  f2 63 6c 6f 73 65 0d 02  |Off"..?..close..|
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00003360  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |----------------|
*
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*
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000036b0  20 52 33 2c 52 36 2c 52  33 0d 02 66 21 20 20 20  | R3,R6,R3..f!   |
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000037d0  6e 27 20 20 20 20 20 20  20 20 20 20 20 20 20 4c  |n'             L|
000037e0  44 52 20 20 20 20 20 50  43 2c 4a 50 5f 43 6f 6e  |DR     PC,JP_Con|
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00003b00  73 25 20 80 20 31 29 3d  31 20 8c 20 3d a3 0d 02  |s% . 1)=1 . =...|
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00003b40  22 0d 02 91 0d 70 74 72  21 34 3d 32 30 31 0d 02  |"....ptr!4=201..|
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00005670  ff                                                |.|
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