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| MacBinary | 1993-04-22 | 44.8 KB | [ONLN/HLX2] |
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MacOS 8.1
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Win98
|
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view as text
This file was processed as: MacBinary
(archive/macBinary).
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| dexvert
| Acorn/RISC-OS Draw (image/acornDraw)
| magic
| Supported |
| 10%
| dexvert
| MacBinary (archive/macBinary)
| fallback
| Supported |
| 100%
| file
| MacBinary II, inited, Thu Apr 22 00:51:00 1993, modified Thu Apr 22 00:51:03 1993, creator 'HLX2', type 'ONLN', 43435 bytes "Off-Screen Bitmaps"
| default (weak)
| |
| 99%
| file
| RISC OS Draw file data, at 0xaa2b 2074 bytes resource
| default
| |
| 98%
| file
| RISC OS Draw file data
| default
| |
| 97%
| file
| data
| default
| |
| 100%
| TrID
| MacBinary 2
| default (weak)
| |
| 100%
| siegfried
| fmt/1762 MacBinary (II)
| default
| |
| 100%
| lsar
| MacBinary
| default
|
|
| id metadata |
|---|
| key | value |
|---|
| macFileType | [ONLN] |
| macFileCreator | [HLX2] |
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 12 4f 66 66 2d 53 63 | 72 65 65 6e 20 42 69 74 |..Off-Sc|reen Bit|
|00000010| 6d 61 70 73 00 00 00 00 | 00 00 00 00 00 00 00 00 |maps....|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 4f 4e 4c 4e 48 4c 58 | 32 01 00 00 00 00 00 00 |.ONLNHLX|2.......|
|00000050| 00 00 00 00 00 a9 ab 00 | 00 08 1a a7 fb d4 b4 a7 |........|........|
|00000060| fb d4 b7 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 83 3d 00 00 |........|.....=..|
|00000080| 44 72 61 77 69 6e 67 20 | 49 6e 74 6f 20 61 6e 20 |Drawing |Into an |
|00000090| 4f 66 66 2d 53 63 72 65 | 65 6e 20 42 69 74 6d 61 |Off-Scre|en Bitma|
|000000a0| 70 0d 49 6d 61 67 69 6e | 67 09 4d 2e 49 4d 2e 4f |p.Imagin|g.M.IM.O|
|000000b0| 66 66 73 63 72 65 65 6e | 42 69 74 4d 61 70 0d 52 |ffscreen|BitMap.R|
|000000c0| 65 76 69 73 65 64 20 62 | 79 3a 09 4a 6f 6e 20 5a |evised b|y:.Jon Z|
|000000d0| 61 70 20 26 20 46 6f 72 | 72 65 73 74 20 54 61 6e |ap & For|rest Tan|
|000000e0| 61 6b 61 09 4a 75 6e 65 | 20 31 39 39 30 0d 57 72 |aka.June| 1990.Wr|
|000000f0| 69 74 74 65 6e 20 62 79 | 3a 09 4a 69 6d 20 46 72 |itten by|:.Jim Fr|
|00000100| 69 65 64 6c 61 6e 64 65 | 72 20 26 20 47 69 6e 67 |iedlande|r & Ging|
|00000110| 65 72 20 4a 65 72 6e 69 | 67 61 6e 09 4a 75 6c 79 |er Jerni|gan.July|
|00000120| 20 31 39 38 35 0d 54 68 | 69 73 20 54 65 63 68 6e | 1985.Th|is Techn|
|00000130| 69 63 61 6c 20 4e 6f 74 | 65 20 70 72 6f 76 69 64 |ical Not|e provid|
|00000140| 65 73 20 61 6e 20 65 78 | 61 6d 70 6c 65 20 6f 66 |es an ex|ample of|
|00000150| 20 63 72 65 61 74 69 6e | 67 20 61 6e 20 6f 66 66 | creatin|g an off|
|00000160| 2d 73 63 72 65 65 6e 20 | 62 69 74 6d 61 70 2c 20 |-screen |bitmap, |
|00000170| 64 72 61 77 69 6e 67 20 | 74 6f 20 69 74 2c 20 61 |drawing |to it, a|
|00000180| 6e 64 20 74 68 65 6e 20 | 63 6f 70 79 69 6e 67 20 |nd then |copying |
|00000190| 66 72 6f 6d 20 69 74 20 | 74 6f 20 74 68 65 20 73 |from it |to the s|
|000001a0| 63 72 65 65 6e 2e 0d 43 | 68 61 6e 67 65 73 20 73 |creen..C|hanges s|
|000001b0| 69 6e 63 65 20 41 70 72 | 69 6c 20 31 39 39 30 3a |ince Apr|il 1990:|
|000001c0| 20 20 43 6c 61 72 69 66 | 69 65 64 20 74 68 65 20 | Clarif|ied the |
|000001d0| 73 65 63 74 69 6f 6e 20 | 6f 6e 20 77 69 6e 64 6f |section |on windo|
|000001e0| 77 20 75 70 64 61 74 65 | 73 20 77 69 74 68 20 6f |w update|s with o|
|000001f0| 66 66 2d 73 63 72 65 65 | 6e 20 62 69 74 6d 61 70 |ff-scree|n bitmap|
|00000200| 73 20 74 6f 20 65 78 70 | 6c 69 63 69 74 6c 79 20 |s to exp|licitly |
|00000210| 6c 69 6d 69 74 20 74 68 | 65 73 65 20 75 70 64 61 |limit th|ese upda|
|00000220| 74 65 73 20 74 6f 20 79 | 6f 75 72 20 6f 77 6e 20 |tes to y|our own |
|00000230| 77 69 6e 64 6f 77 73 2e | 0d 54 68 65 20 66 6f 6c |windows.|.The fol|
|00000240| 6c 6f 77 69 6e 67 20 69 | 73 20 61 6e 20 65 78 61 |lowing i|s an exa|
|00000250| 6d 70 6c 65 20 6f 66 20 | 63 72 65 61 74 69 6e 67 |mple of |creating|
|00000260| 20 61 6e 64 20 64 72 61 | 77 69 6e 67 20 74 6f 20 | and dra|wing to |
|00000270| 61 6e 20 6f 66 66 2d 73 | 63 72 65 65 6e 20 62 69 |an off-s|creen bi|
|00000280| 74 6d 61 70 2c 20 74 68 | 65 6e 20 63 6f 70 79 69 |tmap, th|en copyi|
|00000290| 6e 67 20 66 72 6f 6d 20 | 69 74 20 74 6f 20 61 6e |ng from |it to an|
|000002a0| 20 6f 6e 2d 73 63 72 65 | 65 6e 20 77 69 6e 64 6f | on-scre|en windo|
|000002b0| 77 2e 20 20 57 65 20 73 | 75 70 70 6c 79 20 74 68 |w. We s|upply th|
|000002c0| 69 73 20 65 78 61 6d 70 | 6c 65 20 69 6e 20 62 6f |is examp|le in bo|
|000002d0| 74 68 20 4d 50 57 20 50 | 61 73 63 61 6c 20 61 6e |th MPW P|ascal an|
|000002e0| 64 20 43 2e 0d 4d 50 57 | 20 50 61 73 63 61 6c 0d |d C..MPW| Pascal.|
|000002f0| 46 69 72 73 74 2c 20 6c | 65 74 d5 73 20 6c 6f 6f |First, l|et.s loo|
|00000300| 6b 20 61 74 20 61 20 67 | 65 6e 65 72 61 6c 20 70 |k at a g|eneral p|
|00000310| 75 72 70 6f 73 65 20 66 | 75 6e 63 74 69 6f 6e 20 |urpose f|unction |
|00000320| 74 6f 20 63 72 65 61 74 | 65 20 61 6e 20 6f 66 66 |to creat|e an off|
|00000330| 2d 73 63 72 65 65 6e 20 | 62 69 74 6d 61 70 2e 20 |-screen |bitmap. |
|00000340| 20 54 68 69 73 20 66 75 | 6e 63 74 69 6f 6e 20 63 | This fu|nction c|
|00000350| 72 65 61 74 65 73 20 74 | 68 65 20 47 72 61 66 50 |reates t|he GrafP|
|00000360| 6f 72 74 20 6f 6e 20 74 | 68 65 20 68 65 61 70 2e |ort on t|he heap.|
|00000370| 20 20 59 6f 75 20 63 6f | 75 6c 64 20 61 6c 73 6f | You co|uld also|
|00000380| 20 63 72 65 61 74 65 20 | 69 74 20 6f 6e 20 74 68 | create |it on th|
|00000390| 65 20 73 74 61 63 6b 20 | 61 6e 64 20 70 61 73 73 |e stack |and pass|
|000003a0| 20 74 68 65 20 75 6e 69 | 6e 69 74 69 61 6c 69 7a | the uni|nitializ|
|000003b0| 65 64 20 73 74 72 75 63 | 74 75 72 65 20 74 6f 20 |ed struc|ture to |
|000003c0| 61 20 66 75 6e 63 74 69 | 6f 6e 20 73 69 6d 69 6c |a functi|on simil|
|000003d0| 61 72 20 74 6f 20 74 68 | 69 73 20 6f 6e 65 2e 0d |ar to th|is one..|
|000003e0| 46 55 4e 43 54 49 4f 4e | 20 43 72 65 61 74 65 4f |FUNCTION| CreateO|
|000003f0| 66 66 73 63 72 65 65 6e | 42 69 74 4d 61 70 28 56 |ffscreen|BitMap(V|
|00000400| 41 52 20 6e 65 77 4f 66 | 66 73 63 72 65 65 6e 3a |AR newOf|fscreen:|
|00000410| 47 72 61 66 50 74 72 3b | 20 69 6e 42 6f 75 6e 64 |GrafPtr;| inBound|
|00000420| 73 3a 52 65 63 74 29 20 | 3a 20 42 4f 4f 4c 45 41 |s:Rect) |: BOOLEA|
|00000430| 4e 3b 0d 56 41 52 0d 20 | 20 73 61 76 65 50 6f 72 |N;.VAR. | savePor|
|00000440| 74 20 20 3a 20 47 72 61 | 66 50 74 72 3b 0d 20 20 |t : Gra|fPtr;. |
|00000450| 6e 65 77 50 6f 72 74 20 | 20 20 3a 20 47 72 61 66 |newPort | : Graf|
|00000460| 50 74 72 3b 0d 42 45 47 | 49 4e 0d 20 20 47 65 74 |Ptr;.BEG|IN. Get|
|00000470| 50 6f 72 74 28 73 61 76 | 65 50 6f 72 74 29 3b 20 |Port(sav|ePort); |
|00000480| 20 20 20 20 20 20 20 7b | 6e 65 65 64 20 74 68 69 | {|need thi|
|00000490| 73 20 74 6f 20 72 65 73 | 74 6f 72 65 20 74 68 65 |s to res|tore the|
|000004a0| 50 6f 72 74 20 61 66 74 | 65 72 20 4f 70 65 6e 50 |Port aft|er OpenP|
|000004b0| 6f 72 74 20 63 68 61 6e | 67 65 73 20 69 74 7d 0d |ort chan|ges it}.|
|000004c0| 20 20 6e 65 77 50 6f 72 | 74 20 3a 3d 20 47 72 61 | newPor|t := Gra|
|000004d0| 66 50 74 72 28 4e 65 77 | 50 74 72 28 73 69 7a 65 |fPtr(New|Ptr(size|
|000004e0| 6f 66 28 47 72 61 66 50 | 6f 72 74 29 29 29 3b 20 |of(GrafP|ort))); |
|000004f0| 20 20 20 7b 61 6c 6c 6f | 63 61 74 65 20 74 68 65 | {allo|cate the|
|00000500| 20 47 72 61 66 50 6f 72 | 74 7d 0d 20 20 49 46 20 | GrafPor|t}. IF |
|00000510| 4d 65 6d 45 72 72 6f 72 | 20 3c 3e 20 6e 6f 45 72 |MemError| <> noEr|
|00000520| 72 20 54 48 45 4e 20 42 | 45 47 49 4e 0d 20 20 20 |r THEN B|EGIN. |
|00000530| 20 43 72 65 61 74 65 4f | 66 66 73 63 72 65 65 6e | CreateO|ffscreen|
|00000540| 42 69 74 4d 61 70 20 3a | 3d 20 66 61 6c 73 65 3b |BitMap :|= false;|
|00000550| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000560| 7b 66 61 69 6c 65 64 20 | 74 6f 20 61 6c 6c 6f 63 |{failed |to alloc|
|00000570| 61 74 65 20 69 74 7d 0d | 20 20 20 20 45 58 49 54 |ate it}.| EXIT|
|00000580| 28 43 72 65 61 74 65 4f | 66 66 73 63 72 65 65 6e |(CreateO|ffscreen|
|00000590| 42 69 74 4d 61 70 29 3b | 0d 20 20 45 4e 44 3b 0d |BitMap);|. END;.|
|000005a0| 20 20 7b 0d 20 20 74 68 | 65 20 4f 70 65 6e 50 6f | {. th|e OpenPo|
|000005b0| 72 74 20 63 61 6c 6c 20 | 64 6f 65 73 20 74 68 65 |rt call |does the|
|000005c0| 20 66 6f 6c 6c 6f 77 69 | 6e 67 20 2e 20 2e 20 2e | followi|ng . . .|
|000005d0| 20 0d 20 20 20 20 61 6c | 6c 6f 63 61 74 65 73 20 | . al|locates |
|000005e0| 73 70 61 63 65 20 66 6f | 72 20 76 69 73 52 67 6e |space fo|r visRgn|
|000005f0| 20 28 73 65 74 20 74 6f | 20 73 63 72 65 65 6e 42 | (set to| screenB|
|00000600| 69 74 73 2e 62 6f 75 6e | 64 73 29 20 61 6e 64 20 |its.boun|ds) and |
|00000610| 63 6c 69 70 52 67 6e 20 | 28 73 65 74 20 77 69 64 |clipRgn |(set wid|
|00000620| 65 20 6f 70 65 6e 29 0d | 20 20 20 20 73 65 74 73 |e open).| sets|
|00000630| 20 70 6f 72 74 42 69 74 | 73 20 74 6f 20 73 63 72 | portBit|s to scr|
|00000640| 65 65 6e 42 69 74 73 0d | 20 20 20 20 73 65 74 73 |eenBits.| sets|
|00000650| 20 70 6f 72 74 52 65 63 | 74 20 74 6f 20 73 63 72 | portRec|t to scr|
|00000660| 65 65 6e 42 69 74 73 2e | 62 6f 75 6e 64 73 0d 20 |eenBits.|bounds. |
|00000670| 20 20 20 65 74 63 2e 20 | 28 73 65 65 20 49 4d 20 | etc. |(see IM |
|00000680| 49 2d 31 36 33 2c 31 36 | 34 29 0d 20 20 20 20 73 |I-163,16|4). s|
|00000690| 69 64 65 20 65 66 66 65 | 63 74 3a 20 64 6f 65 73 |ide effe|ct: does|
|000006a0| 20 61 20 53 65 74 50 6f | 72 74 28 6f 66 66 53 63 | a SetPo|rt(offSc|
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|000006c0| 50 6f 72 74 28 6e 65 77 | 50 6f 72 74 29 3b 0d 20 |Port(new|Port);. |
|000006d0| 20 7b 6d 61 6b 65 20 62 | 69 74 6d 61 70 20 65 78 | {make b|itmap ex|
|000006e0| 61 63 74 6c 79 20 74 68 | 65 20 73 69 7a 65 20 6f |actly th|e size o|
|000006f0| 66 20 74 68 65 20 62 6f | 75 6e 64 73 20 74 68 61 |f the bo|unds tha|
|00000700| 74 20 63 61 6c 6c 65 72 | 20 73 75 70 70 6c 69 65 |t caller| supplie|
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|00000750| 6e 20 6e 65 77 50 6f 72 | 74 7d 0d 20 20 20 20 70 |n newPor|t}. p|
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|00000770| 6e 64 73 3b 0d 20 20 20 | 20 52 65 63 74 52 67 6e |nds;. | RectRgn|
|00000780| 28 63 6c 69 70 52 67 6e | 2c 20 69 6e 42 6f 75 6e |(clipRgn|, inBoun|
|00000790| 64 73 29 3b 20 20 20 20 | 20 20 20 20 7b 61 76 6f |ds); | {avo|
|000007a0| 69 64 20 77 69 64 65 2d | 6f 70 65 6e 20 63 6c 69 |id wide-|open cli|
|000007b0| 70 52 67 6e 2c 20 74 6f | 20 62 65 20 73 61 66 65 |pRgn, to| be safe|
|000007c0| 7d 0d 20 20 20 20 52 65 | 63 74 52 67 6e 28 76 69 |}. Re|ctRgn(vi|
|000007d0| 73 52 67 6e 2c 20 69 6e | 42 6f 75 6e 64 73 29 3b |sRgn, in|Bounds);|
|000007e0| 20 20 20 20 20 20 20 20 | 20 7b 69 6e 20 63 61 73 | | {in cas|
|000007f0| 65 20 69 6e 42 6f 75 6e | 64 73 20 69 73 20 3e 20 |e inBoun|ds is > |
|00000800| 73 63 72 65 65 6e 20 62 | 6f 75 6e 64 73 7d 0d 20 |screen b|ounds}. |
|00000810| 20 45 4e 44 3b 0d 20 20 | 57 49 54 48 20 6e 65 77 | END;. |WITH new|
|00000820| 50 6f 72 74 5e 2e 70 6f | 72 74 42 69 74 73 20 44 |Port^.po|rtBits D|
|00000830| 4f 20 42 45 47 49 4e 20 | 20 20 20 20 20 20 7b 62 |O BEGIN | {b|
|00000840| 61 73 65 41 64 64 72 2c | 20 72 6f 77 42 79 74 65 |aseAddr,| rowByte|
|00000850| 73 20 61 6e 64 20 62 6f | 75 6e 64 73 20 61 72 65 |s and bo|unds are|
|00000860| 20 69 6e 20 6e 65 77 50 | 6f 72 74 7d 0d 20 20 20 | in newP|ort}. |
|00000870| 20 62 6f 75 6e 64 73 20 | 3a 3d 20 69 6e 42 6f 75 | bounds |:= inBou|
|00000880| 6e 64 73 3b 0d 20 20 20 | 20 7b 72 6f 77 42 79 74 |nds;. | {rowByt|
|00000890| 65 73 20 69 73 20 73 69 | 7a 65 20 6f 66 20 72 6f |es is si|ze of ro|
|000008a0| 77 20 20 49 74 20 6d 75 | 73 74 20 62 65 20 72 6f |w It mu|st be ro|
|000008b0| 75 6e 64 65 64 20 75 70 | 20 74 6f 20 65 76 65 6e |unded up| to even|
|000008c0| 20 6e 75 6d 62 65 72 20 | 6f 66 20 62 79 74 65 73 | number |of bytes|
|000008d0| 7d 0d 20 20 20 20 72 6f | 77 42 79 74 65 73 20 3a |}. ro|wBytes :|
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|000008f0| 68 74 20 2d 20 69 6e 42 | 6f 75 6e 64 73 2e 6c 65 |ht - inB|ounds.le|
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|00000910| 20 2a 20 32 3b 0d 20 20 | 20 20 7b 6e 75 6d 62 65 | * 2;. | {numbe|
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|00000940| 20 2a 20 6e 75 6d 62 65 | 72 20 6f 66 20 72 6f 77 | * numbe|r of row|
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|00000960| 20 61 74 20 65 6e 64 20 | 6f 66 20 54 65 63 68 6e | at end |of Techn|
|00000970| 69 63 61 6c 20 4e 6f 74 | 65 20 61 62 6f 75 74 20 |ical Not|e about |
|00000980| 75 73 69 6e 67 20 5f 4e | 65 77 48 61 6e 64 6c 65 |using _N|ewHandle|
|00000990| 20 72 61 74 68 65 72 20 | 74 68 61 6e 20 5f 4e 65 | rather |than _Ne|
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|000009b0| 64 72 20 3a 3d 20 4e 65 | 77 50 74 72 28 72 6f 77 |dr := Ne|wPtr(row|
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|000009e0| 2d 20 69 6e 42 6f 75 6e | 64 73 2e 74 6f 70 29 29 |- inBoun|ds.top))|
|000009f0| 3b 0d 20 20 45 4e 44 3b | 0d 20 20 49 46 20 4d 65 |;. END;|. IF Me|
|00000a00| 6d 45 72 72 6f 72 20 3c | 3e 20 6e 6f 45 72 72 20 |mError <|> noErr |
|00000a10| 54 48 45 4e 20 42 45 47 | 49 4e 20 20 20 20 7b 73 |THEN BEG|IN {s|
|00000a20| 65 65 20 69 66 20 77 65 | 20 68 61 64 20 65 6e 6f |ee if we| had eno|
|00000a30| 75 67 68 20 72 6f 6f 6d | 20 66 6f 72 20 74 68 65 |ugh room| for the|
|00000a40| 20 62 69 74 73 7d 0d 20 | 20 20 20 53 65 74 50 6f | bits}. | SetPo|
|00000a50| 72 74 28 73 61 76 65 50 | 6f 72 74 29 3b 0d 20 20 |rt(saveP|ort);. |
|00000a60| 20 20 43 6c 6f 73 65 50 | 6f 72 74 28 6e 65 77 50 | CloseP|ort(newP|
|00000a70| 6f 72 74 29 3b 20 20 20 | 20 20 20 20 20 20 20 20 |ort); | |
|00000a80| 20 20 20 7b 20 64 75 6d | 70 20 74 68 65 20 76 69 | { dum|p the vi|
|00000a90| 73 52 67 6e 20 61 6e 64 | 20 63 6c 69 70 52 67 6e |sRgn and| clipRgn|
|00000aa0| 20 7d 0d 20 20 20 20 44 | 69 73 70 6f 73 50 74 72 | }. D|isposPtr|
|00000ab0| 28 50 74 72 28 6e 65 77 | 50 6f 72 74 29 29 3b 20 |(Ptr(new|Port)); |
|00000ac0| 20 20 20 20 20 20 20 20 | 7b 20 64 75 6d 70 20 74 | |{ dump t|
|00000ad0| 68 65 20 47 72 61 66 50 | 6f 72 74 7d 0d 20 20 20 |he GrafP|ort}. |
|00000ae0| 20 43 72 65 61 74 65 4f | 66 66 73 63 72 65 65 6e | CreateO|ffscreen|
|00000af0| 42 69 74 4d 61 70 20 3a | 3d 20 66 61 6c 73 65 3b |BitMap :|= false;|
|00000b00| 0d 20 20 45 4e 44 0d 20 | 20 45 4c 53 45 20 42 45 |. END. | ELSE BE|
|00000b10| 47 49 4e 0d 20 20 20 20 | 7b 20 73 69 6e 63 65 20 |GIN. |{ since |
|00000b20| 74 68 65 20 62 69 74 73 | 20 61 72 65 20 6a 75 73 |the bits| are jus|
|00000b30| 74 20 6d 65 6d 6f 72 79 | 2c 20 6c 65 74 27 73 20 |t memory|, let's |
|00000b40| 65 72 61 73 65 20 74 68 | 65 6d 20 62 65 66 6f 72 |erase th|em befor|
|00000b50| 65 20 77 65 20 73 74 61 | 72 74 20 7d 0d 20 20 20 |e we sta|rt }. |
|00000b60| 20 45 72 61 73 65 52 65 | 63 74 28 69 6e 42 6f 75 | EraseRe|ct(inBou|
|00000b70| 6e 64 73 29 3b 20 20 20 | 20 20 20 20 20 20 20 20 |nds); | |
|00000b80| 20 7b 4f 70 65 6e 50 6f | 72 74 20 64 69 64 20 61 | {OpenPo|rt did a|
|00000b90| 20 53 65 74 50 6f 72 74 | 28 6e 65 77 50 6f 72 74 | SetPort|(newPort|
|00000ba0| 29 7d 0d 20 20 20 20 6e | 65 77 4f 66 66 73 63 72 |)}. n|ewOffscr|
|00000bb0| 65 65 6e 20 3a 3d 20 6e | 65 77 50 6f 72 74 3b 0d |een := n|ewPort;.|
|00000bc0| 20 20 20 20 53 65 74 50 | 6f 72 74 28 73 61 76 65 | SetP|ort(save|
|00000bd0| 50 6f 72 74 29 3b 0d 20 | 20 20 20 43 72 65 61 74 |Port);. | Creat|
|00000be0| 65 4f 66 66 73 63 72 65 | 65 6e 42 69 74 4d 61 70 |eOffscre|enBitMap|
|00000bf0| 20 3a 3d 20 74 72 75 65 | 3b 0d 20 20 45 4e 44 3b | := true|;. END;|
|00000c00| 0d 45 4e 44 3b 0d 48 65 | 72 65 20 69 73 20 74 68 |.END;.He|re is th|
|00000c10| 65 20 70 72 6f 63 65 64 | 75 72 65 20 74 6f 20 67 |e proced|ure to g|
|00000c20| 65 74 20 72 69 64 20 6f | 66 20 61 6e 20 6f 66 66 |et rid o|f an off|
|00000c30| 2d 73 63 72 65 65 6e 20 | 62 69 74 6d 61 70 20 63 |-screen |bitmap c|
|00000c40| 72 65 61 74 65 64 20 62 | 79 20 74 68 65 20 70 72 |reated b|y the pr|
|00000c50| 65 76 69 6f 75 73 20 66 | 75 6e 63 74 69 6f 6e 3a |evious f|unction:|
|00000c60| 0d 50 52 4f 43 45 44 55 | 52 45 20 44 65 73 74 72 |.PROCEDU|RE Destr|
|00000c70| 6f 79 4f 66 66 73 63 72 | 65 65 6e 42 69 74 4d 61 |oyOffscr|eenBitMa|
|00000c80| 70 28 6f 6c 64 4f 66 66 | 73 63 72 65 65 6e 20 3a |p(oldOff|screen :|
|00000c90| 20 47 72 61 66 50 74 72 | 29 3b 0d 42 45 47 49 4e | GrafPtr|);.BEGIN|
|00000ca0| 0d 20 20 43 6c 6f 73 65 | 50 6f 72 74 28 6f 6c 64 |. Close|Port(old|
|00000cb0| 4f 66 66 73 63 72 65 65 | 6e 29 3b 20 20 20 20 20 |Offscree|n); |
|00000cc0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000cd0| 20 20 7b 20 64 75 6d 70 | 20 74 68 65 20 76 69 73 | { dump| the vis|
|00000ce0| 52 67 6e 20 61 6e 64 20 | 63 6c 69 70 52 67 6e 20 |Rgn and |clipRgn |
|00000cf0| 7d 0d 20 20 44 69 73 70 | 6f 73 50 74 72 28 6f 6c |}. Disp|osPtr(ol|
|00000d00| 64 4f 66 66 73 63 72 65 | 65 6e 5e 2e 70 6f 72 74 |dOffscre|en^.port|
|00000d10| 42 69 74 73 2e 62 61 73 | 65 41 64 64 72 29 3b 20 |Bits.bas|eAddr); |
|00000d20| 20 20 20 7b 20 64 75 6d | 70 20 74 68 65 20 62 69 | { dum|p the bi|
|00000d30| 74 73 20 7d 0d 20 20 44 | 69 73 70 6f 73 50 74 72 |ts }. D|isposPtr|
|00000d40| 28 50 74 72 28 6f 6c 64 | 4f 66 66 73 63 72 65 65 |(Ptr(old|Offscree|
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|00003720| 6c 6c 73 20 28 49 6e 73 | 69 64 65 20 4d 61 63 69 |lls (Ins|ide Maci|
|00003730| 6e 74 6f 73 68 2c 20 56 | 6f 6c 75 6d 65 20 56 29 |ntosh, V|olume V)|
|00003740| 20 69 6e 73 74 65 61 64 | 20 6f 66 20 74 68 65 20 | instead| of the |
|00003750| 73 74 61 6e 64 61 72 64 | 20 51 75 69 63 6b 44 72 |standard| QuickDr|
|00003760| 61 77 20 63 61 6c 6c 73 | 20 28 49 6e 73 69 64 65 |aw calls| (Inside|
|00003770| 20 4d 61 63 69 6e 74 6f | 73 68 2c 20 56 6f 6c 75 | Macinto|sh, Volu|
|00003780| 6d 65 20 49 29 2e 0d 59 | 6f 75 20 6d 61 79 20 61 |me I)..Y|ou may a|
|00003790| 6c 73 6f 20 77 61 6e 74 | 20 74 6f 20 72 65 66 65 |lso want| to refe|
|000037a0| 72 20 74 6f 20 74 68 65 | 20 4f 66 66 53 63 72 65 |r to the| OffScre|
|000037b0| 65 6e 20 6c 69 62 72 61 | 72 79 20 28 44 54 53 20 |en libra|ry (DTS |
|000037c0| 53 61 6d 70 6c 65 20 43 | 6f 64 65 20 23 31 35 29 |Sample C|ode #15)|
|000037d0| 20 77 68 69 63 68 20 70 | 72 6f 76 69 64 65 73 20 | which p|rovides |
|000037e0| 62 6f 74 68 20 68 69 67 | 68 2d 20 61 6e 64 20 6c |both hig|h- and l|
|000037f0| 6f 77 2d 6c 65 76 65 6c | 20 6f 66 66 2d 73 63 72 |ow-level| off-scr|
|00003800| 65 65 6e 20 62 69 74 6d | 61 70 20 73 75 70 70 6f |een bitm|ap suppo|
|00003810| 72 74 20 66 6f 72 20 74 | 68 65 20 31 32 38 4b 20 |rt for t|he 128K |
|00003820| 61 6e 64 20 6c 61 74 65 | 72 20 52 4f 4d 73 2e 20 |and late|r ROMs. |
|00003830| 20 54 68 65 20 4f 66 66 | 53 61 6d 70 6c 65 20 61 | The Off|Sample a|
|00003840| 70 70 6c 69 63 61 74 69 | 6f 6e 20 28 44 54 53 20 |pplicati|on (DTS |
|00003850| 53 61 6d 70 6c 65 20 43 | 6f 64 65 20 23 31 36 29 |Sample C|ode #16)|
|00003860| 20 64 65 6d 6f 6e 73 74 | 72 61 74 65 73 20 74 68 | demonst|rates th|
|00003870| 65 20 75 73 65 20 6f 66 | 20 74 68 69 73 20 6c 69 |e use of| this li|
|00003880| 62 72 61 72 79 2e 0d 46 | 75 72 74 68 65 72 20 52 |brary..F|urther R|
|00003890| 65 66 65 72 65 6e 63 65 | 3a 0d a5 09 49 6e 73 69 |eference|:...Insi|
|000038a0| 64 65 20 4d 61 63 69 6e | 74 6f 73 68 2c 20 56 6f |de Macin|tosh, Vo|
|000038b0| 6c 75 6d 65 73 20 49 20 | 26 20 49 56 2c 20 51 75 |lumes I |& IV, Qu|
|000038c0| 69 63 6b 44 72 61 77 0d | a5 09 49 6e 73 69 64 65 |ickDraw.|..Inside|
|000038d0| 20 4d 61 63 69 6e 74 6f | 73 68 2c 20 56 6f 6c 75 | Macinto|sh, Volu|
|000038e0| 6d 65 20 56 2c 20 43 6f | 6c 6f 72 20 51 75 69 63 |me V, Co|lor Quic|
|000038f0| 6b 44 72 61 77 0d a5 09 | 54 65 63 68 6e 69 63 61 |kDraw...|Technica|
|00003900| 6c 20 4e 6f 74 65 20 23 | 31 32 30 2c 20 44 72 61 |l Note #|120, Dra|
|00003910| 77 69 6e 67 20 49 6e 74 | 6f 20 61 6e 20 4f 66 66 |wing Int|o an Off|
|00003920| 2d 53 63 72 65 65 6e 20 | 50 69 78 65 6c 20 4d 61 |-Screen |Pixel Ma|
|00003930| 70 0d a5 09 54 65 63 68 | 6e 69 63 61 6c 20 4e 6f |p...Tech|nical No|
|00003940| 74 65 20 23 31 39 34 2c | 20 57 4d 67 72 50 6f 72 |te #194,| WMgrPor|
|00003950| 74 61 62 69 6c 69 74 79 | 0d a5 09 44 54 53 20 4d |tability|...DTS M|
|00003960| 61 63 69 6e 74 6f 73 68 | 20 53 61 6d 70 6c 65 20 |acintosh| Sample |
|00003970| 43 6f 64 65 20 23 31 35 | 2c 20 4f 66 66 53 63 72 |Code #15|, OffScr|
|00003980| 65 65 6e 20 26 20 23 31 | 36 2c 20 4f 66 66 53 61 |een & #1|6, OffSa|
|00003990| 6d 70 6c 65 0d 14 4c 00 | 00 00 00 02 d7 02 23 00 |mple..L.|......#.|
|000039a0| 11 02 ff 0c 00 ff ff ff | ff 00 00 00 00 00 00 00 |........|........|
|000039b0| 00 02 23 00 00 02 d7 00 | 00 00 00 00 00 00 a1 00 |..#.....|........|
|000039c0| 64 00 0c 57 4f 52 44 00 | 00 00 00 00 53 01 ca 00 |d..WORD.|....S...|
|000039d0| a0 00 8c 00 a1 00 64 00 | 0c 57 4f 52 44 00 00 00 |......d.|.WORD...|
|000039e0| 00 00 52 01 c9 00 a0 00 | 82 00 0c 00 1e 00 1f 00 |..R.....|........|
|000039f0| 01 00 0a 00 2e 00 5a 00 | 80 02 23 00 07 00 00 00 |......Z.|..#.....|
|00003a00| 00 00 08 00 0a 00 09 30 | 49 88 3a b5 9c f0 39 00 |.......0|I.:...9.|
|00003a10| 22 00 7a 02 1a 00 00 00 | 09 ff ff ff ff ff ff ff |".z.....|........|
|00003a20| ff 00 23 00 00 00 a0 00 | c4 00 a1 00 64 00 0a 4f |..#.....|....d..O|
|00003a30| 4e 4c 4e 00 66 00 00 01 | fe 00 a0 00 8c 00 a1 00 |NLN.f...|........|
|00003a40| 64 00 31 64 72 77 32 00 | 02 01 c9 00 2d 01 e1 01 |d.1drw2.|....-...|
|00003a50| 5f 00 00 80 00 00 00 00 | 00 00 00 00 00 00 00 00 |_.......|........|
|00003a60| 00 00 00 00 00 ff ff ff | ff ff ff 00 01 00 00 01 |........|........|
|00003a70| 8f 00 00 00 00 00 a1 00 | 96 00 0c 01 00 00 00 02 |........|........|
|00003a80| 78 00 00 00 00 00 00 00 | a1 00 64 00 10 64 72 77 |x.......|..d..drw|
|00003a90| 32 00 3a 00 05 00 00 00 | 00 00 01 00 00 00 a1 00 |2.:.....|........|
|00003aa0| 64 00 0e 64 72 77 32 00 | 3a 00 02 00 24 00 00 00 |d..drw2.|:...$...|
|00003ab0| 00 00 a1 00 64 00 34 64 | 72 77 32 00 3a 00 01 00 |....d.4d|rw2.:...|
|00003ac0| 03 01 00 00 18 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003ad0| 01 00 01 00 01 00 01 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003ae0| 00 00 00 00 00 00 00 00 | 00 00 00 00 a1 00 9a 00 |........|........|
|00003af0| 08 ff fa 00 00 00 97 40 | 00 00 a0 00 98 00 2c 00 |.......@|......,.|
|00003b00| 08 00 14 05 54 69 6d 65 | 73 00 03 00 14 00 04 01 |....Time|s.......|
|00003b10| 00 00 0d 00 18 00 2e 00 | 04 00 00 01 00 00 10 65 |........|.......e|
|00003b20| 52 53 0f 65 52 53 0f 00 | 2b 5d 41 13 4e 65 77 20 |RS.eRS..|+]A.New |
|00003b30| 54 65 63 68 6e 69 63 61 | 6c 20 4e 6f 74 65 73 00 |Technica|l Notes.|
|00003b40| a0 00 99 00 a1 00 64 00 | 08 64 72 77 32 00 3a 00 |......d.|.drw2.:.|
|00003b50| 04 00 a1 14 e3 00 02 00 | 01 00 a0 00 97 00 a1 00 |........|........|
|00003b60| 64 00 31 64 72 77 32 00 | 02 02 06 01 65 02 19 01 |d.1drw2.|....e...|
|00003b70| f4 00 00 80 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003b80| 00 00 00 00 00 ff ff ff | ff ff ff 00 01 00 00 01 |........|........|
|00003b90| 50 00 00 00 00 00 a1 00 | 96 00 0c 01 00 00 00 02 |P.......|........|
|00003ba0| 78 00 00 00 00 00 00 00 | a1 00 64 00 10 64 72 77 |x.......|..d..drw|
|00003bb0| 32 00 3a 00 05 00 00 00 | 00 00 01 00 00 00 a1 00 |2.:.....|........|
|00003bc0| 64 00 0e 64 72 77 32 00 | 3a 00 02 00 24 00 00 00 |d..drw2.|:...$...|
|00003bd0| 00 00 a1 00 64 00 34 64 | 72 77 32 00 3a 00 01 00 |....d.4d|rw2.:...|
|00003be0| 03 00 00 00 12 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003bf0| 01 00 01 00 01 00 01 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003c00| 00 00 00 00 00 00 00 00 | 00 00 00 00 a1 00 9a 00 |........|........|
|00003c10| 08 ff fb 80 00 00 45 c0 | 00 00 a0 00 98 00 04 00 |......E.|........|
|00003c20| 00 00 0d 00 12 00 15 21 | 00 00 28 00 7a 01 95 11 |.......!|..(.z...|
|00003c30| 44 65 76 65 6c 6f 70 65 | 72 20 53 75 70 70 6f 72 |Develope|r Suppor|
|00003c40| 74 00 a0 00 99 00 a1 00 | 64 00 08 64 72 77 32 00 |t.......|d..drw2.|
|00003c50| 3a 00 04 00 a1 14 e3 00 | 02 00 01 00 a0 00 97 00 |:.......|........|
|00003c60| a1 00 64 00 60 64 72 77 | 32 00 03 02 00 00 2d 02 |..d.`drw|2.....-.|
|00003c70| 00 01 ef 00 00 00 00 00 | 00 00 00 02 02 00 00 00 |........|........|
|00003c80| 00 00 00 00 00 00 00 ff | ff ff ff ff ff 00 01 00 |........|........|
|00003c90| 01 08 4b 00 00 00 00 02 | 00 01 ef 02 00 00 2d 00 |..K.....|......-.|
|00003ca0| 00 00 00 00 00 00 00 00 | 01 00 14 00 0c 00 03 00 |........|........|
|00003cb0| 02 00 00 00 5a 00 01 00 | 00 00 02 00 00 00 03 00 |....Z...|........|
|00003cc0| 0c 00 00 00 00 00 07 00 | 02 00 02 00 08 00 08 00 |........|........|
|00003cd0| 20 00 65 02 1c 00 65 00 | 5a 00 a1 00 64 00 31 64 | .e...e.|Z...d.1d|
|00003ce0| 72 77 32 00 02 01 ca 01 | c0 01 fa 01 e9 00 00 00 |rw2.....|........|
|00003cf0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003d00| 00 ff ff ff ff ff ff 00 | 01 00 00 01 4b 00 00 00 |........|....K...|
|00003d10| 00 00 a1 00 96 00 0c 01 | 00 00 00 02 78 00 00 00 |........|....x...|
|00003d20| 00 00 00 00 a1 00 64 00 | 10 64 72 77 32 00 3a 00 |......d.|.drw2.:.|
|00003d30| 05 00 00 00 00 00 01 00 | 00 00 a1 00 64 00 0e 64 |........|....d..d|
|00003d40| 72 77 32 00 3a 00 02 00 | 24 00 00 00 00 00 a1 00 |rw2.:...|$.......|
|00003d50| 64 00 34 64 72 77 32 00 | 3a 00 01 00 03 00 00 00 |d.4drw2.|:.......|
|00003d60| 30 00 00 00 00 00 00 00 | 00 00 00 00 01 00 01 00 |0.......|........|
|00003d70| 01 00 01 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003d80| 00 00 00 00 00 00 00 00 | a1 00 9a 00 08 ff f4 00 |........|........|
|00003d90| 00 00 13 80 00 00 a0 00 | 98 00 0d 00 30 00 28 00 |........|....0.(.|
|00003da0| 54 01 ef 01 f0 00 a0 00 | 99 00 a1 00 64 00 08 64 |T.......|....d..d|
|00003db0| 72 77 32 00 3a 00 04 00 | a1 14 e3 00 02 00 01 00 |rw2.:...|........|
|00003dc0| a0 00 97 00 a1 00 64 00 | 31 64 72 77 32 00 02 01 |......d.|1drw2...|
|00003dd0| ef 01 e6 01 fa 01 f0 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003de0| 00 00 00 00 00 00 00 00 | 00 00 00 ff ff ff ff ff |........|........|
|00003df0| ff 00 01 00 00 01 00 00 | 00 00 00 00 a1 00 96 00 |........|........|
|00003e00| 0c 01 00 00 00 02 78 00 | 00 00 00 00 00 00 a1 00 |......x.|........|
|00003e10| 64 00 10 64 72 77 32 00 | 3a 00 05 00 00 00 00 00 |d..drw2.|:.......|
|00003e20| 01 00 00 00 a1 00 64 00 | 0e 64 72 77 32 00 3a 00 |......d.|.drw2.:.|
|00003e30| 02 00 24 00 00 00 00 00 | a1 00 64 00 34 64 72 77 |..$.....|..d.4drw|
|00003e40| 32 00 3a 00 01 00 03 00 | 00 00 09 00 00 00 00 00 |2.:.....|........|
|00003e50| 00 00 00 00 00 00 01 00 | 01 00 01 00 01 00 00 00 |........|........|
|00003e60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003e70| 00 00 a1 00 9a 00 08 ff | fd 80 00 00 04 00 00 00 |........|........|
|00003e80| a0 00 98 00 0d 00 09 00 | 15 6c 00 00 2b 26 09 01 |........|.l..+&..|
|00003e90| a8 00 a0 00 99 00 a1 00 | 64 00 08 64 72 77 32 00 |........|d..drw2.|
|00003ea0| 3a 00 04 00 a1 14 e3 00 | 02 00 01 00 a0 00 97 00 |:.......|........|
|00003eb0| a1 00 64 00 31 64 72 77 | 32 00 02 01 e5 00 2d 01 |..d.1drw|2.....-.|
|00003ec0| f8 00 79 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |..y.....|........|
|00003ed0| 00 00 00 00 00 00 00 ff | ff ff ff ff ff 00 01 00 |........|........|
|00003ee0| 01 01 00 00 00 01 00 00 | a1 00 96 00 0c 01 00 00 |........|........|
|00003ef0| 00 02 78 00 00 00 00 00 | 00 00 a1 00 64 00 10 64 |..x.....|....d..d|
|00003f00| 72 77 32 00 3a 00 05 00 | 00 00 00 00 01 00 00 00 |rw2.:...|........|
|00003f10| a1 00 64 00 0e 64 72 77 | 32 00 3a 00 02 00 24 00 |..d..drw|2.:...$.|
|00003f20| 00 00 00 00 a1 00 64 00 | 34 64 72 77 32 00 3a 00 |......d.|4drw2.:.|
|00003f30| 01 00 03 00 00 00 12 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003f40| 00 00 01 00 01 00 01 00 | 01 00 00 00 00 00 00 00 |........|........|
|00003f50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 a1 00 |........|........|
|00003f60| 9a 00 08 ff fb 80 00 00 | 25 00 00 00 a0 00 98 00 |........|%.......|
|00003f70| 0d 00 12 00 15 42 80 00 | 28 00 59 00 5c 09 4d 61 |.....B..|(.Y.\.Ma|
|00003f80| 63 69 6e 74 6f 73 68 00 | a0 00 99 00 a1 00 64 00 |cintosh.|......d.|
|00003f90| 08 64 72 77 32 00 3a 00 | 04 00 a1 14 e3 00 02 00 |.drw2.:.|........|
|00003fa0| 01 00 a0 00 97 00 a0 00 | 8d 00 a1 00 64 00 06 64 |........|....d..d|
|00003fb0| 72 77 32 00 44 00 a0 00 | 83 00 a1 00 64 00 04 57 |rw2.D...|....d..W|
|00003fc0| 4f 52 44 00 a0 00 8d 00 | 01 00 0a 00 00 00 00 03 |ORD.....|........|
|00003fd0| 49 02 52 00 04 01 00 00 | 2e 00 04 00 00 00 00 00 |I.R.....|........|
|00003fe0| 10 00 01 00 01 00 01 00 | 01 00 a1 00 64 00 10 4f |........|....d..O|
|00003ff0| 4e 4c 4e 00 64 00 00 00 | 6e 00 3c 00 80 01 52 00 |NLN.d...|n.<...R.|
|00004000| 28 00 9b 00 5a 21 44 72 | 61 77 69 6e 67 20 49 6e |(...Z!Dr|awing In|
|00004010| 74 6f 20 61 6e 20 4f 66 | 66 2d 53 63 72 65 65 6e |to an Of|f-Screen|
|00004020| 20 42 69 74 6d 61 70 00 | 0d 00 0e 00 a1 00 64 00 | Bitmap.|......d.|
|00004030| 10 4f 4e 4c 4e 00 64 00 | 22 00 80 00 3c 00 8e 00 |.ONLN.d.|"...<...|
|00004040| 6e 00 2a 0f 07 49 6d 61 | 67 69 6e 67 00 00 a1 00 |n.*..Ima|ging....|
|00004050| 64 00 10 4f 4e 4c 4e 00 | 64 00 2a 00 80 01 71 00 |d..ONLN.|d.*...q.|
|00004060| 8e 01 fe 00 28 00 aa 01 | 8f 14 4d 2e 49 4d 2e 4f |....(...|..M.IM.O|
|00004070| 66 66 73 63 72 65 65 6e | 42 69 74 4d 61 70 00 00 |ffscreen|BitMap..|
|00004080| 04 00 00 00 0d 00 0c 00 | a1 00 64 00 10 4f 4e 4c |........|..d..ONL|
|00004090| 4e 00 64 00 3f 00 9a 00 | 3c 00 a6 00 73 00 28 00 |N.d.?...|<...s.(.|
|000040a0| c2 00 5a 0b 52 65 76 69 | 73 65 64 20 62 79 3a 00 |..Z.Revi|sed by:.|
|000040b0| a1 00 64 00 10 4f 4e 4c | 4e 00 64 00 4b 00 9a 00 |..d..ONL|N.d.K...|
|000040c0| 84 00 a6 01 01 00 29 48 | 18 4a 6f 6e 20 5a 61 70 |......)H|.Jon Zap|
|000040d0| 20 26 20 46 6f 72 72 65 | 73 74 20 54 61 6e 61 6b | & Forre|st Tanak|
|000040e0| 61 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 00 64 00 |a...d..O|NLN.d.d.|
|000040f0| 9a 01 cd 00 a6 01 fe 00 | 28 00 c2 01 eb 09 4a 75 |........|(.....Ju|
|00004100| 6e 65 20 31 39 39 30 00 | a1 00 64 00 10 4f 4e 4c |ne 1990.|..d..ONL|
|00004110| 4e 00 64 00 6e 00 a6 00 | 3c 00 b2 00 72 00 28 00 |N.d.n...|<...r.(.|
|00004120| ce 00 5a 0b 57 72 69 74 | 74 65 6e 20 62 79 3a 00 |..Z.Writ|ten by:.|
|00004130| a1 00 64 00 10 4f 4e 4c | 4e 00 64 00 7a 00 a6 00 |..d..ONL|N.d.z...|
|00004140| 84 00 b2 01 2a 00 29 48 | 21 4a 69 6d 20 46 72 69 |....*.)H|!Jim Fri|
|00004150| 65 64 6c 61 6e 64 65 72 | 20 26 20 47 69 6e 67 65 |edlander| & Ginge|
|00004160| 72 20 4a 65 72 6e 69 67 | 61 6e 00 00 a1 00 64 00 |r Jernig|an....d.|
|00004170| 10 4f 4e 4c 4e 00 64 00 | 9c 00 a6 01 cf 00 b2 01 |.ONLN.d.|........|
|00004180| fe 00 28 00 ce 01 ed 09 | 4a 75 6c 79 20 31 39 38 |..(.....|July 198|
|00004190| 35 00 06 00 01 00 00 00 | a1 00 64 00 10 4f 4e 4c |5.......|..d..ONL|
|000041a0| 4e 00 64 00 a6 00 be 00 | 3c 00 ca 01 a7 00 28 00 |N.d.....|<.....(.|
|000041b0| e6 00 5a 4a 54 68 69 73 | 20 54 65 63 68 6e 69 63 |..ZJThis| Technic|
|000041c0| 61 6c 20 4e 6f 74 65 20 | 70 72 6f 76 69 64 65 73 |al Note |provides|
|000041d0| 20 61 6e 20 65 78 61 6d | 70 6c 65 20 6f 66 20 63 | an exam|ple of c|
|000041e0| 72 65 61 74 69 6e 67 20 | 61 6e 20 6f 66 66 2d 73 |reating |an off-s|
|000041f0| 63 72 65 65 6e 20 62 69 | 74 6d 61 70 2c 20 00 00 |creen bi|tmap, ..|
|00004200| 06 00 02 00 00 00 a1 00 | 64 00 10 4f 4e 4c 4e 00 |........|d..ONLN.|
|00004210| 64 00 f0 00 be 01 a7 00 | ca 01 fe 00 28 00 e6 01 |d.......|....(...|
|00004220| c5 12 64 72 61 77 69 6e | 67 20 74 6f 20 69 74 2c |..drawin|g to it,|
|00004230| 20 61 6e 64 00 00 06 00 | 00 00 00 00 a1 00 64 00 | and....|......d.|
|00004240| 10 4f 4e 4c 4e 00 64 01 | 03 00 ca 00 3c 00 d6 00 |.ONLN.d.|....<...|
|00004250| dd 00 28 00 f2 00 5a 23 | 74 68 65 6e 20 63 6f 70 |..(...Z#|then cop|
|00004260| 79 69 6e 67 20 66 72 6f | 6d 20 69 74 20 74 6f 20 |ying fro|m it to |
|00004270| 74 68 65 20 73 63 72 65 | 65 6e 2e 00 04 01 00 00 |the scre|en......|
|00004280| a1 00 64 00 10 4f 4e 4c | 4e 00 64 01 27 00 d6 00 |..d..ONL|N.d.'...|
|00004290| 3c 00 e2 00 c5 00 2a 0c | 19 43 68 61 6e 67 65 73 |<.....*.|.Changes|
|000042a0| 20 73 69 6e 63 65 20 41 | 70 72 69 6c 20 31 39 39 | since A|pril 199|
|000042b0| 30 3a 00 00 04 00 00 00 | a1 00 64 00 10 4f 4e 4c |0:......|..d..ONL|
|000042c0| 4e 00 64 01 40 00 d6 00 | c5 00 e2 01 2c 00 29 89 |N.d.@...|....,.).|
|000042d0| 18 20 20 43 6c 61 72 69 | 66 69 65 64 20 74 68 65 |. Clari|fied the|
|000042e0| 20 73 65 63 74 69 6f 6e | 20 00 06 00 01 00 00 00 | section| .......|
|000042f0| a1 00 64 00 10 4f 4e 4c | 4e 00 64 01 58 00 d6 01 |..d..ONL|N.d.X...|
|00004300| 2c 00 e2 01 fe 00 29 67 | 29 6f 6e 20 77 69 6e 64 |,.....)g|)on wind|
|00004310| 6f 77 20 75 70 64 61 74 | 65 73 20 77 69 74 68 20 |ow updat|es with |
|00004320| 6f 66 66 2d 73 63 72 65 | 65 6e 20 62 69 74 6d 61 |off-scre|en bitma|
|00004330| 70 73 00 00 07 00 01 00 | 01 00 22 00 f5 02 1e 00 |ps......|..".....|
|00004340| 0b 00 06 00 00 00 00 00 | a1 00 64 00 10 4f 4e 4c |........|..d..ONL|
|00004350| 4e 00 64 01 82 00 e2 00 | 3c 00 ee 01 39 00 28 01 |N.d.....|<...9.(.|
|00004360| 0a 00 5a 36 74 6f 20 65 | 78 70 6c 69 63 69 74 6c |..Z6to e|xplicitl|
|00004370| 79 20 6c 69 6d 69 74 20 | 74 68 65 73 65 20 75 70 |y limit |these up|
|00004380| 64 61 74 65 73 20 74 6f | 20 79 6f 75 72 20 6f 77 |dates to| your ow|
|00004390| 6e 20 77 69 6e 64 6f 77 | 73 2e 00 00 22 01 01 02 |n window|s..."...|
|000043a0| 1e 00 0b 00 20 01 19 00 | 58 01 19 02 1d 00 06 00 |.... ...|X.......|
|000043b0| 01 00 00 00 a1 00 64 00 | 10 4f 4e 4c 4e 00 64 01 |......d.|.ONLN.d.|
|000043c0| b9 01 07 00 3c 01 13 00 | 8f 00 2a 25 11 54 68 65 |....<...|..*%.The|
|000043d0| 20 66 6f 6c 6c 6f 77 69 | 6e 67 20 69 73 20 00 00 | followi|ng is ..|
|000043e0| 06 00 02 00 00 00 a1 00 | 64 00 10 4f 4e 4c 4e 00 |........|d..ONLN.|
|000043f0| 64 01 ca 01 07 00 8f 01 | 13 01 fe 00 29 53 48 61 |d.......|....)SHa|
|00004400| 6e 20 65 78 61 6d 70 6c | 65 20 6f 66 20 63 72 65 |n exampl|e of cre|
|00004410| 61 74 69 6e 67 20 61 6e | 64 20 64 72 61 77 69 6e |ating an|d drawin|
|00004420| 67 20 74 6f 20 61 6e 20 | 6f 66 66 2d 73 63 72 65 |g to an |off-scre|
|00004430| 65 6e 20 62 69 74 6d 61 | 70 2c 20 74 68 65 6e 20 |en bitma|p, then |
|00004440| 63 6f 70 79 69 6e 67 00 | 06 00 00 00 00 00 a1 00 |copying.|........|
|00004450| 64 00 10 4f 4e 4c 4e 00 | 64 02 13 01 13 00 3c 01 |d..ONLN.|d.....<.|
|00004460| 1f 01 d2 00 28 01 3b 00 | 5a 51 66 72 6f 6d 20 69 |....(.;.|ZQfrom i|
|00004470| 74 20 74 6f 20 61 6e 20 | 6f 6e 2d 73 63 72 65 65 |t to an |on-scree|
|00004480| 6e 20 77 69 6e 64 6f 77 | 2e 20 20 57 65 20 73 75 |n window|. We su|
|00004490| 70 70 6c 79 20 74 68 69 | 73 20 65 78 61 6d 70 6c |pply thi|s exampl|
|000044a0| 65 20 69 6e 20 62 6f 74 | 68 20 4d 50 57 20 50 61 |e in bot|h MPW Pa|
|000044b0| 73 63 61 6c 20 61 6e 64 | 20 43 2e 00 04 01 00 00 |scal and| C......|
|000044c0| a1 00 64 00 10 4f 4e 4c | 4e 00 64 02 65 01 2b 00 |..d..ONL|N.d.e.+.|
|000044d0| 3c 01 37 00 7e 00 2a 18 | 0a 4d 50 57 20 50 61 73 |<.7.~.*.|.MPW Pas|
|000044e0| 63 61 6c 00 04 00 00 00 | 06 00 01 00 00 00 a1 00 |cal.....|........|
|000044f0| 64 00 10 4f 4e 4c 4e 00 | 64 02 70 01 43 00 3c 01 |d..ONLN.|d.p.C.<.|
|00004500| 4f 00 9f 00 2a 18 17 46 | 69 72 73 74 2c 20 6c 65 |O...*..F|irst, le|
|00004510| 74 d5 73 20 6c 6f 6f 6b | 20 61 74 20 61 20 00 00 |t.s look| at a ..|
|00004520| 06 00 02 00 00 00 a1 00 | 64 00 10 4f 4e 4c 4e 00 |........|d..ONLN.|
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|00005260| 20 54 65 63 68 6e 69 63 | 61 6c 20 4e 6f 74 65 20 | Technic|al Note |
|00005270| 61 62 6f 75 74 20 75 73 | 69 6e 67 20 5f 4e 65 77 |about us|ing _New|
|00005280| 48 61 6e 64 6c 65 20 72 | 61 74 68 65 72 20 74 68 |Handle r|ather th|
|00005290| 61 6e 20 5f 4e 65 77 50 | 74 72 7d 00 a1 00 64 00 |an _NewP|tr}...d.|
|000052a0| 10 4f 4e 4c 4e 00 64 01 | 90 00 6c 00 18 00 77 01 |.ONLN.d.|..l...w.|
|000052b0| 8f 00 2a 0a 4b 20 20 20 | 20 62 61 73 65 41 64 64 |..*.K | baseAdd|
|000052c0| 72 20 3a 3d 20 4e 65 77 | 50 74 72 28 72 6f 77 42 |r := New|Ptr(rowB|
|000052d0| 79 74 65 73 20 2a 20 4c | 4f 4e 47 49 4e 54 28 69 |ytes * L|ONGINT(i|
|000052e0| 6e 42 6f 75 6e 64 73 2e | 62 6f 74 74 6f 6d 20 2d |nBounds.|bottom -|
|000052f0| 20 69 6e 42 6f 75 6e 64 | 73 2e 74 6f 70 29 29 3b | inBound|s.top));|
|00005300| 00 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 01 dc 00 |....d..O|NLN.d...|
|00005310| 76 00 18 00 81 00 36 00 | 2a 0a 06 20 20 45 4e 44 |v.....6.|*.. END|
|00005320| 3b 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 01 e3 00 |;...d..O|NLN.d...|
|00005330| 80 00 18 00 8b 01 99 00 | 2a 0a 4d 20 20 49 46 20 |........|*.M IF |
|00005340| 4d 65 6d 45 72 72 6f 72 | 20 3c 3e 20 6e 6f 45 72 |MemError| <> noEr|
|00005350| 72 20 54 48 45 4e 20 42 | 45 47 49 4e 20 20 20 20 |r THEN B|EGIN |
|00005360| 7b 73 65 65 20 69 66 20 | 77 65 20 68 61 64 20 65 |{see if |we had e|
|00005370| 6e 6f 75 67 68 20 72 6f | 6f 6d 20 66 6f 72 20 74 |nough ro|om for t|
|00005380| 68 65 20 62 69 74 73 7d | 00 00 a1 00 64 00 10 4f |he bits}|....d..O|
|00005390| 4e 4c 4e 00 64 02 31 00 | 8a 00 18 00 95 00 86 00 |NLN.d.1.|........|
|000053a0| 2a 0a 16 20 20 20 20 53 | 65 74 50 6f 72 74 28 73 |*.. S|etPort(s|
|000053b0| 61 76 65 50 6f 72 74 29 | 3b 00 a1 00 64 00 10 4f |avePort)|;...d..O|
|000053c0| 4e 4c 4e 00 64 02 48 00 | 94 00 18 00 9f 01 6c 00 |NLN.d.H.|......l.|
|000053d0| 2a 0a 44 20 20 20 20 43 | 6c 6f 73 65 50 6f 72 74 |*.D C|losePort|
|000053e0| 28 6e 65 77 50 6f 72 74 | 29 3b 20 20 20 20 20 20 |(newPort|); |
|000053f0| 20 20 20 20 20 20 20 20 | 7b 20 64 75 6d 70 20 74 | |{ dump t|
|00005400| 68 65 20 76 69 73 52 67 | 6e 20 61 6e 64 20 63 6c |he visRg|n and cl|
|00005410| 69 70 52 67 6e 20 7d 00 | a1 00 64 00 10 4f 4e 4c |ipRgn }.|..d..ONL|
|00005420| 4e 00 64 02 8d 00 9e 00 | 18 00 a9 01 35 00 2a 0a |N.d.....|....5.*.|
|00005430| 39 20 20 20 20 44 69 73 | 70 6f 73 50 74 72 28 50 |9 Dis|posPtr(P|
|00005440| 74 72 28 6e 65 77 50 6f | 72 74 29 29 3b 20 20 20 |tr(newPo|rt)); |
|00005450| 20 20 20 20 20 20 7b 20 | 64 75 6d 70 20 74 68 65 | { |dump the|
|00005460| 20 47 72 61 66 50 6f 72 | 74 7d 00 00 a1 00 64 00 | GrafPor|t}....d.|
|00005470| 10 4f 4e 4c 4e 00 64 02 | c7 00 a8 00 18 00 b3 00 |.ONLN.d.|........|
|00005480| c7 00 2a 0a 23 20 20 20 | 20 43 72 65 61 74 65 4f |..*.# | CreateO|
|00005490| 66 66 73 63 72 65 65 6e | 42 69 74 4d 61 70 20 3a |ffscreen|BitMap :|
|000054a0| 3d 20 66 61 6c 73 65 3b | 00 00 a1 00 64 00 10 4f |= false;|....d..O|
|000054b0| 4e 4c 4e 00 64 02 eb 00 | b2 00 18 00 bd 00 31 00 |NLN.d...|......1.|
|000054c0| 2a 0a 05 20 20 45 4e 44 | 00 00 a1 00 64 00 10 4f |*.. END|....d..O|
|000054d0| 4e 4c 4e 00 64 02 f1 00 | bc 00 18 00 c7 00 54 00 |NLN.d...|......T.|
|000054e0| 2a 0a 0c 20 20 45 4c 53 | 45 20 42 45 47 49 4e 00 |*.. ELS|E BEGIN.|
|000054f0| a1 00 64 00 10 4f 4e 4c | 4e 00 64 02 fe 00 c6 00 |..d..ONL|N.d.....|
|00005500| 18 00 d1 01 80 00 2a 0a | 48 20 20 20 20 7b 20 73 |......*.|H { s|
|00005510| 69 6e 63 65 20 74 68 65 | 20 62 69 74 73 20 61 72 |ince the| bits ar|
|00005520| 65 20 6a 75 73 74 20 6d | 65 6d 6f 72 79 2c 20 6c |e just m|emory, l|
|00005530| 65 74 27 73 20 65 72 61 | 73 65 20 74 68 65 6d 20 |et's era|se them |
|00005540| 62 65 66 6f 72 65 20 77 | 65 20 73 74 61 72 74 20 |before w|e start |
|00005550| 7d 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 03 47 00 |}...d..O|NLN.d.G.|
|00005560| d0 00 18 00 db 01 71 00 | 2a 0a 45 20 20 20 20 45 |......q.|*.E E|
|00005570| 72 61 73 65 52 65 63 74 | 28 69 6e 42 6f 75 6e 64 |raseRect|(inBound|
|00005580| 73 29 3b 20 20 20 20 20 | 20 20 20 20 20 20 20 7b |s); | {|
|00005590| 4f 70 65 6e 50 6f 72 74 | 20 64 69 64 20 61 20 53 |OpenPort| did a S|
|000055a0| 65 74 50 6f 72 74 28 6e | 65 77 50 6f 72 74 29 7d |etPort(n|ewPort)}|
|000055b0| 00 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 03 8d 00 |....d..O|NLN.d...|
|000055c0| da 00 18 00 e5 00 a4 00 | 2a 0a 1c 20 20 20 20 6e |........|*.. n|
|000055d0| 65 77 4f 66 66 73 63 72 | 65 65 6e 20 3a 3d 20 6e |ewOffscr|een := n|
|000055e0| 65 77 50 6f 72 74 3b 00 | a1 00 64 00 10 4f 4e 4c |ewPort;.|..d..ONL|
|000055f0| 4e 00 64 03 aa 00 e4 00 | 18 00 ef 00 86 00 2a 0a |N.d.....|......*.|
|00005600| 16 20 20 20 20 53 65 74 | 50 6f 72 74 28 73 61 76 |. Set|Port(sav|
|00005610| 65 50 6f 72 74 29 3b 00 | a1 00 64 00 10 4f 4e 4c |ePort);.|..d..ONL|
|00005620| 4e 00 64 03 c1 00 ee 00 | 18 00 f9 00 c2 00 2a 0a |N.d.....|......*.|
|00005630| 22 20 20 20 20 43 72 65 | 61 74 65 4f 66 66 73 63 |" Cre|ateOffsc|
|00005640| 72 65 65 6e 42 69 74 4d | 61 70 20 3a 3d 20 74 72 |reenBitM|ap := tr|
|00005650| 75 65 3b 00 a1 00 64 00 | 10 4f 4e 4c 4e 00 64 03 |ue;...d.|.ONLN.d.|
|00005660| e4 00 f8 00 18 01 03 00 | 36 00 2a 0a 06 20 20 45 |........|6.*.. E|
|00005670| 4e 44 3b 00 a1 00 64 00 | 10 4f 4e 4c 4e 00 64 03 |ND;...d.|.ONLN.d.|
|00005680| eb 01 02 00 18 01 0d 00 | 2c 00 2a 0a 04 45 4e 44 |........|,.*..END|
|00005690| 3b 00 03 00 14 00 0d 00 | 0c 00 a1 00 64 00 10 4f |;.......|....d..O|
|000056a0| 4e 4c 4e 00 64 03 f0 01 | 18 00 18 01 24 01 b7 00 |NLN.d...|....$...|
|000056b0| 2a 17 5a 48 65 72 65 20 | 69 73 20 74 68 65 20 70 |*.ZHere |is the p|
|000056c0| 72 6f 63 65 64 75 72 65 | 20 74 6f 20 67 65 74 20 |rocedure| to get |
|000056d0| 72 69 64 20 6f 66 20 61 | 6e 20 6f 66 66 2d 73 63 |rid of a|n off-sc|
|000056e0| 72 65 65 6e 20 62 69 74 | 6d 61 70 20 63 72 65 61 |reen bit|map crea|
|000056f0| 74 65 64 20 62 79 20 74 | 68 65 20 70 72 65 76 69 |ted by t|he previ|
|00005700| 6f 75 73 20 66 75 6e 63 | 74 69 6f 6e 3a 00 03 00 |ous func|tion:...|
|00005710| 16 00 0d 00 09 00 a1 00 | 64 00 10 4f 4e 4c 4e 00 |........|d..ONLN.|
|00005720| 64 04 4b 01 30 00 18 01 | 3b 01 35 00 2a 17 39 50 |d.K.0...|;.5.*.9P|
|00005730| 52 4f 43 45 44 55 52 45 | 20 44 65 73 74 72 6f 79 |ROCEDURE| Destroy|
|00005740| 4f 66 66 73 63 72 65 65 | 6e 42 69 74 4d 61 70 28 |Offscree|nBitMap(|
|00005750| 6f 6c 64 4f 66 66 73 63 | 72 65 65 6e 20 3a 20 47 |oldOffsc|reen : G|
|00005760| 72 61 66 50 74 72 29 3b | 00 00 a1 00 64 00 10 4f |rafPtr);|....d..O|
|00005770| 4e 4c 4e 00 64 04 85 01 | 3a 00 18 01 45 00 31 00 |NLN.d...|:...E.1.|
|00005780| 2a 0a 05 42 45 47 49 4e | 00 00 a1 00 64 00 10 4f |*..BEGIN|....d..O|
|00005790| 4e 4c 4e 00 64 04 8b 01 | 44 00 18 01 4f 01 a8 00 |NLN.d...|D...O...|
|000057a0| 2a 0a 50 20 20 43 6c 6f | 73 65 50 6f 72 74 28 6f |*.P Clo|sePort(o|
|000057b0| 6c 64 4f 66 66 73 63 72 | 65 65 6e 29 3b 20 20 20 |ldOffscr|een); |
|000057c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000057d0| 20 20 20 20 7b 20 64 75 | 6d 70 20 74 68 65 20 76 | { du|mp the v|
|000057e0| 69 73 52 67 6e 20 61 6e | 64 20 63 6c 69 70 52 67 |isRgn an|d clipRg|
|000057f0| 6e 20 7d 00 a1 00 64 00 | 10 4f 4e 4c 4e 00 64 04 |n }...d.|.ONLN.d.|
|00005800| dc 01 4e 00 18 01 59 01 | 62 00 2a 0a 42 20 20 44 |..N...Y.|b.*.B D|
|00005810| 69 73 70 6f 73 50 74 72 | 28 6f 6c 64 4f 66 66 73 |isposPtr|(oldOffs|
|00005820| 63 72 65 65 6e 5e 2e 70 | 6f 72 74 42 69 74 73 2e |creen^.p|ortBits.|
|00005830| 62 61 73 65 41 64 64 72 | 29 3b 20 20 20 20 7b 20 |baseAddr|); { |
|00005840| 64 75 6d 70 20 74 68 65 | 20 62 69 74 73 20 7d 00 |dump the| bits }.|
|00005850| a1 00 64 00 10 4f 4e 4c | 4e 00 64 05 1f 01 58 00 |..d..ONL|N.d...X.|
|00005860| 18 01 63 01 62 00 2a 0a | 42 20 20 44 69 73 70 6f |..c.b.*.|B Dispo|
|00005870| 73 50 74 72 28 50 74 72 | 28 6f 6c 64 4f 66 66 73 |sPtr(Ptr|(oldOffs|
|00005880| 63 72 65 65 6e 29 29 3b | 20 20 20 20 20 20 20 20 |creen));| |
|00005890| 20 20 20 20 20 20 20 20 | 20 20 7b 20 64 75 6d 70 | | { dump|
|000058a0| 20 74 68 65 20 70 6f 72 | 74 20 7d 00 a1 00 64 00 | the por|t }...d.|
|000058b0| 10 4f 4e 4c 4e 00 64 05 | 62 01 62 00 18 01 6d 00 |.ONLN.d.|b.b...m.|
|000058c0| 2c 00 2a 0a 04 45 4e 44 | 3b 00 03 00 14 00 0d 00 |,.*..END|;.......|
|000058d0| 0c 00 06 00 02 00 00 00 | a1 00 64 00 10 4f 4e 4c |........|..d..ONL|
|000058e0| 4e 00 64 05 67 01 78 00 | 18 01 84 01 05 00 2a 17 |N.d.g.x.|......*.|
|000058f0| 2c 4e 6f 77 20 74 68 61 | 74 20 79 6f 75 20 6b 6e |,Now tha|t you kn|
|00005900| 6f 77 20 68 6f 77 20 74 | 6f 20 63 72 65 61 74 65 |ow how t|o create|
|00005910| 20 61 6e 64 20 64 65 73 | 74 72 6f 79 20 00 06 00 | and des|troy ...|
|00005920| 03 00 00 00 a1 00 64 00 | 10 4f 4e 4c 4e 00 64 05 |......d.|.ONLN.d.|
|00005930| 93 01 78 01 05 01 84 01 | da 00 29 ed 2a 61 6e 20 |..x.....|..).*an |
|00005940| 6f 66 66 2d 73 63 72 65 | 65 6e 20 62 69 74 6d 61 |off-scre|en bitma|
|00005950| 70 2c 20 6c 65 74 d5 73 | 20 67 6f 20 74 68 72 6f |p, let.s| go thro|
|00005960| 75 67 68 20 74 68 65 00 | 06 00 00 00 00 00 a1 00 |ugh the.|........|
|00005970| 64 00 10 4f 4e 4c 4e 00 | 64 05 be 01 87 00 18 01 |d..ONLN.|d.......|
|00005980| 93 01 4d 00 28 01 af 00 | 36 44 6d 6f 74 69 6f 6e |..M.(...|6Dmotion|
|00005990| 73 20 6f 66 20 75 73 69 | 6e 67 20 6f 6e 65 2e 20 |s of usi|ng one. |
|000059a0| 20 46 69 72 73 74 2c 20 | 6c 65 74 d5 73 20 64 65 | First, |let.s de|
|000059b0| 66 69 6e 65 20 61 20 66 | 65 77 20 74 68 69 6e 67 |fine a f|ew thing|
|000059c0| 73 20 74 6f 20 6d 61 6b | 65 20 74 68 65 20 00 00 |s to mak|e the ..|
|000059d0| 03 00 16 00 a1 00 64 00 | 10 4f 4e 4c 4e 00 64 06 |......d.|.ONLN.d.|
|000059e0| 02 01 84 01 4d 01 94 01 | a6 00 28 01 af 01 6b 0a |....M...|..(...k.|
|000059f0| 5f 4e 65 77 57 69 6e 64 | 6f 77 00 00 03 00 14 00 |_NewWind|ow......|
|00005a00| a1 00 64 00 10 4f 4e 4c | 4e 00 64 06 0c 01 87 01 |..d..ONL|N.d.....|
|00005a10| a6 01 93 01 a9 00 29 59 | 01 20 00 00 06 00 01 00 |......)Y|. ......|
|00005a20| 00 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 06 0d 01 |....d..O|NLN.d...|
|00005a30| 87 01 a9 01 93 01 da 00 | 29 03 0d 63 61 6c 6c 20 |........|)..call |
|00005a40| 61 20 6c 69 74 74 6c 65 | 00 00 06 00 00 00 00 00 |a little|........|
|00005a50| a1 00 64 00 10 4f 4e 4c | 4e 00 64 06 1b 01 93 00 |..d..ONL|N.d.....|
|00005a60| 18 01 9f 00 3a 00 28 01 | bb 00 36 08 63 6c 65 61 |....:.(.|..6.clea|
|00005a70| 72 65 72 2e 00 00 03 00 | 16 00 0d 00 09 00 a1 00 |rer.....|........|
|00005a80| 64 00 10 4f 4e 4c 4e 00 | 64 06 24 01 ab 00 18 01 |d..ONLN.|d.$.....|
|00005a90| b6 00 31 00 2a 17 05 43 | 4f 4e 53 54 00 00 a1 00 |..1.*..C|ONST....|
|00005aa0| 64 00 10 4f 4e 4c 4e 00 | 64 06 2a 01 b5 00 18 01 |d..ONLN.|d.*.....|
|00005ab0| c0 00 86 00 2a 0a 16 20 | 20 6b 49 73 56 69 73 69 |....*.. | kIsVisi|
|00005ac0| 62 6c 65 20 20 20 3d 20 | 74 72 75 65 3b 00 a1 00 |ble = |true;...|
|00005ad0| 64 00 10 4f 4e 4c 4e 00 | 64 06 41 01 bf 00 18 01 |d..ONLN.|d.A.....|
|00005ae0| ca 00 8b 00 2a 0a 17 20 | 20 6b 4e 6f 47 6f 41 77 |....*.. | kNoGoAw|
|00005af0| 61 79 20 20 20 20 3d 20 | 66 61 6c 73 65 3b 00 00 |ay = |false;..|
|00005b00| a1 00 64 00 10 4f 4e 4c | 4e 00 64 06 59 01 c9 00 |..d..ONL|N.d.Y...|
|00005b10| 18 01 d4 00 90 00 2a 0a | 18 20 20 6b 4d 61 6b 65 |......*.|. kMake|
|00005b20| 46 72 6f 6e 74 57 69 6e | 64 6f 77 20 3d 20 2d 31 |FrontWin|dow = -1|
|00005b30| 3b 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 06 72 01 |;...d..O|NLN.d.r.|
|00005b40| d3 00 18 01 de 01 08 00 | 2a 0a 30 20 20 6d 79 53 |........|*.0 myS|
|00005b50| 74 72 69 6e 67 20 20 20 | 20 20 3d 20 27 54 68 65 |tring | = 'The|
|00005b60| 20 45 59 45 27 3b 20 20 | 7b 73 74 72 69 6e 67 20 | EYE'; |{string |
|00005b70| 74 6f 20 64 69 73 70 6c | 61 79 7d 00 03 00 14 00 |to displ|ay}.....|
|00005b80| 0d 00 0c 00 a1 00 64 00 | 10 4f 4e 4c 4e 00 64 06 |......d.|.ONLN.d.|
|00005b90| a3 01 e9 00 18 01 f5 00 | b2 00 2a 17 21 48 65 72 |........|..*.!Her|
|00005ba0| 65 d5 73 20 74 68 65 20 | 62 6f 64 79 20 6f 66 20 |e.s the |body of |
|00005bb0| 74 68 65 20 74 65 73 74 | 20 63 6f 64 65 3a 00 00 |the test| code:..|
|00005bc0| 03 00 16 00 0d 00 09 00 | a1 00 64 00 10 4f 4e 4c |........|..d..ONL|
|00005bd0| 4e 00 64 06 c5 02 01 00 | 18 02 0c 00 27 00 2a 17 |N.d.....|....'.*.|
|00005be0| 03 56 41 52 00 00 a1 00 | 64 00 10 4f 4e 4c 4e 00 |.VAR....|d..ONLN.|
|00005bf0| 64 06 c9 02 0b 00 18 02 | 16 01 0d 00 2a 0a 31 20 |d.......|....*.1 |
|00005c00| 20 6f 66 66 73 63 72 65 | 65 6e 20 3a 20 47 72 61 | offscre|en : Gra|
|00005c10| 66 50 74 72 3b 20 20 20 | 20 7b 6f 75 72 20 6f 66 |fPtr; | {our of|
|00005c20| 66 2d 73 63 72 65 65 6e | 20 62 69 74 6d 61 70 7d |f-screen| bitmap}|
|00005c30| 00 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 06 fb 02 |....d..O|NLN.d...|
|00005c40| 15 00 18 02 20 01 1c 00 | 2a 0a 34 20 20 6f 76 61 |.... ...|*.4 ova|
|00005c50| 6c 52 65 63 74 20 20 3a | 20 52 65 63 74 3b 20 20 |lRect :| Rect; |
|00005c60| 20 20 20 20 20 7b 75 73 | 65 64 20 66 6f 72 20 65 | {us|ed for e|
|00005c70| 78 61 6d 70 6c 65 20 64 | 72 61 77 69 6e 67 7d 00 |xample d|rawing}.|
|00005c80| a1 00 64 00 10 4f 4e 4c | 4e 00 64 07 30 02 1f 00 |..d..ONL|N.d.0...|
|00005c90| 18 02 2a 01 03 00 2a 0a | 2f 20 20 6d 79 57 42 6f |..*...*.|/ myWBo|
|00005ca0| 75 6e 64 73 20 3a 20 52 | 65 63 74 3b 20 20 20 20 |unds : R|ect; |
|00005cb0| 20 20 20 7b 66 6f 72 20 | 63 72 65 61 74 69 6e 67 | {for |creating|
|00005cc0| 20 77 69 6e 64 6f 77 7d | 00 00 a1 00 64 00 10 4f | window}|....d..O|
|00005cd0| 4e 4c 4e 00 64 07 60 02 | 29 00 18 02 34 01 71 00 |NLN.d.`.|)...4.q.|
|00005ce0| 2a 0a 45 20 20 4f 53 52 | 65 63 74 20 20 20 20 3a |*.E OSR|ect :|
|00005cf0| 20 52 65 63 74 3b 20 20 | 20 20 20 20 20 7b 70 6f | Rect; | {po|
|00005d00| 72 74 52 65 63 74 20 61 | 6e 64 20 62 6f 75 6e 64 |rtRect a|nd bound|
|00005d10| 73 20 66 6f 72 20 6f 66 | 66 2d 73 63 72 65 65 6e |s for of|f-screen|
|00005d20| 20 62 69 74 6d 61 70 7d | 00 00 a1 00 64 00 10 4f | bitmap}|....d..O|
|00005d30| 4e 4c 4e 00 64 07 a6 02 | 33 00 18 02 3e 00 90 00 |NLN.d...|3...>...|
|00005d40| 2a 0a 18 20 20 6d 79 57 | 69 6e 64 6f 77 20 20 3a |*.. myW|indow :|
|00005d50| 20 57 69 6e 64 6f 77 50 | 74 72 3b 00 a1 00 64 00 | WindowP|tr;...d.|
|00005d60| 10 4f 4e 4c 4e 00 64 07 | bf 02 47 00 18 02 52 00 |.ONLN.d.|..G...R.|
|00005d70| 31 00 2a 14 05 42 45 47 | 49 4e 00 00 a1 00 64 00 |1.*..BEG|IN....d.|
|00005d80| 10 4f 4e 4c 4e 00 64 07 | c5 02 51 00 18 02 5c 01 |.ONLN.d.|..Q...\.|
|00005d90| 62 00 2a 0a 42 20 20 49 | 6e 69 74 54 6f 6f 6c 62 |b.*.B I|nitToolb|
|00005da0| 6f 78 3b 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |ox; | |
|00005db0| 20 20 20 20 20 20 20 20 | 20 20 7b 65 78 65 72 63 | | {exerc|
|00005dc0| 69 73 65 20 6c 65 66 74 | 20 74 6f 20 74 68 65 20 |ise left| to the |
|00005dd0| 72 65 61 64 65 72 7d 00 | a1 00 64 00 10 4f 4e 4c |reader}.|..d..ONL|
|00005de0| 4e 00 64 08 08 02 65 00 | 18 02 70 01 44 00 2a 14 |N.d...e.|..p.D.*.|
|00005df0| 3c 20 20 6d 79 57 42 6f | 75 6e 64 73 20 3a 3d 20 |< myWBo|unds := |
|00005e00| 73 63 72 65 65 6e 42 69 | 74 73 2e 62 6f 75 6e 64 |screenBi|ts.bound|
|00005e10| 73 3b 20 20 20 20 7b 20 | 73 69 7a 65 20 6f 66 20 |s; { |size of |
|00005e20| 6d 61 69 6e 20 73 63 72 | 65 65 6e 20 7d 00 a1 00 |main scr|een }...|
|00005e30| 64 00 10 4f 4e 4c 4e 00 | 64 08 45 02 6f 00 18 02 |d..ONLN.|d.E.o...|
|00005e40| 7a 01 3f 00 2a 0a 3b 20 | 20 49 6e 73 65 74 52 65 |z.?.*.; | InsetRe|
|00005e50| 63 74 28 6d 79 57 42 6f | 75 6e 64 73 2c 20 35 30 |ct(myWBo|unds, 50|
|00005e60| 2c 35 30 29 3b 20 20 20 | 20 20 20 20 7b 20 6d 61 |,50); | { ma|
|00005e70| 6b 65 20 69 74 20 66 69 | 74 20 62 65 74 74 65 72 |ke it fi|t better|
|00005e80| 20 7d 00 00 a1 00 64 00 | 10 4f 4e 4c 4e 00 64 08 | }....d.|.ONLN.d.|
|00005e90| 81 02 79 00 18 02 84 01 | 62 00 2a 0a 42 20 20 6d |..y.....|b.*.B m|
|00005ea0| 79 57 69 6e 64 6f 77 20 | 3a 3d 20 4e 65 77 57 69 |yWindow |:= NewWi|
|00005eb0| 6e 64 6f 77 28 4e 49 4c | 2c 20 6d 79 57 42 6f 75 |ndow(NIL|, myWBou|
|00005ec0| 6e 64 73 2c 20 27 54 65 | 73 74 20 57 69 6e 64 6f |nds, 'Te|st Windo|
|00005ed0| 77 27 2c 20 6b 49 73 56 | 69 73 69 62 6c 65 2c 00 |w', kIsV|isible,.|
|00005ee0| a1 00 64 00 10 4f 4e 4c | 4e 00 64 08 c4 02 83 00 |..d..ONL|N.d.....|
|00005ef0| 18 02 8e 01 b2 00 2a 0a | 52 20 20 20 20 20 20 20 |......*.|R |
|00005f00| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00005f10| 20 6e 6f 47 72 6f 77 44 | 6f 63 50 72 6f 63 2c 20 | noGrowD|ocProc, |
|00005f20| 57 69 6e 64 6f 77 50 74 | 72 28 6b 4d 61 6b 65 46 |WindowPt|r(kMakeF|
|00005f30| 72 6f 6e 74 57 69 6e 64 | 6f 77 29 2c 20 6b 4e 6f |rontWind|ow), kNo|
|00005f40| 47 6f 41 77 61 79 2c 20 | 30 29 3b 00 20 02 de 00 |GoAway, |0);. ...|
|00005f50| 34 02 de 01 f9 00 03 00 | 14 00 0d 00 0a 00 2a 47 |4.......|......*G|
|00005f60| 01 32 00 00 29 05 05 20 | 6f 66 20 36 00 00 28 02 |.2..).. |of 6..(.|
|00005f70| f1 01 6a 21 44 72 61 77 | 69 6e 67 20 49 6e 74 6f |..j!Draw|ing Into|
|00005f80| 20 61 6e 20 4f 66 66 2d | 53 63 72 65 65 6e 20 42 | an Off-|Screen B|
|00005f90| 69 74 6d 61 70 00 ff 10 | 40 00 00 00 00 02 d7 02 |itmap...|@.......|
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+--------+-------------------------+-------------------------+--------+--------+
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