diff options
Diffstat (limited to 'Contrib/IFFLib.mod')
| -rw-r--r-- | Contrib/IFFLib.mod | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/Contrib/IFFLib.mod b/Contrib/IFFLib.mod new file mode 100644 index 0000000..eb10d88 --- /dev/null +++ b/Contrib/IFFLib.mod @@ -0,0 +1,230 @@ +(*--------------------------------------------------------------------------- + :Program. IFFLib + :Author. Volker Rudolph/Thomas Wagner & Frédéric Pröls + :Version. 1.2 + :Copyright. PD + :Language. Oberon + :Translator. Amiga-Oberon V2.14 + :Imports. iff.library - Christian A. Weber + :Contents. Oberon library-module for iff.library + :Remark. Needs iff.library (Version 22 or higher) in libs: directory + :Remark. This ist the Oberon-version of the + :Remark. IFFLib-Module for M2Amiga by Fridtjof Siebert + :History. V1.0 by Volker Rudolph + :History. V1.1 by Thomas Wagner & Frédéric Pröls + :History. Update to iff.library version 22 (29-Jul-92) + :History. V1.2 by F. Siebert small chgs. for Amiga Oberon 3.0 + :History. V1.3 by André Voget, changed all RECORDs to STRUCTs + :bugs. not tested +---------------------------------------------------------------------------*) + +MODULE IFFLib; + +IMPORT e := Exec, + Graphics, + i := Intuition, + sys:=SYSTEM; + +CONST + iffName * = "iff.library"; + iffVersion * = 22; (* Current library version *) + + +(************** E R R O R - C O D E S ***********************************) + +errorbadTask * = -1; (* IffError() called by wrong task *) +erroropen * = 16; (* Can't open file *) +errorread * = 17; (* Error reading file *) +errornoMem * = 18; (* Not enough memory *) +errornotIff * = 19; (* File is not an IFF file *) +errorwrite * = 20; (* Error writing file *) +errornoILBM * = 24; (* IFF file is not of type ILBM *) +errornoBMHD * = 25; (* BMHD chunk not found *) +errornoBODY * = 26; (* BODY chunk not found *) +errorbadCompression * = 28; (* Unknown compression type *) +errornoANHD * = 29; (* ANHD chunk not found *) +errornoDLTA * = 30; (* DLTA chunk not found *) + +(************** Common IFF IDs ******************************************) + +(* + * Universal IFF identifiers. + *) + + idFORM * = sys.VAL(LONGINT,"FORM"); + idLIST * = sys.VAL(LONGINT,"LIST"); + idCAT * = sys.VAL(LONGINT,"CAT "); + idPROP * = sys.VAL(LONGINT,"PROP"); + idNULL * = sys.VAL(LONGINT," "); + +(* + * Specific IFF IDs +*) + + idANIM * = sys.VAL(LONGINT,"ANIM"); + idANHD * = sys.VAL(LONGINT,"ANHD"); + idANNO * = sys.VAL(LONGINT,"ANNO"); + idBMHD * = sys.VAL(LONGINT,"BMHD"); + idBODY * = sys.VAL(LONGINT,"BODY"); + idCAMG * = sys.VAL(LONGINT,"CAMG"); + idCLUT * = sys.VAL(LONGINT,"CLUT"); + idCMAP * = sys.VAL(LONGINT,"CMAP"); + idCRNG * = sys.VAL(LONGINT,"CRNG"); + idCTBL * = sys.VAL(LONGINT,"CTBL"); + idDLTA * = sys.VAL(LONGINT,"DLTA"); + idILBM * = sys.VAL(LONGINT,"ILBM"); + idSHAM * = sys.VAL(LONGINT,"SHAM"); + + id8SVX * = sys.VAL(LONGINT,"8SVX"); + idATAK * = sys.VAL(LONGINT,"ATAK"); + idNAME * = sys.VAL(LONGINT,"NAME"); + idRLSE * = sys.VAL(LONGINT,"RLSE"); + idVHDR * = sys.VAL(LONGINT,"VHDR"); + +(**************************************************************************** + * Modes for OpenIFF() + *) + + modeRead * = 0; + modeWrite * = 1; + + +(**************************************************************************** + * Modes for CompressBlock() and DecompressBlock() + *) + +comprNone * = 0000H; (* generic *) +comprByteRun1 * = 0001H; (* ILBM *) +comprFibDelta * = 0101H; (* 8SVX *) + + + +(************** S T R U C T U R E S *************************************) + +TYPE + HandlePtr * = UNTRACED POINTER TO Handle; + Handle * = STRUCT (* private ! *) + file : e.BPTR; (* DOS file handle *) + formSize : LONGINT; (* Größe des gesamten FORM *) + chunkSize : LONGINT; (* Größe des aktuellen Chunks *) + chunkFPos : LONGINT; (* Position im File wo dieser Chunk beginnt *) + END; + + ChunkPtr * = UNTRACED POINTER TO Chunk; + Chunk * = STRUCT + ckID * : LONGINT; + ckSize * : LONGINT; + ckData * : ARRAY 1048576 OF SHORTINT; (* ARRAY ckSize OF SHORTINT *) + END; + + BitMapHeaderPtr * = UNTRACED POINTER TO BitMapHeader; + BitMapHeader * = STRUCT + w* , h*, x*, y * : INTEGER; + nPlanes * : SHORTINT; + masking * : SHORTINT; + compression * : SHORTINT; + pad1 * : SHORTINT; + transparentColor * : INTEGER; + xAspect * : SHORTINT; + yAspect * : SHORTINT; + pageWidth * : INTEGER; + pageHeight * : INTEGER; + END; + + AnimHeaderPtr * = UNTRACED POINTER TO AnimHeader; + AnimHeader * = STRUCT + operation * : SHORTINT; + mask * : SHORTINT; + w*,h*,x*,y * : INTEGER; + absTime * : LONGINT; + relTime * : LONGINT; + interLeave * : SHORTINT; + pad0 * : SHORTINT; + bits * : LONGINT; + pad * : ARRAY 16 OF SHORTINT; + END; + +(*********************** L I B R A R Y - B A S E ************************) + +VAR + base * : e.LibraryPtr; + +(************** F U N C T I O N D E C L A R A T I O N S ***************) + +(* obsolete *) +PROCEDURE OldOpenIFF * {base,-30}(fileName{8}: ARRAY OF CHAR): HandlePtr; + +PROCEDURE CloseIFF * {base,-36}(iffFile{9}: HandlePtr); + +PROCEDURE FindChunk * {base,-42}(iffFile{9}: HandlePtr; + hunkName{0}: LONGINT): ChunkPtr; + +PROCEDURE GetBMHD * {base,-48}(iffFile{9}: HandlePtr): BitMapHeaderPtr; + +PROCEDURE GetColorMap * {base,-54}(iffFile{9}: HandlePtr; + colorTable{8}: ARRAY OF INTEGER): LONGINT; + +PROCEDURE DecodePic * {base,-60}(iffFile{9}: HandlePtr; + bitmap{8}: Graphics.BitMapPtr): BOOLEAN; + +PROCEDURE SaveBitMap * {base,-66}(fileName{8}: ARRAY OF CHAR; + bitMap{9}: Graphics.BitMapPtr; + colorTable{10}: ARRAY OF CHAR; + flags{0}: SET): BOOLEAN; + +PROCEDURE SaveClip * {base,-72}(fileName{8}: ARRAY OF CHAR; + bitmap{9}: Graphics.BitMapPtr; + coltab{10}: ARRAY OF CHAR; + flags{0}: SET; + xoff{1}, yoff{2}: INTEGER; + width{3}, height{4}: INTEGER): BOOLEAN; + +PROCEDURE IffError * {base,-78}(): LONGINT; + +PROCEDURE GetViewModes * {base,-84}(iffFile{9}: HandlePtr): LONGSET; + +(* private and obsolete *) +PROCEDURE OldNewOpenIFF * {base,-90}(name{8}: ARRAY OF CHAR; + memattr{0}: LONGSET): e.ADDRESS; + +PROCEDURE ModifyFrame * {base,-96}(modifyform{9}: e.APTR; + bitmap{8}: Graphics.BitMapPtr); + +PROCEDURE OpenIFF * {base, -120}(name{8}: ARRAY OF CHAR; + mode{0}: LONGINT): HandlePtr; + +PROCEDURE PushChunk * {base, -126}(iff{8}: HandlePtr; + type{0}: LONGINT; + id{1}: LONGINT); + +PROCEDURE PopChunk * {base, -132}(iff{8}: HandlePtr): BOOLEAN; + +PROCEDURE WriteChunkBytes * {base, -138}(iff{8}: HandlePtr; + buf{9}: ARRAY OF CHAR; + size{0}: LONGINT); + +PROCEDURE CompressBlock * {base, -144}(source{8}: ARRAY OF sys.BYTE; + VAR destination{9}: ARRAY OF sys.BYTE; + size{0}: LONGINT; + mode{1}: LONGSET); + +PROCEDURE DecompressBlock * {base, -150}(source{8}: ARRAY OF sys.BYTE; + VAR destination{9}: ARRAY OF sys.BYTE; + size{0}: LONGINT; + mode{1}: LONGSET); + + + +(* $OvflChk- $RangeChk- $StackChk- $NilChk- $ReturnChk- $CaseChk- *) +BEGIN + + base := e.OpenLibrary(iffName,iffVersion); + +CLOSE + + IF base # NIL THEN + e.CloseLibrary(base) + END; (* IF *) + +END IFFLib. + |