mirror of
https://git.sr.ht/~rabbits/macintosh_cookbook
synced 2024-12-27 10:29:25 +00:00
88 lines
2.2 KiB
ObjectPascal
88 lines
2.2 KiB
ObjectPascal
program ExampleDrawingExport;
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var
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oval, clipin, clipout: Rect;
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output: PicHandle;
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var
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PICTcount: LONGINT;
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globalRef: INTEGER;
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newPICThand: PicHandle;
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procedure PutPICTData (dataPtr: Ptr; byteCount: INTEGER);
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var
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longCount: LONGINT;
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err: INTEGER;
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begin
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longCount := byteCount;
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PICTCount := PICTCount + byteCount;
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err := FSWrite(globalRef, longCount, dataPtr);
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if newPICTHand <> nil then
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newPICTHand^^.picSize := PICTCount;
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end;
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procedure SpoolOutPICTFile (PICTHand: PicHandle );
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var
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err: OSErr;
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i: INTEGER;
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wher: Point; { where to display dialog }
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reply: SFReply;
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longCount, Zero: LONGINT;
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pframe: Rect;
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myProcs: QDProcs;
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begin
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wher.h := 20;
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wher.v := 20;
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SFPutFile(wher, 'Save the PICT as:', 'untitled', nil, reply);
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if reply.good then
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begin
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err := Create(reply.fname, reply.vrefnum, '????', 'PICT');
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if (err = noerr) | (err = dupfnerr) then
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begin
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err := FSOpen(reply.fname, reply.vrefnum, globalRef);
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SetStdProcs(myProcs); {use SetStdCProcs for a CGrafPort}
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thePort^.grafProcs := @myProcs;
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myProcs.putPicProc := @putPICTdata;
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Zero := 0;
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longCount := 2;
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PICTCount := SizeOf(Picture);
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{now write out the 512 byte header}
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for i := 1 to (512 + SizeOf(Picture)) div longCount do
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err := FSWrite(globalRef, longCount, @Zero);
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pFrame := PICThand^^.picFrame;
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newPICTHand := nil;
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newPICTHand := OpenPicture(pFrame);
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DrawPicture(PICTHand, pFrame);
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ClosePicture;
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err := SetFPos(globalRef, fsFromStart, 512);
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{skip the MacDraw header}
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longCount := SizeOf(Picture);
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{write out the correct (low word of the) size and the frame at the beginning}
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err := FSWrite(globalRef, longCount, Ptr(newPICTHand^));
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err := FSClose(globalRef);
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thePort^.grafProcs := nil;
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KillPicture(newPICTHand);
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end
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else
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err := err;
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end; {IF reply.good}
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end; {OutPICT}
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begin
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ShowDrawing;
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SetRect(clipin, 0, 0, 100, 100);
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SetRect(clipout, 0, 0, 100, 100);
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SetRect(oval, 20, 20, 180, 180);
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output := OpenPicture(clipin);
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PenPat(black);
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PaintOval(oval);
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ClosePicture;
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DrawPicture(output, clipout);
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SpoolOutPICTFile(output);
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end. |