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Text File | 1994-01-27 | 43.3 KB | 1,570 lines | [ TEXT/PJMM]
unit Initialization; interface uses QuickDraw, Palettes, PrintTraps, Slots, globals, Utilities, Graphics, Lut, Strings; procedure Init; procedure AllocateBuffers; procedure AllocateArrays; procedure SetupMenus; procedure GetSettings; procedure FindPlugIns; implementation procedure MakeCursors; var TempCurH: CursHandle; begin TempCurH := GetCursor(PickerCursorID); if TempCurH <> nil then begin PickerCursor := TempCurH^^; ToolCursor[PickerTool] := PickerCursor; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(CrossCursorPlusID); if TempCurH <> nil then begin CrossPlusCursor := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(CrossCursorMinusID); if TempCurH <> nil then begin CrossMinusCursor := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(WandPlusCursorID); if TempCurH <> nil then begin WandPlusCursor := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(WandMinusCursorID); if TempCurH <> nil then begin WandMinusCursor := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(CrossCursorID); if TempCurH <> nil then begin ToolCursor[SelectionTool] := TempCurH^^; ToolCursor[FreehandTool] := TempCurH^^; ToolCursor[PolygonTool] := TempCurH^^; ToolCursor[ruler] := TempCurH^^; ToolCursor[PlotTool] := TempCurH^^; ToolCursor[OvalSelectionTool] := TempCurH^^; ToolCursor[LineTool] := TempCurH^^; ToolCursor[AngleTool] := TempCurH^^; ToolCursor[CrossHairTool] := TempCurH^^; ToolCursor[LUTTool] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(LUTCursorID); if TempCurH <> nil then begin LUTCursor := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(gmCursorID); if TempCurH <> nil then begin gmCursor := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(GrabberCursorID); if TempCurH <> nil then begin ToolCursor[Grabber] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(PencilCursorID); if TempCurH <> nil then begin ToolCursor[Pencil] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(GlassCursorPlusID); if TempCurH <> nil then begin ToolCursor[MagnifyingGlass] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(GlassCursorMinusID); if TempCurH <> nil then begin GlassMinusCursor := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(BucketCursorID); if TempCurH <> nil then begin ToolCursor[PaintBucket] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(WandCursorID); if TempCurH <> nil then begin ToolCursor[Wand] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(TextCursorID); if TempCurH <> nil then begin ToolCursor[TextTool] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(EraserCursorID); if TempCurH <> nil then begin ToolCursor[eraser] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(SprayCursorID); if TempCurH <> nil then begin ToolCursor[SprayCanTool] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(BrushCursorID); if TempCurH <> nil then begin ToolCursor[brush] := TempCurH^^; ReleaseResource(handle(TempCurH)); end; TempCurH := GetCursor(WatchCursor); if TempCurH <> nil then begin watch := TempCurH^^; ReleaseResource(handle(TempCurH)); end; end; procedure MakeToolsBitMap; {Creates the offscreen bitmap used to draw the tool palette.} var tPort: GrafPtr; TempPort: GrafPort; PicH: PicHandle; FrameRect: rect; fwidth, fheight: integer; begin PicH := GetPicture(130); if PicH = nil then ExitToShell; FrameRect := PicH^^.PicFrame; with FrameRect do begin fwidth := right - left; fheight := bottom - top; end; GetPort(tPort); OpenPort(@TempPort); with ToolBits, FrameRect do begin baseAddr := NewPtr((fwidth * fheight) div 8); if baseAddr = nil then ExitToShell; rowBytes := fwidth div 8; SetRect(bounds, 0, 0, fwidth, fheight); end; SetPortBits(ToolBits); DrawPicture(PicH, ToolBits.bounds); DisposHandle(handle(PicH)); ClosePort(@TempPort); SetPort(tPort); end; procedure InitTools; var ToolTop, LinesTop, i: integer; Tool: ToolType; begin MakeToolsBitmap; FirstTool := MagnifyingGlass; LastTool := CrossHairTool; CurrentTool := SelectionTool; isSelectionTool := true; PreviousTool := CurrentTool; ToolTop := 0; for tool := FirstTool to LastTool do with ToolRect[tool] do begin top := ToolTop; bottom := top + tmiddle; if odd(ord(tool) + 1) then left := 0 else begin left := tmiddle; ToolTop := ToolTop + tmiddle; end; right := left + tmiddle; end; ToolTime := 0; LutTime := 0; StartOfLines := ToolRect[LastTool].bottom - 1; LinesTop := StartOfLines + 10; for i := 1 to nLineTypes do with lines[i] do begin left := LinesLeft; top := LinesTop; right := LinesRight; case i of 1, 2, 3, 4: bottom := top + i; 5: bottom := top + 6; 6: bottom := top + 8 end; LinesTop := bottom + 4; end; LineWidth := 1; LineIndex := 1; with CheckRect do begin left := 0; top := StartOfLines; right := LinesLeft; bottom := theight; end; end; procedure AllocateBuffers; var tPort: GrafPtr; err: OSErr; BufSizeStr: str255; atemp: integer; begin GetPort(tPort); NumToString(BufferSize div 1024, BufSizeStr); BigBufSize := BufferSize * 2; if FreeMem > (BigBufSize + 300000) then BigBuf := NewPtr(BigBufSize) else BigBuf := nil; if BigBuf = nil then BigBufSize := 0; if BigBuf <> nil then UndoBuf := BigBuf else begin if FreeMem > (BufferSize + 200000) then UndoBuf := NewPtr(BufferSize) else UndoBuf := nil; end; if UndoBuf <> nil then UndoBufSize := BufferSize else begin PutMessage(concat('There is not enough memory available to allocate the ', BufSizeStr, 'K Undo buffer. Many operations may fail or be Undoable.')); UndoBufSize := 0; end; if BigBuf <> nil then ClipBuf := ptr(ord4(BigBuf) + BufferSize) else begin if FreeMem > (BufferSize + 300000) then ClipBuf := NewPtr(BufferSize) else ClipBuf := nil; end; UndoInfoRec := NoInfo^; UndoInfo := @UndoInfoRec; if UndoBuf <> nil then with UndoInfo^ do begin roiRgn := NewRgn; PicBaseAddr := UndoBuf; osPort := CGrafPtr(NewPtr(SizeOf(CGrafPort))); OpenCPort(osPort); osPort^.portPixMap^^.BaseAddr := PicBaseAddr; SetPalette(WindowPtr(osPort), ExplicitPalette, false); end; if ClipBuf <> nil then begin ClipBufSize := BufferSize; ClipBufInfoRec := NoInfo^; ClipBufInfo := @ClipBufInfoRec; with ClipBufInfo^ do begin roiRgn := NewRgn; PicBaseAddr := ClipBuf; osPort := CGrafPtr(NewPtr(SizeOf(CGrafPort))); OpenCPort(osPort); osPort^.portPixMap^^.BaseAddr := PicBaseAddr; BytesPerRow := 0; SetPalette(WindowPtr(osPort), ExplicitPalette, false); end; end else begin PutMessage(concat('There is not enough memory available to allocate the ', BufSizeStr, 'K Clipboard Buffer. Many operations, including Copy and Paste, may fail.')); ClipBufSize := 0; end; SetPort(tPort); end; procedure AllocateArrays; var nItems: LongInt; i: integer; procedure Abort; begin PutMessage('Not enough memory available to allocate arrays.'); ExitToShell; end; begin PlotData := rLinePtr(NewPtr(SizeOf(rLineType))); if PlotData = nil then abort; BlankLine := LinePtr(NewPtr(MaxLine)); if BlankLine = nil then abort; for i := 0 to MaxLine - 1 do BlankLine^[i] := WhiteIndex; xCoordinates := xCoordinatesPtr(NewPtr(SizeOf(CoordinatesType))); if xCoordinates = nil then abort; yCoordinates := yCoordinatesPtr(NewPtr(SizeOf(CoordinatesType))); if yCoordinates = nil then abort; nItems := MaxMeasurements + 1; mean := meanPtr(NewPtr(nItems * SizeOf(real))); if mean = nil then abort; sd := sdPtr(NewPtr(nItems * SizeOf(real))); if sd = nil then abort; PixelCount := PixelCountPtr(NewPtr(nItems * SizeOf(LongInt))); if PixelCount = nil then abort; mArea := AreaPtr(NewPtr(nItems * SizeOf(real))); if mArea = nil then abort; mode := modePtr(NewPtr(nItems * SizeOf(real))); if mode = nil then abort; IntegratedDensity := IntegratedDensityPtr(NewPtr(nItems * SizeOf(real))); if IntegratedDensity = nil then abort; idBackground := idBackgroundPtr(NewPtr(nItems * SizeOf(real))); if idBackground = nil then abort; xcenter := xcenterPtr(NewPtr(nItems * SizeOf(real))); if xcenter = nil then abort; ycenter := ycenterPtr(NewPtr(nItems * SizeOf(real))); if ycenter = nil then abort; MajorAxis := MajorAxisPtr(NewPtr(nItems * SizeOf(real))); if MajorAxis = nil then abort; MinorAxis := MinorAxisPtr(NewPtr(nItems * SizeOf(real))); if MinorAxis = nil then abort; orientation := orientationPtr(NewPtr(nItems * SizeOf(real))); if orientation = nil then abort; mMin := MinPtr(NewPtr(nItems * SizeOf(real))); if mMin = nil then abort; mMax := MaxPtr(NewPtr(nItems * SizeOf(real))); if mMax = nil then abort; plength := plengthPtr(NewPtr(nItems * SizeOf(real))); if plength = nil then abort; User1 := User1Ptr(NewPtr(nItems * SizeOf(real))); if User1 = nil then abort; for i := 0 to MaxMeasurements do User1^[i] := 0.0; User2 := User2Ptr(NewPtr(nItems * SizeOf(real))); if User2 = nil then abort; for i := 0 to MaxMeasurements do User2^[i] := 0.0; ClearResults(0); if FreeMem < MinFree then Abort; end; function OpenWD (vRefNum: integer; dirID: LongInt; procID: LongInt; var wdRefNum: integer): OSErr; {Converts a volume reference number and directory ID into a working directory reference number. See TN 218.} var theWD: WDPBRec; err: OSErr; begin with theWD do begin ioCompletion := nil; ioNamePtr := nil; ioVRefNum := VRefNum; ioWDProcID := 0; ioWDDirID := DirID; err := PBOpenWD(@theWD, false); if err = NoErr then wdRefNum := ioVRefNum; OpenWD := err; end; {with} end; procedure GetKernelsWorkingDir (var settings: SettingsType); var wdRefNum: integer; err: OSErr; begin with settings do if sKernelsVRefNum <> 0 then begin err := OpenWD(sKernelsVRefNum, sKernelsDirID, 0, wdRefNum); if err = NoErr then KernelsRefNum := wdRefNum; {ShowMessage(concat('KernelsRefNum=', long2str(KernelsRefNum), cr, 'vRefNum=', long2str(sKernelsVRefNum), cr, 'DirID=', long2str(sKernelsDirID)));} end; end; procedure GetDefaultWorkingDir (var settings: SettingsType); var wdRefNum: integer; err: OSErr; begin with settings do if sDefaultVRefNum <> 0 then begin err := OpenWD(sDefaultVRefNum, sDefaultDirID, 0, wdRefNum); if err = NoErr then DefaultRefNum := wdRefNum; end; end; procedure GetSettings; var err: OSErr; f: integer; ByteCount: LongInt; ok: boolean; size: LongInt; settings: SettingsType; begin err := fsopen(PrefsName, SystemRefNum, f); if err <> NoErr then exit(GetSettings); err := GetEof(f, ByteCount); if ByteCount > SizeOf(settings) then ByteCount := SizeOf(settings); err := fsRead(f, ByteCount, @settings); if err <> NoErr then exit(GetSettings); err := fsClose(f); with settings, info^ do begin if sID <> 'IMAG' then begin PutMessage('The Image Prefs file in the System folder is corrupted. Please delete it and try again.'); exitToShell; end; if (ForegroundIndex <> sForegroundIndex) or (BackgroundIndex <> sBackgroundIndex) then begin SetForegroundColor(sForegroundIndex); SetBackgroundColor(sBackgroundIndex); end; BrushHeight := sBrushHeight; BrushWidth := sBrushWidth; SprayCanDiameter := sSprayCanDiameter; SprayCanRadius := SprayCanDiameter div 2; SprayCanRadius2 := SprayCanRadius * SprayCanRadius; CurrentFontID := sCurrentFontID; CurrentStyle := SCurrentStyle; CurrentSize := sCurrentSize; TextJust := sTextJust; TextBack := sTextBack; nExtraColors := sNExtraColors; ExtraColors := sExtraColors; InvertVideo := sInvertVideo; Measurements := sMeasurements; InvertPlots := sInvertPlots; AutoScalePlots := sAutoScalePlots; LinePlot := sLinePlot; DrawPlotLabels := sDrawPlotLabels; FixedSizePlot := sFixedSizePlot; ProfilePlotWidth := sProfilePlotWidth; ProfilePlotHeight := sProfilePlotHeight; FramesToAverage := sFramesToAverage; NewPicWidth := sNewPicWidth; NewPicHeight := sNewPicHeight; BufferSize := sBufferSize; MaxScionWidth := sMaxScionWidth; ThresholdToForeground := sThresholdToForeground; NonThresholdToBackground := sNonThresholdToBackground; VideoChannel := sVideoChannel; WhatToImport := sWhatToImport; ImportCustomWidth := sImportCustomWidth; ImportCustomHeight := sImportCustomHeight; ImportCustomOffset := sImportCustomOffset; {WandAutoMeasure := sWandAutoMeasure;} WandAdjustAreas := sWandAdjustAreas; BinaryIterations := sBinaryIterations; ScaleArithmetic := sScaleArithmetic; InvertPixelValues := sInvertPixelValues; InvertYCoordinates := sInvertYCoordinates; FieldWidth := sFieldWidth; precision := sPrecision; MinParticleSize := sMinParticleSize; MaxParticleSize := sMaxParticleSize; IgnoreParticlesTouchingEdge := sIgnoreParticlesTouchingEdge; LabelParticles := sLabelParticles; OutlineParticles := sOutlineParticles; {IncludeHoles := sIncludeHoles;} OscillatingMovies := sOscillatingMovies; DriverHalftoning := sDriverHalftoning; MaxMeasurements := sMaxMeasurements; ImportCustomDepth := sImportCustomDepth; ImportSwapBytes := sImportSwapBytes; ImportCalibrate := sImportCalibrate; ImportAutoscale := sImportAutoscale; ShowHeadings := sShowHeadings; if sVersion >= 140 then begin ProfilePlotMin := sProfilePlotMin; ProfilePlotMax := sProfilePlotMax; ImportMin := sImportMin; ImportMax := sImportMax; HighlightSaturatedPixels := sHighlightPixels; end; if sVersion >= 141 then begin BallRadius := sBallRadius; FasterBackgroundSubtraction := sFasterBackgroundSubtraction; ScaleConvolutions := sScaleConvolutions; end; if sVersion >= 142 then begin BinaryCount := sBinaryCount; BinaryThreshold := BinaryCount * 255; if (sLUTMode = Pseudocolor) and (sColorTable <> CustomTable) and (sColorTable <= Spectrum) then begin SwitchColorTables(GetColorTableItem(sColorTable), false); ColorStart := sColorStart; ColorEnd := sColorEnd; LutMode := Pseudocolor; if sInvertedTable then InvertPalette; UpdateLut; end; end; if sVersion >= 144 then begin HalftoneFrequency := sHalftoneFrequency; HalftoneAngle := sHalftoneAngle; HalftoneDotFunction := sHalftoneDotFunction; end; if sVersion >= 146 then begin LG3DacLow := sLG3DacLow; LG3DacHigh := sLG3DacHigh; end; if (sVersion >= 147) and (FrameGrabber = ScionLG3) then SyncMode := sSyncMode; if sVersion >= 149 then begin SwitchLUTOnSuspend := sSwitchLUTOnSuspend; VideoRateAveraging := sVideoRateAveraging; end; if sVersion >= 150 then begin ImportInvert := sImportInvert; end; if sVersion >= 152 then begin if sTextCreator[1] <> chr(0) then TextCreator := sTextCreator; end; GetKernelsWorkingDir(settings); GetDefaultWorkingDir(settings); UpdateFitEllipse; end; {with settings, info^} case info^.LUTMode of PseudoColor, ColorLut, CustomGrayscale: UpdateLUT; OldAppleDefault: ok := LoadCLUTResource(AppleDefaultCLUT); otherwise end; if nExtraColors > 0 then RedrawLUTWindow; if InvertPixelValues then InvertGrayLevels; end; procedure MakePatterns; {Creates the patterns used to create the "marching ants". Thanks to} { Seth Snyder on CompuServe for the example.} var i, j: Integer; begin j := 0; for i := 0 to 7 do begin pat[i][(j + 0) mod 8] := $1F; pat[i][(j + 1) mod 8] := $3E; pat[i][(j + 2) mod 8] := $7C; pat[i][(j + 3) mod 8] := $F8; pat[i][(j + 4) mod 8] := $F1; pat[i][(j + 5) mod 8] := $E3; pat[i][(j + 6) mod 8] := $C7; pat[i][(j + 7) mod 8] := $8F; j := j + 1; end; PatIndex := 0; end; procedure InitExtraColors; var i, j, ctop, cbottom, entry: integer; tRect: rect; begin with ExtraColors[1] do begin red := -1; green := 0; blue := 0; end; with ExtraColors[2] do begin red := 0; green := -1; blue := 0; end; with ExtraColors[3] do begin red := 0; green := 0; blue := -1; end; with ExtraColors[4] do begin red := -1; green := -1; blue := 0; end; with ExtraColors[5] do begin red := 0; green := -1; blue := -1; end; with ExtraColors[6] do begin red := -1; green := 0; blue := -1; end; ctop := 256; cbottom := ctop + ExtraColorsHeight; for i := 1 to MaxExtraPlus2 do begin SetRect(tRect, 0, ctop, cwidth, cbottom); ExtraColorsRect[i] := tRect; ctop := ctop + ExtraColorsHeight; cbottom := cbottom + ExtraColorsHeight; end; ExtraColorsEntry[1] := WhiteIndex; ExtraColorsEntry[2] := BlackIndex; entry := FirstExtraColorsEntry; j := 3; for i := 1 to MaxExtraColors do begin ExtraColorsEntry[j] := entry; j := j + 1; Entry := Entry + 1; end; end; function GetSlotBase (id: integer): LongInt; {Returns the slot base address of the NuBus card with the specified id. The address} {returned is in the form $Fss00000, which is valid in both 24 and 32-bit modes.} {Returns 0 if a card with the given id is not found.} type SPRAMRecord = packed record BoardId: integer; VenderUse: packed array[1..6] of SignedByte; end; var SlotBlock: SpBlock; sparm: SPRAMRecord; SparmAddr: LongInt; i: integer; err: OSErr; begin with SlotBlock do begin SparmAddr := LongInt(@sparm); spResult := SparmAddr; for i := 9 to 15 do begin spSlot := i; err := sReadPRAMRec(@SlotBlock); if sparm.BoardID = id then begin GetSlotBase := bor($F0000000, spSlot * $100000 + spSlot * $1000000); exit(GetSlotBase) end; end; GetSlotBase := 0; end; end; procedure SetupFGPort; {So we can use CopyBits, this routine sets up a color graf port that} {uses the memory on the frame grabber board as the PixMap.} const baseAddr32 = 4; var tPort: GrafPtr; trect: rect; begin GetPort(tPort); fgPort := CGrafPtr(NewPtr(SizeOf(CGrafPort))); OpenCPort(fgPort); SetRect(trect, 0, 0, fgWidth, fgHeight); with fgPort^ do begin with PortPixMap^^ do begin BaseAddr := ptr(fgSlotBase); bounds := trect; RowBytes := BitOr(fgRowBytes, $8000); pmVersion := baseAddr32; {Needed for 8*24 GC card. See TN 275.} end; PortRect := trect; RectRgn(visRgn, trect); end; SetPort(tPort); SetPalette(WindowPtr(fgPort), ExplicitPalette, false); end; function is50HzLG3: boolean; const BoardResourceID = 1; VendorInfoID = 36; PartNumberID = 4; PartNumber50Hz = 'LG-3 50Hz'; var SlotBlock: SpBlock; err: OSErr; PartNumberPtr: StringPtr; begin is50HzLG3 := false; SlotBlock.spSlot := byte(bsr(band(fgSlotBase, $0f000000), 24)); SlotBlock.spId := BoardResourceID; SlotBlock.spExtDev := 0; err := SRsrcInfo(@SlotBlock); if err <> 0 then exit(is50HzLG3); SlotBlock.spId := VendorInfoID; err := SFindStruct(@SlotBlock); if err <> 0 then exit(is50HzLG3); SlotBlock.spID := PartNumberID; err := SGetCString(@SlotBlock); if err <> 0 then exit(is50HzLG3); PartNumberPtr := C2PStr(SlotBlock.spResult); if PartNumberPtr^ = PartNumber50Hz then is50HzLG3 := true; end; procedure CheckLG3Buffer; type LongintPtr = ^Longint; const Pattern = $A596A596; var BufferPtr: LongintPtr; begin BufferPtr := LongintPtr(fgSlotBase); BufferReg^ := 0; BufferPtr^ := Pattern; if BufferPtr^ <> Pattern then begin MaxLG3Frames := 0; exit(CheckLG3Buffer); end; BufferReg^ := 2; if BufferPtr^ = Pattern then begin MaxLG3Frames := 2; exit(CheckLG3Buffer); end; BufferReg^ := 8; if BufferPtr^ = Pattern then begin MaxLG3Frames := 8; exit(CheckLG3Buffer); end; BufferReg^ := 32; if BufferPtr^ = Pattern then begin MaxLG3Frames := 32; exit(CheckLG3Buffer); end; MaxLG3Frames := 128; end; procedure LookForFrameGrabbers; const ControlRegOffset = $80000; ChannelRegOffset = $80004; LG3ControlRegOffset = $C0000; LG3ChannelRegOffset = $C0008; BufferRegOffset = $C0004; DacHighRegOffset = $C000C; DacLowRegOffset = $C0010; DacARegOffset = $C0014; DacBRegOffset = $C0018; DT2255id = $11A; Scion1000id = $14B; Scion1200id = $222; ScionLG3id = $48b; PalBufferSize = 393216; {768 x 512} var err: OSErr; tPort: GrafPtr; OptionKeyIsDown: boolean; begin OptionKeyIsDown := OptionKeyDown; FrameGrabber := NoFrameGrabber; fgPort := nil; fgSlotBase := GetSlotBase(Scion1000id); if (fgSlotBase <> 0) and not OptionKeyIsDown then begin FrameGrabber := Scion; exit(LookForFrameGrabbers); end; fgSlotBase := GetSlotBase(Scion1200id); if (fgSlotBase <> 0) and not OptionKeyIsDown then begin FrameGrabber := Scion; exit(LookForFrameGrabbers); end; fgSlotBase := GetSlotBase(ScionLG3id); if (fgSlotBase <> 0) and not OptionKeyIsDown then begin FrameGrabber := ScionLG3; ControlReg := ptr(fgSlotBase + LG3ControlRegOffset); ChannelReg := ptr(fgSlotBase + LG3ChannelRegOffset); BufferReg := ptr(fgSlotBase + BufferRegOffset); DacHighReg := ptr(fgSlotBase + DacHighRegOffset); DacLowReg := ptr(fgSlotBase + DacLowRegOffset); DacAReg := ptr(fgSlotBase + DacARegOffset); DacBReg := ptr(fgSlotBase + DacBRegOffset); fgWidth := 640; fgHeight := 480; if is50HzLG3 then begin fgWidth := 768; fgHeight := 512; if BufferSize < PalBufferSize then BufferSize := PalBufferSize; end; CheckLG3Buffer; SetupFGPort; ResetScionLG3; exit(LookForFrameGrabbers); end; fgSlotBase := GetSlotBase(DT2255id); if fgSlotBase <> 0 then begin FrameGrabber := QuickCapture; ControlReg := ptr(fgSlotBase + ControlRegOffset); ChannelReg := ptr(fgSlotBase + ControlRegOffset + 4); fgWidth := 640; fgHeight := 480; if band(ChannelReg^, 8) = 8 then begin {Check for 50Hz(PAL) card} fgWidth := 768; fgHeight := 512; if BufferSize < PalBufferSize then BufferSize := PalBufferSize; end; SetupFGPort; ResetQuickCapture; exit(LookForFrameGrabbers); end; end; procedure CheckBits; const QD32Trap = $AB03; UnimplementedTrap = $A89F; var MainDevice: GDHandle; ScreenPixMap: PixMapHandle; myEnvRec: SysEnvRec; err: OSErr; begin err := SysEnvirons(1, myEnvRec); if err <> envNotPresent then with MyEnvRec do begin if not HasColorQD then begin PutMessage('Sorry, Image requires a Macintosh with Color QuickDraw.'); ExitToShell; end; if not HasFPU and UsingFPU then begin PutMessage('Use the NonFPU version of Image on Macs without a floating-point coprocessor.'); ExitToShell; end; OldSystem := systemVersion < $0605; System7 := systemVersion >= $0700; SystemRefnum := sysVRefNum; end; Has32BitQuickDraw := nGetTrapAddress(QD32Trap, ToolTrap) <> nGetTrapAddress(UnimplementedTrap, ToolTrap); MainDevice := GetMainDevice; if MainDevice^^.gdPmap^^.PixelSize <> 8 then begin PutMessage('To run Image, the main monitor(the one with the menu bar) must be set to 256 colors or 256 gray levels.'); ExitToShell; end; ScreenPixMap := MainDevice^^.gdPMap; ScreenRowBytes := BitAnd(ScreenPixMap^^.rowBytes, $1fff); ScreenBase := ScreenPixMap^^.baseAddr; end; procedure SetupMenus; var i: integer; begin AppleMenuH := GetMenu(AppleMenu); InsertMenu(AppleMenuH, 0); FileMenuH := GetMenu(FileMenu); InsertMenu(FileMenuH, 0); EditMenuH := GetMenu(EditMenu); InsertMenu(EditMenuH, 0); OptionsMenuH := GetMenu(OptionsMenu); InsertMenu(OptionsMenuH, 0); EnhanceMenuH := GetMenu(EnhanceMenu); InsertMenu(EnhanceMenuH, 0); AnalyzemenuH := GetMenu(AnalyzeMenu); InsertMenu(AnalyzemenuH, 0); SpecialMenuH := GetMenu(SpecialMenu); InsertMenu(SpecialMenuH, 0); StacksMenuH := GetMenu(StacksMenu); InsertMenu(StacksMenuH, 0); WindowsMenuH := GetMenu(WindowsMenu); InsertMenu(WindowsMenuH, 0); FontMenuH := GetMenu(FontMenu); InsertMenu(FontMenuH, -1); SizeMenuH := GetMenu(SizeMenu); InsertMenu(SizeMenuH, -1); StyleMenuH := GetMenu(StyleMenu); InsertMenu(StyleMenuH, -1); BinaryMenuH := GetMenu(BinaryMenu); InsertMenu(BinaryMenuH, -1); ArithmeticMenuH := GetMenu(ArithmeticMenu); InsertMenu(ArithmeticMenuH, -1); BackgroundMenuH := GetMenu(BackgroundMenu); InsertMenu(BackgroundMenuH, -1); PropagateMenuH := GetMenu(PropagateMenu); InsertMenu(PropagateMenuH, -1); ColorTablesMenuH := GetMenu(ColorTablesMenu); InsertMenu(ColorTablesMenuH, -1); AcquireMenuH := GetMenu(AcquireMenu); InsertMenu(AcquireMenuH, -1); ExportMenuH := GetMenu(ExportMenu); InsertMenu(ExportMenuH, -1); FilterMenuH := GetMenu(FilterMenu); InsertMenu(FilterMenuH, -1); TransferModeMenuH := GetMenu(TransferModeMenu); InsertMenu(TransferModeMenuH, -1); LineToolMenuH := GetMenu(LineToolMenu); InsertMenu(LineToolMenuH, -1); ImageMathOpsMenuH := GetMenu(ImageMathOpsMenu); InsertMenu(ImageMathOpsMenuH, -1); ImageListMenuH := GetMenu(ImageListMenu); InsertMenu(ImageListMenuH, -1); UnitsMenuH := GetMenu(UnitsMenu); InsertMenu(UnitsMenuH, -1); DrawMenuBar; AddResMenu(AppleMenuH, 'DRVR'); AddResMenu(FontMenuH, 'FONT'); NumFontItems := CountMItems(FontMenuH); end; procedure FindMonitors; {Generate a list of monitors so we can update the color tables of multiple monitors.} {This wouldn't be necessary if we were using the Palette Manager.} var nextDevice: GDHandle; begin nMonitors := 0; nextDevice := GetDeviceList; while nextDevice <> nil do begin if TestDeviceAttribute(nextDevice, screenDevice) and TestDeviceAttribute(nextDevice, screenActive) then if nextDevice^^.gdPmap^^.PixelSize = 8 then begin nMonitors := nMonitors + 1; Monitors[nMonitors] := nextDevice; end; nextDevice := GetNextDevice(nextDevice); end; {while} end; procedure MakeGDevice; {Sets up an 8-bit graphics environment for the off screen CGrafports used for image windows.} var DeviceRect: Rect; SaveDevice: GDHandle; DeviceClut: CTabHandle; begin SaveDevice := GetGDevice; SetRect(DeviceRect, 0, 0, 64, 64); DeviceClut := CTabHandle(GetResource('clut', 200)); { The grayscale LUT } DetachResource(Handle(DeviceClut)); osGDevice := NewGDevice(0, -1); with osGDevice^^ do begin gdId := 0; gdType := clutType; gdResPref := 3; gdSearchProc := nil; gdCompProc := nil; gdFlags := $C401; { 1100 0100 0000 0001 } gdRect := DeviceRect; with gdPMap^^ do begin baseAddr := nil; bounds := DeviceRect; rowBytes := 64 + $8000; pixelSize := 8; cmpCount := 1; cmpSize := 8; DisposCTable(pmTable); { dispose of old color table } end; end; osGDevice^^.gdPMap^^.pmTable := DeviceClut; MakeITable(osGDevice^^.gdPMap^^.pmTable, osGDevice^^.gdITable, 3); SetGDevice(SaveDevice); end; function GetFolderDirID (parentFolderVRefNum: Integer; parentFolderDirID: LongInt; folderName: Str63; var folderDirID: LongInt): OSErr; {Given a folder's name, vRefNum, and parent dirID, find its dirID } var myCInfoPBRec: CInfoPBRec; retCode: OSErr; begin myCInfoPBRec.ioCompletion := nil; myCInfoPBRec.ioNamePtr := @folderName; myCinfoPBRec.ioVRefNum := parentFolderVRefNum; myCInfoPBRec.ioFDirIndex := 0; { use name, vRefNum, dirID } myCInfoPBRec.ioDrDirID := parentFolderDirID; { will be changed } retCode := PBGetCatInfoSync(@myCInfoPBRec); { IM IV-155 } if retCode = noErr then folderDirID := myCInfoPBRec.ioDrDirID; GetFolderDirID := retCode; end; procedure MyAppendMenu (menu: MenuHandle; item: integer; str: str255); begin AppendMenu(menu, ' '); SetItem(menu, item, str); end; procedure FindPlugIns; var err: OSErr; wdRefNum, index, SystemVRefNum: integer; name: Str255; ftype: OSType; PB: HParamBlockRec; ProcID, SystemDirID: LongInt; spec: FSSpec; pb2: WDPBRec; rCount, iFileRef: integer; begin if not System7 then exit(FindPlugIns); err := GetFolderDirID(LaunchVRefNum, LaunchDirID, 'Plug-Ins', PlugInsDirID); if err = NoErr then PlugInsVRefNum := LaunchVRefNum else if GetWDInfo(SystemRefNum, SystemVRefNum, SystemDirID, ProcID) = NoErr then if GetFolderDirID(SystemVRefNum, SystemDirID, 'Plug-Ins', PlugInsDirID) = NoErr then PlugInsVRefNum := SystemVRefNum else exit(FindPlugIns); err := OpenWD(PlugInsVRefNum, PlugInsDirID, 0, wdRefNum); if err <> NoErr then exit(FindPlugIns); index := 0; while true do begin index := index + 1; with PB do begin ioCompletion := nil; ioNamePtr := @name; ioVRefNUm := wdRefNum; ioVersNum := 0; ioFDirIndex := index; err := PBGetFInfo(@PB, false); if err = fnfErr then leave; end; spec.vrefnum := PluginsVRefNum; spec.parID := PlugInsDirID; spec.name := name; iFileRef := FSpOpenResFile(spec, fsCurPerm); if iFileRef <> -1 then begin UseResFile(iFileRef); rCount := Count1Resources('8BAM'); if rCount > 0 then begin nAcqPlugIns := nAcqPlugIns + 1; if nAcqPlugIns = 1 then SetItem(AcquireMenuH, 1, name) else MyAppendMenu(AcquireMenuH, nAcqPlugIns, name); end; rCount := Count1Resources('8BEM'); if rCount > 0 then begin nExportPlugIns := nExportPlugIns + 1; if nExportPlugIns = 1 then SetItem(ExportMenuH, 1, name) else MyAppendMenu(ExportMenuH, nExportPlugIns, name); end; rCount := Count1Resources('8BFM'); if rCount > 0 then begin nFilterPlugIns := nFilterPlugIns + 1; if nFilterPlugIns = 1 then SetItem(FilterMenuH, 1, name) else MyAppendMenu(FilterMenuH, nFilterPlugIns, name); end; CloseResFile(iFileRef); end; end; {while} err := CloseWD(wdRefNum); end; procedure Init; var i: integer; p: SyspPtr; mbhp: ^integer; str: str255; err: OSErr; begin SetApplLimit(ptr(LongInt(GetApplLimit) - StackSize)); MaxApplZone; InitGraf(@ThePort); InitFonts; InitWindows; InitCursor; {PLHeapInit(100000,5000,Nil,true,true)-Needed for MPW} TEInit; InitDialogs(@SysResume); CheckBits; FindMonitors; ScreenPort := GrafPtr(NewPtr(SizeOf(GrafPort))); OpenPort(ScreenPort); NoInfo := @NoInfoRec; Info := NoInfo; ValuesWindow := nil; with BlackRGB do begin red := 0; blue := 0; green := 0; end; with WhiteRGB do begin red := -1; blue := -1; green := -1; end; with NoInfo^ do begin nlines := 0; PixelsPerLine := 0; ImageSize := 0; PixMapSize := 0; PicBaseAddr := nil; PicBaseHandle := nil; osPort := nil; RoiShowing := false; RoiType := NoRoi; RoiRect := SrcRect; roiRgn := NewRgn; title := 'NoInfo'; Magnification := 1.0; PictureType := NullPicture; wptr := nil; Changes := false; BytesPerRow := 0; SetRect(SrcRect, 0, 0, 0, 0); PicRect := SrcRect; wrect := SrcRect; initwrect := wrect; savewrect := wrect; SaveSrcRect := SrcRect; SaveMagnification := magnification; savehloc := 0; savevloc := 0; ScaleToFitWindow := false; nColors := 256; ColorStart := 0; ColorEnd := 255; SaveColorStart := 0; SaveColorEnd := 255; FillColor1 := BlackRGB; FillColor2 := BlackRGB; SaveFill1 := BlackRGB; SaveFill2 := BlackRGB; LUTMode := GrayScale; ColorTable := CustomTable; InvertedColorTable := false; xUnit := 'pixel'; xSpatialScale := 0.0; ySpatialScale := 0.0; PixelAspectRatio := 1.0; SpatiallyCalibrated := false; UnitOfMeasure := ''; PicNum := 1; PidNum := 0; HeaderOffset := -1; ImageDataOffset := -1; ColorMapOffset := -1; for i := 0 to 255 do ctable[i].value := 0; Fit := Poly3; DensityCalibrated := false; ZeroClip := false; nCoefficients := 0; for i := 1 to 6 do Coefficient[i] := 0.0; BinaryPic := false; WindowState := NormalWindow; Revertable := false; LX1 := -1.0; LY1 := -1.0; LX2 := -1.0; LY2 := -1.0; LAngle := 0.0; IdentityFunction := false; StackInfo := nil; Thresholding := false; iVersion := 0; vref := 0; DataType := EightBits; AbsoluteMin := 0; AbsoluteMax := 0; CurrentMin := 0; CurrentMax := 0; LittleEndian := false; DataH := nil; end; ExplicitPalette := NewPalette(256, nil, pmExplicit, 0); CScreenPort := CGrafPtr(NewPtr(SizeOf(CGrafPort))); OpenCPort(CScreenPort); SetPalette(WindowPtr(CScreenPort), ExplicitPalette, false); finished := false; FlushEvents(EveryEvent, 0); for i := 1 to 10 do MoreMasters; mbhp := pointer(MBarHeight); MenuBarHeight := mbhp^; SetRect(trect, tleft, ttop, tleft + twidth, ttop + theight); ToolWindow := NewCWindow(nil, trect, 'Tools', true, NoGrowDocProc, nil, false, 0); SetPalette(ToolWindow, ExplicitPalette, false); WindowPeek(ToolWindow)^.WindowKind := ToolKind; BringToFront(ToolWindow); ScreenWidth := ScreenBits.Bounds.right; ScreenHeight := ScreenBits.Bounds.bottom; SliceStart := 100; SliceEnd := 150; with SliceColor do begin red := -1; green := 0; blue := 0; end; DensitySlicing := false; nExtraColors := 0; GrayMapReady := false; ResetGrayMap; {LUT must be setup before InitMenus} InitMenus; SetRect(gmrect, gmleft, gmtop, gmleft + gmwidth, gmtop + gmheight); SetRect(gmSlide1, gmrectleft, gmrectbottom + gmSlide1Offset, gmrectleft + gmSlideWidth, gmrectbottom + gmSlide1Offset + gmSlideHeight); gmSlide1i := gmSlide1; InsetRect(gmSlide1i, 1, 1); SetRect(gmSlide2, gmrectleft, gmrectbottom + gmSlide2Offset, gmrectleft + gmSlideWidth, gmrectbottom + gmSlide2Offset + gmSlideHeight); gmSlide2i := gmSlide2; InsetRect(gmSlide2i, 1, 1); SetRect(gmIcon1, gmIcon1left, gmrectbottom + gmIconOffset, gmIcon1left + gmIconWidth, gmrectbottom + gmIconOffset + gmIconHeight); SetRect(gmIcon2, gmIcon2left, gmrectbottom + gmIconOffset, gmIcon2left + gmIconWidth, gmrectbottom + gmIconOffset + gmIconHeight); MapWindow := NewWindow(nil, gmrect, 'Map', true, NoGrowDocProc, nil, false, 0); WindowPeek(MapWindow)^.WindowKind := MapKind; SetRect(MapRect, gmRectLeft, gmRectTop, gmRectRight, gmRectBottom); MapRect2 := MapRect; InsetRect(MapRect2, -2, -2); cheight := 256 + (2 + nExtraColors) * ExtraColorsHeight; SetRect(crect, cleft, ctop, cleft + cwidth, ctop + cheight); LUTWindow := NewCWindow(nil, crect, 'LUT', true, NoGrowDocProc, nil, false, 0); SetPalette(LUTWindow, ExplicitPalette, false); WindowPeek(LUTWindow)^.WindowKind := LUTKind; rleft := 2; if ScreenHeight > 480 then rtop := ScreenHeight - rheight - 5 else rtop := 358; SetRect(trect, rleft, rtop, rleft + rwidth, rtop + rheight); ValuesWindow := NewWindow(nil, trect, 'Values', true, NoGrowDocProc, nil, false, 0); BringToFront(ValuesWindow); WindowPeek(ValuesWindow)^.WindowKind := ValuesKind; BuggyWatch := GetCursor(WatchCursor); InitTools; MakeCursors; nPics := 0; nextPid := -1; HistoWindow := nil; PlotWindow := nil; IsInsertionPoint := false; MaskRgn := NewRgn; PlotPICT := nil; AutoscalePlots := true; InvertPlots := false; LinePlot := true; DrawPlotLabels := true; FixedSizePlot := false; ProfilePlotMin := 0; ProfilePlotMax := 255; ProfilePlotWidth := 300; ProfilePlotHeight := 150; SprayCanDiameter := 32; SprayCanRadius := 16; SprayCanRadius2 := 256; BrushWidth := 14; BrushHeight := 14; CurrentUndoSize := 0; p := GetSyspPtr; BlinkTime := BitAnd($000F, p^.volclik) * 4; MakePatterns; info^.LUTMode := GrayScale; PicLeftBase := twidth + cwidth + 10; PicTopBase := MenuBarHeight + 20; PicLeft := PicLeftBase; PicTop := PicTopBase; CurrentFontID := Helvetica; CurrentStyle := []; {plain} CurrentSize := 12; TextJust := teJustLeft; TextBack := NoBack; MouseState := NotInRoi; WhatsOnClip := NothingOnClip; InitExtraColors; OldScrapCount := GetScrapCount; ClipboardConverted := false; BufferSize := DefaultBufferSize; LookForFrameGrabbers; VideoChannel := 0; Digitizing := false; debugging := false; BlankFieldInfo := nil; InvertVideo := false; HighlightSaturatedPixels := false; PlotCount := 0; PlotAvg := 1; ActualPlotMin := 0.0; ActualPlotMax := 0.0; ClipTextInBuffer := false; TextBufP := TextBufPtr(NewPtr(SizeOf(TextBufType))); if TextBufP = nil then ExitToShell; MacrosP := MacrosPtr(NewPtr(SizeOf(MacrosRec))); if MacrosP = nil then ExitToShell; mCount := 0; mCount2 := 0; nPoints := 0; nLengths := 0; nAngles := 0; for i := 1 to MaxStandards do StandardValues[i] := BadReal; nStandards := 0; for i := 0 to 255 do cvalue[i] := i; WhatToUndo := NothingToUndo; WhatToCopy := NothingToCopy; PrintRecord := nil; printing := false; HalftoneFrequency := 53; HalftoneAngle := 45; HalftoneDotFunction := true; cr := chr(13); tab := chr(9); BackSpace := chr(8); eof := chr(4); measuring := false; measurements := [AreaM, MeanM]; UpdateFitEllipse; nListColumns := 0; FramesToAverage := 16; NewPicWidth := 552; NewPicHeight := 436; RestoreUndoBuf := true; MaxScionWidth := 600; ThresholdToForeground := true; NonThresholdToBackground := true; SelectionMode := NewSelection; RoiMovementState := Unconstrained; PasteControl := nil; PasteTransferMode := SrcCopy; WhatToImport := ImportTIFF; ImportCustomWidth := 512; ImportCustomHeight := 512; ImportCustomSlices := 1; ImportCustomOffset := 0; ImportCustomDepth := EightBits; ImportSwapBytes := false; ImportCalibrate := true; ImportAll := false; ImportInvert := false; RoiNudged := false; ForegroundIndex := BlackIndex; BackgroundIndex := WhiteIndex; OpPending := false; RedoSelection := false; WandAutoMeasure := false; WandAdjustAreas := false; OptionKeyWasDown := false; BinaryIterations := 1; ScaleArithmetic := true; ValuesMessage := ''; SaveAsWhat := asTIFF; ExportAsWhat := asRaw; AnalyzingParticles := false; RedirectSampling := false; MinParticleSize := 1; MaxParticleSize := 999999; LabelParticles := true; OutlineParticles := false; IgnoreParticlesTouchingEdge := false; IncludeHoles := false; SaveAllState := NoSaveAll; InvertYCoordinates := true; ContinuousHistogram := false; DrawLabels(' ', '', ''); HistogramSliceStart := 0; HistogramSliceEnd := 255; RoiUpdateTime := 0; FieldWidth := 9; precision := 2; MeasurementToRedo := 0; nMacros := 0; macro := false; KernelsRefNum := 0; DefaultRefNum := 0; MacrosRefNum := 0; LaunchVRefNum := 0; LaunchDirID := 0; PlugInsVRefNum := 0; PlugInsDirID := 0; DefaultFileName := ''; rsHScale := 1.0; rsVScale := 1.0; rsAngle := 0.0; rsMethod := NearestNeighbor; rsCreateNewWindow := true; rsInteractive := false; ImportAutoScale := true; ImportMin := 0.0; ImportMax := 255.0; InvertPixelValues := false; OscillatingMovies := false; DriverHalftoning := true; LivePasteMode := false; ShowCount := true; PasteControlLeft := ScreenWidth - pcwidth - 10; PasteControlTop := trunc(ScreenHeight * 0.2); MaxMeasurements := 256; ResultsLeft := PicLeftBase; ResultsTop := 56; UnsavedResults := false; MajorLabel := 'Major'; MinorLabel := 'Minor'; User1Label := 'User 1'; User2Label := 'User 2'; ShowHeadings := false; MakingLOI := false; LOIType := Straight; MakingStack := false; FramesWanted := 20; ScaleConvolutions := true; FasterBackgroundSubtraction := true; BallRadius := 50; DelayTicks := 0; CmdPeriodToStop := 'Type cmd-''.'' to stop.'; CommandKey := chr(17); BinaryCount := 4; BinaryThreshold := BinaryCount * 255; ClipboardColor := BlackRGB; InitAngle := 0; {default is one full revolution of volume} TotalAngle := 360; AngleInc := 10; {in ten-degree increments} TransparencyUpper := 254; {default has only value 255 transparent} TransparencyLower := 0; DepthCueSurf := 0; {default has full depth-cueing for surface} DepthCueInt := 50; {components and 50% depth-cueing elsewhere} SaveProjections := FALSE; {by default, do not save and close projections} AxisOfRotation := xAxis; MinProjSize := TRUE; {by default, make all windows just big enough} ProjectionMethod := NearestPoint; MeterWindow := nil; nCoordinates := 0; CoordinatesWidth := 0; CoordinatesHeight := 0; CoordinatesRoiType := NoRoi; SwitchLUTOnSuspend := false; SumFrames := false; ShowIntegratedValues := false; FixIntegrationScale := false; IntegrationMin := 0; IntegrationMax := 4096; ExternalTrigger := false; BlindMovieCapture := false; LG3DacLow := DefaultLG3DacLow; LG3DacHigh := DefaultLG3DacHigh; VideoControl := nil; SyncMode := NormalSync; VideoRateAveraging := false; DitherColor := true; RGBLut := CustomLUT; with Highlight1 do begin red := -1; green := 0; blue := 0; end; with Highlight254 do begin red := -1; green := -1; blue := 0; end; HighlightMode := false; LegalWithoutImage := [UpdateLutC, StartC, ShowResultsC, GetPicSizeC, PutMsgC, ExitC, CaptureC, MoveToC, BeepC, MakeNewC, SetPaletteC, SetBackC, GetRoiC, OpenC, ImportC, SetImportC, SetMinMaxC, SetCustomC, nPicsC, WaitC, SetSizeC, TriggerC, AverageFramesC, SaveStateC, RestoreStateC, SetCounterC, MakeStackC, ShowMsgC, SetUser1C, SetUser2C, SetOptionsC, RequiresC]; LegalWithoutImage := LegalWithoutImage + [DisposeAllC, GetTimeC, SetForeC, SetBackC, GetStringC, OpenSerialC, GetSerialC, PutSerialC, SetCursorC, TickCountC, ConcatC, SetVideoC, StringToNumC, ChannelC, AcquireC, UndoSizeC, FilterC, PhotoModeC, DrawTextC, WriteC, WritelnC, NewTextWindowC, UserCodeC, SelectWindowC, BitAndC, BitOrC, WindowTitleC, ScaleConvolutionsC]; LegalWithoutImage := LegalWithoutImage + [SaveC, SaveAsC, CloseC, DisposeC, PosC]; TopOfStack := 0; SerialBufferP := nil; MacroTicks := 0; OpeningPlugInWindow := false; LG3DacA := 0; LG3DacB := 0; LG3DataOut := 0; nAcqPlugIns := 0; nExportPlugIns := 0; nFilterPlugIns := 0; LastAcqPlugIn := ''; LastFilterPlugIn := ''; LastExportPlugIn := ''; TextInfo := nil; nTextWindows := 0; NewTitle := 'Untitled'; CurrentWPtr := nil; CurrentKind := 0; SearchString := ''; TextCreator := 'Imag'; CurrentMathOp := SubMath; MathSrc1 := 1; MathSrc2 := 1; MathGain := 0.5; MathOffset := 128; MathResult := 'Result'; PrintOptionsSet := false; APReset := true; ShowPlot := true; end; end. 
