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UDraw.p
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UDraw.p
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{Photoshop version 1.0.1, file: UDraw.p
Computer History Museum, www.computerhistory.org
This material is (C)Copyright 1990 Adobe Systems Inc.
It may not be distributed to third parties.
It is licensed for non-commercial use according to
www.computerhistory.org/softwarelicense/photoshop/ }
UNIT UDraw;
INTERFACE
USES
{$LOAD MacIntf.LOAD}
MemTypes, QuickDraw, OSIntf, ToolIntf, PackIntf,
{$LOAD UMacApp.LOAD}
UObject, UList, UMacApp,
{$LOAD UPhotoshop.LOAD}
PaletteMgr, UConstants, UVMemory, UPhotoshop,
{$LOAD}
UDialog, UBWDialog, UCommands, UGhost, UPressure;
TYPE
TMarkingTool = OBJECT (TBufferCommand)
fChannel: INTEGER;
fMarkedArea: Rect;
fCachedArea: Rect;
fCacheSize: Point;
fLastPoint: Point;
fPixelAlign: BOOLEAN;
fConstrainH: BOOLEAN;
fConstrainV: BOOLEAN;
fLowerPage: INTEGER;
fUpperPage: INTEGER;
fPhysicalSize: INTEGER;
fFailMessage: LONGINT;
fAlphaMap: TLookUpTable;
fAlphaChannel: TVMArray;
fAuxCursor: BOOLEAN;
fAuxLocation: Point;
fAuxView: TImageView;
PROCEDURE TMarkingTool.IMarkingTool (view: TImageView;
itsCommand: INTEGER;
cacheSize: Point;
failMessage: LONGINT;
needAlpha: BOOLEAN);
PROCEDURE TMarkingTool.Free; OVERRIDE;
PROCEDURE TMarkingTool.TrackFeedBack (anchorPoint: Point;
nextPoint: Point;
turnItOn: BOOLEAN;
mouseDidMove: BOOLEAN); OVERRIDE;
PROCEDURE TMarkingTool.TrackConstrain (anchorPoint: Point;
previousPoint: Point;
VAR nextPoint: Point); OVERRIDE;
PROCEDURE TMarkingTool.BuildAlpha (lower, upper: INTEGER);
PROCEDURE TMarkingTool.SaveLines (lower, upper: INTEGER);
PROCEDURE TMarkingTool.AddToMarked (r: Rect);
PROCEDURE TMarkingTool.DrawAuxCursor (pt: Point);
PROCEDURE TMarkingTool.FlushCache;
PROCEDURE TMarkingTool.AddToCache (r: Rect);
PROCEDURE TMarkingTool.FixReleasePoint (anchorPoint: Point;
VAR nextPoint: Point);
PROCEDURE TMarkingTool.SwapRect (r: Rect; iArray, bArray: TVMArray);
PROCEDURE TMarkingTool.SwapMarkedArea;
PROCEDURE TMarkingTool.FlushImage;
PROCEDURE TMarkingTool.RecoverFailure;
PROCEDURE TMarkingTool.DoIt; OVERRIDE;
PROCEDURE TMarkingTool.UndoIt; OVERRIDE;
PROCEDURE TMarkingTool.RedoIt; OVERRIDE;
END;
TEraserTool = OBJECT (TMarkingTool)
fMagic: BOOLEAN;
fColor1: INTEGER;
fColor2: INTEGER;
fColor3: INTEGER;
PROCEDURE TEraserTool.IEraserTool (view: TImageView; magic: BOOLEAN);
FUNCTION TEraserTool.TrackMouse
(aTrackPhase: TrackPhase;
VAR anchorPoint: Point;
VAR previousPoint: Point;
VAR nextPoint: Point;
mouseDidMove: BOOLEAN): TCommand; OVERRIDE;
END;
TTip = RECORD
fSize: Point;
fSpot: Point;
fMask: Handle;
fMask2: Handle;
fData: ARRAY [0..3] OF Handle
END;
TDrawingMode = (NormalDrawing, ColorOnly, DarkenOnly, LightenOnly);
TDrawingTool = OBJECT (TMarkingTool)
fTip: TTip;
fMode: TDrawingMode;
fSpacing: INTEGER;
fFadeout: INTEGER;
fDelay: INTEGER;
fPressureMode: INTEGER;
fDip: BOOLEAN;
fMixMap: TLookUpTable;
fDrawings: LONGINT;
fLastDrawTime: LONGINT;
fSpacingCounter: INTEGER;
fStampMethod: INTEGER;
fImpressCounter: INTEGER;
fImpressTimer : LONGINT;
fTextureNoise: Handle;
fStampOffset: Point;
fFore: ARRAY [1..3] OF INTEGER;
fBack: ARRAY [1..3] OF INTEGER;
PROCEDURE TDrawingTool.IDrawingTool (view: TImageView;
itsCommand: INTEGER;
VAR tip: TTip;
mode: TDrawingMode;
spacing: INTEGER;
fadeout: INTEGER;
rate: INTEGER;
failMessage: LONGINT;
needAlpha: BOOLEAN);
PROCEDURE TDrawingTool.Free; OVERRIDE;
PROCEDURE TDrawingTool.FindMask (offset: LONGINT; r: Rect);
PROCEDURE TDrawingTool.BlurOrSharpen (dataPtr: Ptr;
offset: LONGINT;
r: Rect;
band: INTEGER;
sharpen: BOOLEAN);
PROCEDURE TDrawingTool.SmudgeBand (dataPtr: Ptr;
offset: LONGINT;
r: Rect;
band: INTEGER);
PROCEDURE TDrawingTool.MarkBand (dataPtr: Ptr;
offset: LONGINT;
r: Rect;
band: INTEGER);
PROCEDURE TDrawingTool.MarkRGB (rDataPtr: Ptr;
gDataPtr: Ptr;
bDataPtr: Ptr;
offset: LONGINT;
r: Rect);
PROCEDURE TDrawingTool.LoadOverlap (r: Rect;
srcArray1: TVMArray;
srcArray2: TVMArray;
srcArray3: TVMArray);
PROCEDURE TDrawingTool.LoadCloneTip (r: Rect);
PROCEDURE TDrawingTool.LoadRevertTip (r: Rect);
PROCEDURE TDrawingTool.LoadTextureTip;
PROCEDURE TDrawingTool.LoadPatternTip (r: Rect);
PROCEDURE TDrawingTool.LoadImpressTip (pt: Point);
FUNCTION TDrawingTool.TrackMouse
(aTrackPhase: TrackPhase;
VAR anchorPoint: Point;
VAR previousPoint: Point;
VAR nextPoint: Point;
mouseDidMove: BOOLEAN): TCommand; OVERRIDE;
END;
TPencilTool = OBJECT (TDrawingTool)
fAutoErase: BOOLEAN;
PROCEDURE TPencilTool.IPencilTool (view: TImageView; pt: Point);
END;
TBrushTool = OBJECT (TDrawingTool)
PROCEDURE TBrushTool.IBrushTool (view: TImageView);
END;
TAirbrushTool = OBJECT (TDrawingTool)
PROCEDURE TAirbrushTool.IAirbrushTool (view: TImageView);
END;
TBlurTool = OBJECT (TDrawingTool)
PROCEDURE TBlurTool.IBlurTool (view: TImageView);
END;
TSharpenTool = OBJECT (TDrawingTool)
PROCEDURE TSharpenTool.ISharpenTool (view: TImageView);
END;
TSmudgeTool = OBJECT (TDrawingTool)
PROCEDURE TSmudgeTool.ISmudgeTool (view: TImageView; dip: BOOLEAN);
END;
TStampTool = OBJECT (TDrawingTool)
PROCEDURE TStampTool.IStampTool (view: TImageView; theMsg: LONGINT);
END;
TEraseAll = OBJECT (TBufferCommand)
fChannel: INTEGER;
PROCEDURE TEraseAll.IEraseAll (view: TImageView);
PROCEDURE TEraseAll.DoIt; OVERRIDE;
PROCEDURE TEraseAll.UndoIt; OVERRIDE;
PROCEDURE TEraseAll.RedoIt; OVERRIDE;
END;
TBrushesView = OBJECT (TView)
fShapeID: INTEGER;
fCustomRect: Rect;
PROCEDURE TBrushesView.IBrushesView;
PROCEDURE TBrushesView.HighlightShape (turnOn: BOOLEAN);
FUNCTION TBrushesView.DoMouseCommand
(VAR downLocalPoint: Point;
VAR info: EventInfo;
VAR hysteresis: Point): TCommand; OVERRIDE;
PROCEDURE TBrushesView.Draw (area: Rect); OVERRIDE;
END;
TShapeDialog = OBJECT (TBWDialog)
fShapeID: INTEGER;
fShapesRect: Rect;
fCustomRect: Rect;
PROCEDURE TShapeDialog.IShapeDialog (dialogID, shapeID: INTEGER);
PROCEDURE TShapeDialog.HighlightShape (turnOn: BOOLEAN);
PROCEDURE TShapeDialog.DrawAmendments (theItem: INTEGER); OVERRIDE;
PROCEDURE TShapeDialog.DoFilterEvent (VAR anEvent: EventRecord;
VAR itemHit: INTEGER;
VAR handledIt: BOOLEAN;
VAR doReturn: BOOLEAN); OVERRIDE;
END;
PROCEDURE InitDrawing;
FUNCTION DoEraserTool (view: TImageView; magic: BOOLEAN): TCommand;
FUNCTION DoPencilTool (view: TImageView; pt: Point): TCommand;
FUNCTION DoBrushTool (view: TImageView): TCommand;
FUNCTION DoAirbrushTool (view: TImageView): TCommand;
FUNCTION DoBlurTool (view: TImageView): TCommand;
FUNCTION DoSharpenTool (view: TImageView): TCommand;
FUNCTION DoSmudgeTool (view: TImageView; dip: BOOLEAN): TCommand;
FUNCTION DoStampTool (view: TImageView): TCommand;
FUNCTION DoStampPadTool (view: TImageView; pt: Point): TCommand;
FUNCTION DoEraseAll (view: TImageView): TCommand;
FUNCTION BrushesVisible: BOOLEAN;
PROCEDURE ShowBrushes (visible: BOOLEAN);
PROCEDURE UpdateBrush;
PROCEDURE DoPencilOptions;
PROCEDURE DoBrushOptions;
PROCEDURE DoAirbrushOptions;
PROCEDURE DoBlurOptions;
PROCEDURE DoSharpenOptions;
PROCEDURE DoSmudgeOptions;
PROCEDURE DoStampOptions;
PROCEDURE DefineBrush (view: TImageView);
PROCEDURE DefinePattern (view: TImageView);
IMPLEMENTATION
{$I UAssembly.a.inc}
{$I UDraw.a.inc}
{$I UFloat.a.inc}
{$I USelect.p.inc}
CONST
kTipSize = 25;
kMaxTipSize = 64;
kMaxTipArea = kMaxTipSize * kMaxTipSize;
kShapesPictID = 2000;
kClone1Method = 0;
kClone2Method = 1;
kRevertMethod = 2;
kTextureMethod = 3;
kPattern1Method = 4;
kPattern2Method = 5;
kImpressMethod = 6;
kUndefinedOption = -32768;
TYPE
TTipBuffer = PACKED ARRAY [0..kMaxTipArea-1] OF CHAR;
TTipTemplate = RECORD
size: Point;
spot: Point;
data: ARRAY [0..0] OF INTEGER
END;
PTipTemplate = ^TTipTemplate;
HTipTemplate = ^PTipTemplate;
TToolOptions = RECORD
shapeID : INTEGER;
mode : TDrawingMode;
spacing : INTEGER;
fadeout : INTEGER;
rate : INTEGER;
pressure : INTEGER;
method : INTEGER;
check1 : INTEGER;
wacom : INTEGER
END;
VAR
gHaveTexture: BOOLEAN;
gTexture: ARRAY [0..3] OF TLookUpTable;
gCustomSize: Point;
gCustomTip: TTipBuffer;
gCustomIcon: Handle;
gBrushesView: TBrushesView;
gBrushesWindow: TGhostWindow;
gPencilOptions : TToolOptions;
gBrushOptions : TToolOptions;
gAirbrushOptions: TToolOptions;
gBlurOptions : TToolOptions;
gSharpenOptions : TToolOptions;
gSmudgeOptions : TToolOptions;
gStampOptions : TToolOptions;
{*****************************************************************************}
{$S AInit}
PROCEDURE InitDrawing;
BEGIN
InitPressure;
gHaveTexture := FALSE;
gCustomSize := Point (0);
gCustomIcon := NewHandle (128);
FailNil (gCustomIcon);
gPatternRect := gZeroRect;
gPattern [0] := NIL;
gPattern [1] := NIL;
gPattern [2] := NIL;
gPattern [3] := NIL;
WITH gPencilOptions DO
BEGIN
shapeID := 1;
mode := NormalDrawing;
spacing := 1;
fadeout := kUndefinedOption;
rate := kUndefinedOption;
pressure := 100;
method := kUndefinedOption;
check1 := 0;
wacom := ORD (gHavePressure)
END;
WITH gBrushOptions DO
BEGIN
shapeID := 4;
mode := NormalDrawing;
spacing := 1;
fadeout := 0;
rate := 0;
pressure := 100;
method := kUndefinedOption;
check1 := kUndefinedOption;
wacom := ORD (gHavePressure)
END;
WITH gAirbrushOptions DO
BEGIN
shapeID := 8;
mode := NormalDrawing;
spacing := 1;
fadeout := 0;
rate := 10;
pressure := 50 + 50 * ORD (gHavePressure);
method := kUndefinedOption;
check1 := kUndefinedOption;
wacom := ORD (gHavePressure)
END;
WITH gBlurOptions DO
BEGIN
shapeID := 4;
mode := NormalDrawing;
spacing := 1;
fadeout := kUndefinedOption;
rate := 10;
pressure := 50;
method := kUndefinedOption;
check1 := kUndefinedOption;
wacom := kUndefinedOption
END;
WITH gSharpenOptions DO
BEGIN
shapeID := 8;
mode := NormalDrawing;
spacing := 5;
fadeout := kUndefinedOption;
rate := 0;
pressure := 50;
method := kUndefinedOption;
check1 := kUndefinedOption;
wacom := kUndefinedOption
END;
WITH gSmudgeOptions DO
BEGIN
shapeID := 4;
mode := NormalDrawing;
spacing := 1;
fadeout := kUndefinedOption;
rate := 0;
pressure := 50;
method := kUndefinedOption;
check1 := kUndefinedOption;
wacom := kUndefinedOption
END;
WITH gStampOptions DO
BEGIN
shapeID := 8;
mode := NormalDrawing;
spacing := 1;
fadeout := kUndefinedOption;
rate := kUndefinedOption;
pressure := 100;
method := kClone1Method;
check1 := kUndefinedOption;
wacom := kUndefinedOption
END;
NEW (gBrushesView);
FailNil (gBrushesView);
gBrushesView.IBrushesView
END;
{*****************************************************************************}
{$S ADoDraw}
PROCEDURE FreeTip (VAR tip: TTip);
BEGIN
IF tip.fMask <> NIL THEN DisposHandle (tip.fMask);
IF tip.fMask2 <> NIL THEN DisposHandle (tip.fMask2);
IF tip.fData [0] <> NIL THEN DisposHandle (tip.fData [0]);
IF tip.fData [1] <> NIL THEN DisposHandle (tip.fData [1]);
IF tip.fData [2] <> NIL THEN DisposHandle (tip.fData [2]);
IF tip.fData [3] <> NIL THEN DisposHandle (tip.fData [3])
END;
{*****************************************************************************}
{$S ADoDraw}
PROCEDURE LoadTip (VAR tip: TTip; id: INTEGER; view: TImageView);
VAR
band: INTEGER;
pixels: INTEGER;
template: HTipTemplate;
BEGIN
IF id = 0 THEN
BEGIN
IF gCustomSize.h = 0 THEN
Failure (errNoCustomBrush, 0);
tip.fSize := gCustomSize;
tip.fSpot.h := gCustomSize.h DIV 2;
tip.fSpot.v := (gCustomSize.v - 1) DIV 2
END
ELSE
BEGIN
template := HTipTemplate (Get1Resource ('TIP ', id));
FailNil (template);
HNoPurge (Handle (template));
tip.fSize := template^^.size;
tip.fSpot := template^^.spot
END;
pixels := tip.fSize.h * tip.fSize.v;
tip.fMask := NewHandle (pixels);
FailMemError;
IF id = 0 THEN
BlockMove (@gCustomTip, tip.fMask^, pixels)
ELSE
BEGIN
BlockMove (@template^^.data, tip.fMask^, pixels);
HPurge (Handle (template))
END;
tip.fMask2 := NewHandle (pixels);
FailMemError;
tip.fData [0] := NewHandle (pixels);
FailMemError;
tip.fData [1] := NewHandle (pixels);
FailMemError;
IF view.fChannel = kRGBChannels THEN
BEGIN
tip.fData [2] := NewHandle (pixels);
FailMemError;
tip.fData [3] := NewHandle (pixels);
FailMemError;
DoSetBytes (tip.fData [1]^, pixels, view.ForegroundByte (0));
DoSetBytes (tip.fData [2]^, pixels, view.ForegroundByte (1));
DoSetBytes (tip.fData [3]^, pixels, view.ForegroundByte (2))
END
ELSE
BEGIN
tip.fData [2] := NIL;
tip.fData [3] := NIL;
DoSetBytes (tip.fData [1]^, pixels, view.ForeGroundByte (0))
END;
MoveHHi (tip.fMask);
HLock (tip.fMask);
MoveHHi (tip.fMask2);
HLock (tip.fMask2);
FOR band := 0 TO 3 DO
IF tip.fData [band] <> NIL THEN
BEGIN
MoveHHi (tip.fData [band]);
HLock (tip.fData [band])
END
END;
{*****************************************************************************}
{$S ADoDraw}
FUNCTION TipCrossSection (tip: TTip): LONGINT;
VAR
r: INTEGER;
c: INTEGER;
sum: LONGINT;
rows: INTEGER;
cols: INTEGER;
maxRow: LONGINT;
maxCol: LONGINT;
BEGIN
rows := tip.fSize.v;
cols := tip.fSize.h;
maxRow := 0;
FOR r := 0 TO rows - 1 DO
BEGIN
sum := 0;
FOR c := 0 TO cols - 1 DO
sum := sum + BAND (Ptr (ORD4 (tip.fMask^) + r * cols + c)^, $FF);
IF maxRow < sum THEN maxRow := sum
END;
maxCol := 0;
FOR c := 0 TO cols - 1 DO
BEGIN
sum := 0;
FOR r := 0 TO rows - 1 DO
sum := sum + BAND (Ptr (ORD4 (tip.fMask^) + r * cols + c)^, $FF);
IF maxCol < sum THEN maxCol := sum
END;
TipCrossSection := Min (maxRow, maxCol)
END;
{*****************************************************************************}
{$S ADoDraw}
PROCEDURE TMarkingTool.IMarkingTool (view: TImageView;
itsCommand: INTEGER;
cacheSize: Point;
failMessage: LONGINT;
needAlpha: BOOLEAN);
VAR
fi: FailInfo;
channel: INTEGER;
old: TMarkingTool;
channels: INTEGER;
aVMArray: TVMArray;
PROCEDURE CleanUp (error: INTEGER; message: LONGINT);
BEGIN
Free
END;
BEGIN
fAlphaChannel := NIL;
fChannel := view.fChannel;
fMarkedArea := gZeroRect;
fCachedArea := gZeroRect;
fCacheSize := cacheSize;
fUpperPage := -1;
fLowerPage := -1;
fLastPoint.h := -1;
fLastPoint.v := -1;
fAuxView := NIL;
fAuxCursor := FALSE;
fFailMessage := failMessage;
IBufferCommand (itsCommand, view);
fViewConstrain := FALSE;
fConstrainsMouse := TRUE;
fPixelAlign := TRUE;
fConstrainH := TRUE;
fConstrainV := TRUE;
CatchFailures (fi, CleanUp);
IF MEMBER (gLastCommand, TMarkingTool) THEN
IF gLastCommand.fChangedDocument = fDoc THEN
BEGIN
old := TMarkingTool (gLastCommand);
fLastPoint := old.fLastPoint;
fBuffer [0] := old.fBuffer [0];
fBuffer [1] := old.fBuffer [1];
fBuffer [2] := old.fBuffer [2];
old.fBuffer [0] := NIL;
old.fBuffer [1] := NIL;
old.fBuffer [2] := NIL
END;
gApplication.CommitLastCommand;
fDoc.KillEffect (TRUE);
fDoc.FreeFloat;
IF fChannel = kRGBChannels THEN
channels := 3
ELSE
channels := 1;
FOR channel := 0 TO 2 DO
IF fBuffer [channel] <> NIL THEN
IF channel >= channels THEN
BEGIN
fBuffer [channel] . Free;
fBuffer [channel] := NIL
END
ELSE
fBuffer [channel] . Undefine
ELSE IF channel < channels THEN
BEGIN
aVMArray := NewVMArray (fDoc.fRows, fDoc.fCols, 1);
fBuffer [channel] := aVMArray
END;
fPhysicalSize := fBuffer [0] . fPhysicalSize;
IF NOT EmptyRect (fDoc.fSelectionRect) OR needAlpha THEN
BEGIN
aVMArray := NewVMArray (fDoc.fRows, fDoc.fCols, 1);
fAlphaChannel := aVMArray;
IF fDoc.fMode = IndexedColorMode THEN
BEGIN
DoSetBytes (@fAlphaMap [0 ], 128, 0);
DoSetBytes (@fAlphaMap [128], 128, 255)
END
ELSE
fAlphaMap := gNullLUT
END;
Success (fi)
END;
{*****************************************************************************}
{$S ADoCommand}
PROCEDURE TMarkingTool.Free; OVERRIDE;
BEGIN
FreeObject (fAlphaChannel);
INHERITED Free
END;
{*****************************************************************************}
{$IFC qTrace} {$D+} {$ENDC}
{$S ADoDraw}
PROCEDURE TMarkingTool.TrackFeedBack (anchorPoint: Point;
nextPoint: Point;
turnItOn: BOOLEAN;
mouseDidMove: BOOLEAN); OVERRIDE;
BEGIN
END;
{*****************************************************************************}
{$S ADoDraw}
PROCEDURE TMarkingTool.TrackConstrain (anchorPoint: Point;
previousPoint: Point;
VAR nextPoint: Point); OVERRIDE;
VAR
mag: INTEGER;
delta: Point;
offset: INTEGER;
theKeys: KeyMap;
BEGIN
mag := fView.fMagnification;
IF (mag > 1) AND fPixelAlign THEN
BEGIN
offset := BSL (mag, 6);
nextPoint.h := (nextPoint.h + offset) DIV mag * mag - offset;
nextPoint.v := (nextPoint.v + offset) DIV mag * mag - offset;
IF fConstrainH AND fConstrainV THEN
BEGIN
anchorPoint.h := (anchorPoint.h + offset) DIV mag * mag - offset;
anchorPoint.v := (anchorPoint.v + offset) DIV mag * mag - offset
END
END;
IF fConstrainH AND fConstrainV THEN
BEGIN
delta.h := ABS (nextPoint.h - anchorPoint.h);
delta.v := ABS (nextPoint.v - anchorPoint.v);
IF delta.h > delta.v + gStdHysteresis.h THEN
fConstrainH := FALSE
ELSE IF delta.v > delta.h + gStdHysteresis.h THEN
fConstrainV := FALSE
END;
GetKeys (theKeys);
IF theKeys [kShiftCode] THEN
BEGIN
IF fConstrainH THEN
nextPoint.h := anchorPoint.h;
IF fConstrainV THEN
nextPoint.v := anchorPoint.v
END
END;
{*****************************************************************************}
{$S ADoDraw}
PROCEDURE TMarkingTool.BuildAlpha (lower, upper: INTEGER);
VAR
r: Rect;
srcPtr: Ptr;
dstPtr: Ptr;
line: INTEGER;
BEGIN
IF fAlphaChannel <> NIL THEN
BEGIN
FOR line := lower TO upper DO
BEGIN
dstPtr := fAlphaChannel.NeedPtr (line, line, TRUE);
DoSetBytes (dstPtr, fDoc.fCols, 0);
r := fDoc.fSelectionRect;
IF r.bottom = r.top THEN
BEGIN
r.top := 0;
r.left := 0;
r.bottom := fDoc.fRows;
r.right := fDoc.fCols
END;
IF (line >= r.top) AND (line < r.bottom) THEN
BEGIN
dstPtr := Ptr (ORD4 (dstPtr) + r.left);
IF fDoc.fSelectionMask = NIL THEN
DoSetBytes (dstPtr,
r.right - r.left,
ORD (fAlphaMap [255]))
ELSE
BEGIN
srcPtr := fDoc.fSelectionMask.NeedPtr (line - r.top,
line - r.top,
FALSE);
BlockMove (srcPtr, dstPtr, r.right - r.left);
fDoc.fSelectionMask.DoneWithPtr;