84 lines
1.6 KiB
ObjectPascal
84 lines
1.6 KiB
ObjectPascal
unit BucketFillerThread;
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interface
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uses
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Classes, Windows,
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ControlPoint, Render, XForm, RenderTypes;
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type
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TBucketFillerThread = class(TThread)
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private
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fcp: TControlPoint;
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points: TPointsArray;
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public
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nrbatches: integer;
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batchcounter: Pinteger;
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ColorMap: TColorMapArray;
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CriticalSection: TRTLCriticalSection;
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AddPointsProc: procedure (const points: TPointsArray) of object;
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constructor Create(cp: TControlPoint);
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destructor Destroy; override;
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procedure Execute; override;
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end;
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implementation
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///////////////////////////////////////////////////////////////////////////////
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constructor TBucketFillerThread.Create(cp: TControlPoint);
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begin
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inherited Create(True);
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Self.FreeOnTerminate := True;
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Fcp := cp.Clone;
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SetLength(Points, SUB_BATCH_SIZE);
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fcp.Prepare;
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end;
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///////////////////////////////////////////////////////////////////////////////
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destructor TBucketFillerThread.Destroy;
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begin
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FCP.Free;
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inherited;
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end;
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///////////////////////////////////////////////////////////////////////////////
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procedure TBucketFillerThread.Execute;
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var
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bc: integer;
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begin
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inherited;
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bc := 0;
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while (not Terminated) and (bc < Nrbatches) do begin
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fcp.iterateXYC(SUB_BATCH_SIZE, points);
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try
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EnterCriticalSection(CriticalSection);
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AddPointsProc(Points);
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Inc(batchcounter^);
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bc := batchcounter^
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finally
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LeaveCriticalSection(CriticalSection);
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end;
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end;
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end;
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///////////////////////////////////////////////////////////////////////////////
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{ -- RENDER THREAD MUST *NOT* KNOW ANYTHING ABOUT BUCKETS!!! -- }
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end.
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