public override System.Drawing.Point GetNextPointOnXAxis(ImageInstance theImage, ref System.Drawing.Point theNextPoint)
        {
            if (!mCompletedFirstROI)
            {
                // first iterate through the FirstROI blindly
                mFirstROI.GetNextPointOnXAxis(theImage, ref theNextPoint);
                if (theNextPoint.X != -1 && theNextPoint.Y != -1)
                {
                    return(theNextPoint);
                }

                // once we hit the end of FirstROI, check if the first point in SecondROI is outside of FirstROI, if so, use it
                mCompletedFirstROI = true;
                theNextPoint       = mSecondROI.GetFirstPointOnXAxis(theImage, ref theNextPoint);
                if (!mFirstROI.ContainsPoint(theImage, theNextPoint))
                {
                    return(theNextPoint);
                }
            }
            // after using up FirstROI and the first point of SecondROI, then iterate through SecondROI and weed out any duplicate point
            do
            {
                mSecondROI.GetNextPointOnXAxis(theImage, ref theNextPoint);
            } while (theNextPoint.X != -1 && theNextPoint.Y != -1 && mFirstROI.ContainsPoint(theImage, theNextPoint));
            return(theNextPoint);
        }
 public override System.Drawing.Point GetFirstPointOnXAxis(ImageInstance theImage, ref System.Drawing.Point theFirstPoint)
 {
     mMainROI.GetFirstPointOnXAxis(theImage, ref theFirstPoint);
     while (theFirstPoint.X != -1 && theFirstPoint.Y != -1 && mHoleROI.ContainsPoint(theImage, theFirstPoint))
     {
         mMainROI.GetNextPointOnXAxis(theImage, ref theFirstPoint);
     }
     return(theFirstPoint);
 }
Exemple #3
0
 public override System.Drawing.Point GetFirstPointOnXAxis(ImageInstance theImage, ref System.Drawing.Point theFirstPoint)
 {
     mMainROI.GetFirstPointOnXAxis(theImage, ref theFirstPoint);
     while (theFirstPoint.X != -1 && theFirstPoint.Y != -1 && mColorException.Matches(theImage.GetColor(theFirstPoint.X, theFirstPoint.Y)))
     {
         mMainROI.GetNextPointOnXAxis(theImage, ref theFirstPoint);
     }
     return(theFirstPoint);
 }
        public override void DoWork()
        {
            TestExecution().LogMessageWithTimeFromTrigger(Name + " started");
            Stopwatch watch = new Stopwatch();

            watch.Start();

            long   numPixels = 0;
            int    H_current;
            double H_avg    = -1;
            int    H_min    = 999999;
            int    H_max    = -999999;
            double H_stddev = -1;
            long   H_sum    = 0;

            int    S_current;
            double S_avg    = -1;
            int    S_min    = 999999;
            int    S_max    = -999999;
            double S_stddev = -1;
            long   S_sum    = 0;

            int    I_current;
            double I_avg    = -1;
            int    I_min    = 999999;
            int    I_max    = -999999;
            double I_stddev = -1;
            long   I_sum    = 0;

            int    R_current;
            double R_avg    = -1;
            int    R_min    = 999999;
            int    R_max    = -999999;
            double R_stddev = -1;
            long   R_sum    = 0;

            int    G_current;
            double G_avg    = -1;
            int    G_min    = 999999;
            int    G_max    = -999999;
            double G_stddev = -1;
            long   G_sum    = 0;

            int    B_current;
            double B_avg    = -1;
            int    B_min    = 999999;
            int    B_max    = -999999;
            double B_stddev = -1;
            long   B_sum    = 0;

            int    Grey_current;
            double Grey_avg    = -1;
            int    Grey_min    = 999999;
            int    Grey_max    = -999999;
            double Grey_stddev = -1;
            long   Grey_sum    = 0;

            if (mPrerequisite != null && !mPrerequisite.ValueAsBoolean())
            {
                TestExecution().LogMessageWithTimeFromTrigger(Name + ": prerequisites not met. Skipping.");
            }
            else
            {
                if (true)
                {
                    if (mSourceImage != null && mSourceImage.Bitmap != null)
                    {
                        Point currentPoint = new Point(-1, -1);
                        mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                        Color color;
                        while (currentPoint.X > -1 && currentPoint.Y > -1)
                        {
                            numPixels++;

                            color = mSourceImage.GetColor(currentPoint.X, currentPoint.Y);

                            H_current    = (int)(color.GetHue());
                            S_current    = (int)(color.GetSaturation() * 100);
                            I_current    = (int)(color.GetBrightness() * 100);
                            Grey_current = (int)(0.3 * color.R + 0.59 * color.G + 0.11 * color.B); // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                            R_current    = color.R;
                            G_current    = color.G;
                            B_current    = color.B;

                            H_sum += H_current;
                            if (H_current < H_min)
                            {
                                H_min = H_current;
                            }
                            if (H_current > H_max)
                            {
                                H_max = H_current;
                            }

                            S_sum += S_current;
                            if (S_current < S_min)
                            {
                                S_min = S_current;
                            }
                            if (S_current > S_max)
                            {
                                S_max = S_current;
                            }

                            I_sum += I_current;
                            if (I_current < I_min)
                            {
                                I_min = I_current;
                            }
                            if (I_current > I_max)
                            {
                                I_max = I_current;
                            }

                            R_sum += R_current;
                            if (R_current < R_min)
                            {
                                R_min = R_current;
                            }
                            if (R_current > R_max)
                            {
                                R_max = R_current;
                            }

                            G_sum += G_current;
                            if (G_current < G_min)
                            {
                                G_min = G_current;
                            }
                            if (G_current > G_max)
                            {
                                G_max = G_current;
                            }

                            B_sum += B_current;
                            if (B_current < B_min)
                            {
                                B_min = B_current;
                            }
                            if (B_current > B_max)
                            {
                                B_max = B_current;
                            }

                            Grey_sum += Grey_current;
                            if (Grey_current < Grey_min)
                            {
                                Grey_min = Grey_current;
                            }
                            if (Grey_current > Grey_max)
                            {
                                Grey_max = Grey_current;
                            }

                            mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                        }

                        if (numPixels > 0)
                        {
                            H_avg    = ((double)H_sum) / numPixels;
                            S_avg    = ((double)S_sum) / numPixels;
                            I_avg    = ((double)I_sum) / numPixels;
                            R_avg    = ((double)R_sum) / numPixels;
                            G_avg    = ((double)G_sum) / numPixels;
                            B_avg    = ((double)B_sum) / numPixels;
                            Grey_avg = ((double)Grey_sum) / numPixels;
                        }
                        else
                        {
                            TestExecution().LogErrorWithTimeFromTrigger("ColorAnalysis " + Name + " didn't analyze any pixels -- check ROI size.");
                        }
                    } // if image not null
                }
                else  // if not new array pixel access, then use old pointer access
                {
                    Bitmap sourceBitmap = SourceImage.Bitmap;
                    if (sourceBitmap != null)
                    {
                        // for LockBits see http://www.bobpowell.net/lockingbits.htm & http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                        BitmapData sourceBitmapData = null;
                        try
                        {
                            sourceBitmapData = sourceBitmap.LockBits(new Rectangle(0, 0, sourceBitmap.Width, sourceBitmap.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
                            const int pixelByteWidth = 4; // determined by PixelFormat.Format32bppArgb
                            int       stride         = sourceBitmapData.Stride;
                            int       strideOffset   = stride - (sourceBitmapData.Width * pixelByteWidth);

                            Point currentPoint = new Point(-1, -1);
                            mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                            unsafe // see http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                            {
                                byte *sourcePointer;

                                Color color;
                                while (currentPoint.X > -1 && currentPoint.Y > -1)
                                {
                                    numPixels++;

                                    sourcePointer  = (byte *)sourceBitmapData.Scan0;                                                         // init to first byte of image
                                    sourcePointer += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);                          // adjust to current point
                                    color          = Color.FromArgb(sourcePointer[3], sourcePointer[2], sourcePointer[1], sourcePointer[0]); // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha

                                    H_current    = (int)(color.GetHue());
                                    S_current    = (int)(color.GetSaturation() * 100);
                                    I_current    = (int)(color.GetBrightness() * 100);
                                    Grey_current = (int)(0.3 * color.R + 0.59 * color.G + 0.11 * color.B); // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                                    R_current    = color.R;
                                    G_current    = color.G;
                                    B_current    = color.B;

                                    H_sum += H_current;
                                    if (H_current < H_min)
                                    {
                                        H_min = H_current;
                                    }
                                    if (H_current > H_max)
                                    {
                                        H_max = H_current;
                                    }

                                    S_sum += S_current;
                                    if (S_current < S_min)
                                    {
                                        S_min = S_current;
                                    }
                                    if (S_current > S_max)
                                    {
                                        S_max = S_current;
                                    }

                                    I_sum += I_current;
                                    if (I_current < I_min)
                                    {
                                        I_min = I_current;
                                    }
                                    if (I_current > I_max)
                                    {
                                        I_max = I_current;
                                    }

                                    R_sum += R_current;
                                    if (R_current < R_min)
                                    {
                                        R_min = R_current;
                                    }
                                    if (R_current > R_max)
                                    {
                                        R_max = R_current;
                                    }

                                    G_sum += G_current;
                                    if (G_current < G_min)
                                    {
                                        G_min = G_current;
                                    }
                                    if (G_current > G_max)
                                    {
                                        G_max = G_current;
                                    }

                                    B_sum += B_current;
                                    if (B_current < B_min)
                                    {
                                        B_min = B_current;
                                    }
                                    if (B_current > B_max)
                                    {
                                        B_max = B_current;
                                    }

                                    Grey_sum += Grey_current;
                                    if (Grey_current < Grey_min)
                                    {
                                        Grey_min = Grey_current;
                                    }
                                    if (Grey_current > Grey_max)
                                    {
                                        Grey_max = Grey_current;
                                    }

                                    mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                                }

                                if (numPixels > 0)
                                {
                                    H_avg    = ((double)H_sum) / numPixels;
                                    S_avg    = ((double)S_sum) / numPixels;
                                    I_avg    = ((double)I_sum) / numPixels;
                                    R_avg    = ((double)R_sum) / numPixels;
                                    G_avg    = ((double)G_sum) / numPixels;
                                    B_avg    = ((double)B_sum) / numPixels;
                                    Grey_avg = ((double)Grey_sum) / numPixels;
                                }
                                else
                                {
                                    TestExecution().LogErrorWithTimeFromTrigger("ColorAnalysis " + Name + " didn't analyze any pixels -- check ROI size.");
                                }
                            } // end unsafe block
                        }
                        finally
                        {
                            sourceBitmap.UnlockBits(sourceBitmapData);
                        }
                    } // if bitmap
                }     // pixel access type
            }         // if prereqs met
            if (mH_Average != null)
            {
                mH_Average.SetValue(H_avg);
                mH_Average.SetIsComplete();
            }
            if (mH_Min != null)
            {
                mH_Min.SetValue(H_min);
                mH_Min.SetIsComplete();
            }
            if (mH_Max != null)
            {
                mH_Max.SetValue(H_max);
                mH_Max.SetIsComplete();
            }
            if (mH_StdDev != null)
            {
                mH_StdDev.SetValue(H_stddev);
                mH_StdDev.SetIsComplete();
            }

            if (mS_Average != null)
            {
                mS_Average.SetValue(S_avg);
                mS_Average.SetIsComplete();
            }
            if (mS_Min != null)
            {
                mS_Min.SetValue(S_min);
                mS_Min.SetIsComplete();
            }
            if (mS_Max != null)
            {
                mS_Max.SetValue(S_max);
                mS_Max.SetIsComplete();
            }
            if (mS_StdDev != null)
            {
                mS_StdDev.SetValue(S_stddev);
                mS_StdDev.SetIsComplete();
            }

            if (mI_Average != null)
            {
                mI_Average.SetValue(I_avg);
                mI_Average.SetIsComplete();
            }
            if (mI_Min != null)
            {
                mI_Min.SetValue(I_min);
                mI_Min.SetIsComplete();
            }
            if (mI_Max != null)
            {
                mI_Max.SetValue(I_max);
                mI_Max.SetIsComplete();
            }
            if (mI_StdDev != null)
            {
                mI_StdDev.SetValue(I_stddev);
                mI_StdDev.SetIsComplete();
            }

            if (mR_Average != null)
            {
                mR_Average.SetValue(R_avg);
                mR_Average.SetIsComplete();
            }
            if (mR_Min != null)
            {
                mR_Min.SetValue(R_min);
                mR_Min.SetIsComplete();
            }
            if (mR_Max != null)
            {
                mR_Max.SetValue(R_max);
                mR_Max.SetIsComplete();
            }
            if (mR_StdDev != null)
            {
                mR_StdDev.SetValue(R_stddev);
                mR_StdDev.SetIsComplete();
            }

            if (mG_Average != null)
            {
                mG_Average.SetValue(G_avg);
                mG_Average.SetIsComplete();
            }
            if (mG_Min != null)
            {
                mG_Min.SetValue(G_min);
                mG_Min.SetIsComplete();
            }
            if (mG_Max != null)
            {
                mG_Max.SetValue(G_max);
                mG_Max.SetIsComplete();
            }
            if (mG_StdDev != null)
            {
                mG_StdDev.SetValue(G_stddev);
                mG_StdDev.SetIsComplete();
            }

            if (mB_Average != null)
            {
                mB_Average.SetValue(B_avg);
                mB_Average.SetIsComplete();
            }
            if (mB_Min != null)
            {
                mB_Min.SetValue(B_min);
                mB_Min.SetIsComplete();
            }
            if (mB_Max != null)
            {
                mB_Max.SetValue(B_max);
                mB_Max.SetIsComplete();
            }
            if (mB_StdDev != null)
            {
                mB_StdDev.SetValue(B_stddev);
                mB_StdDev.SetIsComplete();
            }

            if (mGrey_Average != null)
            {
                mGrey_Average.SetValue(Grey_avg);
                mGrey_Average.SetIsComplete();
            }
            if (mGrey_Min != null)
            {
                mGrey_Min.SetValue(Grey_min);
                mGrey_Min.SetIsComplete();
            }
            if (mGrey_Max != null)
            {
                mGrey_Max.SetValue(Grey_max);
                mGrey_Max.SetIsComplete();
            }
            if (mGrey_StdDev != null)
            {
                mGrey_StdDev.SetValue(Grey_stddev);
                mGrey_StdDev.SetIsComplete();
            }

            mIsComplete = true;

            watch.Stop();
            TestExecution().LogMessageWithTimeFromTrigger(Name + " took " + watch.ElapsedMilliseconds + "ms  (" + watch.ElapsedTicks + " ticks for " + numPixels + " pixels)");
        }
Exemple #5
0
//		public const string AnalysisType = "Color Present Fails";
//		public override string Type() { return AnalysisType; }

        public override void DoWork()
        {
            TestExecution().LogMessageWithTimeFromTrigger("ColorMatchCount " + Name + " started");

            DateTime startTime = DateTime.Now;

            mMatchCount = 0;
            if (mSourceImage.Bitmap != null)
            {
                if (true)
                {
                    Point currentPoint = new Point(-1, -1);
                    mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                    Color color;
                    while (currentPoint.X != -1 && currentPoint.Y != -1)
                    {
                        color = mSourceImage.GetColor(currentPoint.X, currentPoint.Y);
                        if (mColorMatcher.Matches(color))
                        {
                            mMatchCount++;
                            if (mImageToMark != null && mImageToMark.Bitmap != null)
                            {
                                mImageToMark.SetColor(currentPoint.X, currentPoint.Y, mMarkColor);
                            }
                        }
                        mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                    }
                }
                else
                {
                    Bitmap sourceBitmap = SourceImage.Bitmap;
                    Bitmap markedBitmap = null;

                    if (mCreateMarkedImage && mImageToMark != null && mImageToMark.Bitmap != null)
                    {
                        markedBitmap = mImageToMark.Bitmap;
                    }

                    // for LockBits see http://www.bobpowell.net/lockingbits.htm & http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                    BitmapData sourceBitmapData = null;
                    BitmapData markedBitmapData = null;
                    try
                    {
                        sourceBitmapData = sourceBitmap.LockBits(new Rectangle(0, 0, sourceBitmap.Width, sourceBitmap.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
                        if (markedBitmap != null)
                        {
                            markedBitmapData = markedBitmap.LockBits(new Rectangle(0, 0, markedBitmap.Width, markedBitmap.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
                        }
                        const int pixelByteWidth = 4; // determined by PixelFormat.Format32bppArgb
                        int       stride         = sourceBitmapData.Stride;
                        int       strideOffset   = stride - (sourceBitmapData.Width * pixelByteWidth);

                        Point currentPoint = new Point(-1, -1);
                        mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                        unsafe // see http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                        {
                            byte *sourcePointer;
                            byte *markedPointer;

                            Color color;
                            while (currentPoint.X != -1 && currentPoint.Y != -1)
                            {
                                sourcePointer  = (byte *)sourceBitmapData.Scan0;                                                         // init to first byte of image
                                sourcePointer += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);                          // adjust to current point
                                color          = Color.FromArgb(sourcePointer[3], sourcePointer[2], sourcePointer[1], sourcePointer[0]); // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha
                                if (mColorMatcher.Matches(color))
                                {
                                    mMatchCount++;
                                    if (markedBitmap != null)
                                    {
                                        markedPointer    = (byte *)markedBitmapData.Scan0;
                                        markedPointer   += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);
                                        markedPointer[3] = mMarkColor.A;
                                        markedPointer[2] = mMarkColor.R;
                                        markedPointer[1] = mMarkColor.G;
                                        markedPointer[0] = mMarkColor.B;
                                    }
                                }
                                mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                            }
                        } // end unsafe block
                    }
                    finally
                    {
                        sourceBitmap.UnlockBits(sourceBitmapData);
                        if (markedBitmap != null)
                        {
                            markedBitmap.UnlockBits(markedBitmapData);
                        }
                    }
                }
            }
            mResult.SetValue(mMatchCount);

            mResult.SetIsComplete();
            DateTime doneTime    = DateTime.Now;
            TimeSpan computeTime = doneTime - startTime;

            TestExecution().LogMessageWithTimeFromTrigger(Name + " took " + computeTime.TotalMilliseconds + "ms");
            //MessageBox.Show("done in color count for " + Name);
        }
 public override System.Drawing.Point GetFirstPointOnXAxis(ImageInstance theImage, ref System.Drawing.Point theFirstPoint)
 {
     mCompletedFirstROI = false;
     mFirstROI.GetFirstPointOnXAxis(theImage, ref theFirstPoint);
     return(theFirstPoint);
 }
//		public const string AnalysisType = "Color Present Fails";
//		public override string Type() { return AnalysisType; }

        public override void DoWork()
        {
            //if (!mSourceImage.IsComplete() || !AreExplicitDependenciesComplete()) return;

            TestExecution().LogMessageWithTimeFromTrigger("IntensityVariation " + Name + " started");

            Bitmap sourceBitmap = SourceImage.Bitmap;
            Bitmap markedBitmap = null;

            if (mMarkedImage != null && sourceBitmap != null)
            {
                mMarkedImage.SetImage(new Bitmap(sourceBitmap));
                markedBitmap = mMarkedImage.Bitmap;
                TestExecution().LogMessageWithTimeFromTrigger("Created copy of image for markings");
            }

            long resultValue = 0;

            if (sourceBitmap != null)
            {
                // for LockBits see http://www.bobpowell.net/lockingbits.htm & http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                BitmapData sourceBitmapData = null;
                BitmapData markedBitmapData = null;
                try
                {
                    sourceBitmapData = sourceBitmap.LockBits(new Rectangle(0, 0, sourceBitmap.Width, sourceBitmap.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
                    if (markedBitmap != null)
                    {
                        markedBitmapData = markedBitmap.LockBits(new Rectangle(0, 0, markedBitmap.Width, markedBitmap.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
                    }
                    const int pixelByteWidth = 4; // determined by PixelFormat.Format32bppArgb
                    int       stride         = sourceBitmapData.Stride;
                    int       strideOffset   = stride - (sourceBitmapData.Width * pixelByteWidth);

                    Color color;
                    int   pixel1Intensity;
                    int   pixel2Intensity;
                    long  variation  = 0;
                    long  threshhold = mVariationThreshhold.ValueAsLong();

                    Point lastPoint    = new Point(-1, -1);
                    Point currentPoint = new Point(-1, -1);
                    if (mTestXAxis)
                    {
                        TestExecution().LogMessageWithTimeFromTrigger("IntensityVariation " + Name + " testing X Axis");
                        mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                        unsafe // see http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                        {
                            byte *sourcePointer;
                            byte *markedPointer;

                            sourcePointer   = (byte *)sourceBitmapData.Scan0;                                                         // init to first byte of image
                            sourcePointer  += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);                          // adjust to current point
                            color           = Color.FromArgb(sourcePointer[3], sourcePointer[2], sourcePointer[1], sourcePointer[0]); // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha
                            pixel1Intensity = (int)(color.GetBrightness() * 100);

                            lastPoint.X = currentPoint.X;
                            lastPoint.Y = currentPoint.Y;

                            mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                            while (currentPoint.X != -1 && currentPoint.Y != -1)
                            {
                                sourcePointer   = (byte *)sourceBitmapData.Scan0;                                                         // init to first byte of image
                                sourcePointer  += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);                          // adjust to current point
                                color           = Color.FromArgb(sourcePointer[3], sourcePointer[2], sourcePointer[1], sourcePointer[0]); // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha
                                pixel2Intensity = (int)(color.GetBrightness() * 100);

                                if (currentPoint.Y == lastPoint.Y)
                                {
                                    variation = Math.Abs(pixel2Intensity - pixel1Intensity);
                                    if (variation > threshhold)
                                    {
                                        resultValue += variation;
                                        if (mMarkedImage != null)
                                        {
                                            markedPointer    = (byte *)markedBitmapData.Scan0;
                                            markedPointer   += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);
                                            markedPointer[3] = mMarkColor.A;
                                            markedPointer[2] = mMarkColor.R;
                                            markedPointer[1] = mMarkColor.G;
                                            markedPointer[0] = mMarkColor.B;
                                        }
                                    }
                                }
                                pixel1Intensity = pixel2Intensity;
                                lastPoint.X     = currentPoint.X;
                                lastPoint.Y     = currentPoint.Y;
                                mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                            }
                        } // end unsafe block
                    }
                    if (mTestYAxis)
                    {
                        TestExecution().LogMessageWithTimeFromTrigger("IntensityVariation " + Name + " testing Y Axis");
                        mROI.GetFirstPointOnYAxis(mSourceImage, ref currentPoint);

                        unsafe // see http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                        {
                            byte *sourcePointer;
                            byte *markedPointer;

                            sourcePointer   = (byte *)sourceBitmapData.Scan0;                                                         // init to first byte of image
                            sourcePointer  += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);                          // adjust to current point
                            color           = Color.FromArgb(sourcePointer[3], sourcePointer[2], sourcePointer[1], sourcePointer[0]); // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha
                            pixel1Intensity = (int)(color.GetBrightness() * 100);

                            lastPoint.X = currentPoint.X;
                            lastPoint.Y = currentPoint.Y;

                            mROI.GetNextPointOnYAxis(mSourceImage, ref currentPoint);
                            while (currentPoint.X != -1 && currentPoint.Y != -1)
                            {
                                sourcePointer   = (byte *)sourceBitmapData.Scan0;                                                         // init to first byte of image
                                sourcePointer  += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);                          // adjust to current point
                                color           = Color.FromArgb(sourcePointer[3], sourcePointer[2], sourcePointer[1], sourcePointer[0]); // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha
                                pixel2Intensity = (int)(color.GetBrightness() * 100);

                                if (currentPoint.X == lastPoint.X)
                                {
                                    variation = Math.Abs(pixel2Intensity - pixel1Intensity);
                                    if (variation > threshhold)
                                    {
                                        resultValue += variation;
                                        if (mMarkedImage != null)
                                        {
                                            markedPointer    = (byte *)markedBitmapData.Scan0;
                                            markedPointer   += (currentPoint.Y * stride) + (currentPoint.X * pixelByteWidth);
                                            markedPointer[3] = mMarkColor.A;
                                            markedPointer[2] = mMarkColor.R;
                                            markedPointer[1] = mMarkColor.G;
                                            markedPointer[0] = mMarkColor.B;
                                        }
                                    }
                                }
                                pixel1Intensity = pixel2Intensity;
                                lastPoint.X     = currentPoint.X;
                                lastPoint.Y     = currentPoint.Y;
                                mROI.GetNextPointOnYAxis(mSourceImage, ref currentPoint);
                            }
                        } // end unsafe block
                    }
                }
                finally
                {
                    sourceBitmap.UnlockBits(sourceBitmapData);
                    if (markedBitmap != null)
                    {
                        markedBitmap.UnlockBits(markedBitmapData);
                    }
                }
            }

            mResult.SetValue(resultValue);
            mResult.SetIsComplete();
            if (mMarkedImage != null)
            {
                mMarkedImage.SetIsComplete();
            }
            TestExecution().LogMessageWithTimeFromTrigger("IntensityVariation " + Name + " completed");
        }
Exemple #8
0
//		public const string AnalysisType = "Color Present Fails";
//		public override string Type() { return AnalysisType; }

        public override void DoWork()
        {
            TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " started");

            /*
             * if (Definition(.ScoreFilter != null)
             * {
             *  mScoreFilter = testExecution.GetScoreFilter(theDefinition.ScoreFilter.Name);
             * }
             */

            Bitmap sourceBitmap = SourceImage.Bitmap;
            Bitmap markedBitmap = null;
            PatternMatchOfAvgGrayVariationDefinition theDef = (PatternMatchOfAvgGrayVariationDefinition)Definition();

            if (theDef.mPatternAvgValues == null)
            {
                theDef.LoadPatterns(false);
            }
            Bitmap patternAvgValues    = theDef.mPatternAvgValues;
            Bitmap patternStdDevValues = theDef.mPatternStdDevValues;
            Bitmap patternMinValues    = theDef.mPatternMinValues;
            Bitmap patternMaxValues    = theDef.mPatternMaxValues;

            if (patternAvgValues == null || patternStdDevValues == null || patternMinValues == null || patternMaxValues == null)
            {
                throw new ArgumentException("Pattern to match isn't defined.");
            }

            if (mMarkedImage != null && sourceBitmap != null)
            {
                mMarkedImage.SetImage(new Bitmap(sourceBitmap));
                markedBitmap = mMarkedImage.Bitmap;
                TestExecution().LogMessageWithTimeFromTrigger("Created copy of image for markings");
            }

            long score = 0;

            if (sourceBitmap != null)
            {
                // for LockBits see http://www.bobpowell.net/lockingbits.htm & http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                BitmapData sourceBitmapData              = null;
                BitmapData markedBitmapData              = null;
                BitmapData patternAvgValuesBitmapData    = null;
                BitmapData patternStdDevValuesBitmapData = null;
                BitmapData patternMinValuesBitmapData    = null;
                BitmapData patternMaxValuesBitmapData    = null;

                if (mScoreFilter != null)
                {
                    mScoreFilter.SetImageSize(mSourceImage.Bitmap.Width, mSourceImage.Bitmap.Height);
                }

                try
                {
                    sourceBitmapData              = sourceBitmap.LockBits(new Rectangle(0, 0, sourceBitmap.Width, sourceBitmap.Height), ImageLockMode.ReadOnly, PatternMatchOfAvgGrayVariationDefinition.TRAINING_PIXEL_FORMAT);
                    patternAvgValuesBitmapData    = patternAvgValues.LockBits(new Rectangle(0, 0, patternAvgValues.Width, patternAvgValues.Height), ImageLockMode.ReadOnly, PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternStdDevValuesBitmapData = patternStdDevValues.LockBits(new Rectangle(0, 0, patternStdDevValues.Width, patternStdDevValues.Height), ImageLockMode.ReadOnly, PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMinValuesBitmapData    = patternMinValues.LockBits(new Rectangle(0, 0, patternMinValues.Width, patternMinValues.Height), ImageLockMode.ReadOnly, PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMaxValuesBitmapData    = patternMaxValues.LockBits(new Rectangle(0, 0, patternMaxValues.Width, patternMaxValues.Height), ImageLockMode.ReadOnly, PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    if (markedBitmap != null)
                    {
                        markedBitmapData = markedBitmap.LockBits(new Rectangle(0, 0, markedBitmap.Width, markedBitmap.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
                    }
                    int sourceStride       = sourceBitmapData.Stride;
                    int sourceStrideOffset = sourceStride - (sourceBitmapData.Width * PatternMatchOfAvgGrayVariationDefinition.TRAINING_PIXEL_BYTE_WIDTH);

                    int patternStride       = patternAvgValuesBitmapData.Stride;
                    int patternStrideOffset = patternStride - (patternAvgValuesBitmapData.Width * PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH);

                    int    grayValue;
                    int    grayValue2;
                    long   variation         = 0;
                    long   patternWindow     = 0;
                    long   threshhold        = mVariationThreshhold.ValueAsLong();
                    double sloppiness        = mSloppiness.ValueAsDecimal() / 100.0;
                    long   minWindow         = Math.Max(1, mMinWindow.ValueAsLong());
                    double brightPixelFactor = mBrightPixelFactor.ValueAsDecimal();
                    double darkPixelFactor   = mDarkPixelFactor.ValueAsDecimal();
                    bool   needToMark        = false;
                    long   scoreChange       = 0;
                    int    testPixelVariation;
                    int    minVarForThisPixel;
                    int    maxVarForThisPixel;

                    Point currentPoint = new Point(-1, -1);

                    TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " testing X Axis");
                    mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                    unsafe // see http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                    {
                        byte *sourcePointer;
                        byte *sourcePointer2;
                        byte *markedPointer;
                        byte *patternAvgValuesPointer;
                        byte *patternStdDevValuesPointer;
                        byte *patternMinValuesPointer;
                        byte *patternMaxValuesPointer;

                        while (currentPoint.X != -1 && currentPoint.Y != -1)
                        {
                            scoreChange    = -999;
                            variation      = -999;
                            sourcePointer  = (byte *)sourceBitmapData.Scan0;                                                                                          // init to first byte of image
                            sourcePointer += (currentPoint.Y * sourceStride) + (currentPoint.X * PatternMatchOfAvgGrayVariationDefinition.TRAINING_PIXEL_BYTE_WIDTH); // adjust to current point
                            grayValue      = (int)(0.3 * sourcePointer[2] + 0.59 * sourcePointer[1] + 0.11 * sourcePointer[0]);                                       // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                            // http://www.bobpowell.net/grayscale.htm
                            // https://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=440425&SiteID=1

                            // check pixel above
                            sourcePointer2 = sourcePointer - sourceStride;
                            grayValue2     = (int)(0.3 * sourcePointer2[2] + 0.59 * sourcePointer2[1] + 0.11 * sourcePointer2[0]);                                                 // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).

                            testPixelVariation = grayValue - grayValue2;                                                                                                           // NOTE: using '=' to init varSum for this pixel
                            testPixelVariation = Math.Max(-127, Math.Min(128, testPixelVariation));                                                                                // make sure we stay within 1 byte (0..255)

                            patternAvgValuesPointer  = (byte *)patternAvgValuesBitmapData.Scan0;                                                                                   // init to first byte of image
                            patternAvgValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH);    // adjust to current point

                            patternStdDevValuesPointer  = (byte *)patternStdDevValuesBitmapData.Scan0;                                                                             // init to first byte of image
                            patternStdDevValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point

                            patternMinValuesPointer  = (byte *)patternMinValuesBitmapData.Scan0;                                                                                   // init to first byte of image
                            patternMinValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH);    // adjust to current point
                            minVarForThisPixel       = patternMinValuesPointer[0] - 127;

                            patternMaxValuesPointer  = (byte *)patternMaxValuesBitmapData.Scan0;                                                                                // init to first byte of image
                            patternMaxValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfAvgGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                            maxVarForThisPixel       = patternMaxValuesPointer[0] - 127;

                            patternWindow = maxVarForThisPixel - minVarForThisPixel; // give tight windows more weight in the score
                            patternWindow = Math.Max(minWindow, patternWindow);      // ensure minWindow>0 to prevent divideBy0

                            if (patternWindow > threshhold)
                            {
                                scoreChange      = 0;
                                markedPointer    = (byte *)markedBitmapData.Scan0;
                                markedPointer   += (currentPoint.Y * sourceStride) + (currentPoint.X * PatternMatchOfAvgGrayVariationDefinition.TRAINING_PIXEL_BYTE_WIDTH);
                                markedPointer[3] = Color.Yellow.A;
                                markedPointer[2] = Color.Yellow.R;
                                markedPointer[1] = Color.Yellow.G;
                                markedPointer[0] = Color.Yellow.B;
                            }
                            else
                            {
                                if (testPixelVariation < minVarForThisPixel - sloppiness * patternWindow)
                                {
                                    variation = minVarForThisPixel - testPixelVariation;
                                    //scoreChange = (long)(((variation / patternWindow) + 1) * darkPixelFactor);
                                    scoreChange = (long)(variation * ((variation / (patternWindow / 2)) + 1) * darkPixelFactor);
                                    score      += scoreChange;
                                    needToMark  = true;
                                    TestExecution().LogMessage("Pattern Match score event: " + currentPoint.X + "," + currentPoint.Y + "  dark spot score=" + scoreChange + "  var=" + testPixelVariation + "  min=" + minVarForThisPixel + "  max=" + maxVarForThisPixel + "  window=" + patternWindow + "  var=" + variation);
                                    if (mScoreFilter != null)
                                    {
                                        mScoreFilter.ProcessScore(currentPoint.X, currentPoint.Y, scoreChange);
                                    }
                                }
                                else if (testPixelVariation > maxVarForThisPixel + sloppiness * patternWindow)
                                {
                                    variation = testPixelVariation - maxVarForThisPixel;
                                    //scoreChange = (long)(((variation / patternWindow) + 1) * brightPixelFactor);
                                    scoreChange = (long)(variation * ((variation / (patternWindow / 2)) + 1) * brightPixelFactor);
                                    score      += scoreChange;
                                    needToMark  = true;
                                    TestExecution().LogMessage("Pattern Match score event: " + currentPoint.X + "," + currentPoint.Y + "  bright spot score=" + scoreChange + "  var=" + testPixelVariation + "  min=" + minVarForThisPixel + "  max=" + maxVarForThisPixel + "  window=" + patternWindow + "  var=" + variation);
                                    if (mScoreFilter != null)
                                    {
                                        mScoreFilter.ProcessScore(currentPoint.X, currentPoint.Y, scoreChange);
                                    }
                                }
                                else
                                {
                                    variation   = 0;
                                    scoreChange = 0;
                                    needToMark  = false;
                                }
                                if (needToMark && mMarkedImage != null)
                                {
                                    markedPointer    = (byte *)markedBitmapData.Scan0;
                                    markedPointer   += (currentPoint.Y * sourceStride) + (currentPoint.X * PatternMatchOfAvgGrayVariationDefinition.TRAINING_PIXEL_BYTE_WIDTH);
                                    markedPointer[3] = mMarkColor.A;
                                    markedPointer[2] = mMarkColor.R;
                                    markedPointer[1] = mMarkColor.G;
                                    markedPointer[0] = mMarkColor.B;
                                }
                            }

                            if (mDeepAnalysisEnabled && currentPoint.X >= mDeepAnalysisLeft && currentPoint.X <= mDeepAnalysisRight && currentPoint.Y >= mDeepAnalysisTop && currentPoint.Y <= mDeepAnalysisBottom)
                            {
                                string message = "DEEP ANALYSIS: '" + Name + "' " + currentPoint.X + "," + currentPoint.Y + " ";
                                if (patternWindow > threshhold)
                                {
                                    message += "PATTERN WINDOW > THRESHOLD;";
                                }
                                message += "  score change=" + scoreChange
                                           + "  var=" + testPixelVariation
                                           + "  min=" + minVarForThisPixel
                                           + "  max=" + maxVarForThisPixel
                                           + "  window=" + patternWindow
                                           + "  slop=" + (sloppiness * patternWindow)
                                           + "  marked=" + needToMark
                                ;

                                TestExecution().LogMessage(message);
                            }

                            mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                        }
                    } // end unsafe block
                }
                finally
                {
                    sourceBitmap.UnlockBits(sourceBitmapData);
                    patternAvgValues.UnlockBits(patternAvgValuesBitmapData);
                    patternStdDevValues.UnlockBits(patternStdDevValuesBitmapData);
                    patternMinValues.UnlockBits(patternMinValuesBitmapData);
                    patternMaxValues.UnlockBits(patternMaxValuesBitmapData);
                    if (markedBitmap != null)
                    {
                        markedBitmap.UnlockBits(markedBitmapData);
                    }
                }
            }

            mResult.SetValue(score);
            mResult.SetIsComplete();
            if (mMarkedImage != null)
            {
                mMarkedImage.SetIsComplete();
            }
            TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " completed; score=" + score);
        }
Exemple #9
0
//		public const string AnalysisType = "Color Present Fails";
//		public override string Type() { return AnalysisType; }

        public override void DoWork()
        {
            TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " started");

            Bitmap sourceBitmap = SourceImage.Bitmap;
            Bitmap markedBitmap = null;
            PatternMatchOfGrayValueDefinition theDef = (PatternMatchOfGrayValueDefinition)Definition();

            if (theDef.mPatternMinValues == null || theDef.mPatternMaxValues == null)
            {
                theDef.LoadPatterns(false);
            }
            Bitmap patternMinValues = theDef.mPatternMinValues;
            Bitmap patternMaxValues = theDef.mPatternMaxValues;

            if (patternMinValues == null || patternMaxValues == null)
            {
                throw new ArgumentException("Pattern to match isn't defined.");
            }

            if (mMarkedImage != null && sourceBitmap != null)
            {
                mMarkedImage.SetImage(new Bitmap(sourceBitmap));
                markedBitmap = mMarkedImage.Bitmap;
                TestExecution().LogMessageWithTimeFromTrigger("Created copy of image for markings");
            }

            long score = 0;

            if (sourceBitmap != null)
            {
                // for LockBits see http://www.bobpowell.net/lockingbits.htm & http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                BitmapData sourceBitmapData           = null;
                BitmapData markedBitmapData           = null;
                BitmapData patternMinValuesBitmapData = null;
                BitmapData patternMaxValuesBitmapData = null;


                try
                {
                    sourceBitmapData           = sourceBitmap.LockBits(new Rectangle(0, 0, sourceBitmap.Width, sourceBitmap.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayValueDefinition.TRAINING_PIXEL_FORMAT);
                    patternMinValuesBitmapData = patternMinValues.LockBits(new Rectangle(0, 0, patternMinValues.Width, patternMinValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayValueDefinition.PATTERN_PIXEL_FORMAT);
                    patternMaxValuesBitmapData = patternMaxValues.LockBits(new Rectangle(0, 0, patternMaxValues.Width, patternMaxValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayValueDefinition.PATTERN_PIXEL_FORMAT);
                    if (markedBitmap != null)
                    {
                        markedBitmapData = markedBitmap.LockBits(new Rectangle(0, 0, markedBitmap.Width, markedBitmap.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
                    }
                    int sourceStride       = sourceBitmapData.Stride;
                    int sourceStrideOffset = sourceStride - (sourceBitmapData.Width * PatternMatchOfGrayValueDefinition.TRAINING_PIXEL_BYTE_WIDTH);

                    int patternStride       = patternMinValuesBitmapData.Stride;
                    int patternStrideOffset = patternStride - (patternMinValuesBitmapData.Width * PatternMatchOfGrayValueDefinition.PATTERN_PIXEL_BYTE_WIDTH);

                    Color  color;
                    int    grayValue;
                    long   variation         = 0;
                    long   patternWindow     = 0;
                    long   threshhold        = mVariationThreshhold.ValueAsLong();
                    double sloppiness        = mSloppiness.ValueAsDecimal() / 100.0;
                    long   minWindow         = Math.Max(1, mMinWindow.ValueAsLong());
                    double brightPixelFactor = mBrightPixelFactor.ValueAsDecimal();
                    double darkPixelFactor   = mDarkPixelFactor.ValueAsDecimal();
                    bool   needToMark        = false;
                    long   scoreChange       = 0;

                    Point currentPoint = new Point(-1, -1);

                    TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " testing X Axis");
                    mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                    unsafe // see http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                    {
                        byte *sourcePointer;
                        byte *markedPointer;
                        byte *patternMinValuesPointer;
                        byte *patternMaxValuesPointer;

                        while (currentPoint.X != -1 && currentPoint.Y != -1)
                        {
                            sourcePointer  = (byte *)sourceBitmapData.Scan0;                                                                                   // init to first byte of image
                            sourcePointer += (currentPoint.Y * sourceStride) + (currentPoint.X * PatternMatchOfGrayValueDefinition.TRAINING_PIXEL_BYTE_WIDTH); // adjust to current point
                            color          = Color.FromArgb(sourcePointer[3], sourcePointer[2], sourcePointer[1], sourcePointer[0]);                           // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha
                            grayValue      = (int)(0.3 * color.R + 0.59 * color.G + 0.11 * color.B);                                                           // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                            // http://www.bobpowell.net/grayscale.htm
                            // https://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=440425&SiteID=1

                            patternMinValuesPointer  = (byte *)patternMinValuesBitmapData.Scan0;                                                                         // init to first byte of image
                            patternMinValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfGrayValueDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point

                            patternMaxValuesPointer  = (byte *)patternMaxValuesBitmapData.Scan0;                                                                         // init to first byte of image
                            patternMaxValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfGrayValueDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point

                            patternWindow = patternMaxValuesPointer[0] - patternMinValuesPointer[0];                                                                     // give tight windows more weight in the score
                            patternWindow = Math.Max(minWindow, patternWindow);                                                                                          // ensure minWindow>0 to prevent divideBy0

                            if (patternWindow > threshhold)
                            {
                                markedPointer    = (byte *)markedBitmapData.Scan0;
                                markedPointer   += (currentPoint.Y * sourceStride) + (currentPoint.X * PatternMatchOfGrayValueDefinition.TRAINING_PIXEL_BYTE_WIDTH);
                                markedPointer[3] = Color.Yellow.A;
                                markedPointer[2] = Color.Yellow.R;
                                markedPointer[1] = Color.Yellow.G;
                                markedPointer[0] = Color.Yellow.B;
                            }
                            else
                            {
                                if (grayValue < patternMinValuesPointer[0] - sloppiness * patternWindow)
                                {
                                    variation = patternMinValuesPointer[0] - grayValue;
                                    //scoreChange = (long)(((variation / patternWindow) + 1) * darkPixelFactor);
                                    scoreChange = (long)(variation * ((variation / (patternWindow / 2)) + 1) * darkPixelFactor);
                                    score      += scoreChange;
                                    needToMark  = true;
                                    TestExecution().LogMessage("Pattern Match score event: " + currentPoint.X + "," + currentPoint.Y + "  dark spot score=" + scoreChange + "  gray=" + grayValue + "  min=" + patternMinValuesPointer[0] + "  max=" + patternMaxValuesPointer[0] + "  window=" + patternWindow + "  var=" + variation);
                                }
                                else if (grayValue > patternMaxValuesPointer[0] + sloppiness * patternWindow)
                                {
                                    variation = grayValue - patternMaxValuesPointer[0];
                                    //scoreChange = (long)(((variation / patternWindow) + 1) * brightPixelFactor);
                                    scoreChange = (long)(variation * ((variation / (patternWindow / 2)) + 1) * brightPixelFactor);
                                    score      += scoreChange;
                                    needToMark  = true;
                                    TestExecution().LogMessage("Pattern Match score event: " + currentPoint.X + "," + currentPoint.Y + "  bright spot score=" + scoreChange + "  gray=" + grayValue + "  min=" + patternMinValuesPointer[0] + "  max=" + patternMaxValuesPointer[0] + "  window=" + patternWindow + "  var=" + variation);
                                }
                                else
                                {
                                    needToMark = false;
                                }
                                if (needToMark && mMarkedImage != null)
                                {
                                    markedPointer    = (byte *)markedBitmapData.Scan0;
                                    markedPointer   += (currentPoint.Y * sourceStride) + (currentPoint.X * PatternMatchOfGrayValueDefinition.TRAINING_PIXEL_BYTE_WIDTH);
                                    markedPointer[3] = mMarkColor.A;
                                    markedPointer[2] = mMarkColor.R;
                                    markedPointer[1] = mMarkColor.G;
                                    markedPointer[0] = mMarkColor.B;
                                }
                            }

                            mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                        }
                    } // end unsafe block
                }
                finally
                {
                    sourceBitmap.UnlockBits(sourceBitmapData);
                    patternMinValues.UnlockBits(patternMinValuesBitmapData);
                    patternMaxValues.UnlockBits(patternMaxValuesBitmapData);
                    if (markedBitmap != null)
                    {
                        markedBitmap.UnlockBits(markedBitmapData);
                    }
                }
            }

            mResult.SetValue(score);
            mResult.SetIsComplete();
            if (mMarkedImage != null)
            {
                mMarkedImage.SetIsComplete();
            }
            TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " completed; score=" + score);
        }
        public static readonly int PIXEL_BYTE_WIDTH     = 4; // determined by PixelFormat.Format32bppArgb; http://www.bobpowell.net/lockingbits.htm
        public override void DoWork()
        {
            /* TODO: OPTIMIZATIONS:
             * - compute surfaceNoiseLevel based on image analysis
             * - make debug output to log optional
             * - surface/transition decorations (biggest problem is that there can be a variable number...only for first edge to start?)
             * - for marked image, save decorations...don't copy/paint_on image
             */

            DateTime startTime = DateTime.Now;

            TestExecution().LogMessageWithTimeFromTrigger("[" + Name + "] started at " + startTime + Environment.NewLine);

            int resultX = -1;
            int resultY = -1;

            if (mSourceImage.Bitmap == null)
            {
                TestExecution().LogMessage("ERROR: source image for '" + Name + "' does not exist.");
            }
            else
            {
                Bitmap     sourceBitmap     = SourceImage.Bitmap;
                BitmapData sourceBitmapData = null;


                try
                {
                    sourceBitmapData = sourceBitmap.LockBits(new Rectangle(0, 0, sourceBitmap.Width, sourceBitmap.Height), ImageLockMode.ReadOnly, PIXEL_FORMAT);
                    int sourceStride       = sourceBitmapData.Stride;
                    int sourceStrideOffset = sourceStride - (sourceBitmapData.Width * PIXEL_BYTE_WIDTH);

                    int brightnessThreshold = (int)mBrightnessThreshold.ValueAsLong();

                    Point currentPoint = new Point(-1, -1);
                    mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                    ValueGrouper xGrouper = new ValueGrouper(0, 255, 50);
                    ValueGrouper yGrouper = new ValueGrouper(0, 255, 50);
                    unsafe // see http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                    {
                        byte *sourcePointer;

                        while (currentPoint.X != -1 && currentPoint.Y != -1)
                        {
                            sourcePointer  = (byte *)sourceBitmapData.Scan0;                                                    // init to first byte of image
                            sourcePointer += (currentPoint.Y * sourceStride) + (currentPoint.X * PIXEL_BYTE_WIDTH);             // adjust to current point
                            pixelGrayValue = (int)(0.3 * sourcePointer[2] + 0.59 * sourcePointer[1] + 0.11 * sourcePointer[0]); // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                            // http://www.bobpowell.net/grayscale.htm
                            // https://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=440425&SiteID=1

                            //TestExecution().LogMessage(currentPoint.X + "," + currentPoint.Y + "  " + pixelGrayValue + " " + brightnessThreshold);
                            if (pixelGrayValue >= brightnessThreshold)
                            {
                                xGrouper.AddValue(currentPoint.X);
                                yGrouper.AddValue(currentPoint.Y);
                            }

                            mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                        }
                        TestExecution().LogMessageWithTimeFromTrigger("[" + Name + "] finished analyzing pixels");
                    } // end unsafe block

                    for (int z = 0; z < xGrouper.NumGroups; z++)
                    {
                        ValueGrouper.GroupStats groupStats = xGrouper.GetGroup(z);
                        TestExecution().LogMessage(groupStats.start + " " + groupStats.end + " " + groupStats.count + " " + groupStats.Average());
                    }
                    for (int z = 0; z < yGrouper.NumGroups; z++)
                    {
                        ValueGrouper.GroupStats groupStats = yGrouper.GetGroup(z);
                        TestExecution().LogMessage(groupStats.start + " " + groupStats.end + " " + groupStats.count + " " + groupStats.Average());
                    }
                    ValueGrouper.GroupStats biggestXGroup = xGrouper.BiggestGroupWithNeighbors();
                    if (biggestXGroup != null)
                    {
                        resultX = biggestXGroup.Average();
                    }
                    ValueGrouper.GroupStats biggestYGroup = yGrouper.BiggestGroupWithNeighbors();
                    if (biggestXGroup != null)
                    {
                        resultY = biggestYGroup.Average();
                    }
                }
                catch (Exception e)
                {
                    TestExecution().LogMessageWithTimeFromTrigger("ERROR: Failure in " + Name + "; msg=" + e.Message + " " + Environment.NewLine + e.StackTrace);
                }
                finally
                {
                    sourceBitmap.UnlockBits(sourceBitmapData);
                }
            } // end main block ("else" after all initial setup error checks)
            mBrightSpot_X.SetValue(resultX);
            mBrightSpot_Y.SetValue(resultY);
            mBrightSpot_X.SetIsComplete();
            mBrightSpot_Y.SetIsComplete();
            DateTime doneTime    = DateTime.Now;
            TimeSpan computeTime = doneTime - startTime;

            TestExecution().LogMessageWithTimeFromTrigger(Name + " computed bright spot at " + resultX + "," + resultY);

            if (mAutoSave)
            {
                try
                {
                    string filePath = ((FindBrightestSpotDefinition)Definition()).AutoSavePath;
                    mSourceImage.Save(filePath, Name, true);
                    TestExecution().LogMessageWithTimeFromTrigger("Snapshot saved");
                }
                catch (ArgumentException e)
                {
                    Project().Window().logMessage("ERROR: " + e.Message);
                    TestExecution().LogErrorWithTimeFromTrigger(e.Message);
                }
                catch (Exception e)
                {
                    Project().Window().logMessage("ERROR: Unable to AutoSave snapshot from " + Name + ".  Ensure path valid and disk not full.  Low-level message=" + e.Message);
                    TestExecution().LogErrorWithTimeFromTrigger("Unable to AutoSave snapshot from " + Name + ".  Ensure path valid and disk not full.");
                }
            }

            TestExecution().LogMessageWithTimeFromTrigger(Name + " finished at " + doneTime + "  | took " + computeTime.TotalMilliseconds + "ms");
        }
        public override void DoWork()
        {
            if (mCollectImages)
            {
                try
                {
                    mSourceImage.Save(((PatternMatchOfGrayVariationDefinition)Definition()).LearningPath, Name, true);
                    TestExecution().LogMessageWithTimeFromTrigger(Name + " collected image in learning folder.  Skipping test.");
                }
                catch (ArgumentException e)
                {
                    Project().Window().logMessage("ERROR: " + e.Message);
                    TestExecution().LogErrorWithTimeFromTrigger(e.Message);
                }
                catch (Exception e)
                {
                    string errMsg = "Unable to save collected image.  Ensure path valid and disk not full.";
                    Project().Window().logMessage("ERROR: " + errMsg + "  Low-level message=" + e.Message);
                    TestExecution().LogErrorWithTimeFromTrigger(errMsg);
                }
                mResult.SetValue(score);
                mResult.SetIsComplete();
                return;
            }

            TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " started");

            /*
             * if (Definition(.ScoreFilter != null)
             * {
             *  mScoreFilter = testExecution.GetScoreFilter(theDefinition.ScoreFilter.Name);
             * }
             */

            Bitmap sourceBitmap = SourceImage.Bitmap;
            Bitmap markedBitmap = null;
            PatternMatchOfGrayVariationDefinition theDef = (PatternMatchOfGrayVariationDefinition)Definition();

            if (theDef.mPatternMinDownValues == null || theDef.mPatternMaxDownValues == null)
            {
                theDef.LoadPatterns(false);
            }
            Bitmap patternMinDownValues  = theDef.mPatternMinDownValues;
            Bitmap patternMaxDownValues  = theDef.mPatternMaxDownValues;
            Bitmap patternMinUpValues    = theDef.mPatternMinUpValues;
            Bitmap patternMaxUpValues    = theDef.mPatternMaxUpValues;
            Bitmap patternMinRightValues = theDef.mPatternMinRightValues;
            Bitmap patternMaxRightValues = theDef.mPatternMaxRightValues;
            Bitmap patternMinLeftValues  = theDef.mPatternMinLeftValues;
            Bitmap patternMaxLeftValues  = theDef.mPatternMaxLeftValues;

            if (patternMinDownValues == null || patternMaxDownValues == null)
            {
                throw new ArgumentException("Pattern to match isn't defined.");
            }

            if (mMarkedImage != null && sourceBitmap != null)
            {
                mMarkedImage.SetImage(new Bitmap(sourceBitmap));
                markedBitmap = mMarkedImage.Bitmap;
                TestExecution().LogMessageWithTimeFromTrigger("Created copy of image for markings");
            }

            score = 0;
            if (sourceBitmap != null)
            {
                // for LockBits see http://www.bobpowell.net/lockingbits.htm & http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                BitmapData sourceBitmapData = null;
                BitmapData patternMinDownValuesBitmapData  = null;
                BitmapData patternMaxDownValuesBitmapData  = null;
                BitmapData patternMinUpValuesBitmapData    = null;
                BitmapData patternMaxUpValuesBitmapData    = null;
                BitmapData patternMinRightValuesBitmapData = null;
                BitmapData patternMaxRightValuesBitmapData = null;
                BitmapData patternMinLeftValuesBitmapData  = null;
                BitmapData patternMaxLeftValuesBitmapData  = null;

                if (mScoreFilter != null)
                {
                    mScoreFilter.SetImageSize(mSourceImage.Bitmap.Width, mSourceImage.Bitmap.Height);
                }

                try
                {
                    sourceBitmapData = sourceBitmap.LockBits(new Rectangle(0, 0, sourceBitmap.Width, sourceBitmap.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.TRAINING_PIXEL_FORMAT);
                    patternMinDownValuesBitmapData  = patternMinDownValues.LockBits(new Rectangle(0, 0, patternMinDownValues.Width, patternMinDownValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMaxDownValuesBitmapData  = patternMaxDownValues.LockBits(new Rectangle(0, 0, patternMaxDownValues.Width, patternMaxDownValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMinUpValuesBitmapData    = patternMinUpValues.LockBits(new Rectangle(0, 0, patternMinUpValues.Width, patternMinUpValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMaxUpValuesBitmapData    = patternMaxUpValues.LockBits(new Rectangle(0, 0, patternMaxUpValues.Width, patternMaxUpValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMinRightValuesBitmapData = patternMinRightValues.LockBits(new Rectangle(0, 0, patternMinRightValues.Width, patternMinRightValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMaxRightValuesBitmapData = patternMaxRightValues.LockBits(new Rectangle(0, 0, patternMaxRightValues.Width, patternMaxRightValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMinLeftValuesBitmapData  = patternMinLeftValues.LockBits(new Rectangle(0, 0, patternMinLeftValues.Width, patternMinLeftValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    patternMaxLeftValuesBitmapData  = patternMaxLeftValues.LockBits(new Rectangle(0, 0, patternMaxLeftValues.Width, patternMaxLeftValues.Height), ImageLockMode.ReadOnly, PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_FORMAT);
                    if (markedBitmap != null)
                    {
                        markedBitmapData = markedBitmap.LockBits(new Rectangle(0, 0, markedBitmap.Width, markedBitmap.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
                    }
                    sourceStride = sourceBitmapData.Stride;
                    int sourceStrideOffset = sourceStride - (sourceBitmapData.Width * PatternMatchOfGrayVariationDefinition.TRAINING_PIXEL_BYTE_WIDTH);

                    int patternStride       = patternMinDownValuesBitmapData.Stride;
                    int patternStrideOffset = patternStride - (patternMinDownValuesBitmapData.Width * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH);

                    //Color color;
                    int grayValue;
                    int grayValue2;
                    threshhold        = mVariationThreshhold.ValueAsLong();
                    sloppiness        = mSloppiness.ValueAsDecimal() / 100.0;
                    minWindow         = Math.Max(1, mMinWindow.ValueAsLong());
                    scoreThreshold    = mScoreThreshold.ValueAsLong();
                    brightPixelFactor = mBrightPixelFactor.ValueAsDecimal();
                    darkPixelFactor   = mDarkPixelFactor.ValueAsDecimal();
                    int varSum;
                    int minVarForThisPixel;
                    int maxVarForThisPixel;

                    Point currentPoint = new Point(-1, -1);
                    int   lastX        = -1;
                    int   lastY        = -1;

                    int[] variationArray    = new int[PatternMatchOfGrayVariationDefinition.PixelsPerTest];
                    int   positionsUntested = 0;

                    mFirstAxisScores = new long[sourceBitmap.Width, sourceBitmap.Height];

                    unsafe // see http://www.codeproject.com/csharp/quickgrayscale.asp?df=100&forumid=293759&select=2214623&msg=2214623
                    {
                        byte *sourcePointer;
                        byte *sourcePointer2;

                        byte *patternMinValuesPointer;
                        byte *patternMaxValuesPointer;

                        TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " testing Y Axis");
                        mROI.GetFirstPointOnYAxis(mSourceImage, ref currentPoint);

                        while (currentPoint.X != -1 && currentPoint.Y != -1)
                        {
                            sourcePointer  = (byte *)sourceBitmapData.Scan0;                                                                                       // init to first byte of image
                            sourcePointer += (currentPoint.Y * sourceStride) + (currentPoint.X * PatternMatchOfGrayVariationDefinition.TRAINING_PIXEL_BYTE_WIDTH); // adjust to current point
                            //color = Color.FromArgb(sourcePointer[3], , , ); // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha
                            grayValue = (int)(0.3 * sourcePointer[2] + 0.59 * sourcePointer[1] + 0.11 * sourcePointer[0]);                                         // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                            // http://www.bobpowell.net/grayscale.htm
                            // https://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=440425&SiteID=1

                            // check pixel above
                            sourcePointer2 = sourcePointer - sourceStride;                                                         // TODO: ensure y>0
                            grayValue2     = (int)(0.3 * sourcePointer2[2] + 0.59 * sourcePointer2[1] + 0.11 * sourcePointer2[0]); // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                            varSum         = grayValue - grayValue2;                                                               // NOTE: using '=' to init varSum for this pixel

                            if (currentPoint.X != lastX || currentPoint.Y != lastY + 1)
                            {
                                // init variationArray
                                for (int i = 0; i < PatternMatchOfGrayVariationDefinition.PixelsPerTest; ++i)
                                {
                                    variationArray[i] = PatternMatchOfGrayVariationDefinition.VALUE_NOT_DEFINED;
                                }
                                if (positionsUntested > 0)
                                {
                                    // TODO: if this isn't 0, then mark untested pixels a certain color?
                                    // this should only happen when the ROI is less than PixelsPerTest high at a particular X value
                                    TestExecution().LogMessageWithTimeFromTrigger("WARNING: " + positionsUntested + " pixels were not tested above " + lastX + "," + lastY);
                                }
                                positionsUntested = 0;
                            }

                            // shift variationArray
                            for (int i = 0; i < PatternMatchOfGrayVariationDefinition.PixelsPerTest - 1; ++i)
                            {
                                variationArray[i] = variationArray[i + 1];
                            }

                            // store most recent value
                            variationArray[PatternMatchOfGrayVariationDefinition.PixelsPerTest - 1] = varSum;

                            if (variationArray[0] == PatternMatchOfGrayVariationDefinition.VALUE_NOT_DEFINED)
                            {
                                positionsUntested++;
                            }
                            else
                            {
                                int variationSum = 0;
                                // compute sum variation over X pixel transitions
                                for (int i = 0; i < PatternMatchOfGrayVariationDefinition.PixelsPerTest; ++i)
                                {
                                    variationSum += variationArray[i];
                                }

                                variationSum = Math.Max(-127, Math.Min(128, variationSum)); // make sure we stay within 1 byte (0..255)

                                // test pixel
                                patternMinValuesPointer  = (byte *)patternMinDownValuesBitmapData.Scan0;                                                                         // init to first byte of image
                                patternMinValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                                minVarForThisPixel       = patternMinValuesPointer[0] - 127;

                                patternMaxValuesPointer  = (byte *)patternMaxDownValuesBitmapData.Scan0;                                                                         // init to first byte of image
                                patternMaxValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                                maxVarForThisPixel       = patternMaxValuesPointer[0] - 127;

                                TestPixel(currentPoint.X, currentPoint.Y, variationSum, minVarForThisPixel, maxVarForThisPixel, true);

                                if (positionsUntested > 0)
                                {
                                    // if we missed testing a pixel above us (because it was near an ROI or image top edge where there weren't pixels above it to compute from), we test them here computing in the opposite direction (up values vs down values)

                                    // current pixel - PixelsPerTest = -variationSum
                                    int testPositionY = currentPoint.Y - PatternMatchOfGrayVariationDefinition.PixelsPerTest;
                                    if (testPositionY < 0)
                                    {
                                        throw new ArgumentException("Fatal logic error in test 93420rf");
                                    }

                                    patternMinValuesPointer  = (byte *)patternMinUpValuesBitmapData.Scan0;                                                                          // init to first byte of image
                                    patternMinValuesPointer += (testPositionY * patternStride) + (currentPoint.X * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                                    minVarForThisPixel       = patternMinValuesPointer[0] - 127;

                                    patternMaxValuesPointer  = (byte *)patternMaxUpValuesBitmapData.Scan0;                                                                          // init to first byte of image
                                    patternMaxValuesPointer += (testPositionY * patternStride) + (currentPoint.X * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                                    maxVarForThisPixel       = patternMaxValuesPointer[0] - 127;

                                    TestPixel(currentPoint.X, testPositionY, -variationSum, minVarForThisPixel, maxVarForThisPixel, true);
                                    positionsUntested--;
                                }
                            }

                            lastX = currentPoint.X;
                            lastY = currentPoint.Y;
                            mROI.GetNextPointOnYAxis(mSourceImage, ref currentPoint);
                        }

                        TestExecution().LogMessageWithTimeFromTrigger("PatternMatch " + Name + " testing X Axis");
                        mROI.GetFirstPointOnXAxis(mSourceImage, ref currentPoint);

                        while (currentPoint.X != -1 && currentPoint.Y != -1)
                        {
                            sourcePointer  = (byte *)sourceBitmapData.Scan0;                                                                                       // init to first byte of image
                            sourcePointer += (currentPoint.Y * sourceStride) + (currentPoint.X * PatternMatchOfGrayVariationDefinition.TRAINING_PIXEL_BYTE_WIDTH); // adjust to current point
                            //color = Color.FromArgb(sourcePointer[3], sourcePointer[2], sourcePointer[1], sourcePointer[0]); // Array index 0 is blue, 1 is green, 2 is red, 0 is alpha
                            grayValue = (int)(0.3 * sourcePointer[2] + 0.59 * sourcePointer[1] + 0.11 * sourcePointer[0]);                                         // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                            // http://www.bobpowell.net/grayscale.htm
                            // https://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=440425&SiteID=1

                            // check pixel behind
                            sourcePointer2 = sourcePointer - PatternMatchOfGrayVariationDefinition.TRAINING_PIXEL_BYTE_WIDTH;      // TODO: ensure y>0
                            grayValue2     = (int)(0.3 * sourcePointer2[2] + 0.59 * sourcePointer2[1] + 0.11 * sourcePointer2[0]); // Then, add 30% of the red value, 59% of the green value, and 11% of the blue value, together. .... These percentages are chosen due to the different relative sensitivity of the normal human eye to each of the primary colors (less sensitive to green, more to blue).
                            varSum         = grayValue - grayValue2;                                                               // NOTE: using '=' to init varSum for this pixel

                            if (currentPoint.Y != lastY || currentPoint.X != lastX + 1)
                            {
                                // init variationArray
                                for (int i = 0; i < PatternMatchOfGrayVariationDefinition.PixelsPerTest; ++i)
                                {
                                    variationArray[i] = PatternMatchOfGrayVariationDefinition.VALUE_NOT_DEFINED;
                                }
                                if (positionsUntested > 0)
                                {
                                    // TODO: if this isn't 0, then mark untested pixels a certain color?
                                    // this should only happen when the ROI is less than PixelsPerTest high at a particular X value
                                    TestExecution().LogMessageWithTimeFromTrigger("WARNING: " + positionsUntested + " pixels were not tested behind " + lastX + "," + lastY);
                                }
                                positionsUntested = 0;
                            }

                            // shift variationArray
                            for (int i = 0; i < PatternMatchOfGrayVariationDefinition.PixelsPerTest - 1; ++i)
                            {
                                variationArray[i] = variationArray[i + 1];
                            }

                            // store most recent value
                            variationArray[PatternMatchOfGrayVariationDefinition.PixelsPerTest - 1] = varSum;

                            if (variationArray[0] == PatternMatchOfGrayVariationDefinition.VALUE_NOT_DEFINED)
                            {
                                positionsUntested++;
                            }
                            else
                            {
                                int variationSum = 0;
                                // compute sum variation over X pixel transitions
                                for (int i = 0; i < PatternMatchOfGrayVariationDefinition.PixelsPerTest; ++i)
                                {
                                    variationSum += variationArray[i];
                                }

                                variationSum = Math.Max(-127, Math.Min(128, variationSum)); // make sure we stay within 1 byte (0..255)

                                // test pixel
                                patternMinValuesPointer  = (byte *)patternMinDownValuesBitmapData.Scan0;                                                                         // init to first byte of image
                                patternMinValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                                minVarForThisPixel       = patternMinValuesPointer[0] - 127;

                                patternMaxValuesPointer  = (byte *)patternMaxDownValuesBitmapData.Scan0;                                                                         // init to first byte of image
                                patternMaxValuesPointer += (currentPoint.Y * patternStride) + (currentPoint.X * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                                maxVarForThisPixel       = patternMaxValuesPointer[0] - 127;

                                TestPixel(currentPoint.X, currentPoint.Y, variationSum, minVarForThisPixel, maxVarForThisPixel, false);

                                if (positionsUntested > 0)
                                {
                                    // if we missed testing a pixel behind us (because it was near an ROI or image left edge where there weren't pixels behind it to compute from), we test them here computing in the opposite direction (left values vs right values)

                                    // current pixel - PixelsPerTest = -variationSum
                                    int testPositionX = currentPoint.X - PatternMatchOfGrayVariationDefinition.PixelsPerTest;
                                    if (testPositionX < 0)
                                    {
                                        throw new ArgumentException("Fatal logic error in test 93430rf");
                                    }

                                    patternMinValuesPointer  = (byte *)patternMinUpValuesBitmapData.Scan0;                                                                          // init to first byte of image
                                    patternMinValuesPointer += (currentPoint.Y * patternStride) + (testPositionX * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                                    minVarForThisPixel       = patternMinValuesPointer[0] - 127;

                                    patternMaxValuesPointer  = (byte *)patternMaxUpValuesBitmapData.Scan0;                                                                          // init to first byte of image
                                    patternMaxValuesPointer += (currentPoint.Y * patternStride) + (testPositionX * PatternMatchOfGrayVariationDefinition.PATTERN_PIXEL_BYTE_WIDTH); // adjust to current point
                                    maxVarForThisPixel       = patternMaxValuesPointer[0] - 127;

                                    TestPixel(testPositionX, currentPoint.Y, -variationSum, minVarForThisPixel, maxVarForThisPixel, false);
                                    positionsUntested--;
                                }
                            }

                            lastX = currentPoint.X;
                            lastY = currentPoint.Y;
                            mROI.GetNextPointOnXAxis(mSourceImage, ref currentPoint);
                        }
                    } // end unsafe block
                }
                catch (Exception e)
                {
                    TestExecution().LogMessageWithTimeFromTrigger("ERROR: Failure in " + Name + "; msg=" + e.Message + " " + Environment.NewLine + e.StackTrace);
                }
                finally
                {
                    mFirstAxisScores = null;

                    sourceBitmap.UnlockBits(sourceBitmapData);
                    patternMinDownValues.UnlockBits(patternMinDownValuesBitmapData);
                    patternMaxDownValues.UnlockBits(patternMaxDownValuesBitmapData);
                    patternMinUpValues.UnlockBits(patternMinUpValuesBitmapData);
                    patternMaxUpValues.UnlockBits(patternMaxUpValuesBitmapData);
                    patternMinRightValues.UnlockBits(patternMinRightValuesBitmapData);
                    patternMaxRightValues.UnlockBits(patternMaxRightValuesBitmapData);
                    patternMinLeftValues.UnlockBits(patternMinLeftValuesBitmapData);
                    patternMaxLeftValues.UnlockBits(patternMaxLeftValuesBitmapData);
                    if (markedBitmap != null)
                    {
                        markedBitmap.UnlockBits(markedBitmapData);
                    }
                }
            }

            if (mMarkedImage != null && mScoreFilter.Score > 0)
            {
                mScoreFilter.MarkImage(mMarkedImage.Bitmap, Color.Red);
            }

            mResult.SetValue(score);
            mResult.SetIsComplete();
            if (mMarkedImage != null)
            {
                mMarkedImage.SetIsComplete();
            }
            string msg = "PatternMatch " + Name + " completed; score=" + score;

            TestExecution().LogMessageWithTimeFromTrigger(msg);
            TestExecution().LogSummaryMessage(msg);

            if (score >= mAutoSaveOnScore || mScoreFilter.Score >= mAutoSaveOnCellScore)
            {
                try
                {
                    string filePath = ((PatternMatchOfGrayVariationDefinition)Definition()).AutoSavePath;
                    mSourceImage.Save(filePath, Name, true);
                    if (mMarkedImage != null)
                    {
                        mMarkedImage.Save(filePath, Name, "_marked_" + score + "_" + mScoreFilter.Score);
                    }
                    TestExecution().LogMessageWithTimeFromTrigger("Snapshot saved");
                }
                catch (ArgumentException e)
                {
                    Project().Window().logMessage("ERROR: " + e.Message);
                    TestExecution().LogErrorWithTimeFromTrigger(e.Message);
                }
                catch (Exception e)
                {
                    Project().Window().logMessage("ERROR: Unable to AutoSave snapshot from " + Name + ".  Ensure path valid and disk not full.  Low-level message=" + e.Message);
                    TestExecution().LogErrorWithTimeFromTrigger("Unable to AutoSave snapshot from " + Name + ".  Ensure path valid and disk not full.");
                }
            }
        }