private void InternalConstructor(Bitmap bmp) { if (bmp == null) { throw new ArgumentNullException("Bitmap passed in is null"); } _colors = new IColor[bmp.Width, bmp.Height]; _metadataInfo = new MetadataInfo(bmp.PropertyItems); //Verify that metadata correctly set the DPI //In the case where no dpi meta is stored with the image it defaults to the screen resolution //we fix that here in the metadata info Point metaDpi = MetadataInfoHelper.GetDpi(_metadataInfo); Point bmpDpi = new Point((int)Math.Round(bmp.HorizontalResolution), (int)Math.Round(bmp.VerticalResolution)); if (!metaDpi.Equals(bmpDpi)) { MetadataInfoHelper.SetDpi(_metadataInfo, bmpDpi); } ImageUtility image = null; try { image = new ImageUtility(bmp); // Conversion to 32 bits done internally. image.GetSetPixelUnsafeBegin(); byte[] BGRAStream = image.GetStreamBufferBGRA(); image.GetSetPixelUnsafeRollBack(); int size = BGRAStream.Length; for (int index = 0, x = 0, y = 0; index < size; index += 4, x++) // flat array to remove the cost of the computation (x + y *x) { if (x >= Width) { x = 0; y++; } _colors[x, y] = new ColorByte(BGRAStream[index + 3], BGRAStream[index + 2], BGRAStream[index + 1], BGRAStream[index]); if (_colors[x, y].ARGB == 0) { _colors[x, y].IsEmpty = true; } } BGRAStream = null; } finally { if (image != null) { image.Dispose(); image = null; } GC.Collect(GC.MaxGeneration); } }
private void DoVscanCompare(object asyncData) { AsyncData data = asyncData as AsyncData; if (data == null) { throw new ArgumentException("Parameter passed in to the Method not of type AsyncData (or null)", "asyncData"); } ImageComparator ic = new ImageComparator(); ic.Curve.CurveTolerance.LoadTolerance(data.ToleranceSettings.XmlNodeTolerance); IImageAdapter masterAdapter = new ImageAdapter(data.MasterImage); IImageAdapter capturedAdapter = new ImageAdapter(data.CapturedImage); // compare Master to the Capture image using the Compare overload that will scale the images size accounting for the DPI data.Result.Succeeded = ic.Compare(masterAdapter, MetadataInfoHelper.GetDpi(masterAdapter), capturedAdapter, MetadataInfoHelper.GetDpi(capturedAdapter), false); if (data.Result.Succeeded == false) { Microsoft.Test.Logging.GlobalLog.LogStatus("Regular comparison failed"); } // On filaure, check if user whats to filter the image ( IgnoreAntiAliasing will do ) IImageAdapter masterFiltered = null; IImageAdapter captureFiltered = null; if (data.Result.Succeeded == false && data.ToleranceSettings.Filter != null) { // first save error diff image string errorDiffName = ".\\ErrorDiff_" + data.Index + IMAGE_EXTENSION; ImageUtility.ToImageFile(ic.GetErrorDifference(ErrorDifferenceType.IgnoreAlpha), errorDiffName); Microsoft.Test.Logging.GlobalLog.LogFile(errorDiffName); // Compare failed, filter the images and retry Microsoft.Test.Logging.GlobalLog.LogStatus("Filtering and recompare"); masterFiltered = data.ToleranceSettings.Filter.Process(masterAdapter); captureFiltered = data.ToleranceSettings.Filter.Process(capturedAdapter); data.Result.Succeeded = ic.Compare(masterFiltered, captureFiltered, false); if (data.Result.Succeeded == false) { Microsoft.Test.Logging.GlobalLog.LogStatus("==> Filtered comparison failed as well"); } } if (data.Result.Succeeded) { Microsoft.Test.Logging.GlobalLog.LogStatus("Comparison SUCCEEDED."); } else { // Save Masters * filtered master for easy analysis string masterName = ".\\Master_" + data.Index + IMAGE_EXTENSION; data.MasterImage.Save(masterName, System.Drawing.Imaging.ImageFormat.Tiff); Microsoft.Test.Logging.GlobalLog.LogFile(masterName); if (masterFiltered != null) { string filteredMasterName = ".\\MasterFiltered_" + data.Index + IMAGE_EXTENSION; using (Bitmap filteredMaster = ImageUtility.ToBitmap(masterFiltered)) { SetMetadataToImage(filteredMaster); filteredMaster.Save(filteredMasterName, System.Drawing.Imaging.ImageFormat.Tiff); } Microsoft.Test.Logging.GlobalLog.LogFile(filteredMasterName); } // Save rendered image (as "Actual_n") for easy analysis string capturedName = ".\\Actual_" + data.Index + IMAGE_EXTENSION; data.CapturedImage.Save(capturedName, System.Drawing.Imaging.ImageFormat.Tiff); Microsoft.Test.Logging.GlobalLog.LogFile(capturedName); // Save actual filtered for easy analysis if (captureFiltered != null) { string filteredRenderedName = ".\\ActualFiltered_" + data.Index + IMAGE_EXTENSION; using (Bitmap filteredRendered = ImageUtility.ToBitmap(captureFiltered)) { SetMetadataToImage(filteredRendered); filteredRendered.Save(filteredRenderedName, System.Drawing.Imaging.ImageFormat.Tiff); } Microsoft.Test.Logging.GlobalLog.LogFile(filteredRenderedName); } // Master might need to be updated, save with correct name and metadata // // In this image, encode full criteria string name = System.IO.Path.GetFileName(data.MasterName); string originalName = name.Replace(IMAGE_EXTENSION, "_FullCtriteria" + IMAGE_EXTENSION); Microsoft.Test.Logging.GlobalLog.LogStatus("Saving master with all criteria (new master) as '" + originalName + "'"); SetMetadataToImage(data.CapturedImage); data.CapturedImage.Save(originalName, System.Drawing.Imaging.ImageFormat.Tiff); Microsoft.Test.Logging.GlobalLog.LogFile(originalName); // // In this image, encode only criteria that match the master string originalNameFull = name.Replace(IMAGE_EXTENSION, "_MatchingCriteria" + IMAGE_EXTENSION); Microsoft.Test.Logging.GlobalLog.LogStatus("Saving master with matching criteria encoded (to replace previous master) as '" + originalNameFull + "'"); MasterMetadata metadata = ImageMetadata.MetadataFromImage(data.MasterImage); // Keep master Criteria but update its Description. IMasterDimension[] keys = new IMasterDimension[metadata.Description.Count]; metadata.Description.Keys.CopyTo(keys, 0); for (int t = 0; t < keys.Length; t++) { metadata.Description[keys[t]] = keys[t].GetCurrentValue(); } ImageMetadata.SetMetadataToImage(metadata, data.CapturedImage); data.CapturedImage.Save(originalNameFull, System.Drawing.Imaging.ImageFormat.Tiff); Microsoft.Test.Logging.GlobalLog.LogFile(originalNameFull); // first save error diff image string errorDiffFilterName = ".\\ErrorDiffFiltered_" + data.Index + IMAGE_EXTENSION; if (data.ToleranceSettings.Filter == null) { // Not filter were applied, change name (so it's not confusing) errorDiffFilterName = ".\\ErrorDiff_" + data.Index + IMAGE_EXTENSION; } ImageUtility.ToImageFile(ic.GetErrorDifference(ErrorDifferenceType.IgnoreAlpha), errorDiffFilterName); Microsoft.Test.Logging.GlobalLog.LogFile(errorDiffFilterName); } data.Result.IsCompleted = true; if (data.SynchronizationObject != null) { data.SynchronizationObject.Set(); } }