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();
}
}
