public void BitmapToPixMapHelper32bpp()
{
// Load Pixmap
var refFile = Path.Combine(TestData.TestDataDirectory, @"Misc\OcctHelper_PixMapToBitmap32bpp.png");
var resultFile = Path.Combine(TestData.TestDataDirectory, @"Misc\OcctHelper_BitmapToPixMap32bpp_TestResult.png");
var bitmap = new Bitmap(refFile);
// Convert to Pixmap
var pixmap = Occt.Helper.PixMapHelper.ConvertFromBitmap(bitmap);
Assert.IsNotNull(pixmap);
// Compare
var refPixMap = new Image_AlienPixMap();
refPixMap.Load(new TCollection_AsciiString(refFile));
var differ = new Image_Diff();
Assert.True(differ.Init(refPixMap, pixmap, false), "Images comparison init failed");
differ.SetColorTolerance(0.0);
differ.SetBorderFilterOn(false);
Assert.AreEqual(0, differ.Compare());
File.Delete(resultFile);
}
//--------------------------------------------------------------------------------------------------
internal static void IsSameViewport(string referenceFilename, double tolerance = 0.05)
{
if (Context.Current.Workspace.NeedsRedraw || Context.Current.Workspace.NeedsImmediateRedraw)
{
Context.Current.WorkspaceController.Invalidate(!Context.Current.Workspace.NeedsRedraw, true);
}
var fullPath = Path.Combine(TestData.TestDataDirectory, referenceFilename);
Directory.CreateDirectory(Path.GetDirectoryName(fullPath));
int width = 0, height = 0;
Context.Current.Viewport.V3dView.Window().Size(ref width, ref height);
// Get screenshot
var screenshot = new Image_AlienPixMap();
screenshot.InitZero(Image_Format.Image_Format_RGB, (ulong)width, (ulong)height);
Context.Current.Viewport.V3dView.ToPixMap(screenshot, (int)width, (int)height);
// Load Reference
var refshot = new Image_AlienPixMap();
if (!refshot.Load(new TCollection_AsciiString(fullPath + ".png")))
{
// Save test result
Assert.True(screenshot.Save(new TCollection_AsciiString(fullPath + "_TestResult.png")), "Test result could not be saved.");
Assert.Fail("Inconclusive: Reference image file could not be loaded: " + fullPath);
return;
}
// Diff
var differ = new Image_Diff();
Assert.True(differ.Init(refshot, screenshot, false), "Images comparison init failed");
differ.SetColorTolerance(tolerance);
differ.SetBorderFilterOn(false);
var result = differ.Compare();
if (result != 0)
{
// Save test result
Assert.True(screenshot.Save(new TCollection_AsciiString(fullPath + "_TestResult.png")), "Test result could not be saved.");
Assert.True(differ.SaveDiffImage(new TCollection_AsciiString(fullPath + "_Difference.png")), "Difference image could not be saved.");
Assert.AreEqual(0, result, "The resulted image differs: " + fullPath);
return;
}
// Equality
// Test was ok, delete result file if any left
TestData.DeleteTestResult(fullPath + "_TestResult.png");
TestData.DeleteTestResult(fullPath + "_Difference.png");
}
public void ImageDiffWithTolerance_OCCT29847()
{
var imageNew = new Image_PixMap();
imageNew.InitTrash(Image_Format.Image_Format_RGB, 1, 1);
imageNew.SetPixelColor(0, 0, new Quantity_Color(0.5, 0.5, 0.5, Quantity_TypeOfColor.Quantity_TOC_RGB));
var imageRef = new Image_PixMap();
imageRef.InitTrash(Image_Format.Image_Format_RGB, 1, 1);
imageRef.SetPixelColor(0, 0, new Quantity_Color(0.6, 0.6, 0.6, Quantity_TypeOfColor.Quantity_TOC_RGB));
var imageDiff = new Image_Diff();
imageDiff.Init(imageRef, imageNew);
Assert.AreEqual(1, imageDiff.Compare());
imageDiff.SetColorTolerance(0.2);
Assert.AreEqual(0, imageDiff.Compare());
}
