/// <summary>
/// Method called to notify the plotting operation was finished
/// </summary>
/// <param name="pixelHistory">The pixel history tracker containing the information about the pixels that were modified during the operation</param>
public void OperationFinished(PixelHistoryTracker pixelHistory)
{
if (pixelHistory != null && !_registerPixels)
{
UndoTask = new PerPixelUndoTask(_bitmap, _description, pixelHistory);
}
}
public void TestPixelRegistering()
{
// Create the tracker
PixelHistoryTracker tracker = new PixelHistoryTracker(true, 12);
// Add the pixels
tracker.RegisterPixel(5, 5, 0xFF, 0x1F);
var undo = tracker.PixelUndoForPixel(5, 5);
Assert.IsTrue(undo != null && undo.Value.OldColor == 0xFF, "The returned PixelUndo does not contains the undo color that was expected");
}
public void TestPixelCount()
{
// Create the tracker
PixelHistoryTracker tracker = new PixelHistoryTracker(false, 12);
// Add the pixels
tracker.RegisterPixel(5, 5, 0xFF, 0x1F);
tracker.RegisterPixel(6, 5, 0xEF, 0x2F);
tracker.RegisterPixel(7, 5, 0xCF, 0x3F);
Assert.AreEqual(3, tracker.PixelCount, "After consecutive calls to RegisterPixel, the pixel count must match the number of unique pixels provided");
}
/// <summary>
/// Finishes this pencil paint operation
/// </summary>
public override void FinishOperation()
{
base.FinishOperation();
if (useFastBitmap)
{
fastBitmap.Unlock();
fastBitmap.Dispose();
}
// Send notifications
Notifier?.OperationFinished(pixelsDrawn);
pixelsDrawn = null;
}
public void TestDuplicatedPixelUncheckedRegisteringReplaceOriginal()
{
// Create the tracker
PixelHistoryTracker tracker = new PixelHistoryTracker(false, 12);
// Add the pixels
tracker.RegisterUncheckedPixel(5, 5, 0xFF, 0x1F);
tracker.RegisterUncheckedPixel(5, 5, 0xEF, 0x2F);
tracker.RegisterUncheckedPixel(5, 5, 0xCF, 0x3F);
var undo = tracker.PixelUndoForPixel(5, 5);
Assert.IsTrue(undo != null && undo.Value.OldColor == 0xCF,
"The returned PixelUndo does not contains the undo color that was expected. The pixel color must match the color of the last pixel registered RegisterPixel");
}
public void TestClearing()
{
// Create the tracker
PixelHistoryTracker tracker = new PixelHistoryTracker(false, 12);
// Add the pixels
tracker.RegisterPixel(5, 5, 0xFF, 0x1F);
tracker.RegisterPixel(6, 5, 0xEF, 0x2F);
tracker.RegisterPixel(7, 5, 0xCF, 0x3F);
tracker.Clear();
var undo = tracker.PixelUndoForPixel(5, 5);
Assert.IsNull(undo, "After a call to .Clear(), all pixels that were previously stored must be cleared off the PixelHistoryTracker");
}
/// <summary>
/// Starts this pencil paint operation, specifying whethe to accumulate the alpha of the pixels
/// </summary>
/// <param name="accumulateAlpha">Whether to accumulate the trasparency of the pixels as the pencil draws over them repeatedly</param>
public void StartOpertaion(bool accumulateAlpha)
{
base.StartOpertaion();
if (useFastBitmap)
{
fastBitmap = new FastBitmap(targetBitmap);
fastBitmap.Lock();
}
// Ignore alpha accumulation if the color has no transparency
AccumulateAlpha = (accumulateAlpha && Color.A != 255);
if (!AccumulateAlpha)
{
pixelsDrawn = new PixelHistoryTracker(true, targetBitmap.Width);
}
Notifier?.OperationStarted(AccumulateAlpha);
}
