public void TestUndoOperationSized()
{
// Create the objects
Bitmap target = new Bitmap(64, 64);
FastBitmap.ClearBitmap(target, Color.Transparent);
byte[] originalHash = GetHashForBitmap(target);
// Create the test subjects
PlottingPaintUndoGenerator generator = new PlottingPaintUndoGenerator(target, "Pencil");
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.Black, Notifier = generator, Size = 5
};
operation.StartOpertaion();
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.DrawTo(5, 5);
operation.FinishOperation();
// Undo the task
generator.UndoTask.Undo();
byte[] afterUndoHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_AfterUndoSized");
Assert.IsTrue(originalHash.SequenceEqual(afterUndoHash), "After undoing a paint operation's task, its pixels must return to their original state before the operation was applied");
}
public void TestBasicPaintOperation()
{
Bitmap target = new Bitmap(64, 64);
FastBitmap.ClearBitmap(target, Color.Transparent);
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.Black
};
operation.StartOpertaion();
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.FinishOperation();
// Hash of the .png image that represents the target result of the paint operation. Generated through the 'RegisterResultBitmap' method
byte[] goodHash = { 0xC5, 0x6B, 0x5C, 0x6B, 0xB0, 0x12, 0xBD, 0x28, 0xC4, 0x13, 0x8D, 0xAA, 0x5, 0xA1, 0x71, 0x5D, 0x1B, 0xAF, 0x9B, 0x4, 0xE7, 0x85, 0x98, 0x1E, 0xFD, 0xD4, 0x14, 0xC0, 0xB6, 0x36, 0x32, 0xA1 };
byte[] currentHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_BasicPaint");
Assert.IsTrue(goodHash.SequenceEqual(currentHash), "The hash for the paint operation does not match the good hash stored. Verify the output image for an analysis of what went wrong");
}
public void TestSourceOverSizedPaintOperation()
{
Bitmap target = new Bitmap(64, 64);
FastBitmap.ClearBitmap(target, Color.Transparent);
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.FromArgb(127, 0, 0, 0), Size = 5, CompositingMode = CompositingMode.SourceOver
};
operation.StartOpertaion();
Assert.IsTrue(operation.OperationStarted, "After a call to StartOperation(), an operation's OperationStarted property should return true");
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.FinishOperation();
Assert.IsFalse(operation.OperationStarted, "After a call to FinishOperation(), an operation's OperationStarted property should return false");
// Hash of the .png image that represents the target result of the paint operation. Generated through the 'RegisterResultBitmap' method
byte[] goodHash = { 0x95, 0x68, 0xB9, 0xC4, 0x9, 0xB6, 0xC, 0x3C, 0xC5, 0xDE, 0xFB, 0xEB, 0x97, 0x39, 0x21, 0x1F, 0x98, 0x16, 0x24, 0x9B, 0xD4, 0xDB, 0xB, 0xC5, 0xCD, 0x4B, 0xD0, 0xFE, 0xF2, 0xE0, 0x98, 0x7C };
byte[] currentHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_SourceOverSizedPaintBrush");
Assert.IsTrue(goodHash.SequenceEqual(currentHash), "The hash for the paint operation does not match the good hash stored. Verify the output image for an analysis of what went wrong");
}
public void TestSourceOverTransparentOperation()
{
Bitmap target = FrameGenerator.GenerateRandomBitmap(64, 64, 10);
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.FromArgb(127, 0, 0, 0),
CompositingMode = CompositingMode.SourceOver
};
operation.StartOpertaion();
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.DrawTo(5, 5);
operation.FinishOperation();
// Hash of the .png image that represents the target result of the paint operation. Generated through the 'RegisterResultBitmap' method
byte[] goodHash = { 0x7D, 0xBB, 0x8A, 0xAE, 0x0, 0x75, 0x55, 0x54, 0x67, 0xE1, 0x35, 0x90, 0xE2, 0x77, 0xD3, 0xF1, 0xE4, 0xAD, 0xE2, 0xD6, 0xB, 0xDA, 0xCA, 0xB9, 0xDD, 0x64, 0x99, 0x70, 0xFF, 0x69, 0x6D, 0x52 };
byte[] currentHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_SourceOverTransparentPaint");
Assert.IsTrue(goodHash.SequenceEqual(currentHash), "The hash for the paint operation must match the good hash stored");
}
public void TestSourceOverAlphaAccumulationOffTransparentOperation()
{
Bitmap target = FrameGenerator.GenerateRandomBitmap(64, 64, 10);
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.FromArgb(127, 0, 0, 0),
CompositingMode = CompositingMode.SourceOver
};
operation.StartOpertaion(false);
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.DrawTo(5, 5);
operation.FinishOperation();
// Hash of the .png image that represents the target result of the paint operation. Generated through the 'RegisterResultBitmap' method
byte[] goodHash = { 0x7E, 0xCD, 0xAB, 0x2D, 0xB, 0x48, 0x83, 0x2B, 0x1E, 0xCA, 0xA, 0x98, 0x68, 0x58, 0x86, 0x66, 0x67, 0x15, 0x62, 0xDA, 0xC4, 0xB5, 0xE2, 0x8, 0x12, 0xBD, 0x3C, 0x7A, 0xF2, 0x92, 0x80, 0x9 };
byte[] currentHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_SourceOverTransparentPaint_AccumulateAlphaOff");
Assert.IsTrue(goodHash.SequenceEqual(currentHash), "The hash for the paint operation must match the good hash stored");
}
public void TestSourceCopyTransparentOperation()
{
Bitmap target = FrameGenerator.GenerateRandomBitmap(64, 64, 10);
PencilPaintOperation operation = new PencilPaintOperation(target, true)
{
Color = Color.FromArgb(127, 0, 0, 0),
CompositingMode = CompositingMode.SourceCopy
};
operation.StartOpertaion();
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.FinishOperation();
// Hash of the .png image that represents the target result of the paint operation. Generated through the 'RegisterResultBitmap' method
byte[] goodHash = { 0x7C, 0xB0, 0xE9, 0x83, 0x12, 0xC3, 0x13, 0x74, 0x20, 0xCA, 0x40, 0x8E, 0x27, 0x11, 0x8B, 0xF5, 0xE9, 0x5F, 0x33, 0x41, 0xCE, 0x7D, 0x8D, 0x74, 0x76, 0x5C, 0xA6, 0xD1, 0xAB, 0x90, 0x1C, 0x34 };
byte[] currentHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_SourceCopyTransparentPaint");
Assert.IsTrue(goodHash.SequenceEqual(currentHash), "The hash for the paint operation does not match the good hash stored. Verify the output image for an analysis of what went wrong");
}
public void TestSinglePixelPaintOperation()
{
Bitmap target = new Bitmap(64, 64);
FastBitmap.ClearBitmap(target, Color.Transparent);
PencilPaintOperation operation = new PencilPaintOperation(target, true)
{
Color = Color.FromArgb(127, 0, 0, 0),
CompositingMode = CompositingMode.SourceOver
};
operation.StartOpertaion();
operation.MoveTo(5, 5);
operation.DrawTo(5, 5);
operation.FinishOperation();
// Hash of the .png image that represents the target result of the paint operation. Generated through the 'RegisterResultBitmap' method
byte[] goodHash = { 0x9, 0xD8, 0xAD, 0x5, 0x84, 0x5E, 0x98, 0x81, 0x5D, 0x6B, 0xCD, 0x63, 0x74, 0x3A, 0xF8, 0x2A, 0x32, 0x48, 0x90, 0x35, 0x90, 0x21, 0xC7, 0xBA, 0xBF, 0x63, 0xC, 0xD5, 0x1, 0x1F, 0x90, 0x62 };
byte[] currentHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_SinglePlotPaint");
Assert.IsTrue(goodHash.SequenceEqual(currentHash), "The hash for the paint operation does not match the good hash stored. Verify the output image for an analysis of what went wrong");
}
public void TestOutOfBoundsPaintOperation()
{
Bitmap target = new Bitmap(64, 64);
FastBitmap.ClearBitmap(target, Color.Transparent);
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.Black
};
operation.StartOpertaion();
operation.MoveTo(-20, 40);
operation.DrawTo(40, -20);
operation.FinishOperation();
// Hash of the .png image that represents the target result of the paint operation. Generated through the 'RegisterResultBitmap' method
byte[] goodHash = { 0x35, 0xC8, 0x80, 0x21, 0xE7, 0xC1, 0x48, 0x28, 0xA5, 0xA9, 0xDC, 0xF5, 0x2D, 0x1F, 0xBB, 0x8B, 0xE3, 0xBC, 0x3C, 0x80, 0x2B, 0xCC, 0x95, 0x2C, 0xD3, 0xC8, 0xD, 0x52, 0xC2, 0xE5, 0xC2, 0x62 };
byte[] currentHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_OutOfBoundsPaint");
Assert.IsTrue(goodHash.SequenceEqual(currentHash), "The hash for the paint operation does not match the good hash stored. Verify the output image for an analysis of what went wrong");
}
public void TestBasicSizedPaintOperation()
{
Bitmap target = new Bitmap(64, 64);
FastBitmap.ClearBitmap(target, Color.Transparent);
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.Black, Size = 5
};
operation.StartOpertaion();
Assert.IsTrue(operation.OperationStarted, "After a call to StartOperation(), an operation's OperationStarted property should return true");
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.FinishOperation();
Assert.IsFalse(operation.OperationStarted, "After a call to FinishOperation(), an operation's OperationStarted property should return false");
// Hash of the .png image that represents the target result of the paint operation. Generated through the 'RegisterResultBitmap' method
byte[] goodHash = { 0x1B, 0xB1, 0x7D, 0x42, 0x41, 0x93, 0xE5, 0x88, 0xCD, 0xF5, 0xE4, 0x4C, 0x9D, 0xE7, 0x33, 0x15, 0x2C, 0x9C, 0xFD, 0x3B, 0x9D, 0x33, 0x16, 0x25, 0xB0, 0x1A, 0x1B, 0xAF, 0xB1, 0xE3, 0xEA, 0x35 };
byte[] currentHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_BasicSizedPaintBrush");
Assert.IsTrue(goodHash.SequenceEqual(currentHash), "The hash for the paint operation does not match the good hash stored. Verify the output image for an analysis of what went wrong");
}
/// <summary>
/// Starts this pencil operation on a specified point
/// </summary>
/// <param name="point">The point to start this operation on</param>
private void StartOperation(Point point)
{
mouseDown = true;
lastMousePosition = point;
Color penColor = (penId == 0 ? firstColor : secondColor);
pencilOperation.Color = penColor;
pencilOperation.CompositingMode = CompositingMode;
undoGenerator = new PlottingPaintUndoGenerator(pictureBox.Bitmap, undoDecription);
pencilOperation.Notifier = undoGenerator;
pencilOperation.StartOpertaion(accumulateAlpha);
pencilOperation.MoveTo(point.X, point.Y);
DrawPencil(point, null);
}
public void TestOperationNotification()
{
// Setup the test by performing a few pencil strokes
Bitmap target = new Bitmap(64, 64);
FastBitmap.ClearBitmap(target, Color.Transparent);
// Stub a notifier
IPlottingOperationNotifier stubNotifier = MockRepository.GenerateStub <IPlottingOperationNotifier>(null);
// Create the operation and perform it
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.Black,
Notifier = stubNotifier
};
// Perform the operation
operation.StartOpertaion();
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(5, 5);
operation.FinishOperation();
// Test the results
// Test line from 5x5 -> 10x10
for (int i = 5; i <= 10; i++)
{
var i1 = i;
stubNotifier.AssertWasCalled(x => x.PlottedPixel(new Point(i1, i1), Color.Transparent.ToArgb(), Color.Black.ToArgb()));
}
// Test line that goes back from 9x9 -> 5x5, in which the black pixels due to the previous DrawTo() are ignored
for (int i = 5; i < 10; i++)
{
var i1 = i;
stubNotifier.AssertWasNotCalled(x => x.PlottedPixel(new Point(i1, i1), Color.Black.ToArgb(), Color.Black.ToArgb()));
}
}
public void TestRedoOperation_SizedSourceOverAlpha()
{
// Create the objects
Bitmap target = FrameGenerator.GenerateRandomBitmap(64, 64, 10);
// Create the test subjects
PlottingPaintUndoGenerator generator = new PlottingPaintUndoGenerator(target, "Pencil");
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.FromArgb(127, 0, 0, 0),
CompositingMode = CompositingMode.SourceOver,
Size = 5,
Notifier = generator
};
operation.StartOpertaion();
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.DrawTo(5, 5);
operation.FinishOperation();
byte[] originalHash = GetHashForBitmap(target);
// Undo and redo the task back
generator.UndoTask.Undo();
generator.UndoTask.Redo();
byte[] afterRedoHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_AfterRedo_SizedSourceOverAlpha");
Assert.IsTrue(originalHash.SequenceEqual(afterRedoHash), "After redoing a paint operation's task, its pixels must return to their original state after the operation was applied");
}
public void TestUndoOperation_SourceOverAlphaFailing()
{
// Create the objects
Bitmap target = FrameGenerator.GenerateRandomBitmap(64, 64, 10);
byte[] originalHash = GetHashForBitmap(target);
// Create the test subjects
PlottingPaintUndoGenerator generator = new PlottingPaintUndoGenerator(target, "Pencil", keepReplacedUndos: false);
PencilPaintOperation operation = new PencilPaintOperation(target)
{
Color = Color.FromArgb(127, 0, 0, 0),
CompositingMode = CompositingMode.SourceOver,
Notifier = generator
};
operation.StartOpertaion();
operation.MoveTo(5, 5);
operation.DrawTo(10, 10);
operation.DrawTo(15, 17);
operation.DrawTo(20, 25);
operation.DrawTo(25, 37);
operation.DrawTo(5, 5);
operation.FinishOperation();
// Undo the task
generator.UndoTask.Undo();
byte[] afterUndoHash = GetHashForBitmap(target);
RegisterResultBitmap(target, "PencilOperation_AfterUndo_SourceOverAlpha_Failed");
Assert.IsFalse(originalHash.SequenceEqual(afterUndoHash),
"Plotting the same pixel repeatedly with an undo generator that has keepReplacedOriginals should fail, since the redrawn pixels have their undo color replaced");
}