public void TestBrightnessContrastSaturation()
{
System.Drawing.Bitmap image = new System.Drawing.Bitmap("..\\..\\..\\..\\resources\\papagei.png");
YuvKA.VideoModel.Size size = new YuvKA.VideoModel.Size(image.Width, image.Height);
Frame[] inputFrames = { new Frame(size) };
BrightnessContrastSaturationNode bcsNode = new BrightnessContrastSaturationNode();
// Copy RGB content to the input frame
for (int y = 0; y < size.Height; y++)
{
for (int x = 0; x < size.Width; ++x)
{
inputFrames[0][x, y] = new Rgb(image.GetPixel(x, y).R,
image.GetPixel(x, y).G,
image.GetPixel(x, y).B);
}
}
bcsNode.Contrast = 0.8;
// Process the input frame. Reuse the frames object by writing back to it
Frame[] outputFrames = bcsNode.Process(inputFrames, 0);
// Copy RGB content of the processed frame to the output image
for (int y = 0; y < size.Height; y++)
{
for (int x = 0; x < size.Width; ++x)
{
// Reuse the created image object
image.SetPixel(x, y, System.Drawing.Color.FromArgb(outputFrames[0][x, y].R, outputFrames[0][x, y].G, outputFrames[0][x, y].B));
}
}
image.Save("..\\..\\..\\..\\output\\papagei-bcs-" + (int)(bcsNode.Contrast * 10) + ".png");
// Set contrast to a negative value and brightness to the maximum
bcsNode.Contrast = -0.6;
bcsNode.Brightness = 1;
outputFrames = bcsNode.Process(inputFrames, 0);
for (int y = 0; y < size.Height; y++)
{
for (int x = 0; x < size.Width; ++x)
{
// Reuse the created image object
image.SetPixel(x, y, System.Drawing.Color.FromArgb(outputFrames[0][x, y].R, outputFrames[0][x, y].G, outputFrames[0][x, y].B));
}
}
bcsNode.Brightness = -1;
bcsNode.Process(inputFrames, 0);
image.Save("..\\..\\..\\..\\output\\papagei-bcs-" + (int)(bcsNode.Contrast * 10) + ".png");
}
public void GlobalTest10()
{
MainViewModel mvm = MainViewModelTest.GetInstance();
PipelineViewModel pvm = mvm.PipelineViewModel;
// Step 1: The user clicks "New" to create a new pipeline
mvm.Clear();
Assert.Empty(mvm.Model.Graph.Nodes);
var mock = new Mock <IDragEventInfo>();
// Step 2: Create each type of node once by drag-and-drop
VideoInputNode vin = (VideoInputNode)AddNode <VideoInputNode>(pvm, mock, new Point(10, 30));
AdditiveMergeNode amn = (AdditiveMergeNode)AddNode <AdditiveMergeNode>(pvm, mock, new Point(30, 30));
BlurNode bn = (BlurNode)AddNode <BlurNode>(pvm, mock, new Point(50, 30));
BrightnessContrastSaturationNode bcsn =
(BrightnessContrastSaturationNode)AddNode <BrightnessContrastSaturationNode>(pvm, mock, new Point(70, 30));
ColorInputNode cin = (ColorInputNode)AddNode <ColorInputNode>(pvm, mock, new Point(10, 50));
DelayNode dln = (DelayNode)AddNode <DelayNode>(pvm, mock, new Point(90, 30));
DiagramNode dgn = (DiagramNode)AddNode <DiagramNode>(pvm, mock, new Point(110, 30));
DifferenceNode dfn = (DifferenceNode)AddNode <DifferenceNode>(pvm, mock, new Point(30, 50));
HistogramNode hn = (HistogramNode)AddNode <HistogramNode>(pvm, mock, new Point(50, 50));
ImageInputNode imin = (ImageInputNode)AddNode <ImageInputNode>(pvm, mock, new Point(70, 50));
InverterNode invn = (InverterNode)AddNode <InverterNode>(pvm, mock, new Point(90, 50));
NoiseInputNode nin = (NoiseInputNode)AddNode <NoiseInputNode>(pvm, mock, new Point(110, 50));
OverlayNode on = (OverlayNode)AddNode <OverlayNode>(pvm, mock, new Point(10, 70));
RgbSplitNode rgbsn = (RgbSplitNode)AddNode <RgbSplitNode>(pvm, mock, new Point(30, 70));
WeightedAveragedMergeNode wamn =
(WeightedAveragedMergeNode)AddNode <WeightedAveragedMergeNode>(pvm, mock, new Point(50, 70));
// Step 3: Create the edges
mvm.Model.Graph.AddEdge(vin.Outputs[0], bn.Inputs[0]);
Assert.Equal(vin.Outputs[0], bn.Inputs[0].Source);
amn.Inputs.Add(new Node.Input());
mvm.Model.Graph.AddEdge(vin.Outputs[0], amn.Inputs[0]);
Assert.Equal(vin.Outputs[0], amn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(bn.Outputs[0], dln.Inputs[0]);
Assert.Equal(bn.Outputs[0], dln.Inputs[0].Source);
mvm.Model.Graph.AddEdge(dln.Outputs[0], dfn.Inputs[0]);
Assert.Equal(dln.Outputs[0], dfn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(imin.Outputs[0], dfn.Inputs[1]);
Assert.Equal(imin.Outputs[0], dfn.Inputs[1].Source);
mvm.Model.Graph.AddEdge(dfn.Outputs[0], invn.Inputs[0]);
Assert.Equal(dfn.Outputs[0], invn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(invn.Outputs[0], on.Inputs[0]);
Assert.Equal(invn.Outputs[0], on.Inputs[0].Source);
mvm.Model.Graph.AddEdge(vin.Outputs[0], on.Inputs[1]);
Assert.Equal(vin.Outputs[0], on.Inputs[1].Source);
mvm.Model.Graph.AddEdge(vin.Outputs[0], rgbsn.Inputs[0]);
Assert.Equal(vin.Outputs[0], rgbsn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(rgbsn.Outputs[2], hn.Inputs[0]);
Assert.Equal(rgbsn.Outputs[2], hn.Inputs[0].Source);
}
public void NullableDoublePropertyViewModelTest()
{
// Since this property viewmodel commits its change as soon as the change is made, the commitChange method
// is executed, which requires a working IoC
IoC.GetInstance = IoCAggregator;
NullableDoublePropertyViewModel en = new NullableDoublePropertyViewModel();
BrightnessContrastSaturationNode bcs = new BrightnessContrastSaturationNode();
PropertyDescriptor pd = TypeDescriptor.GetProperties(bcs).Find("contrast", true);
en.Initialize(bcs, pd);
Assert.True(en.SlidersAreEnabled);
Assert.Equal(pd.Attributes.OfType<RangeAttribute>().First().Maximum, en.Maximum);
Assert.Equal(pd.Attributes.OfType<RangeAttribute>().First().Minimum, en.Minimum);
}
public void NullableDoublePropertyViewModelTest()
{
// Since this property viewmodel commits its change as soon as the change is made, the commitChange method
// is executed, which requires a working IoC
IoC.GetInstance = IoCAggregator;
NullableDoublePropertyViewModel en = new NullableDoublePropertyViewModel();
BrightnessContrastSaturationNode bcs = new BrightnessContrastSaturationNode();
PropertyDescriptor pd = TypeDescriptor.GetProperties(bcs).Find("contrast", true);
en.Initialize(bcs, pd);
Assert.True(en.SlidersAreEnabled);
Assert.Equal(pd.Attributes.OfType <RangeAttribute>().First().Maximum, en.Maximum);
Assert.Equal(pd.Attributes.OfType <RangeAttribute>().First().Minimum, en.Minimum);
}
public void ViewlessPipeline()
{
var input = new VideoInputNode {
FileName = new FilePath(@"..\..\..\..\resources\americanFootball_352x240_125.yuv")
};
Node graph = new BrightnessContrastSaturationNode {
Contrast = 10
}; //new BlurNode { Radius = 3 };
graph.Inputs[0].Source = input.Outputs[0];
IObservable <Frame> frames = new PipelineDriver().RenderTicks(new[] { graph }, tickCount: input.TickCount)
.Select(dic => dic[graph.Outputs[0]]);
YuvEncoder.Encode(
@"..\..\..\..\output\ViewlessPipeline_sif.yuv",
frames.ToEnumerable()
);
}
