/// <summary>
/// Get average led colour, for Vertical sides of the screen, asynchronous.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private static byte[] GetVerticalSideAsync(SideLedReadingRequest request)
{
var blockY = request.Y / request.SideLedCount;
GetStartAndEndSecondarySide(request.StartFromZero, request.Depth, request.X, out var startX, out var endX);
var ledCount = 0;
var readings = ArrayService.CreateTaskAverageColourArray(request.SideLedCount);
if (request.IsIncremental)
{
int startY;
int endY;
for (var count = 0; count < request.SideLedCount - 1; count++)
{
startY = count * blockY;
endY = startY + blockY;
readings[ledCount++] = GetSectionReading(CreateSectionReadingRequest(request.ScreenPointer, request.Stride, request.BPPModifier, startX, endX, startY, endY));
}
startY = blockY * (request.SideLedCount - 1);
endY = request.Y;
readings[ledCount] = GetSectionReading(CreateSectionReadingRequest(request.ScreenPointer, request.Stride, request.BPPModifier, startX, endX, startY, endY));
}
else
{
var startY = blockY * (request.SideLedCount - 1);
var endY = request.Y;
readings[ledCount++] = GetSectionReading(CreateSectionReadingRequest(request.ScreenPointer, request.Stride, request.BPPModifier, startX, endX, startY, endY));
for (var count = request.SideLedCount - 2; count >= 0; count--)
{
startY = count * blockY;
endY = startY + blockY;
readings[ledCount++] = GetSectionReading(CreateSectionReadingRequest(request.ScreenPointer, request.Stride, request.BPPModifier, startX, endX, startY, endY));
}
}
var averageArray = ArrayService.AwaitTaskAverageColourArray(readings);
var samplingArray = new byte[request.SideLedCount * 3];
for (var readingCount = 0; readingCount < averageArray.Length; readingCount++)
{
samplingArray = ArrayService.AdColourToByteArray(samplingArray, averageArray[readingCount], readingCount);
}
return(samplingArray);
}
private Task <byte[]> SendSideRequestAsync(int screenHeight, int screenWidth, byte depth, byte sideLedCount, int currentLedCount, IntPtr screenPointer, int bppModifier, int stride, bool isIncremental, bool startFromZero, bool isHorizontal)
{
var requestModel = new SideLedReadingRequest
{
Y = screenHeight,
X = screenWidth,
Depth = depth,
SideLedCount = sideLedCount,
CurrentLedCount = currentLedCount,
ScreenPointer = screenPointer,
BPPModifier = bppModifier,
Stride = stride,
ColourArray = ArrayService.CreateByteArray(_screenLedCount),
IsIncremental = isIncremental,
StartFromZero = startFromZero,
IsHorizontal = isHorizontal
};
return(ScreenService.GetSideLEDAsync(requestModel));
}
/// <summary>
/// Get average led colour, for vertical sides of the screen.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private static byte[] GetVerticalSide(SideLedReadingRequest request)
{
var blockY = request.Y / request.SideLedCount;
var sectionRequest = CreateSectionReadingRequest(request);
GetStartAndEndSecondarySide(request.StartFromZero, request.Depth, request.X, out var start, out var end);
sectionRequest.StartX = start;
sectionRequest.EndX = end;
if (request.IsIncremental)
{
for (var count = 0; count < request.SideLedCount - 1; count++)
{
sectionRequest.StartY = count * blockY;
sectionRequest.EndY = sectionRequest.StartY + blockY;
request.ColourArray =
ArrayService.AdColourToByteArray(request.ColourArray, GetSectionLED(sectionRequest), request.CurrentLedCount++);
}
sectionRequest.StartY = blockY * (request.SideLedCount - 1);
sectionRequest.EndY = request.Y;
request.ColourArray =
ArrayService.AdColourToByteArray(request.ColourArray, GetSectionLED(sectionRequest), request.CurrentLedCount++);
}
else
{
sectionRequest.StartY = blockY * (request.SideLedCount - 1);
sectionRequest.EndY = request.Y;
request.ColourArray =
ArrayService.AdColourToByteArray(request.ColourArray, GetSectionLED(sectionRequest), request.CurrentLedCount++);
for (var count = request.SideLedCount - 2; count >= 0; count--)
{
sectionRequest.StartY = count * blockY;
sectionRequest.EndY = sectionRequest.StartY + blockY;
request.ColourArray =
ArrayService.AdColourToByteArray(request.ColourArray, GetSectionLED(sectionRequest), request.CurrentLedCount++);
}
}
return(request.ColourArray);
}
public static Task <byte[]> GetSideLEDAsync(SideLedReadingRequest request)
{
return(Task.Run(() => request.IsHorizontal ? GetHorizontalSideAsync(request) : GetVerticalSideAsync(request)));
}
public static byte[] GetSideLED(SideLedReadingRequest request)
{
return(request.IsHorizontal ? GetHorizontalSide(request) : GetVerticalSide(request));
}
