private unsafe void UpdatePreview()
{
if ((bool)MPCheckBox.IsChecked)
{
MatrixFrame.Pixel[,] frameData = frame.GetFrame();
try
{
MatrixBitmap.Lock();
int stride = MatrixBitmap.BackBufferStride;
for (int x = 0; x < frame.Width; x++)
{
for (int y = 0; y < frame.Height; y++)
{
int pixelAddress = (int)MatrixBitmap.BackBuffer;
pixelAddress += (y * stride);
pixelAddress += (x * 4);
int color_data = frameData[x, y].R << 16; // R
color_data |= frameData[x, y].G << 8; // G
color_data |= frameData[x, y].B << 0; // B
*((int *)pixelAddress) = color_data;
}
}
MatrixBitmap.AddDirtyRect(new Int32Rect(0, 0, frame.Width, frame.Height));
}
finally
{
MatrixBitmap.Unlock();
}
}
}
byte[] GetOrderedSerialFrame(MatrixFrame frame)
{
MatrixFrame.Pixel[,] pixelArray = frame.GetFrame();
byte[] orderedFrame = new byte[frame.Width * frame.Height * 3];
int index = 0;
int startX = pixelOrder.startCorner == StartCorner.TR || pixelOrder.startCorner == StartCorner.BR ? frame.Width - 1 : 0;
int termX = pixelOrder.startCorner == StartCorner.TR || pixelOrder.startCorner == StartCorner.BR ? -1 : frame.Width;
int incX = pixelOrder.startCorner == StartCorner.TR || pixelOrder.startCorner == StartCorner.BR ? -1 : 1;
int startY = pixelOrder.startCorner == StartCorner.BL || pixelOrder.startCorner == StartCorner.BR ? frame.Height - 1 : 0;
int termY = pixelOrder.startCorner == StartCorner.BL || pixelOrder.startCorner == StartCorner.BR ? -1 : frame.Height;
int incY = pixelOrder.startCorner == StartCorner.BL || pixelOrder.startCorner == StartCorner.BR ? -1 : 1;
if (pixelOrder.orientation == Orientation.HZ)
{
for (int y = startY; y != termY; y += incY)
{
for (int x = startX; x != termX; x += incX)
{
int xPos = pixelOrder.newLine == NewLine.SC || y % 2 == 0 ? x : frame.Width - 1 - x;
orderedFrame[index * 3] = pixelArray[xPos, y].R;
orderedFrame[index * 3 + 1] = pixelArray[xPos, y].G;
orderedFrame[index * 3 + 2] = pixelArray[xPos, y].B;
index++;
}
}
}
else
{
for (int x = startX; x != termX; x += incX)
{
for (int y = startY; y != termY; y += incY)
{
int yPos = pixelOrder.newLine == NewLine.SC || x % 2 == 0 ? y : frame.Height - 1 - y;
orderedFrame[index * 3] = pixelArray[x, yPos].R;
orderedFrame[index * 3 + 1] = pixelArray[x, yPos].G;
orderedFrame[index * 3 + 2] = pixelArray[x, yPos].B;
index++;
}
}
}
return(orderedFrame);
}
