private void Bw_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker me = sender as BackgroundWorker;
int[] a = new int[LedsPerStrip * StripCount];
TransformedBitmap tbmp = null;
System.Drawing.Color[,] grid = new System.Drawing.Color[StripCount, LedsPerStrip];
while (!me.CancellationPending)
{
if (width == 0)
{
viewport_border.Dispatcher.Invoke(() =>
{
PresentationSource source = PresentationSource.FromVisual(this);
width = (int)(viewport.ActualWidth * source.CompositionTarget.TransformToDevice.M11);
height = (int)(viewport.ActualHeight * source.CompositionTarget.TransformToDevice.M22);
if (width != 0)
{
rtb = new RenderTargetBitmap(width, height, 96.0, 96.0, PixelFormats.Pbgra32);
}
});
Thread.Sleep(33);
continue;
}
viewport_border.Dispatcher.Invoke(() =>
{
rtb.Render(viewport_border);
double scalex = LedsPerStrip * 1.0 / width;
double scaley = StripCount * 1.0 / height;
tbmp = new TransformedBitmap(rtb, new ScaleTransform(scalex, scaley));
tbmp.CopyPixels(a, 4 * LedsPerStrip, 0);
});
for (int i = 0; i < StripCount; i++)
{
for (int j = 0; j < LedsPerStrip; j++)
{
grid[i, j] = System.Drawing.Color.FromArgb(a[i * LedsPerStrip + j]);
}
}
_ledWall.SetWall(grid);
Thread.Sleep(33);
}
}
/// <summary>
/// Sets entire wall to a single color
/// </summary>
/// <param name="c"></param>
private void setWallSolidColor(Color c)
{
Color[,] grid = new Color[StripCount, LedsPerStrip];
for (int i = 0; i < grid.GetLength(0); i++)
{
for (int j = 0; j < grid.GetLength(1); j++)
{
grid[i, j] = c;
}
}
_ledWall.SetWall(grid);
//TODO: use "set entire wall" message instead of entire grid
//_ledWall.SetWall(c);
}
private void takeScreenshot(Object state)
{
//Create a new bitmap if necessary
if (frames[frame_idx % frames.Length] == null)
{
frames[frame_idx % frames.Length] = new Bitmap(CapturedScreen.Bounds.Width, CapturedScreen.Bounds.Height, PixelFormat.Format32bppArgb);
}
Bitmap frame = frames[frame_idx % frames.Length];
// Create a graphics object from the bitmap.
var gfxScreenshot = Graphics.FromImage(frame);
// Take the screenshot from the upper left corner to the right bottom corner.
gfxScreenshot.CopyFromScreen(CapturedScreen.Bounds.X, CapturedScreen.Bounds.Y, 0, 0, CapturedScreen.Bounds.Size, CopyPixelOperation.SourceCopy);
Bitmap output = new Bitmap(frame, new Size(LedsPerStrip, StripCount));
Bmp2Grid(grid, output);
_ledWall.SetWall(grid);
}
