private BitmapSource CreateWhiteNoizeBmp(int width, int height)
{
var dataSource = DataSource;
Random rnd = new Random();
int[] pixels = new int[width * height];
for (int i = 0; i < width * height; i++)
{
HsbColor color = new HsbColor(0, 0, Math.Round(5 * rnd.NextDouble()) / 4);
int argb = color.ToArgb();
pixels[i] = argb;
}
//var whiteNoizeBmp = WriteableBitmap.Create(width, height, 96, 96, PixelFormats.Pbgra32, null, pixels, width * 4);
var contentBounds = dataSource.Grid.GetGridBounds();
Viewport2D.SetContentBounds(this, contentBounds);
int[] effectivePixels = CreateConvolutionArray(width, height, pixels);
var filter = new NormalizeFilter();
filter.Filter(effectivePixels, width, height);
var result = WriteableBitmap.Create(width, height, 96, 96, PixelFormats.Pbgra32, null, effectivePixels, width * 4);
//ScreenshotHelper.SaveBitmapToFile(result, "1.png");
return(result);
}
public MainWindow()
{
InitializeComponent();
// The buffer we use
BackgroundImage = new byte[320 * 240];
// We need to pin the foreground buffer to make sure
// the int buffer is aligned in memory.
foregroundBuffer = new int[64 * 48];
foregroundBufferHandle = GCHandle.Alloc(foregroundBuffer, GCHandleType.Pinned);
// Try creating a new image with a custom palette.
List<System.Windows.Media.Color> colors = new List<System.Windows.Media.Color>();
colors.Add(System.Windows.Media.Colors.Red);
colors.Add(System.Windows.Media.Colors.Blue);
colors.Add(System.Windows.Media.Colors.Green);
BitmapPalette myPalette = new BitmapPalette(colors);
// Calculate the stride
int stride = WIDTH * (32 + 7) / 8;
byte[] pixels = new byte[stride * HEIGHT];
// Create bitmap source
_source = WriteableBitmap.Create(
WIDTH,
HEIGHT,
96,
96,
System.Windows.Media.PixelFormats.Pbgra32,
myPalette,
pixels,
stride);
// Create destination writeable bitmap
_destination = new WriteableBitmap(_source);
// Do stuff when window loaded
Loaded += OnLoaded;
// Create fake timer
_tImageStreamEmulator = new Timer(16);
_tImageStreamEmulator.Elapsed += OnNewImageAvailable;
// Start fake stream
_tImageStreamEmulator.Start();
}
void renderClock_Tick(object sender, EventArgs e)
{
try
{
bool stopClock = done;
if (!abort)
{
theImage.Source = WriteableBitmap.Create(width, height, 96, 96, PixelFormats.Bgr32, null, bytes, width * 4);
}
if (stopClock || abort)
{
renderClock.Stop();
}
}
catch (OutOfMemoryException)
{
GC.Collect();
}
}
public BitmapSource Draw()
{
int count = size * size;
int[] pixels = new int[count];
for (int i = 0; i < count; i++)
{
int x = i % size;
int y = i / size;
int pixel = GetColor(xMin + x * (xMax - xMin) / (size - 1),
yMin + y * (yMax - yMin) / (size - 1));
pixels[i] = pixel;
}
var bmp = WriteableBitmap.Create(size, size, 96, 96, PixelFormats.Bgra32, null, pixels, size * 4);
return(bmp);
}
private static ImageSource WpfImage(IImage image)
{
var pinnedArray = GCHandle.Alloc(image.Data, GCHandleType.Pinned);
var addr = pinnedArray.AddrOfPinnedObject();
ImageSource bsource = WriteableBitmap.Create(image.Width, image.Height, 96.0, 96.0,
PixelFormat(image), null, addr, image.DataLen, image.Stride);
GCHandle handle = pinnedArray;
return(bsource);/*
* return new System.Windows.Controls.Image
* {
* Source = bsource,
* Width = image.Width,
* Height = image.Height,
* MaxHeight = image.Height,
* MaxWidth = image.Width,
* Margin = new Thickness(4)
* };*/
/*
* var mip = image.MipMaps.First();
* {
* var mipAddr = addr + mip.DataOffset;
* var mipSource = BitmapSource.Create(mip.Width, mip.Height, 96.0, 96.0,
* PixelFormat(image), null, mipAddr, mip.DataLen, mip.Stride);
* return new System.Windows.Controls.Image
* {
* Source = mipSource,
* Width = mip.Width,
* Height = mip.Height,
* MaxHeight = mip.Height,
* MaxWidth = mip.Width,
* Margin = new Thickness(4)
* };
* }*/
}
