public PreviewImage(BitmapSource image, IColorHandler colorHandler, bool useStdDevStretch, int quality)
{
Image = image;
ColorHandler = colorHandler;
UseStdDevStretch = useStdDevStretch;
Quality = quality;
}
public PreviewImage(BitmapSource image, IColorHandler colorHandler, bool useStdDevStretch, int quality)
{
Image = image;
ColorHandler = colorHandler;
UseStdDevStretch = useStdDevStretch;
Quality = quality;
}
public Visualizer(IColorHandler colorHandler)
{
this.colorHandler = colorHandler;
}
private static unsafe BitmapSource CreateBitmapSource(Grid<int> grid, SQuantizedExtent3D extent, QuantizedStatistics statistics, bool useStdDevStretch, IColorHandler colorHandler, int quality)
{
var ramp = colorHandler as ColorRamp;
var map = colorHandler as ColorMapDistinct;
var bmp = new WriteableBitmap(grid.SizeX, grid.SizeY, 96, 96, System.Windows.Media.PixelFormats.Bgra32, null);
bmp.Lock();
var pBackBuffer = bmp.BackBuffer;
var p = (int*)pBackBuffer;
if (map != null)
{
//CreateColorBufferMap(grid, p, map);
}
else
{
if (ramp == null)
ramp = ColorRamp.PredefinedColorRamps.Grayscale;
var qualityRatio = (float)quality / 100;
var rampSize = (int)(qualityRatio * 300);
StretchBase stretch = null;
if(useStdDevStretch)
stretch = new StdDevStretch(extent.MinZ, extent.MaxZ, statistics, 2);
else
stretch = new MinMaxStretch(extent.MinZ, extent.MaxZ);
var cachedRamp = ramp.CreateCachedRamp(stretch, rampSize);
//var sw = Stopwatch.StartNew();
//int count = 300;
//for (int i = 0; i < count; i++)
{
CreateColorBufferMap(grid, p, cachedRamp);
}
//sw.Stop();
//Context.WriteLine("fps: {0}", (double)1000 * count / sw.ElapsedMilliseconds);
}
bmp.AddDirtyRect(new System.Windows.Int32Rect(0, 0, bmp.PixelWidth, bmp.PixelHeight));
bmp.Unlock();
bmp.Freeze();
return bmp;
}
private static unsafe BitmapSource CreateBitmapSource(Grid <int> grid, SQuantizedExtent3D extent, QuantizedStatistics statistics, bool useStdDevStretch, IColorHandler colorHandler, int quality)
{
var ramp = colorHandler as ColorRamp;
var map = colorHandler as ColorMapDistinct;
var bmp = new WriteableBitmap(grid.SizeX, grid.SizeY, 96, 96, System.Windows.Media.PixelFormats.Bgra32, null);
bmp.Lock();
var pBackBuffer = bmp.BackBuffer;
var p = (int *)pBackBuffer;
if (map != null)
{
//CreateColorBufferMap(grid, p, map);
}
else
{
if (ramp == null)
{
ramp = ColorRamp.PredefinedColorRamps.Grayscale;
}
var qualityRatio = (float)quality / 100;
var rampSize = (int)(qualityRatio * 300);
StretchBase stretch = null;
if (useStdDevStretch)
{
stretch = new StdDevStretch(extent.MinZ, extent.MaxZ, statistics, 2);
}
else
{
stretch = new MinMaxStretch(extent.MinZ, extent.MaxZ);
}
var cachedRamp = ramp.CreateCachedRamp(stretch, rampSize);
//var sw = Stopwatch.StartNew();
//int count = 300;
//for (int i = 0; i < count; i++)
{
CreateColorBufferMap(grid, p, cachedRamp);
}
//sw.Stop();
//Context.WriteLine("fps: {0}", (double)1000 * count / sw.ElapsedMilliseconds);
}
bmp.AddDirtyRect(new System.Windows.Int32Rect(0, 0, bmp.PixelWidth, bmp.PixelHeight));
bmp.Unlock();
bmp.Freeze();
return(bmp);
}
public void UnSubscribe(IColorHandler item)
{
handlers.Remove(item);
}
public void Subscribe(IColorHandler item)
{
handlers.Add(item);
}
