public void Render(int[] pixels, int width, int height)
{
byte[] data = null;
if (_scaledData == null)
{
if (_scale == 1.0)
{
_scaledData = _originalData;
}
else
{
int w = (int)(_originalData.Width * _scale);
int h = (int)(_originalData.Height * _scale);
data = BilinearInterpolation.RescaleGrayscale(_originalData.Data, _originalData.Width, _originalData.Height, w, h);
_scaledData = new GrayscalePixelDataU8(w, h, data);
}
}
data = _scaledData.Data;
int ox = (int)(_offsetX * _scale);
int oy = (int)(_offsetY * _scale);
MultiThread.For(0, _scaledData.Height, y => {
for (int i = _scaledData.Width * y, e = i + _scaledData.Width; i < e; i++)
{
if (data[i] > 0)
{
int p = (oy * width) + ox + i;
pixels[p] = _color;
}
}
});
}
public IPixelData Rescale(double scale)
{
int w = (int)(Width * scale);
int h = (int)(Height * scale);
byte[] data = BilinearInterpolation.RescaleGrayscale(_data, Width, Height, w, h);
return(new GrayscalePixelDataU8(w, h, data));
}
/// <inheritdoc />
public IPixelData Rescale(double scale)
{
if (scale == 1.0) return this;
var w = (int)(Width * scale);
var h = (int)(Height * scale);
var data = BilinearInterpolation.RescaleGrayscale(Data, Width, Height, w, h);
return new GrayscalePixelDataS32(w, h, data);
}
/// <inheritdoc />
public IPixelData Rescale(double scale)
{
var w = (int)(Width * scale);
var h = (int)(Height * scale);
if (w == Width && h == Height) return this;
var data = BilinearInterpolation.RescaleGrayscale(Data, Width, Height, w, h);
return new GrayscalePixelDataU16(w, h, data);
}
public IPixelData Rescale(double scale)
{
if (scale == 1.0)
{
return(this);
}
int w = (int)(Width * scale);
int h = (int)(Height * scale);
uint[] data = BilinearInterpolation.RescaleGrayscale(_data, Width, Height, w, h);
return(new GrayscalePixelDataU32(w, h, data));
}
/// <inheritdoc />
public virtual IPixelData Rescale(double scale)
{
var w = (int)(Width * scale);
var h = (int)(Height * scale);
if (w == Width && h == Height)
{
return(this);
}
var data = BilinearInterpolation.RescaleGrayscale(Data, Width, Height, w, h);
return(new GrayscalePixelDataU8(w, h, data));
}