public cImage ApplyXbrz(int scale)
{
var result = new cImage(this.Width * scale, this.Height * scale);
switch (scale)
{
case 2:
libXBRz.ScaleImage(libXBRz.ScaleSize.TIMES2, this.GetImageData(), result.GetImageData(), Width, Height, 0, 0, Width, Height);
break;
case 3:
libXBRz.ScaleImage(libXBRz.ScaleSize.TIMES3, this.GetImageData(), result.GetImageData(), Width, Height, 0, 0, Width, Height);
break;
case 4:
libXBRz.ScaleImage(libXBRz.ScaleSize.TIMES4, this.GetImageData(), result.GetImageData(), Width, Height, 0, 0, Width, Height);
break;
case 5:
libXBRz.ScaleImage(libXBRz.ScaleSize.TIMES5, this.GetImageData(), result.GetImageData(), Width, Height, 0, 0, Width, Height);
break;
default:
break;
}
return(result);
}
/// <summary>
/// Applies the XBR pixel scaler.
/// </summary>
/// <param name="type">The type of scaler to use.</param>
/// <param name="filterRegion">The filter region, if any.</param>
/// <returns>
/// The rescaled image.
/// </returns>
public cImage ApplyScaler(XbrzScalerType type, Rectangle? filterRegion = null) {
var info = GetPixelScalerInfo(type);
var scaleX = info.Item1;
var scaleY = info.Item2;
var scaler = info.Item3;
if (filterRegion == null)
filterRegion = new Rectangle(0, 0, this.Width, this.Height);
var result = new cImage(this.Width * scaleX, this.Height * scaleY);
// TODO: generic pixel loop
scaler(this.GetImageData(), result.GetImageData(), this.Width, this.Height, filterRegion.Value.Left, filterRegion.Value.Top, filterRegion.Value.Right, filterRegion.Value.Bottom);
return (result);
}
/// <summary>
/// Applies the XBR pixel scaler.
/// </summary>
/// <param name="type">The type of scaler to use.</param>
/// <param name="filterRegion">The filter region, if any.</param>
/// <returns>
/// The rescaled image.
/// </returns>
public cImage ApplyScaler(XbrzScalerType type, Rectangle?filterRegion = null)
{
var info = GetPixelScalerInfo(type);
var scaleX = info.Item1;
var scaleY = info.Item2;
var scaler = info.Item3;
if (filterRegion == null)
{
filterRegion = new Rectangle(0, 0, this.Width, this.Height);
}
var result = new cImage(this.Width * scaleX, this.Height * scaleY);
// TODO: generic pixel loop
scaler(this.GetImageData(), result.GetImageData(), this.Width, this.Height, filterRegion.Value.Left, filterRegion.Value.Top, filterRegion.Value.Right, filterRegion.Value.Bottom);
return(result);
}
private cImage _RunLoop(Rectangle?filterRegion, byte scaleX, byte scaleY, Action <PixelWorker <sPixel> > scaler)
{
var startX = filterRegion == null ? 0 : Math.Max(0, filterRegion.Value.Left);
var startY = filterRegion == null ? 0 : Math.Max(0, filterRegion.Value.Top);
var endX = filterRegion == null ? this.Width : Math.Min(this.Width, filterRegion.Value.Right);
var endY = filterRegion == null ? this.Height : Math.Min(this.Height, filterRegion.Value.Bottom);
var width = endX - startX;
var result = new cImage(width * scaleX, (endY - startY) * scaleY);
Parallel.ForEach(
Partitioner.Create(startY, endY),
() => 0,
(range, _, threadStorage) => {
var threadSrcMinY = range.Item1;
var threadSrcMaxY = range.Item2;
var targetY = (threadSrcMinY - startY) * scaleY;
for (var sourceY = threadSrcMinY; sourceY < threadSrcMaxY; ++sourceY)
{
var worker = new PixelWorker <sPixel>(
i => this.GetImageData()[i],
startX,
sourceY,
this._width,
this._height,
this._width,
this._horizontalOutOfBoundsHandler,
this._verticalOutOfBoundsHandler,
(i, c) => result.GetImageData()[i] = c,
0,
targetY,
result._width
);
var xRange = width;
while (xRange >= 64)
{
xRange -= 64;
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
}
for (; xRange > 0; --xRange)
{
scaler(worker);
worker.IncrementX(scaleX);
}
targetY += scaleY;
}
return(threadStorage);
},
_ => { }
);
return(result);
}
private cImage _RunLoop(Rectangle? filterRegion, byte scaleX, byte scaleY, Action<PixelWorker<sPixel>> scaler) {
var startX = filterRegion == null ? 0 : Math.Max(0, filterRegion.Value.Left);
var startY = filterRegion == null ? 0 : Math.Max(0, filterRegion.Value.Top);
var endX = filterRegion == null ? this.Width : Math.Min(this.Width, filterRegion.Value.Right);
var endY = filterRegion == null ? this.Height : Math.Min(this.Height, filterRegion.Value.Bottom);
var width = endX - startX;
var result = new cImage(width * scaleX, (endY - startY) * scaleY);
Parallel.ForEach(
Partitioner.Create(startY, endY),
() => 0,
(range, _, threadStorage) => {
var threadSrcMinY = range.Item1;
var threadSrcMaxY = range.Item2;
var targetY = (threadSrcMinY - startY) * scaleY;
for (var sourceY = threadSrcMinY; sourceY < threadSrcMaxY;++sourceY) {
var worker=new PixelWorker<sPixel>(
this.GetImageData(),
startX,
sourceY,
this._width,
this._height,
this._horizontalOutOfBoundsHandler,
this._verticalOutOfBoundsHandler,
result.GetImageData(),
0,
targetY,
result._width
);
var xRange=width;
while(xRange>=64){
xRange-=64;
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
scaler(worker);
worker.IncrementX(scaleX);
}
for (; xRange>0;--xRange) {
scaler(worker);
worker.IncrementX(scaleX);
}
targetY += scaleY;
}
return (threadStorage);
},
_ => { }
);
return(result);
}