/// <summary>
/// Rotates the images with an optimized method when the angle is 90, 180 or 270 degrees.
/// </summary>
/// <param name="target">The target image.</param>
/// <param name="source">The source image.</param>
/// <returns>The <see cref="bool"/></returns>
private bool OptimizedApply(ImageBase <TColor, TPacked> target, ImageBase <TColor, TPacked> source)
{
const float Epsilon = .0001F;
if (Math.Abs(this.Angle) < Epsilon)
{
target.ClonePixels(target.Width, target.Height, source.Pixels);
return(true);
}
if (Math.Abs(this.Angle - 90) < Epsilon)
{
this.Rotate90(target, source);
return(true);
}
if (Math.Abs(this.Angle - 180) < Epsilon)
{
this.Rotate180(target, source);
return(true);
}
if (Math.Abs(this.Angle - 270) < Epsilon)
{
this.Rotate270(target, source);
return(true);
}
return(false);
}
/// <summary>
/// Rotates the images with an optimized method when the angle is 90, 180 or 270 degrees.
/// </summary>
/// <param name="target">The target image.</param>
/// <param name="source">The source image.</param>
/// <returns></returns>
private bool OptimizedApply(ImageBase <T, TP> target, ImageBase <T, TP> source)
{
if (Angle == 0)
{
target.ClonePixels(target.Width, target.Height, source.Pixels);
return(true);
}
if (Angle == 90)
{
this.Rotate90(target, source);
return(true);
}
if (Angle == 180)
{
this.Rotate180(target, source);
return(true);
}
if (Angle == 270)
{
this.Rotate270(target, source);
return(true);
}
return(false);
}
/// <inheritdoc/>
protected override void AfterApply(ImageBase <TColor, TPacked> target, ImageBase <TColor, TPacked> source, Rectangle targetRectangle, Rectangle sourceRectangle)
{
// Copy the pixels over.
if (source.Bounds == target.Bounds && sourceRectangle == targetRectangle)
{
target.ClonePixels(target.Width, target.Height, source.Pixels);
}
}
/// <inheritdoc/>
public override void Apply(ImageBase <TColor, TPacked> target, ImageBase <TColor, TPacked> source, Rectangle targetRectangle, Rectangle sourceRectangle, int startY, int endY)
{
target.ClonePixels(target.Width, target.Height, source.Pixels);
switch (this.FlipType)
{
// No default needed as we have already set the pixels.
case FlipType.Vertical:
this.FlipX(target);
break;
case FlipType.Horizontal:
this.FlipY(target);
break;
}
}
