/// <inheritdoc/>
public override void Blit(Surface2D dst, Point2 position, SurfaceFlipDirection direction)
{
Contract.EnsureNotDisposed(this, Disposed);
Contract.Require(dst, nameof(dst));
Ultraviolet.ValidateResource(dst);
BlitInternal(this, (SDL2Surface2D)dst, position, direction);
}
/// <inheritdoc/>
public override void Flip(SurfaceFlipDirection direction)
{
switch (direction)
{
case SurfaceFlipDirection.Horizontal:
FlipHAndProcessAlpha(premultiply: false, keycolor: null);
break;
case SurfaceFlipDirection.Vertical:
FlipVAndProcessAlpha(premultiply: false, keycolor: null);
break;
case SurfaceFlipDirection.None:
return;
}
}
/// <inheritdoc/>
public override void FlipAndProcessAlpha(SurfaceFlipDirection direction, Boolean premultiply, Color?keycolor)
{
switch (direction)
{
case SurfaceFlipDirection.Horizontal:
FlipHAndProcessAlpha(premultiply: premultiply, keycolor: keycolor);
break;
case SurfaceFlipDirection.Vertical:
FlipVAndProcessAlpha(premultiply: premultiply, keycolor: keycolor);
break;
case SurfaceFlipDirection.None:
ProcessAlpha(premultiply, keycolor);
return;
}
}
/// <inheritdoc/>
public override void FlipAndProcessAlpha(SurfaceFlipDirection direction, Boolean premultiply, Color?keycolor)
{
Contract.EnsureNotDisposed(this, Disposed);
nativesurf.FlipAndProcessAlpha(direction, premultiply, keycolor);
}
/// <inheritdoc/>
public override void Flip(SurfaceFlipDirection direction)
{
Contract.EnsureNotDisposed(this, Disposed);
nativesurf.Flip(direction);
}
/// <summary> /// Blits the surface onto the specified destination surface at the given location relative /// to the destination's top-left corner, optionally flipping this surface in the process. /// </summary> /// <param name="dst">The destination surface.</param> /// <param name="position">The position at which to blit the surface.</param> /// <param name="direction">The direction in which to flip the surface.</param> public abstract void Blit(Surface2D dst, Point2 position, SurfaceFlipDirection direction);
/// <summary> /// Flips the surface in the specified direction and processes its alpha, optionally premultiplying it /// and performing color keying. If the surface is already premultiplied, it will not be premultiplied again. /// </summary> /// <param name="direction">A <see cref="SurfaceFlipDirection"/> value which specifies the /// direction in which to flip the surface.</param> /// <param name="premultiply">A value indicating whether to premultiply the surface's alpha.</param> /// <param name="keycolor">A key color to substitute with a transparent color.</param> public abstract void FlipAndProcessAlpha(SurfaceFlipDirection direction, Boolean premultiply, Color?keycolor = null);
/// <summary> /// Flips the surface in the specified direction. /// </summary> /// <param name="direction">A <see cref="SurfaceFlipDirection"/> value which specifies the /// direction in which to flip the surface.</param> public abstract void Flip(SurfaceFlipDirection direction);
