/// <summary>
/// Initializes a new instance of the <see cref="TileBrushCalculator"/> class.
/// </summary>
/// <param name="tileMode">The brush's tile mode.</param>
/// <param name="stretch">The brush's stretch.</param>
/// <param name="alignmentX">The brush's horizontal alignment.</param>
/// <param name="alignmentY">The brush's vertical alignment.</param>
/// <param name="sourceRect">The brush's source rect</param>
/// <param name="destinationRect">The brush's destination rect.</param>
/// <param name="contentSize">The size of the content of the tile brush.</param>
/// <param name="targetSize">The size of the control to which the brush is being rendered.</param>
public TileBrushCalculator(
TileMode tileMode,
Stretch stretch,
AlignmentX alignmentX,
AlignmentY alignmentY,
RelativeRect sourceRect,
RelativeRect destinationRect,
Size contentSize,
Size targetSize)
{
_imageSize = contentSize;
SourceRect = sourceRect.ToPixels(_imageSize);
DestinationRect = destinationRect.ToPixels(targetSize);
var scale = stretch.CalculateScaling(DestinationRect.Size, SourceRect.Size);
var translate = CalculateTranslate(alignmentX, alignmentY, SourceRect, DestinationRect, scale);
IntermediateSize = tileMode == TileMode.None ? targetSize : DestinationRect.Size;
IntermediateTransform = CalculateIntermediateTransform(
tileMode,
SourceRect,
DestinationRect,
scale,
translate,
out _drawRect);
}
