public virtual void GetBounds(out Rect outBounds, Matrix3X3 parentMatrix)
{
_matrix.Set(parentMatrix);
if (_transformAnimation != null)
{
_matrix = MatrixExt.PreConcat(_matrix, _transformAnimation.Matrix);
}
RectExt.Set(ref _rect, 0, 0, 0, 0);
for (var i = _contents.Count - 1; i >= 0; i--)
{
if (_contents[i] is IDrawingContent drawingContent)
{
drawingContent.GetBounds(out _rect, _matrix);
if (outBounds.IsEmpty)
{
RectExt.Set(ref outBounds, _rect);
}
else
{
RectExt.Set(ref outBounds,
Math.Min(outBounds.Left, _rect.Left),
Math.Min(outBounds.Top, _rect.Top),
Math.Max(outBounds.Right, _rect.Right),
Math.Max(outBounds.Bottom, _rect.Bottom));
}
}
}
}
public void Draw(BitmapCanvas canvas, DenseMatrix parentMatrix, byte alpha)
{
var copies = _copies.Value.Value;
var offset = _offset.Value.Value;
var startOpacity = _transform.StartOpacity.Value.Value / 100f;
var endOpacity = _transform.EndOpacity.Value.Value / 100f;
for (var i = (int)copies - 1; i >= 0; i--)
{
_matrix.Set(parentMatrix);
_matrix = MatrixExt.PreConcat(_matrix, _transform.GetMatrixForRepeater(i + offset));
float newAlpha = alpha * MiscUtils.Lerp(startOpacity, endOpacity, i / copies);
_contentGroup.Draw(canvas, _matrix, (byte)newAlpha);
}
}
public virtual void Draw(BitmapCanvas canvas, Matrix3X3 parentMatrix, byte parentAlpha)
{
_matrix.Set(parentMatrix);
byte alpha;
if (_transformAnimation != null)
{
_matrix = MatrixExt.PreConcat(_matrix, _transformAnimation.Matrix);
alpha = (byte)(_transformAnimation.Opacity.Value / 100f * parentAlpha / 255f * 255);
}
else
{
alpha = parentAlpha;
}
for (var i = _contents.Count - 1; i >= 0; i--)
{
var drawingContent = _contents[i] as IDrawingContent;
drawingContent?.Draw(canvas, _matrix, alpha);
}
}
public void Concat(DenseMatrix parentMatrix)
{
_matrix = MatrixExt.PreConcat(_matrix, parentMatrix);
}
public void Concat(Matrix3X3 parentMatrix)
{
_matrix = MatrixExt.PreConcat(_matrix, parentMatrix);
}