Ceylo

import Cocoa

private func rowIndexForLayer(at rowIndex: Int, in layers: [Layer]) -> Int {
    return layers.count - 1 - rowIndex
}

private func outlineViewRowIndex(for path: IndexPath, parent: LayerContainer) -> Int {
    let layerIndex = path.last!
    return rowIndexForLayer(at: layerIndex, in: parent.layers)
}

Ceylo

/****************************************************************************************\
*                                  Perspective Transform                                 *
\****************************************************************************************/

template<typename T> static void
perspectiveTransform_( const T* src, T* dst, const double* m, int len, int scn, int dcn )
{
    const double eps = FLT_EPSILON;
    int i;