/// <summary>
/// I only support the cached map for now because the interface call is expensive.
/// Generics (with interface constraint) have the same problem.
/// </summary>
/// <param name="grid"></param>
/// <param name="p"></param>
/// <param name="cachedMap"></param>
private static unsafe void CreateColorBufferMap(Grid <int> grid, int *p, CachedColorMap cachedMap)
{
var transparent = Color.Transparent.ToArgb();
fixed(int *gridPtr = grid.Data)
{
for (var r = 0; r < grid.SizeY; r++)
{
// flip y-axis
int rr = grid.SizeY - r - 1;
int *g = gridPtr + rr * grid.Data.GetLength(1);
for (var c = 0; c < grid.SizeX; c++)
{
if (*g != grid.FillVal)
{
(*p) = cachedMap.GetColor(*g);
}
else
{
(*p) = transparent;
}
++p;
++g;
}
}
}
}
/// <summary>
/// I only support the cached map for now because the interface call is expensive.
/// Generics (with interface constraint) have the same problem.
/// </summary>
/// <param name="grid"></param>
/// <param name="p"></param>
/// <param name="cachedMap"></param>
private static unsafe void CreateColorBufferMap(Grid<int> grid, int* p, CachedColorMap cachedMap)
{
var transparent = Color.Transparent.ToArgb();
fixed (int* gridPtr = grid.Data)
{
for (var r = 0; r < grid.SizeY; r++)
{
// flip y-axis
int rr = grid.SizeY - r - 1;
int* g = gridPtr + rr * grid.Data.GetLength(1);
for (var c = 0; c < grid.SizeX; c++)
{
if (*g != grid.FillVal)
(*p) = cachedMap.GetColor(*g);
else
(*p) = transparent;
++p;
++g;
}
}
}
}
