draw() [1/3]

void fl::XYRasterSparse_RGB8::draw	(	const XYMap &	xymap,
		fl::span< CRGB >	out )

Definition at line 71 of file raster_sparse.cpp.hpp.

                                                                                  {
    for (const auto &it : mSparseGrid) {
        auto pt = it.first;
        if (!xymap.has(pt.x, pt.y)) {
            continue;
        }
        u32 index = xymap(pt.x, pt.y);
        const CRGB &color = it.second;
        // Only draw non-black pixels (since black represents "no data")
        if (color.r != 0 || color.g != 0 || color.b != 0) {
            out[index] = color;
        }
    }
}

References fl::FL_NO_EXCEPT, mSparseGrid, and xymap.