Function sample

src/fl/gfx/sample.cpp.hpp:9–15

namespace fl {

CRGB sample(const CRGB *grid, const XYMap &xyMap, float x, float y,
            SampleMode mode) {
    if (mode == SampleMode::SAMPLE_BILINEAR) {
        return sampleBilinear(grid, xyMap, x, y);
    }
    return sampleNearest(grid, xyMap, x, y);
}

CRGB sampleBilinear(const CRGB *grid, const XYMap &xyMap, float x, float y) {
    int x0 = static_cast<int>(x);