Function IndexData

implot3d_items.cpp:890–899

//-----------------------------------------------------------------------------

template <typename T> IMPLOT3D_INLINE T IndexData(const T* data, int idx, int count, int offset, int stride) {
    const int s = ((offset == 0) << 0) | ((stride == sizeof(T)) << 1);
    switch (s) {
        case 3: return data[idx];
        case 2: return data[(offset + idx) % count];
        case 1: return *(const T*)(const void*)((const unsigned char*)data + (size_t)((idx)) * stride);
        case 0: return *(const T*)(const void*)((const unsigned char*)data + (size_t)((offset + idx) % count) * stride);
        default: return T(0);
    }
}

template <typename T> struct IndexerIdx {
    IndexerIdx(const T* data, int count, int offset = 0, int stride = sizeof(T))