55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
namespace dk {
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namespace implem {
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///----------------------------------------------------------------------
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///----------------------------------------------------------------------
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template <size_t D>
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typename LayerBase<D>::coords::value_type area (const typename LayerBase<D>::coords& parVec) {
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typename LayerBase<D>::coords::value_type retval(1);
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for (size_t d = 0; d < D; ++d) {
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retval *= parVec[d];
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}
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return retval;
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}
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <size_t D>
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LayerBase<D>::LayerBase (const coords& parCount, const coords& parTileSize, const coords& parMasterTileSize) :
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m_count(parCount),
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m_tilesize(parTileSize),
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m_mastersize(parMasterTileSize)
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{
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DK_ASSERT((parMasterTileSize / parTileSize) * parTileSize == parMasterTileSize);
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <typename T, size_t D>
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Layer<T, D>::Layer (const coords& parCount, const coords& parTileSize, const coords& parMasterTileSize, streamer_type&& parStreamer) :
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LayerBase<D>(parCount, parTileSize, parMasterTileSize),
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m_streamer(std::move(parStreamer)),
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m_activeViewport(*this)
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{
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <typename T, size_t D>
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typename Layer<T, D>::iterator Layer<T, D>::begin() {
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return iterator(&m_tiles, coords(0), this->m_count);
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <typename T, size_t D>
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void Layer<T, D>::setActiveViewport (const coords& parFrom, const coords& parCount) {
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m_tiles.clear();
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const auto area = implem::area(parCount);
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m_tiles.reserve(area);
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m_streamer.copy(m_tiles, parFrom, parFrom + parCount);
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m_activeViewport.setFrom(parFrom);
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m_activeViewport.setSize(parCount);
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}
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}
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