86 lines
No EOL
2 KiB
C++
86 lines
No EOL
2 KiB
C++
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#include "Buffer.hpp"
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#include "Utils.hpp"
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namespace tp {
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template< typename tType, ualni tSizeX, ualni tSizeY >
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using ConstSizeBuffer2D = ConstSizeBuffer<ConstSizeBuffer<tType, tSizeX>, tSizeY>;
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template <
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typename tType,
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class tAllocator = DefaultAllocator
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>
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class Buffer2D {
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public:
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typedef ualni Index;
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typedef Pair<Index, Index> Index2D;
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typedef SelCopyArg<tType> tTypeArg;
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private:
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tAllocator mAlloc;
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tType* mBuff = nullptr;
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Index2D mSize = { 0, 0 };
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void deleteBuffer() {
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if (!mBuff) return;
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for (ualni i = 0; i < mSize.x * mSize.y; i++) mBuff[i].~tType();
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mAlloc.deallocate(mBuff);
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}
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void allocateBuffer(Index2D size) {
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deleteBuffer();
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mBuff = (tType*) mAlloc.allocate(sizeof(tType) * size.x * size.y);
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for (ualni i = 0; i < mSize.x * mSize.y; i++) new (mBuff + i) tType();
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}
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public:
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Buffer2D() = default;
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~Buffer2D() {
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deleteBuffer();
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}
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explicit Buffer2D(Index2D aSize) {
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reserve(aSize);
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}
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[[nodiscard]] Index2D size() const {
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return { mSize.x, mSize.y };
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}
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tType* getBuff() const {
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return mBuff;
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}
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inline tType& get(const Index2D& at) {
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DEBUG_ASSERT(at.x < mSize.x && at.y < mSize.y && at.x >= 0 && at.y >= 0)
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return *(mBuff + mSize.x * at.y + at.x);
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}
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inline const tType& get(const Index2D& at) const {
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DEBUG_ASSERT(at.x < mSize.x && at.y < mSize.y && at.x >= 0 && at.y >= 0)
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return *(mBuff + mSize.x * at.y + at.x);
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}
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inline void set(const Index2D& at, tTypeArg value) {
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DEBUG_ASSERT(at.x < mSize.x && at.y < mSize.y && at.x >= 0 && at.y >= 0)
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*(mBuff + mSize.x * at.y + at.x) = value;
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}
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void reserve(const Index2D& newSize) {
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if (mSize.x != newSize.x || mSize.y != newSize.y) {
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allocateBuffer(newSize);
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mSize = newSize;
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}
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}
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void assign(tType value) {
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Index len = mSize.x * mSize.y;
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for (Index i = 0; i < len; i++) {
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mBuff[i] = value;
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}
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}
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};
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} |