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ImVector: tweak growth strategy

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This commit is contained in:
ocornut 2015-05-15 13:14:46 +01:00
parent 1fe2906923
commit fa0f0f4507
2 changed files with 5 additions and 3 deletions
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2
imgui.cpp
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@ -11034,7 +11034,7 @@ void ImGui::ShowMetricsWindow(bool* opened)
ImGui::Text("ImGui %s", ImGui::GetVersion());
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
ImGui::Text("%d vertices", ImGui::GetIO().MetricsRenderVertices);
ImGui::Text("%d active allocations", ImGui::GetIO().MetricsAllocs);
ImGui::Text("%d allocations", ImGui::GetIO().MetricsAllocs);
ImGui::Separator();
struct Funcs

6
imgui.h
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@ -119,7 +119,9 @@ public:
inline const value_type& back() const { IM_ASSERT(Size > 0); return Data[Size-1]; }
inline void swap(ImVector<T>& rhs) { const size_t rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; const size_t rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; value_type* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
inline void resize(size_t new_size) { if (new_size > Capacity) reserve(new_size); Size = new_size; }
inline size_t _grow_capacity(size_t new_size) { size_t new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > new_size ? new_capacity : new_size; }
inline void resize(size_t new_size) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; }
inline void reserve(size_t new_capacity)
{
if (new_capacity <= Capacity) return;
@ -130,7 +132,7 @@ public:
Capacity = new_capacity;
}
inline void push_back(const value_type& v) { if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); Data[Size++] = v; }
inline void push_back(const value_type& v) { if (Size == Capacity) reserve(_grow_capacity(Size+1)); Data[Size++] = v; }
inline void pop_back() { IM_ASSERT(Size > 0); Size--; }
inline iterator erase(const_iterator it) { IM_ASSERT(it >= begin() && it < end()); const ptrdiff_t off = it - begin(); memmove(Data + off, Data + off + 1, (Size - (size_t)off - 1) * sizeof(value_type)); Size--; return Data + off; }