mirror of https://github.com/ocornut/imgui
Removed the dependency on realloc functionality
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3f6091b26b
commit
98e71afa72
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@ -537,7 +537,6 @@ ImGuiIO::ImGuiIO()
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// User functions
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RenderDrawListsFn = NULL;
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MemAllocFn = malloc;
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MemReallocFn = realloc;
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MemFreeFn = free;
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GetClipboardTextFn = GetClipboardTextFn_DefaultImpl; // Platform dependent default implementations
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SetClipboardTextFn = SetClipboardTextFn_DefaultImpl;
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@ -1479,11 +1478,6 @@ void ImGui::MemFree(void* ptr)
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{
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return GImGui.IO.MemFreeFn(ptr);
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}
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void* ImGui::MemRealloc(void* ptr, size_t sz)
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{
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return GImGui.IO.MemReallocFn(ptr, sz);
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}
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static ImGuiIniData* FindWindowSettings(const char* name)
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{
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13
imgui.h
13
imgui.h
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@ -72,7 +72,6 @@ namespace ImGui
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// Proxy functions to access the MemAllocFn/MemFreeFn/MemReallocFn pointers in ImGui::GetIO(). The only reason they exist here is to allow ImVector<> to compile inline.
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IMGUI_API void* MemAlloc(size_t sz);
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IMGUI_API void MemFree(void* ptr);
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IMGUI_API void* MemRealloc(void* ptr, size_t sz);
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}
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// std::vector<> like class to avoid dragging dependencies (also: windows implementation of STL with debug enabled is absurdly slow, so let's bypass it so our code runs fast in debug).
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@ -114,8 +113,13 @@ public:
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inline value_type& back() { IM_ASSERT(Size > 0); return Data[Size-1]; }
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inline const value_type& back() const { IM_ASSERT(Size > 0); return Data[Size-1]; }
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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; }
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inline void reserve(size_t new_capacity) { Data = (value_type*)ImGui::MemRealloc(Data, new_capacity * sizeof(value_type)); Capacity = new_capacity; }
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inline void reserve(size_t new_capacity) { if( new_capacity <= Capacity )
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return;
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T* NewData = (value_type*)ImGui::MemAlloc(new_capacity * sizeof(value_type));
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memcpy(NewData, Data, Size * sizeof(value_type));
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ImGui::MemFree(Data);
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Data = NewData;
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Capacity = new_capacity; }
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inline void resize(size_t new_size) { if (new_size > Capacity) reserve(new_size); Size = new_size; }
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inline void push_back(const value_type& v) { if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); Data[Size++] = v; }
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@ -523,9 +527,8 @@ struct ImGuiIO
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const char* (*GetClipboardTextFn)();
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void (*SetClipboardTextFn)(const char* text);
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// Optional: override memory allocations (default to posix malloc/realloc/free)
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// Optional: override memory allocations (default to posix malloc/free)
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void* (*MemAllocFn)(size_t sz);
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void* (*MemReallocFn)(void* ptr, size_t sz);
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void (*MemFreeFn)(void* ptr);
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// Optional: notify OS Input Method Editor of the screen position of your cursor for text input position (e.g. when using Japanese/Chinese inputs in Windows)
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