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memory override attempt #2

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This commit is contained in:
Sepehr Taghdisian
2014-08-18 16:08:03 +04:30
parent 47fd8431c1 926f7bfcc5
commit c2cb727ac9
4 changed files with 216 additions and 218 deletions
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79
imgui.h
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@ -25,11 +25,6 @@ struct ImGuiWindow;
#define IM_ASSERT(_EXPR) assert(_EXPR)
#endif
#ifndef IM_MALLOC
#define IM_MALLOC malloc
#endif
typedef unsigned int ImU32;
typedef ImU32 ImGuiID;
typedef int ImGuiCol; // enum ImGuiCol_
@ -39,9 +34,6 @@ typedef int ImGuiWindowFlags; // enum ImGuiWindowFlags_
typedef int ImGuiInputTextFlags; // enum ImGuiInputTextFlags_
typedef ImBitmapFont* ImFont;
typedef void* (*ImGui_MallocCallback)(size_t size);
typedef void (*ImGui_FreeCallback)(void *ptr);
struct ImVec2
{
float x, y;
@ -76,57 +68,46 @@ template<typename T>
class ImVector
{
private:
size_t _size;
size_t _capacity;
T* _data;
size_t Size;
size_t Capacity;
T* Data;
public:
typedef T value_type;
typedef value_type* iterator;
typedef const value_type* const_iterator;
ImVector() { _size = _capacity = 0; _data = NULL; }
~ImVector() { if (_data) ImGui_ProxyFree(_data); }
ImVector() { Size = Capacity = 0; Data = NULL; }
~ImVector() { if (Data) IM_FREE(Data); }
inline bool empty() const { return _size == 0; }
inline size_t size() const { return _size; }
inline size_t capacity() const { return _capacity; }
inline bool empty() const { return Size == 0; }
inline size_t size() const { return Size; }
inline size_t capacity() const { return Capacity; }
inline value_type& at(size_t i) { IM_ASSERT(i < _size); return _data[i]; }
inline const value_type& at(size_t i) const { IM_ASSERT(i < _size); return _data[i]; }
inline value_type& operator[](size_t i) { IM_ASSERT(i < _size); return _data[i]; }
inline const value_type& operator[](size_t i) const { IM_ASSERT(i < _size); return _data[i]; }
inline value_type& at(size_t i) { IM_ASSERT(i < Size); return Data[i]; }
inline const value_type& at(size_t i) const { IM_ASSERT(i < Size); return Data[i]; }
inline value_type& operator[](size_t i) { IM_ASSERT(i < Size); return Data[i]; }
inline const value_type& operator[](size_t i) const { IM_ASSERT(i < Size); return Data[i]; }
inline void clear() { if (_data) { _size = _capacity = 0; ImGui_ProxyFree(_data); _data = NULL; } }
inline iterator begin() { return _data; }
inline const_iterator begin() const { return _data; }
inline iterator end() { return _data + _size; }
inline const_iterator end() const { return _data + _size; }
inline void clear() { if (Data) { Size = Capacity = 0; IM_FREE(Data); Data = NULL; } }
inline iterator begin() { return Data; }
inline const_iterator begin() const { return Data; }
inline iterator end() { return Data + Size; }
inline const_iterator end() const { return Data + Size; }
inline value_type& front() { return at(0); }
inline const value_type& front() const { return at(0); }
inline value_type& back() { IM_ASSERT(_size > 0); return at(_size-1); }
inline const value_type& back() const { IM_ASSERT(_size > 0); return at(_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 value_type& back() { IM_ASSERT(Size > 0); return at(Size-1); }
inline const value_type& back() const { IM_ASSERT(Size > 0); return at(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 reserve(size_t new_capacity)
{
if (!_data) {
_data = (value_type*)ImGui_ProxyMalloc(new_capacity*sizeof(value_type));
} else {
void *tmp = ImGui_ProxyMalloc(new_capacity*sizeof(value_type));
memcpy(tmp, _data, sizeof(value_type)*_capacity);
ImGui_ProxyFree(_data);
_data = (value_type*)tmp;
}
_capacity = new_capacity;
}
inline void resize(size_t new_size) { if (new_size > _capacity) reserve(new_size); _size = new_size; }
inline void reserve(size_t new_capacity) { Data = (value_type*)IM_REALLOC(Data, new_capacity * sizeof(value_type)); Capacity = new_capacity; }
inline void resize(size_t new_size) { if (new_size > Capacity) reserve(new_size); Size = new_size; }
inline void push_back(const value_type& v) { if (_size == _capacity) reserve(_capacity ? _capacity * 2 : 4); _data[_size++] = v; }
inline void pop_back() { IM_ASSERT(_size > 0); _size--; }
inline void push_back(const value_type& v) { if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); 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 int off = it - begin(); memmove(_data + off, _data + off + 1, (_size - off - 1) * sizeof(value_type)); _size--; return _data + off; }
inline void insert(const_iterator it, const value_type& v) { IM_ASSERT(it >= begin() && it <= end()); const int off = it - begin(); if (_size == _capacity) reserve(_capacity ? _capacity * 2 : 4); if (off < (int)_size) memmove(_data + off + 1, _data + off, (_size - off) * sizeof(value_type)); _data[off] = v; _size++; }
inline iterator erase(const_iterator it) { IM_ASSERT(it >= begin() && it < end()); const int off = it - begin(); memmove(Data + off, Data + off + 1, (Size - off - 1) * sizeof(value_type)); Size--; return Data + off; }
inline void insert(const_iterator it, const value_type& v) { IM_ASSERT(it >= begin() && it <= end()); const int off = it - begin(); if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); if (off < (int)Size) memmove(Data + off + 1, Data + off, (Size - off) * sizeof(value_type)); Data[off] = v; Size++; }
};
#endif // #ifndef ImVector
@ -216,6 +197,7 @@ namespace ImGui
bool SliderFloat(const char* label, float* v, float v_min, float v_max, const char* display_format = "%.3f", float power = 1.0f);
bool SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* display_format = "%.3f", float power = 1.0f);
bool SliderFloat3(const char* label, float v[3], float v_min, float v_max, const char* display_format = "%.3f", float power = 1.0f);
bool SliderFloat4(const char* label, float v[3], float v_min, float v_max, const char* display_format = "%.3f", float power = 1.0f);
bool SliderAngle(const char* label, float* v, float v_degrees_min = -360.0f, float v_degrees_max = +360.0f); // *v in radians
bool SliderInt(const char* label, int* v, int v_min, int v_max, const char* display_format = "%.0f");
void PlotLines(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0,0), size_t stride = sizeof(float));
@ -227,6 +209,7 @@ namespace ImGui
bool InputFloat(const char* label, float* v, float step = 0.0f, float step_fast = 0.0f, int decimal_precision = -1);
bool InputFloat2(const char* label, float v[2], int decimal_precision = -1);
bool InputFloat3(const char* label, float v[3], int decimal_precision = -1);
bool InputFloat4(const char* label, float v[4], int decimal_precision = -1);
bool InputInt(const char* label, int* v, int step = 1, int step_fast = 100);
bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0);
bool Combo(const char* label, int* current_item, const char** items, int items_count, int popup_height_items = 7);
@ -401,8 +384,6 @@ struct ImGuiStyle
struct ImGuiIO
{
// Settings (fill once) // Default value:
ImGui_MallocCallback MallocFn;
ImGui_FreeCallback FreeFn;
ImVec2 DisplaySize; // <unset> // Display size, in pixels. For clamping windows positions.
float DeltaTime; // = 1.0f/60.0f // Time elapsed since last frame, in seconds.
float IniSavingRate; // = 5.0f // Maximum time between saving .ini file, in seconds. Set to a negative value to disable .ini saving.
@ -508,15 +489,13 @@ struct ImGuiTextBuffer
{
ImVector<char> Buf;
ImGuiTextBuffer() { }
void init() { if (Buf.empty()) Buf.push_back(0); }
ImGuiTextBuffer() { Buf.push_back(0); }
const char* begin() const { return Buf.begin(); }
const char* end() const { return Buf.end()-1; }
size_t size() const { return Buf.size()-1; }
bool empty() { return Buf.empty(); }
void clear() { Buf.clear(); Buf.push_back(0); }
void append(const char* fmt, ...);
void destroy() { Buf.clear(); }
};
// Helper: Key->value storage