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//
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//#pragma once
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//#include "imgui.h"
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//#include "imgui_internal.h"
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//
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//
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//
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//namespace ImGui {
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//
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// static ImU32 InvertColorU32(ImU32 in)
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// {
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// ImVec4 in4 = ColorConvertU32ToFloat4(in);
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// in4.x = 1.f - in4.x;
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// in4.y = 1.f - in4.y;
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// in4.z = 1.f - in4.z;
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// return GetColorU32(in4);
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// }
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//
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// static void PlotMultiEx(
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// ImGuiPlotType plot_type,
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// const char* label,
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// int num_datas,
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// const char** names,
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// const ImColor* colors,
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// float(*getter)(const void* data, int idx),
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// const void * const * datas,
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// int values_count,
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// float scale_min,
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// float scale_max,
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// ImVec2 graph_size)
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// {
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// const int values_offset = 0;
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//
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// ImGuiWindow* window = GetCurrentWindow();
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// if (window->SkipItems)
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// return;
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//
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// ImGuiContext& g = *GImGui;
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// const ImGuiStyle& style = g.Style;
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//
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// const ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
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// if (graph_size.x == 0.0f)
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// graph_size.x = CalcItemWidth();
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// if (graph_size.y == 0.0f)
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// graph_size.y = label_size.y + (style.FramePadding.y * 2);
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//
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// const ImRect frame_bb();//window->DC.CursorPos, window->DC.CursorPos + ImVec2(graph_size.x, graph_size.y));
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// const ImRect inner_bb();//frame_bb.Min + style.FramePadding, frame_bb.Max - style.FramePadding);
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// const ImRect total_bb();//frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0));
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// ItemSize(total_bb, style.FramePadding.y);
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// if (!ItemAdd(total_bb, NULL))
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// return;
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//
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// // Determine scale from values if not specified
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// if (scale_min == FLT_MAX || scale_max == FLT_MAX)
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// {
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// float v_min = FLT_MAX;
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// float v_max = -FLT_MAX;
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// for (int data_idx = 0; data_idx < num_datas; ++data_idx)
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// {
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// for (int i = 0; i < values_count; i++)
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// {
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// const float v = getter(datas[data_idx], i);
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// v_min = ImMin(v_min, v);
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// v_max = ImMax(v_max, v);
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// }
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// }
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// if (scale_min == FLT_MAX)
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// scale_min = v_min;
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// if (scale_max == FLT_MAX)
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// scale_max = v_max;
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// }
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//
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// RenderFrame(frame_bb.Min, frame_bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
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//
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// int res_w = ImMin((int) graph_size.x, values_count) + ((plot_type == ImGuiPlotType_Lines) ? -1 : 0);
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// int item_count = values_count + ((plot_type == ImGuiPlotType_Lines) ? -1 : 0);
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//
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// // Tooltip on hover
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// int v_hovered = -1;
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// if (IsHovered(inner_bb, 0))
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// {
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// const float t = ImClamp((g.IO.MousePos.x - inner_bb.Min.x) / (inner_bb.Max.x - inner_bb.Min.x), 0.0f, 0.9999f);
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// const int v_idx = (int) (t * item_count);
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// IM_ASSERT(v_idx >= 0 && v_idx < values_count);
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//
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// // std::string toolTip;
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// ImGui::BeginTooltip();
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// const int idx0 = (v_idx + values_offset) % values_count;
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// if (plot_type == ImGuiPlotType_Lines)
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// {
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// const int idx1 = (v_idx + 1 + values_offset) % values_count;
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// Text("%8d %8d | Name", v_idx, v_idx+1);
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// for (int dataIdx = 0; dataIdx < num_datas; ++dataIdx)
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// {
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// const float v0 = getter(datas[dataIdx], idx0);
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// const float v1 = getter(datas[dataIdx], idx1);
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// TextColored(colors[dataIdx], "%8.4g %8.4g | %s", v0, v1, names[dataIdx]);
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// }
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// }
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// else if (plot_type == ImGuiPlotType_Histogram)
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// {
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// for (int dataIdx = 0; dataIdx < num_datas; ++dataIdx)
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// {
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// const float v0 = getter(datas[dataIdx], idx0);
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// TextColored(colors[dataIdx], "%d: %8.4g | %s", v_idx, v0, names[dataIdx]);
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// }
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// }
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// ImGui::EndTooltip();
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// v_hovered = v_idx;
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// }
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//
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// for (int data_idx = 0; data_idx < num_datas; ++data_idx)
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// {
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// const float t_step = 1.0f / (float) res_w;
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//
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// float v0 = getter(datas[data_idx], (0 + values_offset) % values_count);
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// float t0 = 0.0f;
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// ImVec2 tp0 = ImVec2(t0, 1.0f - ImSaturate((v0 - scale_min) / (scale_max - scale_min))); // Point in the normalized space of our target rectangle
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//
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// const ImU32 col_base = colors[data_idx];
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// const ImU32 col_hovered = InvertColorU32(colors[data_idx]);
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//
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// //const ImU32 col_base = GetColorU32((plot_type == ImGuiPlotType_Lines) ? ImGuiCol_PlotLines : ImGuiCol_PlotHistogram);
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// //const ImU32 col_hovered = GetColorU32((plot_type == ImGuiPlotType_Lines) ? ImGuiCol_PlotLinesHovered : ImGuiCol_PlotHistogramHovered);
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//
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// for (int n = 0; n < res_w; n++)
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// {
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// const float t1 = t0 + t_step;
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// const int v1_idx = (int) (t0 * item_count + 0.5f);
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// IM_ASSERT(v1_idx >= 0 && v1_idx < values_count);
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// const float v1 = getter(datas[data_idx], (v1_idx + values_offset + 1) % values_count);
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// const ImVec2 tp1 = ImVec2(t1, 1.0f - ImSaturate((v1 - scale_min) / (scale_max - scale_min)));
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//
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// // NB: Draw calls are merged together by the DrawList system. Still, we should render our batch are lower level to save a bit of CPU.
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// ImVec2 pos0 = ImLerp(inner_bb.Min, inner_bb.Max, tp0);
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// ImVec2 pos1 = ImLerp(inner_bb.Min, inner_bb.Max, (plot_type == ImGuiPlotType_Lines) ? tp1 : ImVec2(tp1.x, 1.0f));
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// if (plot_type == ImGuiPlotType_Lines)
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// {
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// window->DrawList->AddLine(pos0, pos1, v_hovered == v1_idx ? col_hovered : col_base);
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// }
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// else if (plot_type == ImGuiPlotType_Histogram)
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// {
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// if (pos1.x >= pos0.x + 2.0f)
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// pos1.x -= 1.0f;
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// window->DrawList->AddRectFilled(pos0, pos1, v_hovered == v1_idx ? col_hovered : col_base);
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// }
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//
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// t0 = t1;
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// tp0 = tp1;
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// }
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// }
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//
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// RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, inner_bb.Min.y), label);
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//}
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//
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//void PlotMultiLines(
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// const char* label,
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// int num_datas,
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// const char** names,
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// const ImColor* colors,
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// float(*getter)(const void* data, int idx),
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// const void * const * datas,
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// int values_count,
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// float scale_min,
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// float scale_max,
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// ImVec2 graph_size)
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//{
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// PlotMultiEx(ImGuiPlotType_Lines, label, num_datas, names, colors, getter, datas, values_count, scale_min, scale_max, graph_size);
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//}
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//
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//void PlotMultiHistograms(
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// const char* label,
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// int num_hists,
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// const char** names,
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// const ImColor* colors,
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// float(*getter)(const void* data, int idx),
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// const void * const * datas,
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// int values_count,
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// float scale_min,
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// float scale_max,
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// ImVec2 graph_size)
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//{
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// PlotMultiEx(ImGuiPlotType_Histogram, label, num_hists, names, colors, getter, datas, values_count, scale_min, scale_max, graph_size);
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//}
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//
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//} // namespace ImGui
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