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BLT-With-Graphics-Template/include/blt/gfx/imgui/ImGuiUtils.h

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#pragma once
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#include "blt/gfx/font/IconsFontAwesome5.h" // from https://github.com/juliettef/IconFontCppHeaders
#include <blt/gfx/font/font_awesome_defines.h>
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#include "imgui_spectrum.h"
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#include <imgui.h>
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#include <cmath>
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namespace ImGui
{
inline void SetupImGuiStyle( bool bStyleDark_, float alpha_ )
{
ImGuiStyle& style = ImGui::GetStyle();
// light style from Pacôme Danhiez (user itamago) https://github.com/ocornut/imgui/pull/511#issuecomment-175719267
style.Alpha = 1.0f;
style.FrameRounding = 3.0f;
style.Colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
style.Colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
style.Colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 0.94f);
//style.Colors[ImGuiCol_ChildWindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
style.Colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.94f);
style.Colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.39f);
style.Colors[ImGuiCol_BorderShadow] = ImVec4(1.00f, 1.00f, 1.00f, 0.10f);
style.Colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.94f);
style.Colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
style.Colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
style.Colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
style.Colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
style.Colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
style.Colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
style.Colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
style.Colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 1.00f);
style.Colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.59f, 0.59f, 0.59f, 1.00f);
style.Colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
//style.Colors[ImGuiCol_ComboBg] = ImVec4(0.86f, 0.86f, 0.86f, 0.99f);
style.Colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
style.Colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
style.Colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
style.Colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
style.Colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
style.Colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
//style.Colors[ImGuiCol_Column] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
//style.Colors[ImGuiCol_ColumnHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
//style.Colors[ImGuiCol_ColumnActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.50f);
style.Colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
style.Colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
//style.Colors[ImGuiCol_CloseButton] = ImVec4(0.59f, 0.59f, 0.59f, 0.50f);
//style.Colors[ImGuiCol_CloseButtonHovered] = ImVec4(0.98f, 0.39f, 0.36f, 1.00f);
//style.Colors[ImGuiCol_CloseButtonActive] = ImVec4(0.98f, 0.39f, 0.36f, 1.00f);
style.Colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
style.Colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
style.Colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
style.Colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
style.Colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
//style.Colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
if( bStyleDark_ )
{
for (int i = 0; i < ImGuiCol_COUNT; i++)
{
ImVec4& col = style.Colors[i];
float H, S, V;
ImGui::ColorConvertRGBtoHSV( col.x, col.y, col.z, H, S, V );
if( S < 0.1f )
{
V = 1.0f - V;
}
ImGui::ColorConvertHSVtoRGB( H, S, V, col.x, col.y, col.z );
if( col.w < 1.00f )
{
col.w *= alpha_;
}
}
}
else
{
for (int i = 0; i < ImGuiCol_COUNT; i++)
{
ImVec4& col = style.Colors[i];
if( col.w < 1.00f )
{
col.x *= alpha_;
col.y *= alpha_;
col.z *= alpha_;
col.w *= alpha_;
}
}
}
}
inline bool CheckBoxFont( const char* name_, bool* pB_, const char* pOn_ = "[X]", const char* pOff_="[ ]" )
{
if( *pB_ )
{
ImGui::Text("%s", pOn_);
}
else
{
ImGui::Text("%s", pOff_);
}
bool bHover = false;
bHover = bHover || ImGui::IsItemHovered();
ImGui::SameLine();
ImGui::Text( "%s", name_ );
bHover = bHover || ImGui::IsItemHovered();
if( bHover && ImGui::IsMouseClicked(0) )
{
*pB_ = ! *pB_;
return true;
}
return false;
}
inline bool CheckBoxTick( const char* name_, bool* pB_ )
{
return CheckBoxFont( name_, pB_, ICON_FA_CHECK_SQUARE, ICON_FA_SQUARE );
}
inline bool MenuItemCheckbox( const char* name_, bool* pB_ )
{
bool retval = ImGui::MenuItem( name_ );
ImGui::SameLine();
if( *pB_ )
{
ImGui::Text(ICON_FA_CHECK_SQUARE);
}
else
{
ImGui::Text(ICON_FA_SQUARE);
}
if( retval )
{
*pB_ = ! *pB_;
}
return retval;
}
struct FrameTimeHistogram
{
// configuration params - modify these at will
static const int NUM = 101; //last value is from T-1 to inf.
float dT = 0.001f; // in seconds, default 1ms
float refresh = 1.0f/60.0f;// set this to your target refresh rate
static const int NUM_MARKERS = 2;
float markers[NUM_MARKERS] = { 0.99f, 0.999f };
// data
ImVec2 size = ImVec2( 3.0f * NUM, 40.0f );
float lastdT = 0.0f;
float timesTotal;
float countsTotal;
float times[ NUM];
float counts[NUM];
float hitchTimes[ NUM];
float hitchCounts[NUM];
FrameTimeHistogram()
{
Clear();
}
void Clear()
{
timesTotal = 0.0f;
countsTotal = 0.0f;
memset(times, 0, sizeof(times) );
memset(counts, 0, sizeof(counts) );
memset(hitchTimes, 0, sizeof(hitchTimes) );
memset(hitchCounts, 0, sizeof(hitchCounts) );
}
int GetBin( float time_ )
{
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int bin = (int)std::floor( time_ / dT );
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if( bin >= NUM )
{
bin = NUM - 1;
}
return bin;
}
void Update( float deltaT_ )
{
if( deltaT_ < 0.0f )
{
assert(false);
return;
}
int bin = GetBin( deltaT_ );
times[ bin] += deltaT_;
timesTotal += deltaT_;
counts[bin] += 1.0f;
countsTotal += 1.0f;
float hitch = abs( lastdT - deltaT_ );
int deltaBin = GetBin( hitch );
hitchTimes[ deltaBin] += hitch;
hitchCounts[deltaBin] += 1.0f;
lastdT = deltaT_;
}
void PlotRefreshLines( float total_ = 0.0f, float* pValues_ = NULL)
{
ImDrawList* draw = ImGui::GetWindowDrawList();
const ImGuiStyle& style = ImGui::GetStyle();
ImVec2 pad = style.FramePadding;
ImVec2 min = ImGui::GetItemRectMin();
min.x += pad.x;
ImVec2 max = ImGui::GetItemRectMax();
max.x -= pad.x;
float xRefresh = (max.x - min.x) * refresh / ( dT * NUM );
float xCurr = xRefresh + min.x;
while( xCurr < max.x )
{
float xP = ceil( xCurr ); // use ceil to get integer coords or else lines look odd
draw->AddLine( ImVec2( xP, min.y ), ImVec2( xP, max.y ), 0x50FFFFFF );
xCurr += xRefresh;
}
if( pValues_ )
{
// calc markers
float currTotal = 0.0f;
int mark = 0;
for( int i = 0; i < NUM && mark < NUM_MARKERS; ++i )
{
currTotal += pValues_[i];
if( total_ * markers[mark] < currTotal )
{
float xP = ceil( (float)(i+1)/(float)NUM * ( max.x - min.x ) + min.x ); // use ceil to get integer coords or else lines look odd
draw->AddLine( ImVec2( xP, min.y ), ImVec2( xP, max.y ), 0xFFFF0000 );
++mark;
}
}
}
}
void CalcHistogramSize( int numShown_ )
{
ImVec2 wRegion = ImGui::GetContentRegionMax();
float heightGone = 7.0f * ImGui::GetTextLineHeightWithSpacing();
wRegion.y -= heightGone;
wRegion.y /= (float) numShown_;
const ImGuiStyle& style = ImGui::GetStyle();
ImVec2 pad = style.FramePadding;
wRegion.x -= 2.0f * pad.x;
size = wRegion;
}
void Draw(const char* name_, bool* pOpen_ = NULL )
{
if (ImGui::Begin( name_, pOpen_ ))
{
int numShown = 0;
if(ImGui::CollapsingHeader("Time Histogram"))
{
++numShown;
ImGui::PlotHistogram("", times, NUM, 0, NULL, FLT_MAX, FLT_MAX, size );
PlotRefreshLines( timesTotal, times );
}
if(ImGui::CollapsingHeader("Count Histogram"))
{
++numShown;
ImGui::PlotHistogram("", counts, NUM, 0, NULL, FLT_MAX, FLT_MAX, size );
PlotRefreshLines( countsTotal, counts );
}
if(ImGui::CollapsingHeader("Hitch Time Histogram"))
{
++numShown;
ImGui::PlotHistogram("", hitchTimes, NUM, 0, NULL, FLT_MAX, FLT_MAX, size );
PlotRefreshLines();
}
if(ImGui::CollapsingHeader("Hitch Count Histogram"))
{
++numShown;
ImGui::PlotHistogram("", hitchCounts, NUM, 0, NULL, FLT_MAX, FLT_MAX, size );
PlotRefreshLines();
}
if( ImGui::Button("Clear") )
{
Clear();
}
CalcHistogramSize( numShown );
}
ImGui::End();
}
};
};