Overrides - Color grading widget - Component mode
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1 changed files with 191 additions and 0 deletions
191
main.cc
191
main.cc
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@ -1,5 +1,7 @@
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#include "externals.hh"
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#define IMGUI_DEFINE_MATH_OPERATORS
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#include "imgui_impl_sdl.h"
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#include "demo.hh"
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#include "globals.hh"
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@ -176,6 +178,184 @@ void T_Main::handleCapture( )
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}
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}
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bool CGCModeButton_(
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char const* const name ,
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const bool disabled )
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{
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using namespace ImGui;
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if ( disabled ) {
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PushItemFlag( ImGuiItemFlags_Disabled , true );
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PushStyleVar( ImGuiStyleVar_Alpha , GetStyle( ).Alpha * 0.5f );
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}
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const bool rv( Button( name ) );
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if ( disabled ) {
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PopItemFlag( );
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PopStyleVar( );
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}
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return rv;
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}
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bool CGCComponentBar_(
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float* const value ,
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const float base ,
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const float unit ,
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const ImVec4 color ,
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char const* const label ) noexcept
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{
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using namespace ImGui;
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const float BarWidth = 24.f;
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const float BarHeight = 180.f;
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const float fullWidth = CalcItemWidth( );
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const ImVec2 labelSize = CalcTextSize( label );
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const ImVec2 maxValueSize = CalcTextSize( "-9.99" );
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// Compute bounding boxes
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auto* const win( GetCurrentWindow( ) );
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const ImVec2 cPos( win->DC.CursorPos );
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const ImRect bbBar( cPos + ImVec2( ( fullWidth - BarWidth ) * .5f , 0 ) ,
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cPos + ImVec2( ( fullWidth + BarWidth ) * .5f , BarHeight ) );
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const ImRect bbLabel( cPos + ImVec2( 0 , BarHeight + 2 ) ,
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cPos + ImVec2( fullWidth , BarHeight + labelSize.y + 2 ) );
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const ImRect bbValue( ImVec2( cPos.x , bbLabel.Max.y + 2 ) ,
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bbLabel.Max + ImVec2( 0 , maxValueSize.y + 2 ) );
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const ImRect bbAll( cPos , bbValue.Max );
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auto& style( GetStyle( ) );
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auto id( win->GetID( label ) );
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ItemSize( bbAll , style.FramePadding.y );
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if ( !ItemAdd( bbAll , id ) ) {
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return false;
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}
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const bool tabFocus{ FocusableItemRegister( win , id ) };
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const bool hovered{ ItemHoverable( bbBar , id ) };
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auto* const ctx( GetCurrentContext( ) );
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if ( tabFocus || ( hovered && ctx->IO.MouseClicked[ 0 ] ) ) {
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SetActiveID( id , win );
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FocusWindow( win );
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}
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float nValue{ *value };
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const bool active{ ctx->ActiveId == id };
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if ( active ) {
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if ( ctx->IO.MouseDown[ 0 ] ) {
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const float mPos{ ctx->IO.MousePos.y };
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const float clickPos{ 1.0f - ImClamp(
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( mPos - bbBar.Min.y - 1 ) / ( BarHeight - 2 ) ,
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0.0f , 1.0f ) };
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nValue = base + unit * 2.f * clickPos;
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} else {
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ClearActiveID( );
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}
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} else if ( hovered && ctx->IO.KeyCtrl && ctx->IO.MouseWheel != 0.f ) {
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nValue += unit * .01f * ctx->IO.MouseWheel;
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ctx->IO.MouseWheel = 0.f;
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}
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//- DRAW ---------------------------------------------------------------
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auto* const dl( GetWindowDrawList( ) );
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const auto dispColor{ GetColorU32( ImVec4(
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color.x * ( ( hovered || active ) ? 1.f : .5f ) ,
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color.y * ( ( hovered || active ) ? 1.f : .5f ) ,
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color.z * ( ( hovered || active ) ? 1.f : .5f ) ,
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1 ) ) };
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// Draw bar body
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const ImU32 bgCol{ GetColorU32(
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( ctx->ActiveId == id || hovered )
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? ImVec4( .25f , .25f , .25f , 1.f )
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: ImVec4( .1f , .1f , .1f , 1.f ) ) };
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const ImU32 fCol{ GetColorU32(
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( ctx->ActiveId == id || hovered )
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? ImVec4( 1.f , 1.f , 1.f , 1.f )
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: ImVec4( 0.f , 0.f , 0.f , 1.f ) ) };
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dl->AddRectFilled( bbBar.Min , bbBar.Max , bgCol );
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dl->AddRect( bbBar.Min , bbBar.Max , fCol );
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// Draw colored area on bar
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const float val( std::max( base , std::min( unit * 2 , nValue ) ) );
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const float vy2( ( BarHeight - 2 ) * ( 1 - val / ( unit * 2 ) ) );
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dl->AddRectFilled( bbBar.Min + ImVec2( 1 , BarHeight * .5 ) ,
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bbBar.Min + ImVec2( BarWidth - 1 , 1 + vy2 ) ,
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dispColor );
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dl->AddLine( bbBar.Min + ImVec2( 1 , BarHeight * .5 ) ,
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bbBar.Min + ImVec2( BarWidth - 1 , BarHeight * .5 ) ,
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dispColor );
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// Draw label & value
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const char* tStart = &ctx->TempBuffer[ 0 ];
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const char* tEnd = tStart + ImFormatString(
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ctx->TempBuffer, IM_ARRAYSIZE( ctx->TempBuffer ),
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"%.2f" , *value );
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PushStyleColor( ImGuiCol_Text , dispColor );
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RenderTextClipped( bbLabel.Min , bbLabel.Max ,
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label , nullptr , nullptr ,
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ImVec2( .5f , .5f ) );
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RenderTextClipped( bbValue.Min , bbValue.Max ,
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tStart , tEnd , nullptr ,
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ImVec2( .5f , .5f ) );
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PopStyleColor( );
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if ( nValue != *value ) {
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*value = val;
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return true;
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}
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return false;
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}
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bool ColorGradingControls(
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char const* const name ,
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float* const red ,
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float* const green ,
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float* const blue ,
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const float base = 0.f ,
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const float unit = 1.f ) noexcept
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{
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using namespace ImGui;
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assert( red && green && blue );
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assert( unit > 0.f && "invalid unit" );
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PushID( name );
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BeginGroup( );
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ImGuiWindow* const window{ GetCurrentWindow() };
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ImGuiStorage* const storage{ window->DC.StateStorage };
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const bool wheelMode{ storage->GetBool( window->GetID( name ) ) };
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// Mode selection
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bool modeChanged{ false };
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modeChanged = CGCModeButton_( "Components" , !wheelMode );
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SameLine( );
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modeChanged = CGCModeButton_( "Color wheel" , wheelMode ) || modeChanged;
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if ( modeChanged ) {
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storage->SetBool( window->GetID( name ) , !wheelMode );
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}
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bool changed;
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if ( wheelMode ^ modeChanged ) {
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changed = false;
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#warning implement the fuck
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} else {
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PushItemWidth( -1 );
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PushMultiItemsWidths( 3 );
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changed = CGCComponentBar_( red , base , unit , ImVec4( 1 , 0 , 0 , 0 ) , "R" );
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PopItemWidth( );
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SameLine( 0 , GetStyle( ).ItemInnerSpacing.x );
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changed = CGCComponentBar_( green , base , unit , ImVec4( 0 , 1 , 0 , 0 ) , "G" )
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|| changed;
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PopItemWidth( );
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SameLine( 0 , GetStyle( ).ItemInnerSpacing.x );
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changed = CGCComponentBar_( blue , base , unit , ImVec4( .3 , .3 , 1 , 0 ) , "B" )
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|| changed;
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PopItemWidth( );
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PopItemWidth( );
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}
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EndGroup( );
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PopID( );
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return changed;
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}
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void T_Main::makeUI( )
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{
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using namespace ImGui;
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@ -207,6 +387,17 @@ void T_Main::makeUI( )
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Globals::Shaders( ).makeUI( );
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Globals::Sync( ).makeOverridesWindow( );
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Globals::Sync( ).makeSequencerWindow( );
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#warning color grading widget test
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static float cgRed = 1 , cgGreen = 1 , cgBlue = 1;
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static float wtf[ 3 ] = { 0 , 0 , 0 };
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auto const& dspSize( GetIO( ).DisplaySize );
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SetNextWindowSize( ImVec2( 300 , 300 ) , ImGuiSetCond_Appearing );
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SetNextWindowPos( ImVec2( ( dspSize.x - 300 ) / 2 , (dspSize.y - 300)/2 ) , ImGuiSetCond_Appearing );
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Begin( "Test!" , nullptr , ImGuiWindowFlags_NoCollapse );
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ColorEdit3( "yo" , wtf );
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ColorGradingControls( "lolwut" , &cgRed , &cgGreen , &cgBlue );
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End( );
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}
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void T_Main::render( )
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