@ -10205,790 +10205,6 @@ bool ImGui::InputInt4(const char* label, int v[4], ImGuiInputTextFlags extra_fla
return InputScalarN ( label , ImGuiDataType_S32 , v , 4 , NULL , NULL , " %d " , extra_flags ) ;
return InputScalarN ( label , ImGuiDataType_S32 , v , 4 , NULL , NULL , " %d " , extra_flags ) ;
} }
// Note: only access 3 floats if ImGuiColorEditFlags_NoAlpha flag is set.
void ImGui : : ColorTooltip ( const char * text , const float * col , ImGuiColorEditFlags flags )
{
ImGuiContext & g = * GImGui ;
int cr = IM_F32_TO_INT8_SAT ( col [ 0 ] ) , cg = IM_F32_TO_INT8_SAT ( col [ 1 ] ) , cb = IM_F32_TO_INT8_SAT ( col [ 2 ] ) , ca = ( flags & ImGuiColorEditFlags_NoAlpha ) ? 255 : IM_F32_TO_INT8_SAT ( col [ 3 ] ) ;
BeginTooltipEx ( 0 , true ) ;
const char * text_end = text ? FindRenderedTextEnd ( text , NULL ) : text ;
if ( text_end > text )
{
TextUnformatted ( text , text_end ) ;
Separator ( ) ;
}
ImVec2 sz ( g . FontSize * 3 + g . Style . FramePadding . y * 2 , g . FontSize * 3 + g . Style . FramePadding . y * 2 ) ;
ColorButton ( " ##preview " , ImVec4 ( col [ 0 ] , col [ 1 ] , col [ 2 ] , col [ 3 ] ) , ( flags & ( ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf ) ) | ImGuiColorEditFlags_NoTooltip , sz ) ;
SameLine ( ) ;
if ( flags & ImGuiColorEditFlags_NoAlpha )
Text ( " #%02X%02X%02X \n R: %d, G: %d, B: %d \n (%.3f, %.3f, %.3f) " , cr , cg , cb , cr , cg , cb , col [ 0 ] , col [ 1 ] , col [ 2 ] ) ;
else
Text ( " #%02X%02X%02X%02X \n R:%d, G:%d, B:%d, A:%d \n (%.3f, %.3f, %.3f, %.3f) " , cr , cg , cb , ca , cr , cg , cb , ca , col [ 0 ] , col [ 1 ] , col [ 2 ] , col [ 3 ] ) ;
EndTooltip ( ) ;
}
static inline ImU32 ImAlphaBlendColor ( ImU32 col_a , ImU32 col_b )
{
float t = ( ( col_b > > IM_COL32_A_SHIFT ) & 0xFF ) / 255.f ;
int r = ImLerp ( ( int ) ( col_a > > IM_COL32_R_SHIFT ) & 0xFF , ( int ) ( col_b > > IM_COL32_R_SHIFT ) & 0xFF , t ) ;
int g = ImLerp ( ( int ) ( col_a > > IM_COL32_G_SHIFT ) & 0xFF , ( int ) ( col_b > > IM_COL32_G_SHIFT ) & 0xFF , t ) ;
int b = ImLerp ( ( int ) ( col_a > > IM_COL32_B_SHIFT ) & 0xFF , ( int ) ( col_b > > IM_COL32_B_SHIFT ) & 0xFF , t ) ;
return IM_COL32 ( r , g , b , 0xFF ) ;
}
// NB: This is rather brittle and will show artifact when rounding this enabled if rounded corners overlap multiple cells. Caller currently responsible for avoiding that.
// I spent a non reasonable amount of time trying to getting this right for ColorButton with rounding+anti-aliasing+ImGuiColorEditFlags_HalfAlphaPreview flag + various grid sizes and offsets, and eventually gave up... probably more reasonable to disable rounding alltogether.
void ImGui : : RenderColorRectWithAlphaCheckerboard ( ImVec2 p_min , ImVec2 p_max , ImU32 col , float grid_step , ImVec2 grid_off , float rounding , int rounding_corners_flags )
{
ImGuiWindow * window = GetCurrentWindow ( ) ;
if ( ( ( col & IM_COL32_A_MASK ) > > IM_COL32_A_SHIFT ) < 0xFF )
{
ImU32 col_bg1 = GetColorU32 ( ImAlphaBlendColor ( IM_COL32 ( 204 , 204 , 204 , 255 ) , col ) ) ;
ImU32 col_bg2 = GetColorU32 ( ImAlphaBlendColor ( IM_COL32 ( 128 , 128 , 128 , 255 ) , col ) ) ;
window - > DrawList - > AddRectFilled ( p_min , p_max , col_bg1 , rounding , rounding_corners_flags ) ;
int yi = 0 ;
for ( float y = p_min . y + grid_off . y ; y < p_max . y ; y + = grid_step , yi + + )
{
float y1 = ImClamp ( y , p_min . y , p_max . y ) , y2 = ImMin ( y + grid_step , p_max . y ) ;
if ( y2 < = y1 )
continue ;
for ( float x = p_min . x + grid_off . x + ( yi & 1 ) * grid_step ; x < p_max . x ; x + = grid_step * 2.0f )
{
float x1 = ImClamp ( x , p_min . x , p_max . x ) , x2 = ImMin ( x + grid_step , p_max . x ) ;
if ( x2 < = x1 )
continue ;
int rounding_corners_flags_cell = 0 ;
if ( y1 < = p_min . y ) { if ( x1 < = p_min . x ) rounding_corners_flags_cell | = ImDrawCornerFlags_TopLeft ; if ( x2 > = p_max . x ) rounding_corners_flags_cell | = ImDrawCornerFlags_TopRight ; }
if ( y2 > = p_max . y ) { if ( x1 < = p_min . x ) rounding_corners_flags_cell | = ImDrawCornerFlags_BotLeft ; if ( x2 > = p_max . x ) rounding_corners_flags_cell | = ImDrawCornerFlags_BotRight ; }
rounding_corners_flags_cell & = rounding_corners_flags ;
window - > DrawList - > AddRectFilled ( ImVec2 ( x1 , y1 ) , ImVec2 ( x2 , y2 ) , col_bg2 , rounding_corners_flags_cell ? rounding : 0.0f , rounding_corners_flags_cell ) ;
}
}
}
else
{
window - > DrawList - > AddRectFilled ( p_min , p_max , col , rounding , rounding_corners_flags ) ;
}
}
void ImGui : : SetColorEditOptions ( ImGuiColorEditFlags flags )
{
ImGuiContext & g = * GImGui ;
if ( ( flags & ImGuiColorEditFlags__InputsMask ) = = 0 )
flags | = ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__InputsMask ;
if ( ( flags & ImGuiColorEditFlags__DataTypeMask ) = = 0 )
flags | = ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__DataTypeMask ;
if ( ( flags & ImGuiColorEditFlags__PickerMask ) = = 0 )
flags | = ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__PickerMask ;
IM_ASSERT ( ImIsPowerOfTwo ( ( int ) ( flags & ImGuiColorEditFlags__InputsMask ) ) ) ; // Check only 1 option is selected
IM_ASSERT ( ImIsPowerOfTwo ( ( int ) ( flags & ImGuiColorEditFlags__DataTypeMask ) ) ) ; // Check only 1 option is selected
IM_ASSERT ( ImIsPowerOfTwo ( ( int ) ( flags & ImGuiColorEditFlags__PickerMask ) ) ) ; // Check only 1 option is selected
g . ColorEditOptions = flags ;
}
// A little colored square. Return true when clicked.
// FIXME: May want to display/ignore the alpha component in the color display? Yet show it in the tooltip.
// 'desc_id' is not called 'label' because we don't display it next to the button, but only in the tooltip.
bool ImGui : : ColorButton ( const char * desc_id , const ImVec4 & col , ImGuiColorEditFlags flags , ImVec2 size )
{
ImGuiWindow * window = GetCurrentWindow ( ) ;
if ( window - > SkipItems )
return false ;
ImGuiContext & g = * GImGui ;
const ImGuiID id = window - > GetID ( desc_id ) ;
float default_size = GetFrameHeight ( ) ;
if ( size . x = = 0.0f )
size . x = default_size ;
if ( size . y = = 0.0f )
size . y = default_size ;
const ImRect bb ( window - > DC . CursorPos , window - > DC . CursorPos + size ) ;
ItemSize ( bb , ( size . y > = default_size ) ? g . Style . FramePadding . y : 0.0f ) ;
if ( ! ItemAdd ( bb , id ) )
return false ;
bool hovered , held ;
bool pressed = ButtonBehavior ( bb , id , & hovered , & held ) ;
if ( flags & ImGuiColorEditFlags_NoAlpha )
flags & = ~ ( ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf ) ;
ImVec4 col_without_alpha ( col . x , col . y , col . z , 1.0f ) ;
float grid_step = ImMin ( size . x , size . y ) / 2.99f ;
float rounding = ImMin ( g . Style . FrameRounding , grid_step * 0.5f ) ;
ImRect bb_inner = bb ;
float off = - 0.75f ; // The border (using Col_FrameBg) tends to look off when color is near-opaque and rounding is enabled. This offset seemed like a good middle ground to reduce those artifacts.
bb_inner . Expand ( off ) ;
if ( ( flags & ImGuiColorEditFlags_AlphaPreviewHalf ) & & col . w < 1.0f )
{
float mid_x = ( float ) ( int ) ( ( bb_inner . Min . x + bb_inner . Max . x ) * 0.5f + 0.5f ) ;
RenderColorRectWithAlphaCheckerboard ( ImVec2 ( bb_inner . Min . x + grid_step , bb_inner . Min . y ) , bb_inner . Max , GetColorU32 ( col ) , grid_step , ImVec2 ( - grid_step + off , off ) , rounding , ImDrawCornerFlags_TopRight | ImDrawCornerFlags_BotRight ) ;
window - > DrawList - > AddRectFilled ( bb_inner . Min , ImVec2 ( mid_x , bb_inner . Max . y ) , GetColorU32 ( col_without_alpha ) , rounding , ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotLeft ) ;
}
else
{
// Because GetColorU32() multiplies by the global style Alpha and we don't want to display a checkerboard if the source code had no alpha
ImVec4 col_source = ( flags & ImGuiColorEditFlags_AlphaPreview ) ? col : col_without_alpha ;
if ( col_source . w < 1.0f )
RenderColorRectWithAlphaCheckerboard ( bb_inner . Min , bb_inner . Max , GetColorU32 ( col_source ) , grid_step , ImVec2 ( off , off ) , rounding ) ;
else
window - > DrawList - > AddRectFilled ( bb_inner . Min , bb_inner . Max , GetColorU32 ( col_source ) , rounding , ImDrawCornerFlags_All ) ;
}
RenderNavHighlight ( bb , id ) ;
if ( g . Style . FrameBorderSize > 0.0f )
RenderFrameBorder ( bb . Min , bb . Max , rounding ) ;
else
window - > DrawList - > AddRect ( bb . Min , bb . Max , GetColorU32 ( ImGuiCol_FrameBg ) , rounding ) ; // Color button are often in need of some sort of border
// Drag and Drop Source
// NB: The ActiveId test is merely an optional micro-optimization, BeginDragDropSource() does the same test.
if ( g . ActiveId = = id & & ! ( flags & ImGuiColorEditFlags_NoDragDrop ) & & BeginDragDropSource ( ) )
{
if ( flags & ImGuiColorEditFlags_NoAlpha )
SetDragDropPayload ( IMGUI_PAYLOAD_TYPE_COLOR_3F , & col , sizeof ( float ) * 3 , ImGuiCond_Once ) ;
else
SetDragDropPayload ( IMGUI_PAYLOAD_TYPE_COLOR_4F , & col , sizeof ( float ) * 4 , ImGuiCond_Once ) ;
ColorButton ( desc_id , col , flags ) ;
SameLine ( ) ;
TextUnformatted ( " Color " ) ;
EndDragDropSource ( ) ;
}
// Tooltip
if ( ! ( flags & ImGuiColorEditFlags_NoTooltip ) & & hovered )
ColorTooltip ( desc_id , & col . x , flags & ( ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf ) ) ;
if ( pressed )
MarkItemEdited ( id ) ;
return pressed ;
}
bool ImGui : : ColorEdit3 ( const char * label , float col [ 3 ] , ImGuiColorEditFlags flags )
{
return ColorEdit4 ( label , col , flags | ImGuiColorEditFlags_NoAlpha ) ;
}
void ImGui : : ColorEditOptionsPopup ( const float * col , ImGuiColorEditFlags flags )
{
bool allow_opt_inputs = ! ( flags & ImGuiColorEditFlags__InputsMask ) ;
bool allow_opt_datatype = ! ( flags & ImGuiColorEditFlags__DataTypeMask ) ;
if ( ( ! allow_opt_inputs & & ! allow_opt_datatype ) | | ! BeginPopup ( " context " ) )
return ;
ImGuiContext & g = * GImGui ;
ImGuiColorEditFlags opts = g . ColorEditOptions ;
if ( allow_opt_inputs )
{
if ( RadioButton ( " RGB " , ( opts & ImGuiColorEditFlags_RGB ) ! = 0 ) ) opts = ( opts & ~ ImGuiColorEditFlags__InputsMask ) | ImGuiColorEditFlags_RGB ;
if ( RadioButton ( " HSV " , ( opts & ImGuiColorEditFlags_HSV ) ! = 0 ) ) opts = ( opts & ~ ImGuiColorEditFlags__InputsMask ) | ImGuiColorEditFlags_HSV ;
if ( RadioButton ( " HEX " , ( opts & ImGuiColorEditFlags_HEX ) ! = 0 ) ) opts = ( opts & ~ ImGuiColorEditFlags__InputsMask ) | ImGuiColorEditFlags_HEX ;
}
if ( allow_opt_datatype )
{
if ( allow_opt_inputs ) Separator ( ) ;
if ( RadioButton ( " 0..255 " , ( opts & ImGuiColorEditFlags_Uint8 ) ! = 0 ) ) opts = ( opts & ~ ImGuiColorEditFlags__DataTypeMask ) | ImGuiColorEditFlags_Uint8 ;
if ( RadioButton ( " 0.00..1.00 " , ( opts & ImGuiColorEditFlags_Float ) ! = 0 ) ) opts = ( opts & ~ ImGuiColorEditFlags__DataTypeMask ) | ImGuiColorEditFlags_Float ;
}
if ( allow_opt_inputs | | allow_opt_datatype )
Separator ( ) ;
if ( Button ( " Copy as.. " , ImVec2 ( - 1 , 0 ) ) )
OpenPopup ( " Copy " ) ;
if ( BeginPopup ( " Copy " ) )
{
int cr = IM_F32_TO_INT8_SAT ( col [ 0 ] ) , cg = IM_F32_TO_INT8_SAT ( col [ 1 ] ) , cb = IM_F32_TO_INT8_SAT ( col [ 2 ] ) , ca = ( flags & ImGuiColorEditFlags_NoAlpha ) ? 255 : IM_F32_TO_INT8_SAT ( col [ 3 ] ) ;
char buf [ 64 ] ;
ImFormatString ( buf , IM_ARRAYSIZE ( buf ) , " (%.3ff, %.3ff, %.3ff, %.3ff) " , col [ 0 ] , col [ 1 ] , col [ 2 ] , ( flags & ImGuiColorEditFlags_NoAlpha ) ? 1.0f : col [ 3 ] ) ;
if ( Selectable ( buf ) )
SetClipboardText ( buf ) ;
ImFormatString ( buf , IM_ARRAYSIZE ( buf ) , " (%d,%d,%d,%d) " , cr , cg , cb , ca ) ;
if ( Selectable ( buf ) )
SetClipboardText ( buf ) ;
if ( flags & ImGuiColorEditFlags_NoAlpha )
ImFormatString ( buf , IM_ARRAYSIZE ( buf ) , " 0x%02X%02X%02X " , cr , cg , cb ) ;
else
ImFormatString ( buf , IM_ARRAYSIZE ( buf ) , " 0x%02X%02X%02X%02X " , cr , cg , cb , ca ) ;
if ( Selectable ( buf ) )
SetClipboardText ( buf ) ;
EndPopup ( ) ;
}
g . ColorEditOptions = opts ;
EndPopup ( ) ;
}
void ImGui : : ColorPickerOptionsPopup ( const float * ref_col , ImGuiColorEditFlags flags )
{
bool allow_opt_picker = ! ( flags & ImGuiColorEditFlags__PickerMask ) ;
bool allow_opt_alpha_bar = ! ( flags & ImGuiColorEditFlags_NoAlpha ) & & ! ( flags & ImGuiColorEditFlags_AlphaBar ) ;
if ( ( ! allow_opt_picker & & ! allow_opt_alpha_bar ) | | ! ImGui : : BeginPopup ( " context " ) )
return ;
ImGuiContext & g = * GImGui ;
if ( allow_opt_picker )
{
ImVec2 picker_size ( g . FontSize * 8 , ImMax ( g . FontSize * 8 - ( ImGui : : GetFrameHeight ( ) + g . Style . ItemInnerSpacing . x ) , 1.0f ) ) ; // FIXME: Picker size copied from main picker function
ImGui : : PushItemWidth ( picker_size . x ) ;
for ( int picker_type = 0 ; picker_type < 2 ; picker_type + + )
{
// Draw small/thumbnail version of each picker type (over an invisible button for selection)
if ( picker_type > 0 ) ImGui : : Separator ( ) ;
ImGui : : PushID ( picker_type ) ;
ImGuiColorEditFlags picker_flags = ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_NoSidePreview | ( flags & ImGuiColorEditFlags_NoAlpha ) ;
if ( picker_type = = 0 ) picker_flags | = ImGuiColorEditFlags_PickerHueBar ;
if ( picker_type = = 1 ) picker_flags | = ImGuiColorEditFlags_PickerHueWheel ;
ImVec2 backup_pos = ImGui : : GetCursorScreenPos ( ) ;
if ( ImGui : : Selectable ( " ##selectable " , false , 0 , picker_size ) ) // By default, Selectable() is closing popup
g . ColorEditOptions = ( g . ColorEditOptions & ~ ImGuiColorEditFlags__PickerMask ) | ( picker_flags & ImGuiColorEditFlags__PickerMask ) ;
ImGui : : SetCursorScreenPos ( backup_pos ) ;
ImVec4 dummy_ref_col ;
memcpy ( & dummy_ref_col . x , ref_col , sizeof ( float ) * ( picker_flags & ImGuiColorEditFlags_NoAlpha ? 3 : 4 ) ) ;
ImGui : : ColorPicker4 ( " ##dummypicker " , & dummy_ref_col . x , picker_flags ) ;
ImGui : : PopID ( ) ;
}
ImGui : : PopItemWidth ( ) ;
}
if ( allow_opt_alpha_bar )
{
if ( allow_opt_picker ) ImGui : : Separator ( ) ;
ImGui : : CheckboxFlags ( " Alpha Bar " , ( unsigned int * ) & g . ColorEditOptions , ImGuiColorEditFlags_AlphaBar ) ;
}
ImGui : : EndPopup ( ) ;
}
// Edit colors components (each component in 0.0f..1.0f range).
// See enum ImGuiColorEditFlags_ for available options. e.g. Only access 3 floats if ImGuiColorEditFlags_NoAlpha flag is set.
// With typical options: Left-click on colored square to open color picker. Right-click to open option menu. CTRL-Click over input fields to edit them and TAB to go to next item.
bool ImGui : : ColorEdit4 ( const char * label , float col [ 4 ] , ImGuiColorEditFlags flags )
{
ImGuiWindow * window = GetCurrentWindow ( ) ;
if ( window - > SkipItems )
return false ;
ImGuiContext & g = * GImGui ;
const ImGuiStyle & style = g . Style ;
const float square_sz = GetFrameHeight ( ) ;
const float w_extra = ( flags & ImGuiColorEditFlags_NoSmallPreview ) ? 0.0f : ( square_sz + style . ItemInnerSpacing . x ) ;
const float w_items_all = CalcItemWidth ( ) - w_extra ;
const char * label_display_end = FindRenderedTextEnd ( label ) ;
BeginGroup ( ) ;
PushID ( label ) ;
// If we're not showing any slider there's no point in doing any HSV conversions
const ImGuiColorEditFlags flags_untouched = flags ;
if ( flags & ImGuiColorEditFlags_NoInputs )
flags = ( flags & ( ~ ImGuiColorEditFlags__InputsMask ) ) | ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_NoOptions ;
// Context menu: display and modify options (before defaults are applied)
if ( ! ( flags & ImGuiColorEditFlags_NoOptions ) )
ColorEditOptionsPopup ( col , flags ) ;
// Read stored options
if ( ! ( flags & ImGuiColorEditFlags__InputsMask ) )
flags | = ( g . ColorEditOptions & ImGuiColorEditFlags__InputsMask ) ;
if ( ! ( flags & ImGuiColorEditFlags__DataTypeMask ) )
flags | = ( g . ColorEditOptions & ImGuiColorEditFlags__DataTypeMask ) ;
if ( ! ( flags & ImGuiColorEditFlags__PickerMask ) )
flags | = ( g . ColorEditOptions & ImGuiColorEditFlags__PickerMask ) ;
flags | = ( g . ColorEditOptions & ~ ( ImGuiColorEditFlags__InputsMask | ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__PickerMask ) ) ;
const bool alpha = ( flags & ImGuiColorEditFlags_NoAlpha ) = = 0 ;
const bool hdr = ( flags & ImGuiColorEditFlags_HDR ) ! = 0 ;
const int components = alpha ? 4 : 3 ;
// Convert to the formats we need
float f [ 4 ] = { col [ 0 ] , col [ 1 ] , col [ 2 ] , alpha ? col [ 3 ] : 1.0f } ;
if ( flags & ImGuiColorEditFlags_HSV )
ColorConvertRGBtoHSV ( f [ 0 ] , f [ 1 ] , f [ 2 ] , f [ 0 ] , f [ 1 ] , f [ 2 ] ) ;
int i [ 4 ] = { IM_F32_TO_INT8_UNBOUND ( f [ 0 ] ) , IM_F32_TO_INT8_UNBOUND ( f [ 1 ] ) , IM_F32_TO_INT8_UNBOUND ( f [ 2 ] ) , IM_F32_TO_INT8_UNBOUND ( f [ 3 ] ) } ;
bool value_changed = false ;
bool value_changed_as_float = false ;
if ( ( flags & ( ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV ) ) ! = 0 & & ( flags & ImGuiColorEditFlags_NoInputs ) = = 0 )
{
// RGB/HSV 0..255 Sliders
const float w_item_one = ImMax ( 1.0f , ( float ) ( int ) ( ( w_items_all - ( style . ItemInnerSpacing . x ) * ( components - 1 ) ) / ( float ) components ) ) ;
const float w_item_last = ImMax ( 1.0f , ( float ) ( int ) ( w_items_all - ( w_item_one + style . ItemInnerSpacing . x ) * ( components - 1 ) ) ) ;
const bool hide_prefix = ( w_item_one < = CalcTextSize ( ( flags & ImGuiColorEditFlags_Float ) ? " M:0.000 " : " M:000 " ) . x ) ;
const char * ids [ 4 ] = { " ##X " , " ##Y " , " ##Z " , " ##W " } ;
const char * fmt_table_int [ 3 ] [ 4 ] =
{
{ " %3d " , " %3d " , " %3d " , " %3d " } , // Short display
{ " R:%3d " , " G:%3d " , " B:%3d " , " A:%3d " } , // Long display for RGBA
{ " H:%3d " , " S:%3d " , " V:%3d " , " A:%3d " } // Long display for HSVA
} ;
const char * fmt_table_float [ 3 ] [ 4 ] =
{
{ " %0.3f " , " %0.3f " , " %0.3f " , " %0.3f " } , // Short display
{ " R:%0.3f " , " G:%0.3f " , " B:%0.3f " , " A:%0.3f " } , // Long display for RGBA
{ " H:%0.3f " , " S:%0.3f " , " V:%0.3f " , " A:%0.3f " } // Long display for HSVA
} ;
const int fmt_idx = hide_prefix ? 0 : ( flags & ImGuiColorEditFlags_HSV ) ? 2 : 1 ;
PushItemWidth ( w_item_one ) ;
for ( int n = 0 ; n < components ; n + + )
{
if ( n > 0 )
SameLine ( 0 , style . ItemInnerSpacing . x ) ;
if ( n + 1 = = components )
PushItemWidth ( w_item_last ) ;
if ( flags & ImGuiColorEditFlags_Float )
value_changed = value_changed_as_float = value_changed | DragFloat ( ids [ n ] , & f [ n ] , 1.0f / 255.0f , 0.0f , hdr ? 0.0f : 1.0f , fmt_table_float [ fmt_idx ] [ n ] ) ;
else
value_changed | = DragInt ( ids [ n ] , & i [ n ] , 1.0f , 0 , hdr ? 0 : 255 , fmt_table_int [ fmt_idx ] [ n ] ) ;
if ( ! ( flags & ImGuiColorEditFlags_NoOptions ) )
OpenPopupOnItemClick ( " context " ) ;
}
PopItemWidth ( ) ;
PopItemWidth ( ) ;
}
else if ( ( flags & ImGuiColorEditFlags_HEX ) ! = 0 & & ( flags & ImGuiColorEditFlags_NoInputs ) = = 0 )
{
// RGB Hexadecimal Input
char buf [ 64 ] ;
if ( alpha )
ImFormatString ( buf , IM_ARRAYSIZE ( buf ) , " #%02X%02X%02X%02X " , ImClamp ( i [ 0 ] , 0 , 255 ) , ImClamp ( i [ 1 ] , 0 , 255 ) , ImClamp ( i [ 2 ] , 0 , 255 ) , ImClamp ( i [ 3 ] , 0 , 255 ) ) ;
else
ImFormatString ( buf , IM_ARRAYSIZE ( buf ) , " #%02X%02X%02X " , ImClamp ( i [ 0 ] , 0 , 255 ) , ImClamp ( i [ 1 ] , 0 , 255 ) , ImClamp ( i [ 2 ] , 0 , 255 ) ) ;
PushItemWidth ( w_items_all ) ;
if ( InputText ( " ##Text " , buf , IM_ARRAYSIZE ( buf ) , ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsUppercase ) )
{
value_changed = true ;
char * p = buf ;
while ( * p = = ' # ' | | ImCharIsBlankA ( * p ) )
p + + ;
i [ 0 ] = i [ 1 ] = i [ 2 ] = i [ 3 ] = 0 ;
if ( alpha )
sscanf ( p , " %02X%02X%02X%02X " , ( unsigned int * ) & i [ 0 ] , ( unsigned int * ) & i [ 1 ] , ( unsigned int * ) & i [ 2 ] , ( unsigned int * ) & i [ 3 ] ) ; // Treat at unsigned (%X is unsigned)
else
sscanf ( p , " %02X%02X%02X " , ( unsigned int * ) & i [ 0 ] , ( unsigned int * ) & i [ 1 ] , ( unsigned int * ) & i [ 2 ] ) ;
}
if ( ! ( flags & ImGuiColorEditFlags_NoOptions ) )
OpenPopupOnItemClick ( " context " ) ;
PopItemWidth ( ) ;
}
ImGuiWindow * picker_active_window = NULL ;
if ( ! ( flags & ImGuiColorEditFlags_NoSmallPreview ) )
{
if ( ! ( flags & ImGuiColorEditFlags_NoInputs ) )
SameLine ( 0 , style . ItemInnerSpacing . x ) ;
const ImVec4 col_v4 ( col [ 0 ] , col [ 1 ] , col [ 2 ] , alpha ? col [ 3 ] : 1.0f ) ;
if ( ColorButton ( " ##ColorButton " , col_v4 , flags ) )
{
if ( ! ( flags & ImGuiColorEditFlags_NoPicker ) )
{
// Store current color and open a picker
g . ColorPickerRef = col_v4 ;
OpenPopup ( " picker " ) ;
SetNextWindowPos ( window - > DC . LastItemRect . GetBL ( ) + ImVec2 ( - 1 , style . ItemSpacing . y ) ) ;
}
}
if ( ! ( flags & ImGuiColorEditFlags_NoOptions ) )
OpenPopupOnItemClick ( " context " ) ;
if ( BeginPopup ( " picker " ) )
{
picker_active_window = g . CurrentWindow ;
if ( label ! = label_display_end )
{
TextUnformatted ( label , label_display_end ) ;
Separator ( ) ;
}
ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__PickerMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar ;
ImGuiColorEditFlags picker_flags = ( flags_untouched & picker_flags_to_forward ) | ImGuiColorEditFlags__InputsMask | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_AlphaPreviewHalf ;
PushItemWidth ( square_sz * 12.0f ) ; // Use 256 + bar sizes?
value_changed | = ColorPicker4 ( " ##picker " , col , picker_flags , & g . ColorPickerRef . x ) ;
PopItemWidth ( ) ;
EndPopup ( ) ;
}
}
if ( label ! = label_display_end & & ! ( flags & ImGuiColorEditFlags_NoLabel ) )
{
SameLine ( 0 , style . ItemInnerSpacing . x ) ;
TextUnformatted ( label , label_display_end ) ;
}
// Convert back
if ( picker_active_window = = NULL )
{
if ( ! value_changed_as_float )
for ( int n = 0 ; n < 4 ; n + + )
f [ n ] = i [ n ] / 255.0f ;
if ( flags & ImGuiColorEditFlags_HSV )
ColorConvertHSVtoRGB ( f [ 0 ] , f [ 1 ] , f [ 2 ] , f [ 0 ] , f [ 1 ] , f [ 2 ] ) ;
if ( value_changed )
{
col [ 0 ] = f [ 0 ] ;
col [ 1 ] = f [ 1 ] ;
col [ 2 ] = f [ 2 ] ;
if ( alpha )
col [ 3 ] = f [ 3 ] ;
}
}
PopID ( ) ;
EndGroup ( ) ;
// Drag and Drop Target
// NB: The flag test is merely an optional micro-optimization, BeginDragDropTarget() does the same test.
if ( ( window - > DC . LastItemStatusFlags & ImGuiItemStatusFlags_HoveredRect ) & & ! ( flags & ImGuiColorEditFlags_NoDragDrop ) & & BeginDragDropTarget ( ) )
{
if ( const ImGuiPayload * payload = AcceptDragDropPayload ( IMGUI_PAYLOAD_TYPE_COLOR_3F ) )
{
memcpy ( ( float * ) col , payload - > Data , sizeof ( float ) * 3 ) ;
value_changed = true ;
}
if ( const ImGuiPayload * payload = AcceptDragDropPayload ( IMGUI_PAYLOAD_TYPE_COLOR_4F ) )
{
memcpy ( ( float * ) col , payload - > Data , sizeof ( float ) * components ) ;
value_changed = true ;
}
EndDragDropTarget ( ) ;
}
// When picker is being actively used, use its active id so IsItemActive() will function on ColorEdit4().
if ( picker_active_window & & g . ActiveId ! = 0 & & g . ActiveIdWindow = = picker_active_window )
window - > DC . LastItemId = g . ActiveId ;
if ( value_changed )
MarkItemEdited ( window - > DC . LastItemId ) ;
return value_changed ;
}
bool ImGui : : ColorPicker3 ( const char * label , float col [ 3 ] , ImGuiColorEditFlags flags )
{
float col4 [ 4 ] = { col [ 0 ] , col [ 1 ] , col [ 2 ] , 1.0f } ;
if ( ! ColorPicker4 ( label , col4 , flags | ImGuiColorEditFlags_NoAlpha ) )
return false ;
col [ 0 ] = col4 [ 0 ] ; col [ 1 ] = col4 [ 1 ] ; col [ 2 ] = col4 [ 2 ] ;
return true ;
}
static void RenderArrowsForVerticalBar ( ImDrawList * draw_list , ImVec2 pos , ImVec2 half_sz , float bar_w )
{
ImGui : : RenderArrowPointingAt ( draw_list , ImVec2 ( pos . x + half_sz . x + 1 , pos . y ) , ImVec2 ( half_sz . x + 2 , half_sz . y + 1 ) , ImGuiDir_Right , IM_COL32_BLACK ) ;
ImGui : : RenderArrowPointingAt ( draw_list , ImVec2 ( pos . x + half_sz . x , pos . y ) , half_sz , ImGuiDir_Right , IM_COL32_WHITE ) ;
ImGui : : RenderArrowPointingAt ( draw_list , ImVec2 ( pos . x + bar_w - half_sz . x - 1 , pos . y ) , ImVec2 ( half_sz . x + 2 , half_sz . y + 1 ) , ImGuiDir_Left , IM_COL32_BLACK ) ;
ImGui : : RenderArrowPointingAt ( draw_list , ImVec2 ( pos . x + bar_w - half_sz . x , pos . y ) , half_sz , ImGuiDir_Left , IM_COL32_WHITE ) ;
}
// ColorPicker
// Note: only access 3 floats if ImGuiColorEditFlags_NoAlpha flag is set.
// FIXME: we adjust the big color square height based on item width, which may cause a flickering feedback loop (if automatic height makes a vertical scrollbar appears, affecting automatic width..)
bool ImGui : : ColorPicker4 ( const char * label , float col [ 4 ] , ImGuiColorEditFlags flags , const float * ref_col )
{
ImGuiContext & g = * GImGui ;
ImGuiWindow * window = GetCurrentWindow ( ) ;
ImDrawList * draw_list = window - > DrawList ;
ImGuiStyle & style = g . Style ;
ImGuiIO & io = g . IO ;
PushID ( label ) ;
BeginGroup ( ) ;
if ( ! ( flags & ImGuiColorEditFlags_NoSidePreview ) )
flags | = ImGuiColorEditFlags_NoSmallPreview ;
// Context menu: display and store options.
if ( ! ( flags & ImGuiColorEditFlags_NoOptions ) )
// Read stored options
if ( ! ( flags & ImGuiColorEditFlags__PickerMask ) )
flags | = ( ( g . ColorEditOptions & ImGuiColorEditFlags__PickerMask ) ? g . ColorEditOptions : ImGuiColorEditFlags__OptionsDefault ) & ImGuiColorEditFlags__PickerMask ;
IM_ASSERT ( ImIsPowerOfTwo ( ( int ) ( flags & ImGuiColorEditFlags__PickerMask ) ) ) ; // Check that only 1 is selected
if ( ! ( flags & ImGuiColorEditFlags_NoOptions ) )
flags | = ( g . ColorEditOptions & ImGuiColorEditFlags_AlphaBar ) ;
// Setup
int components = ( flags & ImGuiColorEditFlags_NoAlpha ) ? 3 : 4 ;
bool alpha_bar = ( flags & ImGuiColorEditFlags_AlphaBar ) & & ! ( flags & ImGuiColorEditFlags_NoAlpha ) ;
ImVec2 picker_pos = window - > DC . CursorPos ;
float square_sz = GetFrameHeight ( ) ;
float bars_width = square_sz ; // Arbitrary smallish width of Hue/Alpha picking bars
float sv_picker_size = ImMax ( bars_width * 1 , CalcItemWidth ( ) - ( alpha_bar ? 2 : 1 ) * ( bars_width + style . ItemInnerSpacing . x ) ) ; // Saturation/Value picking box
float bar0_pos_x = picker_pos . x + sv_picker_size + style . ItemInnerSpacing . x ;
float bar1_pos_x = bar0_pos_x + bars_width + style . ItemInnerSpacing . x ;
float bars_triangles_half_sz = ( float ) ( int ) ( bars_width * 0.20f ) ;
float backup_initial_col [ 4 ] ;
memcpy ( backup_initial_col , col , components * sizeof ( float ) ) ;
float wheel_thickness = sv_picker_size * 0.08f ;
float wheel_r_outer = sv_picker_size * 0.50f ;
float wheel_r_inner = wheel_r_outer - wheel_thickness ;
ImVec2 wheel_center ( picker_pos . x + ( sv_picker_size + bars_width ) * 0.5f , picker_pos . y + sv_picker_size * 0.5f ) ;
// Note: the triangle is displayed rotated with triangle_pa pointing to Hue, but most coordinates stays unrotated for logic.
float triangle_r = wheel_r_inner - ( int ) ( sv_picker_size * 0.027f ) ;
ImVec2 triangle_pa = ImVec2 ( triangle_r , 0.0f ) ; // Hue point.
ImVec2 triangle_pb = ImVec2 ( triangle_r * - 0.5f , triangle_r * - 0.866025f ) ; // Black point.
ImVec2 triangle_pc = ImVec2 ( triangle_r * - 0.5f , triangle_r * + 0.866025f ) ; // White point.
float H , S , V ;
ColorConvertRGBtoHSV ( col [ 0 ] , col [ 1 ] , col [ 2 ] , H , S , V ) ;
bool value_changed = false , value_changed_h = false , value_changed_sv = false ;
PushItemFlag ( ImGuiItemFlags_NoNav , true ) ;
if ( flags & ImGuiColorEditFlags_PickerHueWheel )
{
// Hue wheel + SV triangle logic
InvisibleButton ( " hsv " , ImVec2 ( sv_picker_size + style . ItemInnerSpacing . x + bars_width , sv_picker_size ) ) ;
if ( IsItemActive ( ) )
{
ImVec2 initial_off = g . IO . MouseClickedPos [ 0 ] - wheel_center ;
ImVec2 current_off = g . IO . MousePos - wheel_center ;
float initial_dist2 = ImLengthSqr ( initial_off ) ;
if ( initial_dist2 > = ( wheel_r_inner - 1 ) * ( wheel_r_inner - 1 ) & & initial_dist2 < = ( wheel_r_outer + 1 ) * ( wheel_r_outer + 1 ) )
{
// Interactive with Hue wheel
H = ImAtan2 ( current_off . y , current_off . x ) / IM_PI * 0.5f ;
if ( H < 0.0f )
H + = 1.0f ;
value_changed = value_changed_h = true ;
}
float cos_hue_angle = ImCos ( - H * 2.0f * IM_PI ) ;
float sin_hue_angle = ImSin ( - H * 2.0f * IM_PI ) ;
if ( ImTriangleContainsPoint ( triangle_pa , triangle_pb , triangle_pc , ImRotate ( initial_off , cos_hue_angle , sin_hue_angle ) ) )
{
// Interacting with SV triangle
ImVec2 current_off_unrotated = ImRotate ( current_off , cos_hue_angle , sin_hue_angle ) ;
if ( ! ImTriangleContainsPoint ( triangle_pa , triangle_pb , triangle_pc , current_off_unrotated ) )
current_off_unrotated = ImTriangleClosestPoint ( triangle_pa , triangle_pb , triangle_pc , current_off_unrotated ) ;
float uu , vv , ww ;
ImTriangleBarycentricCoords ( triangle_pa , triangle_pb , triangle_pc , current_off_unrotated , uu , vv , ww ) ;
V = ImClamp ( 1.0f - vv , 0.0001f , 1.0f ) ;
S = ImClamp ( uu / V , 0.0001f , 1.0f ) ;
value_changed = value_changed_sv = true ;
}
}
if ( ! ( flags & ImGuiColorEditFlags_NoOptions ) )
OpenPopupOnItemClick ( " context " ) ;
}
else if ( flags & ImGuiColorEditFlags_PickerHueBar )
{
// SV rectangle logic
InvisibleButton ( " sv " , ImVec2 ( sv_picker_size , sv_picker_size ) ) ;
if ( IsItemActive ( ) )
{
S = ImSaturate ( ( io . MousePos . x - picker_pos . x ) / ( sv_picker_size - 1 ) ) ;
V = 1.0f - ImSaturate ( ( io . MousePos . y - picker_pos . y ) / ( sv_picker_size - 1 ) ) ;
value_changed = value_changed_sv = true ;
}
if ( ! ( flags & ImGuiColorEditFlags_NoOptions ) )
OpenPopupOnItemClick ( " context " ) ;
// Hue bar logic
SetCursorScreenPos ( ImVec2 ( bar0_pos_x , picker_pos . y ) ) ;
InvisibleButton ( " hue " , ImVec2 ( bars_width , sv_picker_size ) ) ;
if ( IsItemActive ( ) )
{
H = ImSaturate ( ( io . MousePos . y - picker_pos . y ) / ( sv_picker_size - 1 ) ) ;
value_changed = value_changed_h = true ;
}
}
// Alpha bar logic
if ( alpha_bar )
{
SetCursorScreenPos ( ImVec2 ( bar1_pos_x , picker_pos . y ) ) ;
InvisibleButton ( " alpha " , ImVec2 ( bars_width , sv_picker_size ) ) ;
if ( IsItemActive ( ) )
{
col [ 3 ] = 1.0f - ImSaturate ( ( io . MousePos . y - picker_pos . y ) / ( sv_picker_size - 1 ) ) ;
value_changed = true ;
}
}
PopItemFlag ( ) ; // ImGuiItemFlags_NoNav
if ( ! ( flags & ImGuiColorEditFlags_NoSidePreview ) )
{
SameLine ( 0 , style . ItemInnerSpacing . x ) ;
BeginGroup ( ) ;
}
if ( ! ( flags & ImGuiColorEditFlags_NoLabel ) )
{
const char * label_display_end = FindRenderedTextEnd ( label ) ;
if ( label ! = label_display_end )
{
if ( ( flags & ImGuiColorEditFlags_NoSidePreview ) )
SameLine ( 0 , style . ItemInnerSpacing . x ) ;
TextUnformatted ( label , label_display_end ) ;
}
}
if ( ! ( flags & ImGuiColorEditFlags_NoSidePreview ) )
{
PushItemFlag ( ImGuiItemFlags_NoNavDefaultFocus , true ) ;
ImVec4 col_v4 ( col [ 0 ] , col [ 1 ] , col [ 2 ] , ( flags & ImGuiColorEditFlags_NoAlpha ) ? 1.0f : col [ 3 ] ) ;
if ( ( flags & ImGuiColorEditFlags_NoLabel ) )
Text ( " Current " ) ;
ColorButton ( " ##current " , col_v4 , ( flags & ( ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf | ImGuiColorEditFlags_NoTooltip ) ) , ImVec2 ( square_sz * 3 , square_sz * 2 ) ) ;
if ( ref_col ! = NULL )
{
Text ( " Original " ) ;
ImVec4 ref_col_v4 ( ref_col [ 0 ] , ref_col [ 1 ] , ref_col [ 2 ] , ( flags & ImGuiColorEditFlags_NoAlpha ) ? 1.0f : ref_col [ 3 ] ) ;
if ( ColorButton ( " ##original " , ref_col_v4 , ( flags & ( ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf | ImGuiColorEditFlags_NoTooltip ) ) , ImVec2 ( square_sz * 3 , square_sz * 2 ) ) )
{
memcpy ( col , ref_col , components * sizeof ( float ) ) ;
value_changed = true ;
}
}
PopItemFlag ( ) ;
EndGroup ( ) ;
}
// Convert back color to RGB
if ( value_changed_h | | value_changed_sv )
ColorConvertHSVtoRGB ( H > = 1.0f ? H - 10 * 1e-6 f : H , S > 0.0f ? S : 10 * 1e-6 f , V > 0.0f ? V : 1e-6 f , col [ 0 ] , col [ 1 ] , col [ 2 ] ) ;
// R,G,B and H,S,V slider color editor
bool value_changed_fix_hue_wrap = false ;
if ( ( flags & ImGuiColorEditFlags_NoInputs ) = = 0 )
{
PushItemWidth ( ( alpha_bar ? bar1_pos_x : bar0_pos_x ) + bars_width - picker_pos . x ) ;
ImGuiColorEditFlags sub_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_NoSmallPreview | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf ;
ImGuiColorEditFlags sub_flags = ( flags & sub_flags_to_forward ) | ImGuiColorEditFlags_NoPicker ;
if ( flags & ImGuiColorEditFlags_RGB | | ( flags & ImGuiColorEditFlags__InputsMask ) = = 0 )
if ( ColorEdit4 ( " ##rgb " , col , sub_flags | ImGuiColorEditFlags_RGB ) )
{
// FIXME: Hackily differenciating using the DragInt (ActiveId != 0 && !ActiveIdAllowOverlap) vs. using the InputText or DropTarget.
// For the later we don't want to run the hue-wrap canceling code. If you are well versed in HSV picker please provide your input! (See #2050)
value_changed_fix_hue_wrap = ( g . ActiveId ! = 0 & & ! g . ActiveIdAllowOverlap ) ;
value_changed = true ;
}
if ( flags & ImGuiColorEditFlags_HSV | | ( flags & ImGuiColorEditFlags__InputsMask ) = = 0 )
value_changed | = ColorEdit4 ( " ##hsv " , col , sub_flags | ImGuiColorEditFlags_HSV ) ;
if ( flags & ImGuiColorEditFlags_HEX | | ( flags & ImGuiColorEditFlags__InputsMask ) = = 0 )
value_changed | = ColorEdit4 ( " ##hex " , col , sub_flags | ImGuiColorEditFlags_HEX ) ;
PopItemWidth ( ) ;
}
// Try to cancel hue wrap (after ColorEdit4 call), if any
if ( value_changed_fix_hue_wrap )
{
float new_H , new_S , new_V ;
ColorConvertRGBtoHSV ( col [ 0 ] , col [ 1 ] , col [ 2 ] , new_H , new_S , new_V ) ;
if ( new_H < = 0 & & H > 0 )
{
if ( new_V < = 0 & & V ! = new_V )
ColorConvertHSVtoRGB ( H , S , new_V < = 0 ? V * 0.5f : new_V , col [ 0 ] , col [ 1 ] , col [ 2 ] ) ;
else if ( new_S < = 0 )
ColorConvertHSVtoRGB ( H , new_S < = 0 ? S * 0.5f : new_S , new_V , col [ 0 ] , col [ 1 ] , col [ 2 ] ) ;
}
}
ImVec4 hue_color_f ( 1 , 1 , 1 , 1 ) ; ColorConvertHSVtoRGB ( H , 1 , 1 , hue_color_f . x , hue_color_f . y , hue_color_f . z ) ;
ImU32 hue_color32 = ColorConvertFloat4ToU32 ( hue_color_f ) ;
ImU32 col32_no_alpha = ColorConvertFloat4ToU32 ( ImVec4 ( col [ 0 ] , col [ 1 ] , col [ 2 ] , 1.0f ) ) ;
const ImU32 hue_colors [ 6 + 1 ] = { IM_COL32 ( 255 , 0 , 0 , 255 ) , IM_COL32 ( 255 , 255 , 0 , 255 ) , IM_COL32 ( 0 , 255 , 0 , 255 ) , IM_COL32 ( 0 , 255 , 255 , 255 ) , IM_COL32 ( 0 , 0 , 255 , 255 ) , IM_COL32 ( 255 , 0 , 255 , 255 ) , IM_COL32 ( 255 , 0 , 0 , 255 ) } ;
ImVec2 sv_cursor_pos ;
if ( flags & ImGuiColorEditFlags_PickerHueWheel )
{
// Render Hue Wheel
const float aeps = 1.5f / wheel_r_outer ; // Half a pixel arc length in radians (2pi cancels out).
const int segment_per_arc = ImMax ( 4 , ( int ) wheel_r_outer / 12 ) ;
for ( int n = 0 ; n < 6 ; n + + )
{
const float a0 = ( n ) / 6.0f * 2.0f * IM_PI - aeps ;
const float a1 = ( n + 1.0f ) / 6.0f * 2.0f * IM_PI + aeps ;
const int vert_start_idx = draw_list - > VtxBuffer . Size ;
draw_list - > PathArcTo ( wheel_center , ( wheel_r_inner + wheel_r_outer ) * 0.5f , a0 , a1 , segment_per_arc ) ;
draw_list - > PathStroke ( IM_COL32_WHITE , false , wheel_thickness ) ;
const int vert_end_idx = draw_list - > VtxBuffer . Size ;
// Paint colors over existing vertices
ImVec2 gradient_p0 ( wheel_center . x + ImCos ( a0 ) * wheel_r_inner , wheel_center . y + ImSin ( a0 ) * wheel_r_inner ) ;
ImVec2 gradient_p1 ( wheel_center . x + ImCos ( a1 ) * wheel_r_inner , wheel_center . y + ImSin ( a1 ) * wheel_r_inner ) ;
ShadeVertsLinearColorGradientKeepAlpha ( draw_list , vert_start_idx , vert_end_idx , gradient_p0 , gradient_p1 , hue_colors [ n ] , hue_colors [ n + 1 ] ) ;
}
// Render Cursor + preview on Hue Wheel
float cos_hue_angle = ImCos ( H * 2.0f * IM_PI ) ;
float sin_hue_angle = ImSin ( H * 2.0f * IM_PI ) ;
ImVec2 hue_cursor_pos ( wheel_center . x + cos_hue_angle * ( wheel_r_inner + wheel_r_outer ) * 0.5f , wheel_center . y + sin_hue_angle * ( wheel_r_inner + wheel_r_outer ) * 0.5f ) ;
float hue_cursor_rad = value_changed_h ? wheel_thickness * 0.65f : wheel_thickness * 0.55f ;
int hue_cursor_segments = ImClamp ( ( int ) ( hue_cursor_rad / 1.4f ) , 9 , 32 ) ;
draw_list - > AddCircleFilled ( hue_cursor_pos , hue_cursor_rad , hue_color32 , hue_cursor_segments ) ;
draw_list - > AddCircle ( hue_cursor_pos , hue_cursor_rad + 1 , IM_COL32 ( 128 , 128 , 128 , 255 ) , hue_cursor_segments ) ;
draw_list - > AddCircle ( hue_cursor_pos , hue_cursor_rad , IM_COL32_WHITE , hue_cursor_segments ) ;
// Render SV triangle (rotated according to hue)
ImVec2 tra = wheel_center + ImRotate ( triangle_pa , cos_hue_angle , sin_hue_angle ) ;
ImVec2 trb = wheel_center + ImRotate ( triangle_pb , cos_hue_angle , sin_hue_angle ) ;
ImVec2 trc = wheel_center + ImRotate ( triangle_pc , cos_hue_angle , sin_hue_angle ) ;
ImVec2 uv_white = GetFontTexUvWhitePixel ( ) ;
draw_list - > PrimReserve ( 6 , 6 ) ;
draw_list - > PrimVtx ( tra , uv_white , hue_color32 ) ;
draw_list - > PrimVtx ( trb , uv_white , hue_color32 ) ;
draw_list - > PrimVtx ( trc , uv_white , IM_COL32_WHITE ) ;
draw_list - > PrimVtx ( tra , uv_white , IM_COL32_BLACK_TRANS ) ;
draw_list - > PrimVtx ( trb , uv_white , IM_COL32_BLACK ) ;
draw_list - > PrimVtx ( trc , uv_white , IM_COL32_BLACK_TRANS ) ;
draw_list - > AddTriangle ( tra , trb , trc , IM_COL32 ( 128 , 128 , 128 , 255 ) , 1.5f ) ;
sv_cursor_pos = ImLerp ( ImLerp ( trc , tra , ImSaturate ( S ) ) , trb , ImSaturate ( 1 - V ) ) ;
}
else if ( flags & ImGuiColorEditFlags_PickerHueBar )
{
// Render SV Square
draw_list - > AddRectFilledMultiColor ( picker_pos , picker_pos + ImVec2 ( sv_picker_size , sv_picker_size ) , IM_COL32_WHITE , hue_color32 , hue_color32 , IM_COL32_WHITE ) ;
draw_list - > AddRectFilledMultiColor ( picker_pos , picker_pos + ImVec2 ( sv_picker_size , sv_picker_size ) , IM_COL32_BLACK_TRANS , IM_COL32_BLACK_TRANS , IM_COL32_BLACK , IM_COL32_BLACK ) ;
RenderFrameBorder ( picker_pos , picker_pos + ImVec2 ( sv_picker_size , sv_picker_size ) , 0.0f ) ;
sv_cursor_pos . x = ImClamp ( ( float ) ( int ) ( picker_pos . x + ImSaturate ( S ) * sv_picker_size + 0.5f ) , picker_pos . x + 2 , picker_pos . x + sv_picker_size - 2 ) ; // Sneakily prevent the circle to stick out too much
sv_cursor_pos . y = ImClamp ( ( float ) ( int ) ( picker_pos . y + ImSaturate ( 1 - V ) * sv_picker_size + 0.5f ) , picker_pos . y + 2 , picker_pos . y + sv_picker_size - 2 ) ;
// Render Hue Bar
for ( int i = 0 ; i < 6 ; + + i )
draw_list - > AddRectFilledMultiColor ( ImVec2 ( bar0_pos_x , picker_pos . y + i * ( sv_picker_size / 6 ) ) , ImVec2 ( bar0_pos_x + bars_width , picker_pos . y + ( i + 1 ) * ( sv_picker_size / 6 ) ) , hue_colors [ i ] , hue_colors [ i ] , hue_colors [ i + 1 ] , hue_colors [ i + 1 ] ) ;
float bar0_line_y = ( float ) ( int ) ( picker_pos . y + H * sv_picker_size + 0.5f ) ;
RenderFrameBorder ( ImVec2 ( bar0_pos_x , picker_pos . y ) , ImVec2 ( bar0_pos_x + bars_width , picker_pos . y + sv_picker_size ) , 0.0f ) ;
RenderArrowsForVerticalBar ( draw_list , ImVec2 ( bar0_pos_x - 1 , bar0_line_y ) , ImVec2 ( bars_triangles_half_sz + 1 , bars_triangles_half_sz ) , bars_width + 2.0f ) ;
}
// Render cursor/preview circle (clamp S/V within 0..1 range because floating points colors may lead HSV values to be out of range)
float sv_cursor_rad = value_changed_sv ? 10.0f : 6.0f ;
draw_list - > AddCircleFilled ( sv_cursor_pos , sv_cursor_rad , col32_no_alpha , 12 ) ;
draw_list - > AddCircle ( sv_cursor_pos , sv_cursor_rad + 1 , IM_COL32 ( 128 , 128 , 128 , 255 ) , 12 ) ;
draw_list - > AddCircle ( sv_cursor_pos , sv_cursor_rad , IM_COL32_WHITE , 12 ) ;
// Render alpha bar
if ( alpha_bar )
{
float alpha = ImSaturate ( col [ 3 ] ) ;
ImRect bar1_bb ( bar1_pos_x , picker_pos . y , bar1_pos_x + bars_width , picker_pos . y + sv_picker_size ) ;
RenderColorRectWithAlphaCheckerboard ( bar1_bb . Min , bar1_bb . Max , IM_COL32 ( 0 , 0 , 0 , 0 ) , bar1_bb . GetWidth ( ) / 2.0f , ImVec2 ( 0.0f , 0.0f ) ) ;
draw_list - > AddRectFilledMultiColor ( bar1_bb . Min , bar1_bb . Max , col32_no_alpha , col32_no_alpha , col32_no_alpha & ~ IM_COL32_A_MASK , col32_no_alpha & ~ IM_COL32_A_MASK ) ;
float bar1_line_y = ( float ) ( int ) ( picker_pos . y + ( 1.0f - alpha ) * sv_picker_size + 0.5f ) ;
RenderFrameBorder ( bar1_bb . Min , bar1_bb . Max , 0.0f ) ;
RenderArrowsForVerticalBar ( draw_list , ImVec2 ( bar1_pos_x - 1 , bar1_line_y ) , ImVec2 ( bars_triangles_half_sz + 1 , bars_triangles_half_sz ) , bars_width + 2.0f ) ;
}
EndGroup ( ) ;
if ( value_changed & & memcmp ( backup_initial_col , col , components * sizeof ( float ) ) = = 0 )
value_changed = false ;
if ( value_changed )
MarkItemEdited ( window - > DC . LastItemId ) ;
PopID ( ) ;
return value_changed ;
}
// Horizontal/vertical separating line
// Horizontal/vertical separating line
void ImGui : : Separator ( ) void ImGui : : Separator ( )
{ {
omar
6 years ago