From bf13442c7cf4a082466dae31d50981ec103a7af7 Mon Sep 17 00:00:00 2001 From: ocornut Date: Tue, 21 Jan 2025 14:59:29 +0100 Subject: [PATCH] Moved ImGuiColorEditFlags_AlphaPreview/ImGuiColorEditFlags_AlphaPreviewHalf flags. Demo: reorganized some of color edit/picker demo section. --- imgui.h | 4 ++-- imgui_demo.cpp | 65 +++++++++++++++++++++++++------------------------- 2 files changed, 34 insertions(+), 35 deletions(-) diff --git a/imgui.h b/imgui.h index 82903424a..2306667cf 100644 --- a/imgui.h +++ b/imgui.h @@ -1752,11 +1752,11 @@ enum ImGuiColorEditFlags_ ImGuiColorEditFlags_NoSidePreview = 1 << 8, // // ColorPicker: disable bigger color preview on right side of the picker, use small color square preview instead. ImGuiColorEditFlags_NoDragDrop = 1 << 9, // // ColorEdit: disable drag and drop target. ColorButton: disable drag and drop source. ImGuiColorEditFlags_NoBorder = 1 << 10, // // ColorButton: disable border (which is enforced by default) + ImGuiColorEditFlags_AlphaPreview = 1 << 11, // // ColorEdit, ColorPicker, ColorButton: display preview as a transparent color over a checkerboard, instead of opaque. + ImGuiColorEditFlags_AlphaPreviewHalf= 1 << 12, // // ColorEdit, ColorPicker, ColorButton: display half opaque / half checkerboard, instead of opaque. // User Options (right-click on widget to change some of them). ImGuiColorEditFlags_AlphaBar = 1 << 16, // // ColorEdit, ColorPicker: show vertical alpha bar/gradient in picker. - ImGuiColorEditFlags_AlphaPreview = 1 << 17, // // ColorEdit, ColorPicker, ColorButton: display preview as a transparent color over a checkerboard, instead of opaque. - ImGuiColorEditFlags_AlphaPreviewHalf= 1 << 18, // // ColorEdit, ColorPicker, ColorButton: display half opaque / half checkerboard, instead of opaque. ImGuiColorEditFlags_HDR = 1 << 19, // // (WIP) ColorEdit: Currently only disable 0.0f..1.0f limits in RGBA edition (note: you probably want to use ImGuiColorEditFlags_Float flag as well). ImGuiColorEditFlags_DisplayRGB = 1 << 20, // [Display] // ColorEdit: override _display_ type among RGB/HSV/Hex. ColorPicker: select any combination using one or more of RGB/HSV/Hex. ImGuiColorEditFlags_DisplayHSV = 1 << 21, // [Display] // " diff --git a/imgui_demo.cpp b/imgui_demo.cpp index e41c0ac5c..5100356b3 100644 --- a/imgui_demo.cpp +++ b/imgui_demo.cpp @@ -2117,19 +2117,15 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data) if (ImGui::TreeNode("Color/Picker Widgets")) { static ImVec4 color = ImVec4(114.0f / 255.0f, 144.0f / 255.0f, 154.0f / 255.0f, 200.0f / 255.0f); + static ImGuiColorEditFlags base_flags = ImGuiColorEditFlags_AlphaPreview; - static bool alpha_preview = true; - static bool alpha_half_preview = false; - static bool drag_and_drop = true; - static bool options_menu = true; - static bool hdr = false; ImGui::SeparatorText("Options"); - ImGui::Checkbox("With Alpha Preview", &alpha_preview); - ImGui::Checkbox("With Half Alpha Preview", &alpha_half_preview); - ImGui::Checkbox("With Drag and Drop", &drag_and_drop); - ImGui::Checkbox("With Options Menu", &options_menu); ImGui::SameLine(); HelpMarker("Right-click on the individual color widget to show options."); - ImGui::Checkbox("With HDR", &hdr); ImGui::SameLine(); HelpMarker("Currently all this does is to lift the 0..1 limits on dragging widgets."); - ImGuiColorEditFlags misc_flags = (hdr ? ImGuiColorEditFlags_HDR : 0) | (drag_and_drop ? 0 : ImGuiColorEditFlags_NoDragDrop) | (alpha_half_preview ? ImGuiColorEditFlags_AlphaPreviewHalf : (alpha_preview ? ImGuiColorEditFlags_AlphaPreview : 0)) | (options_menu ? 0 : ImGuiColorEditFlags_NoOptions); + ImGui::CheckboxFlags("ImGuiColorEditFlags_NoAlpha", &base_flags, ImGuiColorEditFlags_NoAlpha); + ImGui::CheckboxFlags("ImGuiColorEditFlags_AlphaPreview", &base_flags, ImGuiColorEditFlags_AlphaPreview); + ImGui::CheckboxFlags("ImGuiColorEditFlags_AlphaPreviewHalf", &base_flags, ImGuiColorEditFlags_AlphaPreviewHalf); + ImGui::CheckboxFlags("ImGuiColorEditFlags_NoDragDrop", &base_flags, ImGuiColorEditFlags_NoDragDrop); + ImGui::CheckboxFlags("ImGuiColorEditFlags_NoOptions", &base_flags, ImGuiColorEditFlags_NoOptions); ImGui::SameLine(); HelpMarker("Right-click on the individual color widget to show options."); + ImGui::CheckboxFlags("ImGuiColorEditFlags_HDR", &base_flags, ImGuiColorEditFlags_HDR); ImGui::SameLine(); HelpMarker("Currently all this does is to lift the 0..1 limits on dragging widgets."); IMGUI_DEMO_MARKER("Widgets/Color/ColorEdit"); ImGui::SeparatorText("Inline color editor"); @@ -2137,15 +2133,15 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data) ImGui::SameLine(); HelpMarker( "Click on the color square to open a color picker.\n" "CTRL+click on individual component to input value.\n"); - ImGui::ColorEdit3("MyColor##1", (float*)&color, misc_flags); + ImGui::ColorEdit3("MyColor##1", (float*)&color, base_flags); IMGUI_DEMO_MARKER("Widgets/Color/ColorEdit (HSV, with Alpha)"); ImGui::Text("Color widget HSV with Alpha:"); - ImGui::ColorEdit4("MyColor##2", (float*)&color, ImGuiColorEditFlags_DisplayHSV | misc_flags); + ImGui::ColorEdit4("MyColor##2", (float*)&color, ImGuiColorEditFlags_DisplayHSV | base_flags); IMGUI_DEMO_MARKER("Widgets/Color/ColorEdit (float display)"); ImGui::Text("Color widget with Float Display:"); - ImGui::ColorEdit4("MyColor##2f", (float*)&color, ImGuiColorEditFlags_Float | misc_flags); + ImGui::ColorEdit4("MyColor##2f", (float*)&color, ImGuiColorEditFlags_Float | base_flags); IMGUI_DEMO_MARKER("Widgets/Color/ColorButton (with Picker)"); ImGui::Text("Color button with Picker:"); @@ -2153,7 +2149,7 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data) "With the ImGuiColorEditFlags_NoInputs flag you can hide all the slider/text inputs.\n" "With the ImGuiColorEditFlags_NoLabel flag you can pass a non-empty label which will only " "be used for the tooltip and picker popup."); - ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel | misc_flags); + ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel | base_flags); IMGUI_DEMO_MARKER("Widgets/Color/ColorButton (with custom Picker popup)"); ImGui::Text("Color button with Custom Picker Popup:"); @@ -2173,7 +2169,7 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data) } static ImVec4 backup_color; - bool open_popup = ImGui::ColorButton("MyColor##3b", color, misc_flags); + bool open_popup = ImGui::ColorButton("MyColor##3b", color, base_flags); ImGui::SameLine(0, ImGui::GetStyle().ItemInnerSpacing.x); open_popup |= ImGui::Button("Palette"); if (open_popup) @@ -2185,7 +2181,7 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data) { ImGui::Text("MY CUSTOM COLOR PICKER WITH AN AMAZING PALETTE!"); ImGui::Separator(); - ImGui::ColorPicker4("##picker", (float*)&color, misc_flags | ImGuiColorEditFlags_NoSidePreview | ImGuiColorEditFlags_NoSmallPreview); + ImGui::ColorPicker4("##picker", (float*)&color, base_flags | ImGuiColorEditFlags_NoSidePreview | ImGuiColorEditFlags_NoSmallPreview); ImGui::SameLine(); ImGui::BeginGroup(); // Lock X position @@ -2227,40 +2223,42 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data) ImGui::Text("Color button only:"); static bool no_border = false; ImGui::Checkbox("ImGuiColorEditFlags_NoBorder", &no_border); - ImGui::ColorButton("MyColor##3c", *(ImVec4*)&color, misc_flags | (no_border ? ImGuiColorEditFlags_NoBorder : 0), ImVec2(80, 80)); + ImGui::ColorButton("MyColor##3c", *(ImVec4*)&color, base_flags | (no_border ? ImGuiColorEditFlags_NoBorder : 0), ImVec2(80, 80)); IMGUI_DEMO_MARKER("Widgets/Color/ColorPicker"); ImGui::SeparatorText("Color picker"); - static bool alpha = true; - static bool alpha_bar = true; - static bool side_preview = true; + static bool ref_color = false; static ImVec4 ref_color_v(1.0f, 0.0f, 1.0f, 0.5f); - static int display_mode = 0; static int picker_mode = 0; - ImGui::Checkbox("With Alpha", &alpha); - ImGui::Checkbox("With Alpha Bar", &alpha_bar); - ImGui::Checkbox("With Side Preview", &side_preview); - if (side_preview) + static int display_mode = 0; + static ImGuiColorEditFlags color_picker_flags = ImGuiColorEditFlags_AlphaBar; + + ImGui::PushID("Color picker"); + ImGui::CheckboxFlags("ImGuiColorEditFlags_NoAlpha", &color_picker_flags, ImGuiColorEditFlags_NoAlpha); + ImGui::CheckboxFlags("ImGuiColorEditFlags_AlphaBar", &color_picker_flags, ImGuiColorEditFlags_AlphaBar); + ImGui::CheckboxFlags("ImGuiColorEditFlags_NoSidePreview", &color_picker_flags, ImGuiColorEditFlags_NoSidePreview); + if (color_picker_flags & ImGuiColorEditFlags_NoSidePreview) { ImGui::SameLine(); ImGui::Checkbox("With Ref Color", &ref_color); if (ref_color) { ImGui::SameLine(); - ImGui::ColorEdit4("##RefColor", &ref_color_v.x, ImGuiColorEditFlags_NoInputs | misc_flags); + ImGui::ColorEdit4("##RefColor", &ref_color_v.x, ImGuiColorEditFlags_NoInputs | base_flags); } } - ImGui::Combo("Display Mode", &display_mode, "Auto/Current\0None\0RGB Only\0HSV Only\0Hex Only\0"); + + ImGui::Combo("Picker Mode", &picker_mode, "Auto/Current\0ImGuiColorEditFlags_PickerHueBar\0ImGuiColorEditFlags_PickerHueWheel\0"); + ImGui::SameLine(); HelpMarker("When not specified explicitly, user can right-click the picker to change mode."); + + ImGui::Combo("Display Mode", &display_mode, "Auto/Current\0ImGuiColorEditFlags_NoInputs\0ImGuiColorEditFlags_DisplayRGB\0ImGuiColorEditFlags_DisplayHSV\0ImGuiColorEditFlags_DisplayHex\0"); ImGui::SameLine(); HelpMarker( "ColorEdit defaults to displaying RGB inputs if you don't specify a display mode, " "but the user can change it with a right-click on those inputs.\n\nColorPicker defaults to displaying RGB+HSV+Hex " "if you don't specify a display mode.\n\nYou can change the defaults using SetColorEditOptions()."); - ImGui::SameLine(); HelpMarker("When not specified explicitly (Auto/Current mode), user can right-click the picker to change mode."); - ImGuiColorEditFlags flags = misc_flags; - if (!alpha) flags |= ImGuiColorEditFlags_NoAlpha; // This is by default if you call ColorPicker3() instead of ColorPicker4() - if (alpha_bar) flags |= ImGuiColorEditFlags_AlphaBar; - if (!side_preview) flags |= ImGuiColorEditFlags_NoSidePreview; + + ImGuiColorEditFlags flags = base_flags | color_picker_flags; if (picker_mode == 1) flags |= ImGuiColorEditFlags_PickerHueBar; if (picker_mode == 2) flags |= ImGuiColorEditFlags_PickerHueWheel; if (display_mode == 1) flags |= ImGuiColorEditFlags_NoInputs; // Disable all RGB/HSV/Hex displays @@ -2289,6 +2287,7 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data) ImGui::SameLine(); ImGui::SetNextItemWidth(w); ImGui::ColorPicker3("##MyColor##6", (float*)&color, ImGuiColorEditFlags_PickerHueWheel | ImGuiColorEditFlags_NoSidePreview | ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoAlpha); + ImGui::PopID(); // HSV encoded support (to avoid RGB<>HSV round trips and singularities when S==0 or V==0) static ImVec4 color_hsv(0.23f, 1.0f, 1.0f, 1.0f); // Stored as HSV!