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Added ImGuiColorEditFlagsFlags_InputHSV. (#2383, #2384)

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This commit is contained in:
Haldean Brown
2019-03-07 15:31:29 +01:00
committed by omar
parent 8e0e91827f
commit 79bb4ce128
4 changed files with 118 additions and 32 deletions
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10
imgui_demo.cpp
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@ -1171,6 +1171,16 @@ static void ShowDemoWindowWidgets()
if (ImGui::Button("Default: Float + HDR + Hue Wheel"))
ImGui::SetColorEditOptions(ImGuiColorEditFlags_Float | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_PickerHueWheel);
// HSV encoded support (to avoid RGB<>HSV round trips and singularities when S==0 or V==0)
static ImVec4 color_stored_as_hsv(0.23f, 1.0f, 1.0f, 1.0f);
ImGui::Spacing();
ImGui::Text("HSV encoded colors");
ImGui::SameLine(); HelpMarker("By default, colors are given to ColorEdit and ColorPicker in RGB, but ImGuiColorEditFlags_InputHSV allows you to store colors as HSV and pass them to ColorEdit and ColorPicker as HSV. This comes with the added benefit that you can manipulate hue values with the picker even when saturation or value are zero.");
ImGui::Text("Color widget with InputHSV:");
ImGui::ColorEdit4("HSV shown as HSV##1", (float*)&color_stored_as_hsv, ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_InputHSV | ImGuiColorEditFlags_Float);
ImGui::ColorEdit4("HSV shown as RGB##1", (float*)&color_stored_as_hsv, ImGuiColorEditFlags_DisplayHSV | ImGuiColorEditFlags_InputHSV | ImGuiColorEditFlags_Float);
ImGui::DragFloat4("Raw HSV values", (float*)&color_stored_as_hsv, 0.01f, 0.0f, 1.0f);
ImGui::TreePop();
}