internal static void SetupImGuiStyle(ImGuiTheme theme, float alpha)
{
Style 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.SetColor(ColorTarget.Text, ThemeColor(new Color(0.00f, 0.00f, 0.00f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.TextDisabled, ThemeColor(new Color(0.60f, 0.60f, 0.60f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.WindowBg, ThemeColor(new Color(0.94f, 0.94f, 0.94f, 0.94f), theme, alpha));
style.SetColor(ColorTarget.ChildBg, ThemeColor(new Color(0.00f, 0.00f, 0.00f, 0.00f), theme, alpha));
style.SetColor(ColorTarget.PopupBg, ThemeColor(new Color(1.00f, 1.00f, 1.00f, 0.94f), theme, alpha));
style.SetColor(ColorTarget.Border, ThemeColor(new Color(0.00f, 0.00f, 0.00f, 0.39f), theme, alpha));
style.SetColor(ColorTarget.BorderShadow, ThemeColor(new Color(1.00f, 1.00f, 1.00f, 0.10f), theme, alpha));
style.SetColor(ColorTarget.FrameBg, ThemeColor(new Color(1.00f, 1.00f, 1.00f, 0.94f), theme, alpha));
style.SetColor(ColorTarget.FrameBgHovered, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.40f), theme, alpha));
style.SetColor(ColorTarget.FrameBgActive, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.67f), theme, alpha));
style.SetColor(ColorTarget.TitleBg, ThemeColor(new Color(0.96f, 0.96f, 0.96f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.TitleBgCollapsed, ThemeColor(new Color(1.00f, 1.00f, 1.00f, 0.51f), theme, alpha));
style.SetColor(ColorTarget.TitleBgActive, ThemeColor(new Color(0.82f, 0.82f, 0.82f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.MenuBarBg, ThemeColor(new Color(0.86f, 0.86f, 0.86f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.ScrollbarBg, ThemeColor(new Color(0.98f, 0.98f, 0.98f, 0.53f), theme, alpha));
style.SetColor(ColorTarget.ScrollbarGrab, ThemeColor(new Color(0.69f, 0.69f, 0.69f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.ScrollbarGrabHovered, ThemeColor(new Color(0.59f, 0.59f, 0.59f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.ScrollbarGrabActive, ThemeColor(new Color(0.49f, 0.49f, 0.49f, 1.00f), theme, alpha));
//style.SetColor(ColorTarget.Combo, ThemeColor(new Color(0.86f, 0.86f, 0.86f, 0.99f), theme, alpha));
style.SetColor(ColorTarget.CheckMark, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.SliderGrab, ThemeColor(new Color(0.24f, 0.52f, 0.88f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.SliderGrabActive, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.Button, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.40f), theme, alpha));
style.SetColor(ColorTarget.ButtonHovered, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.ButtonActive, ThemeColor(new Color(0.06f, 0.53f, 0.98f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.Header, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.31f), theme, alpha));
style.SetColor(ColorTarget.HeaderHovered, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.80f), theme, alpha));
style.SetColor(ColorTarget.HeaderActive, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.Separator, ThemeColor(new Color(0.39f, 0.39f, 0.39f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.SeparatorHovered, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.78f), theme, alpha));
style.SetColor(ColorTarget.SeparatorActive, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.ResizeGrip, ThemeColor(new Color(1.00f, 1.00f, 1.00f, 0.50f), theme, alpha));
style.SetColor(ColorTarget.ResizeGripHovered, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.67f), theme, alpha));
style.SetColor(ColorTarget.ResizeGripActive, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.95f), theme, alpha));
style.SetColor(ColorTarget.CloseButton, ThemeColor(new Color(0.59f, 0.59f, 0.59f, 0.50f), theme, alpha));
style.SetColor(ColorTarget.CloseButtonHovered, ThemeColor(new Color(0.98f, 0.39f, 0.36f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.CloseButtonActive, ThemeColor(new Color(0.98f, 0.39f, 0.36f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.PlotLines, ThemeColor(new Color(0.39f, 0.39f, 0.39f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.PlotLinesHovered, ThemeColor(new Color(1.00f, 0.43f, 0.35f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.PlotHistogram, ThemeColor(new Color(0.90f, 0.70f, 0.00f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.PlotHistogramHovered, ThemeColor(new Color(1.00f, 0.60f, 0.00f, 1.00f), theme, alpha));
style.SetColor(ColorTarget.TextSelectedBg, ThemeColor(new Color(0.26f, 0.59f, 0.98f, 0.35f), theme, alpha));
style.SetColor(ColorTarget.ModalWindowDarkening, ThemeColor(new Color(0.20f, 0.20f, 0.20f, 0.35f), theme, alpha));
}
private static Color ThemeColor(Color color, ImGuiTheme theme, float alpha)
{
switch (theme)
{
case ImGuiTheme.Dark:
{
ImGui.ColorConvertRGBToHSV(color.R, color.G, color.B, out var h, out var s, out var v);
if (s < 0.1f)
{
v = 1.0f - v;
}
ImGui.ColorConvertHSVToRGB(h, s, v, out var r, out var g, out var b);
color = new Color(r, g, b, color.A);
if (color.A < 1.00f)
{
color.A *= alpha;
}
break;
}
case ImGuiTheme.Light:
{
if (color.A < 1.00f)
{
color.R *= alpha;
color.G *= alpha;
color.B *= alpha;
color.A *= alpha;
}
break;
}
default:
throw new NotImplementedException();
}
return(color);
}
