ColorEdit: Fix not being able to display (1.0f, 1.0f, 1.0f) color. (o…

…cornut#3517)

Old code attempted to mitigate hue/saturation resetting for colors where these components are undefined. Since we now explicitly back up and restore these components this workaround is no longer necessary.

docs/CHANGELOG.txt

@@ -53,6 +53,7 @@ Other Changes:
 - ColorEdit4: Fixed not being able to change hue when saturation is 0. (#4014) [@rokups]
 - ColorEdit4: Fixed hue resetting to 0 when it is set to 255. [@rokups]
 - ColorEdit4: Fixed hue value jitter when source color is stored as rgb in 32bit integer. [@rokups]
+- ColorEdit4: Fixed picker being unable to select (1.0f, 1.0f, 1.0f) color. [@rokups]
 - InputText: Do not filter private unicode codepoints (e.g. icons) when pasted from clipboard. (#4005) [@dougbinks]
 - LabelText: Fixed clipping of multi-line value text when label is single-line. (#4004)
 - LabelText: Fixed vertical alignment of single-line value text when label is multi-line. (#4004)

imgui_widgets.cpp

@@ -5165,7 +5165,7 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
     {
         if (flags & ImGuiColorEditFlags_InputRGB)
         {
-            ColorConvertHSVtoRGB(H >= 1.0f ? H - 10 * 1e-6f : H, S > 0.0f ? S : 10 * 1e-6f, V > 0.0f ? V : 1e-6f, col[0], col[1], col[2]);
+            ColorConvertHSVtoRGB(H, S, V, col[0], col[1], col[2]);
             g.ColorEditLastHue = H;
             g.ColorEditLastSat = S;
             g.ColorEditLastColor = ColorConvertFloat4ToU32(ImVec4(col[0], col[1], col[2], 0));