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ColorConvertFloat4ToU32() round the floats instead of truncating them.

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ocornut 2015-10-18 16:09:37 +01:00
parent 43ff5a41be
commit 5b7a2149fc
1 changed files with 5 additions and 4 deletions
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9
imgui.cpp
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@ -1083,10 +1083,10 @@ ImVec4 ImGui::ColorConvertU32ToFloat4(ImU32 in)
ImU32 ImGui::ColorConvertFloat4ToU32(const ImVec4& in)
{
ImU32 out = ((ImU32)(ImSaturate(in.x)*255.f));
out |= ((ImU32)(ImSaturate(in.y)*255.f) << 8);
out |= ((ImU32)(ImSaturate(in.z)*255.f) << 16);
out |= ((ImU32)(ImSaturate(in.w)*255.f) << 24);
ImU32 out = ((ImU32)(ImSaturate(in.x)*255.f+0.5f));
out |= ((ImU32)(ImSaturate(in.y)*255.f+0.5f) << 8);
out |= ((ImU32)(ImSaturate(in.z)*255.f+0.5f) << 16);
out |= ((ImU32)(ImSaturate(in.w)*255.f+0.5f) << 24);
return out;
}
@ -8339,6 +8339,7 @@ void ImGui::EndMenu()
}
// 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.
bool ImGui::ColorButton(const ImVec4& col, bool small_height, bool outline_border)
{
ImGuiWindow* window = GetCurrentWindow();