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impr: Make banners easier to read

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WerWolv
2025-08-05 22:19:04 +02:00
parent 5b06702dee
commit baebfe96ba
4 changed files with 39 additions and 13 deletions
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15
lib/libimhex/source/ui/imgui_imhex_extensions.cpp
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@@ -1445,6 +1445,21 @@ namespace ImGuiExt {
ImGui::PopClipRect();
}
bool IsDarkBackground(const ImColor& bgColor) {
// Extract RGB components in 0–255 range
int r = static_cast<int>(bgColor.Value.x * 255.0f);
int g = static_cast<int>(bgColor.Value.y * 255.0f);
int b = static_cast<int>(bgColor.Value.z * 255.0f);
// Compute brightness using perceived luminance
int brightness = (r * 299 + g * 587 + b * 114) / 1000;
// If brightness is below threshold, use white text
return brightness < 128;
}
static bool s_imguiTestEngineEnabled = false;
void ImGuiTestEngine::setEnabled(bool enabled) {