chromium/third_party/dawn/src/tint/utils/system/terminal.h

// Copyright 2024 The Dawn & Tint Authors
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#ifndef SRC_TINT_UTILS_SYSTEM_TERMINAL_H_
#define SRC_TINT_UTILS_SYSTEM_TERMINAL_H_

#include <cstdio>
#include <optional>

namespace tint {

/// Detects whether the terminal at @p out supports color output.
/// @param out the file to print to.
/// @return true if the terminal supports colors.
bool TerminalSupportsColors(FILE* out);

/// Attempts to detect whether the terminal at @p out is dark.
/// @param out the file to print to.
/// @returns true if the terminal is dark, false if the terminal is light, or nullopt if
/// unknown.
std::optional<bool> TerminalIsDark(FILE* out);

}  // namespace tint

#endif  // SRC_TINT_UTILS_SYSTEM_TERMINAL_H_