From 4fa167eb2a777354ff455c905e72f245311acd43 Mon Sep 17 00:00:00 2001
From: Magnus Ulimoen <magnus@ulimoen.dev>
Date: Sat, 25 Jul 2020 12:18:40 +0200
Subject: [PATCH] add SANE_{,UN}FIX

---
 sane-sys/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sane-sys/src/lib.rs b/sane-sys/src/lib.rs
index cf6af3c..4665c0c 100644
--- a/sane-sys/src/lib.rs
+++ b/sane-sys/src/lib.rs
@@ -16,6 +16,14 @@ pub const fn SANE_VERSION_BUILD(code: SANE_Int) -> SANE_Word {
     (code >> 0) as SANE_Word & 0xffff
 }
 
+pub fn SANE_FIX(v: f64) -> SANE_Word {
+    (v * (1 << SANE_FIXED_SCALE_SHIFT) as f64) as SANE_Word
+}
+
+pub fn SANE_UNFIX(v: SANE_Word) -> f64 {
+    v as f64 / (1 << SANE_FIXED_SCALE_SHIFT) as f64
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;