Initial commitv0.1.0

1 files changed, 31 insertions, 0 deletions

diff --git a/examples/dmtx_text.rs b/examples/dmtx_text.rs
new file mode 100644
index 0000000..a8a4687
--- /dev/null
+++ b/examples/dmtx_text.rs
@@ -0,0 +1,31 @@
+use iec16022::DataMatrix;
+use std::env::args_os;
+use std::os::unix::ffi::OsStringExt;
+
+fn main() {
+    let data = args_os()
+        .skip(1) // program name
+        .map(|arg| arg.into_vec())
+        .collect::<Vec<_>>()
+        .join(&b' ');
+    let dmtx = DataMatrix::encode(&data).unwrap();
+
+    let capacity = (dmtx.width() + 1) * dmtx.height();
+    let mut out = String::with_capacity(capacity);
+    for row in (0..dmtx.height()).rev() {
+        for col in 0..dmtx.width() {
+            if dmtx.get(row, col) {
+                out.push('*');
+            } else {
+                out.push(' ');
+            }
+        }
+        out.push('\n');
+    }
+    debug_assert!(
+        capacity == out.capacity(),
+        "caculated capacity is not correct"
+    );
+
+    print!("{}", out);
+}