Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

1 files changed, 36 insertions, 0 deletions

diff --git a/vendor/exr/examples/0a_write_rgba.rs b/vendor/exr/examples/0a_write_rgba.rs
new file mode 100644
index 0000000..daa4fcd
--- /dev/null
+++ b/vendor/exr/examples/0a_write_rgba.rs
@@ -0,0 +1,36 @@
+extern crate exr;
+
+
+/// `exr` offers a few simplified functions for the most basic use cases.
+/// `write_rgb_f32_file` is a such a function, which writes a plain rgba exr file.
+///
+/// To write your image data, you need to specify how to retrieve a single pixel from it.
+/// The closure may capture variables or generate data on the fly.
+fn main() {
+    use exr::prelude::*;
+
+    // write a file, with 32-bit float precision per channel
+    write_rgba_file(
+
+        // this accepts paths or &str
+        "minimal_rgba.exr",
+
+        // image resolution is 2k
+        2048, 2048,
+
+        // generate (or lookup in your own image)
+        // an f32 rgb color for each of the 2048x2048 pixels
+        // (you could also create f16 values here to save disk space)
+        |x,y| {
+            (
+                x as f32 / 2048.0, // red
+                y as f32 / 2048.0, // green
+                1.0 - (y as f32 / 2048.0), // blue
+                1.0 // alpha
+            )
+        }
+
+    ).unwrap();
+
+    println!("created file minimal_rgb.exr");
+}
\ No newline at end of file