Initial vendor packages

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

1 files changed, 45 insertions, 0 deletions

diff --git a/vendor/exr/examples/5a_write_multiple_layers.rs b/vendor/exr/examples/5a_write_multiple_layers.rs
new file mode 100644
index 0000000..51e2aed
--- /dev/null
+++ b/vendor/exr/examples/5a_write_multiple_layers.rs
@@ -0,0 +1,45 @@
+
+extern crate smallvec;
+extern crate rand;
+extern crate half;
+
+
+// exr imports
+extern crate exr;
+
+/// Writes multiple layers into one exr file
+/// Note: this may not be supported by legacy software
+fn main() {
+    use exr::prelude::*;
+    let size = Vec2(512, 512);
+
+
+    let layer1 = Layer::new(
+        size,
+        LayerAttributes::named("teal rgb"),
+        Encoding::FAST_LOSSLESS,
+        SpecificChannels::rgb(|_pos| (0_f32, 0.4_f32, 0.4_f32)),
+    );
+
+    let layer2 = Layer::new(
+        size,
+        LayerAttributes::named("orange rgba"),
+        Encoding::FAST_LOSSLESS,
+        SpecificChannels::rgba(|_pos| (0.8_f32, 0.5_f32, 0.1_f32, 1.0_f32)),
+    );
+
+    // define the visible area of the canvas
+    let attributes = ImageAttributes::new(
+        // the pixel section that should be shown
+        IntegerBounds::from_dimensions(size)
+    );
+
+    let image = Image::empty(attributes)
+        .with_layer(layer1) // add an rgb layer of type `SpecificChannels<ClosureA>`
+        .with_layer(layer2); // add an rgba layer of different type, `SpecificChannels<ClosureB>`, not possible with a vector
+
+    println!("writing image...");
+    image.write().to_file("layers.exr").unwrap();
+
+    println!("created file layers.exr");
+}
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