Initial vendor packages

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

1 files changed, 41 insertions, 0 deletions

diff --git a/vendor/exr/examples/4a_write_custom_fixed_channels.rs b/vendor/exr/examples/4a_write_custom_fixed_channels.rs
new file mode 100644
index 0000000..4eb6f8d
--- /dev/null
+++ b/vendor/exr/examples/4a_write_custom_fixed_channels.rs
@@ -0,0 +1,41 @@
+
+// exr imports
+extern crate exr;
+
+/// Create an image with strange channels and write it to a file.
+fn main() {
+    use exr::prelude::*;
+
+    let pixels = SpecificChannels::build()
+        .with_channel("Kharthanasus Korthus")
+        .with_channel("Y")
+        .with_channel("11023")
+        .with_channel("*?!")
+        .with_channel("`--\"")
+        .with_channel("\r\r\r\n\n")
+        .with_pixel_fn(|position|{
+            if position.0 < 1000 {
+                (f16::from_f32(0.2), 0.666_f32, 4_u32, 1532434.0213_f32, 0.99999_f32, 3.142594_f32/4.0)
+            }
+            else {
+                (f16::from_f32(0.4), 0.777_f32, 8_u32, 102154.3_f32, 0.00001_f32, 3.142594_f32/4.0)
+            }
+        });
+
+    let image = Image::from_channels((2000, 1400), pixels);
+
+    // print progress only if it advances more than 1%
+    let mut current_progress_percentage = 0;
+
+    image.write()
+        .on_progress(|progress| {
+            let new_progress = (progress * 100.0) as usize;
+            if new_progress != current_progress_percentage {
+                current_progress_percentage = new_progress;
+                println!("progress: {}%", current_progress_percentage)
+            }
+        })
+        .to_file("custom_channels.exr").unwrap();
+
+    println!("created file custom_channels.exr");
+}
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