diff options
Diffstat (limited to 'vendor/exr/examples/4b_read_custom_fixed_channels.rs')
| -rw-r--r-- | vendor/exr/examples/4b_read_custom_fixed_channels.rs | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/vendor/exr/examples/4b_read_custom_fixed_channels.rs b/vendor/exr/examples/4b_read_custom_fixed_channels.rs deleted file mode 100644 index a5fd273..0000000 --- a/vendor/exr/examples/4b_read_custom_fixed_channels.rs +++ /dev/null @@ -1,49 +0,0 @@ - -// exr imports -extern crate exr; - -/// Read an image and print information about the image into the console. -/// This example shows how to read an image with multiple layers and specific channels. -/// This example does not include resolution levels (mipmaps or ripmaps). -fn main() { - use exr::prelude::*; - - let image = read().no_deep_data() - .largest_resolution_level() - - .specific_channels() - .optional("A", f16::ONE) - .required("Y") // TODO also accept a closure with a detailed selection mechanism - .optional("right.Y", 0.0) - .collect_pixels( - |resolution, (a_channel, y_channel, y_right_channel)| { - println!("image contains alpha channel? {}", a_channel.is_some()); - println!("image contains stereoscopic luma channel? {}", y_right_channel.is_some()); - println!("the type of luma samples is {:?}", y_channel.sample_type); - - vec![vec![(f16::ZERO, 0.0, 0.0); resolution.width()]; resolution.height()] - }, - - // all samples will be converted to f32 (you can also use the enum `Sample` instead of `f32` here to retain the original data type from the file) - |vec, position, (a,y,yr): (f16, f32, f32)| { - vec[position.y()][position.x()] = (a, y, yr) - } - ) - - .all_layers() - .all_attributes() - .on_progress(|progress| println!("progress: {:.1}", progress*100.0)) - .from_file("custom_channels.exr") - .expect("run example `4_write_custom_fixed_channels` to generate this image file"); - - // output a random color of each channel of each layer - for layer in &image.layer_data { - let (alpha, luma, luma_right) = layer.channel_data.pixels.first().unwrap().first().unwrap(); - - println!( - "top left color of layer `{}`: (a, y, yr) = {:?}", - layer.attributes.layer_name.clone().unwrap_or_default(), - (alpha.to_f32(), luma, luma_right) - ) - } -}
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