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