diff options
Diffstat (limited to 'vendor/exr/examples/1a_write_rgba_with_metadata.rs')
| -rw-r--r-- | vendor/exr/examples/1a_write_rgba_with_metadata.rs | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/vendor/exr/examples/1a_write_rgba_with_metadata.rs b/vendor/exr/examples/1a_write_rgba_with_metadata.rs deleted file mode 100644 index 394410f..0000000 --- a/vendor/exr/examples/1a_write_rgba_with_metadata.rs +++ /dev/null @@ -1,64 +0,0 @@ - -// exr imports -extern crate exr; - -/// Write an rgba exr file, generating the pixel values on the fly. -/// This streams the generated pixel directly to the file, -/// never allocating the actual total pixel memory of the image. -fn main() { - use exr::prelude::*; - use exr::meta::attribute::*; - - // this function can generate a color for any pixel - let generate_pixels = |position: Vec2<usize>| ( - position.x() as f32 / 2048.0, // red - position.y() as f32 / 2048.0, // green - 1.0 - (position.y() as f32 / 2048.0), // blue - 1.0 // alpha - ); - - let mut layer_attributes = LayerAttributes::named("generated rgba main layer"); - layer_attributes.comments = Some(Text::from("This image was generated as part of an example")); - layer_attributes.owner = Some(Text::from("The holy lambda function")); - layer_attributes.software_name = Some(Text::from("EXRS Project")); - layer_attributes.exposure = Some(1.0); - layer_attributes.focus = Some(12.4); - layer_attributes.frames_per_second = Some((60, 1)); - layer_attributes.other.insert( - Text::from("Layer Purpose (Custom Layer Attribute)"), - AttributeValue::Text(Text::from("This layer contains the rgb pixel data")) - ); - - let layer = Layer::new( - (2*2048, 2*2048), - layer_attributes, - Encoding::SMALL_FAST_LOSSLESS, // use fast but lossy compression - - SpecificChannels::rgba(generate_pixels) - ); - - // crop away black and transparent pixels from the border, if any - let layer = layer - .crop_where_eq((0.0, 0.0, 0.0, 0.0)) - .or_crop_to_1x1_if_empty(); - - let mut image = Image::from_layer(layer); - image.attributes.pixel_aspect = 1.0; - - image.attributes.time_code = Some(TimeCode { - hours: 0, - minutes: 1, - seconds: 59, - frame: 29, - ..TimeCode::default() - }); - - image.attributes.other.insert( - Text::from("Mice Count (Custom Image Attribute)"), - AttributeValue::I32(23333) - ); - - // write it to a file with all cores in parallel - image.write().to_file("generated_rgba_with_meta.exr").unwrap(); - println!("created file generated_rgba_with_meta.exr"); -}
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