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    use std::sync::Arc;
    use crate::canvas::managed::handles::{CanvasImageHandle, CanvasTextureHandle};
    use crate::canvas::canvas_frame::Drawable;
    use crate::util::vertex::{VertexTypes, ImageVertex3D};

    pub struct CompuSprite {

        pub verts: VertexTypes,

        position: (f32, f32),
        size: (f32, f32),
        color: (f32, f32, f32, f32),

    }

    impl CompuSprite {
        pub fn new(position: (f32, f32),
                   size: (f32, f32),
                   depth: u32,
                   image_size: (f32, f32),
                   image_handle: Arc<CanvasImageHandle>) -> CompuSprite {

            let normalized_depth = (depth as f32 / 255.0);

            let verts = vec![
                ImageVertex3D {
                    v_position: [position.0, position.1, normalized_depth],                   // top left
                    ti_position: [-0.0, -0.0] },
                ImageVertex3D {
                    v_position: [position.0, position.1 + size.1, normalized_depth],          // bottom left
                    ti_position: [-0.0, image_size.1] },
                ImageVertex3D {
                    v_position: [position.0 + size.0, position.1 + size.1, normalized_depth], // bottom right
                    ti_position: [image_size.0, image_size.1] },
                ImageVertex3D {
                    v_position: [position.0, position.1, normalized_depth],                   // top left
                    ti_position: [-0.0, -0.0] },
                ImageVertex3D {
                    v_position: [position.0 + size.0, position.1 + size.1, normalized_depth], // bottom right
                    ti_position: [image_size.0, image_size.1] },
                ImageVertex3D {
                    v_position: [position.0 + size.0, position.1, normalized_depth],          // top right
                    ti_position: [image_size.0, -0.0] },
            ];

            CompuSprite {
                verts: VertexTypes::ImageType(verts, image_handle.clone()),
                position: position,
                size: size,
                color: (0.0, 0.0, 0.0, 0.0),
            }
        }
    }

    impl Drawable for CompuSprite {
        fn get(&self) -> VertexTypes {
            self.verts.clone()
        }
    }

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