pittore 0.2.4

Simple toolkit for 2D visualization based on wgpu.
Documentation 
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use glam::Vec2;
use image::GenericImageView;
use wgpu::util::DeviceExt;

use crate::backend::RenderState;

pub struct TextureSet {
    pub texture: wgpu::Texture,
    pub texture_view: wgpu::TextureView,
}

impl TextureSet {
    pub fn new(
        RenderState { device, queue, .. }: &RenderState,
        image: image::DynamicImage,
    ) -> Self {
        let size = image.dimensions();
        let data = image.to_rgba8();

        let texture = device.create_texture_with_data(
            queue,
            &wgpu::TextureDescriptor {
                size: wgpu::Extent3d {
                    width: size.0,
                    height: size.1,
                    depth_or_array_layers: 1,
                },
                mip_level_count: 1,
                sample_count: 1,
                dimension: wgpu::TextureDimension::D2,
                format: wgpu::TextureFormat::Rgba8UnormSrgb,
                usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
                label: Some("texture"),
                view_formats: &[],
            },
            wgpu::util::TextureDataOrder::LayerMajor,
            &data,
        );

        let texture_view = texture.create_view(&wgpu::TextureViewDescriptor::default());

        TextureSet {
            texture,
            texture_view,
        }
    }

    pub fn from_texture(texture: wgpu::Texture) -> Self {
        TextureSet {
            texture_view: texture.create_view(&wgpu::TextureViewDescriptor::default()),
            texture,
        }
    }

    pub fn size(&self) -> Vec2 {
        Vec2::new(
            self.texture.size().width as f32,
            self.texture.size().height as f32,
        )
    }
}