drawing_gl 0.8.0

OpenGL backend for 2D graphics library
Documentation 
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use drawing_api::{euclid::Transform2D, PixelUnit};

// backend device specific unit (for example in range -1.0 .. 1.0 for OpenGL and Direct3D)
#[derive(Hash, Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd)]
pub struct DeviceUnit;

// backend texture specific unit (for example in range 0.0 .. 1.0 for OpenGL and Direct3D)
#[derive(Hash, Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd)]
pub struct UvUnit;

pub type PixelTransform = Transform2D<f32, PixelUnit, PixelUnit>;
pub type PixelToDeviceTransform = Transform2D<f32, PixelUnit, DeviceUnit>;
pub type PixelToUvTransform = Transform2D<f32, PixelUnit, UvUnit>;