Expand description
Stores viewport information.
Fields
rect: [i32; 4]
Viewport in pixels.
[x, y, width, height]
where (x, y)
is lower left corner.
draw_size: [u32; 2]
The size of frame buffer in pixels.
window_size: [f64; 2]
The size of window in points.
Implementations
sourceimpl Viewport
impl Viewport
sourcepub fn abs_transform<T: Float>(&self) -> [[T; 3]; 2]
pub fn abs_transform<T: Float>(&self) -> [[T; 3]; 2]
Computes absolute transform for 2D graphics, which uses a row major 2x3 matrix. The origin is in the upper left corner of the viewport rectangle. The x-axis points to the right, and the y-axis points down. The units are in points (window coordinates).
It is assumed that the underlying coordinate system is normalized
with the origin in the center, such that (-1.0, 1.0)
in the
underlying coordinate system corresponds to the
upper left corner of the viewport.
Trait Implementations
impl Copy for Viewport
impl StructuralPartialEq for Viewport
Auto Trait Implementations
impl RefUnwindSafe for Viewport
impl Send for Viewport
impl Sync for Viewport
impl Unpin for Viewport
impl UnwindSafe for Viewport
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more