fork/Graphite
1
0
Fork 0
mirror of https://github.com/GraphiteEditor/Graphite.git synced 2026-09-17 23:38:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add transform-related nodes to improve transformation abilities (#2893)

Browse Source 
* Improve transformation abilities with transform-related nodes

* Fix Transform -> Merge and Transform -> Artboard connections
This commit is contained in:
Keavon Chambers
2025-07-17 11:58:57 -07:00
committed by GitHub
parent 8f26c5c2ad
commit 561b671f8d
11 changed files with 257 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
node-graph/gcore/src/transform.rs
View File

@@ -6,14 +6,20 @@ use glam::{DAffine2, DMat2, DVec2};
pub trait Transform {
fn transform(&self) -> DAffine2;
fn local_pivot(&self, pivot: DVec2) -> DVec2 {
pivot
}
fn decompose_scale(&self) -> DVec2 {
DVec2::new(
self.transform().transform_vector2((1., 0.).into()).length(),
self.transform().transform_vector2((0., 1.).into()).length(),
)
DVec2::new(self.transform().transform_vector2(DVec2::X).length(), self.transform().transform_vector2(DVec2::Y).length())
}
/// Requires that the transform does not contain any skew.
fn decompose_rotation(&self) -> f64 {
let rotation_matrix = (self.transform() * DAffine2::from_scale(self.decompose_scale().recip())).matrix2;
let rotation = -rotation_matrix.mul_vec2(DVec2::X).angle_to(DVec2::X);
if rotation == -0. { 0. } else { rotation }
}
}
@@ -141,12 +147,21 @@ impl std::hash::Hash for Footprint {
pub trait ApplyTransform {
fn apply_transform(&mut self, modification: &DAffine2);
fn left_apply_transform(&mut self, modification: &DAffine2);
}
impl<T: TransformMut> ApplyTransform for T {
fn apply_transform(&mut self, &modification: &DAffine2) {
*self.transform_mut() = self.transform() * modification
}
fn left_apply_transform(&mut self, &modification: &DAffine2) {
*self.transform_mut() = modification * self.transform()
}
}
impl ApplyTransform for () {
fn apply_transform(&mut self, &_modification: &DAffine2) {}
impl ApplyTransform for DVec2 {
fn apply_transform(&mut self, modification: &DAffine2) {
*self = modification.transform_point2(*self);
}
fn left_apply_transform(&mut self, modification: &DAffine2) {
*self = modification.inverse().transform_point2(*self);
}
}