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Better checks for invalid transforms in the transform cage (#831)

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* Better checks for invalid transform

* Fix resize cursor

* Do not allow resizing with no width/height

* Fix pivots for 0 width/height layers
This commit is contained in:
0HyperCube
2022-10-27 00:14:32 +01:00
committed by Keavon Chambers
parent e4dc368ecc
commit fa7116133b
3 changed files with 43 additions and 13 deletions
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10
editor/src/messages/tool/common_functionality/pivot.rs
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@@ -41,7 +41,15 @@ impl Default for Pivot {
impl Pivot {
/// Calculates the transform that gets from normalized pivot to viewspace.
fn get_layer_pivot_transform(layer_path: &[LayerId], layer: &graphene::layers::layer_info::Layer, document: &DocumentMessageHandler, font_cache: &FontCache) -> DAffine2 {
let [min, max] = layer.aabb_for_transform(DAffine2::IDENTITY, font_cache).unwrap_or([DVec2::ZERO, DVec2::ONE]);
let [mut min, max] = layer.aabb_for_transform(DAffine2::IDENTITY, font_cache).unwrap_or([DVec2::ZERO, DVec2::ONE]);
// If the layer bounds are 0 in either axis then set them to one (to avoid div 0)
if (max.x - min.x) < f64::EPSILON * 1000. {
min.x = max.x - 1.;
}
if (max.y - min.y) < f64::EPSILON * 1000. {
min.y = max.y - 1.;
}
let bounds_transform = DAffine2::from_translation(min) * DAffine2::from_scale(max - min);
let layer_transform = document.graphene_document.multiply_transforms(layer_path).unwrap_or(DAffine2::IDENTITY);
layer_transform * bounds_transform