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Fix image export bounds calculation for selected layers (#807) 

* Fix Export Bounds

* Fix the scale of the transform
This commit is contained in:
0HyperCube 2022-10-22 22:48:38 +01:00 committed by Keavon Chambers
parent 05169935ad
commit 1219e26d17
1 changed files with 21 additions and 13 deletions
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34
editor/src/messages/portfolio/document/document_message_handler.rs
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@ -315,6 +315,8 @@ impl MessageHandler<DocumentMessage, (u64, &InputPreprocessorMessageHandler, &Pe
scale_factor,
bounds,
} => {
let old_transforms = self.remove_document_transform();
// Calculate the bounding box of the region to be exported
let bounds = match bounds {
ExportBounds::AllArtwork => self.all_layer_bounds(&persistent_data.font_cache),
@ -328,9 +330,10 @@ impl MessageHandler<DocumentMessage, (u64, &InputPreprocessorMessageHandler, &Pe
}
.unwrap_or_default();
let size = bounds[1] - bounds[0];
let transform = DAffine2::from_scale_angle_translation(1. / size, 0., -bounds[0]);
let transform = (DAffine2::from_translation(bounds[0]) * DAffine2::from_scale(size)).inverse();
let document = self.render_document(size, transform, persistent_data, DocumentRenderMode::Root);
self.restore_document_transform(old_transforms);
let file_suffix = &format!(".{file_type:?}").to_lowercase();
let name = match file_name.ends_with(FILE_SAVE_SUFFIX) {
@ -933,7 +936,9 @@ impl DocumentMessageHandler {
// Calculate the size of the region to be exported
let size = transform.transform_point2(DVec2::ONE) - transform.transform_point2(DVec2::ZERO);
let old_transforms = self.remove_document_transform();
let svg = self.render_document(size, transform.inverse(), persistent_data, DocumentRenderMode::OnlyBelowLayerInFolder(&layer_path));
self.restore_document_transform(old_transforms);
Some(ImaginateBaseImage { svg, size })
} else {
@ -953,10 +958,8 @@ impl DocumentMessageHandler {
)
}
pub fn render_document(&mut self, size: DVec2, transform: DAffine2, persistent_data: &PersistentData, render_mode: DocumentRenderMode) -> String {
// Remove the artwork and artboard pan/tilt/zoom to render it without the user's viewport navigation, and save it to be restored at the end
info!("Transform {transform}");
/// Remove the artwork and artboard pan/tilt/zoom to render it without the user's viewport navigation, and save it to be restored at the end
fn remove_document_transform(&mut self) -> [DAffine2; 2] {
let old_artwork_transform = self.graphene_document.root.transform;
self.graphene_document.root.transform = DAffine2::IDENTITY;
GrapheneDocument::mark_children_as_dirty(&mut self.graphene_document.root);
@ -965,6 +968,19 @@ impl DocumentMessageHandler {
self.artboard_message_handler.artboards_graphene_document.root.transform = DAffine2::IDENTITY;
GrapheneDocument::mark_children_as_dirty(&mut self.artboard_message_handler.artboards_graphene_document.root);
[old_artwork_transform, old_artboard_transform]
}
/// Transform the artwork and artboard back to their original scales
fn restore_document_transform(&mut self, [old_artwork_transform, old_artboard_transform]: [DAffine2; 2]) {
self.graphene_document.root.transform = old_artwork_transform;
GrapheneDocument::mark_children_as_dirty(&mut self.graphene_document.root);
self.artboard_message_handler.artboards_graphene_document.root.transform = old_artboard_transform;
GrapheneDocument::mark_children_as_dirty(&mut self.artboard_message_handler.artboards_graphene_document.root);
}
pub fn render_document(&mut self, size: DVec2, transform: DAffine2, persistent_data: &PersistentData, render_mode: DocumentRenderMode) -> String {
// Render the document SVG code
let render_data = RenderData::new(ViewMode::Normal, &persistent_data.font_cache, None);
@ -986,14 +1002,6 @@ impl DocumentMessageHandler {
size.x, size.y, "\n", outside_artboards, matrix, artboards, artwork
);
// Transform the artwork and artboard back to their original scales
self.graphene_document.root.transform = old_artwork_transform;
GrapheneDocument::mark_children_as_dirty(&mut self.graphene_document.root);
self.artboard_message_handler.artboards_graphene_document.root.transform = old_artboard_transform;
GrapheneDocument::mark_children_as_dirty(&mut self.artboard_message_handler.artboards_graphene_document.root);
svg
}