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-rw-r--r--editor/plugins/canvas_item_editor_plugin.cpp18
1 files changed, 14 insertions, 4 deletions
diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index 6e1166bb37..9f66672f4a 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -4306,10 +4306,20 @@ void CanvasItemEditor::_zoom_on_position(float p_zoom, Point2 p_position) {
float prev_zoom = zoom;
zoom = p_zoom;
- Point2 ofs = p_position;
- ofs = ofs / prev_zoom - ofs / zoom;
- view_offset.x = Math::round(view_offset.x + ofs.x);
- view_offset.y = Math::round(view_offset.y + ofs.y);
+
+ view_offset += p_position / prev_zoom - p_position / zoom;
+
+ // We want to align in-scene pixels to screen pixels, this prevents blurry rendering
+ // in small details (texts, lines).
+ // This correction adds a jitter movement when zooming, so we correct only when the
+ // zoom factor is an integer. (in the other cases, all pixels won't be aligned anyway)
+ float closest_zoom_factor = Math::round(zoom);
+ if (Math::is_zero_approx(zoom - closest_zoom_factor)) {
+ // make sure scene pixel at view_offset is aligned on a screen pixel
+ Vector2 view_offset_int = view_offset.floor();
+ Vector2 view_offset_frac = view_offset - view_offset_int;
+ view_offset = view_offset_int + (view_offset_frac * closest_zoom_factor).round() / closest_zoom_factor;
+ }
_update_zoom_label();
update_viewport();