[gtk/wip/baedert/for-master: 748/748] widget: Use gsk_transform_transform_point() in gtk_widget_pick()

[Timm Bäder <baedert src gnome org>]

commit 8e41fa2778900422d1d094bbc5bf659ac2409bf3
Author: Timm Bäder <mail baedert org>
Date:   Fri Jan 24 06:18:03 2020 +0100

    widget: Use gsk_transform_transform_point() in gtk_widget_pick()
    
    This also covers the 2D_AFFINE case.

 gtk/gtkwidget.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index f3224d2cb6..283c5163e3 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -10502,12 +10502,15 @@ gtk_widget_do_pick (GtkWidget    *widget,
         {
           transform = NULL;
         }
-      if (gsk_transform_get_category (transform) >= GSK_TRANSFORM_CATEGORY_2D_TRANSLATE)
+
+      if (gsk_transform_get_category (transform) >= GSK_TRANSFORM_CATEGORY_2D_AFFINE)
         {
-          float dx, dy;
+          graphene_point_t transformed_p;
 
-          gsk_transform_to_translate (transform, &dx, &dy);
-          graphene_point3d_init (&res, x + dx, y + dy, 0.);
+          gsk_transform_transform_point (transform,
+                                         &(graphene_point_t) { x, y },
+                                         &transformed_p);
+          graphene_point3d_init (&res, transformed_p.x, transformed_p.y, 0.);
         }
       else
         {