[mutter] clutter/stage: Remove _clutter_stage_get_max_view_scale_factor_for_rect

[Carlos Garnacho <carlosg src gnome org>]

commit 670f4f22fea2de5650bc67ad6f17b99b78185be0
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Fri Apr 10 00:53:33 2020 +0200

    clutter/stage: Remove _clutter_stage_get_max_view_scale_factor_for_rect
    
    Since we now have _clutter_stage_get_views_for_rect(), we can easily
    replace _clutter_stage_get_max_view_scale_factor_for_rect() with it and
    remove that private method.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1196

 clutter/clutter/clutter-actor.c         | 16 +++++++++---
 clutter/clutter/clutter-stage-private.h |  3 ---
 clutter/clutter/clutter-stage.c         | 46 ++++++++++-----------------------
 3 files changed, 26 insertions(+), 39 deletions(-)
---
diff --git a/clutter/clutter/clutter-actor.c b/clutter/clutter/clutter-actor.c
index df6b14338f..4d79e88bac 100644
--- a/clutter/clutter/clutter-actor.c
+++ b/clutter/clutter/clutter-actor.c
@@ -17421,17 +17421,27 @@ _clutter_actor_get_resource_scale_for_rect (ClutterActor    *self,
                                             float           *resource_scale)
 {
   ClutterActor *stage;
+  g_autoptr (GList) views = NULL;
+  GList *l;
   float max_scale = 0;
 
   stage = _clutter_actor_get_stage_internal (self);
   if (!stage)
     return FALSE;
 
-  if (!_clutter_stage_get_max_view_scale_factor_for_rect (CLUTTER_STAGE (stage),
-                                                          bounding_rect,
-                                                          &max_scale))
+  views = clutter_stage_get_views_for_rect (CLUTTER_STAGE (stage),
+                                            bounding_rect);
+
+  if (!views)
     return FALSE;
 
+  for (l = views; l; l = l->next)
+    {
+      ClutterStageView *view = l->data;
+
+      max_scale = MAX (clutter_stage_view_get_scale (view), max_scale);
+    }
+
   *resource_scale = max_scale;
 
   return TRUE;
diff --git a/clutter/clutter/clutter-stage-private.h b/clutter/clutter/clutter-stage-private.h
index ba4a77b733..5d785b644a 100644
--- a/clutter/clutter/clutter-stage-private.h
+++ b/clutter/clutter/clutter-stage-private.h
@@ -125,9 +125,6 @@ gboolean                _clutter_stage_update_state     (ClutterStage      *stag
 
 void                    _clutter_stage_set_scale_factor (ClutterStage      *stage,
                                                          int                factor);
-gboolean                _clutter_stage_get_max_view_scale_factor_for_rect (ClutterStage    *stage,
-                                                                           graphene_rect_t *rect,
-                                                                           float           *view_scale);
 
 void            _clutter_stage_presented                (ClutterStage      *stage,
                                                          CoglFrameEvent     frame_event,
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index fed84e9b00..1c5f5685af 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -4077,20 +4077,29 @@ clutter_stage_get_capture_final_size (ClutterStage          *stage,
                                       int                   *out_height,
                                       float                 *out_scale)
 {
-  float max_scale;
+  float max_scale = 1.0;
 
   g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
 
   if (rect)
     {
       graphene_rect_t capture_rect;
+      g_autoptr (GList) views = NULL;
+      GList *l;
 
       _clutter_util_rect_from_rectangle (rect, &capture_rect);
-      if (!_clutter_stage_get_max_view_scale_factor_for_rect (stage,
-                                                              &capture_rect,
-                                                              &max_scale))
+      views = clutter_stage_get_views_for_rect (stage, &capture_rect);
+
+      if (!views)
         return FALSE;
 
+      for (l = views; l; l = l->next)
+        {
+          ClutterStageView *view = l->data;
+
+          max_scale = MAX (clutter_stage_view_get_scale (view), max_scale);
+        }
+
       if (out_width)
         *out_width = (gint) roundf (rect->width * max_scale);
 
@@ -4376,35 +4385,6 @@ clutter_stage_update_resource_scales (ClutterStage *stage)
   _clutter_actor_queue_update_resource_scale_recursive (CLUTTER_ACTOR (stage));
 }
 
-gboolean
-_clutter_stage_get_max_view_scale_factor_for_rect (ClutterStage    *stage,
-                                                   graphene_rect_t *rect,
-                                                   float           *view_scale)
-{
-  ClutterStagePrivate *priv = stage->priv;
-  float scale = 0.0f;
-  GList *l;
-
-  for (l = _clutter_stage_window_get_views (priv->impl); l; l = l->next)
-    {
-      ClutterStageView *view = l->data;
-      cairo_rectangle_int_t view_layout;
-      graphene_rect_t view_rect;
-
-      clutter_stage_view_get_layout (view, &view_layout);
-      _clutter_util_rect_from_rectangle (&view_layout, &view_rect);
-
-      if (graphene_rect_intersection (&view_rect, rect, NULL))
-        scale = MAX (clutter_stage_view_get_scale (view), scale);
-    }
-
-  if (scale == 0.0)
-    return FALSE;
-
-  *view_scale = scale;
-  return TRUE;
-}
-
 GList *
 clutter_stage_get_views_for_rect (ClutterStage          *stage,
                                   const graphene_rect_t *rect)