[mutter] clutter: Remove old split capture based screen shooting API

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit a80b0f34e3419acb01944569c8aee212ba3ec0e6
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Jul 29 11:47:34 2020 +0200

    clutter: Remove old split capture based screen shooting API
    
    This is no longer used, and the replacement (clutter_stage_paint_to_*())
    should be used instead.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1391

 clutter/clutter/clutter-stage.c | 96 -----------------------------------------
 clutter/clutter/clutter-stage.h |  7 ---
 2 files changed, 103 deletions(-)
---
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index 0e0d103add..f298864da7 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -3641,102 +3641,6 @@ clutter_stage_presented (ClutterStage     *stage,
   g_signal_emit (stage, stage_signals[PRESENTED], 0, view, frame_info);
 }
 
-static void
-capture_view (ClutterStage          *stage,
-              gboolean               paint,
-              ClutterStageView      *view,
-              ClutterCapture        *capture)
-{
-  cairo_surface_t *image;
-  uint8_t *data;
-  int stride;
-  cairo_rectangle_int_t *rect;
-  float view_scale;
-  float texture_width;
-  float texture_height;
-
-  rect = &capture->rect;
-
-  view_scale = clutter_stage_view_get_scale (view);
-  texture_width = roundf (rect->width * view_scale);
-  texture_height = roundf (rect->height * view_scale);
-  image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
-                                      texture_width, texture_height);
-  cairo_surface_set_device_scale (image, view_scale, view_scale);
-
-  data = cairo_image_surface_get_data (image);
-  stride = cairo_image_surface_get_stride (image);
-
-  capture_view_into (stage, paint, view, rect, data, stride);
-  capture->image = image;
-
-  cairo_surface_mark_dirty (capture->image);
-}
-
-/**
- * clutter_stage_capture:
- * @stage: a #ClutterStage
- * @paint: whether to pain the frame
- * @rect: a #cairo_rectangle_int_t in stage coordinates
- * @out_captures: (out) (array length=out_n_captures): an array of
- *   #ClutterCapture
- * @out_n_captures: (out): the number of captures in @out_captures
- *
- * Captures the stage pixels of @rect into @captures. @rect is in stage
- * coordinates.
- *
- * Returns: %TRUE if a #ClutterCapture has been created, %FALSE otherwise
- */
-gboolean
-clutter_stage_capture (ClutterStage          *stage,
-                       gboolean               paint,
-                       cairo_rectangle_int_t *rect,
-                       ClutterCapture       **out_captures,
-                       int                   *out_n_captures)
-{
-  ClutterStagePrivate *priv = stage->priv;
-  GList *views = _clutter_stage_window_get_views (priv->impl);
-  GList *l;
-  ClutterCapture *captures;
-  int n_captures;
-
-  g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
-
-  captures = g_new0 (ClutterCapture, g_list_length (views));
-  n_captures = 0;
-
-  for (l = views; l; l = l->next)
-    {
-      ClutterStageView *view = l->data;
-      ClutterCapture *capture;
-      cairo_rectangle_int_t view_layout;
-      cairo_region_t *region;
-
-      clutter_stage_view_get_layout (view, &view_layout);
-      region = cairo_region_create_rectangle (&view_layout);
-      cairo_region_intersect_rectangle (region, rect);
-
-      capture = &captures[n_captures];
-      cairo_region_get_extents (region, &capture->rect);
-      cairo_region_destroy (region);
-
-      if (capture->rect.width == 0 || capture->rect.height == 0)
-        continue;
-
-      capture_view (stage, paint, view, capture);
-
-      n_captures++;
-    }
-
-  if (n_captures == 0)
-    g_clear_pointer (&captures, g_free);
-
-  *out_captures = captures;
-  *out_n_captures = n_captures;
-
-  return n_captures > 0;
-}
-
 gboolean
 clutter_stage_get_capture_final_size (ClutterStage          *stage,
                                       cairo_rectangle_int_t *rect,
diff --git a/clutter/clutter/clutter-stage.h b/clutter/clutter/clutter-stage.h
index 36d292145e..d797cc56c2 100644
--- a/clutter/clutter/clutter-stage.h
+++ b/clutter/clutter/clutter-stage.h
@@ -218,13 +218,6 @@ gboolean clutter_stage_get_capture_final_size (ClutterStage          *stage,
                                                int                   *height,
                                                float                 *scale);
 
-CLUTTER_EXPORT
-gboolean clutter_stage_capture (ClutterStage          *stage,
-                                gboolean               paint,
-                                cairo_rectangle_int_t *rect,
-                                ClutterCapture       **out_captures,
-                                int                   *out_n_captures);
-
 CLUTTER_EXPORT
 void clutter_stage_paint_to_framebuffer (ClutterStage                *stage,
                                          CoglFramebuffer             *framebuffer,