[gtk] (41 commits) Non-fast-forward update to branch wip/otte/transform

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/transform' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  91545a7... gsk: Add GskMatrixCategory
  c9f21eb... gtk: Add GtkTransform
  cc9f793... widget: Make gtk_widget_allocate() take a GtkTransform
  a0029e8... widget: Store category of widget transform

Commits added to the branch:

  93b47c1... Fix gtk_widget_compute_transform (*)
  8222631... widget: Clean up gtk_widget_compute_transform() (*)
  cfc7dc0... widget: Add optimizations to gtk_widget_compute_transform() (*)
  8fbfa95... widget: Fail if matrix not invertible (*)
  514c367... widget: Always set out value (*)
  01f7f25... gtk: Check return value of compute_bounds() (*)
  02e856f... widget: Mark compute functions as G_GNUC_WARN_UNUSED_RESULT (*)
  f2dabbe... gsk: Add GskMatrixCategory
  26b5444... gtk: Add GtkTransform
  130a4e0... widget: Make gtk_widget_allocate() take a GtkTransform
  ea527c6... widget: Store category of widget transform
  1febfac... gsk: Remove offset nodes
  d2a0bea... snapshot: Remove dead code
  6157093... snapshot: Store an actual GtkTransform
  9eed7ea... snapshot: Add gtk_snapshot_append_border()
  9a9dd19... snapshot: Refactor text rendering
  316f520... snapshot: Add functions to append shadows
  f095466... snapshot: Remove gtk_snapshot_get_offset()
  7d2a85f... snapshot: Introduce transform APIs
  ae73860... puzzlepiece: Use new snapshot transforms
  278bdd4... calendar: Use new snapshot transforms
  afe6cb1... cellrendererpixbuf: Use new snapshot transforms
  2e8dd82... cellrenderertoggle: Use new snapshot transforms
  1fa52cc... iconhelper: Use new snapshot transforms
  fa61bb7... iconview: Use new snapshot transforms
  6878266... image: Use new snapshot transforms
  0c86063... magnifier: Use new snapshot transforms
  6efba15... picture: Use new snapshot transforms
  01c3d41... renderbackground: Use new snapshot transforms
  b7eae99... rendericon: Use new snapshot transforms
  1de79a0... rendernodepaintable: Use new snapshot transforms
  1dc5d71... scaler: Use new snapshot transforms
  cdf9a10... stack: Use new snapshot transforms
  be738eb... stylecontext: Use new snapshot transforms
  86737c9... textview: Use new snapshot transforms
  323ede6... treeview: Use new snapshot transforms
  3fe06eb... widget: Use new snapshot transforms
  b18548c... widgetpaintable: Use new snapshot transforms
  37f30fb... fpsoverlay: Use new snapshot transforms
  29225e2... layoutoverlay: Use new snapshot transforms
  cc6fcc3... snapshot: Remove the old APIs

(*) This commit already existed in another branch; no separate mail sent