[metacity] libmetacity: don't expose MetaGradientSpec

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 3c566b2cb01ea3703aea216959f870b0269a6878
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Feb 7 23:11:44 2016 +0200

    libmetacity: don't expose MetaGradientSpec

 libmetacity/Makefile.am                            |    5 +--
 libmetacity/meta-draw-op-private.h                 |    2 +-
 libmetacity/meta-gradient-private.h                |   18 +++++++-
 ...radient-spec.h => meta-gradient-spec-private.h} |   19 +++++++-
 libmetacity/meta-gradient-spec.c                   |    2 +-
 libmetacity/meta-gradient.h                        |   44 --------------------
 src/ui/testgradient.c                              |    1 -
 7 files changed, 35 insertions(+), 56 deletions(-)
---
diff --git a/libmetacity/Makefile.am b/libmetacity/Makefile.am
index de818ee..8975d23 100644
--- a/libmetacity/Makefile.am
+++ b/libmetacity/Makefile.am
@@ -25,10 +25,9 @@ libmetacity_la_SOURCES = \
        meta-frame-style.c \
        meta-frame-style.h \
        meta-gradient.c \
-       meta-gradient.h \
        meta-gradient-private.h \
        meta-gradient-spec.c \
-       meta-gradient-spec.h \
+       meta-gradient-spec-private.h \
        meta-hsla.c \
        meta-hsla-private.h \
        meta-style-info.c \
@@ -78,8 +77,6 @@ libmetacity_include_HEADERS = \
        meta-frame-enums.h \
        meta-frame-layout.h \
        meta-frame-style.h \
-       meta-gradient.h \
-       meta-gradient-spec.h \
        meta-theme.h \
        $(NULL)
 
diff --git a/libmetacity/meta-draw-op-private.h b/libmetacity/meta-draw-op-private.h
index 2cc4f1a..ad3260d 100644
--- a/libmetacity/meta-draw-op-private.h
+++ b/libmetacity/meta-draw-op-private.h
@@ -24,7 +24,7 @@
 #include "meta-color-spec.h"
 #include "meta-draw-spec.h"
 #include "meta-frame-borders.h"
-#include "meta-gradient-spec.h"
+#include "meta-gradient-spec-private.h"
 
 G_BEGIN_DECLS
 
diff --git a/libmetacity/meta-gradient-private.h b/libmetacity/meta-gradient-private.h
index e460bdd..99ee64e 100644
--- a/libmetacity/meta-gradient-private.h
+++ b/libmetacity/meta-gradient-private.h
@@ -22,10 +22,24 @@
 #include <gdk-pixbuf/gdk-pixbuf.h>
 #include <gdk/gdk.h>
 
-#include "meta-gradient.h"
-
 G_BEGIN_DECLS
 
+/**
+ * MetaGradientType:
+ * @META_GRADIENT_VERTICAL: Vertical gradient
+ * @META_GRADIENT_HORIZONTAL: Horizontal gradient
+ * @META_GRADIENT_DIAGONAL: Diagonal gradient
+ * @META_GRADIENT_LAST: Marks the end of the #MetaGradientType enumeration
+ *
+ */
+typedef enum
+{
+  META_GRADIENT_VERTICAL,
+  META_GRADIENT_HORIZONTAL,
+  META_GRADIENT_DIAGONAL,
+  META_GRADIENT_LAST
+} MetaGradientType;
+
 G_GNUC_INTERNAL
 GdkPixbuf *meta_gradient_create_simple     (int               width,
                                             int               height,
diff --git a/libmetacity/meta-gradient-spec.h b/libmetacity/meta-gradient-spec-private.h
similarity index 91%
rename from libmetacity/meta-gradient-spec.h
rename to libmetacity/meta-gradient-spec-private.h
index bae2d7e..e131214 100644
--- a/libmetacity/meta-gradient-spec.h
+++ b/libmetacity/meta-gradient-spec-private.h
@@ -16,50 +16,63 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef META_GRADIENT_SPEC_H
-#define META_GRADIENT_SPEC_H
+#ifndef META_GRADIENT_SPEC_PRIVATE_H
+#define META_GRADIENT_SPEC_PRIVATE_H
 
 #include <gtk/gtk.h>
-#include <libmetacity/meta-gradient.h>
+
+#include "meta-gradient-private.h"
 
 G_BEGIN_DECLS
 
 typedef struct _MetaAlphaGradientSpec MetaAlphaGradientSpec;
 typedef struct _MetaGradientSpec MetaGradientSpec;
 
+G_GNUC_INTERNAL
 MetaGradientSpec      *meta_gradient_spec_new               (MetaGradientType         type);
 
+G_GNUC_INTERNAL
 void                   meta_gradient_spec_free              (MetaGradientSpec        *spec);
 
+G_GNUC_INTERNAL
 void                   meta_gradient_spec_add_color_spec    (MetaGradientSpec        *spec,
                                                              MetaColorSpec           *color_spec);
 
+G_GNUC_INTERNAL
 GdkPixbuf             *meta_gradient_spec_render            (const MetaGradientSpec  *spec,
                                                              GtkStyleContext         *context,
                                                              gint                     width,
                                                              gint                     height);
 
+G_GNUC_INTERNAL
 gboolean               meta_gradient_spec_validate          (MetaGradientSpec        *spec,
                                                              GError                 **error);
 
+G_GNUC_INTERNAL
 MetaAlphaGradientSpec *meta_alpha_gradient_spec_new         (MetaGradientType         type,
                                                              gint                     n_alphas);
 
+G_GNUC_INTERNAL
 void                   meta_alpha_gradient_spec_free        (MetaAlphaGradientSpec   *spec);
 
+G_GNUC_INTERNAL
 void                   meta_alpha_gradient_spec_add_alpha   (MetaAlphaGradientSpec   *spec,
                                                              gint                     n_alpha,
                                                              gdouble                  alpha);
 
+G_GNUC_INTERNAL
 guchar                 meta_alpha_gradient_spec_get_alpha   (MetaAlphaGradientSpec   *spec,
                                                              gint                     n_alpha);
 
+G_GNUC_INTERNAL
 gboolean               meta_alpha_gradient_spec_needs_alpha (MetaAlphaGradientSpec   *spec);
 
+G_GNUC_INTERNAL
 GdkPixbuf             *meta_alpha_gradient_spec_apply_alpha (MetaAlphaGradientSpec   *spec,
                                                              GdkPixbuf               *pixbuf,
                                                              gboolean                 force_copy);
 
+G_GNUC_INTERNAL
 GdkPixbuf             *meta_alpha_gradient_spec_render      (MetaAlphaGradientSpec   *spec,
                                                              gint                     width,
                                                              gint                     height,
diff --git a/libmetacity/meta-gradient-spec.c b/libmetacity/meta-gradient-spec.c
index dcf974f..76c6ccd 100644
--- a/libmetacity/meta-gradient-spec.c
+++ b/libmetacity/meta-gradient-spec.c
@@ -22,7 +22,7 @@
 
 #include "meta-color-spec.h"
 #include "meta-gradient-private.h"
-#include "meta-gradient-spec.h"
+#include "meta-gradient-spec-private.h"
 #include "meta-theme.h"
 
 struct _MetaGradientSpec
diff --git a/src/ui/testgradient.c b/src/ui/testgradient.c
index 759775a..f2a6a6a 100644
--- a/src/ui/testgradient.c
+++ b/src/ui/testgradient.c
@@ -19,7 +19,6 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 #include <gtk/gtk.h>
-#include <libmetacity/meta-gradient.h>
 #include <libmetacity/meta-gradient-private.h>
 
 typedef void (* RenderGradientFunc) (cairo_t     *cr,