[retro-gtk/wip/aplazas/0.13: 11/14] Port VideoFilter to C

[Adrien Plazas <aplazas src gnome org>]

commit 0f366c878d98ad95dd51cb239dc34b1706cd4696
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Tue Sep 5 18:39:49 2017 +0200

    Port VideoFilter to C

 retro-gtk/Makefile.am                  |    6 +++-
 retro-gtk/retro-video-filter.c         |   45 ++++++++++++++++++++++++++++++++
 retro-gtk/retro-video-filter.h         |   31 ++++++++++++++++++++++
 retro-gtk/vapi/retro-video-filter.vapi |    9 ++++++
 retro-gtk/video/video-filter.vala      |   13 ---------
 5 files changed, 90 insertions(+), 14 deletions(-)
---
diff --git a/retro-gtk/Makefile.am b/retro-gtk/Makefile.am
index f705bf3..b7cb1d8 100644
--- a/retro-gtk/Makefile.am
+++ b/retro-gtk/Makefile.am
@@ -55,6 +55,7 @@ libretro_gtk_la_SOURCES = \
        retro-module.c \
        retro-module-query.vala \
        retro-module-iterator.vala \
+       retro-video-filter.c \
        rumble.vala \
        video.vala \
        retro-core.c \
@@ -63,7 +64,6 @@ libretro_gtk_la_SOURCES = \
        \
        video/cairo-display.vala \
        video/retro-video-converter.c \
-       video/video-filter.vala \
        $(NULL)
 
 video/retro-video-converter.c: retro-gtk-internal.h
@@ -88,6 +88,7 @@ libretro_gtk_la_VALAFLAGS = \
        --pkg retro-device-type \
        --pkg retro-input-descriptor \
        --pkg retro-input-device \
+       --pkg retro-video-filter \
        --pkg gio-2.0  \
        --pkg glib-2.0 \
        --pkg gmodule-2.0 \
@@ -154,6 +155,7 @@ Retro_0_12_gir_SCANNERFLAGS = \
        --c-include=retro-lightgun-id.h \
        --c-include=retro-mouse-id.h \
        --c-include=retro-pointer-id.h \
+       --c-include=retro-video-filter.h \
        --pkg-export=retro-gtk-0.12 \
        $(NULL)
 Retro_0_12_gir_CFLAGS = -DRETRO_GTK_USE_UNSTABLE_API $(retro_gtk_CFLAGS)
@@ -197,11 +199,13 @@ EXTRA_DIST = \
        retro-rotation.h \
        retro-system-av-info.h \
        retro-system-info.h \
+       retro-video-filter.h \
        retro-gtk-0.12.pc.in \
        update-from-retroarch.sh \
        vapi/retro-device-type.vapi \
        vapi/retro-input-descriptor.vapi \
        vapi/retro-input-device.vapi \
+       vapi/retro-video-filter.vapi \
        $(NULL)
 
 INPUTDIR=$(top_srcdir)/../RetroArch/libretro-common/include/
diff --git a/retro-gtk/retro-video-filter.c b/retro-gtk/retro-video-filter.c
new file mode 100644
index 0000000..eafa6ad
--- /dev/null
+++ b/retro-gtk/retro-video-filter.c
@@ -0,0 +1,45 @@
+// This file is part of retro-gtk. License: GPL-3.0+.
+
+#include "retro-video-filter.h"
+
+RetroVideoFilter
+retro_video_filter_from_string (const gchar *filter)
+{
+  GEnumClass* enum_class;
+  RetroVideoFilter result;
+  GEnumValue* eval = NULL;
+
+  g_return_val_if_fail (filter != NULL, RETRO_VIDEO_FILTER_SMOOTH);
+
+  enum_class = (GEnumClass *) g_type_class_ref (RETRO_TYPE_VIDEO_FILTER);
+  eval = g_enum_get_value_by_nick (enum_class, filter);
+
+  result = (eval == NULL) ?
+    RETRO_VIDEO_FILTER_SMOOTH :
+    (RetroVideoFilter) eval->value;
+
+  g_type_class_unref (enum_class);
+
+  return result;
+}
+
+GType
+retro_video_filter_get_type (void)
+{
+  static volatile gsize retro_video_filter_type = 0;
+
+  if (g_once_init_enter (&retro_video_filter_type)) {
+    static const GEnumValue values[] = {
+      { RETRO_VIDEO_FILTER_SMOOTH, "RETRO_VIDEO_FILTER_SMOOTH", "smooth" },
+      { RETRO_VIDEO_FILTER_SHARP, "RETRO_VIDEO_FILTER_SHARP", "sharp" },
+      { 0, NULL, NULL },
+    };
+    GType type;
+
+    type = g_enum_register_static ("RetroVideoFilter", values);
+
+    g_once_init_leave (&retro_video_filter_type, type);
+  }
+
+  return retro_video_filter_type;
+}
diff --git a/retro-gtk/retro-video-filter.h b/retro-gtk/retro-video-filter.h
new file mode 100644
index 0000000..d6aaa1b
--- /dev/null
+++ b/retro-gtk/retro-video-filter.h
@@ -0,0 +1,31 @@
+// This file is part of retro-gtk. License: GPL-3.0+.
+
+#ifndef RETRO_VIDEO_FILTER_H
+#define RETRO_VIDEO_FILTER_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define RETRO_TYPE_VIDEO_FILTER (retro_video_filter_get_type ())
+
+GType retro_video_filter_get_type (void) G_GNUC_CONST;
+
+/**
+ * RetroJoypadId:
+ * @RETRO_VIDEO_FILTER_SMOOTH: A smooth but blurry video filer.
+ * @RETRO_VIDEO_FILTER_SHARP: A sharp video filter showing every pixel.
+ *
+ * Represents the filters that can be applied to the video output.
+ */
+typedef enum
+{
+  RETRO_VIDEO_FILTER_SMOOTH,
+  RETRO_VIDEO_FILTER_SHARP,
+} RetroVideoFilter;
+
+RetroVideoFilter retro_video_filter_from_string (const gchar *filter);
+
+G_END_DECLS
+
+#endif /* RETRO_VIDEO_FILTER_H */
diff --git a/retro-gtk/vapi/retro-video-filter.vapi b/retro-gtk/vapi/retro-video-filter.vapi
new file mode 100644
index 0000000..62be7d9
--- /dev/null
+++ b/retro-gtk/vapi/retro-video-filter.vapi
@@ -0,0 +1,9 @@
+// This file is part of retro-gtk. License: GPL-3.0+.
+
+[CCode (cheader_filename = "retro-video-filter.h")]
+public enum Retro.VideoFilter {
+       SMOOTH,
+       SHARP;
+
+       public static VideoFilter from_string (string filter);
+}