[gtk+/wip/baedert/gl: 7/95] add tests/showrendernode
- From: Timm Bäder <baedert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/baedert/gl: 7/95] add tests/showrendernode
- Date: Tue, 19 Dec 2017 14:43:01 +0000 (UTC)
commit 745e07f856d471b57e6b5e3403b8f0ba9f134edd
Author: Timm Bäder <mail baedert org>
Date: Sat Nov 11 06:41:41 2017 +0100
add tests/showrendernode
A .node file viewer.
tests/meson.build | 3 +-
tests/showrendernode.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 127 insertions(+), 1 deletions(-)
---
diff --git a/tests/meson.build b/tests/meson.build
index 11f5ce2..2c435c0 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -125,7 +125,8 @@ gtk_tests = [
['testgaction'],
['testwidgetfocus'],
['testcenterbox'],
- ['testgridbaseline']
+ ['testgridbaseline'],
+ ['showrendernode'],
]
if os_linux
diff --git a/tests/showrendernode.c b/tests/showrendernode.c
new file mode 100644
index 0000000..0db3827
--- /dev/null
+++ b/tests/showrendernode.c
@@ -0,0 +1,125 @@
+#include <gtk/gtk.h>
+
+
+typedef struct _GtkNodeView GtkNodeView;
+typedef struct _GtkNodeViewClass GtkNodeViewClass;
+
+#define GTK_TYPE_NODE_VIEW (gtk_node_view_get_type ())
+#define GTK_NODE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST(obj, GTK_TYPE_NODE_VIEW, GtkNodeView))
+#define GTK_NODE_VIEW_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST(cls, GTK_TYPE_NODE_VIEW, GtkNodeViewClass))
+struct _GtkNodeView
+{
+ GtkWidget parent_instance;
+
+ GskRenderNode *node;
+};
+
+struct _GtkNodeViewClass
+{
+ GtkWidgetClass parent_class;
+};
+
+GType gtk_node_view_get_type (void) G_GNUC_CONST;
+
+
+G_DEFINE_TYPE(GtkNodeView, gtk_node_view, GTK_TYPE_WIDGET)
+
+static void
+gtk_node_view_snapshot (GtkWidget *widget,
+ GtkSnapshot *snapshot)
+{
+ GtkNodeView *self = GTK_NODE_VIEW (widget);
+
+ if (self->node != NULL)
+ {
+ gtk_snapshot_push_clip (snapshot,
+ &GRAPHENE_RECT_INIT (
+ 0, 0,
+ gtk_widget_get_width (widget), gtk_widget_get_height (widget)),
+ "nodeview clip");
+ gtk_snapshot_append_node (snapshot, self->node);
+ gtk_snapshot_pop (snapshot);
+ }
+}
+
+static void
+gtk_node_view_finalize (GObject *object)
+{
+ GtkNodeView *self = GTK_NODE_VIEW (object);
+
+ if (self->node)
+ gsk_render_node_unref (self->node);
+
+ G_OBJECT_CLASS (gtk_node_view_parent_class)->finalize (object);
+}
+
+static void
+gtk_node_view_init (GtkNodeView *self)
+{
+ gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
+}
+
+static void
+gtk_node_view_class_init (GtkNodeViewClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ object_class->finalize = gtk_node_view_finalize;
+
+ widget_class->snapshot = gtk_node_view_snapshot;
+}
+
+int
+main (int argc, char **argv)
+{
+ GtkWidget *window;
+ GtkWidget *nodeview;
+ char *contents;
+ gsize len;
+ GError *error = NULL;
+ GBytes *bytes;
+ graphene_rect_t node_bounds;
+
+ if (argc != 2)
+ {
+ printf ("Usage: showrendernode NODEFILE\n");
+ return 0;
+ }
+
+ gtk_init ();
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ nodeview = g_object_new (GTK_TYPE_NODE_VIEW, NULL);
+
+ gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
+ gtk_container_add (GTK_CONTAINER (window), nodeview);
+
+ g_file_get_contents (argv[1], &contents, &len, &error);
+ if (error)
+ {
+ g_warning ("%s", error->message);
+ return -1;
+ }
+
+ bytes = g_bytes_new_take (contents, len);
+ GTK_NODE_VIEW (nodeview)->node = gsk_render_node_deserialize (bytes, &error);
+ g_bytes_unref (bytes);
+
+ if (GTK_NODE_VIEW (nodeview)->node == NULL)
+ {
+ g_test_message ("Invalid node file: %s\n", error->message);
+ g_clear_error (&error);
+ g_test_fail ();
+ return -1;
+ }
+
+ gsk_render_node_get_bounds (GTK_NODE_VIEW (nodeview)->node, &node_bounds);
+ gtk_window_resize (GTK_WINDOW (window), node_bounds.size.width, node_bounds.size.height);
+
+ g_signal_connect (window, "delete-event", G_CALLBACK (gtk_main_quit), NULL);
+ gtk_widget_show (window);
+ gtk_main ();
+
+ return 0;
+}
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