scene: add RECT node type

RECT is a solid-colored rectangle, useful for simple borders or other
decoration.  This can be rendered directly using the wlr_renderer,
without needing to create a surface.

1 files changed, 24 insertions, 0 deletions

diff --git a/include/wlr/types/wlr_scene.h b/include/wlr/types/wlr_scene.h
index 6e0aebf8..4b3c1aaf 100644
--- a/include/wlr/types/wlr_scene.h
+++ b/include/wlr/types/wlr_scene.h
@@ -28,6 +28,7 @@ struct wlr_output;
 enum wlr_scene_node_type {
 	WLR_SCENE_NODE_ROOT,
 	WLR_SCENE_NODE_SURFACE,
+	WLR_SCENE_NODE_RECT,
 };
 
 struct wlr_scene_node_state {
@@ -67,6 +68,13 @@ struct wlr_scene_surface {
 	struct wl_listener surface_destroy;
 };
 
+/** A scene-graph node displaying a solid-colored rectangle */
+struct wlr_scene_rect {
+	struct wlr_scene_node node;
+	int width, height;
+	float color[4];
+};
+
 typedef void (*wlr_scene_node_iterator_func_t)(struct wlr_scene_node *node,
 	int sx, int sy, void *data);
 
@@ -134,4 +142,20 @@ void wlr_scene_render_output(struct wlr_scene *scene, struct wlr_output *output,
 struct wlr_scene_surface *wlr_scene_surface_create(struct wlr_scene_node *parent,
 	struct wlr_surface *surface);
 
+/**
+ * Add a node displaying a solid-colored rectangle to the scene-graph.
+ */
+struct wlr_scene_rect *wlr_scene_rect_create(struct wlr_scene_node *parent,
+		int width, int height, const float color[static 4]);
+
+/**
+ * Change the width and height of an existing rectangle node.
+ */
+void wlr_scene_rect_set_size(struct wlr_scene_rect *rect, int width, int height);
+
+/**
+ * Change the color of an existing rectangle node.
+ */
+void wlr_scene_rect_set_color(struct wlr_scene_rect *rect, const float color[static 4]);
+
 #endif