1 files changed, 88 insertions, 0 deletions
diff --git a/gtk/gskpangoprivate.h b/gtk/gskpangoprivate.h
new file mode 100644
index 0000000000..5641f9cd67
--- /dev/null
+++ b/gtk/gskpangoprivate.h
@@ -0,0 +1,88 @@
+/* GSK - The GTK Scene Kit
+ *
+ * Copyright 2017 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GSK_PANGO_PRIVATE_H__
+#define __GSK_PANGO_PRIVATE_H__
+
+#include <pango/pango.h>
+#include "gtk/gtksnapshot.h"
+
+G_BEGIN_DECLS
+
+#define GSK_TYPE_PANGO_RENDERER            (gsk_pango_renderer_get_type ())
+#define GSK_PANGO_RENDERER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GSK_TYPE_PANGO_RENDERER, GskPangoRenderer))
+#define GSK_IS_PANGO_RENDERER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GSK_TYPE_PANGO_RENDERER))
+#define GSK_PANGO_RENDERER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GSK_TYPE_PANGO_RENDERER, GskPangoRendererClass))
+#define GSK_IS_PANGO_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GSK_TYPE_PANGO_RENDERER))
+#define GSK_PANGO_RENDERER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GSK_TYPE_PANGO_RENDERER, GskPangoRendererClass))
+
+typedef struct _GskPangoRenderer      GskPangoRenderer;
+typedef struct _GskPangoRendererClass GskPangoRendererClass;
+
+typedef enum
+{
+  GSK_PANGO_RENDERER_NORMAL,
+  GSK_PANGO_RENDERER_SELECTED,
+  GSK_PANGO_RENDERER_CURSOR
+} GskPangoRendererState;
+
+typedef gboolean (*GskPangoShapeHandler) (PangoAttrShape         *attr,
+                                          GdkSnapshot            *snapshot,
+                                          double                  width,
+                                          double                  height);
+
+/*
+ * This is a PangoRenderer implementation that translates all the draw calls to
+ * gsk render nodes, using the GtkSnapshot helper class. Glyphs are translated
+ * to text nodes, other draw calls may fall back to cairo nodes.
+ */
+
+struct _GskPangoRenderer
+{
+  PangoRenderer          parent_instance;
+
+  GtkWidget             *widget;
+  GtkSnapshot           *snapshot;
+  const GdkRGBA         *fg_color;
+
+  /* Error underline color for this widget */
+  GdkRGBA               *error_color;
+
+  GskPangoRendererState  state;
+
+  guint                  is_cached_renderer : 1;
+
+  GskPangoShapeHandler   shape_handler;
+};
+
+struct _GskPangoRendererClass
+{
+  PangoRendererClass parent_class;
+};
+
+GType             gsk_pango_renderer_get_type  (void) G_GNUC_CONST;
+void              gsk_pango_renderer_set_state (GskPangoRenderer      *crenderer,
+                                                GskPangoRendererState  state);
+void              gsk_pango_renderer_set_shape_handler (GskPangoRenderer      *crenderer,
+                                                        GskPangoShapeHandler handler);
+GskPangoRenderer *gsk_pango_renderer_acquire   (void);
+void              gsk_pango_renderer_release   (GskPangoRenderer      *crenderer);
+
+G_END_DECLS
+
+#endif /* __GSK_PANGO_PRIVATE_H__ */