X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=src%2Fgis-viewer.h;h=102136ca8a9f009509426572a8207dc256cf67fa;hb=37170f3b0fe9625d75a294eeef1b4442fa63a7f1;hp=b6eb0f7d04ca117e15fade3c961b9bb5fb93be90;hpb=a2a902d978b6050289f7a92794fb1dc0aa2b5e26;p=grits

diff --git a/src/gis-viewer.h b/src/gis-viewer.h
index b6eb0f7..102136c 100644
--- a/src/gis-viewer.h
+++ b/src/gis-viewer.h
@@ -18,8 +18,14 @@
 #ifndef __GIS_VIEWER_H__
 #define __GIS_VIEWER_H__
 
+#include <gtk/gtk.h>
 #include <glib-object.h>
 
+#define GIS_LEVEL_BACKGROUND -100
+#define GIS_LEVEL_WORLD         0
+#define GIS_LEVEL_OVERLAY     100
+#define GIS_LEVEL_HUD         200
+
 /* Type macros */
 #define GIS_TYPE_VIEWER            (gis_viewer_get_type())
 #define GIS_VIEWER(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),   GIS_TYPE_VIEWER, GisViewer))
@@ -31,21 +37,48 @@
 typedef struct _GisViewer      GisViewer;
 typedef struct _GisViewerClass GisViewerClass;
 
+typedef gdouble (*GisHeightFunc)(gdouble lat, gdouble lon, gpointer user_data);
+
+#include "gis-tile.h"
+#include "gis-plugin.h"
+#include "gis-object.h"
+
 struct _GisViewer {
-	GObject parent_instance;
+	GtkDrawingArea parent_instance;
 
 	/* instance members */
-	gchar   *time;
-	gchar   *site;
-	gdouble  location[3];
-	gdouble  rotation[3];
-	gboolean offline;
+	GisPlugins *plugins;
+	gchar      *time;
+	gdouble     location[3];
+	gdouble     rotation[3];
+	gboolean    offline;
 };
 
 struct _GisViewerClass {
-	GObjectClass parent_class;
+	GtkDrawingAreaClass parent_class;
 
 	/* class members */
+	void (*center_position)  (GisViewer *viewer,
+	                          gdouble lat, gdouble lon, gdouble elev);
+
+	void (*project)          (GisViewer *viewer,
+	                          gdouble lat, gdouble lon, gdouble elev,
+	                          gdouble *px, gdouble *py, gdouble *pz);
+
+	void (*clear_height_func)(GisViewer *self);
+	void (*set_height_func)  (GisViewer *self, GisTile *tile,
+	                          GisHeightFunc height_func, gpointer user_data,
+	                          gboolean update);
+
+	void (*render_tile)      (GisViewer *viewer, GisTile *tile);
+	void (*render_tiles)     (GisViewer *viewer, GisTile *root);
+
+	void (*begin)            (GisViewer *viewer);
+	void (*end)              (GisViewer *viewer);
+
+	gpointer (*add)          (GisViewer *viewer, GisObject *object,
+	                          gint level, gboolean sort);
+	void (*remove)           (GisViewer *viewer, gpointer ref);
 };
 
 GType gis_viewer_get_type(void);
@@ -65,13 +98,32 @@ void gis_viewer_set_rotation(GisViewer *viewer, gdouble  x, gdouble  y, gdouble
 void gis_viewer_get_rotation(GisViewer *viewer, gdouble *x, gdouble *y, gdouble *z);
 void gis_viewer_rotate      (GisViewer *viewer, gdouble  x, gdouble  y, gdouble  z);
 
-/* To be deprecated, use {get,set}_location */
-void gis_viewer_set_site(GisViewer *viewer, const gchar *site);
-gchar *gis_viewer_get_site(GisViewer *viewer);
-
 void gis_viewer_refresh(GisViewer *viewer);
 
 void gis_viewer_set_offline(GisViewer *viewer, gboolean offline);
 gboolean gis_viewer_get_offline(GisViewer *viewer);
 
+/* To be implemented by subclasses */
+void gis_viewer_center_position(GisViewer *viewer,
+		gdouble lat, gdouble lon, gdouble elev);
+
+void gis_viewer_project(GisViewer *viewer,
+		gdouble lat, gdouble lon, gdouble elev,
+		gdouble *px, gdouble *py, gdouble *pz);
+
+void gis_viewer_clear_height_func(GisViewer *self);
+void gis_viewer_set_height_func(GisViewer *self, GisTile *tile,
+		GisHeightFunc height_func, gpointer user_data,
+		gboolean update);
+
+void gis_viewer_render_tile (GisViewer *viewer, GisTile *tile);
+void gis_viewer_render_tiles(GisViewer *viewer, GisTile *root);
+
+void gis_viewer_begin(GisViewer *viewer);
+void gis_viewer_end  (GisViewer *viewer);
+
+gpointer gis_viewer_add(GisViewer *self, GisObject *object,
+		gint level, gboolean sort);
+void gis_viewer_remove(GisViewer *self, gpointer ref);
+
 #endif