X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fgis-viewer.h;h=848206866687ee661549531d8f9f41eb81fcca6a;hp=999d3d11e60ea94245e63c6d47aa03fd9160325a;hb=2be8bbde8f465947d364b28c5e156631caed6d25;hpb=a15a1829ffbf0176930601ee9ac7cc0c07fa2d06

diff --git a/src/gis-viewer.h b/src/gis-viewer.h
index 999d3d1..8482068 100644
--- a/src/gis-viewer.h
+++ b/src/gis-viewer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
+ * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,6 +21,40 @@
 #include <gtk/gtk.h>
 #include <glib-object.h>
 
+/* Rendering levels */
+/**
+ * GIS_LEVEL_BACKGROUND: 
+ *
+ * The level used to draw background objects (stars, atmosphere, etc).
+ */
+#define GIS_LEVEL_BACKGROUND -100
+
+/**
+ * GIS_LEVEL_WORLD: 
+ *
+ * The level used to draw world objects. This is for both surface data as well
+ * as things in the air or underground. Most objects should use
+ * %GIS_LEVEL_WORLD;
+ */
+#define GIS_LEVEL_WORLD         0
+
+/**
+ * GIS_LEVEL_OVERLAY: 
+ *
+ * The level used to draw screen overlays. These will be drawn in front of most
+ * of ther objects. Text and markers should use %GIS_LEVEL_OVERLAY.
+ */
+#define GIS_LEVEL_OVERLAY     100
+
+/**
+ * GIS_LEVEL_HUD: 
+ *
+ * The level used to draw the Heads Up Display. This is for things that are not
+ * anchored at all the the world. They should be drawn in front of everything
+ * else.
+ */
+#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))
@@ -32,21 +66,36 @@
 typedef struct _GisViewer      GisViewer;
 typedef struct _GisViewerClass GisViewerClass;
 
+/**
+ * GisHeightFunc:
+ * @lat:       the target latitude
+ * @lon:       the target longitude
+ * @user_data: user data passed to the function
+ *
+ * Determine the surface elevation (ground level) at a given point.
+ *
+ * Returns: the elevation in meters above sea level
+ */
 typedef gdouble (*GisHeightFunc)(gdouble lat, gdouble lon, gpointer user_data);
 
-#include "gis-tile.h"
 #include "gis-plugin.h"
+#include "gis-prefs.h"
+#include "objects/gis-object.h"
 
 struct _GisViewer {
 	GtkDrawingArea parent_instance;
 
 	/* instance members */
 	GisPlugins *plugins;
-	gchar      *time;
-	gchar      *site;
+	GisPrefs   *prefs;
+	time_t      time;
 	gdouble     location[3];
 	gdouble     rotation[3];
 	gboolean    offline;
+
+	/* For dragging */
+	gint    drag_mode;
+	gdouble drag_x, drag_y;
 };
 
 struct _GisViewerClass {
@@ -60,39 +109,33 @@ struct _GisViewerClass {
 	                          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,
+	void (*clear_height_func)(GisViewer *viewer);
+	void (*set_height_func)  (GisViewer *viewer, GisBounds *bounds,
 	                          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);
+	GisObject *(*remove)     (GisViewer *viewer, gpointer ref);
 };
 
 GType gis_viewer_get_type(void);
 
 /* Methods */
-GisViewer *gis_viewer_new();
+void gis_viewer_setup(GisViewer *viewer, GisPlugins *plugins, GisPrefs *prefs);
 
-void gis_viewer_set_time(GisViewer *viewer, const gchar *time);
-gchar *gis_viewer_get_time(GisViewer *viewer);
+void gis_viewer_set_time(GisViewer *viewer, time_t time);
+time_t gis_viewer_get_time(GisViewer *viewer);
 
 void gis_viewer_set_location(GisViewer *viewer, gdouble  lat, gdouble  lon, gdouble  elev);
 void gis_viewer_get_location(GisViewer *viewer, gdouble *lat, gdouble *lon, gdouble *elev);
-void gis_viewer_pan         (GisViewer *viewer, gdouble  lat, gdouble  lon, gdouble  elev);
-void gis_viewer_zoom        (GisViewer *viewer, gdouble  scale);
+void gis_viewer_pan(GisViewer *viewer, gdouble forward, gdouble right, gdouble up);
+void gis_viewer_zoom(GisViewer *viewer, gdouble  scale);
 
 void gis_viewer_set_rotation(GisViewer *viewer, gdouble  x, gdouble  y, gdouble  z);
 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);
@@ -106,15 +149,13 @@ 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,
+void gis_viewer_clear_height_func(GisViewer *viewer);
+void gis_viewer_set_height_func(GisViewer *viewer, GisBounds *bounds,
 		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 *viewer, GisObject *object,
+		gint level, gboolean sort);
+GisObject *gis_viewer_remove(GisViewer *viewer, gpointer ref);
 
 #endif