/*
- * 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
#define __GIS_OBJECT_H__
#include <glib.h>
+#include <glib-object.h>
+#include <cairo.h>
+
+
+/* Take that GLib boilerplate! */
+#define GOBJECT_HEAD( \
+ MAM, BAR, \
+ Mam, Bar, \
+ mam, bar) \
+GType mam##_##bar##_get_type(void); \
+typedef struct _##Mam##Bar Mam##Bar; \
+typedef struct _##Mam##Bar##Class Mam##Bar##Class; \
+static inline Mam##Bar *MAM##_##BAR(gpointer obj) { \
+ return G_TYPE_CHECK_INSTANCE_CAST(obj, MAM##_TYPE_##BAR, Mam##Bar); \
+} \
+static inline gboolean MAM##_IS_##BAR(gpointer obj) { \
+ return G_TYPE_CHECK_INSTANCE_TYPE(obj, MAM##_TYPE_##BAR); \
+} \
+static inline Mam##Bar##Class *MAM##_##BAR##_CLASS(gpointer klass) { \
+ return G_TYPE_CHECK_CLASS_CAST(klass, MAM##_TYPE_##BAR, Mam##Bar##Class); \
+} \
+static inline gboolean MAM##_IS_##BAR##_CLASS(gpointer klass) { \
+ return G_TYPE_CHECK_CLASS_TYPE(klass, MAM##_TYPE_##BAR); \
+} \
+static inline Mam##Bar##Class *MAM##_##BAR##_GET_CLASS(gpointer obj) { \
+ return G_TYPE_INSTANCE_GET_CLASS(obj, MAM##_TYPE_##BAR, Mam##Bar##Class); \
+}
+
+#define GOBJECT_BODY( \
+ parent_type, \
+ MAM, BAR, \
+ Mam, Bar, \
+ mam, bar) \
+G_DEFINE_TYPE(Mam##Bar, mam##_##bar, parent_type); \
+static void mam##_##bar##_init(Mam##Bar *self) { \
+} \
+static void mam##_##bar##_class_init(Mam##Bar##Class *klass) { \
+} \
+static Mam##Bar *mam##_##bar##_new() { \
+ return g_object_new(MAM##_TYPE_##BAR, NULL); \
+}
+
+
+/* GisPoint */
+typedef struct _GisPoint GisPoint;
-/* Base types */
-typedef struct _GisProjection GisProjection;
-typedef struct _GisPoint GisPoint;
-
-struct _GisProjection {
- gdouble model[16];
- gdouble proj[16];
- gint view[4];
-};
struct _GisPoint {
- union {
- gdouble lle[3];
- struct { gdouble lat, lon, elev; };
- };
- union {
- gdouble xyz[3];
- struct { gdouble x, y, z; };
- };
- union {
- gdouble proj[3];
- struct { gdouble px, py, pz; };
- };
- union {
- gdouble norm[3];
- struct { gdouble nx, ny, nz; };
- };
- union {
- gdouble coords[2];
- struct { gdouble cx, cy, xz; };
- };
- gint refs;
+ gdouble lat, lon, elev;
};
-/* Objects */
-#define GIS_OBJECT(object) ((GisObject *)object)
-#define GIS_TRIANGLE(triangle) ((GisTriangle*)triangle)
-#define GIS_QUAD(quad) ((GisQuad *)quad)
-#define GIS_CALLBACK(callback) ((GisCallback*)callback)
-#define GIS_MARKER(marker) ((GisMarker *)marker)
-
-typedef enum {
- GIS_TYPE_TRIANGLE,
- GIS_TYPE_QUAD,
- GIS_TYPE_CALLBACK,
- GIS_TYPE_MARKER,
- GIS_NUM_TYPES,
-} GisObjectType;
-
-typedef struct _GisObject GisObject;
-typedef struct _GisTriangle GisTriangle;
-typedef struct _GisQuad GisQuad;
-typedef struct _GisCallback GisCallback;
-typedef struct _GisMarker GisMarker;
+GisPoint *gis_point_new();
+void gis_point_set_lle(GisPoint *point, gdouble lat, gdouble lon, gdouble elev);
+void gis_point_free(GisPoint *point);
-typedef gpointer (*GisCallbackFunc)(GisCallback *callback, gpointer user_data);
+
+/* GisObject */
+#define GIS_TYPE_OBJECT (gis_object_get_type())
+
+GOBJECT_HEAD(
+ GIS, OBJECT,
+ Gis, Object,
+ gis, object);
struct _GisObject {
- GisObjectType type;
- GisPoint center;
- GisProjection *proj;
- gdouble lod;
+ GObject parent_instance;
+ GisPoint center;
+ gdouble lod;
+};
+
+struct _GisObjectClass {
+ GObjectClass parent_class;
};
-struct _GisTriangle {
- GisObject parent;
- GisPoint *verts[3];
+
+static inline GisPoint *gis_object_center(GisObject *object)
+{
+ return &GIS_OBJECT(object)->center;
+}
+
+
+/* GisMarker */
+#define GIS_TYPE_MARKER (gis_marker_get_type())
+
+GOBJECT_HEAD(
+ GIS, MARKER,
+ Gis, Marker,
+ gis, marker);
+
+struct _GisMarker {
+ GisObject parent_instance;
+ gint xoff, yoff;
+ gchar *label;
+ cairo_t *cairo;
guint tex;
};
-struct _GisQuad {
- GisObject parent;
- GisPoint *verts[4];
- guint tex;
+
+struct _GisMarkerClass {
+ GisObjectClass parent_class;
};
+
+GisMarker *gis_marker_new(const gchar *label);
+
+
+/* GisCallback */
+#define GIS_TYPE_CALLBACK (gis_callback_get_type())
+
+GOBJECT_HEAD(
+ GIS, CALLBACK,
+ Gis, Callback,
+ gis, callback);
+
+typedef gpointer (*GisCallbackFunc)(GisCallback *callback, gpointer user_data);
+
struct _GisCallback {
GisObject parent;
GisCallbackFunc callback;
gpointer user_data;
};
-struct _GisMarker {
- GisObject parent;
- gchar *label;
-};
-/* Support functions */
-#define gis_object_center(object) \
- (&GIS_OBJECT(object)->center)
-
-GisPoint *gis_point_new();
-void gis_point_set_lle(GisPoint *point, gdouble lat, gdouble lon, gdouble elev);
-void gis_point_set_xyz(GisPoint *point, gdouble x, gdouble y, gdouble z);
-void gis_point_set_coords(GisPoint *point, gdouble x, gdouble y);
-void gis_point_project(GisPoint *point, GisProjection *proj);
-GisPoint *gis_point_ref(GisPoint *point);
-void gis_point_unref(GisPoint *point);
-
-GisTriangle *gis_triangle_new(GisPoint *a, GisPoint *b, GisPoint *c, guint tex);
-void gis_triangle_free(GisTriangle *tri);
-
-GisQuad *gis_quad_new(GisPoint *a, GisPoint *b, GisPoint *c, GisPoint *d, guint tex);
-void gis_quad_free(GisQuad *quad);
+struct _GisCallbackClass {
+ GisObjectClass parent_class;
+};
GisCallback *gis_callback_new(GisCallbackFunc callback, gpointer user_data);
-void gis_callback_free(GisCallback *cb);
-
-GisMarker *gis_marker_new(const gchar *label);
-void gis_marker_free(GisMarker *marker);
#endif
projects / grits / blobdiff