Removing ridge plugin and moving exmaple plugin

[grits] / src / examples / plugin / teapot.c

diff --git a/src/examples/plugin/teapot.c b/src/examples/plugin/teapot.c
new file mode 100644 (file)
index 0000000..fd551cc
--- /dev/null
+++ b/src/examples/plugin/teapot.c
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
+ * 
+ * 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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gtk/gtkgl.h>
+#include <GL/gl.h>
+
+#include <gis.h>
+
+#include "teapot.h"
+
+/***********
+ * Helpers *
+ ***********/
+static gboolean rotate(gpointer _self)
+{
+       GisPluginTeapot *self = _self;
+       if (gtk_toggle_button_get_active(self->button)) {
+               self->rotation += 1.0;
+               gis_opengl_redraw(self->opengl);
+       }
+       return TRUE;
+}
+
+
+/***********
+ * Methods *
+ ***********/
+GisPluginTeapot *gis_plugin_teapot_new(GisWorld *world, GisView *view, GisOpenGL *opengl)
+{
+       g_debug("GisPluginTeapot: new");
+       GisPluginTeapot *self = g_object_new(GIS_TYPE_PLUGIN_TEAPOT, NULL);
+       self->opengl = opengl;
+
+       return self;
+}
+
+static GtkWidget *gis_plugin_teapot_get_config(GisPlugin *_self)
+{
+       GisPluginTeapot *self = GIS_PLUGIN_TEAPOT(_self);
+       return GTK_WIDGET(self->button);
+}
+
+static void gis_plugin_teapot_expose(GisPlugin *_self)
+{
+       GisPluginTeapot *self = GIS_PLUGIN_TEAPOT(_self);
+       g_debug("GisPluginTeapot: expose");
+
+       glMatrixMode(GL_PROJECTION);
+       glLoadIdentity();
+       glOrtho(1,-1, -1,1, -10,10);
+
+       glMatrixMode(GL_MODELVIEW);
+       glLoadIdentity();
+
+       float light_ambient[]  = {0.1f, 0.1f, 0.0f, 1.0f};
+       float light_diffuse[]  = {0.9f, 0.9f, 0.9f, 1.0f};
+       float light_position[] = {-30.0f, 50.0f, 40.0f, 1.0f};
+       glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);
+       glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);
+       glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+       glEnable(GL_COLOR_MATERIAL);
+
+       glTranslatef(-0.5, -0.5, -2);
+       glRotatef(self->rotation, 1, 1, 0);
+       glColor4f(0.9, 0.9, 0.7, 1.0);
+       glDisable(GL_CULL_FACE);
+       gdk_gl_draw_teapot(TRUE, 0.25);
+}
+
+
+/****************
+ * GObject code *
+ ****************/
+/* Plugin init */
+static void gis_plugin_teapot_plugin_init(GisPluginInterface *iface);
+G_DEFINE_TYPE_WITH_CODE(GisPluginTeapot, gis_plugin_teapot, G_TYPE_OBJECT,
+               G_IMPLEMENT_INTERFACE(GIS_TYPE_PLUGIN,
+                       gis_plugin_teapot_plugin_init));
+static void gis_plugin_teapot_plugin_init(GisPluginInterface *iface)
+{
+       g_debug("GisPluginTeapot: plugin_init");
+       /* Add methods to the interface */
+       iface->expose     = gis_plugin_teapot_expose;
+       iface->get_config = gis_plugin_teapot_get_config;
+}
+/* Class/Object init */
+static void gis_plugin_teapot_init(GisPluginTeapot *self)
+{
+       g_debug("GisPluginTeapot: init");
+       /* Set defaults */
+       self->button    = GTK_TOGGLE_BUTTON(gtk_toggle_button_new_with_label("Rotate"));
+       self->rotate_id = g_timeout_add(1000/60, rotate, self);
+       self->rotation  = 30.0;
+       self->opengl    = NULL;
+}
+static void gis_plugin_teapot_dispose(GObject *gobject)
+{
+       g_debug("GisPluginTeapot: dispose");
+       GisPluginTeapot *self = GIS_PLUGIN_TEAPOT(gobject);
+       g_source_remove(self->rotate_id);
+       /* Drop references */
+       G_OBJECT_CLASS(gis_plugin_teapot_parent_class)->dispose(gobject);
+}
+static void gis_plugin_teapot_finalize(GObject *gobject)
+{
+       g_debug("GisPluginTeapot: finalize");
+       GisPluginTeapot *self = GIS_PLUGIN_TEAPOT(gobject);
+       /* Free data */
+       G_OBJECT_CLASS(gis_plugin_teapot_parent_class)->finalize(gobject);
+
+}
+static void gis_plugin_teapot_class_init(GisPluginTeapotClass *klass)
+{
+       g_debug("GisPluginTeapot: class_init");
+       GObjectClass *gobject_class = (GObjectClass*)klass;
+       gobject_class->dispose  = gis_plugin_teapot_dispose;
+       gobject_class->finalize = gis_plugin_teapot_finalize;
+}