+/* vim:set shiftwidth=4 ts=8: */
+
+/**********************************************************
+* This software is part of the graphviz package *
+* http://www.graphviz.org/ *
+* *
+* Copyright (c) 1994-2004 AT&T Corp. *
+* and is licensed under the *
+* Common Public License, Version 1.0 *
+* by AT&T Corp. *
+* *
+* Information and Software Systems Research *
+* AT&T Research, Florham Park NJ *
+**********************************************************/
+
#include <stdio.h>
* The following section contains the function prototype declarations.
**************************************************************************/
-static void timeout_add (GtkWidget *widget);
-static void timeout_remove (GtkWidget *widget);
+#ifdef UNUSED
+static void timeout_add(GtkWidget * widget);
+static void timeout_remove(GtkWidget * widget);
-static void toggle_animation (GtkWidget *widget);
+static void toggle_animation(GtkWidget * widget);
-static GdkGLConfig *configure_gl (void);
+static GdkGLConfig *configure_gl(void);
-static GtkWidget *create_popup_menu (GtkWidget *drawing_area);
-static GtkWidget *create_window (GdkGLConfig *glconfig);
+static GtkWidget *create_popup_menu(GtkWidget * drawing_area);
+static GtkWidget *create_window(GdkGLConfig * glconfig);
+#endif
/**************************************************************************
*** should be performed here, such as default background colour,
*** certain states etc.
***/
-static void
-realize (GtkWidget *widget,
- gpointer data)
+#ifdef UNUSED
+static void realize(GtkWidget * widget, gpointer data)
{
- GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
+ GdkGLContext *glcontext = gtk_widget_get_gl_context(widget);
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(widget);
- g_print ("%s: \"realize\"\n", gtk_widget_get_name (widget));
+ g_print("%s: \"realize\"\n", gtk_widget_get_name(widget));
/*** OpenGL BEGIN ***/
- if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
- return;
+ if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
+ return;
/*** Fill in the details here. ***/
- gdk_gl_drawable_gl_end (gldrawable);
+ gdk_gl_drawable_gl_end(gldrawable);
/*** OpenGL END ***/
}
+#endif
+#ifdef UNUSED
/***
*** The "configure_event" signal handler. Any processing required when
*** the OpenGL-capable drawing area is re-configured should be done here.
*** the window is resized.
***/
static gboolean
-configure_event (GtkWidget *widget,
- GdkEventConfigure *event,
- gpointer data)
+configure_event(GtkWidget * widget,
+ GdkEventConfigure * event, gpointer data)
{
- GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
+ GdkGLContext *glcontext = gtk_widget_get_gl_context(widget);
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(widget);
- GLfloat w = widget->allocation.width;
- GLfloat h = widget->allocation.height;
+ GLfloat w = widget->allocation.width;
+ GLfloat h = widget->allocation.height;
- g_print ("%s: \"configure_event\"\n", gtk_widget_get_name (widget));
+ g_print("%s: \"configure_event\"\n", gtk_widget_get_name(widget));
/*** OpenGL BEGIN ***/
- if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
- return FALSE;
+ if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
+ return FALSE;
/*** Fill in the details here. ***/
- glViewport (0, 0, w, h);
+ glViewport(0, 0, w, h);
- gdk_gl_drawable_gl_end (gldrawable);
+ gdk_gl_drawable_gl_end(gldrawable);
/*** OpenGL END ***/
- return TRUE;
+ return TRUE;
}
/***
*** every time the 'expose'/'draw' event is signalled.
***/
static gboolean
-expose_event (GtkWidget *widget,
- GdkEventExpose *event,
- gpointer data)
+expose_event(GtkWidget * widget, GdkEventExpose * event, gpointer data)
{
- GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
+ GdkGLContext *glcontext = gtk_widget_get_gl_context(widget);
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(widget);
- g_print ("%s: \"expose_event\"\n", gtk_widget_get_name (widget));
+ g_print("%s: \"expose_event\"\n", gtk_widget_get_name(widget));
/*** OpenGL BEGIN ***/
- if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
- return FALSE;
+ if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
+ return FALSE;
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/*** Fill in the details here. ***/
- /* Swap buffers */
- if (gdk_gl_drawable_is_double_buffered (gldrawable))
- gdk_gl_drawable_swap_buffers (gldrawable);
- else
- glFlush ();
+ /* Swap buffers */
+ if (gdk_gl_drawable_is_double_buffered(gldrawable))
+ gdk_gl_drawable_swap_buffers(gldrawable);
+ else
+ glFlush();
- gdk_gl_drawable_gl_end (gldrawable);
+ gdk_gl_drawable_gl_end(gldrawable);
/*** OpenGL END ***/
- return TRUE;
+ return TRUE;
}
/***
*** timeout functions are suitable for continous
*** frame updates.
***/
-static gboolean
-timeout (GtkWidget *widget)
+static gboolean timeout(GtkWidget * widget)
{
- g_print (".");
+ g_print(".");
/*** Fill in the details here ***/
- /* Invalidate the whole window. */
- gdk_window_invalidate_rect (widget->window, &widget->allocation, FALSE);
+ /* Invalidate the whole window. */
+ gdk_window_invalidate_rect(widget->window, &widget->allocation, FALSE);
- /* Update synchronously. */
- gdk_window_process_updates (widget->window, FALSE);
+ /* Update synchronously. */
+ gdk_window_process_updates(widget->window, FALSE);
- return TRUE;
+ return TRUE;
}
/***
*** The "unrealize" signal handler. Any processing required when
*** the OpenGL-capable window is unrealized should be done here.
***/
-static void
-unrealize (GtkWidget *widget,
- gpointer data)
+static void unrealize(GtkWidget * widget, gpointer data)
{
- GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
+ GdkGLContext *glcontext = gtk_widget_get_gl_context(widget);
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(widget);
- g_print ("%s: \"unrealize\"\n", gtk_widget_get_name (widget));
+ g_print("%s: \"unrealize\"\n", gtk_widget_get_name(widget));
/*** OpenGL BEGIN ***/
- if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
- return;
+ if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
+ return;
/*** Fill in the details here. ***/
- gdk_gl_drawable_gl_end (gldrawable);
+ gdk_gl_drawable_gl_end(gldrawable);
/*** OpenGL END ***/
}
*** the OpenGL-capable drawing area is under drag motion should be done here.
***/
static gboolean
-motion_notify_event (GtkWidget *widget,
- GdkEventMotion *event,
- gpointer data)
+motion_notify_event(GtkWidget * widget,
+ GdkEventMotion * event, gpointer data)
{
- g_print ("%s: \"motion_notify_event\": button", gtk_widget_get_name (widget));
+ g_print("%s: \"motion_notify_event\": button",
+ gtk_widget_get_name(widget));
/*** Fill in the details here. ***/
- if (event->state & GDK_BUTTON1_MASK)
- {
- g_print (" 1");
+ if (event->state & GDK_BUTTON1_MASK) {
+ g_print(" 1");
}
- if (event->state & GDK_BUTTON2_MASK)
- {
- g_print (" 2");
+ if (event->state & GDK_BUTTON2_MASK) {
+ g_print(" 2");
}
- if (event->state & GDK_BUTTON3_MASK)
- {
- g_print (" 3");
+ if (event->state & GDK_BUTTON3_MASK) {
+ g_print(" 3");
}
- g_print ("\n");
+ g_print("\n");
- return FALSE;
+ return FALSE;
}
/***
*** capable drawing area should be done here.
***/
static gboolean
-button_press_event (GtkWidget *widget,
- GdkEventButton *event,
- gpointer data)
+button_press_event(GtkWidget * widget,
+ GdkEventButton * event, gpointer data)
{
- g_print ("%s: \"button_press_event\": ", gtk_widget_get_name (widget));
+ g_print("%s: \"button_press_event\": ", gtk_widget_get_name(widget));
- if (event->button == 1)
- {
+ if (event->button == 1) {
/*** Fill in the details here. ***/
- g_print ("button 1\n");
+ g_print("button 1\n");
- return TRUE;
+ return TRUE;
}
- if (event->button == 2)
- {
+ if (event->button == 2) {
/*** Fill in the details here. ***/
- g_print ("button 2\n");
+ g_print("button 2\n");
- return TRUE;
+ return TRUE;
}
- g_print ("\n");
+ g_print("\n");
- return FALSE;
+ return FALSE;
}
/* For popup menu. */
static gboolean
-button_press_event_popup_menu (GtkWidget *widget,
- GdkEventButton *event,
- gpointer data)
+button_press_event_popup_menu(GtkWidget * widget,
+ GdkEventButton * event, gpointer data)
{
- g_print ("%s: \"button_press_event_popup\": ", gtk_widget_get_name (widget));
+ g_print("%s: \"button_press_event_popup\": ",
+ gtk_widget_get_name(widget));
- if (event->button == 3)
- {
- g_print ("button 3\n");
+ if (event->button == 3) {
+ g_print("button 3\n");
- /* Popup menu. */
- gtk_menu_popup (GTK_MENU (widget), NULL, NULL, NULL, NULL,
- event->button, event->time);
- return TRUE;
+ /* Popup menu. */
+ gtk_menu_popup(GTK_MENU(widget), NULL, NULL, NULL, NULL,
+ event->button, event->time);
+ return TRUE;
}
- g_print ("\n");
+ g_print("\n");
- return FALSE;
+ return FALSE;
}
/***
*** presses occur should be done here.
***/
static gboolean
-key_press_event (GtkWidget *widget,
- GdkEventKey *event,
- gpointer data)
+key_press_event(GtkWidget * widget, GdkEventKey * event, gpointer data)
{
- g_print ("%s: \"key_press_event\": ", gtk_widget_get_name (widget));
+ g_print("%s: \"key_press_event\": ", gtk_widget_get_name(widget));
- switch (event->keyval)
- {
+ switch (event->keyval) {
/*** Fill in the details here. ***/
case GDK_a:
- g_print ("a key\n");
+ g_print("a key\n");
// toggle_animation (widget);
- break;
+ break;
case GDK_Escape:
- g_print ("Escape key\n");
- gtk_main_quit ();
- break;
+ g_print("Escape key\n");
+ gtk_main_quit();
+ break;
default:
- g_print("\n");
- return FALSE;
+ g_print("\n");
+ return FALSE;
}
- return TRUE;
+ return TRUE;
}
static guint timeout_id = 0;
-static void
-timeout_add (GtkWidget *widget)
+static void timeout_add(GtkWidget * widget)
{
- if (timeout_id == 0)
- {
- timeout_id = g_timeout_add (TIMEOUT_INTERVAL,
- (GSourceFunc) timeout,
- widget);
+ if (timeout_id == 0) {
+ timeout_id = g_timeout_add(TIMEOUT_INTERVAL,
+ (GSourceFunc) timeout, widget);
}
}
-static void
-timeout_remove (GtkWidget *widget)
+static void timeout_remove(GtkWidget * widget)
{
- if (timeout_id != 0)
- {
- g_source_remove (timeout_id);
- timeout_id = 0;
+ if (timeout_id != 0) {
+ g_source_remove(timeout_id);
+ timeout_id = 0;
}
}
*** OpenGL-capable drawing area is mapped should be done here.
***/
static gboolean
-map_event (GtkWidget *widget,
- GdkEvent *event,
- gpointer data)
+map_event(GtkWidget * widget, GdkEvent * event, gpointer data)
{
- g_print ("%s: \"map_event\":\n", gtk_widget_get_name (widget));
- return TRUE;
+ g_print("%s: \"map_event\":\n", gtk_widget_get_name(widget));
+ return TRUE;
}
/***
*** OpenGL-capable drawing area is unmapped should be done here.
***/
static gboolean
-unmap_event (GtkWidget *widget,
- GdkEvent *event,
- gpointer data)
+unmap_event(GtkWidget * widget, GdkEvent * event, gpointer data)
{
- g_print ("%s: \"unmap_event\":\n", gtk_widget_get_name (widget));
- timeout_remove (widget);
+ g_print("%s: \"unmap_event\":\n", gtk_widget_get_name(widget));
+ timeout_remove(widget);
- return TRUE;
+ return TRUE;
}
/***
*** done here.
***/
static gboolean
-visibility_notify_event (GtkWidget *widget,
- GdkEventVisibility *event,
- gpointer data)
+visibility_notify_event(GtkWidget * widget,
+ GdkEventVisibility * event, gpointer data)
{
- return TRUE;
+ return TRUE;
}
+#endif
/***
*** Creates the popup menu to be displayed.
***/
-static GtkWidget *
-create_popup_menu (GtkWidget *drawing_area)
+#ifdef UNUSED
+static GtkWidget *create_popup_menu(GtkWidget * drawing_area)
{
- GtkWidget *menu;
- GtkWidget *menu_item;
+ GtkWidget *menu;
+ GtkWidget *menu_item;
- menu = gtk_menu_new ();
+ menu = gtk_menu_new();
- /* Toggle animation */
- menu_item = gtk_menu_item_new_with_label ("Toggle Animation");
- gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
+ /* Toggle animation */
+ menu_item = gtk_menu_item_new_with_label("Toggle Animation");
+ gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
// g_signal_connect_swapped (G_OBJECT (menu_item), "activate",
-// G_CALLBACK (toggle_animation), drawing_area);
- gtk_widget_show (menu_item);
-
- /* Quit */
- menu_item = gtk_menu_item_new_with_label ("Quit");
- gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
- g_signal_connect (G_OBJECT (menu_item), "activate",
- G_CALLBACK (gtk_main_quit), NULL);
- gtk_widget_show (menu_item);
-
- return menu;
+// G_CALLBACK (toggle_animation), drawing_area);
+ gtk_widget_show(menu_item);
+
+ /* Quit */
+ menu_item = gtk_menu_item_new_with_label("Quit");
+ gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
+ g_signal_connect(G_OBJECT(menu_item), "activate",
+ G_CALLBACK(gtk_main_quit), NULL);
+ gtk_widget_show(menu_item);
+
+ return menu;
}
+#endif
/***
*** Creates the simple application window with one
*** drawing area that has an OpenGL-capable visual.
***/
-static GtkWidget *
-create_window (GdkGLConfig *glconfig)
+#ifdef UNUSED
+static GtkWidget *create_window(GdkGLConfig * glconfig)
{
- GtkWidget *window;
- GtkWidget *vbox;
- GtkWidget *drawing_area;
- GtkWidget *menu;
- GtkWidget *button;
+ GtkWidget *window;
+ GtkWidget *vbox;
+ GtkWidget *drawing_area;
+ GtkWidget *menu;
+ GtkWidget *button;
- /*
- * Top-level window.
- */
+ /*
+ * Top-level window.
+ */
// window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
// gtk_window_set_title (GTK_WINDOW (window), DEFAULT_TITLE);
- /* Get automatically redrawn if any of their children changed allocation. */
- gtk_container_set_reallocate_redraws (GTK_CONTAINER (window), TRUE);
+ /* Get automatically redrawn if any of their children changed allocation. */
+ gtk_container_set_reallocate_redraws(GTK_CONTAINER(window), TRUE);
- /* Connect signal handlers to the window */
- g_signal_connect (G_OBJECT (window), "delete_event",
- G_CALLBACK (gtk_main_quit), NULL);
+ /* Connect signal handlers to the window */
+ g_signal_connect(G_OBJECT(window), "delete_event",
+ G_CALLBACK(gtk_main_quit), NULL);
- /*
- * VBox.
- */
+ /*
+ * VBox.
+ */
- vbox = gtk_vbox_new (FALSE, 0);
- gtk_container_add (GTK_CONTAINER (window), vbox);
- gtk_widget_show (vbox);
+ vbox = gtk_vbox_new(FALSE, 0);
+ gtk_container_add(GTK_CONTAINER(window), vbox);
+ gtk_widget_show(vbox);
- /*
- * Drawing area to draw OpenGL scene.
- */
+ /*
+ * Drawing area to draw OpenGL scene.
+ */
- drawing_area = gtk_drawing_area_new ();
- gtk_widget_set_size_request (drawing_area, DEFAULT_WIDTH, DEFAULT_HEIGHT);
+ drawing_area = gtk_drawing_area_new();
+ gtk_widget_set_size_request(drawing_area, DEFAULT_WIDTH,
+ DEFAULT_HEIGHT);
- /* Set OpenGL-capability to the widget */
- gtk_widget_set_gl_capability (drawing_area,
- glconfig,
- NULL,
- TRUE,
- GDK_GL_RGBA_TYPE);
+ /* Set OpenGL-capability to the widget */
+ gtk_widget_set_gl_capability(drawing_area,
+ glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE);
- gtk_widget_add_events (drawing_area,
- GDK_BUTTON1_MOTION_MASK |
- GDK_BUTTON2_MOTION_MASK |
- GDK_BUTTON_PRESS_MASK |
- GDK_VISIBILITY_NOTIFY_MASK);
+ gtk_widget_add_events(drawing_area,
+ GDK_BUTTON1_MOTION_MASK |
+ GDK_BUTTON2_MOTION_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_VISIBILITY_NOTIFY_MASK);
- /* Connect signal handlers to the drawing area */
- g_signal_connect_after (G_OBJECT (drawing_area), "realize",
- G_CALLBACK (realize), NULL);
- g_signal_connect (G_OBJECT (drawing_area), "configure_event",
- G_CALLBACK (configure_event), NULL);
- g_signal_connect (G_OBJECT (drawing_area), "expose_event",
- G_CALLBACK (expose_event), NULL);
- g_signal_connect (G_OBJECT (drawing_area), "unrealize",
- G_CALLBACK (unrealize), NULL);
+ /* Connect signal handlers to the drawing area */
+ g_signal_connect_after(G_OBJECT(drawing_area), "realize",
+ G_CALLBACK(realize), NULL);
+ g_signal_connect(G_OBJECT(drawing_area), "configure_event",
+ G_CALLBACK(configure_event), NULL);
+ g_signal_connect(G_OBJECT(drawing_area), "expose_event",
+ G_CALLBACK(expose_event), NULL);
+ g_signal_connect(G_OBJECT(drawing_area), "unrealize",
+ G_CALLBACK(unrealize), NULL);
- g_signal_connect (G_OBJECT (drawing_area), "motion_notify_event",
- G_CALLBACK (motion_notify_event), NULL);
- g_signal_connect (G_OBJECT (drawing_area), "button_press_event",
- G_CALLBACK (button_press_event), NULL);
+ g_signal_connect(G_OBJECT(drawing_area), "motion_notify_event",
+ G_CALLBACK(motion_notify_event), NULL);
+ g_signal_connect(G_OBJECT(drawing_area), "button_press_event",
+ G_CALLBACK(button_press_event), NULL);
- /* key_press_event handler for top-level window */
- g_signal_connect_swapped (G_OBJECT (window), "key_press_event",
- G_CALLBACK (key_press_event), drawing_area);
+ /* key_press_event handler for top-level window */
+ g_signal_connect_swapped(G_OBJECT(window), "key_press_event",
+ G_CALLBACK(key_press_event), drawing_area);
- /* For timeout function. */
- g_signal_connect (G_OBJECT (drawing_area), "map_event",
- G_CALLBACK (map_event), NULL);
- g_signal_connect (G_OBJECT (drawing_area), "unmap_event",
- G_CALLBACK (unmap_event), NULL);
- g_signal_connect (G_OBJECT (drawing_area), "visibility_notify_event",
- G_CALLBACK (visibility_notify_event), NULL);
+ /* For timeout function. */
+ g_signal_connect(G_OBJECT(drawing_area), "map_event",
+ G_CALLBACK(map_event), NULL);
+ g_signal_connect(G_OBJECT(drawing_area), "unmap_event",
+ G_CALLBACK(unmap_event), NULL);
+ g_signal_connect(G_OBJECT(drawing_area), "visibility_notify_event",
+ G_CALLBACK(visibility_notify_event), NULL);
- gtk_box_pack_start (GTK_BOX (vbox), drawing_area, TRUE, TRUE, 0);
+ gtk_box_pack_start(GTK_BOX(vbox), drawing_area, TRUE, TRUE, 0);
- gtk_widget_show (drawing_area);
+ gtk_widget_show(drawing_area);
- /*
- * Popup menu.
- */
+ /*
+ * Popup menu.
+ */
- menu = create_popup_menu (drawing_area);
+ menu = create_popup_menu(drawing_area);
- g_signal_connect_swapped (G_OBJECT (drawing_area), "button_press_event",
- G_CALLBACK (button_press_event_popup_menu), menu);
+ g_signal_connect_swapped(G_OBJECT(drawing_area), "button_press_event",
+ G_CALLBACK(button_press_event_popup_menu),
+ menu);
- /*
- * Simple quit button.
- */
+ /*
+ * Simple quit button.
+ */
- button = gtk_button_new_with_label ("Quit");
+ button = gtk_button_new_with_label("Quit");
- g_signal_connect (G_OBJECT (button), "clicked",
- G_CALLBACK (gtk_main_quit), NULL);
+ g_signal_connect(G_OBJECT(button), "clicked",
+ G_CALLBACK(gtk_main_quit), NULL);
- gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+ gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
- gtk_widget_show (button);
+ gtk_widget_show(button);
- return window;
+ return window;
}
+#endif
/**************************************************************************
/***
*** Configure the OpenGL framebuffer.
***/
-static GdkGLConfig *
-configure_gl (void)
+#ifdef UNUSED
+static GdkGLConfig *configure_gl(void)
{
- GdkGLConfig *glconfig;
-
- /* Try double-buffered visual */
- glconfig = gdk_gl_config_new_by_mode (GDK_GL_MODE_RGB |
- GDK_GL_MODE_DEPTH |
- GDK_GL_MODE_DOUBLE);
- if (glconfig == NULL)
- {
- g_print ("\n*** Cannot find the double-buffered visual.\n");
- g_print ("\n*** Trying single-buffered visual.\n");
-
- /* Try single-buffered visual */
- glconfig = gdk_gl_config_new_by_mode (GDK_GL_MODE_RGB |
- GDK_GL_MODE_DEPTH);
- if (glconfig == NULL)
- {
- g_print ("*** No appropriate OpenGL-capable visual found.\n");
- exit (1);
+ GdkGLConfig *glconfig;
+
+ /* Try double-buffered visual */
+ glconfig = gdk_gl_config_new_by_mode(GDK_GL_MODE_RGB |
+ GDK_GL_MODE_DEPTH |
+ GDK_GL_MODE_DOUBLE);
+ if (glconfig == NULL) {
+ g_print("\n*** Cannot find the double-buffered visual.\n");
+ g_print("\n*** Trying single-buffered visual.\n");
+
+ /* Try single-buffered visual */
+ glconfig = gdk_gl_config_new_by_mode(GDK_GL_MODE_RGB |
+ GDK_GL_MODE_DEPTH);
+ if (glconfig == NULL) {
+ g_print("*** No appropriate OpenGL-capable visual found.\n");
+ exit(1);
}
}
- return glconfig;
+ return glconfig;
}
+#endif
projects / graphviz / commitdiff