Move into pango-view/

2007-01-16  Behdad Esfahbod  <behdad@gnome.org>

        * examples/pango-view.c:
        * examples/pangocairo-view.c:
        * examples/pangoft2-view.c:
        * examples/pangox-view.c:
        * examples/pangoxft-view.c:
        * examples/renderdemo.c:
        * examples/renderdemo.h:
        * examples/test-arabic.txt:
        * examples/test-chinese.txt:
        * examples/test-devanagari.txt:
        * examples/test-gurmukhi.txt:
        * examples/test-hebrew.txt:
        * examples/test-ipa.txt:
        * examples/test-lao.txt:
        * examples/test-latin.txt:
        * examples/test-mixed.txt:
        * examples/test-syriac.txt:
        * examples/test-tamil.txt:
        * examples/test-thai.txt:
        * examples/test-tibetan.txt:
        * examples/viewer-cairo.c:
        * examples/viewer-cairo.h:
        * examples/viewer-main.c:
        * examples/viewer-pangocairo.c:
        * examples/viewer-pangoft2.c:
        * examples/viewer-pangox.c:
        * examples/viewer-pangoxft.c:
        * examples/viewer-win32.c:
        * examples/viewer-x.c:
        * examples/viewer-x.h:
        * examples/viewer.h:
        Move into pango-view/

        * Makefile.am:
        * configure.in:
        * examples/Makefile.am:
        * pango-view/Makefile.am:
        Update.


svn path=/trunk/; revision=2152

1 files changed, 162 insertions, 0 deletions

diff --git a/pango-view/viewer-main.c b/pango-view/viewer-main.c
new file mode 100644
index 00000000..9dc7cc88
--- /dev/null
+++ b/pango-view/viewer-main.c
@@ -0,0 +1,162 @@
+/* viewer-main.c: Main routine for viewers
+ *
+ * Copyright (C) 1999,2004,2005 Red Hat, Inc.
+ * Copyright (C) 2001 Sun Microsystems
+ * Copyright (C) 2006 Behdad Esfahbod
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#include <config.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <locale.h>
+
+#include <glib.h>
+#include <glib/gstdio.h>
+
+#ifdef G_OS_UNIX
+#include <sys/wait.h>
+#endif
+
+#include "viewer.h"
+#include "renderdemo.h"
+
+int
+main (int    argc,
+      char **argv)
+{
+  const PangoViewer *view;
+  gpointer instance;
+  PangoContext *context;
+  int run;
+  int width, height;
+  gpointer surface;
+  
+  g_type_init();
+  setlocale (LC_ALL, "");
+  parse_options (argc, argv);
+  
+  view = opt_viewer;
+
+  g_assert (view->id);
+
+  instance = view->create (view);
+  context = view->get_context (instance);
+  do_output (context, NULL, NULL, NULL, NULL, &width, &height);
+  surface = view->create_surface (instance, width, height);
+  for (run = 0; run < MAX(1,opt_runs); run++)
+    view->render (instance, surface, context, width, height, NULL);
+
+  if (opt_output)
+    {
+      if (!view->write)
+	fail ("%s viewer backend does not support writing", view->name);
+      else
+	{
+	  FILE *stream;
+
+	  if (view->write_suffix && g_str_has_suffix (opt_output, view->write_suffix))
+	    {
+	      stream = g_fopen (opt_output, "wb");
+	      if (!stream)
+		fail ("Cannot open output file %s: %s\n",
+		      opt_output, g_strerror (errno));
+	    }
+	  else
+	    {
+	      int fd;
+	      const gchar *convert_argv[4] = {"convert", "-", "%s"};
+	      GError *error;
+
+	      convert_argv[2] = opt_output;
+	      
+	      if (!g_spawn_async_with_pipes (NULL, (gchar **)convert_argv, NULL,
+					     G_SPAWN_SEARCH_PATH |
+					     G_SPAWN_STDOUT_TO_DEV_NULL |
+					     G_SPAWN_STDERR_TO_DEV_NULL,
+					     NULL, NULL, NULL, &fd, NULL, NULL, &error))
+		fail ("When running ImageMagick 'convert' command: %s\n", error->message);
+	      stream = fdopen (fd, "wb");
+	    }
+	  view->write (instance, surface, stream, width, height);
+	  fclose (stream);
+	}
+    }
+
+  if (opt_display)
+    {
+      char *title;
+      title = get_options_string ();
+
+      if (view->display)
+        {
+	  gpointer window = NULL;
+	  gpointer state = NULL;
+
+	  if (view->create_window)
+	    window = view->create_window (instance, title, width, height);
+
+	  while (1)
+	    {
+	      state = view->display (instance, surface, window, width, height, state);
+	      if (!state)
+		break;
+
+	      view->render (instance, surface, context, width, height, state);
+	    }
+
+	  if (view->destroy_window)
+	    view->destroy_window (instance, window);
+	}
+      else
+        {
+	  int fd;
+	  FILE *stream;
+	  const gchar *display_argv[5] = {"display", "-title", "%s", "-"};
+	  GError *error = NULL;
+	  GPid pid;
+
+	  if (!view->write)
+	    fail ("%s viewer backend does not support displaying or writing", view->name);
+	  display_argv[2] = title;
+	  
+	  if (!g_spawn_async_with_pipes (NULL, (gchar **)display_argv, NULL,
+					 G_SPAWN_DO_NOT_REAP_CHILD |
+					 G_SPAWN_SEARCH_PATH |
+					 G_SPAWN_STDOUT_TO_DEV_NULL |
+					 G_SPAWN_STDERR_TO_DEV_NULL,
+					 NULL, NULL, &pid, &fd, NULL, NULL, &error))
+	    fail ("When running ImageMagick 'display' command: %s\n", error->message);
+	  stream = fdopen (fd, "wb");
+	  view->write (instance, surface, stream, width, height);
+	  fclose (stream);
+#ifdef G_OS_UNIX
+	  waitpid (pid, NULL, 0);
+#endif
+	  g_spawn_close_pid (pid);
+	}
+
+      g_free (title);
+    }
+
+  view->destroy_surface (instance, surface);
+  g_object_unref (context);
+  view->destroy (instance);
+  finalize ();
+  return 0;
+}