Esempi in C++ (Cpp) per gegl_jpg_load_buffer_import_jpg

Esempio n. 1

File: jpg-load.c Progetto: jcupitt/gegl-vips

static gboolean
gegl_jpg_load_process (GeglOperation       *operation,
                       GeglBuffer          *output,
                       const GeglRectangle *result)
{
  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
  GeglRectangle        rect={0,0};
  gint                 problem;

  problem = gegl_jpg_load_query_jpg (o->path, &rect.width, &rect.height);

  if (problem)
    {
      g_warning ("%s failed to open file %s for reading.",
        G_OBJECT_TYPE_NAME (operation), o->path);
      return FALSE;
    }


  problem = gegl_jpg_load_buffer_import_jpg (output, o->path, 0, 0);

  if (problem)
    {
      g_warning ("%s failed to open file %s for reading.",
        G_OBJECT_TYPE_NAME (operation), o->path);

      return FALSE;
    }

  return  TRUE;
}

Esempio n. 2

File: jpg-load.c Progetto: kleopatra999/gegl

static gboolean
gegl_jpg_load_process (GeglOperation       *operation,
                       GeglBuffer          *output,
                       const GeglRectangle *result,
                       gint                 level)
{
  GeglProperties *o = GEGL_PROPERTIES (operation);
  GFile *file = NULL;
  GError *err = NULL;
  gint status = -1;
  GInputStream *stream = gegl_gio_open_input_stream(o->uri, o->path, &file, &err);
  if (!stream)
    return FALSE;
  status = gegl_jpg_load_buffer_import_jpg(output, stream, 0, 0);
  g_input_stream_close(stream, NULL, NULL);

  if (err)
    {
      g_warning ("%s failed to open file %s for reading: %s",
        G_OBJECT_TYPE_NAME (operation), o->path, err->message);
      g_object_unref(stream);
      return FALSE;
    }

  g_object_unref(stream);
  return status != 1;
}

Esempio n. 3

File: jpg-load.c Progetto: ChristianBusch/gegl

static gboolean
gegl_jpg_load_process (GeglOperation       *operation,
                       GeglBuffer          *output,
                       const GeglRectangle *result,
                       gint                 level)
{
  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);

  if (gegl_jpg_load_buffer_import_jpg (output, o->path, 0, 0))
    {
      g_warning ("%s failed to open file %s for reading.",
        G_OBJECT_TYPE_NAME (operation), o->path);

      return FALSE;
    }

  return  TRUE;
}