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;
}
static GeglRectangle
gegl_jpg_load_get_bounding_box (GeglOperation *operation)
{
gint width, height;
GeglProperties *o = GEGL_PROPERTIES (operation);
const Babl *format = NULL;
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 (GeglRectangle) {0, 0, 0, 0};
status = gegl_jpg_load_query_jpg (stream, &width, &height, &format);
g_input_stream_close(stream, NULL, NULL);
if (format)
gegl_operation_set_format (operation, "output", format);
g_object_unref(stream);
if (file) g_object_unref(file);
if (err || status)
return (GeglRectangle) {0, 0, 0, 0};
else
return (GeglRectangle) {0, 0, width, height};
}
static GeglRectangle
gegl_jpg_load_get_bounding_box (GeglOperation *operation)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
gint width, height, components;
gint status;
status = gegl_jpg_load_query_jpg (o->path, &width, &height, &components);
if (components == 1)
gegl_operation_set_format (operation, "output", babl_format ("Y' u8"));
else if (components == 3)
gegl_operation_set_format (operation, "output", babl_format ("R'G'B' u8"));
else
{
g_warning ("attempted to load unsupported JPEG (components=%d)", components);
status = -1;
}
if (status)
return (GeglRectangle) {0, 0, 0, 0};
else
return (GeglRectangle) {0, 0, width, height};
}
static GeglRectangle
gegl_jpg_load_get_bounding_box (GeglOperation *operation)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
GeglRectangle result = {0,0,0,0};
gint width, height;
gint status;
gegl_operation_set_format (operation, "output", babl_format ("R'G'B' u8"));
status = gegl_jpg_load_query_jpg (o->path, &width, &height);
if (status)
{
/*g_warning ("calc have rect of %s failed", o->path);*/
result.width = 10;
result.height = 10;
}
else
{
result.width = width;
result.height = height;
}
return result;
}
