static GeglNode *detect (GeglOperation *operation,
gint x,
gint y)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
cairo_t *cr;
cairo_surface_t *surface;
gchar *data = " ";
gboolean result = FALSE;
surface = cairo_image_surface_create_for_data ((guchar*)data,
CAIRO_FORMAT_ARGB32,
1,1,4);
cr = cairo_create (surface);
gegl_path_cairo_play (o->d, cr);
if (!result)
{
if (o->d)
{
gdouble r,g,b,a;
gegl_color_get_rgba (o->color, &r,&g,&b,&a);
if (a * o->opacity>0.8)
result = cairo_in_fill (cr, x, y);
}
}
cairo_destroy (cr);
if (result)
return operation->node;
return NULL;
}
static gboolean
process (GeglOperation *operation,
GeglBuffer *input,
GeglBuffer *output,
const GeglRectangle *result,
gint level)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
gboolean need_fill = FALSE;
gdouble r,g,b,a;
if (input)
{
gegl_buffer_copy (input, result, output, result);
}
else
{
gegl_buffer_clear (output, result);
}
if (o->opacity > 0.0001 && o->color)
{
gegl_color_get_rgba (o->color, &r,&g,&b,&a);
a *= o->opacity;
if (a>0.001)
need_fill=TRUE;
}
if (need_fill)
{
GStaticMutex mutex = G_STATIC_MUTEX_INIT;
cairo_t *cr;
cairo_surface_t *surface;
guchar *data;
g_static_mutex_lock (&mutex);
data = (void*)gegl_buffer_linear_open (output, result, NULL, babl_format ("B'aG'aR'aA u8"));
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_ARGB32,
result->width,
result->height,
result->width * 4);
cr = cairo_create (surface);
cairo_translate (cr, -result->x, -result->y);
if (g_str_equal (o->fill_rule, "evenodd"))
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
gegl_path_cairo_play (o->d, cr);
cairo_set_source_rgba (cr, r,g,b,a);
cairo_fill (cr);
cairo_destroy (cr);
gegl_buffer_linear_close (output, data);
g_static_mutex_unlock (&mutex);
}
return TRUE;
}
GParamSpec *
gimp_param_spec_duplicate (GParamSpec *pspec)
{
GParamSpec *copy = NULL;
GParamFlags flags;
g_return_val_if_fail (pspec != NULL, NULL);
flags = pspec->flags | GIMP_CONFIG_PARAM_SERIALIZE;
if (G_IS_PARAM_SPEC_STRING (pspec))
{
GParamSpecString *spec = G_PARAM_SPEC_STRING (pspec);
if (GEGL_IS_PARAM_SPEC_FILE_PATH (pspec))
{
copy = gimp_param_spec_config_path (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
GIMP_CONFIG_PATH_FILE,
spec->default_value,
flags);
}
else
{
static GQuark multiline_quark = 0;
if (! multiline_quark)
multiline_quark = g_quark_from_static_string ("multiline");
copy = g_param_spec_string (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->default_value,
flags);
if (GEGL_IS_PARAM_SPEC_MULTILINE (pspec))
{
g_param_spec_set_qdata (copy, multiline_quark,
GINT_TO_POINTER (TRUE));
}
}
}
else if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
{
GParamSpecBoolean *spec = G_PARAM_SPEC_BOOLEAN (pspec);
copy = g_param_spec_boolean (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_ENUM (pspec))
{
GParamSpecEnum *spec = G_PARAM_SPEC_ENUM (pspec);
copy = g_param_spec_enum (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
G_TYPE_FROM_CLASS (spec->enum_class),
spec->default_value,
flags);
}
else if (GEGL_IS_PARAM_SPEC_DOUBLE (pspec))
{
GeglParamSpecDouble *gspec = GEGL_PARAM_SPEC_DOUBLE (pspec);
GParamSpecDouble *spec = G_PARAM_SPEC_DOUBLE (pspec);
copy = gegl_param_spec_double (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
gspec->ui_minimum,
gspec->ui_maximum,
gspec->ui_gamma,
flags);
}
else if (G_IS_PARAM_SPEC_DOUBLE (pspec))
{
GParamSpecDouble *spec = G_PARAM_SPEC_DOUBLE (pspec);
copy = g_param_spec_double (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_FLOAT (pspec))
{
GParamSpecFloat *spec = G_PARAM_SPEC_FLOAT (pspec);
copy = g_param_spec_float (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (GEGL_IS_PARAM_SPEC_INT (pspec))
{
GeglParamSpecInt *gspec = GEGL_PARAM_SPEC_INT (pspec);
GParamSpecInt *spec = G_PARAM_SPEC_INT (pspec);
copy = gegl_param_spec_int (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
gspec->ui_minimum,
gspec->ui_maximum,
gspec->ui_gamma,
flags);
}
else if (GEGL_IS_PARAM_SPEC_SEED (pspec))
{
copy = gegl_param_spec_seed (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
pspec->flags |
GIMP_CONFIG_PARAM_SERIALIZE);
}
else if (G_IS_PARAM_SPEC_INT (pspec))
{
GParamSpecInt *spec = G_PARAM_SPEC_INT (pspec);
copy = g_param_spec_int (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_UINT (pspec))
{
GParamSpecUInt *spec = G_PARAM_SPEC_UINT (pspec);
copy = g_param_spec_uint (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (GIMP_IS_PARAM_SPEC_RGB (pspec))
{
GValue value = G_VALUE_INIT;
GimpRGB color;
g_value_init (&value, GIMP_TYPE_RGB);
g_param_value_set_default (pspec, &value);
gimp_value_get_rgb (&value, &color);
g_value_unset (&value);
copy = gimp_param_spec_rgb (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
gimp_param_spec_rgb_has_alpha (pspec),
&color,
flags);
}
else if (GEGL_IS_PARAM_SPEC_COLOR (pspec))
{
GeglColor *gegl_color;
GimpRGB gimp_color;
gdouble r = 0.0;
gdouble g = 0.0;
gdouble b = 0.0;
gdouble a = 1.0;
GValue value = { 0, };
g_value_init (&value, GEGL_TYPE_COLOR);
g_param_value_set_default (pspec, &value);
gegl_color = g_value_get_object (&value);
if (gegl_color)
gegl_color_get_rgba (gegl_color, &r, &g, &b, &a);
gimp_rgba_set (&gimp_color, r, g, b, a);
g_value_unset (&value);
copy = gimp_param_spec_rgb (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
TRUE,
&gimp_color,
flags);
}
else if (G_IS_PARAM_SPEC_OBJECT (pspec) ||
G_IS_PARAM_SPEC_POINTER (pspec))
{
/* silently ignore object properties */
}
else
{
g_warning ("%s: not supported: %s (%s)\n", G_STRFUNC,
g_type_name (G_TYPE_FROM_INSTANCE (pspec)), pspec->name);
}
if (copy)
{
GQuark quark = g_quark_from_static_string ("gegl-property-keys");
GHashTable *keys = g_param_spec_get_qdata (pspec, quark);
if (keys)
g_param_spec_set_qdata (copy, quark, g_hash_table_ref (keys));
}
return copy;
}
