static VALUE
rb_gimp_rgb_clamp (VALUE self)
{
GimpRGB result = rb2GimpRGB(self);
gimp_rgb_clamp(&result);
return GimpRGB2rb(&result);
}
static VALUE
rb_gimp_rgb_gamma (VALUE self,
VALUE gamma)
{
GimpRGB result = rb2GimpRGB(self);
gimp_rgb_gamma(&result, (gdouble)NUM2DBL(gamma));
return GimpRGB2rb(&result);
}
static VALUE
rb_gimp_rgba_multiply (VALUE self,
VALUE factor)
{
GimpRGB result = rb2GimpRGB(self);
gimp_rgba_multiply(&result, (gdouble)NUM2DBL(factor));
return GimpRGB2rb(&result);
}
static VALUE
rb_gimp_rgba_subtract (VALUE self,
VALUE other)
{
GimpRGB result = rb2GimpRGB(self);
gimp_rgba_subtract(&result, rb2GimpRGBPtr(other));
return GimpRGB2rb(&result);
}
static VALUE
rb_gimp_rgb_composite (VALUE self,
VALUE other,
VALUE mode)
{
GimpRGB color = rb2GimpRGB(self);
gimp_rgb_composite(&color,
rb2GimpRGBPtr(other),
(GimpRGBCompositeMode)NUM2INT(mode));
return GimpRGB2rb(&color);
}
GimpParam
rb2GimpParam (VALUE rbparam)
{
if (!rb_obj_is_kind_of(rbparam, sGimpParam))
rb_raise(rb_eTypeError, "Parameter is not a Gimp::Param");
int type = NUM2INT(rb_struct_aref(rbparam, ID2SYM(id_type)));
VALUE rbdata = rb_struct_aref(rbparam, ID2SYM(id_data));
GimpParam result;
result.type = (GimpPDBArgType)type;
switch (type)
{
case GIMP_PDB_INT32:
result.data.d_int32 = (gint32)NUM2INT(rbdata);
break;
case GIMP_PDB_INT16:
result.data.d_int16 = (gint16)NUM2INT(rbdata);
break;
case GIMP_PDB_INT8:
result.data.d_int8 = (gint8)NUM2INT(rbdata);
break;
case GIMP_PDB_FLOAT:
result.data.d_float = (gdouble)NUM2DBL(rbdata);
break;
case GIMP_PDB_STRING:
result.data.d_string = g_strdup(StringValuePtr(rbdata));
break;
case GIMP_PDB_INT32ARRAY:
result.data.d_int32array = rb2gimp_array(type, rbdata);
break;
case GIMP_PDB_INT16ARRAY:
result.data.d_int16array = rb2gimp_array(type, rbdata);
break;
case GIMP_PDB_INT8ARRAY:
result.data.d_int8array = str2gint8(rbdata);
break;
case GIMP_PDB_FLOATARRAY:
result.data.d_floatarray = rb2gimp_array(type, rbdata);
break;
case GIMP_PDB_STRINGARRAY:
result.data.d_stringarray = rb2gimp_array(type, rbdata);
break;
case GIMP_PDB_COLOR:
result.data.d_color = rb2GimpRGB(rbdata);
break;
case GIMP_PDB_DISPLAY:
result.data.d_display = (gint32)NUM2INT(rbdata);
break;
case GIMP_PDB_IMAGE:
result.data.d_image = (gint32)NUM2INT(rbdata);
break;
case GIMP_PDB_LAYER:
result.data.d_layer = (gint32)NUM2INT(rbdata);
break;
/* case GIMP_PDB_LAYER_MASK:
result.data.d_layer_mask = (gint32)NUM2INT(rbdata);
break;*/
case GIMP_PDB_CHANNEL:
result.data.d_channel = (gint32)NUM2INT(rbdata);
break;
case GIMP_PDB_DRAWABLE:
result.data.d_drawable = (gint32)NUM2INT(rbdata);
break;
case GIMP_PDB_SELECTION:
result.data.d_selection = (gint32)NUM2INT(rbdata);
break;
case GIMP_PDB_BOUNDARY:
result.data.d_boundary = (gint32)NUM2INT(rbdata);
break;
case GIMP_PDB_VECTORS:
result.data.d_vectors = (gint32)NUM2INT(rbdata);
break;
/* case GIMP_PDB_UNIT:
result.data.d_unit = (gint32)NUM2INT(rbdata);
break;*/
case GIMP_PDB_PARASITE:
result.data.d_parasite = rb2GimpParasite(rbdata);
break;
/* case GIMP_PDB_TATTOO:
result.data.d_tattoo = (gint32)NUM2INT(rbdata);
break;*/
case GIMP_PDB_STATUS:
result.data.d_status = (GimpPDBStatusType)NUM2INT(rbdata);
break;
}
return result;
}
