/* This file is an image processing operation for GEGL
* GEGL is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* GEGL 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GEGL; if not, see .
*
* Copyright 2013 Massimo Valentini
*/
#include "config.h"
#include
#ifdef GEGL_PROPERTIES
enum_start (gegl_gaussian_blur_filter2)
enum_value (GEGL_GAUSSIAN_BLUR_FILTER2_AUTO, "auto", N_("Auto"))
enum_value (GEGL_GAUSSIAN_BLUR_FILTER2_FIR, "fir", N_("FIR"))
enum_value (GEGL_GAUSSIAN_BLUR_FILTER2_IIR, "iir", N_("IIR"))
enum_end (GeglGaussianBlurFilter2)
enum_start (gegl_gaussian_blur_policy)
enum_value (GEGL_GAUSSIAN_BLUR_ABYSS_NONE, "none", N_("None"))
enum_value (GEGL_GAUSSIAN_BLUR_ABYSS_CLAMP, "clamp", N_("Clamp"))
enum_value (GEGL_GAUSSIAN_BLUR_ABYSS_BLACK, "black", N_("Black"))
enum_value (GEGL_GAUSSIAN_BLUR_ABYSS_WHITE, "white", N_("White"))
enum_end (GeglGaussianBlurPolicy)
property_double (std_dev_x, _("Size X"), 1.5)
description (_("Standard deviation for the horizontal axis"))
value_range (0.0, 1500.0)
ui_range (0.24, 100.0)
ui_gamma (3.0)
ui_meta ("unit", "pixel-distance")
ui_meta ("axis", "x")
property_double (std_dev_y, _("Size Y"), 1.5)
description (_("Standard deviation (spatial scale factor)"))
value_range (0.0, 1500.0)
ui_range (0.24, 100.0)
ui_gamma (3.0)
ui_meta ("unit", "pixel-distance")
ui_meta ("axis", "y")
property_enum (filter, _("Filter"),
GeglGaussianBlurFilter2, gegl_gaussian_blur_filter2,
GEGL_GAUSSIAN_BLUR_FILTER2_AUTO)
description (_("How the gaussian kernel is discretized"))
property_enum (abyss_policy, _("Abyss policy"), GeglGaussianBlurPolicy,
gegl_gaussian_blur_policy, GEGL_GAUSSIAN_BLUR_ABYSS_CLAMP)
description (_("How image edges are handled"))
property_boolean (clip_extent, _("Clip to the input extent"), TRUE)
description (_("Should the output extent be clipped to the input extent"))
#else
#define GEGL_OP_META
#define GEGL_OP_NAME gaussian_blur
#define GEGL_OP_C_SOURCE gaussian-blur.c
#include "gegl-op.h"
static void
attach (GeglOperation *operation)
{
GeglNode *gegl = operation->node;
GeglNode *output = gegl_node_get_output_proxy (gegl, "output");
GeglNode *vblur = gegl_node_new_child (gegl,
"operation", "gegl:gblur-1d",
"orientation", 1,
NULL);
GeglNode *hblur = gegl_node_new_child (gegl,
"operation", "gegl:gblur-1d",
"orientation", 0,
NULL);
GeglNode *input = gegl_node_get_input_proxy (gegl, "input");
gegl_node_link_many (input, hblur, vblur, output, NULL);
gegl_operation_meta_redirect (operation, "std-dev-x", hblur, "std-dev");
gegl_operation_meta_redirect (operation, "abyss-policy", hblur, "abyss-policy");
gegl_operation_meta_redirect (operation, "filter", hblur, "filter");
gegl_operation_meta_redirect (operation, "clip-extent", hblur, "clip-extent");
gegl_operation_meta_redirect (operation, "std-dev-y", vblur, "std-dev");
gegl_operation_meta_redirect (operation, "abyss-policy", vblur, "abyss-policy");
gegl_operation_meta_redirect (operation, "filter", vblur, "filter");
gegl_operation_meta_redirect (operation, "clip-extent", vblur, "clip-extent");
}
static void
gegl_op_class_init (GeglOpClass *klass)
{
GeglOperationClass *operation_class;
operation_class = GEGL_OPERATION_CLASS (klass);
operation_class->attach = attach;
operation_class->threaded = FALSE;
gegl_operation_class_set_keys (operation_class,
"name", "gegl:gaussian-blur",
"title", _("Gaussian Blur"),
"categories", "blur",
"reference-hash", "c33a8c5df033c403fceb47735cde22e3",
"reference-hashB", "116d752d36d93bc06f71b0f11c8c73b0",
"description", _("Performs an averaging of neighboring pixels with the "
"normal distribution as weighting"),
NULL);
}
#endif