/* GIMP - The GNU Image Manipulation Program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * gimpoperationcurves.c * Copyright (C) 2007 Michael Natterer <mitch@gimp.org> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include "config.h" #include <cairo.h> #include <gdk-pixbuf/gdk-pixbuf.h> #include <gegl.h> #include "libgimpmath/gimpmath.h" #include "operations-types.h" #include "core/gimpcurve.h" #include "core/gimpcurve-map.h" #include "gimpcurvesconfig.h" #include "gimpoperationcurves.h" #include "gimp-intl.h" static gboolean gimp_operation_curves_process (GeglOperation *operation, void *in_buf, void *out_buf, glong samples, const GeglRectangle *roi, gint level); G_DEFINE_TYPE (GimpOperationCurves, gimp_operation_curves, GIMP_TYPE_OPERATION_POINT_FILTER) #define parent_class gimp_operation_curves_parent_class static void gimp_operation_curves_class_init (GimpOperationCurvesClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass); GeglOperationPointFilterClass *point_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass); object_class->set_property = gimp_operation_point_filter_set_property; object_class->get_property = gimp_operation_point_filter_get_property; gegl_operation_class_set_keys (operation_class, "name", "gimp:curves", "categories", "color", "description", _("Adjust color curves"), NULL); point_class->process = gimp_operation_curves_process; g_object_class_install_property (object_class, GIMP_OPERATION_POINT_FILTER_PROP_LINEAR, g_param_spec_boolean ("linear", "Linear", "Whether to operate on linear RGB", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (object_class, GIMP_OPERATION_POINT_FILTER_PROP_CONFIG, g_param_spec_object ("config", "Config", "The config object", GIMP_TYPE_CURVES_CONFIG, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); } static void gimp_operation_curves_init (GimpOperationCurves *self) { } static gboolean gimp_operation_curves_process (GeglOperation *operation, void *in_buf, void *out_buf, glong samples, const GeglRectangle *roi, gint level) { GimpOperationPointFilter *point = GIMP_OPERATION_POINT_FILTER (operation); GimpCurvesConfig *config = GIMP_CURVES_CONFIG (point->config); gfloat *src = in_buf; gfloat *dest = out_buf; if (! config) return FALSE; gimp_curve_map_pixels (config->curve[0], config->curve[1], config->curve[2], config->curve[3], config->curve[4], src, dest, samples); return TRUE; }