147 lines
4.4 KiB
C
147 lines
4.4 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikaoperationpointfilter.c
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* Copyright (C) 2007 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include "operations-types.h"
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#include "pikaoperationpointfilter.h"
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static void pika_operation_point_filter_finalize (GObject *object);
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static void pika_operation_point_filter_prepare (GeglOperation *operation);
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G_DEFINE_ABSTRACT_TYPE (PikaOperationPointFilter, pika_operation_point_filter,
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GEGL_TYPE_OPERATION_POINT_FILTER)
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#define parent_class pika_operation_point_filter_parent_class
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static void
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pika_operation_point_filter_class_init (PikaOperationPointFilterClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
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object_class->finalize = pika_operation_point_filter_finalize;
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operation_class->prepare = pika_operation_point_filter_prepare;
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}
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static void
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pika_operation_point_filter_init (PikaOperationPointFilter *self)
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{
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}
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static void
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pika_operation_point_filter_finalize (GObject *object)
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{
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PikaOperationPointFilter *self = PIKA_OPERATION_POINT_FILTER (object);
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g_clear_object (&self->config);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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void
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pika_operation_point_filter_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaOperationPointFilter *self = PIKA_OPERATION_POINT_FILTER (object);
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switch (property_id)
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{
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case PIKA_OPERATION_POINT_FILTER_PROP_TRC:
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g_value_set_enum (value, self->trc);
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break;
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case PIKA_OPERATION_POINT_FILTER_PROP_CONFIG:
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g_value_set_object (value, self->config);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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void
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pika_operation_point_filter_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaOperationPointFilter *self = PIKA_OPERATION_POINT_FILTER (object);
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switch (property_id)
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{
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case PIKA_OPERATION_POINT_FILTER_PROP_TRC:
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self->trc = g_value_get_enum (value);
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break;
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case PIKA_OPERATION_POINT_FILTER_PROP_CONFIG:
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if (self->config)
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g_object_unref (self->config);
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self->config = g_value_dup_object (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_operation_point_filter_prepare (GeglOperation *operation)
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{
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PikaOperationPointFilter *self = PIKA_OPERATION_POINT_FILTER (operation);
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const Babl *space = gegl_operation_get_source_space (operation,
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"input");
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const Babl *format;
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switch (self->trc)
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{
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default:
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case PIKA_TRC_LINEAR:
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format = babl_format_with_space ("RGBA float", space);
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break;
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case PIKA_TRC_NON_LINEAR:
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format = babl_format_with_space ("R'G'B'A float", space);
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break;
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case PIKA_TRC_PERCEPTUAL:
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format = babl_format_with_space ("R~G~B~A float", space);
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break;
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}
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gegl_operation_set_format (operation, "input", format);
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gegl_operation_set_format (operation, "output", format);
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}
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