259 lines
9.9 KiB
C
259 lines
9.9 KiB
C
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/* 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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* pikaoperationfillsource.c
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* Copyright (C) 2019 Ell
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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 <cairo.h>
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#include <gegl-plugin.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "operations-types.h"
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#include "core/pikadrawable.h"
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#include "core/pikafilloptions.h"
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#include "pikaoperationfillsource.h"
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enum
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{
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PROP_0,
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PROP_OPTIONS,
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PROP_DRAWABLE,
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PROP_PATTERN_OFFSET_X,
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PROP_PATTERN_OFFSET_Y,
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};
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static void pika_operation_fill_source_dispose (GObject *object);
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static void pika_operation_fill_source_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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static void pika_operation_fill_source_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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static GeglRectangle pika_operation_fill_source_get_bounding_box (GeglOperation *operation);
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static void pika_operation_fill_source_prepare (GeglOperation *operation);
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static gboolean pika_operation_fill_source_process (GeglOperation *operation,
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GeglOperationContext *context,
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const gchar *output_pad,
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const GeglRectangle *result,
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gint level);
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G_DEFINE_TYPE (PikaOperationFillSource, pika_operation_fill_source,
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GEGL_TYPE_OPERATION_SOURCE)
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#define parent_class pika_operation_fill_source_parent_class
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static void
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pika_operation_fill_source_class_init (PikaOperationFillSourceClass *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->dispose = pika_operation_fill_source_dispose;
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object_class->set_property = pika_operation_fill_source_set_property;
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object_class->get_property = pika_operation_fill_source_get_property;
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operation_class->get_bounding_box = pika_operation_fill_source_get_bounding_box;
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operation_class->prepare = pika_operation_fill_source_prepare;
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operation_class->process = pika_operation_fill_source_process;
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operation_class->threaded = FALSE;
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operation_class->cache_policy = GEGL_CACHE_POLICY_NEVER;
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gegl_operation_class_set_keys (operation_class,
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"name", "pika:fill-source",
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"categories", "pika",
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"description", "PIKA Fill Source operation",
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NULL);
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g_object_class_install_property (object_class, PROP_OPTIONS,
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g_param_spec_object ("options",
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"Options",
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"Fill options",
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PIKA_TYPE_FILL_OPTIONS,
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_DRAWABLE,
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g_param_spec_object ("drawable",
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"Drawable",
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"Fill drawable",
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PIKA_TYPE_DRAWABLE,
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_PATTERN_OFFSET_X,
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g_param_spec_int ("pattern-offset-x",
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"Pattern X-offset",
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"Pattern X-offset",
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G_MININT, G_MAXINT, 0,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_PATTERN_OFFSET_Y,
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g_param_spec_int ("pattern-offset-y",
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"Pattern Y-offset",
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"Pattern Y-offset",
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G_MININT, G_MAXINT, 0,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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}
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static void
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pika_operation_fill_source_init (PikaOperationFillSource *self)
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{
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}
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static void
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pika_operation_fill_source_dispose (GObject *object)
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{
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PikaOperationFillSource *fill_source = PIKA_OPERATION_FILL_SOURCE (object);
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g_clear_object (&fill_source->options);
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g_clear_object (&fill_source->drawable);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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pika_operation_fill_source_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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PikaOperationFillSource *fill_source = PIKA_OPERATION_FILL_SOURCE (object);
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switch (property_id)
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{
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case PROP_OPTIONS:
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g_value_set_object (value, fill_source->options);
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break;
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case PROP_DRAWABLE:
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g_value_set_object (value, fill_source->drawable);
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break;
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case PROP_PATTERN_OFFSET_X:
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g_value_set_int (value, fill_source->pattern_offset_x);
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break;
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case PROP_PATTERN_OFFSET_Y:
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g_value_set_int (value, fill_source->pattern_offset_y);
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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_fill_source_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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PikaOperationFillSource *fill_source = PIKA_OPERATION_FILL_SOURCE (object);
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switch (property_id)
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{
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case PROP_OPTIONS:
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g_set_object (&fill_source->options, g_value_get_object (value));
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break;
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case PROP_DRAWABLE:
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g_set_object (&fill_source->drawable, g_value_get_object (value));
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break;
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case PROP_PATTERN_OFFSET_X:
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fill_source->pattern_offset_x = g_value_get_int (value);
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break;
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case PROP_PATTERN_OFFSET_Y:
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fill_source->pattern_offset_y = g_value_get_int (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 GeglRectangle
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pika_operation_fill_source_get_bounding_box (GeglOperation *operation)
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{
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return gegl_rectangle_infinite_plane ();
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}
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static void
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pika_operation_fill_source_prepare (GeglOperation *operation)
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{
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PikaOperationFillSource *fill_source = PIKA_OPERATION_FILL_SOURCE (operation);
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const Babl *format = NULL;
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if (fill_source->options && fill_source->drawable)
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{
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format = pika_fill_options_get_format (fill_source->options,
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fill_source->drawable);
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}
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gegl_operation_set_format (operation, "output", format);
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}
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static gboolean
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pika_operation_fill_source_process (GeglOperation *operation,
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GeglOperationContext *context,
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const gchar *output_pad,
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const GeglRectangle *result,
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gint level)
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{
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PikaOperationFillSource *fill_source = PIKA_OPERATION_FILL_SOURCE (operation);
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if (fill_source->options && fill_source->drawable)
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{
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GeglBuffer *buffer;
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GeglRectangle rect;
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gegl_rectangle_align_to_buffer (
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&rect, result,
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pika_drawable_get_buffer (fill_source->drawable),
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GEGL_RECTANGLE_ALIGNMENT_SUPERSET);
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buffer = pika_fill_options_create_buffer (fill_source->options,
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fill_source->drawable,
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&rect,
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fill_source->pattern_offset_x,
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fill_source->pattern_offset_y);
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gegl_operation_context_take_object (context, "output", G_OBJECT (buffer));
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}
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return TRUE;
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}
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