d593cb3230
Share the whole rasterize logic of the text, link and vector layer into an interface. I didn't write it as an abstract parent class, because we might have more rasterizable items in the future, which may not be layers (e.g. there were discussions of vector masks).
286 lines
8.7 KiB
C
286 lines
8.7 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpconfig/gimpconfig.h"
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#include "text-types.h"
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#include "gegl/gimp-babl.h"
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#include "core/gimp-memsize.h"
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#include "core/gimpitem.h"
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#include "core/gimpitemundo.h"
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#include "gimptext.h"
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#include "gimptextlayer.h"
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#include "gimptextundo.h"
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enum
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{
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PROP_0,
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PROP_PARAM
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};
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static void gimp_text_undo_constructed (GObject *object);
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static void gimp_text_undo_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 void gimp_text_undo_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 gint64 gimp_text_undo_get_memsize (GimpObject *object,
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gint64 *gui_size);
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static void gimp_text_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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static void gimp_text_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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G_DEFINE_TYPE (GimpTextUndo, gimp_text_undo, GIMP_TYPE_ITEM_UNDO)
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#define parent_class gimp_text_undo_parent_class
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static void
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gimp_text_undo_class_init (GimpTextUndoClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
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GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
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object_class->constructed = gimp_text_undo_constructed;
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object_class->set_property = gimp_text_undo_set_property;
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object_class->get_property = gimp_text_undo_get_property;
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gimp_object_class->get_memsize = gimp_text_undo_get_memsize;
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undo_class->pop = gimp_text_undo_pop;
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undo_class->free = gimp_text_undo_free;
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g_object_class_install_property (object_class, PROP_PARAM,
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g_param_spec_param ("param", NULL, NULL,
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G_TYPE_PARAM,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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gimp_text_undo_init (GimpTextUndo *undo)
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{
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}
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static void
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gimp_text_undo_constructed (GObject *object)
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{
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GimpTextUndo *text_undo = GIMP_TEXT_UNDO (object);
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GimpTextLayer *layer;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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gimp_assert (GIMP_IS_TEXT_LAYER (GIMP_ITEM_UNDO (text_undo)->item));
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layer = GIMP_TEXT_LAYER (GIMP_ITEM_UNDO (text_undo)->item);
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switch (GIMP_UNDO (object)->undo_type)
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{
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case GIMP_UNDO_TEXT_LAYER:
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if (text_undo->pspec)
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{
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gimp_assert (text_undo->pspec->owner_type == GIMP_TYPE_TEXT);
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text_undo->value = g_slice_new0 (GValue);
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g_value_init (text_undo->value, text_undo->pspec->value_type);
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g_object_get_property (G_OBJECT (layer->text),
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text_undo->pspec->name, text_undo->value);
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}
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else if (layer->text)
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{
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text_undo->text = gimp_config_duplicate (GIMP_CONFIG (layer->text));
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}
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break;
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case GIMP_UNDO_TEXT_LAYER_CONVERT:
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text_undo->format = gimp_drawable_get_format (GIMP_DRAWABLE (layer));
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break;
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default:
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gimp_assert_not_reached ();
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}
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}
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static void
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gimp_text_undo_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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GimpTextUndo *text_undo = GIMP_TEXT_UNDO (object);
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switch (property_id)
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{
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case PROP_PARAM:
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text_undo->pspec = g_value_get_param (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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gimp_text_undo_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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GimpTextUndo *text_undo = GIMP_TEXT_UNDO (object);
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switch (property_id)
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{
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case PROP_PARAM:
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g_value_set_param (value, (GParamSpec *) text_undo->pspec);
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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 gint64
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gimp_text_undo_get_memsize (GimpObject *object,
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gint64 *gui_size)
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{
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GimpTextUndo *undo = GIMP_TEXT_UNDO (object);
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gint64 memsize = 0;
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memsize += gimp_g_value_get_memsize (undo->value);
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memsize += gimp_object_get_memsize (GIMP_OBJECT (undo->text), NULL);
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return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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static void
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gimp_text_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum)
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{
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GimpTextUndo *text_undo = GIMP_TEXT_UNDO (undo);
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GimpTextLayer *layer = GIMP_TEXT_LAYER (GIMP_ITEM_UNDO (undo)->item);
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GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
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switch (undo->undo_type)
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{
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case GIMP_UNDO_TEXT_LAYER:
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if (text_undo->pspec)
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{
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GValue *value;
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g_return_if_fail (layer->text != NULL);
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value = g_slice_new0 (GValue);
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g_value_init (value, text_undo->pspec->value_type);
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g_object_get_property (G_OBJECT (layer->text),
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text_undo->pspec->name, value);
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g_object_set_property (G_OBJECT (layer->text),
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text_undo->pspec->name, text_undo->value);
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g_value_unset (text_undo->value);
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g_slice_free (GValue, text_undo->value);
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text_undo->value = value;
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}
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else
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{
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GimpText *text;
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text = (layer->text ?
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gimp_config_duplicate (GIMP_CONFIG (layer->text)) : NULL);
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if (layer->text && text_undo->text)
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gimp_config_sync (G_OBJECT (text_undo->text),
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G_OBJECT (layer->text), 0);
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else
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gimp_text_layer_set_text (layer, text_undo->text);
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if (text_undo->text)
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g_object_unref (text_undo->text);
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text_undo->text = text;
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}
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break;
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case GIMP_UNDO_TEXT_LAYER_CONVERT:
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{
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const Babl *format;
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format = gimp_drawable_get_format (GIMP_DRAWABLE (layer));
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gimp_drawable_convert_type (GIMP_DRAWABLE (layer),
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gimp_item_get_image (GIMP_ITEM (layer)),
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gimp_babl_format_get_base_type (text_undo->format),
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gimp_babl_format_get_precision (text_undo->format),
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babl_format_has_alpha (text_undo->format),
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NULL, NULL,
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GEGL_DITHER_NONE, GEGL_DITHER_NONE,
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FALSE, NULL);
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text_undo->format = format;
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}
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break;
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default:
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gimp_assert_not_reached ();
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}
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}
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static void
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gimp_text_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode)
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{
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GimpTextUndo *text_undo = GIMP_TEXT_UNDO (undo);
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g_clear_object (&text_undo->text);
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if (text_undo->pspec)
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{
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g_value_unset (text_undo->value);
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g_slice_free (GValue, text_undo->value);
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text_undo->value = NULL;
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text_undo->pspec = NULL;
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}
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GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
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}
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