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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
commit | 3c57dd931145d43f2b0aef96c4d178135956bf91 (patch) | |
tree | 3de698981e9f0cc2c4f9569b19a5f3595e741f6b /app/text/gimptextundo.c | |
parent | Initial commit. (diff) | |
download | gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip |
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/text/gimptextundo.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/app/text/gimptextundo.c b/app/text/gimptextundo.c new file mode 100644 index 0000000..8d1a74b --- /dev/null +++ b/app/text/gimptextundo.c @@ -0,0 +1,307 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * 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 <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "libgimpconfig/gimpconfig.h" + +#include "text-types.h" + +#include "gegl/gimp-babl.h" + +#include "core/gimp-memsize.h" +#include "core/gimpitem.h" +#include "core/gimpitemundo.h" + +#include "gimptext.h" +#include "gimptextlayer.h" +#include "gimptextundo.h" + + +enum +{ + PROP_0, + PROP_PARAM +}; + + +static void gimp_text_undo_constructed (GObject *object); +static void gimp_text_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_text_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static gint64 gimp_text_undo_get_memsize (GimpObject *object, + gint64 *gui_size); + +static void gimp_text_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum); +static void gimp_text_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode); + + +G_DEFINE_TYPE (GimpTextUndo, gimp_text_undo, GIMP_TYPE_ITEM_UNDO) + +#define parent_class gimp_text_undo_parent_class + + +static void +gimp_text_undo_class_init (GimpTextUndoClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass); + GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass); + + object_class->constructed = gimp_text_undo_constructed; + object_class->set_property = gimp_text_undo_set_property; + object_class->get_property = gimp_text_undo_get_property; + + gimp_object_class->get_memsize = gimp_text_undo_get_memsize; + + undo_class->pop = gimp_text_undo_pop; + undo_class->free = gimp_text_undo_free; + + g_object_class_install_property (object_class, PROP_PARAM, + g_param_spec_param ("param", NULL, NULL, + G_TYPE_PARAM, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +static void +gimp_text_undo_init (GimpTextUndo *undo) +{ +} + +static void +gimp_text_undo_constructed (GObject *object) +{ + GimpTextUndo *text_undo = GIMP_TEXT_UNDO (object); + GimpTextLayer *layer; + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_TEXT_LAYER (GIMP_ITEM_UNDO (text_undo)->item)); + + layer = GIMP_TEXT_LAYER (GIMP_ITEM_UNDO (text_undo)->item); + + switch (GIMP_UNDO (object)->undo_type) + { + case GIMP_UNDO_TEXT_LAYER: + if (text_undo->pspec) + { + gimp_assert (text_undo->pspec->owner_type == GIMP_TYPE_TEXT); + + text_undo->value = g_slice_new0 (GValue); + + g_value_init (text_undo->value, text_undo->pspec->value_type); + g_object_get_property (G_OBJECT (layer->text), + text_undo->pspec->name, text_undo->value); + } + else if (layer->text) + { + text_undo->text = gimp_config_duplicate (GIMP_CONFIG (layer->text)); + } + break; + + case GIMP_UNDO_TEXT_LAYER_MODIFIED: + text_undo->modified = layer->modified; + break; + + case GIMP_UNDO_TEXT_LAYER_CONVERT: + text_undo->format = gimp_drawable_get_format (GIMP_DRAWABLE (layer)); + break; + + default: + gimp_assert_not_reached (); + } +} + +static void +gimp_text_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpTextUndo *text_undo = GIMP_TEXT_UNDO (object); + + switch (property_id) + { + case PROP_PARAM: + text_undo->pspec = g_value_get_param (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_text_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpTextUndo *text_undo = GIMP_TEXT_UNDO (object); + + switch (property_id) + { + case PROP_PARAM: + g_value_set_param (value, (GParamSpec *) text_undo->pspec); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static gint64 +gimp_text_undo_get_memsize (GimpObject *object, + gint64 *gui_size) +{ + GimpTextUndo *undo = GIMP_TEXT_UNDO (object); + gint64 memsize = 0; + + memsize += gimp_g_value_get_memsize (undo->value); + memsize += gimp_object_get_memsize (GIMP_OBJECT (undo->text), NULL); + + return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object, + gui_size); +} + +static void +gimp_text_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum) +{ + GimpTextUndo *text_undo = GIMP_TEXT_UNDO (undo); + GimpTextLayer *layer = GIMP_TEXT_LAYER (GIMP_ITEM_UNDO (undo)->item); + + GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum); + + switch (undo->undo_type) + { + case GIMP_UNDO_TEXT_LAYER: + if (text_undo->pspec) + { + GValue *value; + + g_return_if_fail (layer->text != NULL); + + value = g_slice_new0 (GValue); + g_value_init (value, text_undo->pspec->value_type); + + g_object_get_property (G_OBJECT (layer->text), + text_undo->pspec->name, value); + + g_object_set_property (G_OBJECT (layer->text), + text_undo->pspec->name, text_undo->value); + + g_value_unset (text_undo->value); + g_slice_free (GValue, text_undo->value); + + text_undo->value = value; + } + else + { + GimpText *text; + + text = (layer->text ? + gimp_config_duplicate (GIMP_CONFIG (layer->text)) : NULL); + + if (layer->text && text_undo->text) + gimp_config_sync (G_OBJECT (text_undo->text), + G_OBJECT (layer->text), 0); + else + gimp_text_layer_set_text (layer, text_undo->text); + + if (text_undo->text) + g_object_unref (text_undo->text); + + text_undo->text = text; + } + break; + + case GIMP_UNDO_TEXT_LAYER_MODIFIED: + { + gboolean modified; + +#if 0 + g_print ("setting layer->modified from %s to %s\n", + layer->modified ? "TRUE" : "FALSE", + text_undo->modified ? "TRUE" : "FALSE"); +#endif + + modified = layer->modified; + g_object_set (layer, "modified", text_undo->modified, NULL); + text_undo->modified = modified; + + gimp_viewable_invalidate_preview (GIMP_VIEWABLE (layer)); + } + break; + + case GIMP_UNDO_TEXT_LAYER_CONVERT: + { + const Babl *format; + + format = gimp_drawable_get_format (GIMP_DRAWABLE (layer)); + gimp_drawable_convert_type (GIMP_DRAWABLE (layer), + gimp_item_get_image (GIMP_ITEM (layer)), + gimp_babl_format_get_base_type (text_undo->format), + gimp_babl_format_get_precision (text_undo->format), + babl_format_has_alpha (text_undo->format), + NULL, + GEGL_DITHER_NONE, GEGL_DITHER_NONE, + FALSE, NULL); + text_undo->format = format; + } + break; + + default: + gimp_assert_not_reached (); + } +} + +static void +gimp_text_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode) +{ + GimpTextUndo *text_undo = GIMP_TEXT_UNDO (undo); + + g_clear_object (&text_undo->text); + + if (text_undo->pspec) + { + g_value_unset (text_undo->value); + g_slice_free (GValue, text_undo->value); + + text_undo->value = NULL; + text_undo->pspec = NULL; + } + + GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode); +} |