mirror of https://github.com/GNOME/gimp.git
294 lines
9.0 KiB
C
294 lines
9.0 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 <http://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 "core-types.h"
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#include "gegl/gimp-gegl-utils.h"
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#include "gimp-memsize.h"
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#include "gimpchannel.h"
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#include "gimpmaskundo.h"
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enum
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{
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PROP_0,
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PROP_CONVERT_FORMAT
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};
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static void gimp_mask_undo_constructed (GObject *object);
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static void gimp_mask_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_mask_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_mask_undo_get_memsize (GimpObject *object,
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gint64 *gui_size);
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static void gimp_mask_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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static void gimp_mask_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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G_DEFINE_TYPE (GimpMaskUndo, gimp_mask_undo, GIMP_TYPE_ITEM_UNDO)
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#define parent_class gimp_mask_undo_parent_class
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static void
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gimp_mask_undo_class_init (GimpMaskUndoClass *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_mask_undo_constructed;
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object_class->set_property = gimp_mask_undo_set_property;
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object_class->get_property = gimp_mask_undo_get_property;
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gimp_object_class->get_memsize = gimp_mask_undo_get_memsize;
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undo_class->pop = gimp_mask_undo_pop;
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undo_class->free = gimp_mask_undo_free;
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g_object_class_install_property (object_class, PROP_CONVERT_FORMAT,
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g_param_spec_boolean ("convert-format",
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NULL, NULL,
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FALSE,
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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_mask_undo_init (GimpMaskUndo *undo)
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{
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}
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static void
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gimp_mask_undo_constructed (GObject *object)
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{
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GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (object);
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GimpItem *item;
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GimpDrawable *drawable;
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gint x, y, w, h;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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g_assert (GIMP_IS_CHANNEL (GIMP_ITEM_UNDO (object)->item));
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item = GIMP_ITEM_UNDO (object)->item;
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drawable = GIMP_DRAWABLE (item);
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if (gimp_item_bounds (item, &x, &y, &w, &h))
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{
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mask_undo->buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, w, h),
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gimp_drawable_get_format (drawable));
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gegl_buffer_copy (gimp_drawable_get_buffer (drawable),
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GEGL_RECTANGLE (x, y, w, h),
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GEGL_ABYSS_NONE,
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mask_undo->buffer,
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GEGL_RECTANGLE (0, 0, 0, 0));
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mask_undo->x = x;
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mask_undo->y = y;
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}
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mask_undo->format = gimp_drawable_get_format (drawable);
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}
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static void
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gimp_mask_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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GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (object);
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switch (property_id)
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{
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case PROP_CONVERT_FORMAT:
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mask_undo->convert_format = g_value_get_boolean (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_mask_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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GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (object);
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switch (property_id)
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{
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case PROP_CONVERT_FORMAT:
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g_value_set_boolean (value, mask_undo->convert_format);
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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_mask_undo_get_memsize (GimpObject *object,
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gint64 *gui_size)
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{
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GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (object);
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gint64 memsize = 0;
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memsize += gimp_gegl_buffer_get_memsize (mask_undo->buffer);
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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_mask_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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GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (undo);
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GimpItem *item = GIMP_ITEM_UNDO (undo)->item;
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GimpDrawable *drawable = GIMP_DRAWABLE (item);
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GimpChannel *channel = GIMP_CHANNEL (item);
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GeglBuffer *new_buffer;
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const Babl *format;
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gint x, y, w, h;
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gint width = 0;
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gint height = 0;
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GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
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if (gimp_item_bounds (item, &x, &y, &w, &h))
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{
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new_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, w, h),
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gimp_drawable_get_format (drawable));
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gegl_buffer_copy (gimp_drawable_get_buffer (drawable),
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GEGL_RECTANGLE (x, y, w, h),
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GEGL_ABYSS_NONE,
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new_buffer,
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GEGL_RECTANGLE (0, 0, 0, 0));
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gegl_buffer_clear (gimp_drawable_get_buffer (drawable),
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GEGL_RECTANGLE (x, y, w, h));
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}
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else
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{
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new_buffer = NULL;
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}
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format = gimp_drawable_get_format (drawable);
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if (mask_undo->convert_format)
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{
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GeglBuffer *buffer;
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gint width = gimp_item_get_width (item);
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gint height = gimp_item_get_height (item);
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buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
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mask_undo->format);
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gegl_buffer_clear (buffer, NULL);
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gimp_drawable_set_buffer (drawable, FALSE, NULL, buffer);
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g_object_unref (buffer);
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}
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if (mask_undo->buffer)
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{
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width = gegl_buffer_get_width (mask_undo->buffer);
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height = gegl_buffer_get_height (mask_undo->buffer);
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gegl_buffer_copy (mask_undo->buffer,
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NULL,
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GEGL_ABYSS_NONE,
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gimp_drawable_get_buffer (drawable),
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GEGL_RECTANGLE (mask_undo->x, mask_undo->y, 0, 0));
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g_object_unref (mask_undo->buffer);
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}
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/* invalidate the current bounds and boundary of the mask */
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gimp_drawable_invalidate_boundary (drawable);
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if (mask_undo->buffer)
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{
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channel->empty = FALSE;
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channel->x1 = mask_undo->x;
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channel->y1 = mask_undo->y;
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channel->x2 = mask_undo->x + width;
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channel->y2 = mask_undo->y + height;
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}
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else
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{
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channel->empty = TRUE;
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channel->x1 = 0;
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channel->y1 = 0;
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channel->x2 = gimp_item_get_width (item);
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channel->y2 = gimp_item_get_height (item);
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}
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/* we know the bounds */
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channel->bounds_known = TRUE;
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/* set the new mask undo parameters */
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mask_undo->buffer = new_buffer;
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mask_undo->x = x;
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mask_undo->y = y;
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mask_undo->format = format;
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gimp_drawable_update (drawable,
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0, 0,
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gimp_item_get_width (item),
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gimp_item_get_height (item));
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}
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static void
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gimp_mask_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode)
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{
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GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (undo);
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if (mask_undo->buffer)
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{
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g_object_unref (mask_undo->buffer);
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mask_undo->buffer = 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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