From e42129241681dde7adae7d20697e7b421682fbb4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:23:22 +0200 Subject: Adding upstream version 2.10.22. Signed-off-by: Daniel Baumann --- app/core/gimpmaskundo.c | 292 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 292 insertions(+) create mode 100644 app/core/gimpmaskundo.c (limited to 'app/core/gimpmaskundo.c') diff --git a/app/core/gimpmaskundo.c b/app/core/gimpmaskundo.c new file mode 100644 index 0000000..d388ee5 --- /dev/null +++ b/app/core/gimpmaskundo.c @@ -0,0 +1,292 @@ +/* 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 . + */ + +#include "config.h" + +#include +#include + +#include "core-types.h" + +#include "gegl/gimp-gegl-loops.h" + +#include "gimp-memsize.h" +#include "gimpchannel.h" +#include "gimpmaskundo.h" + + +enum +{ + PROP_0, + PROP_CONVERT_FORMAT +}; + + +static void gimp_mask_undo_constructed (GObject *object); +static void gimp_mask_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_mask_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static gint64 gimp_mask_undo_get_memsize (GimpObject *object, + gint64 *gui_size); + +static void gimp_mask_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum); +static void gimp_mask_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode); + + +G_DEFINE_TYPE (GimpMaskUndo, gimp_mask_undo, GIMP_TYPE_ITEM_UNDO) + +#define parent_class gimp_mask_undo_parent_class + + +static void +gimp_mask_undo_class_init (GimpMaskUndoClass *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_mask_undo_constructed; + object_class->set_property = gimp_mask_undo_set_property; + object_class->get_property = gimp_mask_undo_get_property; + + gimp_object_class->get_memsize = gimp_mask_undo_get_memsize; + + undo_class->pop = gimp_mask_undo_pop; + undo_class->free = gimp_mask_undo_free; + + g_object_class_install_property (object_class, PROP_CONVERT_FORMAT, + g_param_spec_boolean ("convert-format", + NULL, NULL, + FALSE, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +static void +gimp_mask_undo_init (GimpMaskUndo *undo) +{ +} + +static void +gimp_mask_undo_constructed (GObject *object) +{ + GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (object); + GimpItem *item; + GimpDrawable *drawable; + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_CHANNEL (GIMP_ITEM_UNDO (object)->item)); + + item = GIMP_ITEM_UNDO (object)->item; + drawable = GIMP_DRAWABLE (item); + + mask_undo->format = gimp_drawable_get_format (drawable); + + if (gimp_item_bounds (item, + &mask_undo->bounds.x, + &mask_undo->bounds.y, + &mask_undo->bounds.width, + &mask_undo->bounds.height)) + { + GeglBuffer *buffer = gimp_drawable_get_buffer (drawable); + GeglRectangle rect; + + gegl_rectangle_align_to_buffer (&rect, &mask_undo->bounds, buffer, + GEGL_RECTANGLE_ALIGNMENT_SUPERSET); + + mask_undo->buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, + rect.width, + rect.height), + mask_undo->format); + + gimp_gegl_buffer_copy (buffer, &rect, GEGL_ABYSS_NONE, + mask_undo->buffer, GEGL_RECTANGLE (0, 0, 0, 0)); + + mask_undo->x = rect.x; + mask_undo->y = rect.y; + } +} + +static void +gimp_mask_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (object); + + switch (property_id) + { + case PROP_CONVERT_FORMAT: + mask_undo->convert_format = g_value_get_boolean (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_mask_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (object); + + switch (property_id) + { + case PROP_CONVERT_FORMAT: + g_value_set_boolean (value, mask_undo->convert_format); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static gint64 +gimp_mask_undo_get_memsize (GimpObject *object, + gint64 *gui_size) +{ + GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (object); + gint64 memsize = 0; + + memsize += gimp_gegl_buffer_get_memsize (mask_undo->buffer); + + return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object, + gui_size); +} + +static void +gimp_mask_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum) +{ + GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (undo); + GimpItem *item = GIMP_ITEM_UNDO (undo)->item; + GimpDrawable *drawable = GIMP_DRAWABLE (item); + GimpChannel *channel = GIMP_CHANNEL (item); + GeglBuffer *new_buffer = NULL; + GeglRectangle bounds = {}; + GeglRectangle rect = {}; + const Babl *format; + + GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum); + + format = gimp_drawable_get_format (drawable); + + if (gimp_item_bounds (item, + &bounds.x, + &bounds.y, + &bounds.width, + &bounds.height)) + { + GeglBuffer *buffer = gimp_drawable_get_buffer (drawable); + + gegl_rectangle_align_to_buffer (&rect, &bounds, buffer, + GEGL_RECTANGLE_ALIGNMENT_SUPERSET); + + new_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, + rect.width, rect.height), + format); + + gimp_gegl_buffer_copy (buffer, &rect, GEGL_ABYSS_NONE, + new_buffer, GEGL_RECTANGLE (0, 0, 0, 0)); + + gegl_buffer_clear (buffer, &rect); + } + + if (mask_undo->convert_format) + { + GeglBuffer *buffer; + gint width = gimp_item_get_width (item); + gint height = gimp_item_get_height (item); + + buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height), + mask_undo->format); + + gimp_drawable_set_buffer (drawable, FALSE, NULL, buffer); + g_object_unref (buffer); + } + + if (mask_undo->buffer) + { + gimp_gegl_buffer_copy (mask_undo->buffer, + NULL, + GEGL_ABYSS_NONE, + gimp_drawable_get_buffer (drawable), + GEGL_RECTANGLE (mask_undo->x, mask_undo->y, 0, 0)); + + g_object_unref (mask_undo->buffer); + } + + /* invalidate the current bounds and boundary of the mask */ + gimp_drawable_invalidate_boundary (drawable); + + if (mask_undo->buffer) + { + channel->empty = FALSE; + channel->x1 = mask_undo->bounds.x; + channel->y1 = mask_undo->bounds.y; + channel->x2 = mask_undo->bounds.x + mask_undo->bounds.width; + channel->y2 = mask_undo->bounds.y + mask_undo->bounds.height; + } + else + { + channel->empty = TRUE; + channel->x1 = 0; + channel->y1 = 0; + channel->x2 = gimp_item_get_width (item); + channel->y2 = gimp_item_get_height (item); + } + + /* we know the bounds */ + channel->bounds_known = TRUE; + + /* set the new mask undo parameters */ + mask_undo->format = format; + mask_undo->buffer = new_buffer; + mask_undo->bounds = bounds; + mask_undo->x = rect.x; + mask_undo->y = rect.y; + + gimp_drawable_update (drawable, 0, 0, -1, -1); +} + +static void +gimp_mask_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode) +{ + GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (undo); + + g_clear_object (&mask_undo->buffer); + + GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode); +} -- cgit v1.2.3