mirror of https://github.com/GNOME/gimp.git
579 lines
16 KiB
C
579 lines
16 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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* gimpplugin-cleanup.c
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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 "plug-in-types.h"
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#include "core/gimp.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpdrawable.h"
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#include "core/gimpdrawable-shadow.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-undo.h"
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#include "core/gimpundostack.h"
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#include "gimpplugin.h"
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#include "gimpplugin-cleanup.h"
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#include "gimppluginmanager.h"
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#include "gimppluginprocedure.h"
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#include "gimp-log.h"
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typedef struct _GimpPlugInCleanupImage GimpPlugInCleanupImage;
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struct _GimpPlugInCleanupImage
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{
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GimpImage *image;
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gint image_ID;
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gint undo_group_count;
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gint layers_freeze_count;
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gint channels_freeze_count;
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gint vectors_freeze_count;
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};
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typedef struct _GimpPlugInCleanupItem GimpPlugInCleanupItem;
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struct _GimpPlugInCleanupItem
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{
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GimpItem *item;
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gint item_ID;
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gboolean shadow_buffer;
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};
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/* local function prototypes */
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static GimpPlugInCleanupImage *
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gimp_plug_in_cleanup_image_new (GimpPlugInProcFrame *proc_frame,
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GimpImage *image);
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static void gimp_plug_in_cleanup_image_free (GimpPlugInProcFrame *proc_frame,
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GimpPlugInCleanupImage *cleanup);
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static gboolean
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gimp_plug_in_cleanup_image_is_clean (GimpPlugInCleanupImage *cleanup);
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static GimpPlugInCleanupImage *
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gimp_plug_in_cleanup_image_get (GimpPlugInProcFrame *proc_frame,
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GimpImage *image);
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static void gimp_plug_in_cleanup_image (GimpPlugInProcFrame *proc_frame,
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GimpPlugInCleanupImage *cleanup);
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static GimpPlugInCleanupItem *
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gimp_plug_in_cleanup_item_new (GimpPlugInProcFrame *proc_frame,
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GimpItem *item);
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static void gimp_plug_in_cleanup_item_free (GimpPlugInProcFrame *proc_frame,
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GimpPlugInCleanupItem *cleanup);
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static gboolean
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gimp_plug_in_cleanup_item_is_clean (GimpPlugInCleanupItem *cleanup);
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static GimpPlugInCleanupItem *
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gimp_plug_in_cleanup_item_get (GimpPlugInProcFrame *proc_frame,
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GimpItem *item);
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static void gimp_plug_in_cleanup_item (GimpPlugInProcFrame *proc_frame,
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GimpPlugInCleanupItem *cleanup);
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/* public functions */
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gboolean
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gimp_plug_in_cleanup_undo_group_start (GimpPlugIn *plug_in,
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GimpImage *image)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupImage *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_image_get (proc_frame, image);
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if (! cleanup)
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cleanup = gimp_plug_in_cleanup_image_new (proc_frame, image);
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cleanup->undo_group_count++;
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return TRUE;
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}
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gboolean
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gimp_plug_in_cleanup_undo_group_end (GimpPlugIn *plug_in,
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GimpImage *image)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupImage *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_image_get (proc_frame, image);
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if (! cleanup)
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return FALSE;
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if (cleanup->undo_group_count > 0)
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{
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cleanup->undo_group_count--;
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if (gimp_plug_in_cleanup_image_is_clean (cleanup))
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gimp_plug_in_cleanup_image_free (proc_frame, cleanup);
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return TRUE;
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}
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return FALSE;
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}
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gboolean
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gimp_plug_in_cleanup_layers_freeze (GimpPlugIn *plug_in,
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GimpImage *image)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupImage *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_image_get (proc_frame, image);
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if (! cleanup)
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cleanup = gimp_plug_in_cleanup_image_new (proc_frame, image);
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cleanup->layers_freeze_count++;
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return TRUE;
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}
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gboolean
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gimp_plug_in_cleanup_layers_thaw (GimpPlugIn *plug_in,
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GimpImage *image)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupImage *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_image_get (proc_frame, image);
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if (! cleanup)
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return FALSE;
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if (cleanup->layers_freeze_count > 0)
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{
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cleanup->layers_freeze_count--;
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if (gimp_plug_in_cleanup_image_is_clean (cleanup))
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gimp_plug_in_cleanup_image_free (proc_frame, cleanup);
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return TRUE;
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}
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return FALSE;
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}
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gboolean
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gimp_plug_in_cleanup_channels_freeze (GimpPlugIn *plug_in,
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GimpImage *image)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupImage *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_image_get (proc_frame, image);
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if (! cleanup)
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cleanup = gimp_plug_in_cleanup_image_new (proc_frame, image);
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cleanup->channels_freeze_count++;
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return TRUE;
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}
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gboolean
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gimp_plug_in_cleanup_channels_thaw (GimpPlugIn *plug_in,
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GimpImage *image)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupImage *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_image_get (proc_frame, image);
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if (! cleanup)
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return FALSE;
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if (cleanup->channels_freeze_count > 0)
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{
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cleanup->channels_freeze_count--;
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if (gimp_plug_in_cleanup_image_is_clean (cleanup))
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gimp_plug_in_cleanup_image_free (proc_frame, cleanup);
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return TRUE;
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}
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return FALSE;
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}
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gboolean
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gimp_plug_in_cleanup_vectors_freeze (GimpPlugIn *plug_in,
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GimpImage *image)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupImage *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_image_get (proc_frame, image);
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if (! cleanup)
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cleanup = gimp_plug_in_cleanup_image_new (proc_frame, image);
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cleanup->vectors_freeze_count++;
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return TRUE;
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}
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gboolean
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gimp_plug_in_cleanup_vectors_thaw (GimpPlugIn *plug_in,
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GimpImage *image)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupImage *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_image_get (proc_frame, image);
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if (! cleanup)
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return FALSE;
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if (cleanup->vectors_freeze_count > 0)
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{
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cleanup->vectors_freeze_count--;
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if (gimp_plug_in_cleanup_image_is_clean (cleanup))
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gimp_plug_in_cleanup_image_free (proc_frame, cleanup);
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return TRUE;
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}
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return FALSE;
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}
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gboolean
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gimp_plug_in_cleanup_add_shadow (GimpPlugIn *plug_in,
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GimpDrawable *drawable)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupItem *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_item_get (proc_frame, GIMP_ITEM (drawable));
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if (! cleanup)
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cleanup = gimp_plug_in_cleanup_item_new (proc_frame, GIMP_ITEM (drawable));
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cleanup->shadow_buffer = TRUE;
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return TRUE;
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}
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gboolean
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gimp_plug_in_cleanup_remove_shadow (GimpPlugIn *plug_in,
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GimpDrawable *drawable)
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{
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GimpPlugInProcFrame *proc_frame;
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GimpPlugInCleanupItem *cleanup;
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g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
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g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), FALSE);
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proc_frame = gimp_plug_in_get_proc_frame (plug_in);
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cleanup = gimp_plug_in_cleanup_item_get (proc_frame, GIMP_ITEM (drawable));
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if (! cleanup)
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return FALSE;
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if (cleanup->shadow_buffer)
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{
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cleanup->shadow_buffer = FALSE;
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if (gimp_plug_in_cleanup_item_is_clean (cleanup))
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gimp_plug_in_cleanup_item_free (proc_frame, cleanup);
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return TRUE;
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}
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return FALSE;
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}
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void
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gimp_plug_in_cleanup (GimpPlugIn *plug_in,
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GimpPlugInProcFrame *proc_frame)
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{
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g_return_if_fail (GIMP_IS_PLUG_IN (plug_in));
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g_return_if_fail (proc_frame != NULL);
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while (proc_frame->image_cleanups)
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{
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GimpPlugInCleanupImage *cleanup = proc_frame->image_cleanups->data;
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if (gimp_image_get_by_ID (plug_in->manager->gimp,
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cleanup->image_ID) == cleanup->image)
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{
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gimp_plug_in_cleanup_image (proc_frame, cleanup);
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}
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gimp_plug_in_cleanup_image_free (proc_frame, cleanup);
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}
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while (proc_frame->item_cleanups)
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{
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GimpPlugInCleanupItem *cleanup = proc_frame->item_cleanups->data;
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if (gimp_item_get_by_ID (plug_in->manager->gimp,
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cleanup->item_ID) == cleanup->item)
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{
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gimp_plug_in_cleanup_item (proc_frame, cleanup);
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}
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gimp_plug_in_cleanup_item_free (proc_frame, cleanup);
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}
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}
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/* private functions */
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static GimpPlugInCleanupImage *
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gimp_plug_in_cleanup_image_new (GimpPlugInProcFrame *proc_frame,
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GimpImage *image)
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{
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GimpPlugInCleanupImage *cleanup = g_slice_new0 (GimpPlugInCleanupImage);
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cleanup->image = image;
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cleanup->image_ID = gimp_image_get_ID (image);
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proc_frame->image_cleanups = g_list_prepend (proc_frame->image_cleanups,
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cleanup);
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return cleanup;
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}
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static void
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gimp_plug_in_cleanup_image_free (GimpPlugInProcFrame *proc_frame,
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GimpPlugInCleanupImage *cleanup)
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{
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proc_frame->image_cleanups = g_list_remove (proc_frame->image_cleanups,
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cleanup);
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g_slice_free (GimpPlugInCleanupImage, cleanup);
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}
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static gboolean
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gimp_plug_in_cleanup_image_is_clean (GimpPlugInCleanupImage *cleanup)
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{
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if (cleanup->undo_group_count > 0)
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return FALSE;
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if (cleanup->layers_freeze_count > 0)
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return FALSE;
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if (cleanup->channels_freeze_count > 0)
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return FALSE;
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if (cleanup->vectors_freeze_count > 0)
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return FALSE;
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return TRUE;
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}
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static GimpPlugInCleanupImage *
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gimp_plug_in_cleanup_image_get (GimpPlugInProcFrame *proc_frame,
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GimpImage *image)
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{
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GList *list;
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for (list = proc_frame->image_cleanups; list; list = g_list_next (list))
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{
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GimpPlugInCleanupImage *cleanup = list->data;
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if (cleanup->image == image)
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return cleanup;
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}
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return NULL;
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}
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static void
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gimp_plug_in_cleanup_image (GimpPlugInProcFrame *proc_frame,
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GimpPlugInCleanupImage *cleanup)
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{
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GimpImage *image = cleanup->image;
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GimpContainer *container;
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if (cleanup->undo_group_count > 0)
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{
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g_message ("Plug-in '%s' left image undo in inconsistent state, "
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"closing open undo groups.",
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gimp_procedure_get_label (proc_frame->procedure));
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while (cleanup->undo_group_count--)
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if (! gimp_image_undo_group_end (image))
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break;
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}
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container = gimp_image_get_layers (image);
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if (cleanup->layers_freeze_count > 0)
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{
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g_message ("Plug-in '%s' left image's layers frozen, "
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"thawing layers.",
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gimp_procedure_get_label (proc_frame->procedure));
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while (cleanup->layers_freeze_count-- > 0 &&
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gimp_container_frozen (container))
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{
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gimp_container_thaw (container);
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}
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}
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container = gimp_image_get_channels (image);
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if (cleanup->channels_freeze_count > 0)
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{
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g_message ("Plug-in '%s' left image's channels frozen, "
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"thawing channels.",
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gimp_procedure_get_label (proc_frame->procedure));
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while (cleanup->channels_freeze_count-- > 0 &&
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gimp_container_frozen (container))
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{
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gimp_container_thaw (container);
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}
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}
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container = gimp_image_get_vectors (image);
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if (cleanup->vectors_freeze_count > 0)
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{
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g_message ("Plug-in '%s' left image's vectors frozen, "
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"thawing vectors.",
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gimp_procedure_get_label (proc_frame->procedure));
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while (cleanup->vectors_freeze_count > 0 &&
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gimp_container_frozen (container))
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{
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gimp_container_thaw (container);
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}
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}
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}
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static GimpPlugInCleanupItem *
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gimp_plug_in_cleanup_item_new (GimpPlugInProcFrame *proc_frame,
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GimpItem *item)
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{
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GimpPlugInCleanupItem *cleanup = g_slice_new0 (GimpPlugInCleanupItem);
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cleanup->item = item;
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cleanup->item_ID = gimp_item_get_ID (item);
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proc_frame->item_cleanups = g_list_remove (proc_frame->item_cleanups,
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cleanup);
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return cleanup;
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}
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static void
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gimp_plug_in_cleanup_item_free (GimpPlugInProcFrame *proc_frame,
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GimpPlugInCleanupItem *cleanup)
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{
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proc_frame->item_cleanups = g_list_remove (proc_frame->item_cleanups,
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cleanup);
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g_slice_free (GimpPlugInCleanupItem, cleanup);
|
|
}
|
|
|
|
static gboolean
|
|
gimp_plug_in_cleanup_item_is_clean (GimpPlugInCleanupItem *cleanup)
|
|
{
|
|
if (cleanup->shadow_buffer)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GimpPlugInCleanupItem *
|
|
gimp_plug_in_cleanup_item_get (GimpPlugInProcFrame *proc_frame,
|
|
GimpItem *item)
|
|
{
|
|
GList *list;
|
|
|
|
for (list = proc_frame->item_cleanups; list; list = g_list_next (list))
|
|
{
|
|
GimpPlugInCleanupItem *cleanup = list->data;
|
|
|
|
if (cleanup->item == item)
|
|
return cleanup;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
gimp_plug_in_cleanup_item (GimpPlugInProcFrame *proc_frame,
|
|
GimpPlugInCleanupItem *cleanup)
|
|
{
|
|
GimpItem *item = cleanup->item;
|
|
|
|
if (cleanup->shadow_buffer)
|
|
{
|
|
GIMP_LOG (SHADOW_TILES,
|
|
"Freeing shadow buffer of drawable '%s' on behalf of '%s'.",
|
|
gimp_object_get_name (item),
|
|
gimp_procedure_get_label (proc_frame->procedure));
|
|
|
|
gimp_drawable_free_shadow_buffer (GIMP_DRAWABLE (item));
|
|
|
|
cleanup->shadow_buffer = FALSE;
|
|
}
|
|
}
|