mirror of https://github.com/GNOME/gimp.git
133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
/* The GIMP -- an 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <gtk/gtk.h>
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#include "libgimpwidgets/gimpwidgets.h"
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#include "gui-types.h"
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#include "core/gimp.h"
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#include "core/gimpcontext.h"
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#include "core/gimpdrawable.h"
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#include "core/gimpdrawable-desaturate.h"
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#include "core/gimpdrawable-equalize.h"
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#include "core/gimpdrawable-invert.h"
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#include "core/gimpimage.h"
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#include "widgets/gimpitemlistview.h"
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#include "display/gimpdisplay.h"
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#include "drawable-commands.h"
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#include "offset-dialog.h"
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#include "libgimp/gimpintl.h"
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#define return_if_no_image(gimage,data) \
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if (GIMP_IS_DISPLAY (data)) \
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gimage = ((GimpDisplay *) data)->gimage; \
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else if (GIMP_IS_GIMP (data)) \
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gimage = gimp_context_get_image (gimp_get_user_context (GIMP (data))); \
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else if (GIMP_IS_ITEM_LIST_VIEW (data)) \
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gimage = ((GimpItemListView *) data)->gimage; \
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else \
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gimage = NULL; \
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\
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if (! gimage) \
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return
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#define return_if_no_drawable(gimage,drawable,data) \
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return_if_no_image (gimage,data); \
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drawable = gimp_image_active_drawable (gimage); \
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if (! drawable) \
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return
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/* public functions */
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void
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drawable_desaturate_cmd_callback (GtkWidget *widget,
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gpointer data)
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{
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GimpImage *gimage;
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GimpDrawable *active_drawable;
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return_if_no_drawable (gimage, active_drawable, data);
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if (! gimp_drawable_is_rgb (active_drawable))
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{
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g_message (_("Desaturate operates only on RGB color drawables."));
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return;
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}
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gimp_drawable_desaturate (active_drawable);
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gimp_image_flush (gimage);
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}
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void
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drawable_invert_cmd_callback (GtkWidget *widget,
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gpointer data)
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{
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GimpImage *gimage;
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GimpDrawable *active_drawable;
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return_if_no_drawable (gimage, active_drawable, data);
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if (gimp_drawable_is_indexed (active_drawable))
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{
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g_message (_("Invert does not operate on indexed drawables."));
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return;
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}
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gimp_drawable_invert (active_drawable);
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gimp_image_flush (gimage);
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}
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void
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drawable_equalize_cmd_callback (GtkWidget *widget,
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gpointer data)
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{
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GimpImage *gimage;
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GimpDrawable *active_drawable;
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return_if_no_drawable (gimage, active_drawable, data);
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if (gimp_drawable_is_indexed (active_drawable))
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{
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g_message (_("Equalize does not operate on indexed drawables."));
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return;
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}
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gimp_drawable_equalize (active_drawable, TRUE);
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gimp_image_flush (gimage);
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}
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void
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drawable_offset_cmd_callback (GtkWidget *widget,
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gpointer data)
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{
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GimpImage *gimage;
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GimpDrawable *active_drawable;
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return_if_no_drawable (gimage, active_drawable, data);
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offset_dialog_create (active_drawable);
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}
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