mirror of https://github.com/GNOME/gimp.git
453 lines
14 KiB
C
453 lines
14 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 <gtk/gtk.h>
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#include "libgimpmath/gimpmath.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "actions-types.h"
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#include "core/gimp.h"
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#include "core/gimpchannel.h"
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#include "core/gimpchannel-select.h"
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#include "core/gimpimage.h"
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#include "core/gimpselection.h"
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#include "core/gimpstrokedesc.h"
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#include "widgets/gimphelp-ids.h"
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#include "widgets/gimpdialogfactory.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "dialogs/dialogs.h"
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#include "dialogs/stroke-dialog.h"
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#include "actions.h"
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#include "select-commands.h"
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#include "gimp-intl.h"
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/* local function prototypes */
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static void select_feather_callback (GtkWidget *widget,
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gdouble size,
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GimpUnit unit,
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gpointer data);
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static void select_border_callback (GtkWidget *widget,
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gdouble size,
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GimpUnit unit,
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gpointer data);
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static void select_grow_callback (GtkWidget *widget,
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gdouble size,
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GimpUnit unit,
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gpointer data);
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static void select_shrink_callback (GtkWidget *widget,
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gdouble size,
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GimpUnit unit,
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gpointer data);
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/* private variables */
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static gdouble select_feather_radius = 5.0;
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static gint select_border_radius = 5;
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static gint select_grow_pixels = 1;
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static gint select_shrink_pixels = 1;
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static gboolean select_shrink_edge_lock = FALSE;
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/* public functions */
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void
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select_invert_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *gimage;
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return_if_no_image (gimage, data);
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gimp_channel_invert (gimp_image_get_mask (gimage), TRUE);
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gimp_image_flush (gimage);
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}
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void
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select_all_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *gimage;
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return_if_no_image (gimage, data);
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gimp_channel_all (gimp_image_get_mask (gimage), TRUE);
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gimp_image_flush (gimage);
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}
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void
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select_none_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *gimage;
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return_if_no_image (gimage, data);
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gimp_channel_clear (gimp_image_get_mask (gimage), NULL, TRUE);
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gimp_image_flush (gimage);
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}
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void
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select_float_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *gimage;
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return_if_no_image (gimage, data);
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gimp_selection_float (gimp_image_get_mask (gimage),
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gimp_image_active_drawable (gimage),
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action_data_get_context (data),
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TRUE, 0, 0);
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gimp_image_flush (gimage);
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}
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void
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select_feather_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *gdisp;
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GtkWidget *dialog;
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return_if_no_display (gdisp, data);
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dialog = gimp_query_size_box (_("Feather Selection"),
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gdisp->shell,
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gimp_standard_help_func,
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GIMP_HELP_SELECTION_FEATHER,
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_("Feather selection by"),
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select_feather_radius, 0, 32767, 3,
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GIMP_DISPLAY_SHELL (gdisp->shell)->unit,
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MIN (gdisp->gimage->xresolution,
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gdisp->gimage->yresolution),
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FALSE,
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G_OBJECT (gdisp->gimage), "disconnect",
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select_feather_callback, gdisp->gimage);
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gtk_widget_show (dialog);
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}
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void
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select_sharpen_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *gimage;
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return_if_no_image (gimage, data);
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gimp_channel_sharpen (gimp_image_get_mask (gimage), TRUE);
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gimp_image_flush (gimage);
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}
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void
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select_shrink_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *gdisp;
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GtkWidget *dialog;
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GtkWidget *edge_lock;
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return_if_no_display (gdisp, data);
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dialog = gimp_query_size_box (_("Shrink Selection"),
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gdisp->shell,
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gimp_standard_help_func,
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GIMP_HELP_SELECTION_SHRINK,
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_("Shrink selection by"),
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select_shrink_pixels, 1, 32767, 0,
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GIMP_DISPLAY_SHELL (gdisp->shell)->unit,
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MIN (gdisp->gimage->xresolution,
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gdisp->gimage->yresolution),
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FALSE,
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G_OBJECT (gdisp->gimage), "disconnect",
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select_shrink_callback, gdisp->gimage);
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edge_lock = gtk_check_button_new_with_label (_("Shrink from image border"));
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gtk_box_pack_start (GTK_BOX (GIMP_QUERY_BOX_VBOX (dialog)), edge_lock,
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FALSE, FALSE, 0);
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g_object_set_data (G_OBJECT (dialog), "edge_lock_toggle", edge_lock);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (edge_lock),
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! select_shrink_edge_lock);
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gtk_widget_show (edge_lock);
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gtk_widget_show (dialog);
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}
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void
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select_grow_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *gdisp;
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GtkWidget *dialog;
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return_if_no_display (gdisp, data);
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dialog = gimp_query_size_box (_("Grow Selection"),
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gdisp->shell,
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gimp_standard_help_func,
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GIMP_HELP_SELECTION_GROW,
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_("Grow selection by"),
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select_grow_pixels, 1, 32767, 0,
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GIMP_DISPLAY_SHELL (gdisp->shell)->unit,
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MIN (gdisp->gimage->xresolution,
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gdisp->gimage->yresolution),
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FALSE,
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G_OBJECT (gdisp->gimage), "disconnect",
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select_grow_callback, gdisp->gimage);
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gtk_widget_show (dialog);
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}
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void
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select_border_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *gdisp;
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GtkWidget *dialog;
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return_if_no_display (gdisp, data);
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dialog = gimp_query_size_box (_("Border Selection"),
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gdisp->shell,
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gimp_standard_help_func,
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GIMP_HELP_SELECTION_BORDER,
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_("Border selection by"),
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select_border_radius, 1, 32767, 0,
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GIMP_DISPLAY_SHELL (gdisp->shell)->unit,
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MIN (gdisp->gimage->xresolution,
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gdisp->gimage->yresolution),
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FALSE,
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G_OBJECT (gdisp->gimage), "disconnect",
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select_border_callback, gdisp->gimage);
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gtk_widget_show (dialog);
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}
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void
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select_save_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *gimage;
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GtkWidget *widget;
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return_if_no_image (gimage, data);
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return_if_no_widget (widget, data);
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gimp_selection_save (gimp_image_get_mask (gimage));
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gimp_image_flush (gimage);
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gimp_dialog_factory_dialog_raise (global_dock_factory,
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gtk_widget_get_screen (widget),
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"gimp-channel-list", -1);
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}
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void
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select_stroke_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *gimage;
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GimpDrawable *drawable;
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GtkWidget *widget;
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GtkWidget *dialog;
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return_if_no_image (gimage, data);
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return_if_no_widget (widget, data);
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drawable = gimp_image_active_drawable (gimage);
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if (! drawable)
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{
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g_message (_("There is no active layer or channel to stroke to."));
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return;
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}
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dialog = stroke_dialog_new (GIMP_ITEM (gimp_image_get_mask (gimage)),
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_("Stroke Selection"),
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GIMP_STOCK_SELECTION_STROKE,
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GIMP_HELP_SELECTION_STROKE,
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widget);
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gtk_widget_show (dialog);
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}
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void
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select_stroke_last_vals_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *image;
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GimpDrawable *drawable;
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GimpContext *context;
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GimpStrokeDesc *desc;
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return_if_no_image (image, data);
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drawable = gimp_image_active_drawable (image);
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if (! drawable)
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{
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g_message (_("There is no active layer or channel to stroke to."));
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return;
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}
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context = gimp_get_user_context (image->gimp);
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desc = g_object_get_data (G_OBJECT (context), "saved-stroke-desc");
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if (desc)
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g_object_ref (desc);
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else
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desc = gimp_stroke_desc_new (image->gimp, context);
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gimp_item_stroke (GIMP_ITEM (gimp_image_get_mask (image)),
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drawable, context, desc, FALSE);
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g_object_unref (desc);
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gimp_image_flush (image);
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}
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/* private functions */
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static void
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select_feather_callback (GtkWidget *widget,
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gdouble size,
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GimpUnit unit,
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gpointer data)
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{
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GimpImage *gimage = GIMP_IMAGE (data);
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gdouble radius_x;
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gdouble radius_y;
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select_feather_radius = size;
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radius_x = radius_y = select_feather_radius;
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if (unit != GIMP_UNIT_PIXEL)
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{
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gdouble factor;
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factor = (MAX (gimage->xresolution, gimage->yresolution) /
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MIN (gimage->xresolution, gimage->yresolution));
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if (gimage->xresolution == MIN (gimage->xresolution, gimage->yresolution))
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radius_y *= factor;
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else
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radius_x *= factor;
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}
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gimp_channel_feather (gimp_image_get_mask (gimage), radius_x, radius_y, TRUE);
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gimp_image_flush (gimage);
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}
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static void
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select_border_callback (GtkWidget *widget,
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gdouble size,
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GimpUnit unit,
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gpointer data)
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{
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GimpImage *gimage = GIMP_IMAGE (data);
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gdouble radius_x;
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gdouble radius_y;
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select_border_radius = ROUND (size);
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radius_x = radius_y = select_border_radius;
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if (unit != GIMP_UNIT_PIXEL)
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{
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gdouble factor;
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factor = (MAX (gimage->xresolution, gimage->yresolution) /
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MIN (gimage->xresolution, gimage->yresolution));
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if (gimage->xresolution == MIN (gimage->xresolution, gimage->yresolution))
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radius_y *= factor;
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else
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radius_x *= factor;
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}
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gimp_channel_border (gimp_image_get_mask (gimage), radius_x, radius_y, TRUE);
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gimp_image_flush (gimage);
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}
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static void
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select_grow_callback (GtkWidget *widget,
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gdouble size,
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GimpUnit unit,
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gpointer data)
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{
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GimpImage *gimage = GIMP_IMAGE (data);
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gdouble radius_x;
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gdouble radius_y;
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select_grow_pixels = ROUND (size);
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radius_x = radius_y = select_grow_pixels;
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if (unit != GIMP_UNIT_PIXEL)
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{
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gdouble factor;
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factor = (MAX (gimage->xresolution, gimage->yresolution) /
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MIN (gimage->xresolution, gimage->yresolution));
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if (gimage->xresolution == MIN (gimage->xresolution, gimage->yresolution))
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radius_y *= factor;
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else
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radius_x *= factor;
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}
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gimp_channel_grow (gimp_image_get_mask (gimage), radius_x, radius_y, TRUE);
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gimp_image_flush (gimage);
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}
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static void
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select_shrink_callback (GtkWidget *widget,
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gdouble size,
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GimpUnit unit,
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gpointer data)
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{
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GimpImage *gimage = GIMP_IMAGE (data);
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gint radius_x;
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gint radius_y;
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select_shrink_pixels = ROUND (size);
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radius_x = radius_y = select_shrink_pixels;
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select_shrink_edge_lock =
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! GTK_TOGGLE_BUTTON (g_object_get_data (G_OBJECT (widget),
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"edge_lock_toggle"))->active;
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if (unit != GIMP_UNIT_PIXEL)
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{
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gdouble factor;
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factor = (MAX (gimage->xresolution, gimage->yresolution) /
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MIN (gimage->xresolution, gimage->yresolution));
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if (gimage->xresolution == MIN (gimage->xresolution, gimage->yresolution))
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radius_y *= factor;
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else
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radius_x *= factor;
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}
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gimp_channel_shrink (gimp_image_get_mask (gimage), radius_x, radius_y,
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select_shrink_edge_lock, TRUE);
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gimp_image_flush (gimage);
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}
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