mirror of https://github.com/GNOME/gimp.git
385 lines
10 KiB
C
385 lines
10 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 "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/gimpimage.h"
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#include "core/gimpimage-mask.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "libgimp/gimpintl.h"
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#define return_if_no_display(gdisp,data) \
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gdisp = gimp_context_get_display (gimp_get_user_context (GIMP (data))); \
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if (! gdisp) \
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return
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#define return_if_no_image(gimage,data) \
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gimage = gimp_context_get_image (gimp_get_user_context (GIMP (data))); \
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if (! gimage) \
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return
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/* local functions */
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static void gimp_image_mask_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 gimp_image_mask_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 gimp_image_mask_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 gimp_image_mask_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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/* local variables */
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static gdouble selection_feather_radius = 5.0;
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static gint selection_border_radius = 5;
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static gint selection_grow_pixels = 1;
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static gint selection_shrink_pixels = 1;
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static gboolean selection_shrink_edge_lock = FALSE;
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void
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select_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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return_if_no_image (gimage, data);
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gimp_image_mask_invert (gimage);
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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 (GtkWidget *widget,
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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_image_mask_all (gimage);
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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 (GtkWidget *widget,
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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_image_mask_clear (gimage);
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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 (GtkWidget *widget,
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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_image_mask_float (gimage, gimp_image_active_drawable (gimage), 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 (GtkWidget *widget,
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gpointer data)
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{
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GimpDisplay *gdisp;
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GtkWidget *qbox;
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return_if_no_display (gdisp, data);
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qbox = gimp_query_size_box (_("Feather Selection"),
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gimp_standard_help_func,
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"dialogs/feather_selection.html",
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_("Feather Selection by:"),
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selection_feather_radius, 0, 32767, 3,
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gdisp->gimage->unit,
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MIN (gdisp->gimage->xresolution,
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gdisp->gimage->yresolution),
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GIMP_DISPLAY_SHELL (gdisp->shell)->dot_for_dot,
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G_OBJECT (gdisp->gimage), "disconnect",
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gimp_image_mask_feather_callback, gdisp->gimage);
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gtk_widget_show (qbox);
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}
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void
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select_sharpen_cmd_callback (GtkWidget *widget,
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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_image_mask_sharpen (gimage);
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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 (GtkWidget *widget,
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gpointer data)
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{
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GimpDisplay *gdisp;
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GtkWidget *shrink_dialog;
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GtkWidget *edge_lock;
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return_if_no_display (gdisp, data);
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shrink_dialog =
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gimp_query_size_box (_("Shrink Selection"),
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gimp_standard_help_func,
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"dialogs/shrink_selection.html",
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_("Shrink Selection by:"),
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selection_shrink_pixels, 1, 32767, 0,
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gdisp->gimage->unit,
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MIN (gdisp->gimage->xresolution,
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gdisp->gimage->yresolution),
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GIMP_DISPLAY_SHELL (gdisp->shell)->dot_for_dot,
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G_OBJECT (gdisp->gimage), "disconnect",
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gimp_image_mask_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 (shrink_dialog)), edge_lock,
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FALSE, FALSE, 0);
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g_object_set_data (G_OBJECT (shrink_dialog), "edge_lock_toggle", edge_lock);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (edge_lock),
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! selection_shrink_edge_lock);
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gtk_widget_show (edge_lock);
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gtk_widget_show (shrink_dialog);
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}
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void
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select_grow_cmd_callback (GtkWidget *widget,
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gpointer data)
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{
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GimpDisplay *gdisp;
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GtkWidget *qbox;
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return_if_no_display (gdisp, data);
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qbox = gimp_query_size_box (_("Grow Selection"),
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gimp_standard_help_func,
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"dialogs/grow_selection.html",
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_("Grow Selection by:"),
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selection_grow_pixels, 1, 32767, 0,
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gdisp->gimage->unit,
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MIN (gdisp->gimage->xresolution,
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gdisp->gimage->yresolution),
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GIMP_DISPLAY_SHELL (gdisp->shell)->dot_for_dot,
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G_OBJECT (gdisp->gimage), "disconnect",
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gimp_image_mask_grow_callback, gdisp->gimage);
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gtk_widget_show (qbox);
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}
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void
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select_border_cmd_callback (GtkWidget *widget,
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gpointer data)
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{
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GimpDisplay *gdisp;
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GtkWidget *qbox;
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return_if_no_display (gdisp, data);
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qbox = gimp_query_size_box (_("Border Selection"),
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gimp_standard_help_func,
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"dialogs/border_selection.html",
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_("Border Selection by:"),
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selection_border_radius, 1, 32767, 0,
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gdisp->gimage->unit,
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MIN (gdisp->gimage->xresolution,
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gdisp->gimage->yresolution),
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GIMP_DISPLAY_SHELL (gdisp->shell)->dot_for_dot,
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G_OBJECT (gdisp->gimage), "disconnect",
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gimp_image_mask_border_callback, gdisp->gimage);
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gtk_widget_show (qbox);
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}
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void
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select_save_cmd_callback (GtkWidget *widget,
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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_image_mask_save (gimage);
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gimp_image_flush (gimage);
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}
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/* private functions */
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static void
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gimp_image_mask_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;
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gdouble radius_x;
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gdouble radius_y;
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gimage = GIMP_IMAGE (data);
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selection_feather_radius = size;
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radius_x = radius_y = selection_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_image_mask_feather (gimage, radius_x, radius_y);
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gimp_image_flush (gimage);
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}
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static void
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gimp_image_mask_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;
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gdouble radius_x;
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gdouble radius_y;
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gimage = GIMP_IMAGE (data);
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selection_border_radius = ROUND (size);
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radius_x = radius_y = selection_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_image_mask_border (gimage, radius_x, radius_y);
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gimp_image_flush (gimage);
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}
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static void
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gimp_image_mask_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;
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gdouble radius_x;
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gdouble radius_y;
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gimage = GIMP_IMAGE (data);
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selection_grow_pixels = ROUND (size);
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radius_x = radius_y = selection_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_image_mask_grow (gimage, radius_x, radius_y);
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gimp_image_flush (gimage);
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}
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static void
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gimp_image_mask_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;
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gint radius_x;
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gint radius_y;
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gimage = GIMP_IMAGE (data);
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selection_shrink_pixels = ROUND (size);
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radius_x = radius_y = selection_shrink_pixels;
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selection_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_image_mask_shrink (gimage, radius_x, radius_y,
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selection_shrink_edge_lock);
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gimp_image_flush (gimage);
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}
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