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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimp.h"
#include "core/gimpchannel.h"
#include "core/gimpchannel-select.h"
#include "core/gimpimage.h"
#include "core/gimpselection.h"
#include "core/gimpstrokedesc.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpdialogfactory.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "dialogs/dialogs.h"
#include "dialogs/stroke-dialog.h"
#include "actions.h"
#include "select-commands.h"
#include "gimp-intl.h"
/* local function prototypes */
static void select_feather_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data);
static void select_border_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data);
static void select_grow_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data);
static void select_shrink_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data);
/* private variables */
static gdouble select_feather_radius = 5.0;
static gint select_border_radius = 5;
static gint select_grow_pixels = 1;
static gint select_shrink_pixels = 1;
static gboolean select_shrink_edge_lock = FALSE;
/* public functions */
void
select_invert_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
return_if_no_image (gimage, data);
gimp_channel_invert (gimp_image_get_mask (gimage), TRUE);
gimp_image_flush (gimage);
}
void
select_all_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
return_if_no_image (gimage, data);
gimp_channel_all (gimp_image_get_mask (gimage), TRUE);
gimp_image_flush (gimage);
}
void
select_none_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
return_if_no_image (gimage, data);
gimp_channel_clear (gimp_image_get_mask (gimage), NULL, TRUE);
gimp_image_flush (gimage);
}
void
select_float_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
return_if_no_image (gimage, data);
gimp_selection_float (gimp_image_get_mask (gimage),
gimp_image_active_drawable (gimage),
action_data_get_context (data),
TRUE, 0, 0);
gimp_image_flush (gimage);
}
void
select_feather_cmd_callback (GtkAction *action,
gpointer data)
{
GimpDisplay *gdisp;
GtkWidget *dialog;
return_if_no_display (gdisp, data);
dialog = gimp_query_size_box (_("Feather Selection"),
gdisp->shell,
gimp_standard_help_func,
GIMP_HELP_SELECTION_FEATHER,
_("Feather selection by"),
select_feather_radius, 0, 32767, 3,
GIMP_DISPLAY_SHELL (gdisp->shell)->unit,
MIN (gdisp->gimage->xresolution,
gdisp->gimage->yresolution),
FALSE,
G_OBJECT (gdisp->gimage), "disconnect",
select_feather_callback, gdisp->gimage);
gtk_widget_show (dialog);
}
void
select_sharpen_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
return_if_no_image (gimage, data);
gimp_channel_sharpen (gimp_image_get_mask (gimage), TRUE);
gimp_image_flush (gimage);
}
void
select_shrink_cmd_callback (GtkAction *action,
gpointer data)
{
GimpDisplay *gdisp;
GtkWidget *dialog;
GtkWidget *edge_lock;
return_if_no_display (gdisp, data);
dialog = gimp_query_size_box (_("Shrink Selection"),
gdisp->shell,
gimp_standard_help_func,
GIMP_HELP_SELECTION_SHRINK,
_("Shrink selection by"),
select_shrink_pixels, 1, 32767, 0,
GIMP_DISPLAY_SHELL (gdisp->shell)->unit,
MIN (gdisp->gimage->xresolution,
gdisp->gimage->yresolution),
FALSE,
G_OBJECT (gdisp->gimage), "disconnect",
select_shrink_callback, gdisp->gimage);
edge_lock = gtk_check_button_new_with_label (_("Shrink from image border"));
gtk_box_pack_start (GTK_BOX (GIMP_QUERY_BOX_VBOX (dialog)), edge_lock,
FALSE, FALSE, 0);
g_object_set_data (G_OBJECT (dialog), "edge_lock_toggle", edge_lock);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (edge_lock),
! select_shrink_edge_lock);
gtk_widget_show (edge_lock);
gtk_widget_show (dialog);
}
void
select_grow_cmd_callback (GtkAction *action,
gpointer data)
{
GimpDisplay *gdisp;
GtkWidget *dialog;
return_if_no_display (gdisp, data);
dialog = gimp_query_size_box (_("Grow Selection"),
gdisp->shell,
gimp_standard_help_func,
GIMP_HELP_SELECTION_GROW,
_("Grow selection by"),
select_grow_pixels, 1, 32767, 0,
GIMP_DISPLAY_SHELL (gdisp->shell)->unit,
MIN (gdisp->gimage->xresolution,
gdisp->gimage->yresolution),
FALSE,
G_OBJECT (gdisp->gimage), "disconnect",
select_grow_callback, gdisp->gimage);
gtk_widget_show (dialog);
}
void
select_border_cmd_callback (GtkAction *action,
gpointer data)
{
GimpDisplay *gdisp;
GtkWidget *dialog;
return_if_no_display (gdisp, data);
dialog = gimp_query_size_box (_("Border Selection"),
gdisp->shell,
gimp_standard_help_func,
GIMP_HELP_SELECTION_BORDER,
_("Border selection by"),
select_border_radius, 1, 32767, 0,
GIMP_DISPLAY_SHELL (gdisp->shell)->unit,
MIN (gdisp->gimage->xresolution,
gdisp->gimage->yresolution),
FALSE,
G_OBJECT (gdisp->gimage), "disconnect",
select_border_callback, gdisp->gimage);
gtk_widget_show (dialog);
}
void
select_save_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GtkWidget *widget;
return_if_no_image (gimage, data);
return_if_no_widget (widget, data);
gimp_selection_save (gimp_image_get_mask (gimage));
gimp_image_flush (gimage);
gimp_dialog_factory_dialog_raise (global_dock_factory,
gtk_widget_get_screen (widget),
"gimp-channel-list", -1);
}
void
select_stroke_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpDrawable *drawable;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_image (gimage, data);
return_if_no_widget (widget, data);
drawable = gimp_image_active_drawable (gimage);
if (! drawable)
{
g_message (_("There is no active layer or channel to stroke to."));
return;
}
dialog = stroke_dialog_new (GIMP_ITEM (gimp_image_get_mask (gimage)),
_("Stroke Selection"),
GIMP_STOCK_SELECTION_STROKE,
GIMP_HELP_SELECTION_STROKE,
widget);
gtk_widget_show (dialog);
}
void
select_stroke_last_vals_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpDrawable *drawable;
GimpContext *context;
GimpStrokeDesc *desc;
return_if_no_image (image, data);
drawable = gimp_image_active_drawable (image);
if (! drawable)
{
g_message (_("There is no active layer or channel to stroke to."));
return;
}
context = gimp_get_user_context (image->gimp);
desc = g_object_get_data (G_OBJECT (context), "saved-stroke-desc");
if (desc)
g_object_ref (desc);
else
desc = gimp_stroke_desc_new (image->gimp, context);
gimp_item_stroke (GIMP_ITEM (gimp_image_get_mask (image)),
drawable, context, desc, FALSE);
g_object_unref (desc);
gimp_image_flush (image);
}
/* private functions */
static void
select_feather_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data)
{
GimpImage *gimage = GIMP_IMAGE (data);
gdouble radius_x;
gdouble radius_y;
select_feather_radius = size;
radius_x = radius_y = select_feather_radius;
if (unit != GIMP_UNIT_PIXEL)
{
gdouble factor;
factor = (MAX (gimage->xresolution, gimage->yresolution) /
MIN (gimage->xresolution, gimage->yresolution));
if (gimage->xresolution == MIN (gimage->xresolution, gimage->yresolution))
radius_y *= factor;
else
radius_x *= factor;
}
gimp_channel_feather (gimp_image_get_mask (gimage), radius_x, radius_y, TRUE);
gimp_image_flush (gimage);
}
static void
select_border_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data)
{
GimpImage *gimage = GIMP_IMAGE (data);
gdouble radius_x;
gdouble radius_y;
select_border_radius = ROUND (size);
radius_x = radius_y = select_border_radius;
if (unit != GIMP_UNIT_PIXEL)
{
gdouble factor;
factor = (MAX (gimage->xresolution, gimage->yresolution) /
MIN (gimage->xresolution, gimage->yresolution));
if (gimage->xresolution == MIN (gimage->xresolution, gimage->yresolution))
radius_y *= factor;
else
radius_x *= factor;
}
gimp_channel_border (gimp_image_get_mask (gimage), radius_x, radius_y, TRUE);
gimp_image_flush (gimage);
}
static void
select_grow_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data)
{
GimpImage *gimage = GIMP_IMAGE (data);
gdouble radius_x;
gdouble radius_y;
select_grow_pixels = ROUND (size);
radius_x = radius_y = select_grow_pixels;
if (unit != GIMP_UNIT_PIXEL)
{
gdouble factor;
factor = (MAX (gimage->xresolution, gimage->yresolution) /
MIN (gimage->xresolution, gimage->yresolution));
if (gimage->xresolution == MIN (gimage->xresolution, gimage->yresolution))
radius_y *= factor;
else
radius_x *= factor;
}
gimp_channel_grow (gimp_image_get_mask (gimage), radius_x, radius_y, TRUE);
gimp_image_flush (gimage);
}
static void
select_shrink_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data)
{
GimpImage *gimage = GIMP_IMAGE (data);
gint radius_x;
gint radius_y;
select_shrink_pixels = ROUND (size);
radius_x = radius_y = select_shrink_pixels;
select_shrink_edge_lock =
! GTK_TOGGLE_BUTTON (g_object_get_data (G_OBJECT (widget),
"edge_lock_toggle"))->active;
if (unit != GIMP_UNIT_PIXEL)
{
gdouble factor;
factor = (MAX (gimage->xresolution, gimage->yresolution) /
MIN (gimage->xresolution, gimage->yresolution));
if (gimage->xresolution == MIN (gimage->xresolution, gimage->yresolution))
radius_y *= factor;
else
radius_x *= factor;
}
gimp_channel_shrink (gimp_image_get_mask (gimage), radius_x, radius_y,
select_shrink_edge_lock, TRUE);
gimp_image_flush (gimage);
}
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