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gimp/app/dialogs/offset-dialog.c

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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 "gui-types.h"
#include "core/gimpdrawable.h"
#include "core/gimpdrawable-offset.h"
#include "core/gimpimage.h"
#include "display/gimpdisplay-foreach.h"
#include "libgimp/gimpintl.h"
#define ENTRY_WIDTH 60
typedef struct _OffsetDialog OffsetDialog;
struct _OffsetDialog
{
GtkWidget *dlg;
GtkWidget *off_se;
gboolean wrap_around;
GimpOffsetType fill_type;
GimpImage *gimage;
};
/* Forward declarations */
static void offset_ok_callback (GtkWidget *widget,
gpointer data);
static void offset_cancel_callback (GtkWidget *widget,
gpointer data);
static void offset_halfheight_callback (GtkWidget *widget,
gpointer data);
void
offset_dialog_create (GimpDrawable *drawable)
{
OffsetDialog *off_d;
GtkWidget *label;
GtkWidget *check;
GtkWidget *push;
GtkWidget *vbox;
GtkWidget *table;
GtkObject *adjustment;
GtkWidget *spinbutton;
GtkWidget *frame;
GtkWidget *radio_button;
off_d = g_new0 (OffsetDialog, 1);
off_d->wrap_around = TRUE;
off_d->fill_type = gimp_drawable_has_alpha (drawable);
off_d->gimage = gimp_drawable_gimage (drawable);
off_d->dlg = gimp_dialog_new (_("Offset"), "offset",
gimp_standard_help_func,
"dialogs/offset.html",
GTK_WIN_POS_NONE,
FALSE, TRUE, FALSE,
GTK_STOCK_OK, offset_ok_callback,
off_d, NULL, NULL, TRUE, FALSE,
GTK_STOCK_CANCEL, offset_cancel_callback,
off_d, NULL, NULL, FALSE, TRUE,
NULL);
/* The vbox for first column of options */
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (off_d->dlg)->vbox), vbox);
/* The table for the offsets */
table = gtk_table_new (3, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
/* The offset labels */
label = gtk_label_new (_("Offset X:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Y:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
gtk_widget_show (label);
/* The offset sizeentry */
adjustment = gtk_adjustment_new (1, 1, 1, 1, 10, 1);
spinbutton = gtk_spin_button_new (GTK_ADJUSTMENT (adjustment), 1, 2);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
gtk_widget_set_usize (spinbutton, 75, 0);
off_d->off_se = gimp_size_entry_new (1, off_d->gimage->unit, "%a",
TRUE, TRUE, FALSE, 75,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (off_d->off_se),
GTK_SPIN_BUTTON (spinbutton), NULL);
gtk_table_attach_defaults (GTK_TABLE (off_d->off_se), spinbutton,
1, 2, 0, 1);
gtk_widget_show (spinbutton);
gtk_table_attach (GTK_TABLE (table), off_d->off_se, 1, 2, 0, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (off_d->off_se);
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (off_d->off_se), GIMP_UNIT_PIXEL);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (off_d->off_se), 0,
off_d->gimage->xresolution, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (off_d->off_se), 1,
off_d->gimage->yresolution, FALSE);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (off_d->off_se), 0,
-off_d->gimage->width,
off_d->gimage->width);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (off_d->off_se), 1,
-off_d->gimage->height,
off_d->gimage->height);
gimp_size_entry_set_size (GIMP_SIZE_ENTRY (off_d->off_se), 0,
0, off_d->gimage->width);
gimp_size_entry_set_size (GIMP_SIZE_ENTRY (off_d->off_se), 1,
0, off_d->gimage->height);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (off_d->off_se), 0, 0);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (off_d->off_se), 1, 0);
gtk_widget_show (table);
/* The wrap around option */
check = gtk_check_button_new_with_label (_("Wrap Around"));
gtk_box_pack_start (GTK_BOX (vbox), check, FALSE, FALSE, 0);
gtk_widget_show (check);
/* The fill options */
frame =
gimp_radio_group_new2 (TRUE, _("Fill Type"),
G_CALLBACK (gimp_radio_button_update),
&off_d->fill_type,
GINT_TO_POINTER (off_d->fill_type),
_("Background"),
GINT_TO_POINTER (OFFSET_BACKGROUND), NULL,
_("Transparent"),
GINT_TO_POINTER (OFFSET_TRANSPARENT), &radio_button,
NULL);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
if (! gimp_drawable_has_alpha (drawable))
gtk_widget_set_sensitive (radio_button, FALSE);
/* The by half height and half width option */
push = gtk_button_new_with_label (_("Offset by (x/2),(y/2)"));
gtk_container_set_border_width (GTK_CONTAINER (push), 2);
gtk_box_pack_start (GTK_BOX (vbox), push, FALSE, FALSE, 0);
gtk_widget_show (push);
/* Hook up the wrap around */
g_signal_connect (G_OBJECT (check), "toggled",
G_CALLBACK (gimp_toggle_button_update),
&off_d->wrap_around);
g_object_set_data (G_OBJECT (check), "inverse_sensitive", frame);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), off_d->wrap_around);
/* Hook up the by half */
g_signal_connect (G_OBJECT (push), "clicked",
G_CALLBACK (offset_halfheight_callback),
off_d);
gtk_widget_show (vbox);
gtk_widget_show (off_d->dlg);
}
/* private function */
static void
offset_ok_callback (GtkWidget *widget,
gpointer data)
{
OffsetDialog *off_d;
GimpImage *gimage;
GimpDrawable *drawable;
gint offset_x;
gint offset_y;
off_d = (OffsetDialog *) data;
if ((gimage = off_d->gimage) != NULL)
{
drawable = gimp_image_active_drawable (gimage);
offset_x = (gint)
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (off_d->off_se), 0));
offset_y = (gint)
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (off_d->off_se), 1));
gimp_drawable_offset (drawable,
off_d->wrap_around, off_d->fill_type,
offset_x, offset_y);
gdisplays_flush ();
}
gtk_widget_destroy (off_d->dlg);
g_free (off_d);
}
static void
offset_cancel_callback (GtkWidget *widget,
gpointer data)
{
OffsetDialog *off_d;
off_d = (OffsetDialog *) data;
gtk_widget_destroy (off_d->dlg);
g_free (off_d);
}
static void
offset_halfheight_callback (GtkWidget *widget,
gpointer data)
{
OffsetDialog *off_d;
GimpImage *gimage;
off_d = (OffsetDialog *) data;
gimage = off_d->gimage;
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (off_d->off_se),
0, gimage->width / 2);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (off_d->off_se),
1, gimage->height / 2);
}
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