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gimp/app/dialogs/resize-dialog.c
Michael Natterer f9cb4af74e when scaling an indexed image/layer, add a label telling the user that 
2004-01-18  Michael Natterer  <mitch@gimp.org>

	* app/gui/resize-dialog.c: when scaling an indexed image/layer,
	add a label telling the user that indexed layers are always scaled
	without interpolation. Can't simply make the option menu
	insensitive because channels and layer masks are still scaled with
	the chosen interpolation type. Fixes bug #131779.
2004-01-18 22:50:24 +00:00

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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 "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "gui-types.h"
#include "config/gimpcoreconfig.h"
#include "core/gimp.h"
#include "core/gimpimage.h"
#include "core/gimplayer.h"
#include "core/gimptemplate.h"
#include "widgets/gimpenummenu.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpviewabledialog.h"
#include "resize-dialog.h"
#include "gimp-intl.h"
#define RESIZE_RESPONSE_RESET 1
#define SB_WIDTH 10
typedef struct _ResizePrivate ResizePrivate;
struct _ResizePrivate
{
Resize resize;
GtkCallback ok_callback;
gpointer ok_data;
/* size frame */
GtkWidget *orig_width_label;
GtkWidget *orig_height_label;
GtkWidget *size_se;
GtkObject *ratio_x_adj;
GtkObject *ratio_y_adj;
GtkWidget *constrain;
/* offset frame */
GtkWidget *offset_se;
GtkWidget *offset_area;
/* resolution frame */
GtkWidget *printsize_se;
GtkWidget *resolution_se;
GtkWidget *equal_res;
/* interpolation menu */
GtkWidget *interpolation_menu;
gint old_width, old_height;
gdouble old_res_x, old_res_y;
};
static void unit_update (GtkWidget *widget,
gpointer data);
static gint resize_bound_off_x (Resize *resize,
gint off_x);
static gint resize_bound_off_y (Resize *resize,
gint off_y);
static void orig_labels_update (GtkWidget *widget,
gpointer data);
static void response_callback (GtkWidget *widget,
gint response_id,
Resize *resize);
static void size_callback (GtkWidget *widget,
Resize *resize);
static void ratio_callback (GtkWidget *widget,
Resize *resize);
static void size_update (Resize *widget,
gdouble width,
gdouble height,
gdouble ratio_x,
gdouble ratio_y);
static void offset_area_offsets_changed (GtkWidget *offset_area,
gint offset_x,
gint offset_y,
gpointer data);
static void offset_update (GtkWidget *widget,
gpointer data);
static void offset_center_clicked (GtkWidget *widget,
gpointer data);
static void printsize_update (GtkWidget *widget,
gpointer data);
static void resolution_callback (GtkWidget *widget,
gpointer data);
static void resolution_update (Resize *resize,
gdouble res_x,
gdouble res_y);
Resize *
resize_widget_new (GimpViewable *viewable,
GtkWidget *parent,
ResizeType type,
gint width,
gint height,
gdouble resolution_x,
gdouble resolution_y,
GimpUnit unit,
gboolean dot_for_dot,
GCallback ok_cb,
gpointer user_data)
{
Resize *resize;
ResizePrivate *private;
GimpCoreConfig *config;
GtkWidget *main_vbox;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *table;
GtkWidget *table2;
GtkWidget *label;
GtkWidget *frame = NULL;
GtkWidget *spinbutton;
GtkObject *adjustment;
g_return_val_if_fail (GIMP_IS_ITEM (viewable) ||
GIMP_IS_IMAGE (viewable), NULL);
g_return_val_if_fail (ok_cb != NULL, NULL);
private = g_new0 (ResizePrivate, 1);
private->ok_callback = (GtkCallback) ok_cb;
private->ok_data = user_data;
private->old_width = width;
private->old_height = height;
private->old_res_x = resolution_x;
private->old_res_y = resolution_y;
resize = (Resize *) private;
if (GIMP_IS_IMAGE (viewable))
{
resize->gimage = GIMP_IMAGE (viewable);
resize->target = ResizeImage;
}
else
{
resize->gimage = gimp_item_get_image (GIMP_ITEM (viewable));
resize->target = ResizeLayer;
}
config = resize->gimage->gimp->config;
resize->type = type;
resize->width = width;
resize->height = height;
resize->resolution_x = resolution_x;
resize->resolution_y = resolution_y;
resize->unit = unit;
resize->ratio_x = 1.0;
resize->ratio_y = 1.0;
resize->offset_x = 0;
resize->offset_y = 0;
resize->interpolation = config->interpolation_type;
/* dialog box */
{
const gchar *role = NULL;
const gchar *window_title = NULL;
const gchar *stock_id = NULL;
const gchar *window_desc = NULL;
gchar *help_page = NULL;
switch (type)
{
case ScaleWidget:
stock_id = GIMP_STOCK_SCALE;
switch (resize->target)
{
case ResizeLayer:
role = "gimp-layer-scale";
window_title = _("Scale Layer");
window_desc = _("Scale Layer Options");
help_page = GIMP_HELP_LAYER_SCALE;
frame = gtk_frame_new (_("Size"));
break;
case ResizeImage:
role = "gimp-image-scale";
window_title = _("Scale Image");
window_desc = _("Scale Image Options");
help_page = GIMP_HELP_IMAGE_SCALE;
frame = gtk_frame_new (_("Pixel Dimensions"));
break;
}
break;
case ResizeWidget:
stock_id = GIMP_STOCK_RESIZE;
switch (resize->target)
{
case ResizeLayer:
role = "gimp-layer-resize";
window_title = _("Layer Boundary Size");
window_desc = _("Set Layer Boundary Size");
help_page = GIMP_HELP_LAYER_RESIZE;
break;
case ResizeImage:
role = "gimp-image-resize";
window_title = _("Canvas Size");
window_desc = _("Set Image Canvas Size");
help_page = GIMP_HELP_IMAGE_RESIZE;
break;
}
frame = gtk_frame_new (_("Size"));
break;
}
resize->resize_shell =
gimp_viewable_dialog_new (viewable,
window_title, role,
stock_id, window_desc,
parent,
gimp_standard_help_func, help_page,
GIMP_STOCK_RESET, RESIZE_RESPONSE_RESET,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (resize->resize_shell, "response",
G_CALLBACK (response_callback),
resize);
g_object_weak_ref (G_OBJECT (resize->resize_shell),
(GWeakNotify) g_free,
private);
gtk_window_set_resizable (GTK_WINDOW (resize->resize_shell), FALSE);
}
/* the main vbox */
main_vbox = gtk_vbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 6);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (resize->resize_shell)->vbox),
main_vbox);
/* the pixel dimensions frame */
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
gtk_container_add (GTK_CONTAINER (frame), vbox);
table = gtk_table_new (6, 2, FALSE);
gtk_container_set_border_width (GTK_CONTAINER (table), 2);
gtk_table_set_col_spacings (GTK_TABLE (table), 2);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 1, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 3, 4);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* the original width & height labels */
label = gtk_label_new (_("Original Width:"));
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 | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Height:"));
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 | GTK_FILL, 0, 0);
gtk_widget_show (label);
private->orig_width_label = gtk_label_new ("");
gtk_misc_set_alignment (GTK_MISC (private->orig_width_label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), private->orig_width_label, 1, 2, 0, 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (private->orig_width_label);
private->orig_height_label = gtk_label_new ("");
gtk_misc_set_alignment (GTK_MISC (private->orig_height_label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), private->orig_height_label, 1, 2, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (private->orig_height_label);
/* the new size labels */
label = gtk_label_new (_("New Width:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Height:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 3, 4,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* the new size sizeentry */
spinbutton = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 1,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
private->size_se = gimp_size_entry_new (1, unit, "%a",
TRUE, TRUE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
gtk_table_set_col_spacing (GTK_TABLE (private->size_se), 1, 4);
gtk_table_set_row_spacing (GTK_TABLE (private->size_se), 0, 2);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (private->size_se),
GTK_SPIN_BUTTON (spinbutton), NULL);
gtk_table_attach_defaults (GTK_TABLE (private->size_se), spinbutton,
1, 2, 0, 1);
gtk_widget_show (spinbutton);
gtk_table_attach (GTK_TABLE (table), private->size_se, 1, 2, 2, 4,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (private->size_se);
if (dot_for_dot)
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (private->size_se),
GIMP_UNIT_PIXEL);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->size_se), 0,
resolution_x, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->size_se), 1,
resolution_y, FALSE);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (private->size_se), 0,
GIMP_MIN_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (private->size_se), 1,
GIMP_MIN_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_size (GIMP_SIZE_ENTRY (private->size_se), 0, 0, width);
gimp_size_entry_set_size (GIMP_SIZE_ENTRY (private->size_se), 1, 0, height);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->size_se), 0, width);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->size_se), 1, height);
g_signal_connect (private->size_se, "value_changed",
G_CALLBACK (size_callback),
resize);
g_signal_connect (private->size_se, "unit_changed",
G_CALLBACK (orig_labels_update),
resize);
/* initialize the original width & height labels */
orig_labels_update (private->size_se, resize);
/* the scale ratio labels */
label = gtk_label_new (_("Ratio X:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 4, 5,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 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, 5, 6,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* a table for the spinbuttons and the chainbutton */
hbox = gtk_hbox_new (FALSE, 0);
gtk_table_attach (GTK_TABLE (table), hbox, 1, 2, 4, 6,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (hbox);
table2 = gtk_table_new (2, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table2), 0, 2);
gtk_table_set_row_spacing (GTK_TABLE (table2), 0, 2);
gtk_box_pack_start (GTK_BOX (hbox), table2, FALSE, FALSE, 0);
gtk_widget_show (table2);
/* the scale ratio spinbuttons */
spinbutton =
gimp_spin_button_new (&private->ratio_x_adj,
resize->ratio_x,
(double) GIMP_MIN_IMAGE_SIZE / (double) resize->width,
(double) GIMP_MAX_IMAGE_SIZE / (double) resize->width,
0.01, 0.1, 1,
0.01, 4);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
gtk_table_attach_defaults (GTK_TABLE (table2), spinbutton, 0, 1, 0, 1);
gtk_widget_show (spinbutton);
g_signal_connect (private->ratio_x_adj, "value_changed",
G_CALLBACK (ratio_callback),
resize);
spinbutton =
gimp_spin_button_new (&private->ratio_y_adj,
resize->ratio_y,
(double) GIMP_MIN_IMAGE_SIZE / (double) resize->height,
(double) GIMP_MAX_IMAGE_SIZE / (double) resize->height,
0.01, 0.1, 1,
0.01, 4);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
gtk_table_attach_defaults (GTK_TABLE (table2), spinbutton, 0, 1, 1, 2);
gtk_widget_show (spinbutton);
g_signal_connect (private->ratio_y_adj, "value_changed",
G_CALLBACK (ratio_callback),
resize);
/* the constrain ratio chainbutton */
private->constrain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (private->constrain), TRUE);
gtk_table_attach (GTK_TABLE (table2), private->constrain, 1, 2, 0, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (private->constrain);
gimp_help_set_help_data (GIMP_CHAIN_BUTTON (private->constrain)->button,
_("Constrain aspect ratio"), NULL);
gtk_widget_show (vbox);
/* the offset frame */
if (type == ResizeWidget)
{
GtkWidget *button;
GtkWidget *abox;
frame = gtk_frame_new (_("Offset"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
/* the offset sizeentry */
spinbutton = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 1,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
private->offset_se = gimp_size_entry_new (1, unit, "%a",
TRUE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
gtk_table_set_col_spacing (GTK_TABLE (private->offset_se), 0, 4);
gtk_table_set_col_spacing (GTK_TABLE (private->offset_se), 1, 4);
gtk_table_set_col_spacing (GTK_TABLE (private->offset_se), 3, 8);
gtk_table_set_row_spacing (GTK_TABLE (private->offset_se), 0, 2);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (private->offset_se),
GTK_SPIN_BUTTON (spinbutton), NULL);
gtk_table_attach_defaults (GTK_TABLE (private->offset_se), spinbutton,
1, 2, 0, 1);
gtk_widget_show (spinbutton);
gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (private->offset_se),
_("_X:"), 0, 0, 1.0);
gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (private->offset_se),
_("_Y:"), 1, 0, 1.0);
gtk_box_pack_start (GTK_BOX (vbox), private->offset_se, FALSE, FALSE, 0);
gtk_widget_show (private->offset_se);
if (dot_for_dot)
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (private->offset_se),
GIMP_UNIT_PIXEL);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->offset_se), 0,
resolution_x, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->offset_se), 1,
resolution_y, FALSE);
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (private->offset_se), 0, 0, 0);
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (private->offset_se), 1, 0, 0);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset_se), 0, 0);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset_se), 1, 0);
g_signal_connect (private->offset_se, "value_changed",
G_CALLBACK (offset_update),
resize);
button = gtk_button_new_with_mnemonic (_("C_enter"));
gtk_misc_set_padding (GTK_MISC (GTK_BIN (button)->child), 4, 0);
gtk_table_attach_defaults (GTK_TABLE (private->offset_se), button,
4, 5, 1, 2);
gtk_widget_show (button);
g_signal_connect (button, "clicked",
G_CALLBACK (offset_center_clicked),
resize);
/* frame to hold GimpOffsetArea */
abox = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (vbox), abox, FALSE, FALSE, 0);
gtk_widget_show (abox);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (abox), frame);
private->offset_area = gimp_offset_area_new (private->old_width,
private->old_height);
gtk_container_add (GTK_CONTAINER (frame), private->offset_area);
gtk_widget_show (private->offset_area);
g_signal_connect (private->offset_area, "offsets_changed",
G_CALLBACK (offset_area_offsets_changed),
resize);
gtk_widget_show (frame);
}
/* the resolution stuff */
if ((type == ScaleWidget) && (resize->target == ResizeImage))
{
frame = gtk_frame_new (_("Print Size & Display Unit"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
gtk_container_add (GTK_CONTAINER (frame), vbox);
table = gtk_table_new (4, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_table_set_row_spacing (GTK_TABLE (table), 1, 4);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
/* the print size labels */
label = gtk_label_new (_("New Width:"));
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 | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Height:"));
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 | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* the print size sizeentry */
hbox = gtk_hbox_new (FALSE, 0);
gtk_table_attach (GTK_TABLE (table), hbox, 1, 2, 0, 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (hbox);
spinbutton = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 1,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
gtk_box_pack_start (GTK_BOX (hbox), spinbutton, FALSE, FALSE, 0);
gtk_widget_show (spinbutton);
hbox = gtk_hbox_new (FALSE, 0);
gtk_table_attach (GTK_TABLE (table), hbox, 1, 2, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (hbox);
private->printsize_se = gimp_size_entry_new (1, unit, "%a",
FALSE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
gtk_table_set_col_spacing (GTK_TABLE (private->printsize_se), 1, 4);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (private->printsize_se),
GTK_SPIN_BUTTON (spinbutton), NULL);
gtk_box_pack_start (GTK_BOX (hbox),
private->printsize_se, FALSE, FALSE, 0);
gtk_widget_show (private->printsize_se);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->printsize_se),
0, resolution_x, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->printsize_se),
1, resolution_y, FALSE);
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (private->printsize_se),
0, GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (private->printsize_se),
1, GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->printsize_se),
0, resize->width);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->printsize_se),
1, resize->height);
g_signal_connect (private->printsize_se, "value_changed",
G_CALLBACK (printsize_update),
resize);
g_signal_connect (private->printsize_se, "unit_changed",
G_CALLBACK (unit_update),
resize);
/* the resolution labels */
label = gtk_label_new (_("Resolution X:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 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, 3, 4,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* the resolution sizeentry */
spinbutton = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 1,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
private->resolution_se =
gimp_size_entry_new (1, config->default_image->resolution_unit,
_("pixels/%a"),
FALSE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_RESOLUTION);
gtk_table_set_col_spacing (GTK_TABLE (private->resolution_se), 1, 2);
gtk_table_set_col_spacing (GTK_TABLE (private->resolution_se), 2, 2);
gtk_table_set_row_spacing (GTK_TABLE (private->resolution_se), 0, 2);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (private->resolution_se),
GTK_SPIN_BUTTON (spinbutton), NULL);
gtk_table_attach_defaults (GTK_TABLE (private->resolution_se), spinbutton,
1, 2, 0, 1);
gtk_widget_show (spinbutton);
gtk_table_attach (GTK_TABLE (table), private->resolution_se, 1, 2, 2, 4,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (private->resolution_se);
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (private->resolution_se),
0, GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (private->resolution_se),
1, GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->resolution_se),
0, resize->resolution_x);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->resolution_se),
1, resize->resolution_y);
g_signal_connect (private->resolution_se, "value_changed",
G_CALLBACK (resolution_callback),
resize);
/* the resolution chainbutton */
private->equal_res = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gimp_chain_button_set_active
(GIMP_CHAIN_BUTTON (private->equal_res),
ABS (resize->resolution_x - resize->resolution_y) < 1e-5);
gtk_table_attach_defaults (GTK_TABLE (private->resolution_se),
private->equal_res, 2, 3, 0, 2);
gtk_widget_show (private->equal_res);
gtk_widget_show (table);
gtk_widget_show (vbox);
}
/* the interpolation menu */
if (type == ScaleWidget)
{
GtkWidget *hbox;
GtkWidget *option_menu;
hbox = gtk_hbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new (_("Interpolation:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
private->interpolation_menu = option_menu =
gimp_enum_option_menu_new (GIMP_TYPE_INTERPOLATION_TYPE,
G_CALLBACK (gimp_menu_item_update),
&resize->interpolation);
gimp_int_option_menu_set_history (GTK_OPTION_MENU (option_menu),
resize->interpolation);
gtk_box_pack_start (GTK_BOX (hbox), option_menu,
FALSE, FALSE, 0);
gtk_widget_show (option_menu);
if (gimp_image_base_type (resize->gimage) == GIMP_INDEXED)
{
label = gtk_label_new (_("Indexed color layers are always scaled "
"without interpolation. The chosen "
"interpolation type will affect scaling "
"channels and masks only."));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_box_pack_start (GTK_BOX (main_vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
}
}
gtk_widget_show (main_vbox);
/* finally, activate the first entry */
gimp_size_entry_grab_focus (GIMP_SIZE_ENTRY (private->size_se));
return resize;
}
static gint
resize_bound_off_x (Resize *resize,
gint off_x)
{
ResizePrivate *private;
private = (ResizePrivate *) resize;
if (private->old_width <= resize->width)
off_x = CLAMP (off_x, 0, (resize->width - private->old_width));
else
off_x = CLAMP (off_x, (resize->width - private->old_width), 0);
return off_x;
}
static gint
resize_bound_off_y (Resize *resize,
gint off_y)
{
ResizePrivate *private;
private = (ResizePrivate *) resize;
if (private->old_height <= resize->height)
off_y = CLAMP (off_y, 0, (resize->height - private->old_height));
else
off_y = CLAMP (off_y, (resize->height - private->old_height), 0);
return off_y;
}
static void
orig_labels_update (GtkWidget *widget,
gpointer data)
{
Resize *resize;
ResizePrivate *private;
GimpUnit unit;
gchar format_buf[16];
gchar buf[32];
static GimpUnit label_unit = GIMP_UNIT_PIXEL;
resize = (Resize *) data;
private = (ResizePrivate *) resize;
unit = gimp_size_entry_get_unit (GIMP_SIZE_ENTRY (widget));
if (unit != GIMP_UNIT_PERCENT)
label_unit = unit;
if (label_unit) /* unit != GIMP_UNIT_PIXEL */
{
gdouble unit_factor = gimp_unit_get_factor (label_unit);
g_snprintf (format_buf, sizeof (format_buf), "%%.%df %s",
gimp_unit_get_digits (label_unit) + 1,
gimp_unit_get_symbol (label_unit));
g_snprintf (buf, sizeof (buf), format_buf,
private->old_width * unit_factor / private->old_res_x);
gtk_label_set_text (GTK_LABEL (private->orig_width_label), buf);
g_snprintf (buf, sizeof (buf), format_buf,
private->old_height * unit_factor / private->old_res_y);
gtk_label_set_text (GTK_LABEL (private->orig_height_label), buf);
}
else /* unit == GIMP_UNIT_PIXEL */
{
g_snprintf (buf, sizeof (buf), "%d", private->old_width);
gtk_label_set_text (GTK_LABEL (private->orig_width_label), buf);
g_snprintf (buf, sizeof (buf), "%d", private->old_height);
gtk_label_set_text (GTK_LABEL (private->orig_height_label), buf);
}
}
static void
unit_update (GtkWidget *widget,
gpointer data)
{
Resize *resize;
resize = (Resize *) data;
resize->unit = gimp_size_entry_get_unit (GIMP_SIZE_ENTRY (widget));
}
static void
offset_update (GtkWidget *widget,
gpointer data)
{
Resize *resize;
ResizePrivate *private;
resize = (Resize *) data;
private = (ResizePrivate *) resize;
resize->offset_x = resize_bound_off_x (resize,
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->offset_se), 0)));
resize->offset_y = resize_bound_off_y (resize,
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->offset_se), 1)));
gimp_offset_area_set_offsets (GIMP_OFFSET_AREA (private->offset_area),
resize->offset_x, resize->offset_y);
}
static void
offset_center_clicked (GtkWidget *widget,
gpointer data)
{
Resize *resize;
ResizePrivate *private;
gint off_x, off_y;
resize = (Resize *) data;
private = (ResizePrivate *) resize;
off_x = resize_bound_off_x (resize,
(resize->width - private->old_width) / 2);
off_y = resize_bound_off_y (resize,
(resize->height - private->old_height) / 2);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset_se), 0, off_x);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset_se), 1, off_y);
g_signal_emit_by_name (private->offset_se, "value_changed", 0);
}
static void
response_callback (GtkWidget *widget,
gint response_id,
Resize *resize)
{
ResizePrivate *private = (ResizePrivate *) resize;
switch (response_id)
{
case RESIZE_RESPONSE_RESET:
/* restore size and ratio settings */
size_update (resize, private->old_width, private->old_height, 1.0, 1.0);
if ((resize->type == ScaleWidget) && (resize->target == ResizeImage))
{
/* restore resolution settings */
resolution_update (resize, private->old_res_x, private->old_res_y);
}
if (resize->type == ScaleWidget)
{
resize->interpolation =
resize->gimage->gimp->config->interpolation_type;
gimp_int_option_menu_set_history (GTK_OPTION_MENU (private->interpolation_menu),
resize->interpolation);
}
break;
case GTK_RESPONSE_OK:
private->ok_callback (widget, private->ok_data);
break;
default:
gtk_widget_destroy (widget);
break;
}
}
static void
size_callback (GtkWidget *widget,
Resize *resize)
{
ResizePrivate *private = (ResizePrivate *) resize;
gdouble width;
gdouble height;
gdouble ratio_x;
gdouble ratio_y;
width = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->size_se), 0);
height = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->size_se), 1);
ratio_x = width / (gdouble) private->old_width;
ratio_y = height / (gdouble) private->old_height;
if (gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (private->constrain)))
{
if (ratio_x != resize->ratio_x)
{
ratio_y = ratio_x;
height = (gdouble) private->old_height * ratio_y;
height = CLAMP (height, GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
}
else
{
ratio_x = ratio_y;
width = (gdouble) private->old_width * ratio_x;
width = CLAMP (width, GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
}
}
size_update (resize, width, height, ratio_x, ratio_y);
}
static void
ratio_callback (GtkWidget *widget,
Resize *resize)
{
ResizePrivate *private = (ResizePrivate *) resize;
gdouble width;
gdouble height;
gdouble ratio_x;
gdouble ratio_y;
ratio_x = GTK_ADJUSTMENT (private->ratio_x_adj)->value;
ratio_y = GTK_ADJUSTMENT (private->ratio_y_adj)->value;
if (gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (private->constrain)))
{
if (ratio_x != resize->ratio_x)
{
ratio_y = ratio_x;
}
else
{
ratio_x = ratio_y;
}
}
width = CLAMP (private->old_width * ratio_x,
GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
height = CLAMP (private->old_height * ratio_y,
GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
size_update (resize, width, height, ratio_x, ratio_y);
}
static void
size_update (Resize *resize,
double width,
double height,
double ratio_x,
double ratio_y)
{
ResizePrivate *private;
private = (ResizePrivate *) resize;
resize->width = (gint) (width + 0.5);
resize->height = (gint) (height + 0.5);
resize->ratio_x = ratio_x;
resize->ratio_y = ratio_y;
if (private->offset_area)
gimp_offset_area_set_size (GIMP_OFFSET_AREA (private->offset_area),
resize->width, resize->height);
g_signal_handlers_block_by_func (private->size_se,
size_callback,
resize);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->size_se),
0, width);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->size_se),
1, height);
g_signal_handlers_unblock_by_func (private->size_se,
size_callback,
resize);
g_signal_handlers_block_by_func (private->ratio_x_adj,
ratio_callback,
resize);
g_signal_handlers_block_by_func (private->ratio_y_adj,
ratio_callback,
resize);
gtk_adjustment_set_value (GTK_ADJUSTMENT (private->ratio_x_adj), ratio_x);
gtk_adjustment_set_value (GTK_ADJUSTMENT (private->ratio_y_adj), ratio_y);
g_signal_handlers_unblock_by_func (private->ratio_x_adj,
ratio_callback,
resize);
g_signal_handlers_unblock_by_func (private->ratio_y_adj,
ratio_callback,
resize);
if (resize->type == ResizeWidget)
{
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (private->offset_se), 0,
MIN (0, resize->width - private->old_width),
MAX (0, resize->width - private->old_width));
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (private->offset_se), 1,
MIN (0, resize->height - private->old_height),
MAX (0, resize->height - private->old_height));
}
if ((resize->type == ScaleWidget) && (resize->target == ResizeImage))
{
g_signal_handlers_block_by_func (private->printsize_se,
printsize_update,
resize);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->printsize_se),
0, width);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->printsize_se),
1, height);
g_signal_handlers_unblock_by_func (private->printsize_se,
printsize_update,
resize);
}
}
static void
offset_area_offsets_changed (GtkWidget *offset_area,
gint offset_x,
gint offset_y,
gpointer data)
{
Resize *resize;
ResizePrivate *private;
resize = (Resize *) data;
private = (ResizePrivate *) resize;
resize->offset_x = offset_x;
resize->offset_y = offset_y;
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset_se),
0, resize->offset_x);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset_se),
1, resize->offset_y);
}
static void
printsize_update (GtkWidget *widget,
gpointer data)
{
Resize *resize;
ResizePrivate *private;
gdouble width;
gdouble height;
gdouble print_width;
gdouble print_height;
gdouble res_x;
gdouble res_y;
resize = (Resize *) data;
private = (ResizePrivate *) resize;
width = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->size_se), 0);
height = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->size_se), 1);
print_width =
gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->printsize_se), 0);
print_height =
gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->printsize_se), 1);
/* this is tricky: we use the sizes in pixels (which is otherwise
* meaningless for the "print size" widgets) to calculate the new
* resolution.
*/
res_x = CLAMP (resize->resolution_x * width / print_width,
GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
res_y = CLAMP (resize->resolution_y * height / print_height,
GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
if (gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (private->equal_res)))
{
if (res_x != resize->resolution_x)
{
res_y = res_x;
}
else
{
res_x = res_y;
}
}
resize->resolution_x = res_x;
resize->resolution_y = res_y;
g_signal_handlers_block_by_func (private->resolution_se,
resolution_callback,
resize);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->resolution_se),
0, res_x);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->resolution_se),
1, res_y);
g_signal_handlers_unblock_by_func (private->resolution_se,
resolution_callback,
resize);
g_signal_handlers_block_by_func (private->size_se,
size_callback,
resize);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->size_se),
0, res_x, TRUE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->size_se),
1, res_y, TRUE);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->size_se),
0, width);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->size_se),
1, height);
g_signal_handlers_unblock_by_func (private->size_se,
size_callback,
resize);
g_signal_handlers_block_by_func (private->printsize_se,
printsize_update,
resize);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->printsize_se),
0, res_x, TRUE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->printsize_se),
1, res_y, TRUE);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->printsize_se),
0, width);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->printsize_se),
1, height);
g_signal_handlers_unblock_by_func (private->printsize_se,
printsize_update,
resize);
}
/* Callback for resolution change. */
static void
resolution_callback (GtkWidget *widget,
gpointer data)
{
Resize *resize;
ResizePrivate *private;
gdouble res_x;
gdouble res_y;
resize = (Resize *) data;
private = (ResizePrivate *) resize;
res_x =
gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->resolution_se), 0);
res_y =
gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (private->resolution_se), 1);
if (gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (private->equal_res)))
{
if (res_x != resize->resolution_x)
{
res_y = res_x;
}
else
{
res_x = res_y;
}
}
resolution_update (resize, res_x, res_y);
}
/* Update widgets with resolution settings found in given Resize struct. */
static void
resolution_update (Resize *resize,
gdouble res_x,
gdouble res_y)
{
ResizePrivate *private;
private = (ResizePrivate *) resize;
resize->resolution_x = res_x;
resize->resolution_y = res_y;
g_signal_handlers_block_by_func (private->resolution_se,
resolution_callback,
resize);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->resolution_se),
0, res_x);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->resolution_se),
1, res_y);
g_signal_handlers_unblock_by_func (private->resolution_se,
resolution_callback,
resize);
g_signal_handlers_block_by_func (private->size_se,
size_callback,
resize);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->size_se),
0, res_x, TRUE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->size_se),
1, res_y, TRUE);
g_signal_handlers_unblock_by_func (private->size_se,
size_callback,
resize);
g_signal_handlers_block_by_func (private->printsize_se,
printsize_update,
resize);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->printsize_se),
0, res_x, TRUE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (private->printsize_se),
1, res_y, TRUE);
g_signal_handlers_unblock_by_func (private->printsize_se,
printsize_update,
resize);
}
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