gimp/app/dialogs/convert-precision-dialog.c

289 lines
9.6 KiB
C

/* GIMP - The GNU 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "dialogs-types.h"
#include "gegl/gimp-gegl-utils.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-convert-precision.h"
#include "core/gimplist.h"
#include "core/gimpprogress.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpviewablebox.h"
#include "widgets/gimpviewabledialog.h"
#include "widgets/gimpwidgets-utils.h"
#include "convert-precision-dialog.h"
#include "gimp-intl.h"
typedef struct
{
GtkWidget *dialog;
GimpImage *image;
GimpProgress *progress;
GimpContext *context;
GimpPrecision precision;
gint layer_dither_type;
gint text_layer_dither_type;
gint mask_dither_type;
} ConvertDialog;
static void convert_precision_dialog_response (GtkWidget *widget,
gint response_id,
ConvertDialog *dialog);
static void convert_precision_dialog_free (ConvertDialog *dialog);
/* defaults */
static gint saved_layer_dither_type = 0;
static gint saved_text_layer_dither_type = 0;
static gint saved_mask_dither_type = 0;
/* public functions */
GtkWidget *
convert_precision_dialog_new (GimpImage *image,
GimpContext *context,
GtkWidget *parent,
GimpPrecision precision,
GimpProgress *progress)
{
ConvertDialog *dialog;
GtkWidget *button;
GtkWidget *main_vbox;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *frame;
GtkWidget *combo;
GtkSizeGroup *size_group;
const gchar *enum_desc;
gchar *blurb;
GType dither_type;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (GTK_IS_WIDGET (parent), NULL);
g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), NULL);
dialog = g_slice_new0 (ConvertDialog);
dialog->image = image;
dialog->precision = precision;
dialog->progress = progress;
dialog->layer_dither_type = saved_layer_dither_type;
dialog->text_layer_dither_type = saved_text_layer_dither_type;
dialog->mask_dither_type = saved_mask_dither_type;
gimp_enum_get_value (GIMP_TYPE_PRECISION, precision,
NULL, NULL, &enum_desc, NULL);
blurb = g_strdup_printf (_("Convert Image to %s"), enum_desc);
dialog->dialog =
gimp_viewable_dialog_new (GIMP_VIEWABLE (image), context,
_("Precision Conversion"),
"gimp-image-convert-precision",
GIMP_STOCK_CONVERT_PRECISION,
blurb,
parent,
gimp_standard_help_func,
GIMP_HELP_IMAGE_CONVERT_PRECISION,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
NULL);
g_free (blurb);
button = gtk_dialog_add_button (GTK_DIALOG (dialog->dialog),
_("C_onvert"), GTK_RESPONSE_OK);
gtk_button_set_image (GTK_BUTTON (button),
gtk_image_new_from_icon_name (GIMP_STOCK_CONVERT_PRECISION,
GTK_ICON_SIZE_BUTTON));
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog->dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_window_set_resizable (GTK_WINDOW (dialog->dialog), FALSE);
g_object_weak_ref (G_OBJECT (dialog->dialog),
(GWeakNotify) convert_precision_dialog_free, dialog);
g_signal_connect (dialog->dialog, "response",
G_CALLBACK (convert_precision_dialog_response),
dialog);
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog->dialog))),
main_vbox, TRUE, TRUE, 0);
gtk_widget_show (main_vbox);
/* dithering */
dither_type = gimp_gegl_get_op_enum_type ("gegl:color-reduction",
"dither-strategy");
frame = gimp_frame_new (_("Dithering"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
/* layers */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("_Layers:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_size_group_add_widget (size_group, label);
gtk_widget_show (label);
combo = gimp_enum_combo_box_new (dither_type);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
dialog->layer_dither_type,
G_CALLBACK (gimp_int_combo_box_get_active),
&dialog->layer_dither_type);
/* text layers */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("_Text Layers:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_size_group_add_widget (size_group, label);
gtk_widget_show (label);
combo = gimp_enum_combo_box_new (dither_type);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
dialog->text_layer_dither_type,
G_CALLBACK (gimp_int_combo_box_get_active),
&dialog->text_layer_dither_type);
gimp_help_set_help_data (combo,
_("Dithering text layers will make them uneditable"),
NULL);
/* channels */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("_Channels and Masks:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_size_group_add_widget (size_group, label);
gtk_widget_show (label);
combo = gimp_enum_combo_box_new (dither_type);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
dialog->mask_dither_type,
G_CALLBACK (gimp_int_combo_box_get_active),
&dialog->mask_dither_type);
g_object_unref (size_group);
return dialog->dialog;
}
/* private functions */
static void
convert_precision_dialog_response (GtkWidget *widget,
gint response_id,
ConvertDialog *dialog)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpProgress *progress;
progress = gimp_progress_start (dialog->progress,
_("Converting to lower bit depth"), FALSE);
gimp_image_convert_precision (dialog->image,
dialog->precision,
dialog->layer_dither_type,
dialog->text_layer_dither_type,
dialog->mask_dither_type,
progress);
if (progress)
gimp_progress_end (progress);
gimp_image_flush (dialog->image);
/* Save defaults for next time */
saved_layer_dither_type = dialog->layer_dither_type;
saved_mask_dither_type = dialog->mask_dither_type;
}
gtk_widget_destroy (dialog->dialog);
}
static void
convert_precision_dialog_free (ConvertDialog *dialog)
{
g_slice_free (ConvertDialog, dialog);
}