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gimp/app/dialogs/convert-indexed-dialog.c
Sabri Ünal 2e766f67d4 Missing mnemonics on several dialogs 
paste as brush, paste as pattern, select to new brush, select to new pattern
fill selection outline, fill path, stroke selection, distort, rounded rectangle
indexed color conversion, merge visible layers, new guide, new guide (by percent)
image properties, newsprint, fractal explorer, sample colorize, new layer

metadata editor (just a button), spyroplus (only common buttons)
2019-09-05 22:41:19 +03:00

435 lines
15 KiB
C
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/* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "dialogs-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer-filter.h"
#include "core/gimpcontext.h"
#include "core/gimpdatafactory.h"
#include "core/gimpimage.h"
#include "core/gimplist.h"
#include "core/gimppalette.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpviewablebox.h"
#include "widgets/gimpviewabledialog.h"
#include "widgets/gimpwidgets-utils.h"
#include "convert-indexed-dialog.h"
#include "gimp-intl.h"
typedef struct _IndexedDialog IndexedDialog;
struct _IndexedDialog
{
GimpImage *image;
GimpConvertPaletteType palette_type;
gint max_colors;
gboolean remove_duplicates;
GimpConvertDitherType dither_type;
gboolean dither_alpha;
gboolean dither_text_layers;
GimpPalette *custom_palette;
GimpConvertIndexedCallback callback;
gpointer user_data;
GtkWidget *dialog;
GimpContext *context;
GimpContainer *container;
GtkWidget *duplicates_toggle;
};
static void convert_dialog_free (IndexedDialog *private);
static void convert_dialog_response (GtkWidget *widget,
gint response_id,
IndexedDialog *private);
static GtkWidget * convert_dialog_palette_box (IndexedDialog *private);
static gboolean convert_dialog_palette_filter (GimpObject *object,
gpointer user_data);
static void convert_dialog_palette_changed (GimpContext *context,
GimpPalette *palette,
IndexedDialog *private);
static void convert_dialog_type_update (GtkWidget *widget,
IndexedDialog *private);
/* public functions */
GtkWidget *
convert_indexed_dialog_new (GimpImage *image,
GimpContext *context,
GtkWidget *parent,
GimpConvertPaletteType palette_type,
gint max_colors,
gboolean remove_duplicates,
GimpConvertDitherType dither_type,
gboolean dither_alpha,
gboolean dither_text_layers,
GimpPalette *custom_palette,
GimpConvertIndexedCallback callback,
gpointer user_data)
{
IndexedDialog *private;
GtkWidget *dialog;
GtkWidget *button;
GtkWidget *main_vbox;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *label;
GtkAdjustment *adjustment;
GtkWidget *spinbutton;
GtkWidget *frame;
GtkWidget *toggle;
GtkWidget *palette_box;
GtkWidget *combo;
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 (custom_palette == NULL ||
GIMP_IS_PALETTE (custom_palette), NULL);
g_return_val_if_fail (callback != NULL, NULL);
private = g_slice_new0 (IndexedDialog);
private->image = image;
private->palette_type = palette_type;
private->max_colors = max_colors;
private->remove_duplicates = remove_duplicates;
private->dither_type = dither_type;
private->dither_alpha = dither_alpha;
private->dither_text_layers = dither_text_layers;
private->custom_palette = custom_palette;
private->callback = callback;
private->user_data = user_data;
private->dialog = dialog =
gimp_viewable_dialog_new (GIMP_VIEWABLE (image), context,
_("Indexed Color Conversion"),
"gimp-image-convert-indexed",
GIMP_ICON_CONVERT_INDEXED,
_("Convert Image to Indexed Colors"),
parent,
gimp_standard_help_func,
GIMP_HELP_IMAGE_CONVERT_INDEXED,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("C_onvert"), GTK_RESPONSE_OK,
NULL);
gimp_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
g_object_weak_ref (G_OBJECT (dialog),
(GWeakNotify) convert_dialog_free, private);
g_signal_connect (dialog, "response",
G_CALLBACK (convert_dialog_response),
private);
palette_box = convert_dialog_palette_box (private);
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))),
main_vbox, TRUE, TRUE, 0);
gtk_widget_show (main_vbox);
/* palette */
frame =
gimp_enum_radio_frame_new_with_range (GIMP_TYPE_CONVERT_PALETTE_TYPE,
GIMP_CONVERT_PALETTE_GENERATE,
(palette_box ?
GIMP_CONVERT_PALETTE_CUSTOM :
GIMP_CONVERT_PALETTE_MONO),
gtk_label_new (_("Colormap")),
G_CALLBACK (convert_dialog_type_update),
private, NULL,
&button);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button),
private->palette_type);
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
/* max n_colors */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gimp_enum_radio_frame_add (GTK_FRAME (frame), hbox,
GIMP_CONVERT_PALETTE_GENERATE, TRUE);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("_Maximum number of colors:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
if (private->max_colors == 256 && gimp_image_has_alpha (image))
private->max_colors = 255;
adjustment = gtk_adjustment_new (private->max_colors, 2, 256, 1, 8, 0);
spinbutton = gimp_spin_button_new (adjustment, 1.0, 0);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinbutton);
gtk_box_pack_start (GTK_BOX (hbox), spinbutton, FALSE, FALSE, 0);
gtk_widget_show (spinbutton);
g_signal_connect (adjustment, "value-changed",
G_CALLBACK (gimp_int_adjustment_update),
&private->max_colors);
/* custom palette */
if (palette_box)
{
gimp_enum_radio_frame_add (GTK_FRAME (frame), palette_box,
GIMP_CONVERT_PALETTE_CUSTOM, TRUE);
gtk_widget_show (palette_box);
}
vbox = gtk_bin_get_child (GTK_BIN (frame));
private->duplicates_toggle = toggle =
gtk_check_button_new_with_mnemonic (_("_Remove unused and duplicate "
"colors from colormap"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
private->remove_duplicates);
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 3);
gtk_widget_show (toggle);
if (private->palette_type == GIMP_CONVERT_PALETTE_GENERATE ||
private->palette_type == GIMP_CONVERT_PALETTE_MONO)
gtk_widget_set_sensitive (toggle, FALSE);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&private->remove_duplicates);
/* dithering */
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);
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 (_("Color _dithering:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
combo = gimp_enum_combo_box_new (GIMP_TYPE_CONVERT_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),
private->dither_type,
G_CALLBACK (gimp_int_combo_box_get_active),
&private->dither_type, NULL);
toggle =
gtk_check_button_new_with_mnemonic (_("Enable dithering of _transparency"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
private->dither_alpha);
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&private->dither_alpha);
toggle =
gtk_check_button_new_with_mnemonic (_("Enable dithering of text _layers"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
private->dither_text_layers);
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&private->dither_text_layers);
gimp_help_set_help_data (toggle,
_("Dithering text layers will make them uneditable"),
NULL);
return dialog;
}
/* private functions */
static void
convert_dialog_free (IndexedDialog *private)
{
if (private->container)
g_object_unref (private->container);
if (private->context)
g_object_unref (private->context);
g_slice_free (IndexedDialog, private);
}
static void
convert_dialog_response (GtkWidget *dialog,
gint response_id,
IndexedDialog *private)
{
if (response_id == GTK_RESPONSE_OK)
{
private->callback (dialog,
private->image,
private->palette_type,
private->max_colors,
private->remove_duplicates,
private->dither_type,
private->dither_alpha,
private->dither_text_layers,
private->custom_palette,
private->user_data);
}
else
{
gtk_widget_destroy (dialog);
}
}
static GtkWidget *
convert_dialog_palette_box (IndexedDialog *private)
{
Gimp *gimp = private->image->gimp;
GList *list;
GimpPalette *web_palette = NULL;
gboolean custom_found = FALSE;
/* We can't dither to > 256 colors */
private->container =
gimp_container_filter (gimp_data_factory_get_container (gimp->palette_factory),
convert_dialog_palette_filter,
NULL);
if (gimp_container_is_empty (private->container))
{
g_object_unref (private->container);
private->container = NULL;
return NULL;
}
private->context = gimp_context_new (gimp, "convert-dialog", NULL);
for (list = GIMP_LIST (private->container)->queue->head;
list;
list = g_list_next (list))
{
GimpPalette *palette = list->data;
/* Preferentially, the initial default is 'Web' if available */
if (web_palette == NULL &&
g_ascii_strcasecmp (gimp_object_get_name (palette), "Web") == 0)
{
web_palette = palette;
}
if (private->custom_palette == palette)
custom_found = TRUE;
}
if (! custom_found)
{
if (web_palette)
private->custom_palette = web_palette;
else
private->custom_palette = GIMP_LIST (private->container)->queue->head->data;
}
gimp_context_set_palette (private->context, private->custom_palette);
g_signal_connect (private->context, "palette-changed",
G_CALLBACK (convert_dialog_palette_changed),
private);
return gimp_palette_box_new (private->container, private->context, NULL, 4);
}
static gboolean
convert_dialog_palette_filter (GimpObject *object,
gpointer user_data)
{
GimpPalette *palette = GIMP_PALETTE (object);
return (gimp_palette_get_n_colors (palette) > 0 &&
gimp_palette_get_n_colors (palette) <= 256);
}
static void
convert_dialog_palette_changed (GimpContext *context,
GimpPalette *palette,
IndexedDialog *private)
{
if (! palette)
return;
if (gimp_palette_get_n_colors (palette) > 256)
{
gimp_message (private->image->gimp, G_OBJECT (private->dialog),
GIMP_MESSAGE_WARNING,
_("Cannot convert to a palette "
"with more than 256 colors."));
}
else
{
private->custom_palette = palette;
}
}
static void
convert_dialog_type_update (GtkWidget *widget,
IndexedDialog *private)
{
gimp_radio_button_update (widget, &private->palette_type);
if (private->duplicates_toggle)
gtk_widget_set_sensitive (private->duplicates_toggle,
private->palette_type !=
GIMP_CONVERT_PALETTE_GENERATE &&
private->palette_type !=
GIMP_CONVERT_PALETTE_MONO);
}
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