888 lines
30 KiB
C
888 lines
30 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikamath/pikamath.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "dialogs-types.h"
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#include "core/pika.h"
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#include "core/pikacontainer.h"
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#include "core/pikacontext.h"
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#include "core/pikadatafactory.h"
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#include "core/pikadrawable.h"
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#include "core/pikagradient.h"
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#include "core/pikaimage.h"
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#include "core/pikapalette.h"
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#include "core/pikapalette-import.h"
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#include "widgets/pikacontainercombobox.h"
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#include "widgets/pikadnd.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikaview.h"
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#include "widgets/pikawidgets-utils.h"
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#include "palette-import-dialog.h"
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#include "pika-intl.h"
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typedef enum
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{
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GRADIENT_IMPORT,
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IMAGE_IMPORT,
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FILE_IMPORT
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} ImportType;
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typedef struct _ImportDialog ImportDialog;
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struct _ImportDialog
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{
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GtkWidget *dialog;
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ImportType import_type;
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PikaContext *context;
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PikaImage *image;
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PikaPalette *palette;
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GtkWidget *gradient_radio;
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GtkWidget *image_radio;
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GtkWidget *file_radio;
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GtkWidget *gradient_combo;
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GtkWidget *image_combo;
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GtkWidget *file_chooser;
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GtkWidget *sample_merged_toggle;
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GtkWidget *selection_only_toggle;
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GtkWidget *entry;
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GtkWidget *num_colors;
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GtkWidget *columns;
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GtkWidget *threshold;
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GtkWidget *preview;
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GtkWidget *no_colors_label;
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};
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static void palette_import_free (ImportDialog *private);
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static void palette_import_response (GtkWidget *dialog,
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gint response_id,
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ImportDialog *private);
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static void palette_import_gradient_changed (PikaContext *context,
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PikaGradient *gradient,
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ImportDialog *private);
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static void palette_import_image_changed (PikaContext *context,
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PikaImage *image,
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ImportDialog *private);
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static void palette_import_layer_changed (PikaImage *image,
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ImportDialog *private);
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static void palette_import_mask_changed (PikaImage *image,
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ImportDialog *private);
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static void palette_import_filename_changed (GtkFileChooser *button,
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ImportDialog *private);
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static void import_dialog_drop_callback (GtkWidget *widget,
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gint x,
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gint y,
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PikaViewable *viewable,
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gpointer data);
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static void palette_import_grad_callback (GtkWidget *widget,
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ImportDialog *private);
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static void palette_import_image_callback (GtkWidget *widget,
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ImportDialog *private);
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static void palette_import_file_callback (GtkWidget *widget,
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ImportDialog *private);
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static void palette_import_columns_changed (PikaLabelSpin *columns,
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ImportDialog *private);
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static void palette_import_image_add (PikaContainer *container,
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PikaImage *image,
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ImportDialog *private);
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static void palette_import_image_remove (PikaContainer *container,
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PikaImage *image,
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ImportDialog *private);
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static void palette_import_make_palette (ImportDialog *private);
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/* public functions */
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GtkWidget *
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palette_import_dialog_new (PikaContext *context)
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{
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ImportDialog *private;
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PikaGradient *gradient;
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GtkWidget *dialog;
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GtkWidget *main_hbox;
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GtkWidget *frame;
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GtkWidget *vbox;
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GtkWidget *grid;
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GtkSizeGroup *size_group;
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GSList *group = NULL;
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g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
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gradient = pika_context_get_gradient (context);
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private = g_slice_new0 (ImportDialog);
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private->import_type = GRADIENT_IMPORT;
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private->context = pika_context_new (context->pika, "Palette Import",
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context);
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dialog = private->dialog =
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pika_dialog_new (_("Import a New Palette"),
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"pika-palette-import", NULL, 0,
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pika_standard_help_func,
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PIKA_HELP_PALETTE_IMPORT,
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_("_Cancel"), GTK_RESPONSE_CANCEL,
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_("_Import"), GTK_RESPONSE_OK,
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NULL);
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pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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g_object_weak_ref (G_OBJECT (dialog),
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(GWeakNotify) palette_import_free, private);
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g_signal_connect (dialog, "response",
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G_CALLBACK (palette_import_response),
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private);
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pika_dnd_viewable_dest_add (dialog,
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PIKA_TYPE_GRADIENT,
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import_dialog_drop_callback,
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private);
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pika_dnd_viewable_dest_add (dialog,
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PIKA_TYPE_IMAGE,
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import_dialog_drop_callback,
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private);
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main_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
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gtk_container_set_border_width (GTK_CONTAINER (main_hbox), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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main_hbox, TRUE, TRUE, 0);
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gtk_widget_show (main_hbox);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_box_pack_start (GTK_BOX (main_hbox), vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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/* The "Source" frame */
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frame = pika_frame_new (_("Select Source"));
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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grid = gtk_grid_new ();
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gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
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gtk_container_add (GTK_CONTAINER (frame), grid);
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gtk_widget_show (grid);
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private->gradient_radio =
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gtk_radio_button_new_with_mnemonic (group, _("_Gradient"));
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group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (private->gradient_radio));
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gtk_grid_attach (GTK_GRID (grid), private->gradient_radio, 0, 0, 1, 1);
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gtk_widget_show (private->gradient_radio);
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g_signal_connect (private->gradient_radio, "toggled",
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G_CALLBACK (palette_import_grad_callback),
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private);
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private->image_radio =
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gtk_radio_button_new_with_mnemonic (group, _("I_mage"));
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group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (private->image_radio));
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gtk_grid_attach (GTK_GRID (grid), private->image_radio, 0, 1, 1, 1);
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gtk_widget_show (private->image_radio);
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g_signal_connect (private->image_radio, "toggled",
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G_CALLBACK (palette_import_image_callback),
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private);
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gtk_widget_set_sensitive (private->image_radio,
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! pika_container_is_empty (context->pika->images));
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private->sample_merged_toggle =
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gtk_check_button_new_with_mnemonic (_("Sample _Merged"));
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (private->sample_merged_toggle),
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TRUE);
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gtk_grid_attach (GTK_GRID (grid), private->sample_merged_toggle, 1, 2, 1, 1);
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gtk_widget_show (private->sample_merged_toggle);
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g_signal_connect_swapped (private->sample_merged_toggle, "toggled",
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G_CALLBACK (palette_import_make_palette),
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private);
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private->selection_only_toggle =
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gtk_check_button_new_with_mnemonic (_("_Selected Pixels only"));
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (private->selection_only_toggle),
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FALSE);
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gtk_grid_attach (GTK_GRID (grid), private->selection_only_toggle, 1, 3, 1, 1);
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gtk_widget_show (private->selection_only_toggle);
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g_signal_connect_swapped (private->selection_only_toggle, "toggled",
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G_CALLBACK (palette_import_make_palette),
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private);
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private->file_radio =
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gtk_radio_button_new_with_mnemonic (group, _("Palette _file"));
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group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (private->image_radio));
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gtk_grid_attach (GTK_GRID (grid), private->file_radio, 0, 4, 1, 1);
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gtk_widget_show (private->file_radio);
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g_signal_connect (private->file_radio, "toggled",
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G_CALLBACK (palette_import_file_callback),
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private);
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size_group = gtk_size_group_new (GTK_SIZE_GROUP_VERTICAL);
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/* The gradient menu */
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private->gradient_combo =
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pika_container_combo_box_new (pika_data_factory_get_container (context->pika->gradient_factory),
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private->context, 24, 1);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 0,
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NULL, 0.0, 0.5, private->gradient_combo, 1);
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gtk_size_group_add_widget (size_group, private->gradient_combo);
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/* The image menu */
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private->image_combo =
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pika_container_combo_box_new (context->pika->images, private->context,
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24, 1);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 1,
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NULL, 0.0, 0.5, private->image_combo, 1);
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gtk_size_group_add_widget (size_group, private->image_combo);
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/* Palette file name entry */
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private->file_chooser = gtk_file_chooser_button_new (_("Select Palette File"),
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GTK_FILE_CHOOSER_ACTION_OPEN);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 4,
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NULL, 0.0, 0.5, private->file_chooser, 1);
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gtk_size_group_add_widget (size_group, private->file_chooser);
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g_object_unref (size_group);
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/* The "Import" frame */
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frame = pika_frame_new (_("Import Options"));
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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grid = gtk_grid_new ();
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gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
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gtk_container_add (GTK_CONTAINER (frame), grid);
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gtk_widget_show (grid);
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/* The source's name */
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private->entry = gtk_entry_new ();
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gtk_entry_set_text (GTK_ENTRY (private->entry),
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gradient ?
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pika_object_get_name (gradient) : _("New import"));
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 0,
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_("Palette _name:"), 0.0, 0.5,
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private->entry, 2);
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/* The # of colors */
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private->num_colors = pika_scale_entry_new (_("N_umber of colors:"),
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256, 2, 10000, 0);
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pika_grid_attach_aligned (GTK_GRID (grid), -1, 1,
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NULL, 0.0, 0.5,
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private->num_colors, 3);
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pika_scale_entry_set_logarithmic (PIKA_SCALE_ENTRY (private->num_colors), TRUE);
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g_signal_connect_swapped (private->num_colors,
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"value-changed",
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G_CALLBACK (palette_import_make_palette),
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private);
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/* The columns */
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private->columns = pika_scale_entry_new (_("C_olumns:"), 16, 0, 64, 0);
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pika_grid_attach_aligned (GTK_GRID (grid), -1, 2,
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NULL, 0.0, 0.5,
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private->columns, 3);
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g_signal_connect (private->columns, "value-changed",
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G_CALLBACK (palette_import_columns_changed),
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private);
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/* The interval */
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private->threshold = pika_scale_entry_new (_("I_nterval:"), 1, 1, 128, 0);
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pika_grid_attach_aligned (GTK_GRID (grid), -1, 3,
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NULL, 0.0, 0.5,
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private->threshold, 3);
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g_signal_connect_swapped (private->threshold, "value-changed",
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G_CALLBACK (palette_import_make_palette),
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private);
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/* The "Preview" frame */
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frame = pika_frame_new (_("Preview"));
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gtk_box_pack_start (GTK_BOX (main_hbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
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gtk_container_add (GTK_CONTAINER (frame), vbox);
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gtk_widget_show (vbox);
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private->preview = pika_view_new_full_by_types (private->context,
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PIKA_TYPE_VIEW,
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PIKA_TYPE_PALETTE,
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192, 192, 1,
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TRUE, FALSE, FALSE);
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gtk_widget_set_halign (private->preview, 0.0);
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gtk_box_pack_start (GTK_BOX (vbox), private->preview, FALSE, FALSE, 0);
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gtk_widget_show (private->preview);
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private->no_colors_label =
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gtk_label_new (_("The selected source contains no colors."));
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gtk_widget_set_size_request (private->no_colors_label, 194, -1);
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gtk_label_set_line_wrap (GTK_LABEL (private->no_colors_label), TRUE);
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pika_label_set_attributes (GTK_LABEL (private->no_colors_label),
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PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
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-1);
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gtk_box_pack_start (GTK_BOX (vbox), private->no_colors_label, FALSE, FALSE, 0);
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gtk_widget_show (private->no_colors_label);
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/* keep the dialog up-to-date */
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g_signal_connect (context->pika->images, "add",
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G_CALLBACK (palette_import_image_add),
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private);
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g_signal_connect (context->pika->images, "remove",
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G_CALLBACK (palette_import_image_remove),
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private);
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g_signal_connect (private->context, "gradient-changed",
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G_CALLBACK (palette_import_gradient_changed),
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private);
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g_signal_connect (private->context, "image-changed",
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G_CALLBACK (palette_import_image_changed),
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private);
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g_signal_connect (private->file_chooser, "selection-changed",
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G_CALLBACK (palette_import_filename_changed),
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private);
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palette_import_grad_callback (private->gradient_radio, private);
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return dialog;
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}
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/* private functions */
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static void
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palette_import_free (ImportDialog *private)
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{
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Pika *pika = private->context->pika;
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g_signal_handlers_disconnect_by_func (pika->images,
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palette_import_image_add,
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private);
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g_signal_handlers_disconnect_by_func (pika->images,
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palette_import_image_remove,
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private);
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if (private->palette)
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g_object_unref (private->palette);
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g_object_unref (private->context);
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g_slice_free (ImportDialog, private);
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}
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/* the palette import response callback ************************************/
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static void
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palette_import_response (GtkWidget *dialog,
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gint response_id,
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ImportDialog *private)
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{
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palette_import_image_changed (private->context, NULL, private);
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if (response_id == GTK_RESPONSE_OK)
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{
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Pika *pika = private->context->pika;
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if (private->palette &&
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pika_palette_get_n_colors (private->palette) > 0)
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{
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const gchar *name = gtk_entry_get_text (GTK_ENTRY (private->entry));
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if (name && *name)
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pika_object_set_name (PIKA_OBJECT (private->palette), name);
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pika_container_add (pika_data_factory_get_container (pika->palette_factory),
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PIKA_OBJECT (private->palette));
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}
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else
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{
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pika_message_literal (pika, G_OBJECT (dialog), PIKA_MESSAGE_ERROR,
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_("There is no palette to import."));
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return;
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}
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}
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gtk_widget_destroy (dialog);
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}
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/* functions to create & update the import dialog's gradient selection *****/
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static void
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palette_import_gradient_changed (PikaContext *context,
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PikaGradient *gradient,
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ImportDialog *private)
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{
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if (gradient && private->import_type == GRADIENT_IMPORT)
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{
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gtk_entry_set_text (GTK_ENTRY (private->entry),
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pika_object_get_name (gradient));
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palette_import_make_palette (private);
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}
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}
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static void
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palette_import_image_changed (PikaContext *context,
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PikaImage *image,
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ImportDialog *private)
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{
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if (private->image)
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{
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g_signal_handlers_disconnect_by_func (private->image,
|
|
palette_import_layer_changed,
|
|
private);
|
|
g_signal_handlers_disconnect_by_func (private->image,
|
|
palette_import_mask_changed,
|
|
private);
|
|
}
|
|
|
|
private->image = image;
|
|
|
|
if (private->import_type == IMAGE_IMPORT)
|
|
{
|
|
gboolean sensitive = FALSE;
|
|
|
|
if (image)
|
|
{
|
|
gchar *label;
|
|
|
|
label = g_strdup_printf ("%s-%d",
|
|
pika_image_get_display_name (image),
|
|
pika_image_get_id (image));
|
|
|
|
gtk_entry_set_text (GTK_ENTRY (private->entry), label);
|
|
g_free (label);
|
|
|
|
palette_import_make_palette (private);
|
|
|
|
if (pika_image_get_base_type (image) != PIKA_INDEXED)
|
|
sensitive = TRUE;
|
|
}
|
|
|
|
gtk_widget_set_sensitive (private->sample_merged_toggle, sensitive);
|
|
gtk_widget_set_sensitive (private->selection_only_toggle, sensitive);
|
|
gtk_widget_set_sensitive (private->threshold, sensitive);
|
|
gtk_widget_set_sensitive (private->num_colors, sensitive);
|
|
}
|
|
|
|
if (private->image)
|
|
{
|
|
g_signal_connect (private->image, "selected-layers-changed",
|
|
G_CALLBACK (palette_import_layer_changed),
|
|
private);
|
|
g_signal_connect (private->image, "mask-changed",
|
|
G_CALLBACK (palette_import_mask_changed),
|
|
private);
|
|
}
|
|
}
|
|
|
|
static void
|
|
palette_import_layer_changed (PikaImage *image,
|
|
ImportDialog *private)
|
|
{
|
|
if (private->import_type == IMAGE_IMPORT &&
|
|
! gtk_toggle_button_get_active
|
|
(GTK_TOGGLE_BUTTON (private->sample_merged_toggle)))
|
|
{
|
|
palette_import_make_palette (private);
|
|
}
|
|
}
|
|
|
|
static void
|
|
palette_import_mask_changed (PikaImage *image,
|
|
ImportDialog *private)
|
|
{
|
|
if (private->import_type == IMAGE_IMPORT &&
|
|
gtk_toggle_button_get_active
|
|
(GTK_TOGGLE_BUTTON (private->selection_only_toggle)))
|
|
{
|
|
palette_import_make_palette (private);
|
|
}
|
|
}
|
|
|
|
static void
|
|
palette_import_filename_changed (GtkFileChooser *button,
|
|
ImportDialog *private)
|
|
{
|
|
gchar *filename;
|
|
|
|
if (private->import_type != FILE_IMPORT)
|
|
return;
|
|
|
|
filename = gtk_file_chooser_get_filename (button);
|
|
|
|
if (filename)
|
|
{
|
|
gchar *basename = g_filename_display_basename (filename);
|
|
|
|
/* TODO: strip filename extension */
|
|
gtk_entry_set_text (GTK_ENTRY (private->entry), basename);
|
|
g_free (basename);
|
|
}
|
|
else
|
|
{
|
|
gtk_entry_set_text (GTK_ENTRY (private->entry), "");
|
|
}
|
|
|
|
g_free (filename);
|
|
|
|
palette_import_make_palette (private);
|
|
}
|
|
|
|
static void
|
|
import_dialog_drop_callback (GtkWidget *widget,
|
|
gint x,
|
|
gint y,
|
|
PikaViewable *viewable,
|
|
gpointer data)
|
|
{
|
|
ImportDialog *private = data;
|
|
|
|
pika_context_set_by_type (private->context,
|
|
G_TYPE_FROM_INSTANCE (viewable),
|
|
PIKA_OBJECT (viewable));
|
|
|
|
if (PIKA_IS_GRADIENT (viewable) &&
|
|
private->import_type != GRADIENT_IMPORT)
|
|
{
|
|
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (private->gradient_radio),
|
|
TRUE);
|
|
}
|
|
else if (PIKA_IS_IMAGE (viewable) &&
|
|
private->import_type != IMAGE_IMPORT)
|
|
{
|
|
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (private->image_radio),
|
|
TRUE);
|
|
}
|
|
}
|
|
|
|
|
|
/* the import source menu item callbacks ***********************************/
|
|
|
|
static void
|
|
palette_import_set_sensitive (ImportDialog *private)
|
|
{
|
|
gboolean gradient = (private->import_type == GRADIENT_IMPORT);
|
|
gboolean image = (private->import_type == IMAGE_IMPORT);
|
|
gboolean file = (private->import_type == FILE_IMPORT);
|
|
|
|
gtk_widget_set_sensitive (private->gradient_combo, gradient);
|
|
gtk_widget_set_sensitive (private->image_combo, image);
|
|
gtk_widget_set_sensitive (private->sample_merged_toggle, image);
|
|
gtk_widget_set_sensitive (private->selection_only_toggle, image);
|
|
gtk_widget_set_sensitive (private->file_chooser, file);
|
|
|
|
gtk_widget_set_sensitive (private->num_colors, ! file);
|
|
gtk_widget_set_sensitive (private->columns, ! file);
|
|
gtk_widget_set_sensitive (private->threshold, image);
|
|
}
|
|
|
|
static void
|
|
palette_import_grad_callback (GtkWidget *widget,
|
|
ImportDialog *private)
|
|
{
|
|
PikaGradient *gradient;
|
|
|
|
if (! gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
|
|
return;
|
|
|
|
private->import_type = GRADIENT_IMPORT;
|
|
|
|
gradient = pika_context_get_gradient (private->context);
|
|
|
|
gtk_entry_set_text (GTK_ENTRY (private->entry),
|
|
pika_object_get_name (gradient));
|
|
|
|
palette_import_set_sensitive (private);
|
|
|
|
palette_import_make_palette (private);
|
|
}
|
|
|
|
static void
|
|
palette_import_image_callback (GtkWidget *widget,
|
|
ImportDialog *private)
|
|
{
|
|
PikaImage *image;
|
|
|
|
if (! gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
|
|
return;
|
|
|
|
private->import_type = IMAGE_IMPORT;
|
|
|
|
image = pika_context_get_image (private->context);
|
|
|
|
if (! image)
|
|
{
|
|
PikaContainer *images = private->context->pika->images;
|
|
|
|
image = PIKA_IMAGE (pika_container_get_first_child (images));
|
|
}
|
|
|
|
palette_import_set_sensitive (private);
|
|
|
|
palette_import_image_changed (private->context, image, private);
|
|
}
|
|
|
|
static void
|
|
palette_import_file_callback (GtkWidget *widget,
|
|
ImportDialog *private)
|
|
{
|
|
gchar *filename;
|
|
|
|
if (! gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
|
|
return;
|
|
|
|
private->import_type = FILE_IMPORT;
|
|
|
|
filename =
|
|
gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (private->file_chooser));
|
|
|
|
if (filename)
|
|
{
|
|
gchar *basename = g_filename_display_basename (filename);
|
|
|
|
/* TODO: strip filename extension */
|
|
gtk_entry_set_text (GTK_ENTRY (private->entry), basename);
|
|
g_free (basename);
|
|
|
|
g_free (filename);
|
|
}
|
|
else
|
|
{
|
|
gtk_entry_set_text (GTK_ENTRY (private->entry), "");
|
|
}
|
|
|
|
palette_import_set_sensitive (private);
|
|
}
|
|
|
|
static void
|
|
palette_import_columns_changed (PikaLabelSpin *columns,
|
|
ImportDialog *private)
|
|
{
|
|
if (private->palette)
|
|
pika_palette_set_columns (private->palette,
|
|
ROUND (pika_label_spin_get_value (columns)));
|
|
}
|
|
|
|
|
|
/* functions & callbacks to keep the import dialog uptodate ****************/
|
|
|
|
static void
|
|
palette_import_image_add (PikaContainer *container,
|
|
PikaImage *image,
|
|
ImportDialog *private)
|
|
{
|
|
if (! gtk_widget_is_sensitive (private->image_radio))
|
|
{
|
|
gtk_widget_set_sensitive (private->image_radio, TRUE);
|
|
pika_context_set_image (private->context, image);
|
|
}
|
|
}
|
|
|
|
static void
|
|
palette_import_image_remove (PikaContainer *container,
|
|
PikaImage *image,
|
|
ImportDialog *private)
|
|
{
|
|
if (! pika_container_get_n_children (private->context->pika->images))
|
|
{
|
|
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (private->image_radio)))
|
|
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (private->gradient_radio),
|
|
TRUE);
|
|
|
|
gtk_widget_set_sensitive (private->image_radio, FALSE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
palette_import_make_palette (ImportDialog *private)
|
|
{
|
|
PikaPalette *palette = NULL;
|
|
const gchar *palette_name;
|
|
gint n_colors;
|
|
gint n_columns;
|
|
gint threshold;
|
|
|
|
palette_name = gtk_entry_get_text (GTK_ENTRY (private->entry));
|
|
|
|
if (! palette_name || ! strlen (palette_name))
|
|
palette_name = _("Untitled");
|
|
|
|
n_colors = ROUND (pika_label_spin_get_value (PIKA_LABEL_SPIN (private->num_colors)));
|
|
n_columns = ROUND (pika_label_spin_get_value (PIKA_LABEL_SPIN (private->columns)));
|
|
threshold = ROUND (pika_label_spin_get_value (PIKA_LABEL_SPIN (private->threshold)));
|
|
|
|
switch (private->import_type)
|
|
{
|
|
case GRADIENT_IMPORT:
|
|
{
|
|
PikaGradient *gradient;
|
|
|
|
gradient = pika_context_get_gradient (private->context);
|
|
|
|
palette = pika_palette_import_from_gradient (gradient,
|
|
private->context,
|
|
FALSE,
|
|
PIKA_GRADIENT_BLEND_RGB_PERCEPTUAL,
|
|
palette_name,
|
|
n_colors);
|
|
}
|
|
break;
|
|
|
|
case IMAGE_IMPORT:
|
|
{
|
|
PikaImage *image = pika_context_get_image (private->context);
|
|
gboolean sample_merged;
|
|
gboolean selection_only;
|
|
|
|
sample_merged =
|
|
gtk_toggle_button_get_active
|
|
(GTK_TOGGLE_BUTTON (private->sample_merged_toggle));
|
|
|
|
selection_only =
|
|
gtk_toggle_button_get_active
|
|
(GTK_TOGGLE_BUTTON (private->selection_only_toggle));
|
|
|
|
if (pika_image_get_base_type (image) == PIKA_INDEXED)
|
|
{
|
|
palette = pika_palette_import_from_indexed_image (image,
|
|
private->context,
|
|
palette_name);
|
|
}
|
|
else if (sample_merged)
|
|
{
|
|
palette = pika_palette_import_from_image (image,
|
|
private->context,
|
|
palette_name,
|
|
n_colors,
|
|
threshold,
|
|
selection_only);
|
|
}
|
|
else
|
|
{
|
|
GList *drawables;
|
|
|
|
drawables = pika_image_get_selected_layers (image);
|
|
|
|
if (drawables)
|
|
palette = pika_palette_import_from_drawables (drawables,
|
|
private->context,
|
|
palette_name,
|
|
n_colors,
|
|
threshold,
|
|
selection_only);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case FILE_IMPORT:
|
|
{
|
|
GFile *file;
|
|
GError *error = NULL;
|
|
|
|
file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (private->file_chooser));
|
|
|
|
palette = pika_palette_import_from_file (private->context,
|
|
file,
|
|
palette_name, &error);
|
|
g_object_unref (file);
|
|
|
|
if (! palette)
|
|
{
|
|
pika_message_literal (private->context->pika,
|
|
G_OBJECT (private->dialog), PIKA_MESSAGE_ERROR,
|
|
error->message);
|
|
g_error_free (error);
|
|
}
|
|
else
|
|
{
|
|
gint columns = pika_palette_get_columns (palette);
|
|
|
|
if (columns > 0)
|
|
{
|
|
n_columns = columns;
|
|
|
|
pika_label_spin_set_value (PIKA_LABEL_SPIN (private->columns),
|
|
n_columns);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (private->palette)
|
|
g_object_unref (private->palette);
|
|
|
|
private->palette = palette;
|
|
|
|
if (palette)
|
|
{
|
|
pika_palette_set_columns (palette, n_columns);
|
|
|
|
pika_view_set_viewable (PIKA_VIEW (private->preview),
|
|
PIKA_VIEWABLE (palette));
|
|
|
|
}
|
|
|
|
gtk_widget_set_visible (private->no_colors_label,
|
|
! (palette &&
|
|
pika_palette_get_n_colors (palette) > 0));
|
|
}
|
