mirror of https://github.com/GNOME/gimp.git
311 lines
10 KiB
C
311 lines
10 KiB
C
/* GIMP - The GNU Image Manipulation Program
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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 <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "dialogs-types.h"
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#include "gegl/gimp-babl.h"
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#include "gegl/gimp-gegl-utils.h"
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#include "core/gimp.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-convert-precision.h"
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#include "core/gimplist.h"
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#include "core/gimpprogress.h"
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#include "widgets/gimphelp-ids.h"
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#include "widgets/gimpviewablebox.h"
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#include "widgets/gimpviewabledialog.h"
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#include "widgets/gimpwidgets-utils.h"
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#include "convert-precision-dialog.h"
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#include "gimp-intl.h"
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typedef struct
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{
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GtkWidget *dialog;
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GimpImage *image;
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GimpProgress *progress;
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GimpPrecision precision;
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gint bits;
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gint layer_dither_type;
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gint text_layer_dither_type;
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gint mask_dither_type;
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} ConvertDialog;
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static void convert_precision_dialog_response (GtkWidget *widget,
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gint response_id,
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ConvertDialog *dialog);
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static void convert_precision_dialog_free (ConvertDialog *dialog);
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/* defaults */
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static gint saved_layer_dither_type = 0;
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static gint saved_text_layer_dither_type = 0;
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static gint saved_mask_dither_type = 0;
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/* public functions */
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GtkWidget *
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convert_precision_dialog_new (GimpImage *image,
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GimpContext *context,
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GtkWidget *parent,
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GimpPrecision precision,
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GimpProgress *progress)
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{
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ConvertDialog *dialog;
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GtkWidget *button;
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GtkWidget *main_vbox;
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *label;
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GtkWidget *frame;
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GtkWidget *combo;
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GtkSizeGroup *size_group;
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const gchar *enum_desc;
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gchar *blurb;
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GType dither_type;
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const Babl *format;
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gint bits;
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g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
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g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (GTK_IS_WIDGET (parent), NULL);
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g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), NULL);
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dialog = g_slice_new0 (ConvertDialog);
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/* a random format with precision */
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format = gimp_babl_format (GIMP_RGB, precision, FALSE);
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bits = (babl_format_get_bytes_per_pixel (format) * 8 /
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babl_format_get_n_components (format));
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dialog->image = image;
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dialog->progress = progress;
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dialog->precision = precision;
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dialog->bits = bits;
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/* gegl:color-reduction only does 16 bits */
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if (bits <= 16)
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{
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dialog->layer_dither_type = saved_layer_dither_type;
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dialog->text_layer_dither_type = saved_text_layer_dither_type;
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dialog->mask_dither_type = saved_mask_dither_type;
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}
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gimp_enum_get_value (GIMP_TYPE_PRECISION, precision,
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NULL, NULL, &enum_desc, NULL);
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blurb = g_strdup_printf (_("Convert Image to %s"), enum_desc);
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dialog->dialog =
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gimp_viewable_dialog_new (GIMP_VIEWABLE (image), context,
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_("Precision Conversion"),
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"gimp-image-convert-precision",
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GIMP_STOCK_CONVERT_PRECISION,
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blurb,
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parent,
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gimp_standard_help_func,
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GIMP_HELP_IMAGE_CONVERT_PRECISION,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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NULL);
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g_free (blurb);
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button = gtk_dialog_add_button (GTK_DIALOG (dialog->dialog),
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_("C_onvert"), GTK_RESPONSE_OK);
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gtk_button_set_image (GTK_BUTTON (button),
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gtk_image_new_from_icon_name (GIMP_STOCK_CONVERT_PRECISION,
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GTK_ICON_SIZE_BUTTON));
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gtk_dialog_set_alternative_button_order (GTK_DIALOG (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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gtk_window_set_resizable (GTK_WINDOW (dialog->dialog), FALSE);
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g_object_weak_ref (G_OBJECT (dialog->dialog),
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(GWeakNotify) convert_precision_dialog_free, dialog);
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g_signal_connect (dialog->dialog, "response",
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G_CALLBACK (convert_precision_dialog_response),
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dialog);
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main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog->dialog))),
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main_vbox, TRUE, TRUE, 0);
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gtk_widget_show (main_vbox);
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/* dithering */
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dither_type = gimp_gegl_get_op_enum_type ("gegl:color-reduction",
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"dither-strategy");
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frame = gimp_frame_new (_("Dithering"));
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gtk_box_pack_start (GTK_BOX (main_vbox), 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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/* gegl:color-reduction only does 16 bits */
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gtk_widget_set_sensitive (vbox, bits <= 16);
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size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
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/* layers */
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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label = gtk_label_new_with_mnemonic (_("_Layers:"));
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gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
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gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
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gtk_size_group_add_widget (size_group, label);
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gtk_widget_show (label);
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combo = gimp_enum_combo_box_new (dither_type);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
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gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
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gtk_widget_show (combo);
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gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
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dialog->layer_dither_type,
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G_CALLBACK (gimp_int_combo_box_get_active),
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&dialog->layer_dither_type);
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/* text layers */
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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label = gtk_label_new_with_mnemonic (_("_Text Layers:"));
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gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
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gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
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gtk_size_group_add_widget (size_group, label);
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gtk_widget_show (label);
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combo = gimp_enum_combo_box_new (dither_type);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
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gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
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gtk_widget_show (combo);
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gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
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dialog->text_layer_dither_type,
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G_CALLBACK (gimp_int_combo_box_get_active),
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&dialog->text_layer_dither_type);
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gimp_help_set_help_data (combo,
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_("Dithering text layers will make them uneditable"),
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NULL);
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/* channels */
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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label = gtk_label_new_with_mnemonic (_("_Channels and Masks:"));
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gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
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gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
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gtk_size_group_add_widget (size_group, label);
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gtk_widget_show (label);
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combo = gimp_enum_combo_box_new (dither_type);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
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gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
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gtk_widget_show (combo);
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gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
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dialog->mask_dither_type,
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G_CALLBACK (gimp_int_combo_box_get_active),
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&dialog->mask_dither_type);
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g_object_unref (size_group);
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return dialog->dialog;
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}
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/* private functions */
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static void
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convert_precision_dialog_response (GtkWidget *widget,
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gint response_id,
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ConvertDialog *dialog)
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{
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if (response_id == GTK_RESPONSE_OK)
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{
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GimpProgress *progress;
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progress = gimp_progress_start (dialog->progress, FALSE,
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_("Converting to lower bit depth"));
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gimp_image_convert_precision (dialog->image,
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dialog->precision,
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dialog->layer_dither_type,
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dialog->text_layer_dither_type,
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dialog->mask_dither_type,
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progress);
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if (progress)
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gimp_progress_end (progress);
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gimp_image_flush (dialog->image);
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/* gegl:color-reduction only does 16 bits */
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if (dialog->bits <= 16)
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{
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/* Save defaults for next time */
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saved_layer_dither_type = dialog->layer_dither_type;
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saved_text_layer_dither_type = dialog->text_layer_dither_type;
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saved_mask_dither_type = dialog->mask_dither_type;
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}
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}
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gtk_widget_destroy (dialog->dialog);
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}
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static void
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convert_precision_dialog_free (ConvertDialog *dialog)
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{
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g_slice_free (ConvertDialog, dialog);
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}
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