mirror of https://github.com/GNOME/gimp.git
253 lines
9.9 KiB
C
253 lines
9.9 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 <https://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 "libgimpcolor/gimpcolor.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "dialogs-types.h"
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#include "core/gimpchannel.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "widgets/gimpcolorpanel.h"
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#include "widgets/gimpviewabledialog.h"
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#include "channel-options-dialog.h"
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#include "item-options-dialog.h"
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#include "gimp-intl.h"
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typedef struct _ChannelOptionsDialog ChannelOptionsDialog;
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struct _ChannelOptionsDialog
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{
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GimpChannelOptionsCallback callback;
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gpointer user_data;
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GtkWidget *color_panel;
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GtkWidget *save_sel_toggle;
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};
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/* local function prototypes */
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static void channel_options_dialog_free (ChannelOptionsDialog *private);
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static void channel_options_dialog_callback (GtkWidget *dialog,
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GimpImage *image,
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GimpItem *item,
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GimpContext *context,
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const gchar *item_name,
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gboolean item_visible,
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GimpColorTag item_color_tag,
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gboolean item_lock_content,
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gboolean item_lock_position,
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gboolean item_lock_visibility,
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gpointer user_data);
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static void channel_options_opacity_changed (GtkAdjustment *adjustment,
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GimpColorButton *color_button);
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static void channel_options_color_changed (GimpColorButton *color_button,
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GtkAdjustment *adjustment);
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/* public functions */
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GtkWidget *
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channel_options_dialog_new (GimpImage *image,
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GimpChannel *channel,
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GimpContext *context,
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GtkWidget *parent,
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const gchar *title,
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const gchar *role,
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const gchar *icon_name,
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const gchar *desc,
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const gchar *help_id,
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const gchar *color_label,
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const gchar *opacity_label,
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gboolean show_from_sel,
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const gchar *channel_name,
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GeglColor *channel_color,
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gboolean channel_visible,
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GimpColorTag channel_color_tag,
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gboolean channel_lock_content,
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gboolean channel_lock_position,
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gboolean channel_lock_visibility,
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GimpChannelOptionsCallback callback,
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gpointer user_data)
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{
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ChannelOptionsDialog *private;
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GtkWidget *dialog;
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GtkAdjustment *opacity_adj;
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GtkWidget *scale;
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gdouble rgba[4];
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g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
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g_return_val_if_fail (channel == NULL || GIMP_IS_CHANNEL (channel), 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 (title != NULL, NULL);
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g_return_val_if_fail (role != NULL, NULL);
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g_return_val_if_fail (icon_name != NULL, NULL);
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g_return_val_if_fail (desc != NULL, NULL);
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g_return_val_if_fail (help_id != NULL, NULL);
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g_return_val_if_fail (GEGL_IS_COLOR (channel_color), NULL);
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g_return_val_if_fail (color_label != NULL, NULL);
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g_return_val_if_fail (opacity_label != NULL, NULL);
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g_return_val_if_fail (callback != NULL, NULL);
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private = g_slice_new0 (ChannelOptionsDialog);
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private->callback = callback;
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private->user_data = user_data;
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dialog = item_options_dialog_new (image, GIMP_ITEM (channel), context,
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parent, title, role,
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icon_name, desc, help_id,
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channel_name ? _("Channel _name:") : NULL,
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GIMP_ICON_LOCK_CONTENT,
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_("Lock _pixels"),
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_("Lock position and _size"),
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_("Lock visibility"),
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channel_name,
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channel_visible,
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channel_color_tag,
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channel_lock_content,
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channel_lock_position,
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channel_lock_visibility,
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channel_options_dialog_callback,
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private);
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g_object_weak_ref (G_OBJECT (dialog),
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(GWeakNotify) channel_options_dialog_free, private);
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gegl_color_get_pixel (channel_color, babl_format ("R'G'B'A double"), rgba);
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opacity_adj = gtk_adjustment_new (rgba[3] * 100.0,
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0.0, 100.0, 1.0, 10.0, 0);
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scale = gimp_spin_scale_new (opacity_adj, NULL, 1);
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gtk_widget_set_size_request (scale, 200, -1);
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item_options_dialog_add_widget (dialog,
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opacity_label, scale);
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private->color_panel = gimp_color_panel_new (color_label, channel_color,
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GIMP_COLOR_AREA_LARGE_CHECKS,
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24, 24);
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gimp_color_panel_set_context (GIMP_COLOR_PANEL (private->color_panel),
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context);
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g_signal_connect (opacity_adj, "value-changed",
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G_CALLBACK (channel_options_opacity_changed),
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private->color_panel);
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g_signal_connect (private->color_panel, "color-changed",
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G_CALLBACK (channel_options_color_changed),
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opacity_adj);
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item_options_dialog_add_widget (dialog,
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NULL, private->color_panel);
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if (show_from_sel)
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{
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private->save_sel_toggle =
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gtk_check_button_new_with_mnemonic (_("Initialize from _selection"));
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item_options_dialog_add_widget (dialog,
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NULL, private->save_sel_toggle);
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}
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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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channel_options_dialog_free (ChannelOptionsDialog *private)
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{
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g_slice_free (ChannelOptionsDialog, private);
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}
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static void
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channel_options_dialog_callback (GtkWidget *dialog,
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GimpImage *image,
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GimpItem *item,
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GimpContext *context,
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const gchar *item_name,
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gboolean item_visible,
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GimpColorTag item_color_tag,
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gboolean item_lock_content,
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gboolean item_lock_position,
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gboolean item_lock_visibility,
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gpointer user_data)
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{
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ChannelOptionsDialog *private = user_data;
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GeglColor *color;
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gboolean save_selection = FALSE;
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color = gimp_color_button_get_color (GIMP_COLOR_BUTTON (private->color_panel));
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if (private->save_sel_toggle)
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save_selection =
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gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (private->save_sel_toggle));
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private->callback (dialog,
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image,
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GIMP_CHANNEL (item),
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context,
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item_name,
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color,
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save_selection,
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item_visible,
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item_color_tag,
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item_lock_content,
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item_lock_position,
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item_lock_visibility,
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private->user_data);
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g_object_unref (color);
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}
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static void
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channel_options_opacity_changed (GtkAdjustment *adjustment,
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GimpColorButton *color_button)
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{
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GeglColor *color;
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color = gimp_color_button_get_color (color_button);
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gimp_color_set_alpha (color, gtk_adjustment_get_value (adjustment) / 100.0);
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gimp_color_button_set_color (color_button, color);
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g_object_unref (color);
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}
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static void
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channel_options_color_changed (GimpColorButton *button,
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GtkAdjustment *adjustment)
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{
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GeglColor *color;
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gdouble rgba[4];
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color = gimp_color_button_get_color (button);
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gegl_color_get_pixel (color, babl_format ("R'G'B'A double"), rgba);
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gtk_adjustment_set_value (adjustment, rgba[3] * 100.0);
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g_object_unref (color);
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}
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