mirror of https://github.com/GNOME/gimp.git
263 lines
7.5 KiB
C
263 lines
7.5 KiB
C
/* The GIMP -- an 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.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 "gui-types.h"
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#include "core/gimp.h"
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#include "core/gimpchannel.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-qmask.h"
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#include "widgets/gimpcolorpanel.h"
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#include "widgets/gimphelp-ids.h"
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#include "widgets/gimpviewabledialog.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "qmask-commands.h"
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#include "gimp-intl.h"
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typedef struct _EditQmaskOptions EditQmaskOptions;
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struct _EditQmaskOptions
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{
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GtkWidget *query_box;
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GtkWidget *name_entry;
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GtkWidget *color_panel;
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GimpImage *gimage;
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};
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/* local function prototypes */
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static void qmask_channel_query (GimpDisplayShell *shell);
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static void qmask_query_ok_callback (GtkWidget *widget,
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gpointer client_data);
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static void qmask_query_scale_update (GtkAdjustment *adjustment,
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gpointer data);
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static void qmask_query_color_changed (GimpColorButton *button,
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gpointer data);
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/* public functionss */
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void
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qmask_toggle_cmd_callback (GtkWidget *widget,
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gpointer data,
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guint action)
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{
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GimpDisplayShell *shell;
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shell = GIMP_DISPLAY_SHELL (data);
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if (GTK_CHECK_MENU_ITEM (widget)->active != shell->gdisp->gimage->qmask_state)
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{
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gimp_image_set_qmask_state (shell->gdisp->gimage,
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GTK_CHECK_MENU_ITEM (widget)->active);
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gimp_image_flush (shell->gdisp->gimage);
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}
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}
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void
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qmask_invert_cmd_callback (GtkWidget *widget,
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gpointer data,
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guint action)
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{
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GimpDisplayShell *shell;
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shell = GIMP_DISPLAY_SHELL (data);
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if (GTK_CHECK_MENU_ITEM (widget)->active)
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{
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if (action != shell->gdisp->gimage->qmask_inverted)
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{
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gimp_image_qmask_invert (shell->gdisp->gimage);
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if (shell->gdisp->gimage->qmask_state)
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gimp_image_flush (shell->gdisp->gimage);
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}
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}
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}
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void
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qmask_configure_cmd_callback (GtkWidget *widget,
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gpointer data,
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guint action)
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{
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GimpDisplayShell *shell;
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shell = GIMP_DISPLAY_SHELL (data);
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qmask_channel_query (shell);
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}
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/* private functions */
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static void
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qmask_channel_query (GimpDisplayShell *shell)
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{
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EditQmaskOptions *options;
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GtkWidget *hbox;
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GtkWidget *vbox;
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GtkWidget *table;
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GtkWidget *opacity_scale;
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GtkObject *opacity_scale_data;
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/* the new options structure */
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options = g_new0 (EditQmaskOptions, 1);
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options->gimage = shell->gdisp->gimage;
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options->color_panel = gimp_color_panel_new (_("Edit Qmask Color"),
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&options->gimage->qmask_color,
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GIMP_COLOR_AREA_LARGE_CHECKS,
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48, 64);
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gimp_color_panel_set_context (GIMP_COLOR_PANEL (options->color_panel),
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gimp_get_user_context (options->gimage->gimp));
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/* The dialog */
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options->query_box =
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gimp_viewable_dialog_new (GIMP_VIEWABLE (shell->gdisp->gimage),
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_("Qmask Attributes"), "edit_qmask_attributes",
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GIMP_STOCK_QMASK_ON,
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_("Edit QuickMask Attributes"),
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gimp_standard_help_func,
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GIMP_HELP_QMASK_EDIT,
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GTK_STOCK_CANCEL, gtk_widget_destroy,
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NULL, 1, NULL, FALSE, TRUE,
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GTK_STOCK_OK, qmask_query_ok_callback,
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options, NULL, NULL, TRUE, FALSE,
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NULL);
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g_object_weak_ref (G_OBJECT (options->query_box),
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(GWeakNotify) g_free, options);
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/* The main hbox */
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hbox = gtk_hbox_new (FALSE, 4);
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gtk_container_set_border_width (GTK_CONTAINER (hbox), 4);
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gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options->query_box)->vbox),
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hbox);
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gtk_widget_show (hbox);
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/* The vbox */
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vbox = gtk_vbox_new (FALSE, 2);
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gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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/* The table */
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table = gtk_table_new (1, 2, FALSE);
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gtk_table_set_col_spacings (GTK_TABLE (table), 4);
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gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
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gtk_widget_show (table);
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/* The opacity scale */
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opacity_scale_data =
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gtk_adjustment_new (options->gimage->qmask_color.a * 100.0,
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0.0, 100.0, 1.0, 1.0, 0.0);
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opacity_scale = gtk_hscale_new (GTK_ADJUSTMENT (opacity_scale_data));
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gtk_widget_set_size_request (opacity_scale, 100, -1);
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gtk_scale_set_value_pos (GTK_SCALE (opacity_scale), GTK_POS_TOP);
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gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
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_("Mask Opacity:"), 1.0, 1.0,
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opacity_scale, 1, FALSE);
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g_signal_connect (opacity_scale_data, "value_changed",
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G_CALLBACK (qmask_query_scale_update),
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options->color_panel);
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/* The color panel */
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gtk_box_pack_start (GTK_BOX (hbox), options->color_panel,
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TRUE, TRUE, 0);
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gtk_widget_show (options->color_panel);
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g_signal_connect (options->color_panel, "color_changed",
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G_CALLBACK (qmask_query_color_changed),
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opacity_scale_data);
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gtk_widget_show (options->query_box);
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}
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static void
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qmask_query_ok_callback (GtkWidget *widget,
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gpointer data)
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{
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EditQmaskOptions *options;
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GimpChannel *channel;
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GimpRGB color;
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options = (EditQmaskOptions *) data;
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channel = gimp_image_get_channel_by_name (options->gimage, "Qmask");
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if (options->gimage && channel)
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{
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gimp_color_button_get_color (GIMP_COLOR_BUTTON (options->color_panel),
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&color);
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if (gimp_rgba_distance (&color, &channel->color) > 0.0001)
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{
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gimp_channel_set_color (channel, &color, TRUE);
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gimp_image_flush (options->gimage);
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}
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}
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/* update the qmask color no matter what */
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options->gimage->qmask_color = color;
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gtk_widget_destroy (options->query_box);
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}
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static void
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qmask_query_scale_update (GtkAdjustment *adjustment,
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gpointer data)
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{
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GimpRGB color;
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gimp_color_button_get_color (GIMP_COLOR_BUTTON (data), &color);
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gimp_rgb_set_alpha (&color, adjustment->value / 100.0);
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gimp_color_button_set_color (GIMP_COLOR_BUTTON (data), &color);
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}
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static void
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qmask_query_color_changed (GimpColorButton *button,
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gpointer data)
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{
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GtkAdjustment *adj = GTK_ADJUSTMENT (data);
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GimpRGB color;
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gimp_color_button_get_color (button, &color);
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gtk_adjustment_set_value (adj, color.a * 100.0);
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}
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