gimp/app/actions/qmask-commands.c

260 lines
7.7 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "gui-types.h"
#include "core/gimp.h"
#include "core/gimpchannel.h"
#include "core/gimpimage.h"
#include "core/gimpimage-qmask.h"
#include "widgets/gimpcolorpanel.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpviewabledialog.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "qmask-commands.h"
#include "gimp-intl.h"
typedef struct _EditQmaskOptions EditQmaskOptions;
struct _EditQmaskOptions
{
GtkWidget *query_box;
GtkWidget *name_entry;
GtkWidget *color_panel;
GimpImage *gimage;
};
/* local function prototypes */
static void qmask_channel_query (GimpDisplayShell *shell);
static void qmask_query_response (GtkWidget *widget,
gint response_id,
EditQmaskOptions *options);
static void qmask_query_scale_update (GtkAdjustment *adjustment,
gpointer data);
static void qmask_query_color_changed (GimpColorButton *button,
gpointer data);
/* public functionss */
void
qmask_toggle_cmd_callback (GtkWidget *widget,
gpointer data,
guint action)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
if (GTK_CHECK_MENU_ITEM (widget)->active !=
gimp_image_get_qmask_state (shell->gdisp->gimage))
{
gimp_image_set_qmask_state (shell->gdisp->gimage,
GTK_CHECK_MENU_ITEM (widget)->active);
gimp_image_flush (shell->gdisp->gimage);
}
}
void
qmask_invert_cmd_callback (GtkWidget *widget,
gpointer data,
guint action)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
if (GTK_CHECK_MENU_ITEM (widget)->active)
{
if (action != shell->gdisp->gimage->qmask_inverted)
{
gimp_image_qmask_invert (shell->gdisp->gimage);
if (gimp_image_get_qmask_state (shell->gdisp->gimage))
gimp_image_flush (shell->gdisp->gimage);
}
}
}
void
qmask_configure_cmd_callback (GtkWidget *widget,
gpointer data,
guint action)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
qmask_channel_query (shell);
}
/* private functions */
static void
qmask_channel_query (GimpDisplayShell *shell)
{
EditQmaskOptions *options;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *table;
GtkWidget *opacity_scale;
GtkObject *opacity_scale_data;
/* the new options structure */
options = g_new0 (EditQmaskOptions, 1);
options->gimage = shell->gdisp->gimage;
options->color_panel = gimp_color_panel_new (_("Edit Qmask Color"),
&options->gimage->qmask_color,
GIMP_COLOR_AREA_LARGE_CHECKS,
48, 64);
gimp_color_panel_set_context (GIMP_COLOR_PANEL (options->color_panel),
gimp_get_user_context (options->gimage->gimp));
/* The dialog */
options->query_box =
gimp_viewable_dialog_new (GIMP_VIEWABLE (shell->gdisp->gimage),
_("Qmask Attributes"), "gimp-qmask-edit",
GIMP_STOCK_QMASK_ON,
_("Edit QuickMask Attributes"),
GTK_WIDGET (shell),
gimp_standard_help_func,
GIMP_HELP_QMASK_EDIT,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (options->query_box, "response",
G_CALLBACK (qmask_query_response),
options);
g_object_weak_ref (G_OBJECT (options->query_box),
(GWeakNotify) g_free, options);
/* The main hbox */
hbox = gtk_hbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 6);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options->query_box)->vbox),
hbox);
gtk_widget_show (hbox);
/* The vbox */
vbox = gtk_vbox_new (FALSE, 2);
gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
/* The table */
table = gtk_table_new (1, 2, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* The opacity scale */
opacity_scale_data =
gtk_adjustment_new (options->gimage->qmask_color.a * 100.0,
0.0, 100.0, 1.0, 1.0, 0.0);
opacity_scale = gtk_hscale_new (GTK_ADJUSTMENT (opacity_scale_data));
gtk_widget_set_size_request (opacity_scale, 100, -1);
gtk_scale_set_value_pos (GTK_SCALE (opacity_scale), GTK_POS_TOP);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("Mask Opacity:"), 1.0, 1.0,
opacity_scale, 1, FALSE);
g_signal_connect (opacity_scale_data, "value_changed",
G_CALLBACK (qmask_query_scale_update),
options->color_panel);
/* The color panel */
gtk_box_pack_start (GTK_BOX (hbox), options->color_panel,
TRUE, TRUE, 0);
gtk_widget_show (options->color_panel);
g_signal_connect (options->color_panel, "color_changed",
G_CALLBACK (qmask_query_color_changed),
opacity_scale_data);
gtk_widget_show (options->query_box);
}
static void
qmask_query_response (GtkWidget *widget,
gint response_id,
EditQmaskOptions *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpChannel *channel = gimp_image_get_qmask (options->gimage);
GimpRGB color;
if (options->gimage && channel)
{
gimp_color_button_get_color (GIMP_COLOR_BUTTON (options->color_panel),
&color);
if (gimp_rgba_distance (&color, &channel->color) > 0.0001)
{
gimp_channel_set_color (channel, &color, TRUE);
gimp_image_flush (options->gimage);
}
}
/* update the qmask color no matter what */
options->gimage->qmask_color = color;
}
gtk_widget_destroy (options->query_box);
}
static void
qmask_query_scale_update (GtkAdjustment *adjustment,
gpointer data)
{
GimpRGB color;
gimp_color_button_get_color (GIMP_COLOR_BUTTON (data), &color);
gimp_rgb_set_alpha (&color, adjustment->value / 100.0);
gimp_color_button_set_color (GIMP_COLOR_BUTTON (data), &color);
}
static void
qmask_query_color_changed (GimpColorButton *button,
gpointer data)
{
GtkAdjustment *adj = GTK_ADJUSTMENT (data);
GimpRGB color;
gimp_color_button_get_color (button, &color);
gtk_adjustment_set_value (adj, color.a * 100.0);
}