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gimp/app/widgets/gimpbrushselect.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpbrushselect.c
* Copyright (C) 2004 Michael Natterer <mitch@gimp.org>
*
* 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 "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "base/temp-buf.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpbrush.h"
#include "pdb/procedural_db.h"
#include "gimpbrushfactoryview.h"
#include "gimpbrushselect.h"
#include "gimpcontainerbox.h"
#include "gimpwidgets-constructors.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_OPACITY,
PROP_PAINT_MODE,
PROP_SPACING
};
static void gimp_brush_select_class_init (GimpBrushSelectClass *klass);
static GObject * gimp_brush_select_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_brush_select_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static Argument * gimp_brush_select_run_callback (GimpPdbDialog *dialog,
GimpObject *object,
gboolean closing,
gint *n_return_vals);
static void gimp_brush_select_opacity_changed (GimpContext *context,
gdouble opacity,
GimpBrushSelect *select);
static void gimp_brush_select_mode_changed (GimpContext *context,
GimpLayerModeEffects paint_mode,
GimpBrushSelect *select);
static void gimp_brush_select_opacity_update (GtkAdjustment *adj,
GimpBrushSelect *select);
static void gimp_brush_select_mode_update (GtkWidget *widget,
GimpBrushSelect *select);
static void gimp_brush_select_spacing_update (GtkAdjustment *adj,
GimpBrushSelect *select);
static GimpPdbDialogClass *parent_class = NULL;
GType
gimp_brush_select_get_type (void)
{
static GType dialog_type = 0;
if (! dialog_type)
{
static const GTypeInfo dialog_info =
{
sizeof (GimpBrushSelectClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_brush_select_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpBrushSelect),
0, /* n_preallocs */
NULL /* instance_init */
};
dialog_type = g_type_register_static (GIMP_TYPE_PDB_DIALOG,
"GimpBrushSelect",
&dialog_info, 0);
}
return dialog_type;
}
static void
gimp_brush_select_class_init (GimpBrushSelectClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpPdbDialogClass *pdb_class = GIMP_PDB_DIALOG_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_brush_select_constructor;
object_class->set_property = gimp_brush_select_set_property;
pdb_class->run_callback = gimp_brush_select_run_callback;
g_object_class_install_property (object_class, PROP_OPACITY,
g_param_spec_double ("opacity", NULL, NULL,
GIMP_OPACITY_TRANSPARENT,
GIMP_OPACITY_OPAQUE,
GIMP_OPACITY_OPAQUE,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_PAINT_MODE,
g_param_spec_enum ("paint-mode", NULL, NULL,
GIMP_TYPE_LAYER_MODE_EFFECTS,
GIMP_NORMAL_MODE,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_SPACING,
g_param_spec_int ("spacing", NULL, NULL,
-G_MAXINT, 1000, -1,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT));
}
static GObject *
gimp_brush_select_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpPdbDialog *dialog;
GimpBrushSelect *select;
GtkWidget *table;
GtkAdjustment *spacing_adj;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
dialog = GIMP_PDB_DIALOG (object);
select = GIMP_BRUSH_SELECT (object);
gimp_context_set_opacity (dialog->context, select->initial_opacity);
gimp_context_set_paint_mode (dialog->context, select->initial_mode);
g_signal_connect (dialog->context, "opacity_changed",
G_CALLBACK (gimp_brush_select_opacity_changed),
dialog);
g_signal_connect (dialog->context, "paint_mode_changed",
G_CALLBACK (gimp_brush_select_mode_changed),
dialog);
dialog->view =
gimp_brush_factory_view_new (GIMP_VIEW_TYPE_GRID,
dialog->context->gimp->brush_factory,
dialog->context,
FALSE,
GIMP_VIEW_SIZE_MEDIUM, 1,
dialog->menu_factory);
gimp_container_box_set_size_request (GIMP_CONTAINER_BOX (GIMP_CONTAINER_EDITOR (dialog->view)->view),
5 * (GIMP_VIEW_SIZE_MEDIUM + 2),
5 * (GIMP_VIEW_SIZE_MEDIUM + 2));
gtk_container_set_border_width (GTK_CONTAINER (dialog->view), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), dialog->view);
gtk_widget_show (dialog->view);
/* Create the frame and the table for the options */
table = GIMP_BRUSH_FACTORY_VIEW (dialog->view)->spacing_scale->parent;
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
/* Create the opacity scale widget */
select->opacity_data =
GTK_ADJUSTMENT (gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
_("Opacity:"), -1, 5,
gimp_context_get_opacity (dialog->context) * 100.0,
0.0, 100.0, 1.0, 10.0, 1,
TRUE, 0.0, 0.0,
NULL, NULL));
g_signal_connect (select->opacity_data, "value_changed",
G_CALLBACK (gimp_brush_select_opacity_update),
select);
/* Create the paint mode option menu */
select->paint_mode_menu =
gimp_paint_mode_menu_new (G_CALLBACK (gimp_brush_select_mode_update),
select,
TRUE,
gimp_context_get_paint_mode (dialog->context));
gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
_("Mode:"), 0.0, 0.5,
select->paint_mode_menu, 2, FALSE);
spacing_adj = GIMP_BRUSH_FACTORY_VIEW (dialog->view)->spacing_adjustment;
/* Use passed spacing instead of brushes default */
if (select->spacing >= 0)
gtk_adjustment_set_value (spacing_adj, select->spacing);
g_signal_connect (spacing_adj, "value_changed",
G_CALLBACK (gimp_brush_select_spacing_update),
select);
gtk_widget_show (table);
return object;
}
static void
gimp_brush_select_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpPdbDialog *dialog = GIMP_PDB_DIALOG (object);
GimpBrushSelect *select = GIMP_BRUSH_SELECT (object);
switch (property_id)
{
case PROP_OPACITY:
if (dialog->view)
gimp_context_set_opacity (dialog->context, g_value_get_double (value));
else
select->initial_opacity = g_value_get_double (value);
break;
case PROP_PAINT_MODE:
if (dialog->view)
gimp_context_set_paint_mode (dialog->context, g_value_get_enum (value));
else
select->initial_mode = g_value_get_enum (value);
break;
case PROP_SPACING:
if (dialog->view)
{
if (g_value_get_int (value) >= 0)
gtk_adjustment_set_value (GIMP_BRUSH_FACTORY_VIEW (dialog->view)->spacing_adjustment,
g_value_get_int (value));
}
else
{
select->spacing = g_value_get_int (value);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static Argument *
gimp_brush_select_run_callback (GimpPdbDialog *dialog,
GimpObject *object,
gboolean closing,
gint *n_return_vals)
{
GimpBrush *brush = GIMP_BRUSH (object);
return procedural_db_run_proc (dialog->caller_context->gimp,
dialog->caller_context,
NULL,
dialog->callback_name,
n_return_vals,
GIMP_PDB_STRING, object->name,
GIMP_PDB_FLOAT, gimp_context_get_opacity (dialog->context) * 100.0,
GIMP_PDB_INT32, GIMP_BRUSH_SELECT (dialog)->spacing,
GIMP_PDB_INT32, (gint) gimp_context_get_paint_mode (dialog->context),
GIMP_PDB_INT32, brush->mask->width,
GIMP_PDB_INT32, brush->mask->height,
GIMP_PDB_INT32, (brush->mask->width *
brush->mask->height),
GIMP_PDB_INT8ARRAY, temp_buf_data (brush->mask),
GIMP_PDB_INT32, closing,
GIMP_PDB_END);
}
static void
gimp_brush_select_opacity_changed (GimpContext *context,
gdouble opacity,
GimpBrushSelect *select)
{
g_signal_handlers_block_by_func (select->opacity_data,
gimp_brush_select_opacity_update,
select);
gtk_adjustment_set_value (GTK_ADJUSTMENT (select->opacity_data),
opacity * 100.0);
g_signal_handlers_unblock_by_func (select->opacity_data,
gimp_brush_select_opacity_update,
select);
gimp_pdb_dialog_run_callback (GIMP_PDB_DIALOG (select), FALSE);
}
static void
gimp_brush_select_mode_changed (GimpContext *context,
GimpLayerModeEffects paint_mode,
GimpBrushSelect *select)
{
gimp_paint_mode_menu_set_history (GTK_OPTION_MENU (select->paint_mode_menu),
paint_mode);
gimp_pdb_dialog_run_callback (GIMP_PDB_DIALOG (select), FALSE);
}
static void
gimp_brush_select_opacity_update (GtkAdjustment *adjustment,
GimpBrushSelect *select)
{
gimp_context_set_opacity (GIMP_PDB_DIALOG (select)->context,
adjustment->value / 100.0);
}
static void
gimp_brush_select_mode_update (GtkWidget *widget,
GimpBrushSelect *select)
{
GimpLayerModeEffects paint_mode;
paint_mode = (GimpLayerModeEffects)
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "gimp-item-data"));
gimp_context_set_paint_mode (GIMP_PDB_DIALOG (select)->context, paint_mode);
}
static void
gimp_brush_select_spacing_update (GtkAdjustment *adjustment,
GimpBrushSelect *select)
{
if (select->spacing != adjustment->value)
{
select->spacing = adjustment->value;
gimp_pdb_dialog_run_callback (GIMP_PDB_DIALOG (select), FALSE);
}
}
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