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gimp/app/widgets/gimpbrushselect.c

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/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "gegl/gimp-babl-compat.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpbrush.h"
#include "core/gimpparamspecs.h"
#include "core/gimptempbuf.h"
#include "pdb/gimppdb.h"
#include "gimpbrushfactoryview.h"
#include "gimpbrushselect.h"
#include "gimpcontainerbox.h"
#include "gimplayermodebox.h"
#include "gimpspinscale.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_OPACITY,
PROP_PAINT_MODE,
PROP_SPACING
};
static void gimp_brush_select_constructed (GObject *object);
static void gimp_brush_select_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static GimpValueArray * gimp_brush_select_run_callback (GimpPdbDialog *dialog,
GimpObject *object,
gboolean closing,
GError **error);
static void gimp_brush_select_opacity_changed (GimpContext *context,
gdouble opacity,
GimpBrushSelect *select);
static void gimp_brush_select_mode_changed (GimpContext *context,
GimpLayerMode paint_mode,
GimpBrushSelect *select);
static void gimp_brush_select_opacity_update (GtkAdjustment *adj,
GimpBrushSelect *select);
static void gimp_brush_select_spacing_update (GtkAdjustment *adj,
GimpBrushSelect *select);
G_DEFINE_TYPE (GimpBrushSelect, gimp_brush_select, GIMP_TYPE_PDB_DIALOG)
#define parent_class gimp_brush_select_parent_class
static void
gimp_brush_select_class_init (GimpBrushSelectClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpPdbDialogClass *pdb_class = GIMP_PDB_DIALOG_CLASS (klass);
object_class->constructed = gimp_brush_select_constructed;
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,
GIMP_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,
GIMP_LAYER_MODE_NORMAL,
GIMP_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,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT));
}
static void
gimp_brush_select_init (GimpBrushSelect *select)
{
}
static void
gimp_brush_select_constructed (GObject *object)
{
GimpPdbDialog *dialog = GIMP_PDB_DIALOG (object);
GimpBrushSelect *select = GIMP_BRUSH_SELECT (object);
GtkWidget *content_area;
GtkWidget *vbox;
GtkWidget *scale;
GtkWidget *hbox;
GtkWidget *label;
GtkAdjustment *spacing_adj;
G_OBJECT_CLASS (parent_class)->constructed (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);
content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
gtk_box_pack_start (GTK_BOX (content_area), dialog->view, TRUE, TRUE, 0);
gtk_widget_show (dialog->view);
vbox = GTK_WIDGET (GIMP_CONTAINER_EDITOR (dialog->view)->view);
/* Create the opacity scale widget */
select->opacity_data =
gtk_adjustment_new (gimp_context_get_opacity (dialog->context) * 100.0,
0.0, 100.0,
1.0, 10.0, 0.0);
scale = gimp_spin_scale_new (select->opacity_data,
_("Opacity"), 1);
gimp_spin_scale_set_constrain_drag (GIMP_SPIN_SCALE (scale), TRUE);
gtk_box_pack_end (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
gtk_widget_show (scale);
g_signal_connect (select->opacity_data, "value-changed",
G_CALLBACK (gimp_brush_select_opacity_update),
select);
/* Create the paint mode option menu */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new (_("Mode:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
select->layer_mode_box = gimp_layer_mode_box_new (GIMP_LAYER_MODE_CONTEXT_PAINT);
gtk_box_pack_start (GTK_BOX (hbox), select->layer_mode_box, TRUE, TRUE, 0);
gtk_widget_show (select->layer_mode_box);
g_object_bind_property (G_OBJECT (dialog->context), "paint-mode",
G_OBJECT (select->layer_mode_box), "layer-mode",
G_BINDING_BIDIRECTIONAL |
G_BINDING_SYNC_CREATE);
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);
}
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 GimpValueArray *
gimp_brush_select_run_callback (GimpPdbDialog *dialog,
GimpObject *object,
gboolean closing,
GError **error)
{
GimpBrush *brush = GIMP_BRUSH (object);
GimpTempBuf *mask = gimp_brush_get_mask (brush);
const Babl *format;
gpointer data;
GimpArray *array;
GimpValueArray *return_vals;
format = gimp_babl_compat_u8_mask_format (gimp_temp_buf_get_format (mask));
data = gimp_temp_buf_lock (mask, format, GEGL_ACCESS_READ);
array = gimp_array_new (data,
gimp_temp_buf_get_width (mask) *
gimp_temp_buf_get_height (mask) *
babl_format_get_bytes_per_pixel (format),
TRUE);
return_vals =
gimp_pdb_execute_procedure_by_name (dialog->pdb,
dialog->caller_context,
NULL, error,
dialog->callback_name,
G_TYPE_STRING, gimp_object_get_name (object),
G_TYPE_DOUBLE, gimp_context_get_opacity (dialog->context) * 100.0,
GIMP_TYPE_INT32, GIMP_BRUSH_SELECT (dialog)->spacing,
GIMP_TYPE_INT32, gimp_context_get_paint_mode (dialog->context),
GIMP_TYPE_INT32, gimp_brush_get_width (brush),
GIMP_TYPE_INT32, gimp_brush_get_height (brush),
GIMP_TYPE_INT32, array->length,
GIMP_TYPE_INT8_ARRAY, array,
GIMP_TYPE_INT32, closing,
G_TYPE_NONE);
gimp_array_free (array);
gimp_temp_buf_unlock (mask, data);
return return_vals;
}
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 (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,
GimpLayerMode paint_mode,
GimpBrushSelect *select)
{
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,
gtk_adjustment_get_value (adjustment) / 100.0);
}
static void
gimp_brush_select_spacing_update (GtkAdjustment *adjustment,
GimpBrushSelect *select)
{
gdouble value = gtk_adjustment_get_value (adjustment);
if (select->spacing != value)
{
select->spacing = value;
gimp_pdb_dialog_run_callback (GIMP_PDB_DIALOG (select), FALSE);
}
}
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