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gimp/app/core/gimpstrokedesc.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
*
* gimpstrokedesc.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 <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "config/gimpcoreconfig.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimptoolinfo.h"
#include "gimppaintinfo.h"
#include "gimpstrokedesc.h"
#include "gimpstrokeoptions.h"
#include "paint/gimppaintoptions.h"
enum
{
PROP_0,
PROP_GIMP,
PROP_METHOD,
PROP_STROKE_OPTIONS,
PROP_PAINT_INFO,
PROP_PAINT_OPTIONS
};
static void gimp_stroke_desc_class_init (GimpStrokeDescClass *klass);
static GObject * gimp_stroke_desc_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_stroke_desc_finalize (GObject *object);
static void gimp_stroke_desc_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_stroke_desc_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static GimpObjectClass *parent_class = NULL;
GType
gimp_stroke_desc_get_type (void)
{
static GType type = 0;
if (! type)
{
static const GTypeInfo info =
{
sizeof (GimpStrokeDescClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_stroke_desc_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpStrokeDesc),
0, /* n_preallocs */
NULL /* instance_init */
};
static const GInterfaceInfo config_iface_info =
{
NULL, /* ifact_init */
NULL, /* iface_finalize */
NULL /* iface_data */
};
type = g_type_register_static (GIMP_TYPE_OBJECT,
"GimpStrokeDesc",
&info, 0);
g_type_add_interface_static (type, GIMP_TYPE_CONFIG,
&config_iface_info);
}
return type;
}
static void
gimp_stroke_desc_class_init (GimpStrokeDescClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_stroke_desc_constructor;
object_class->finalize = gimp_stroke_desc_finalize;
object_class->set_property = gimp_stroke_desc_set_property;
object_class->get_property = gimp_stroke_desc_get_property;
g_object_class_install_property (object_class, PROP_GIMP,
g_param_spec_object ("gimp",
NULL, NULL,
GIMP_TYPE_GIMP,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_METHOD,
"method", NULL,
GIMP_TYPE_STROKE_METHOD,
GIMP_STROKE_METHOD_LIBART,
0);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_STROKE_OPTIONS,
"stroke-options", NULL,
GIMP_TYPE_STROKE_OPTIONS,
GIMP_CONFIG_PARAM_AGGREGATE);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_PAINT_INFO,
"paint-info", NULL,
GIMP_TYPE_PAINT_INFO,
0);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_PAINT_OPTIONS,
"paint-options", NULL,
GIMP_TYPE_PAINT_OPTIONS,
0);
}
static GObject *
gimp_stroke_desc_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpStrokeDesc *desc;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
desc = GIMP_STROKE_DESC (object);
g_assert (GIMP_IS_GIMP (desc->gimp));
desc->stroke_options = g_object_new (GIMP_TYPE_STROKE_OPTIONS,
"gimp", desc->gimp,
NULL);
return object;
}
static void
gimp_stroke_desc_finalize (GObject *object)
{
GimpStrokeDesc *desc = GIMP_STROKE_DESC (object);
if (desc->stroke_options)
{
g_object_unref (desc->stroke_options);
desc->stroke_options = NULL;
}
if (desc->paint_info)
{
g_object_unref (desc->paint_info);
desc->paint_info = NULL;
}
if (desc->paint_options)
{
g_object_unref (desc->paint_options);
desc->paint_options = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_stroke_desc_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpStrokeDesc *desc = GIMP_STROKE_DESC (object);
switch (property_id)
{
case PROP_GIMP:
desc->gimp = g_value_get_object (value);
break;
case PROP_METHOD:
desc->method = g_value_get_enum (value);
break;
case PROP_STROKE_OPTIONS:
if (g_value_get_object (value))
gimp_config_sync (g_value_get_object (value),
G_OBJECT (desc->stroke_options), 0);
break;
case PROP_PAINT_INFO:
if (desc->paint_info)
g_object_unref (desc->paint_info);
desc->paint_info = (GimpPaintInfo *) g_value_dup_object (value);
break;
case PROP_PAINT_OPTIONS:
if (desc->paint_options)
g_object_unref (desc->paint_options);
desc->paint_options = (GimpPaintOptions *) g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_stroke_desc_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpStrokeDesc *desc = GIMP_STROKE_DESC (object);
switch (property_id)
{
case PROP_GIMP:
g_value_set_object (value, desc->gimp);
break;
case PROP_METHOD:
g_value_set_enum (value, desc->method);
break;
case PROP_STROKE_OPTIONS:
g_value_set_object (value, desc->stroke_options);
break;
case PROP_PAINT_INFO:
g_value_set_object (value, desc->paint_info);
break;
case PROP_PAINT_OPTIONS:
g_value_set_object (value, desc->paint_options);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
/* public functions */
GimpStrokeDesc *
gimp_stroke_desc_new (Gimp *gimp,
GimpContext *context)
{
GimpPaintInfo *paint_info = NULL;
GimpStrokeDesc *desc;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL);
if (context)
{
GimpToolInfo *tool_info = gimp_context_get_tool (context);
if (tool_info)
paint_info = tool_info->paint_info;
}
desc = g_object_new (GIMP_TYPE_STROKE_DESC,
"gimp", gimp,
"paint-info", paint_info,
NULL);
gimp_context_define_properties (GIMP_CONTEXT (desc->stroke_options),
GIMP_CONTEXT_FOREGROUND_MASK |
GIMP_CONTEXT_PATTERN_MASK,
FALSE);
if (context)
gimp_context_set_parent (GIMP_CONTEXT (desc->stroke_options), context);
return desc;
}
GimpStrokeDesc *
gimp_stroke_desc_duplicate (GimpStrokeDesc *desc)
{
GimpStrokeDesc *new_desc;
GimpStrokeOptions *stroke_options = NULL;
GimpPaintInfo *paint_info = NULL;
GimpPaintOptions *paint_options = NULL;
new_desc = gimp_stroke_desc_new (desc->gimp,
GIMP_CONTEXT (desc->stroke_options));
new_desc->method = desc->method;
g_object_get (G_OBJECT (desc),
"stroke-options", stroke_options,
"paint-info", paint_info,
"paint-options", paint_options,
NULL);
g_object_set (G_OBJECT (new_desc),
"stroke-options", stroke_options,
"paint-info", paint_info,
"paint-options", paint_options,
NULL);
return new_desc;
}
void
gimp_stroke_desc_prepare (GimpStrokeDesc *desc,
GimpContext *context,
gboolean use_default_values)
{
g_return_if_fail (GIMP_IS_STROKE_DESC (desc));
g_return_if_fail (GIMP_IS_CONTEXT (context));
switch (desc->method)
{
case GIMP_STROKE_METHOD_LIBART:
break;
case GIMP_STROKE_METHOD_PAINT_CORE:
{
GimpPaintInfo *paint_info = desc->paint_info;
GimpPaintOptions *paint_options;
if (use_default_values)
{
paint_options = gimp_paint_options_new (paint_info);
/* undefine the paint-relevant context properties and get them
* from the passed context
*/
gimp_context_define_properties (GIMP_CONTEXT (paint_options),
GIMP_CONTEXT_PAINT_PROPS_MASK,
FALSE);
gimp_context_set_parent (GIMP_CONTEXT (paint_options), context);
}
else
{
GimpCoreConfig *config = context->gimp->config;
GimpContextPropMask global_props = 0;
paint_options =
gimp_config_duplicate (GIMP_CONFIG (paint_info->paint_options));
/* FG and BG are always shared between all tools */
global_props |= GIMP_CONTEXT_FOREGROUND_MASK;
global_props |= GIMP_CONTEXT_BACKGROUND_MASK;
if (config->global_brush)
global_props |= GIMP_CONTEXT_BRUSH_MASK;
if (config->global_pattern)
global_props |= GIMP_CONTEXT_PATTERN_MASK;
if (config->global_palette)
global_props |= GIMP_CONTEXT_PALETTE_MASK;
if (config->global_gradient)
global_props |= GIMP_CONTEXT_GRADIENT_MASK;
if (config->global_font)
global_props |= GIMP_CONTEXT_FONT_MASK;
gimp_context_copy_properties (context,
GIMP_CONTEXT (paint_options),
global_props);
}
g_object_set (desc, "paint-options", paint_options, NULL);
g_object_unref (paint_options);
}
break;
default:
g_return_if_reached ();
}
}
void
gimp_stroke_desc_finish (GimpStrokeDesc *desc)
{
g_return_if_fail (GIMP_IS_STROKE_DESC (desc));
g_object_set (desc, "paint-options", NULL, NULL);
}
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