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gimp/app/config/gimpconfig-params.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* ParamSpecs for config objects
* Copyright (C) 2001 Sven Neumann <sven@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 "libgimpcolor/gimpcolor.h"
#include "gimpconfig-params.h"
#include "gimpconfig-types.h"
/*
* GIMP_TYPE_PARAM_COLOR
*/
#define GIMP_PARAM_SPEC_COLOR(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GIMP_TYPE_PARAM_COLOR, GimpParamSpecColor))
static void gimp_param_color_class_init (GParamSpecClass *class);
static void gimp_param_color_init (GParamSpec *pspec);
static void gimp_param_color_set_default (GParamSpec *pspec,
GValue *value);
static gboolean gimp_param_color_validate (GParamSpec *pspec,
GValue *value);
static gint gimp_param_color_values_cmp (GParamSpec *pspec,
const GValue *value1,
const GValue *value2);
typedef struct _GimpParamSpecColor GimpParamSpecColor;
struct _GimpParamSpecColor
{
GParamSpecBoxed parent_instance;
GimpRGB default_value;
};
GType
gimp_param_color_get_type (void)
{
static GType spec_type = 0;
if (!spec_type)
{
static const GTypeInfo type_info =
{
sizeof (GParamSpecClass),
NULL, NULL,
(GClassInitFunc) gimp_param_color_class_init,
NULL, NULL,
sizeof (GimpParamSpecColor),
0,
(GInstanceInitFunc) gimp_param_color_init
};
spec_type = g_type_register_static (G_TYPE_PARAM_BOXED,
"GimpParamColor",
&type_info, 0);
}
return spec_type;
}
static void
gimp_param_color_class_init (GParamSpecClass *class)
{
class->value_type = GIMP_TYPE_COLOR;
class->value_set_default = gimp_param_color_set_default;
class->value_validate = gimp_param_color_validate;
class->values_cmp = gimp_param_color_values_cmp;
}
static void
gimp_param_color_init (GParamSpec *pspec)
{
GimpParamSpecColor *cspec = GIMP_PARAM_SPEC_COLOR (pspec);
gimp_rgba_set (&cspec->default_value, 0.0, 0.0, 0.0, 0.0);
}
static void
gimp_param_color_set_default (GParamSpec *pspec,
GValue *value)
{
GimpParamSpecColor *cspec = GIMP_PARAM_SPEC_COLOR (pspec);
g_value_set_static_boxed (value, &cspec->default_value);
}
static gboolean
gimp_param_color_validate (GParamSpec *pspec,
GValue *value)
{
GimpRGB *color;
color = value->data[0].v_pointer;
if (color)
{
GimpRGB oval;
oval = *color;
gimp_rgb_clamp (color);
return (oval.r != color->r ||
oval.g != color->g ||
oval.b != color->b ||
oval.a != color->a);
}
return FALSE;
}
static gint
gimp_param_color_values_cmp (GParamSpec *pspec,
const GValue *value1,
const GValue *value2)
{
GimpRGB *color1;
GimpRGB *color2;
color1 = value1->data[0].v_pointer;
color2 = value2->data[0].v_pointer;
/* try to return at least *something*, it's useless anyway... */
if (! color1)
return color2 != NULL ? -1 : 0;
else if (! color2)
return color1 != NULL;
else
{
guint32 int1, int2;
gimp_rgba_get_uchar (color1,
((guchar *) &int1) + 0,
((guchar *) &int1) + 1,
((guchar *) &int1) + 2,
((guchar *) &int1) + 3);
gimp_rgba_get_uchar (color2,
((guchar *) &int2) + 0,
((guchar *) &int2) + 1,
((guchar *) &int2) + 2,
((guchar *) &int2) + 3);
return int1 - int2;
}
}
GParamSpec *
gimp_param_spec_color (const gchar *name,
const gchar *nick,
const gchar *blurb,
const GimpRGB *default_value,
GParamFlags flags)
{
GimpParamSpecColor *cspec;
g_return_val_if_fail (default_value != NULL, NULL);
cspec = g_param_spec_internal (GIMP_TYPE_PARAM_COLOR,
name, nick, blurb, flags);
cspec->default_value = *default_value;
return G_PARAM_SPEC (cspec);
}
/*
* GIMP_TYPE_PARAM_MEMSIZE
*/
static void gimp_param_memsize_class_init (GParamSpecClass *class);
GType
gimp_param_memsize_get_type (void)
{
static GType spec_type = 0;
if (!spec_type)
{
static const GTypeInfo type_info =
{
sizeof (GParamSpecClass),
NULL, NULL,
(GClassInitFunc) gimp_param_memsize_class_init,
NULL, NULL,
sizeof (GParamSpecULong),
0, NULL, NULL
};
spec_type = g_type_register_static (G_TYPE_PARAM_ULONG,
"GimpParamMemsize",
&type_info, 0);
}
return spec_type;
}
static void
gimp_param_memsize_class_init (GParamSpecClass *class)
{
class->value_type = GIMP_TYPE_MEMSIZE;
}
GParamSpec *
gimp_param_spec_memsize (const gchar *name,
const gchar *nick,
const gchar *blurb,
gulong minimum,
gulong maximum,
gulong default_value,
GParamFlags flags)
{
GParamSpecULong *pspec;
pspec = g_param_spec_internal (GIMP_TYPE_PARAM_MEMSIZE,
name, nick, blurb, flags);
pspec->minimum = minimum;
pspec->maximum = maximum;
pspec->default_value = default_value;
return G_PARAM_SPEC (pspec);
}
/*
* GIMP_TYPE_PARAM_PATH
*/
#define GIMP_PARAM_SPEC_PATH(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GIMP_TYPE_PARAM_PATH, GimpParamSpecPath))
typedef struct _GimpParamSpecPath GimpParamSpecPath;
struct _GimpParamSpecPath
{
GParamSpecString parent_instance;
GimpParamPathType type;
};
static void gimp_param_path_class_init (GParamSpecClass *class);
GType
gimp_param_path_get_type (void)
{
static GType spec_type = 0;
if (!spec_type)
{
static const GTypeInfo type_info =
{
sizeof (GParamSpecClass),
NULL, NULL,
(GClassInitFunc) gimp_param_path_class_init,
NULL, NULL,
sizeof (GimpParamSpecPath),
0, NULL, NULL
};
spec_type = g_type_register_static (G_TYPE_PARAM_STRING,
"GimpParamPath",
&type_info, 0);
}
return spec_type;
}
static void
gimp_param_path_class_init (GParamSpecClass *class)
{
class->value_type = GIMP_TYPE_PATH;
}
GParamSpec *
gimp_param_spec_path (const gchar *name,
const gchar *nick,
const gchar *blurb,
GimpParamPathType type,
gchar *default_value,
GParamFlags flags)
{
GParamSpecString *pspec;
pspec = g_param_spec_internal (GIMP_TYPE_PARAM_PATH,
name, nick, blurb, flags);
pspec->default_value = default_value;
GIMP_PARAM_SPEC_PATH (pspec)->type = type;
return G_PARAM_SPEC (pspec);
}
GimpParamPathType
gimp_param_spec_path_type (GParamSpec *pspec)
{
g_return_val_if_fail (GIMP_IS_PARAM_SPEC_PATH (pspec), 0);
return GIMP_PARAM_SPEC_PATH (pspec)->type;
}
/*
* GIMP_TYPE_PARAM_UNIT
*/
static void gimp_param_unit_class_init (GParamSpecClass *class);
static gboolean gimp_param_unit_value_validate (GParamSpec *pspec,
GValue *value);
GType
gimp_param_unit_get_type (void)
{
static GType spec_type = 0;
if (!spec_type)
{
static const GTypeInfo type_info =
{
sizeof (GParamSpecClass),
NULL, NULL,
(GClassInitFunc) gimp_param_unit_class_init,
NULL, NULL,
sizeof (GParamSpecInt),
0, NULL, NULL
};
spec_type = g_type_register_static (G_TYPE_PARAM_INT,
"GimpParamUnit",
&type_info, 0);
}
return spec_type;
}
static void
gimp_param_unit_class_init (GParamSpecClass *class)
{
class->value_type = GIMP_TYPE_UNIT;
class->value_validate = gimp_param_unit_value_validate;
}
static gboolean
gimp_param_unit_value_validate (GParamSpec *pspec,
GValue *value)
{
GParamSpecInt *ispec = G_PARAM_SPEC_INT (pspec);
gint oval = value->data[0].v_int;
value->data[0].v_int = CLAMP (value->data[0].v_int,
ispec->minimum,
gimp_unit_get_number_of_units () - 1);
return value->data[0].v_int != oval;
}
GParamSpec *
gimp_param_spec_unit (const gchar *name,
const gchar *nick,
const gchar *blurb,
gboolean allow_pixels,
GimpUnit default_value,
GParamFlags flags)
{
GParamSpecInt *pspec;
pspec = g_param_spec_internal (GIMP_TYPE_PARAM_UNIT,
name, nick, blurb, flags);
pspec->default_value = default_value;
pspec->minimum = allow_pixels ? GIMP_UNIT_PIXEL : GIMP_UNIT_INCH;
pspec->maximum = G_MAXINT;
return G_PARAM_SPEC (pspec);
}
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