mirror of https://github.com/GNOME/gimp.git
550 lines
14 KiB
C
550 lines
14 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* ParamSpecs for config objects
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* Copyright (C) 2001-2003 Sven Neumann <sven@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <glib-object.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpmath/gimpmath.h"
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#include "config-types.h"
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#include "gimpconfig-params.h"
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#include "gimpconfig-types.h"
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/*
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* GIMP_TYPE_PARAM_COLOR
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*/
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#define GIMP_PARAM_SPEC_COLOR(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GIMP_TYPE_PARAM_COLOR, GimpParamSpecColor))
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static void gimp_param_color_class_init (GParamSpecClass *class);
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static void gimp_param_color_init (GParamSpec *pspec);
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static void gimp_param_color_set_default (GParamSpec *pspec,
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GValue *value);
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static gboolean gimp_param_color_validate (GParamSpec *pspec,
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GValue *value);
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static gint gimp_param_color_values_cmp (GParamSpec *pspec,
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const GValue *value1,
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const GValue *value2);
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typedef struct _GimpParamSpecColor GimpParamSpecColor;
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struct _GimpParamSpecColor
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{
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GParamSpecBoxed parent_instance;
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GimpRGB default_value;
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};
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GType
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gimp_param_color_get_type (void)
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{
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static GType spec_type = 0;
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if (!spec_type)
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{
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static const GTypeInfo type_info =
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{
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sizeof (GParamSpecClass),
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NULL, NULL,
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(GClassInitFunc) gimp_param_color_class_init,
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NULL, NULL,
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sizeof (GimpParamSpecColor),
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0,
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(GInstanceInitFunc) gimp_param_color_init
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};
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spec_type = g_type_register_static (G_TYPE_PARAM_BOXED,
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"GimpParamColor",
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&type_info, 0);
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}
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return spec_type;
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}
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static void
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gimp_param_color_class_init (GParamSpecClass *class)
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{
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class->value_type = GIMP_TYPE_COLOR;
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class->value_set_default = gimp_param_color_set_default;
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class->value_validate = gimp_param_color_validate;
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class->values_cmp = gimp_param_color_values_cmp;
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}
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static void
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gimp_param_color_init (GParamSpec *pspec)
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{
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GimpParamSpecColor *cspec = GIMP_PARAM_SPEC_COLOR (pspec);
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gimp_rgba_set (&cspec->default_value, 0.0, 0.0, 0.0, 0.0);
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}
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static void
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gimp_param_color_set_default (GParamSpec *pspec,
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GValue *value)
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{
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GimpParamSpecColor *cspec = GIMP_PARAM_SPEC_COLOR (pspec);
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g_value_set_static_boxed (value, &cspec->default_value);
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}
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static gboolean
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gimp_param_color_validate (GParamSpec *pspec,
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GValue *value)
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{
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GimpRGB *color;
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color = value->data[0].v_pointer;
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if (color)
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{
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GimpRGB oval;
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oval = *color;
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gimp_rgb_clamp (color);
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return (oval.r != color->r ||
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oval.g != color->g ||
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oval.b != color->b ||
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oval.a != color->a);
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}
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return FALSE;
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}
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static gint
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gimp_param_color_values_cmp (GParamSpec *pspec,
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const GValue *value1,
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const GValue *value2)
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{
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GimpRGB *color1;
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GimpRGB *color2;
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color1 = value1->data[0].v_pointer;
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color2 = value2->data[0].v_pointer;
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/* try to return at least *something*, it's useless anyway... */
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if (! color1)
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return color2 != NULL ? -1 : 0;
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else if (! color2)
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return color1 != NULL;
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else
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{
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guint32 int1, int2;
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gimp_rgba_get_uchar (color1,
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((guchar *) &int1) + 0,
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((guchar *) &int1) + 1,
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((guchar *) &int1) + 2,
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((guchar *) &int1) + 3);
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gimp_rgba_get_uchar (color2,
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((guchar *) &int2) + 0,
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((guchar *) &int2) + 1,
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((guchar *) &int2) + 2,
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((guchar *) &int2) + 3);
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return int1 - int2;
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}
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}
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GParamSpec *
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gimp_param_spec_color (const gchar *name,
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const gchar *nick,
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const gchar *blurb,
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const GimpRGB *default_value,
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GParamFlags flags)
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{
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GimpParamSpecColor *cspec;
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g_return_val_if_fail (default_value != NULL, NULL);
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cspec = g_param_spec_internal (GIMP_TYPE_PARAM_COLOR,
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name, nick, blurb, flags);
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cspec->default_value = *default_value;
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return G_PARAM_SPEC (cspec);
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}
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/*
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* GIMP_TYPE_PARAM_MATRIX2
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*/
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#define GIMP_PARAM_SPEC_MATRIX2(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GIMP_TYPE_PARAM_MATRIX2, GimpParamSpecMatrix2))
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static void gimp_param_matrix2_class_init (GParamSpecClass *class);
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static void gimp_param_matrix2_init (GParamSpec *pspec);
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static void gimp_param_matrix2_set_default (GParamSpec *pspec,
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GValue *value);
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static gint gimp_param_matrix2_values_cmp (GParamSpec *pspec,
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const GValue *value1,
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const GValue *value2);
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typedef struct _GimpParamSpecMatrix2 GimpParamSpecMatrix2;
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struct _GimpParamSpecMatrix2
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{
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GParamSpecBoxed parent_instance;
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GimpMatrix2 default_value;
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};
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GType
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gimp_param_matrix2_get_type (void)
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{
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static GType spec_type = 0;
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if (!spec_type)
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{
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static const GTypeInfo type_info =
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{
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sizeof (GParamSpecClass),
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NULL, NULL,
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(GClassInitFunc) gimp_param_matrix2_class_init,
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NULL, NULL,
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sizeof (GimpParamSpecMatrix2),
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0,
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(GInstanceInitFunc) gimp_param_matrix2_init
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};
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spec_type = g_type_register_static (G_TYPE_PARAM_BOXED,
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"GimpParamMatrix2",
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&type_info, 0);
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}
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return spec_type;
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}
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static void
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gimp_param_matrix2_class_init (GParamSpecClass *class)
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{
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class->value_type = GIMP_TYPE_MATRIX2;
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class->value_set_default = gimp_param_matrix2_set_default;
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class->values_cmp = gimp_param_matrix2_values_cmp;
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}
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static void
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gimp_param_matrix2_init (GParamSpec *pspec)
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{
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GimpParamSpecMatrix2 *cspec = GIMP_PARAM_SPEC_MATRIX2 (pspec);
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gimp_matrix2_identity (&cspec->default_value);
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}
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static void
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gimp_param_matrix2_set_default (GParamSpec *pspec,
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GValue *value)
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{
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GimpParamSpecMatrix2 *cspec = GIMP_PARAM_SPEC_MATRIX2 (pspec);
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g_value_set_static_boxed (value, &cspec->default_value);
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}
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static gint
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gimp_param_matrix2_values_cmp (GParamSpec *pspec,
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const GValue *value1,
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const GValue *value2)
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{
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GimpMatrix2 *matrix1;
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GimpMatrix2 *matrix2;
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gint i, j;
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matrix1 = value1->data[0].v_pointer;
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matrix2 = value2->data[0].v_pointer;
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/* try to return at least *something*, it's useless anyway... */
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if (! matrix1)
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return matrix2 != NULL ? -1 : 0;
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else if (! matrix2)
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return matrix1 != NULL;
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for (i = 0; i < 2; i++)
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for (j = 0; j < 2; j++)
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if (matrix1->coeff[i][j] != matrix2->coeff[i][j])
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return 1;
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return 0;
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}
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GParamSpec *
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gimp_param_spec_matrix2 (const gchar *name,
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const gchar *nick,
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const gchar *blurb,
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const GimpMatrix2 *default_value,
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GParamFlags flags)
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{
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GimpParamSpecMatrix2 *cspec;
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g_return_val_if_fail (default_value != NULL, NULL);
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cspec = g_param_spec_internal (GIMP_TYPE_PARAM_MATRIX2,
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name, nick, blurb, flags);
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cspec->default_value = *default_value;
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return G_PARAM_SPEC (cspec);
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}
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/*
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* GIMP_TYPE_PARAM_MEMSIZE
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*/
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static void gimp_param_memsize_class_init (GParamSpecClass *class);
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GType
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gimp_param_memsize_get_type (void)
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{
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static GType spec_type = 0;
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if (!spec_type)
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{
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static const GTypeInfo type_info =
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{
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sizeof (GParamSpecClass),
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NULL, NULL,
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(GClassInitFunc) gimp_param_memsize_class_init,
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NULL, NULL,
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sizeof (GParamSpecUInt64),
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0, NULL, NULL
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};
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spec_type = g_type_register_static (G_TYPE_PARAM_UINT64,
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"GimpParamMemsize",
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&type_info, 0);
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}
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return spec_type;
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}
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static void
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gimp_param_memsize_class_init (GParamSpecClass *class)
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{
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class->value_type = GIMP_TYPE_MEMSIZE;
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}
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GParamSpec *
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gimp_param_spec_memsize (const gchar *name,
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const gchar *nick,
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const gchar *blurb,
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guint64 minimum,
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guint64 maximum,
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guint64 default_value,
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GParamFlags flags)
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{
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GParamSpecUInt64 *pspec;
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pspec = g_param_spec_internal (GIMP_TYPE_PARAM_MEMSIZE,
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name, nick, blurb, flags);
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pspec->minimum = minimum;
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pspec->maximum = maximum;
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pspec->default_value = default_value;
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return G_PARAM_SPEC (pspec);
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}
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/*
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* GIMP_TYPE_PARAM_PATH
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*/
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#define GIMP_PARAM_SPEC_PATH(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GIMP_TYPE_PARAM_PATH, GimpParamSpecPath))
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typedef struct _GimpParamSpecPath GimpParamSpecPath;
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struct _GimpParamSpecPath
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{
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GParamSpecString parent_instance;
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GimpParamPathType type;
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};
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static void gimp_param_path_class_init (GParamSpecClass *class);
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GType
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gimp_param_path_get_type (void)
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{
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static GType spec_type = 0;
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if (!spec_type)
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{
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static const GTypeInfo type_info =
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{
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sizeof (GParamSpecClass),
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NULL, NULL,
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(GClassInitFunc) gimp_param_path_class_init,
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NULL, NULL,
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sizeof (GimpParamSpecPath),
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0, NULL, NULL
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};
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spec_type = g_type_register_static (G_TYPE_PARAM_STRING,
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"GimpParamPath",
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&type_info, 0);
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}
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return spec_type;
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}
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static void
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gimp_param_path_class_init (GParamSpecClass *class)
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{
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class->value_type = GIMP_TYPE_PATH;
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}
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GParamSpec *
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gimp_param_spec_path (const gchar *name,
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const gchar *nick,
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const gchar *blurb,
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GimpParamPathType type,
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gchar *default_value,
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GParamFlags flags)
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{
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GParamSpecString *pspec;
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pspec = g_param_spec_internal (GIMP_TYPE_PARAM_PATH,
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name, nick, blurb, flags);
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pspec->default_value = default_value;
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GIMP_PARAM_SPEC_PATH (pspec)->type = type;
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return G_PARAM_SPEC (pspec);
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}
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GimpParamPathType
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gimp_param_spec_path_type (GParamSpec *pspec)
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{
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g_return_val_if_fail (GIMP_IS_PARAM_SPEC_PATH (pspec), 0);
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return GIMP_PARAM_SPEC_PATH (pspec)->type;
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}
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/*
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* GIMP_TYPE_PARAM_UNIT
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*/
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#define GIMP_PARAM_SPEC_UNIT(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GIMP_TYPE_PARAM_UNIT, GimpParamSpecUnit))
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typedef struct _GimpParamSpecUnit GimpParamSpecUnit;
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struct _GimpParamSpecUnit
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{
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GParamSpecInt parent_instance;
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gboolean allow_percent;
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};
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static void gimp_param_unit_class_init (GParamSpecClass *class);
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static gboolean gimp_param_unit_value_validate (GParamSpec *pspec,
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GValue *value);
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GType
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gimp_param_unit_get_type (void)
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{
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static GType spec_type = 0;
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if (!spec_type)
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{
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static const GTypeInfo type_info =
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{
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sizeof (GParamSpecClass),
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NULL, NULL,
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(GClassInitFunc) gimp_param_unit_class_init,
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NULL, NULL,
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sizeof (GimpParamSpecUnit),
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0, NULL, NULL
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};
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spec_type = g_type_register_static (G_TYPE_PARAM_INT,
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"GimpParamUnit",
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&type_info, 0);
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}
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return spec_type;
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}
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static void
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gimp_param_unit_class_init (GParamSpecClass *class)
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{
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class->value_type = GIMP_TYPE_UNIT;
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class->value_validate = gimp_param_unit_value_validate;
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}
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static gboolean
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gimp_param_unit_value_validate (GParamSpec *pspec,
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GValue *value)
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{
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GParamSpecInt *ispec = G_PARAM_SPEC_INT (pspec);
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GimpParamSpecUnit *uspec = GIMP_PARAM_SPEC_UNIT (pspec);
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gint oval = value->data[0].v_int;
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if (uspec->allow_percent && value->data[0].v_int == GIMP_UNIT_PERCENT)
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{
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value->data[0].v_int = value->data[0].v_int;
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}
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else
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{
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value->data[0].v_int = CLAMP (value->data[0].v_int,
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ispec->minimum,
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gimp_unit_get_number_of_units () - 1);
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}
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return value->data[0].v_int != oval;
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}
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GParamSpec *
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gimp_param_spec_unit (const gchar *name,
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const gchar *nick,
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const gchar *blurb,
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gboolean allow_pixels,
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gboolean allow_percent,
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GimpUnit default_value,
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GParamFlags flags)
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{
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GimpParamSpecUnit *pspec;
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GParamSpecInt *ispec;
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pspec = g_param_spec_internal (GIMP_TYPE_PARAM_UNIT,
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name, nick, blurb, flags);
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ispec = G_PARAM_SPEC_INT (pspec);
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ispec->default_value = default_value;
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ispec->minimum = allow_pixels ? GIMP_UNIT_PIXEL : GIMP_UNIT_INCH;
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ispec->maximum = GIMP_UNIT_PERCENT - 1;
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pspec->allow_percent = allow_percent;
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return G_PARAM_SPEC (pspec);
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}
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