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gimp/app/tools/gimprectangleoptions.c
William Skaggs bc355f4f45 Bill Skaggs <weskaggs@primate.ucdavis.edu> 
* app/widgets/gimppropwidgets.c
	* app/tools/gimprectangleoptions.c: add functionality
	for aspect ratio control.
2006-09-23 19:40:40 +00:00

571 lines
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/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
*
* 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 "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimptooloptions.h"
#include "widgets/gimppropwidgets.h"
#include "gimprectangleoptions.h"
#include "gimptooloptions-gui.h"
#include "gimp-intl.h"
#define GIMP_RECTANGLE_OPTIONS_GET_PRIVATE(obj) (gimp_rectangle_options_get_private ((GimpRectangleOptions *) (obj)))
typedef struct _GimpRectangleOptionsPrivate GimpRectangleOptionsPrivate;
struct _GimpRectangleOptionsPrivate
{
gboolean highlight;
GimpRectangleGuide guide;
gdouble x0;
gdouble y0;
gboolean fixed_width;
gdouble width;
gboolean fixed_height;
gdouble height;
gboolean fixed_aspect;
gdouble aspect_numerator;
gdouble aspect_denominator;
gboolean fixed_center;
gdouble center_x;
gdouble center_y;
GimpUnit unit;
};
static void gimp_rectangle_options_iface_base_init (GimpRectangleOptionsInterface *rectangle_options_iface);
static GimpRectangleOptionsPrivate *
gimp_rectangle_options_get_private (GimpRectangleOptions *options);
GType
gimp_rectangle_options_interface_get_type (void)
{
static GType iface_type = 0;
if (!iface_type)
{
static const GTypeInfo iface_info =
{
sizeof (GimpRectangleOptionsInterface),
(GBaseInitFunc) gimp_rectangle_options_iface_base_init,
(GBaseFinalizeFunc) NULL,
};
iface_type = g_type_register_static (G_TYPE_INTERFACE,
"GimpRectangleOptionsInterface",
&iface_info, 0);
g_type_interface_add_prerequisite (iface_type, GIMP_TYPE_TOOL_OPTIONS);
}
return iface_type;
}
static void
gimp_rectangle_options_iface_base_init (GimpRectangleOptionsInterface *iface)
{
static gboolean initialized = FALSE;
if (! initialized)
{
g_object_interface_install_property (iface,
g_param_spec_boolean ("highlight",
NULL, NULL,
TRUE,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_enum ("guide",
NULL, NULL,
GIMP_TYPE_RECTANGLE_GUIDE,
GIMP_RECTANGLE_GUIDE_NONE,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_double ("x0",
NULL, NULL,
-GIMP_MAX_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE,
0.0,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_double ("y0",
NULL, NULL,
-GIMP_MAX_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE,
0.0,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_boolean ("fixed-width",
NULL, NULL,
FALSE,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_double ("width",
NULL, NULL,
0.0, GIMP_MAX_IMAGE_SIZE,
0.0,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_boolean ("fixed-height",
NULL, NULL,
FALSE,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_double ("height",
NULL, NULL,
0.0, GIMP_MAX_IMAGE_SIZE,
0.0,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_boolean ("fixed-aspect",
NULL, NULL,
FALSE,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_double ("aspect-numerator",
NULL, NULL,
0.0, GIMP_MAX_IMAGE_SIZE,
1.0,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_double ("aspect-denominator",
NULL, NULL,
0.0, GIMP_MAX_IMAGE_SIZE,
1.0,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_boolean ("fixed-center",
NULL, NULL,
FALSE,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_double ("center-x",
NULL, NULL,
-GIMP_MAX_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE,
0.0,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
g_param_spec_double ("center-y",
NULL, NULL,
-GIMP_MAX_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE,
0.0,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
g_object_interface_install_property (iface,
gimp_param_spec_unit ("unit",
NULL, NULL,
TRUE, TRUE,
GIMP_UNIT_PIXEL,
GIMP_CONFIG_PARAM_FLAGS |
GIMP_PARAM_STATIC_STRINGS));
initialized = TRUE;
}
}
static void
gimp_rectangle_options_private_finalize (GimpRectangleOptionsPrivate *private)
{
g_free (private);
}
static GimpRectangleOptionsPrivate *
gimp_rectangle_options_get_private (GimpRectangleOptions *options)
{
GimpRectangleOptionsPrivate *private;
static GQuark private_key = 0;
g_return_val_if_fail (GIMP_IS_RECTANGLE_OPTIONS (options), NULL);
if (! private_key)
private_key = g_quark_from_static_string ("gimp-rectangle-options-private");
private = g_object_get_qdata (G_OBJECT (options), private_key);
if (! private)
{
private = g_new0 (GimpRectangleOptionsPrivate, 1);
g_object_set_qdata_full (G_OBJECT (options), private_key, private,
(GDestroyNotify) gimp_rectangle_options_private_finalize);
}
return private;
}
/**
* gimp_rectangle_options_install_properties:
* @klass: the class structure for a type deriving from #GObject
*
* Installs the necessary properties for a class implementing
* #GimpRectangleOptions. A #GimpRectangleOptionsProp property is installed
* for each property, using the values from the #GimpRectangleOptionsProp
* enumeration. The caller must make sure itself that the enumeration
* values don't collide with some other property values they
* are using (that's what %GIMP_RECTANGLE_OPTIONS_PROP_LAST is good for).
**/
void
gimp_rectangle_options_install_properties (GObjectClass *klass)
{
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_HIGHLIGHT,
"highlight");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_GUIDE,
"guide");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_X0,
"x0");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_Y0,
"y0");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_FIXED_WIDTH,
"fixed-width");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_WIDTH,
"width");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_FIXED_HEIGHT,
"fixed-height");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_HEIGHT,
"height");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_FIXED_ASPECT,
"fixed-aspect");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_ASPECT_NUMERATOR,
"aspect-numerator");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_ASPECT_DENOMINATOR,
"aspect-denominator");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_FIXED_CENTER,
"fixed-center");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_CENTER_X,
"center-x");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_CENTER_Y,
"center-y");
g_object_class_override_property (klass,
GIMP_RECTANGLE_OPTIONS_PROP_UNIT,
"unit");
}
void
gimp_rectangle_options_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpRectangleOptions *options = GIMP_RECTANGLE_OPTIONS (object);
GimpRectangleOptionsPrivate *private;
private = GIMP_RECTANGLE_OPTIONS_GET_PRIVATE (options);
switch (property_id)
{
case GIMP_RECTANGLE_OPTIONS_PROP_HIGHLIGHT:
private->highlight = g_value_get_boolean (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_GUIDE:
private->guide = g_value_get_enum (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_X0:
private->x0 = g_value_get_double (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_Y0:
private->y0 = g_value_get_double (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_FIXED_WIDTH:
private->fixed_width = g_value_get_boolean (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_WIDTH:
private->width = g_value_get_double (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_FIXED_HEIGHT:
private->fixed_height = g_value_get_boolean (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_HEIGHT:
private->height = g_value_get_double (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_FIXED_ASPECT:
private->fixed_aspect = g_value_get_boolean (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_ASPECT_NUMERATOR:
private->aspect_numerator = g_value_get_double (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_ASPECT_DENOMINATOR:
private->aspect_denominator = g_value_get_double (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_FIXED_CENTER:
private->fixed_center = g_value_get_boolean (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_CENTER_X:
private->center_x = g_value_get_double (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_CENTER_Y:
private->center_y = g_value_get_double (value);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_UNIT:
private->unit = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
void
gimp_rectangle_options_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpRectangleOptions *options = GIMP_RECTANGLE_OPTIONS (object);
GimpRectangleOptionsPrivate *private;
private = GIMP_RECTANGLE_OPTIONS_GET_PRIVATE (options);
switch (property_id)
{
case GIMP_RECTANGLE_OPTIONS_PROP_HIGHLIGHT:
g_value_set_boolean (value, private->highlight);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_GUIDE:
g_value_set_enum (value, private->guide);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_X0:
g_value_set_double (value, private->x0);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_Y0:
g_value_set_double (value, private->y0);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_FIXED_WIDTH:
g_value_set_boolean (value, private->fixed_width);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_WIDTH:
g_value_set_double (value, private->width);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_FIXED_HEIGHT:
g_value_set_boolean (value, private->fixed_height);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_HEIGHT:
g_value_set_double (value, private->height);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_FIXED_ASPECT:
g_value_set_boolean (value, private->fixed_aspect);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_ASPECT_NUMERATOR:
g_value_set_double (value, private->aspect_numerator);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_ASPECT_DENOMINATOR:
g_value_set_double (value, private->aspect_denominator);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_FIXED_CENTER:
g_value_set_boolean (value, private->fixed_center);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_CENTER_X:
g_value_set_double (value, private->center_x);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_CENTER_Y:
g_value_set_double (value, private->center_y);
break;
case GIMP_RECTANGLE_OPTIONS_PROP_UNIT:
g_value_set_int (value, private->unit);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
GtkWidget *
gimp_rectangle_options_gui (GimpToolOptions *tool_options)
{
GObject *config = G_OBJECT (tool_options);
GtkWidget *vbox = gimp_tool_options_gui (tool_options);
GtkWidget *button;
GtkWidget *combo;
GtkWidget *table;
GtkWidget *entry;
GtkWidget *hbox;
GtkWidget *label;
gint row;
button = gimp_prop_check_button_new (config, "fixed-center",
_("Expand from center"));
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
button = gimp_prop_check_button_new (config, "highlight",
_("Highlight"));
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
table = gtk_table_new (6, 6, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 5);
gtk_table_set_row_spacings (GTK_TABLE (table), 5);
gtk_box_pack_start (GTK_BOX (hbox), table, FALSE, FALSE, 5);
/* X */
row = 0;
entry = gimp_prop_size_entry_new (config, "x0", "unit", "%a",
GIMP_SIZE_ENTRY_UPDATE_SIZE, 300);
label = gtk_label_new (_("X"));
gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, row, row + 1);
gtk_widget_show (label);
gimp_size_entry_show_unit_menu (GIMP_SIZE_ENTRY (entry), FALSE);
gtk_table_attach_defaults (GTK_TABLE (table), entry, 2, 5, row, row + 1);
gtk_widget_show (entry);
/* Y */
row++;
entry = gimp_prop_size_entry_new (config, "y0", "unit", "%a",
GIMP_SIZE_ENTRY_UPDATE_SIZE, 300);
label = gtk_label_new (_("Y"));
gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, row, row + 1);
gtk_widget_show (label);
gimp_size_entry_show_unit_menu (GIMP_SIZE_ENTRY (entry), FALSE);
gtk_table_attach_defaults (GTK_TABLE (table), entry, 2, 5, row, row + 1);
gtk_widget_show (entry);
/* Width */
row++;
entry = gimp_prop_size_entry_new (config, "width", "unit", "%a",
GIMP_SIZE_ENTRY_UPDATE_SIZE, 300);
label = gtk_label_new (_("Width"));
gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, row, row + 1);
gtk_widget_show (label);
gimp_size_entry_show_unit_menu (GIMP_SIZE_ENTRY (entry), FALSE);
gtk_table_attach_defaults (GTK_TABLE (table), entry, 2, 5, row, row + 1);
gtk_widget_show (entry);
button = gimp_prop_check_button_new (config, "fixed-width", _("Fix"));
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
gtk_widget_show (button);
gtk_table_attach_defaults (GTK_TABLE (table), button, 5, 6, row, row + 1);
/* Height */
row++;
label = gtk_label_new (_("Height"));
gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, row, row + 1);
gtk_widget_show (label);
entry = gimp_prop_size_entry_new (config, "height", "unit", "%a",
GIMP_SIZE_ENTRY_UPDATE_SIZE, 300);
gimp_size_entry_show_unit_menu (GIMP_SIZE_ENTRY (entry), FALSE);
gtk_table_attach_defaults (GTK_TABLE (table), entry, 2, 5, row, row + 1);
gtk_widget_show (entry);
button = gimp_prop_check_button_new (config, "fixed-height", _("Fix"));
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
gtk_widget_show (button);
gtk_table_attach_defaults (GTK_TABLE (table), button, 5, 6, row, row + 1);
/* Aspect */
row++;
label = gtk_label_new (_("Aspect"));
gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, row, row + 1);
gtk_widget_show (label);
gimp_prop_aspect_ratio_new (config,
"aspect-numerator",
"aspect-denominator",
"fixed-aspect",
"width",
"height",
3,
GTK_TABLE (table),
row, 2);
button = gimp_prop_check_button_new (config, "fixed-aspect", _("Fix"));
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
gtk_widget_show (button);
gtk_table_attach_defaults (GTK_TABLE (table), button, 5, 6, row, row + 1);
gtk_widget_show (table);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 10);
gtk_widget_show (hbox);
combo = gimp_prop_enum_combo_box_new (config, "guide", 0, 0);
gtk_box_pack_start (GTK_BOX (hbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
return vbox;
}
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