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Gimp/app/tools/gimpalignoptions.c
João S. O. Bueno 72ac53705f Adds "fill" arrange modes to the Align Tool 
The Align Tool had to be used in a very hacky way if one
intended to evenly distribute items across an image,
or other reference object (it would actually require one to
calculate the item spacing out of GIMP). This adds vertical
and horizontal fill modes: the reference object is divided
in N equal segments, where N is the number of items,
and each item is placed in the center of one of
these segments. The existing "offset" parameter
is used as an extra margin for the distribution,
and can be set to negative values, so that the items can
even get moved outside the boundaries of the reference object.
2014-03-13 03:38:53 -03:00

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 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 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimpmarshal.h"
#include "gimpalignoptions.h"
#include "gimptooloptions-gui.h"
#include "gimp-intl.h"
enum
{
ALIGN_BUTTON_CLICKED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_ALIGN_REFERENCE,
PROP_OFFSET_X,
PROP_OFFSET_Y
};
static void gimp_align_options_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_align_options_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE (GimpAlignOptions, gimp_align_options, GIMP_TYPE_TOOL_OPTIONS)
#define parent_class gimp_selection_options_parent_class
static guint align_options_signals[LAST_SIGNAL] = { 0 };
static void
gimp_align_options_class_init (GimpAlignOptionsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gimp_align_options_set_property;
object_class->get_property = gimp_align_options_get_property;
klass->align_button_clicked = NULL;
align_options_signals[ALIGN_BUTTON_CLICKED] =
g_signal_new ("align-button-clicked",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpAlignOptionsClass,
align_button_clicked),
NULL, NULL,
gimp_marshal_VOID__ENUM,
G_TYPE_NONE, 1,
GIMP_TYPE_ALIGNMENT_TYPE);
GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_ALIGN_REFERENCE,
"align-reference",
N_("Reference image object a layer will be aligned on"),
GIMP_TYPE_ALIGN_REFERENCE_TYPE,
GIMP_ALIGN_REFERENCE_FIRST,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_DOUBLE (object_class, PROP_OFFSET_X,
"offset-x",
N_("Horizontal offset for distribution"),
-GIMP_MAX_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE, 0,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_DOUBLE (object_class, PROP_OFFSET_Y,
"offset-y",
N_("Vertical offset for distribution"),
-GIMP_MAX_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE, 0,
GIMP_PARAM_STATIC_STRINGS);
}
static void
gimp_align_options_init (GimpAlignOptions *options)
{
}
static void
gimp_align_options_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpAlignOptions *options = GIMP_ALIGN_OPTIONS (object);
switch (property_id)
{
case PROP_ALIGN_REFERENCE:
options->align_reference = g_value_get_enum (value);
break;
case PROP_OFFSET_X:
options->offset_x = g_value_get_double (value);
break;
case PROP_OFFSET_Y:
options->offset_y = g_value_get_double (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_align_options_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpAlignOptions *options = GIMP_ALIGN_OPTIONS (object);
switch (property_id)
{
case PROP_ALIGN_REFERENCE:
g_value_set_enum (value, options->align_reference);
break;
case PROP_OFFSET_X:
g_value_set_double (value, options->offset_x);
break;
case PROP_OFFSET_Y:
g_value_set_double (value, options->offset_y);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_align_options_button_clicked (GtkButton *button,
GimpAlignOptions *options)
{
GimpAlignmentType action;
action = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button),
"align-action"));
g_signal_emit (options, align_options_signals[ALIGN_BUTTON_CLICKED], 0,
action);
}
static GtkWidget *
gimp_align_options_button_new (GimpAlignOptions *options,
GimpAlignmentType action,
GtkWidget *parent,
const gchar *tooltip)
{
GtkWidget *button;
GtkWidget *image;
const gchar *stock_id = NULL;
switch (action)
{
case GIMP_ALIGN_LEFT:
stock_id = GIMP_STOCK_GRAVITY_WEST;
break;
case GIMP_ALIGN_HCENTER:
stock_id = GIMP_STOCK_HCENTER;
break;
case GIMP_ALIGN_RIGHT:
stock_id = GIMP_STOCK_GRAVITY_EAST;
break;
case GIMP_ALIGN_TOP:
stock_id = GIMP_STOCK_GRAVITY_NORTH;
break;
case GIMP_ALIGN_VCENTER:
stock_id = GIMP_STOCK_VCENTER;
break;
case GIMP_ALIGN_BOTTOM:
stock_id = GIMP_STOCK_GRAVITY_SOUTH;
break;
case GIMP_ARRANGE_LEFT:
stock_id = GIMP_STOCK_GRAVITY_WEST;
break;
case GIMP_ARRANGE_HCENTER:
stock_id = GIMP_STOCK_HCENTER;
break;
case GIMP_ARRANGE_RIGHT:
stock_id = GIMP_STOCK_GRAVITY_EAST;
break;
case GIMP_ARRANGE_TOP:
stock_id = GIMP_STOCK_GRAVITY_NORTH;
break;
case GIMP_ARRANGE_VCENTER:
stock_id = GIMP_STOCK_VCENTER;
break;
case GIMP_ARRANGE_BOTTOM:
stock_id = GIMP_STOCK_GRAVITY_SOUTH;
break;
case GIMP_ARRANGE_HFILL:
stock_id = GIMP_STOCK_HFILL;
break;
case GIMP_ARRANGE_VFILL:
stock_id = GIMP_STOCK_VFILL;
break;
default:
g_return_val_if_reached (NULL);
break;
}
button = gtk_button_new ();
gtk_widget_set_sensitive (button, FALSE);
gtk_widget_show (button);
image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
gtk_box_pack_start (GTK_BOX (parent), button, FALSE, FALSE, 0);
gtk_widget_show (button);
gimp_help_set_help_data (button, tooltip, NULL);
g_object_set_data (G_OBJECT (button), "align-action",
GINT_TO_POINTER (action));
g_signal_connect (button, "clicked",
G_CALLBACK (gimp_align_options_button_clicked),
options);
return button;
}
GtkWidget *
gimp_align_options_gui (GimpToolOptions *tool_options)
{
GObject *config = G_OBJECT (tool_options);
GimpAlignOptions *options = GIMP_ALIGN_OPTIONS (tool_options);
GtkWidget *vbox = gimp_tool_options_gui (tool_options);
GtkWidget *align_vbox;
GtkWidget *hbox;
GtkWidget *frame;
GtkWidget *label;
GtkWidget *spinbutton;
GtkWidget *combo;
gint n = 0;
frame = gimp_frame_new (_("Align"));
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
align_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), align_vbox);
gtk_widget_show (align_vbox);
combo = gimp_prop_enum_combo_box_new (config, "align-reference", 0, 0);
gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (combo), _("Relative to"));
g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
gtk_box_pack_start (GTK_BOX (align_vbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (align_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ALIGN_LEFT, hbox,
_("Align left edge of target"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ALIGN_HCENTER, hbox,
_("Align center of target"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ALIGN_RIGHT, hbox,
_("Align right edge of target"));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (align_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ALIGN_TOP, hbox,
_("Align top edge of target"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ALIGN_VCENTER, hbox,
_("Align middle of target"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ALIGN_BOTTOM, hbox,
_("Align bottom of target"));
frame = gimp_frame_new (_("Distribute"));
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
align_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), align_vbox);
gtk_widget_show (align_vbox);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (align_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ARRANGE_LEFT, hbox,
_("Distribute left edges of targets"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ARRANGE_HCENTER, hbox,
_("Distribute horizontal centers of targets"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ARRANGE_RIGHT, hbox,
_("Distribute right edges of targets"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ARRANGE_HFILL, hbox,
_("Distribute targets evenly in the horizontal"));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (align_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ARRANGE_TOP, hbox,
_("Distribute top edges of targets"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ARRANGE_VCENTER, hbox,
_("Distribute vertical centers of targets"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ARRANGE_BOTTOM, hbox,
_("Distribute bottoms of targets"));
options->button[n++] =
gimp_align_options_button_new (options, GIMP_ARRANGE_VFILL, hbox,
_("Distribute targets evenly in the vertical"));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (align_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new (_("Offset:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
spinbutton = gimp_prop_spin_button_new (config, "offset-x",
1, 20, 0);
gtk_box_pack_start (GTK_BOX (hbox), spinbutton, FALSE, FALSE, 0);
gtk_widget_show (spinbutton);
return vbox;
}
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