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gimp/app/widgets/gimpimagepropview.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* GimpImagePropView
* Copyright (C) 2005 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 <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpundostack.h"
#include "core/gimpunit.h"
#include "gimpimagepropview.h"
#include "gimppropwidgets.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_IMAGE
};
static void gimp_image_prop_view_class_init (GimpImagePropViewClass *klass);
static void gimp_image_prop_view_init (GimpImagePropView *view);
static GObject * gimp_image_prop_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_image_prop_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_image_prop_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static GtkWidget * gimp_image_prop_view_add_label (GtkTable *table,
gint row,
const gchar *text);
static void gimp_image_prop_view_undo_event (GimpImage *gimage,
GimpUndoEvent event,
GimpUndo *undo,
GimpImagePropView *view);
static void gimp_image_prop_view_update (GimpImagePropView *view);
static GtkTableClass *parent_class = NULL;
GType
gimp_image_prop_view_get_type (void)
{
static GType view_type = 0;
if (! view_type)
{
static const GTypeInfo view_info =
{
sizeof (GimpImagePropViewClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_image_prop_view_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpImagePropView),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_image_prop_view_init
};
view_type = g_type_register_static (GTK_TYPE_TABLE,
"GimpImagePropView",
&view_info, 0);
}
return view_type;
}
static void
gimp_image_prop_view_class_init (GimpImagePropViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_image_prop_view_constructor;
object_class->set_property = gimp_image_prop_view_set_property;
object_class->get_property = gimp_image_prop_view_get_property;
g_object_class_install_property (object_class, PROP_IMAGE,
g_param_spec_object ("image", NULL, NULL,
GIMP_TYPE_IMAGE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_image_prop_view_init (GimpImagePropView *view)
{
gtk_table_set_col_spacings (GTK_TABLE (view), 6);
gtk_table_set_row_spacings (GTK_TABLE (view), 3);
}
static void
gimp_image_prop_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpImagePropView *view = GIMP_IMAGE_PROP_VIEW (object);
switch (property_id)
{
case PROP_IMAGE:
view->image = GIMP_IMAGE (g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_image_prop_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpImagePropView *view = GIMP_IMAGE_PROP_VIEW (object);
switch (property_id)
{
case PROP_IMAGE:
g_value_set_object (value, view->image);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GObject *
gimp_image_prop_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GimpImagePropView *view;
GtkTable *table;
GObject *object;
gint row = 0;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
view = GIMP_IMAGE_PROP_VIEW (object);
table = GTK_TABLE (view);
g_assert (view->image != NULL);
view->pixel_size_label =
gimp_image_prop_view_add_label (table, row++, _("Pixel dimensions:"));
view->print_size_label =
gimp_image_prop_view_add_label (table, row++, _("Print size:"));
view->resolution_label =
gimp_image_prop_view_add_label (table, row++, _("Resolution:"));
view->colorspace_label =
gimp_image_prop_view_add_label (table, row, _("Color space:"));
gtk_table_set_row_spacing (GTK_TABLE (view), row++, 12);
view->memsize_label =
gimp_image_prop_view_add_label (table, row++, _("Size in memory:"));
view->undo_label =
gimp_image_prop_view_add_label (table, row++, _("Undo steps:"));
view->redo_label =
gimp_image_prop_view_add_label (table, row, _("Redo steps:"));
gtk_table_set_row_spacing (GTK_TABLE (view), row++, 12);
view->pixels_label =
gimp_image_prop_view_add_label (table, row++, _("Number of pixels:"));
view->layers_label =
gimp_image_prop_view_add_label (table, row++, _("Number of layers:"));
view->channels_label =
gimp_image_prop_view_add_label (table, row++, _("Number of channels:"));
view->vectors_label =
gimp_image_prop_view_add_label (table, row++, _("Number of paths:"));
g_signal_connect_object (view->image, "size-changed",
G_CALLBACK (gimp_image_prop_view_update),
G_OBJECT (view),
G_CONNECT_SWAPPED);
g_signal_connect_object (view->image, "resolution-changed",
G_CALLBACK (gimp_image_prop_view_update),
G_OBJECT (view),
G_CONNECT_SWAPPED);
g_signal_connect_object (view->image, "unit-changed",
G_CALLBACK (gimp_image_prop_view_update),
G_OBJECT (view),
G_CONNECT_SWAPPED);
g_signal_connect_object (view->image, "mode-changed",
G_CALLBACK (gimp_image_prop_view_update),
G_OBJECT (view),
G_CONNECT_SWAPPED);
g_signal_connect_object (view->image, "undo-event",
G_CALLBACK (gimp_image_prop_view_undo_event),
G_OBJECT (view),
0);
gimp_image_prop_view_update (view);
return object;
}
/* public functions */
GtkWidget *
gimp_image_prop_view_new (GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return g_object_new (GIMP_TYPE_IMAGE_PROP_VIEW,
"image", image,
NULL);
}
/* private functions */
static GtkWidget *
gimp_image_prop_view_add_label (GtkTable *table,
gint row,
const gchar *text)
{
GtkWidget *label;
GtkWidget *desc;
desc = g_object_new (GTK_TYPE_LABEL,
"label", text,
"xalign", 1.0,
"yalign", 0.5,
NULL);
gimp_label_set_attributes (GTK_LABEL (desc),
PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
-1);
gtk_table_attach (table, desc,
0, 1, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
gtk_widget_show (desc);
label = g_object_new (GTK_TYPE_LABEL,
"xalign", 0.0,
"yalign", 0.5,
"selectable", TRUE,
NULL);
gtk_table_attach (table, label,
1, 2, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
gtk_widget_show (label);
return label;
}
static void
gimp_image_prop_view_label_set_memsize (GtkWidget *label,
GimpObject *object)
{
gchar *str = gimp_memsize_to_string (gimp_object_get_memsize (object, NULL));
gtk_label_set_text (GTK_LABEL (label), str);
g_free (str);
}
static void
gimp_image_prop_view_label_set_undo (GtkWidget *label,
GimpUndoStack *stack)
{
gint steps = gimp_undo_stack_get_depth (stack);
if (steps > 0)
{
GimpObject *object = GIMP_OBJECT (stack);
gchar *str;
gchar buf[256];
str = gimp_memsize_to_string (gimp_object_get_memsize (object, NULL));
g_snprintf (buf, sizeof (buf), "%d (%s)", steps, str);
g_free (str);
gtk_label_set_text (GTK_LABEL (label), buf);
}
else
{
/* no undo (or redo) steps available */
gtk_label_set_text (GTK_LABEL (label), _("None"));
}
}
static void
gimp_image_prop_view_undo_event (GimpImage *gimage,
GimpUndoEvent event,
GimpUndo *undo,
GimpImagePropView *view)
{
gimp_image_prop_view_update (view);
}
static void
gimp_image_prop_view_update (GimpImagePropView *view)
{
GimpImage *image = view->image;
GimpImageBaseType type;
GimpUnit unit;
gdouble unit_factor;
gint unit_digits;
const gchar *desc;
gchar format_buf[32];
gchar buf[256];
/* pixel size */
g_snprintf (buf, sizeof (buf), _("%d x %d pixels"),
image->width, image->height);
gtk_label_set_text (GTK_LABEL (view->pixel_size_label), buf);
/* print size */
#if 0
unit = GIMP_DISPLAY_SHELL (gdisp->shell)->unit;
if (unit == GIMP_UNIT_PIXEL)
#endif
unit = gimp_image_get_unit (image);
unit_factor = _gimp_unit_get_factor (image->gimp, unit);
unit_digits = _gimp_unit_get_digits (image->gimp, unit);
g_snprintf (format_buf, sizeof (format_buf), "%%.%df x %%.%df %s",
unit_digits + 1, unit_digits + 1,
_gimp_unit_get_plural (image->gimp, unit));
g_snprintf (buf, sizeof (buf), format_buf,
image->width * unit_factor / image->xresolution,
image->height * unit_factor / image->yresolution);
gtk_label_set_text (GTK_LABEL (view->print_size_label), buf);
/* resolution */
unit = gimp_image_get_unit (image);
unit_factor = _gimp_unit_get_factor (image->gimp, unit);
g_snprintf (format_buf, sizeof (format_buf), _("pixels/%s"),
_gimp_unit_get_abbreviation (image->gimp, unit));
g_snprintf (buf, sizeof (buf), _("%g x %g %s"),
image->xresolution / unit_factor,
image->yresolution / unit_factor,
unit == GIMP_UNIT_INCH ? _("dpi") : format_buf);
gtk_label_set_text (GTK_LABEL (view->resolution_label), buf);
/* color type */
type = gimp_image_base_type (image);
gimp_enum_get_value (GIMP_TYPE_IMAGE_BASE_TYPE, type,
NULL, NULL, &desc, NULL);
switch (type)
{
case GIMP_RGB:
case GIMP_GRAY:
g_snprintf (buf, sizeof (buf), "%s", desc);
break;
case GIMP_INDEXED:
g_snprintf (buf, sizeof (buf),
"%s (%d %s)", desc, image->num_cols, _("colors"));
break;
}
gtk_label_set_text (GTK_LABEL (view->colorspace_label), buf);
/* size in memory */
gimp_image_prop_view_label_set_memsize (view->memsize_label,
GIMP_OBJECT (image));
/* undo / redo */
gimp_image_prop_view_label_set_undo (view->undo_label, image->undo_stack);
gimp_image_prop_view_label_set_undo (view->redo_label, image->redo_stack);
/* number of layers */
g_snprintf (buf, sizeof (buf), "%d", image->width * image->height);
gtk_label_set_text (GTK_LABEL (view->pixels_label), buf);
/* number of layers */
g_snprintf (buf, sizeof (buf), "%d",
gimp_container_num_children (image->layers));
gtk_label_set_text (GTK_LABEL (view->layers_label), buf);
/* number of channels */
g_snprintf (buf, sizeof (buf), "%d",
gimp_container_num_children (image->channels));
gtk_label_set_text (GTK_LABEL (view->channels_label), buf);
/* number of vectors */
g_snprintf (buf, sizeof (buf), "%d",
gimp_container_num_children (image->vectors));
gtk_label_set_text (GTK_LABEL (view->vectors_label), buf);
}
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