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gimp/app/core/gimptemplate.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimptemplate.c
* Copyright (C) 2003 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 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/>.
*/
/* This file contains the definition of the image template objects.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "gegl/gimp-babl.h"
#include "gimpimage.h"
#include "gimpprojection.h"
#include "gimptemplate.h"
#include "gimp-intl.h"
#define DEFAULT_RESOLUTION 72.0
enum
{
PROP_0,
PROP_WIDTH,
PROP_HEIGHT,
PROP_UNIT,
PROP_XRESOLUTION,
PROP_YRESOLUTION,
PROP_RESOLUTION_UNIT,
PROP_BASE_TYPE,
PROP_PRECISION,
PROP_FILL_TYPE,
PROP_COMMENT,
PROP_FILENAME
};
typedef struct _GimpTemplatePrivate GimpTemplatePrivate;
struct _GimpTemplatePrivate
{
gint width;
gint height;
GimpUnit unit;
gdouble xresolution;
gdouble yresolution;
GimpUnit resolution_unit;
GimpImageBaseType base_type;
GimpPrecision precision;
GimpFillType fill_type;
gchar *comment;
gchar *filename;
guint64 initial_size;
};
#define GET_PRIVATE(template) G_TYPE_INSTANCE_GET_PRIVATE (template, \
GIMP_TYPE_TEMPLATE, \
GimpTemplatePrivate)
static void gimp_template_finalize (GObject *object);
static void gimp_template_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_template_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_template_notify (GObject *object,
GParamSpec *pspec);
G_DEFINE_TYPE_WITH_CODE (GimpTemplate, gimp_template, GIMP_TYPE_VIEWABLE,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, NULL))
#define parent_class gimp_template_parent_class
static void
gimp_template_class_init (GimpTemplateClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
object_class->finalize = gimp_template_finalize;
object_class->set_property = gimp_template_set_property;
object_class->get_property = gimp_template_get_property;
object_class->notify = gimp_template_notify;
viewable_class->default_icon_name = "gimp-template";
GIMP_CONFIG_INSTALL_PROP_INT (object_class, PROP_WIDTH, "width",
NULL,
GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE,
GIMP_DEFAULT_IMAGE_WIDTH,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_INT (object_class, PROP_HEIGHT, "height",
NULL,
GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE,
GIMP_DEFAULT_IMAGE_HEIGHT,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_UNIT (object_class, PROP_UNIT, "unit",
_("The unit used for coordinate display "
"when not in dot-for-dot mode."),
TRUE, FALSE, GIMP_UNIT_PIXEL,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_RESOLUTION (object_class, PROP_XRESOLUTION,
"xresolution",
_("The horizontal image resolution."),
DEFAULT_RESOLUTION,
GIMP_PARAM_STATIC_STRINGS |
GIMP_TEMPLATE_PARAM_COPY_FIRST);
GIMP_CONFIG_INSTALL_PROP_RESOLUTION (object_class, PROP_YRESOLUTION,
"yresolution",
_("The vertical image resolution."),
DEFAULT_RESOLUTION,
GIMP_PARAM_STATIC_STRINGS |
GIMP_TEMPLATE_PARAM_COPY_FIRST);
GIMP_CONFIG_INSTALL_PROP_UNIT (object_class, PROP_RESOLUTION_UNIT,
"resolution-unit",
NULL,
FALSE, FALSE, GIMP_UNIT_INCH,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_BASE_TYPE,
"image-type", /* serialized name */
NULL,
GIMP_TYPE_IMAGE_BASE_TYPE, GIMP_RGB,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_PRECISION,
"precision",
NULL,
GIMP_TYPE_PRECISION, GIMP_PRECISION_U8_GAMMA,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_FILL_TYPE,
"fill-type",
NULL,
GIMP_TYPE_FILL_TYPE, GIMP_FILL_BACKGROUND,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_STRING (object_class, PROP_COMMENT,
"comment",
NULL,
NULL,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_INSTALL_PROP_STRING (object_class, PROP_FILENAME,
"filename",
NULL,
NULL,
GIMP_PARAM_STATIC_STRINGS);
g_type_class_add_private (klass, sizeof (GimpTemplatePrivate));
}
static void
gimp_template_init (GimpTemplate *template)
{
}
static void
gimp_template_finalize (GObject *object)
{
GimpTemplatePrivate *private = GET_PRIVATE (object);
if (private->comment)
{
g_free (private->comment);
private->comment = NULL;
}
if (private->filename)
{
g_free (private->filename);
private->filename = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_template_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpTemplatePrivate *private = GET_PRIVATE (object);
switch (property_id)
{
case PROP_WIDTH:
private->width = g_value_get_int (value);
break;
case PROP_HEIGHT:
private->height = g_value_get_int (value);
break;
case PROP_UNIT:
private->unit = g_value_get_int (value);
break;
case PROP_XRESOLUTION:
private->xresolution = g_value_get_double (value);
break;
case PROP_YRESOLUTION:
private->yresolution = g_value_get_double (value);
break;
case PROP_RESOLUTION_UNIT:
private->resolution_unit = g_value_get_int (value);
break;
case PROP_BASE_TYPE:
private->base_type = g_value_get_enum (value);
break;
case PROP_PRECISION:
private->precision = g_value_get_enum (value);
break;
case PROP_FILL_TYPE:
private->fill_type = g_value_get_enum (value);
break;
case PROP_COMMENT:
if (private->comment)
g_free (private->comment);
private->comment = g_value_dup_string (value);
break;
case PROP_FILENAME:
if (private->filename)
g_free (private->filename);
private->filename = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_template_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpTemplatePrivate *private = GET_PRIVATE (object);
switch (property_id)
{
case PROP_WIDTH:
g_value_set_int (value, private->width);
break;
case PROP_HEIGHT:
g_value_set_int (value, private->height);
break;
case PROP_UNIT:
g_value_set_int (value, private->unit);
break;
case PROP_XRESOLUTION:
g_value_set_double (value, private->xresolution);
break;
case PROP_YRESOLUTION:
g_value_set_double (value, private->yresolution);
break;
case PROP_RESOLUTION_UNIT:
g_value_set_int (value, private->resolution_unit);
break;
case PROP_BASE_TYPE:
g_value_set_enum (value, private->base_type);
break;
case PROP_PRECISION:
g_value_set_enum (value, private->precision);
break;
case PROP_FILL_TYPE:
g_value_set_enum (value, private->fill_type);
break;
case PROP_COMMENT:
g_value_set_string (value, private->comment);
break;
case PROP_FILENAME:
g_value_set_string (value, private->filename);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_template_notify (GObject *object,
GParamSpec *pspec)
{
GimpTemplatePrivate *private = GET_PRIVATE (object);
const Babl *format;
gint bytes;
if (G_OBJECT_CLASS (parent_class)->notify)
G_OBJECT_CLASS (parent_class)->notify (object, pspec);
/* the initial layer */
format = gimp_babl_format (private->base_type,
private->precision,
private->fill_type == GIMP_FILL_TRANSPARENT);
bytes = babl_format_get_bytes_per_pixel (format);
/* the selection */
format = gimp_babl_mask_format (private->precision);
bytes += babl_format_get_bytes_per_pixel (format);
private->initial_size = ((guint64) bytes *
(guint64) private->width *
(guint64) private->height);
private->initial_size +=
gimp_projection_estimate_memsize (private->base_type,
gimp_babl_component_type (private->precision),
private->width, private->height);
}
/* public functions */
GimpTemplate *
gimp_template_new (const gchar *name)
{
g_return_val_if_fail (name != NULL, NULL);
return g_object_new (GIMP_TYPE_TEMPLATE,
"name", name,
NULL);
}
void
gimp_template_set_from_image (GimpTemplate *template,
GimpImage *image)
{
gdouble xresolution;
gdouble yresolution;
GimpImageBaseType base_type;
const GimpParasite *parasite;
gchar *comment = NULL;
g_return_if_fail (GIMP_IS_TEMPLATE (template));
g_return_if_fail (GIMP_IS_IMAGE (image));
gimp_image_get_resolution (image, &xresolution, &yresolution);
base_type = gimp_image_get_base_type (image);
if (base_type == GIMP_INDEXED)
base_type = GIMP_RGB;
parasite = gimp_image_parasite_find (image, "gimp-comment");
if (parasite)
comment = g_strndup (gimp_parasite_data (parasite),
gimp_parasite_data_size (parasite));
g_object_set (template,
"width", gimp_image_get_width (image),
"height", gimp_image_get_height (image),
"xresolution", xresolution,
"yresolution", yresolution,
"resolution-unit", gimp_image_get_unit (image),
"image-type", base_type,
"precision", gimp_image_get_precision (image),
"comment", comment,
NULL);
if (comment)
g_free (comment);
}
gint
gimp_template_get_width (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), 0);
return GET_PRIVATE (template)->width;
}
gint
gimp_template_get_height (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), 0);
return GET_PRIVATE (template)->height;
}
GimpUnit
gimp_template_get_unit (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), GIMP_UNIT_INCH);
return GET_PRIVATE (template)->unit;
}
gdouble
gimp_template_get_resolution_x (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), 1.0);
return GET_PRIVATE (template)->xresolution;
}
gdouble
gimp_template_get_resolution_y (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), 1.0);
return GET_PRIVATE (template)->yresolution;
}
GimpUnit
gimp_template_get_resolution_unit (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), GIMP_UNIT_INCH);
return GET_PRIVATE (template)->resolution_unit;
}
GimpImageBaseType
gimp_template_get_base_type (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), GIMP_RGB);
return GET_PRIVATE (template)->base_type;
}
GimpPrecision
gimp_template_get_precision (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), GIMP_PRECISION_U8_GAMMA);
return GET_PRIVATE (template)->precision;
}
GimpFillType
gimp_template_get_fill_type (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), GIMP_FILL_BACKGROUND);
return GET_PRIVATE (template)->fill_type;
}
const gchar *
gimp_template_get_comment (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), NULL);
return GET_PRIVATE (template)->comment;
}
guint64
gimp_template_get_initial_size (GimpTemplate *template)
{
g_return_val_if_fail (GIMP_IS_TEMPLATE (template), 0);
return GET_PRIVATE (template)->initial_size;
}
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