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gimp/modules/cdisplay_lcms.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1997 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"
#ifdef HAVE_LCMS_LCMS_H
#include <lcms/lcms.h>
#else
#include <lcms.h>
#endif
#include <gtk/gtk.h>
#include "libgimpconfig/gimpconfig.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpmodule/gimpmodule.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "libgimp/libgimp-intl.h"
#define CDISPLAY_TYPE_LCMS (cdisplay_lcms_type)
#define CDISPLAY_LCMS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CDISPLAY_TYPE_LCMS, CdisplayLcms))
#define CDISPLAY_LCMS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CDISPLAY_TYPE_LCMS, CdisplayLcmsClass))
#define CDISPLAY_IS_LCMS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CDISPLAY_TYPE_LCMS))
#define CDISPLAY_IS_LCMS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CDISPLAY_TYPE_LCMS))
typedef struct _CdisplayLcms CdisplayLcms;
typedef struct _CdisplayLcmsClass CdisplayLcmsClass;
struct _CdisplayLcms
{
GimpColorDisplay parent_instance;
GimpColorConfig *config;
cmsHTRANSFORM transform;
};
struct _CdisplayLcmsClass
{
GimpColorDisplayClass parent_instance;
};
enum
{
PROP_0,
PROP_CONFIG
};
static GType cdisplay_lcms_get_type (GTypeModule *module);
static void cdisplay_lcms_class_init (CdisplayLcmsClass *klass);
static void cdisplay_lcms_init (CdisplayLcms *lcms);
static void cdisplay_lcms_dispose (GObject *object);
static void cdisplay_lcms_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void cdisplay_lcms_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void cdisplay_lcms_convert (GimpColorDisplay *display,
guchar *buf,
gint width,
gint height,
gint bpp,
gint bpl);
static void cdisplay_lcms_changed (GimpColorDisplay *display);
static void cdisplay_lcms_set_config (CdisplayLcms *lcms,
GimpColorConfig *config);
static const GimpModuleInfo cdisplay_lcms_info =
{
GIMP_MODULE_ABI_VERSION,
N_("Color management display filter using ICC color profiles"),
"Sven Neumann",
"v0.1",
"(c) 2005, released under the GPL",
"2005"
};
static GType cdisplay_lcms_type = 0;
static GimpColorDisplayClass *parent_class = NULL;
G_MODULE_EXPORT const GimpModuleInfo *
gimp_module_query (GTypeModule *module)
{
return &cdisplay_lcms_info;
}
G_MODULE_EXPORT gboolean
gimp_module_register (GTypeModule *module)
{
cdisplay_lcms_get_type (module);
return TRUE;
}
static GType
cdisplay_lcms_get_type (GTypeModule *module)
{
if (! cdisplay_lcms_type)
{
static const GTypeInfo display_info =
{
sizeof (CdisplayLcmsClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) cdisplay_lcms_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (CdisplayLcms),
0, /* n_preallocs */
(GInstanceInitFunc) cdisplay_lcms_init,
};
cdisplay_lcms_type =
g_type_module_register_type (module, GIMP_TYPE_COLOR_DISPLAY,
"CdisplayLcms", &display_info, 0);
}
return cdisplay_lcms_type;
}
static void
cdisplay_lcms_class_init (CdisplayLcmsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpColorDisplayClass *display_class = GIMP_COLOR_DISPLAY_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->dispose = cdisplay_lcms_dispose;
object_class->get_property = cdisplay_lcms_get_property;
object_class->set_property = cdisplay_lcms_set_property;
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_CONFIG,
"config", NULL,
GIMP_TYPE_COLOR_CONFIG,
0);
display_class->name = _("Color Management");
display_class->help_id = "gimp-colordisplay-lcms";
display_class->convert = cdisplay_lcms_convert;
display_class->changed = cdisplay_lcms_changed;
cmsErrorAction (LCMS_ERROR_IGNORE);
}
static void
cdisplay_lcms_init (CdisplayLcms *lcms)
{
lcms->config = NULL;
lcms->transform = NULL;
}
static void
cdisplay_lcms_dispose (GObject *object)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (object);
cdisplay_lcms_set_config (lcms, NULL);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
cdisplay_lcms_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (object);
switch (property_id)
{
case PROP_CONFIG:
g_value_set_object (value, lcms->config);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
cdisplay_lcms_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (object);
switch (property_id)
{
case PROP_CONFIG:
cdisplay_lcms_set_config (lcms, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
cdisplay_lcms_convert (GimpColorDisplay *display,
guchar *buf,
gint width,
gint height,
gint bpp,
gint bpl)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
gint y;
if (bpp != 3)
return;
if (! lcms->transform)
return;
for (y = 0; y < height; y++, buf += bpl)
cmsDoTransform (lcms->transform, buf, buf, width);
}
static void
cdisplay_lcms_changed (GimpColorDisplay *display)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
GimpColorConfig *config = lcms->config;
cmsHPROFILE src_profile = NULL;
cmsHPROFILE dest_profile = NULL;
cmsHPROFILE proof_profile = NULL;
if (lcms->transform)
{
cmsDeleteTransform (lcms->transform);
lcms->transform = NULL;
}
if (! config)
return;
switch (config->mode)
{
case GIMP_COLOR_MANAGEMENT_OFF:
return;
case GIMP_COLOR_MANAGEMENT_SOFTPROOF:
if (config->printer_profile)
proof_profile = cmsOpenProfileFromFile (config->printer_profile, "r");
/* fallthru */
case GIMP_COLOR_MANAGEMENT_DISPLAY:
/* this should be taken from the image */
src_profile = cmsCreate_sRGBProfile ();
if (config->display_profile)
dest_profile = cmsOpenProfileFromFile (config->display_profile,"r");
break;
}
if (proof_profile)
{
lcms->transform = cmsCreateProofingTransform (src_profile, TYPE_RGB_8,
(dest_profile ?
dest_profile :
src_profile), TYPE_RGB_8,
proof_profile,
config->display_intent,
config->simulation_intent,
cmsFLAGS_SOFTPROOFING);
cmsCloseProfile (proof_profile);
}
else if (dest_profile)
{
lcms->transform = cmsCreateTransform (src_profile, TYPE_RGB_8,
dest_profile, TYPE_RGB_8,
config->display_intent,
0);
}
if (dest_profile)
cmsCloseProfile (dest_profile);
cmsCloseProfile (src_profile);
}
static void
cdisplay_lcms_set_config (CdisplayLcms *lcms,
GimpColorConfig *config)
{
if (config == lcms->config)
return;
if (lcms->config)
{
g_signal_handlers_disconnect_by_func (lcms->config,
G_CALLBACK (gimp_color_display_changed),
lcms);
g_object_unref (lcms->config);
}
lcms->config = config;
if (lcms->config)
{
g_object_ref (lcms->config);
g_signal_connect_swapped (lcms->config, "notify",
G_CALLBACK (gimp_color_display_changed),
lcms);
}
gimp_color_display_changed (GIMP_COLOR_DISPLAY (lcms));
}
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