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gimp/modules/cdisplay_proof.c

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/* GIMP - The GNU 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"
#include <glib.h> /* lcms.h uses the "inline" keyword */
#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_PROOF (cdisplay_proof_type)
#define CDISPLAY_PROOF(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CDISPLAY_TYPE_PROOF, CdisplayProof))
#define CDISPLAY_PROOF_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CDISPLAY_TYPE_PROOF, CdisplayProofClass))
#define CDISPLAY_IS_PROOF(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CDISPLAY_TYPE_PROOF))
#define CDISPLAY_IS_PROOF_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CDISPLAY_TYPE_PROOF))
typedef struct _CdisplayProof CdisplayProof;
typedef struct _CdisplayProofClass CdisplayProofClass;
struct _CdisplayProof
{
GimpColorDisplay parent_instance;
gint intent;
gboolean bpc;
gchar *profile;
cmsHTRANSFORM transform;
};
struct _CdisplayProofClass
{
GimpColorDisplayClass parent_instance;
};
enum
{
PROP_0,
PROP_INTENT,
PROP_BPC,
PROP_PROFILE
};
static GType cdisplay_proof_get_type (GTypeModule *module);
static void cdisplay_proof_class_init (CdisplayProofClass *klass);
static void cdisplay_proof_init (CdisplayProof *proof);
static void cdisplay_proof_finalize (GObject *object);
static void cdisplay_proof_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void cdisplay_proof_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void cdisplay_proof_convert (GimpColorDisplay *display,
guchar *buf,
gint width,
gint height,
gint bpp,
gint bpl);
static GtkWidget * cdisplay_proof_configure (GimpColorDisplay *display);
static void cdisplay_proof_changed (GimpColorDisplay *display);
static const GimpModuleInfo cdisplay_proof_info =
{
GIMP_MODULE_ABI_VERSION,
N_("Color proof filter using ICC color profile"),
"Banlu Kemiyatorn <id@project-ile.net>",
"v0.1",
"(c) 2002-2003, released under the GPL",
"November 14, 2003"
};
static GType cdisplay_proof_type = 0;
static GimpColorDisplayClass *parent_class = NULL;
G_MODULE_EXPORT const GimpModuleInfo *
gimp_module_query (GTypeModule *module)
{
return &cdisplay_proof_info;
}
G_MODULE_EXPORT gboolean
gimp_module_register (GTypeModule *module)
{
cdisplay_proof_get_type (module);
return TRUE;
}
static GType
cdisplay_proof_get_type (GTypeModule *module)
{
if (! cdisplay_proof_type)
{
const GTypeInfo display_info =
{
sizeof (CdisplayProofClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) cdisplay_proof_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (CdisplayProof),
0, /* n_preallocs */
(GInstanceInitFunc) cdisplay_proof_init,
};
cdisplay_proof_type =
g_type_module_register_type (module, GIMP_TYPE_COLOR_DISPLAY,
"CdisplayProof", &display_info, 0);
}
return cdisplay_proof_type;
}
static void
cdisplay_proof_class_init (CdisplayProofClass *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->finalize = cdisplay_proof_finalize;
object_class->get_property = cdisplay_proof_get_property;
object_class->set_property = cdisplay_proof_set_property;
GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_INTENT,
"intent", NULL,
GIMP_TYPE_COLOR_RENDERING_INTENT,
GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,
0);
GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_BPC,
"black-point-compensation", NULL,
FALSE,
0);
GIMP_CONFIG_INSTALL_PROP_PATH (object_class, PROP_PROFILE,
"profile", NULL,
GIMP_CONFIG_PATH_FILE, NULL,
0);
display_class->name = _("Color Proof");
display_class->help_id = "gimp-colordisplay-proof";
display_class->stock_id = GIMP_STOCK_DISPLAY_FILTER_PROOF;
display_class->convert = cdisplay_proof_convert;
display_class->configure = cdisplay_proof_configure;
display_class->changed = cdisplay_proof_changed;
cmsErrorAction (LCMS_ERROR_IGNORE);
}
static void
cdisplay_proof_init (CdisplayProof *proof)
{
proof->transform = NULL;
proof->profile = NULL;
}
static void
cdisplay_proof_finalize (GObject *object)
{
CdisplayProof *proof = CDISPLAY_PROOF (object);
if (proof->profile)
{
g_free (proof->profile);
proof->profile = NULL;
}
if (proof->transform)
{
cmsDeleteTransform (proof->transform);
proof->transform = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
cdisplay_proof_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
CdisplayProof *proof = CDISPLAY_PROOF (object);
switch (property_id)
{
case PROP_INTENT:
g_value_set_enum (value, proof->intent);
break;
case PROP_BPC:
g_value_set_boolean (value, proof->bpc);
break;
case PROP_PROFILE:
g_value_set_string (value, proof->profile);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
cdisplay_proof_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
CdisplayProof *proof = CDISPLAY_PROOF (object);
switch (property_id)
{
case PROP_INTENT:
proof->intent = g_value_get_enum (value);
break;
case PROP_BPC:
proof->bpc = g_value_get_boolean (value);
break;
case PROP_PROFILE:
g_free (proof->profile);
proof->profile = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
gimp_color_display_changed (GIMP_COLOR_DISPLAY (proof));
}
static void
cdisplay_proof_convert (GimpColorDisplay *display,
guchar *buf,
gint width,
gint height,
gint bpp,
gint bpl)
{
CdisplayProof *proof = CDISPLAY_PROOF (display);
gint y;
if (bpp != 3)
return;
if (! proof->transform)
return;
for (y = 0; y < height; y++, buf += bpl)
cmsDoTransform (proof->transform, buf, buf, width);
}
static GtkWidget *
cdisplay_proof_configure (GimpColorDisplay *display)
{
CdisplayProof *proof = CDISPLAY_PROOF (display);
GtkWidget *table;
GtkWidget *combo;
GtkWidget *entry;
GtkWidget *toggle;
table = gtk_table_new (3, 2, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
combo = gimp_prop_enum_combo_box_new (G_OBJECT (proof), "intent", 0, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("_Intent:"), 0.0, 0.5,
combo, 1, FALSE);
entry = gimp_prop_file_chooser_button_new (G_OBJECT (proof), "profile",
_("Choose an ICC Color Profile"),
GTK_FILE_CHOOSER_ACTION_OPEN);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("_Profile:"), 0.0, 0.5,
entry, 1, FALSE);
toggle = gimp_prop_check_button_new (G_OBJECT (proof),
"black-point-compensation",
_("_Black Point Compensation"));
gtk_table_attach_defaults (GTK_TABLE (table), toggle, 1, 2, 2, 3);
gtk_widget_show (toggle);
return table;
}
static void
cdisplay_proof_changed (GimpColorDisplay *display)
{
CdisplayProof *proof = CDISPLAY_PROOF (display);
cmsHPROFILE rgbProfile;
cmsHPROFILE proofProfile;
if (proof->transform)
{
cmsDeleteTransform (proof->transform);
proof->transform = NULL;
}
if (! proof->profile)
return;
/* This should be read from the global parasite pool.
* For now, just use the built-in sRGB profile.
*/
rgbProfile = cmsCreate_sRGBProfile ();
proofProfile = cmsOpenProfileFromFile (proof->profile, "r");
if (proofProfile)
{
proof->transform = cmsCreateProofingTransform (rgbProfile,
TYPE_RGB_8,
rgbProfile, TYPE_RGB_8,
proofProfile,
proof->intent,
proof->intent,
cmsFLAGS_SOFTPROOFING |
(proof->bpc ?
cmsFLAGS_WHITEBLACKCOMPENSATION : 0));
cmsCloseProfile (proofProfile);
}
cmsCloseProfile (rgbProfile);
}
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