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gimp/modules/display-filter-lcms.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 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 <glib.h> /* lcms.h uses the "inline" keyword */
#include <string.h>
#ifdef G_OS_WIN32
#define STRICT
#include <windows.h>
#define LCMS_WIN_TYPES_ALREADY_DEFINED
#endif
#include <lcms2.h>
#include <gegl.h>
#include <gtk/gtk.h>
#ifdef GDK_WINDOWING_QUARTZ
#include <Carbon/Carbon.h>
#include <ApplicationServices/ApplicationServices.h>
#include <CoreServices/CoreServices.h>
#endif
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.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_get_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;
cmsHTRANSFORM transform;
};
struct _CdisplayLcmsClass
{
GimpColorDisplayClass parent_instance;
};
GType cdisplay_lcms_get_type (void);
static void cdisplay_lcms_finalize (GObject *object);
static GtkWidget * cdisplay_lcms_configure (GimpColorDisplay *display);
static void cdisplay_lcms_convert_surface (GimpColorDisplay *display,
cairo_surface_t *surface);
static void cdisplay_lcms_changed (GimpColorDisplay *display);
static cmsHPROFILE cdisplay_lcms_get_rgb_profile (CdisplayLcms *lcms);
static cmsHPROFILE cdisplay_lcms_get_display_profile (CdisplayLcms *lcms);
static cmsHPROFILE cdisplay_lcms_get_printer_profile (CdisplayLcms *lcms);
static void cdisplay_lcms_attach_labelled (GtkTable *table,
gint row,
const gchar *text,
GtkWidget *widget);
static void cdisplay_lcms_update_profile_label (CdisplayLcms *lcms,
const gchar *name);
static void cdisplay_lcms_notify_profile (GObject *config,
GParamSpec *pspec,
CdisplayLcms *lcms);
static const GimpModuleInfo cdisplay_lcms_info =
{
GIMP_MODULE_ABI_VERSION,
N_("Color management display filter using ICC color profiles"),
"Sven Neumann",
"v0.3",
"(c) 2005 - 2007, released under the GPL",
"2005 - 2007"
};
G_DEFINE_DYNAMIC_TYPE (CdisplayLcms, cdisplay_lcms,
GIMP_TYPE_COLOR_DISPLAY)
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_register_type (module);
return TRUE;
}
static void
cdisplay_lcms_class_init (CdisplayLcmsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpColorDisplayClass *display_class = GIMP_COLOR_DISPLAY_CLASS (klass);
object_class->finalize = cdisplay_lcms_finalize;
display_class->name = _("Color Management");
display_class->help_id = "gimp-colordisplay-lcms";
display_class->stock_id = GIMP_STOCK_DISPLAY_FILTER_LCMS;
display_class->configure = cdisplay_lcms_configure;
display_class->convert_surface = cdisplay_lcms_convert_surface;
display_class->changed = cdisplay_lcms_changed;
}
static void
cdisplay_lcms_class_finalize (CdisplayLcmsClass *klass)
{
}
static void
cdisplay_lcms_init (CdisplayLcms *lcms)
{
lcms->transform = NULL;
}
static void
cdisplay_lcms_finalize (GObject *object)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (object);
if (lcms->transform)
{
cmsDeleteTransform (lcms->transform);
lcms->transform = NULL;
}
G_OBJECT_CLASS (cdisplay_lcms_parent_class)->finalize (object);
}
static void
cdisplay_lcms_profile_get_info (cmsHPROFILE profile,
gchar **name,
gchar **info)
{
if (profile)
{
cmsUInt32Number descSize;
gchar *descData;
descSize = cmsGetProfileInfoASCII (profile, cmsInfoDescription,
"en", "US", NULL, 0);
if (descSize > 0)
{
descData = g_new (gchar, descSize + 1);
descSize = cmsGetProfileInfoASCII (profile, cmsInfoDescription,
"en", "US", descData, descSize);
if (descSize > 0)
*name = descData;
else
g_free (descData);
}
if (! *name)
{
descSize = cmsGetProfileInfoASCII (profile, cmsInfoModel,
"en", "US", NULL, 0);
if (descSize > 0)
{
descData = g_new (gchar, descSize + 1);
descSize = cmsGetProfileInfoASCII(profile, cmsInfoModel,
"en", "US", descData, descSize);
if (descSize > 0)
*name = descData;
else
g_free (descData);
}
}
if (*name && ! g_utf8_validate (*name, -1, NULL))
{
g_free (*name);
*name = g_strdup (_("(invalid UTF-8 string)"));
}
if (! *name)
{
/* a color profile without a name */
*name = g_strdup (_("(unnamed profile)"));
}
descSize = cmsGetProfileInfoASCII (profile, cmsInfoManufacturer,
"en", "US", NULL, 0);
if (descSize > 0)
{
descData = g_new (gchar, descSize + 1);
descSize = cmsGetProfileInfoASCII (profile, cmsInfoManufacturer,
"en", "US", descData, descSize);
if (descSize > 0)
*info = descData;
else
g_free (descData);
}
if (*info && ! g_utf8_validate (*info, -1, NULL))
{
g_free (*info);
*info = NULL;
}
}
else
{
*name = g_strdup (_("None"));
*info = NULL;
}
}
static GtkWidget *
cdisplay_lcms_configure (GimpColorDisplay *display)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
GObject *config = G_OBJECT (gimp_color_display_get_config (display));
GtkWidget *vbox;
GtkWidget *hint;
GtkWidget *table;
GtkWidget *label;
gint row = 0;
if (! config)
return NULL;
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
hint = gimp_hint_box_new (_("This filter takes its configuration "
"from the Color Management section "
"in the Preferences dialog."));
gtk_box_pack_start (GTK_BOX (vbox), hint, FALSE, FALSE, 0);
gtk_widget_show (hint);
table = gtk_table_new (5, 2, FALSE);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 12);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
cdisplay_lcms_attach_labelled (GTK_TABLE (table), row++,
_("Mode of operation:"),
gimp_prop_enum_label_new (config, "mode"));
label = gtk_label_new (NULL);
gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
g_object_set_data (G_OBJECT (lcms), "rgb-profile", label);
cdisplay_lcms_attach_labelled (GTK_TABLE (table), row++,
_("Image profile:"),
label);
cdisplay_lcms_update_profile_label (lcms, "rgb-profile");
label = gtk_label_new (NULL);
gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
g_object_set_data (G_OBJECT (lcms), "display-profile", label);
cdisplay_lcms_attach_labelled (GTK_TABLE (table), row++,
_("Monitor profile:"),
label);
cdisplay_lcms_update_profile_label (lcms, "display-profile");
label = gtk_label_new (NULL);
gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
g_object_set_data (G_OBJECT (lcms), "printer-profile", label);
cdisplay_lcms_attach_labelled (GTK_TABLE (table), row++,
_("Print simulation profile:"),
label);
cdisplay_lcms_update_profile_label (lcms, "printer-profile");
g_signal_connect_object (config, "notify",
G_CALLBACK (cdisplay_lcms_notify_profile),
lcms, 0);
return vbox;
}
static void
cdisplay_lcms_convert_surface (GimpColorDisplay *display,
cairo_surface_t *surface)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
gint width = cairo_image_surface_get_width (surface);
gint height = cairo_image_surface_get_height (surface);
gint stride = cairo_image_surface_get_stride (surface);
guchar *buf = cairo_image_surface_get_data (surface);
cairo_format_t fmt = cairo_image_surface_get_format (surface);
guchar *rowbuf;
gint x, y;
guchar r, g, b, a;
if (fmt != CAIRO_FORMAT_ARGB32)
return;
if (! lcms->transform)
return;
rowbuf = g_malloc (stride);
for (y = 0; y < height; y++, buf += stride)
{
/* Switch buf from ARGB premul to ARGB non-premul, since lcms ignores the
* alpha channel. The macro takes care of byte order.
*/
for (x = 0; x < width; x++)
{
GIMP_CAIRO_ARGB32_GET_PIXEL (buf + 4*x, r, g, b, a);
rowbuf[4*x+0] = a;
rowbuf[4*x+1] = r;
rowbuf[4*x+2] = g;
rowbuf[4*x+3] = b;
}
cmsDoTransform (lcms->transform, rowbuf, rowbuf, width);
/* And back to ARGB premul */
for (x = 0; x < width; x++)
{
a = rowbuf[4*x+0];
r = rowbuf[4*x+1];
g = rowbuf[4*x+2];
b = rowbuf[4*x+3];
GIMP_CAIRO_ARGB32_SET_PIXEL (buf + 4*x, r, g, b, a);
}
}
g_free (rowbuf);
}
static void
cdisplay_lcms_changed (GimpColorDisplay *display)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
GimpColorConfig *config = gimp_color_display_get_config (display);
cmsHPROFILE src_profile = NULL;
cmsHPROFILE dest_profile = NULL;
cmsHPROFILE proof_profile = NULL;
cmsUInt32Number flags = 0;
cmsUInt16Number alarmCodes[cmsMAXCHANNELS] = { 0, };
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:
proof_profile = cdisplay_lcms_get_printer_profile (lcms);
/* fallthru */
case GIMP_COLOR_MANAGEMENT_DISPLAY:
src_profile = cdisplay_lcms_get_rgb_profile (lcms);
dest_profile = cdisplay_lcms_get_display_profile (lcms);
break;
}
if (config->display_intent ==
GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC)
{
flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
if (proof_profile)
{
if (! src_profile)
src_profile = cmsCreate_sRGBProfile ();
if (! dest_profile)
dest_profile = cmsCreate_sRGBProfile ();
flags |= cmsFLAGS_SOFTPROOFING;
if (config->simulation_gamut_check)
{
guchar r, g, b;
flags |= cmsFLAGS_GAMUTCHECK;
gimp_rgb_get_uchar (&config->out_of_gamut_color, &r, &g, &b);
alarmCodes[0] = (cmsUInt16Number) r * 256;
alarmCodes[1] = (cmsUInt16Number) g * 256;
alarmCodes[2] = (cmsUInt16Number) b * 256;
cmsSetAlarmCodes (alarmCodes);
}
lcms->transform = cmsCreateProofingTransform (src_profile, TYPE_ARGB_8,
dest_profile, TYPE_ARGB_8,
proof_profile,
config->simulation_intent,
config->display_intent,
flags);
cmsCloseProfile (proof_profile);
}
else if (src_profile || dest_profile)
{
if (! src_profile)
src_profile = cmsCreate_sRGBProfile ();
if (! dest_profile)
dest_profile = cmsCreate_sRGBProfile ();
lcms->transform = cmsCreateTransform (src_profile, TYPE_ARGB_8,
dest_profile, TYPE_ARGB_8,
config->display_intent,
flags);
}
if (dest_profile)
cmsCloseProfile (dest_profile);
if (src_profile)
cmsCloseProfile (src_profile);
}
static gboolean
cdisplay_lcms_profile_is_rgb (cmsHPROFILE profile)
{
return (cmsGetColorSpace (profile) == cmsSigRgbData);
}
static cmsHPROFILE
cdisplay_lcms_get_rgb_profile (CdisplayLcms *lcms)
{
GimpColorConfig *config;
GimpColorManaged *managed;
cmsHPROFILE profile = NULL;
managed = gimp_color_display_get_managed (GIMP_COLOR_DISPLAY (lcms));
if (managed)
{
gsize len;
const guint8 *data = gimp_color_managed_get_icc_profile (managed, &len);
if (data)
profile = cmsOpenProfileFromMem ((gpointer) data, len);
if (profile &&
! cdisplay_lcms_profile_is_rgb (profile))
{
cmsCloseProfile (profile);
profile = NULL;
}
}
if (! profile)
{
config = gimp_color_display_get_config (GIMP_COLOR_DISPLAY (lcms));
if (config->rgb_profile)
profile = cmsOpenProfileFromFile (config->rgb_profile, "r");
}
return profile;
}
static GdkScreen *
cdisplay_lcms_get_screen (CdisplayLcms *lcms,
gint *monitor)
{
GimpColorManaged *managed;
GdkScreen *screen;
managed = gimp_color_display_get_managed (GIMP_COLOR_DISPLAY (lcms));
if (GTK_IS_WIDGET (managed))
screen = gtk_widget_get_screen (GTK_WIDGET (managed));
else
screen = gdk_screen_get_default ();
g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
if (GTK_IS_WIDGET (managed) && gtk_widget_is_drawable (GTK_WIDGET (managed)))
{
GtkWidget *widget = GTK_WIDGET (managed);
*monitor = gdk_screen_get_monitor_at_window (screen,
gtk_widget_get_window (widget));
}
else
{
*monitor = 0;
}
return screen;
}
static cmsHPROFILE
cdisplay_lcms_get_display_profile (CdisplayLcms *lcms)
{
GimpColorConfig *config;
cmsHPROFILE profile = NULL;
config = gimp_color_display_get_config (GIMP_COLOR_DISPLAY (lcms));
#if defined GDK_WINDOWING_X11
if (config->display_profile_from_gdk)
{
GdkScreen *screen;
GdkAtom type = GDK_NONE;
gint format = 0;
gint nitems = 0;
gint monitor = 0;
gchar *atom_name;
guchar *data = NULL;
screen = cdisplay_lcms_get_screen (lcms, &monitor);
if (monitor > 0)
atom_name = g_strdup_printf ("_ICC_PROFILE_%d", monitor);
else
atom_name = g_strdup ("_ICC_PROFILE");
if (gdk_property_get (gdk_screen_get_root_window (screen),
gdk_atom_intern (atom_name, FALSE),
GDK_NONE,
0, 64 * 1024 * 1024, FALSE,
&type, &format, &nitems, &data) && nitems > 0)
{
profile = cmsOpenProfileFromMem (data, nitems);
g_free (data);
}
g_free (atom_name);
}
#elif defined GDK_WINDOWING_QUARTZ
if (config->display_profile_from_gdk)
{
CMProfileRef prof = NULL;
gint monitor = 0;
cdisplay_lcms_get_screen (lcms, &monitor);
CMGetProfileByAVID (monitor, &prof);
if (prof)
{
CFDataRef data;
data = CMProfileCopyICCData (NULL, prof);
CMCloseProfile (prof);
if (data)
{
UInt8 *buffer = g_malloc (CFDataGetLength (data));
/* We cannot use CFDataGetBytesPtr(), because that returns
* a const pointer where cmsOpenProfileFromMem wants a
* non-const pointer.
*/
CFDataGetBytes (data, CFRangeMake (0, CFDataGetLength (data)),
buffer);
profile = cmsOpenProfileFromMem (buffer, CFDataGetLength (data));
g_free (buffer);
CFRelease (data);
}
}
}
#elif defined G_OS_WIN32
if (config->display_profile_from_gdk)
{
HDC hdc = GetDC (NULL);
if (hdc)
{
gchar *path;
gint32 len = 0;
GetICMProfile (hdc, &len, NULL);
path = g_new (gchar, len);
if (GetICMProfile (hdc, &len, path))
profile = cmsOpenProfileFromFile (path, "r");
g_free (path);
ReleaseDC (NULL, hdc);
}
}
#endif
if (! profile && config->display_profile)
profile = cmsOpenProfileFromFile (config->display_profile, "r");
return profile;
}
static cmsHPROFILE
cdisplay_lcms_get_printer_profile (CdisplayLcms *lcms)
{
GimpColorConfig *config;
config = gimp_color_display_get_config (GIMP_COLOR_DISPLAY (lcms));
if (config->printer_profile)
return cmsOpenProfileFromFile (config->printer_profile, "r");
return NULL;
}
static void
cdisplay_lcms_attach_labelled (GtkTable *table,
gint row,
const gchar *text,
GtkWidget *widget)
{
GtkWidget *label;
label = g_object_new (GTK_TYPE_LABEL,
"label", text,
"xalign", 1.0,
"yalign", 0.5,
NULL);
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
-1);
gtk_table_attach (table, label, 0, 1, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
gtk_widget_show (label);
if (GTK_IS_LABEL (widget))
gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
gtk_table_attach (table, widget, 1, 2, row, row + 1,
GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_widget_show (widget);
}
static void
cdisplay_lcms_update_profile_label (CdisplayLcms *lcms,
const gchar *name)
{
GtkWidget *label;
cmsHPROFILE profile = NULL;
gchar *text = NULL;
gchar *tooltip = NULL;
label = g_object_get_data (G_OBJECT (lcms), name);
if (! label)
return;
if (strcmp (name, "rgb-profile") == 0)
{
profile = cdisplay_lcms_get_rgb_profile (lcms);
}
else if (g_str_has_prefix (name, "display-profile"))
{
profile = cdisplay_lcms_get_display_profile (lcms);
}
else if (strcmp (name, "printer-profile") == 0)
{
profile = cdisplay_lcms_get_printer_profile (lcms);
}
else
{
g_return_if_reached ();
}
cdisplay_lcms_profile_get_info (profile, &text, &tooltip);
gtk_label_set_text (GTK_LABEL (label), text);
gimp_help_set_help_data (label, tooltip, NULL);
g_free (text);
g_free (tooltip);
if (profile)
cmsCloseProfile (profile);
}
static void
cdisplay_lcms_notify_profile (GObject *config,
GParamSpec *pspec,
CdisplayLcms *lcms)
{
cdisplay_lcms_update_profile_label (lcms, pspec->name);
}
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