static void
cdisplay_lcms_changed (GimpColorDisplay *display)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
GtkWidget *widget = NULL;
GimpColorConfig *config;
GimpColorManaged *managed;
GimpColorProfile *src_profile;
if (lcms->transform)
{
g_object_unref (lcms->transform);
lcms->transform = NULL;
}
config = gimp_color_display_get_config (display);
managed = gimp_color_display_get_managed (display);
if (! config || ! managed)
return;
if (GTK_IS_WIDGET (managed))
widget = gtk_widget_get_toplevel (GTK_WIDGET (managed));
src_profile = gimp_color_managed_get_color_profile (managed);
lcms->transform =
gimp_widget_get_color_transform (widget,
config, src_profile,
babl_format ("R'G'B'A float"),
babl_format ("R'G'B'A float"));
}
static void
cdisplay_lcms_convert_buffer (GimpColorDisplay *display,
GeglBuffer *buffer,
GeglRectangle *area)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
if (lcms->transform)
gimp_color_transform_process_buffer (lcms->transform,
buffer, area,
buffer, area);
}
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_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_convert_buffer (GimpColorDisplay *display,
GeglBuffer *buffer,
GeglRectangle *area)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
GeglBufferIterator *iter;
if (! lcms->transform)
return;
iter = gegl_buffer_iterator_new (buffer, area, 0,
babl_format ("R'G'B'A float"),
GEGL_BUFFER_READWRITE, GEGL_ABYSS_NONE);
while (gegl_buffer_iterator_next (iter))
{
gfloat *data = iter->data[0];
cmsDoTransform (lcms->transform, data, data, iter->length);
}
}
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;
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 (proof_profile)
{
cmsUInt32Number softproof_flags = 0;
if (! src_profile)
src_profile = gimp_lcms_create_srgb_profile ();
if (! dest_profile)
dest_profile = gimp_lcms_create_srgb_profile ();
softproof_flags |= cmsFLAGS_SOFTPROOFING;
if (config->simulation_use_black_point_compensation)
{
softproof_flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
if (config->simulation_gamut_check)
{
guchar r, g, b;
softproof_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_RGBA_FLT,
dest_profile, TYPE_RGBA_FLT,
proof_profile,
config->simulation_intent,
config->display_intent,
softproof_flags);
cmsCloseProfile (proof_profile);
}
else if (src_profile || dest_profile)
{
cmsUInt32Number display_flags = 0;
if (! src_profile)
src_profile = gimp_lcms_create_srgb_profile ();
if (! dest_profile)
dest_profile = gimp_lcms_create_srgb_profile ();
if (config->display_use_black_point_compensation)
{
display_flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
lcms->transform = cmsCreateTransform (src_profile, TYPE_RGBA_FLT,
dest_profile, TYPE_RGBA_FLT,
config->display_intent,
display_flags);
}
if (dest_profile)
cmsCloseProfile (dest_profile);
if (src_profile)
cmsCloseProfile (src_profile);
}
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;
}
