static gboolean
gimp_color_balance_config_copy (GimpConfig *src,
GimpConfig *dest,
GParamFlags flags)
{
GimpColorBalanceConfig *src_config = GIMP_COLOR_BALANCE_CONFIG (src);
GimpColorBalanceConfig *dest_config = GIMP_COLOR_BALANCE_CONFIG (dest);
GimpTransferMode range;
for (range = GIMP_TRANSFER_SHADOWS;
range <= GIMP_TRANSFER_HIGHLIGHTS;
range++)
{
dest_config->cyan_red[range] = src_config->cyan_red[range];
dest_config->magenta_green[range] = src_config->magenta_green[range];
dest_config->yellow_blue[range] = src_config->yellow_blue[range];
}
g_object_notify (G_OBJECT (dest), "cyan-red");
g_object_notify (G_OBJECT (dest), "magenta-green");
g_object_notify (G_OBJECT (dest), "yellow-blue");
dest_config->range = src_config->range;
dest_config->preserve_luminosity = src_config->preserve_luminosity;
g_object_notify (G_OBJECT (dest), "range");
g_object_notify (G_OBJECT (dest), "preserve-luminosity");
return TRUE;
}
static gboolean
gimp_color_balance_config_equal (GimpConfig *a,
GimpConfig *b)
{
GimpColorBalanceConfig *config_a = GIMP_COLOR_BALANCE_CONFIG (a);
GimpColorBalanceConfig *config_b = GIMP_COLOR_BALANCE_CONFIG (b);
GimpTransferMode range;
for (range = GIMP_TRANSFER_SHADOWS;
range <= GIMP_TRANSFER_HIGHLIGHTS;
range++)
{
if (config_a->cyan_red[range] != config_b->cyan_red[range] ||
config_a->magenta_green[range] != config_b->magenta_green[range] ||
config_a->yellow_blue[range] != config_b->yellow_blue[range])
return FALSE;
}
/* don't compare "range" */
if (config_a->preserve_luminosity != config_b->preserve_luminosity)
return FALSE;
return TRUE;
}
static void
gimp_color_balance_config_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpColorBalanceConfig *self = GIMP_COLOR_BALANCE_CONFIG (object);
switch (property_id)
{
case PROP_RANGE:
g_value_set_enum (value, self->range);
break;
case PROP_CYAN_RED:
g_value_set_double (value, self->cyan_red[self->range]);
break;
case PROP_MAGENTA_GREEN:
g_value_set_double (value, self->magenta_green[self->range]);
break;
case PROP_YELLOW_BLUE:
g_value_set_double (value, self->yellow_blue[self->range]);
break;
case PROP_PRESERVE_LUMINOSITY:
g_value_set_boolean (value, self->preserve_luminosity);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gboolean
gimp_color_balance_config_serialize (GimpConfig *config,
GimpConfigWriter *writer,
gpointer data)
{
GimpColorBalanceConfig *bc_config = GIMP_COLOR_BALANCE_CONFIG (config);
GimpTransferMode range;
GimpTransferMode old_range;
gboolean success = TRUE;
if (! gimp_config_serialize_property_by_name (config, "time", writer))
return FALSE;
old_range = bc_config->range;
for (range = GIMP_TRANSFER_SHADOWS;
range <= GIMP_TRANSFER_HIGHLIGHTS;
range++)
{
bc_config->range = range;
success = (gimp_config_serialize_property_by_name (config,
"range",
writer) &&
gimp_config_serialize_property_by_name (config,
"cyan-red",
writer) &&
gimp_config_serialize_property_by_name (config,
"magenta-green",
writer) &&
gimp_config_serialize_property_by_name (config,
"yellow-blue",
writer));
if (! success)
break;
}
if (success)
success = gimp_config_serialize_property_by_name (config,
"preserve-luminosity",
writer);
bc_config->range = old_range;
return success;
}
static void
gimp_color_balance_config_reset (GimpConfig *config)
{
GimpColorBalanceConfig *cb_config = GIMP_COLOR_BALANCE_CONFIG (config);
GimpTransferMode range;
for (range = GIMP_TRANSFER_SHADOWS;
range <= GIMP_TRANSFER_HIGHLIGHTS;
range++)
{
cb_config->range = range;
gimp_color_balance_config_reset_range (cb_config);
}
gimp_config_reset_property (G_OBJECT (config), "range");
gimp_config_reset_property (G_OBJECT (config), "preserve-luminosity");
}
static gboolean
gimp_color_balance_config_deserialize (GimpConfig *config,
GScanner *scanner,
gint nest_level,
gpointer data)
{
GimpColorBalanceConfig *cb_config = GIMP_COLOR_BALANCE_CONFIG (config);
GimpTransferMode old_range;
gboolean success = TRUE;
old_range = cb_config->range;
success = gimp_config_deserialize_properties (config, scanner, nest_level);
g_object_set (config, "range", old_range, NULL);
return success;
}
static void
color_balance_config_notify (GObject *object,
GParamSpec *pspec,
GimpColorBalanceTool *cb_tool)
{
GimpColorBalanceConfig *config = GIMP_COLOR_BALANCE_CONFIG (object);
if (! cb_tool->cyan_red_adj)
return;
if (! strcmp (pspec->name, "range"))
{
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (cb_tool->range_radio),
config->range);
}
else if (! strcmp (pspec->name, "cyan-red"))
{
gtk_adjustment_set_value (cb_tool->cyan_red_adj,
config->cyan_red[config->range] * 100.0);
}
else if (! strcmp (pspec->name, "magenta-green"))
{
gtk_adjustment_set_value (cb_tool->magenta_green_adj,
config->magenta_green[config->range] * 100.0);
}
else if (! strcmp (pspec->name, "yellow-blue"))
{
gtk_adjustment_set_value (cb_tool->yellow_blue_adj,
config->yellow_blue[config->range] * 100.0);
}
else if (! strcmp (pspec->name, "preserve-luminosity"))
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (cb_tool->preserve_toggle),
config->preserve_luminosity);
}
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (cb_tool));
}
static gboolean
gimp_operation_color_balance_process (GeglOperation *operation,
void *in_buf,
void *out_buf,
glong samples,
const GeglRectangle *roi,
gint level)
{
GimpOperationPointFilter *point = GIMP_OPERATION_POINT_FILTER (operation);
GimpColorBalanceConfig *config = GIMP_COLOR_BALANCE_CONFIG (point->config);
gfloat *src = in_buf;
gfloat *dest = out_buf;
if (! config)
return FALSE;
while (samples--)
{
gfloat r = src[RED];
gfloat g = src[GREEN];
gfloat b = src[BLUE];
gfloat r_n;
gfloat g_n;
gfloat b_n;
GimpRGB rgb = { r, g, b};
GimpHSL hsl;
gimp_rgb_to_hsl (&rgb, &hsl);
r_n = gimp_operation_color_balance_map (r, hsl.l,
config->cyan_red[GIMP_SHADOWS],
config->cyan_red[GIMP_MIDTONES],
config->cyan_red[GIMP_HIGHLIGHTS]);
g_n = gimp_operation_color_balance_map (g, hsl.l,
config->magenta_green[GIMP_SHADOWS],
config->magenta_green[GIMP_MIDTONES],
config->magenta_green[GIMP_HIGHLIGHTS]);
b_n = gimp_operation_color_balance_map (b, hsl.l,
config->yellow_blue[GIMP_SHADOWS],
config->yellow_blue[GIMP_MIDTONES],
config->yellow_blue[GIMP_HIGHLIGHTS]);
if (config->preserve_luminosity)
{
GimpHSL hsl2;
rgb.r = r_n;
rgb.g = g_n;
rgb.b = b_n;
gimp_rgb_to_hsl (&rgb, &hsl);
rgb.r = r;
rgb.g = g;
rgb.b = b;
gimp_rgb_to_hsl (&rgb, &hsl2);
hsl.l = hsl2.l;
gimp_hsl_to_rgb (&hsl, &rgb);
r_n = rgb.r;
g_n = rgb.g;
b_n = rgb.b;
}
dest[RED] = r_n;
dest[GREEN] = g_n;
dest[BLUE] = b_n;
dest[ALPHA] = src[ALPHA];
src += 4;
dest += 4;
}
return TRUE;
}
static void
color_balance_range_reset_callback (GtkWidget *widget,
GimpImageMapTool *im_tool)
{
gimp_color_balance_config_reset_range (GIMP_COLOR_BALANCE_CONFIG (im_tool->config));
}
