static void
gimp_colorize_tool_config_notify (GObject *object,
GParamSpec *pspec,
GimpColorizeTool *col_tool)
{
GimpColorizeConfig *config = GIMP_COLORIZE_CONFIG (object);
GimpRGB color;
if (! col_tool->hue_data)
return;
if (! strcmp (pspec->name, "hue"))
{
gtk_adjustment_set_value (col_tool->hue_data,
config->hue * 360.0);
}
else if (! strcmp (pspec->name, "saturation"))
{
gtk_adjustment_set_value (col_tool->saturation_data,
config->saturation * 100.0);
}
else if (! strcmp (pspec->name, "lightness"))
{
gtk_adjustment_set_value (col_tool->lightness_data,
config->lightness * 100.0);
}
gimp_colorize_config_get_color (col_tool->config, &color);
gimp_color_button_set_color (GIMP_COLOR_BUTTON (col_tool->color_button),
&color);
}
static gboolean
gimp_colorize_config_equal (GimpConfig *a,
GimpConfig *b)
{
GimpColorizeConfig *config_a = GIMP_COLORIZE_CONFIG (a);
GimpColorizeConfig *config_b = GIMP_COLORIZE_CONFIG (b);
if (config_a->hue != config_b->hue ||
config_a->saturation != config_b->saturation ||
config_a->lightness != config_b->lightness)
{
return FALSE;
}
return TRUE;
}
static void
gimp_colorize_tool_config_notify (GObject *object,
GParamSpec *pspec,
GimpColorizeTool *col_tool)
{
GimpColorizeConfig *config = GIMP_COLORIZE_CONFIG (object);
if (! col_tool->hue_data)
return;
if (! strcmp (pspec->name, "hue"))
{
gtk_adjustment_set_value (col_tool->hue_data,
config->hue * 360.0);
}
else if (! strcmp (pspec->name, "saturation"))
{
gtk_adjustment_set_value (col_tool->saturation_data,
config->saturation * 100.0);
}
else if (! strcmp (pspec->name, "lightness"))
{
gtk_adjustment_set_value (col_tool->lightness_data,
config->lightness * 100.0);
}
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (col_tool));
}
static gboolean
gimp_operation_colorize_process (GeglOperation *operation,
void *in_buf,
void *out_buf,
glong samples,
const GeglRectangle *roi,
gint level)
{
GimpOperationPointFilter *point = GIMP_OPERATION_POINT_FILTER (operation);
GimpColorizeConfig *config = GIMP_COLORIZE_CONFIG (point->config);
gfloat *src = in_buf;
gfloat *dest = out_buf;
GimpHSL hsl;
if (! config)
return FALSE;
hsl.h = config->hue;
hsl.s = config->saturation;
hsl.a = src[ALPHA];
while (samples--)
{
GimpRGB rgb;
gfloat lum = GIMP_RGB_LUMINANCE (src[RED],
src[GREEN],
src[BLUE]);
if (config->lightness > 0)
{
lum = lum * (1.0 - config->lightness);
lum += 1.0 - (1.0 - config->lightness);
}
else if (config->lightness < 0)
{
lum = lum * (config->lightness + 1.0);
}
hsl.l = lum;
gimp_hsl_to_rgb (&hsl, &rgb);
/* the code in base/colorize.c would multiply r,b,g with lum,
* but this is a bug since it should multiply with 255. We
* don't repeat this bug here (this is the reason why the gegl
* colorize is brighter than the legacy one).
*/
dest[RED] = rgb.r; /* * lum; */
dest[GREEN] = rgb.g; /* * lum; */
dest[BLUE] = rgb.b; /* * lum */;
dest[ALPHA] = rgb.a;
src += 4;
dest += 4;
}
return TRUE;
}
static void
gimp_colorize_config_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpColorizeConfig *self = GIMP_COLORIZE_CONFIG (object);
switch (property_id)
{
case PROP_HUE:
self->hue = g_value_get_double (value);
g_object_notify (object, "color");
break;
case PROP_SATURATION:
self->saturation = g_value_get_double (value);
g_object_notify (object, "color");
break;
case PROP_LIGHTNESS:
self->lightness = g_value_get_double (value);
g_object_notify (object, "color");
break;
case PROP_COLOR:
{
GimpRGB rgb;
GimpHSL hsl;
gimp_value_get_rgb (value, &rgb);
gimp_rgb_to_hsl (&rgb, &hsl);
if (hsl.h == -1)
hsl.h = self->hue;
if (hsl.l == 0.0 || hsl.l == 1.0)
hsl.s = self->saturation;
g_object_set (self,
"hue", hsl.h,
"saturation", hsl.s,
"lightness", hsl.l * 2.0 - 1.0,
NULL);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_colorize_config_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpColorizeConfig *self = GIMP_COLORIZE_CONFIG (object);
switch (property_id)
{
case PROP_HUE:
g_value_set_double (value, self->hue);
break;
case PROP_SATURATION:
g_value_set_double (value, self->saturation);
break;
case PROP_LIGHTNESS:
g_value_set_double (value, self->lightness);
break;
case PROP_COLOR:
{
GimpHSL hsl;
GimpRGB rgb;
gimp_hsl_set (&hsl,
self->hue,
self->saturation,
(self->lightness + 1.0) / 2.0);
gimp_hsl_set_alpha (&hsl, 1.0);
gimp_hsl_to_rgb (&hsl, &rgb);
gimp_value_set_rgb (value, &rgb);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
