static void
gimp_curves_tool_finalize (GObject *object)
{
GimpCurvesTool *tool = GIMP_CURVES_TOOL (object);
gimp_lut_free (tool->lut);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_brightness_contrast_tool_finalize (GObject *object)
{
GimpBrightnessContrastTool *bc_tool = GIMP_BRIGHTNESS_CONTRAST_TOOL (object);
if (bc_tool->lut)
{
gimp_lut_free (bc_tool->lut);
bc_tool->lut = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_posterize_tool_finalize (GObject *object)
{
GimpPosterizeTool *posterize_tool = GIMP_POSTERIZE_TOOL (object);
if (posterize_tool->lut)
{
gimp_lut_free (posterize_tool->lut);
posterize_tool->lut = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_levels_tool_finalize (GObject *object)
{
GimpLevelsTool *tool = GIMP_LEVELS_TOOL (object);
gimp_lut_free (tool->lut);
if (tool->histogram)
{
gimp_histogram_unref (tool->histogram);
tool->histogram = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
void
gimp_drawable_brightness_contrast (GimpDrawable *drawable,
GimpProgress *progress,
gint brightness,
gint contrast)
{
GimpBrightnessContrastConfig *config;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (! gimp_drawable_is_indexed (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
config = g_object_new (GIMP_TYPE_BRIGHTNESS_CONTRAST_CONFIG,
"brightness", brightness / 127.0,
"contrast", contrast / 127.0,
NULL);
if (gimp_use_gegl (gimp_item_get_image (GIMP_ITEM (drawable))->gimp))
{
GeglNode *node;
node = g_object_new (GEGL_TYPE_NODE,
"operation", "gimp:brightness-contrast",
"config", config,
NULL);
gimp_drawable_apply_operation (drawable, progress,
C_("undo-type", "Brightness-Contrast")
, node, TRUE);
g_object_unref (node);
}
else
{
GimpLut *lut;
lut = brightness_contrast_lut_new (config->brightness / 2.0,
config->contrast,
gimp_drawable_bytes (drawable));
gimp_drawable_process_lut (drawable, progress,
C_("undo-type", "Brightness-Contrast"),
lut);
gimp_lut_free (lut);
}
g_object_unref (config);
}
void
gimp_drawable_equalize (GimpDrawable *drawable,
gboolean mask_only)
{
GimpHistogram *hist;
GimpLut *lut;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
hist = gimp_histogram_new ();
gimp_drawable_calculate_histogram (drawable, hist);
lut = equalize_lut_new (hist, gimp_drawable_bytes (drawable));
gimp_histogram_unref (hist);
gimp_drawable_process_lut (drawable, NULL, _("Equalize"), lut);
gimp_lut_free (lut);
}
void
gimp_drawable_posterize (GimpDrawable *drawable,
GimpProgress *progress,
gint levels)
{
GimpPosterizeConfig *config;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (! gimp_drawable_is_indexed (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
config = g_object_new (GIMP_TYPE_POSTERIZE_CONFIG,
"levels", levels,
NULL);
if (gimp_use_gegl (gimp_item_get_image (GIMP_ITEM (drawable))->gimp))
{
GeglNode *node;
node = g_object_new (GEGL_TYPE_NODE,
"operation", "gimp:posterize",
NULL);
gegl_node_set (node,
"config", config,
NULL);
gimp_drawable_apply_operation (drawable, progress, _("Posterize"),
node, TRUE);
g_object_unref (node);
}
else
{
GimpLut *lut;
lut = posterize_lut_new (config->levels, gimp_drawable_bytes (drawable));
gimp_drawable_process_lut (drawable, progress, _("Posterize"), lut);
gimp_lut_free (lut);
}
g_object_unref (config);
}
static void
gimp_drawable_curves (GimpDrawable *drawable,
GimpProgress *progress,
GimpCurvesConfig *config)
{
if (gimp_use_gegl (gimp_item_get_image (GIMP_ITEM (drawable))->gimp))
{
GeglNode *node;
node = g_object_new (GEGL_TYPE_NODE,
"operation", "gimp:curves",
NULL);
gegl_node_set (node,
"config", config,
NULL);
gimp_drawable_apply_operation (drawable, progress, C_("undo-type", "Curves"),
node, TRUE);
g_object_unref (node);
}
else
{
GimpLut *lut = gimp_lut_new ();
Curves cruft;
gimp_curves_config_to_cruft (config, &cruft,
gimp_drawable_is_rgb (drawable));
gimp_lut_setup (lut,
(GimpLutFunc) curves_lut_func,
&cruft,
gimp_drawable_bytes (drawable));
gimp_drawable_process_lut (drawable, progress, C_("undo-type", "Curves"), lut);
gimp_lut_free (lut);
}
}
