sp-color-scales.cpp revision 53650c4839343807b95444a86e89225fc71de648
/*
* bulia byak <buliabyak@users.sf.net>
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <math.h>
#include <gtk/gtk.h>
#include <glibmm/i18n.h>
#include "../dialogs/dialog-events.h"
#include "sp-color-scales.h"
#define CSC_CHANNEL_R (1 << 0)
#define CSC_CHANNEL_G (1 << 1)
#define CSC_CHANNEL_B (1 << 2)
#define CSC_CHANNEL_A (1 << 3)
#define CSC_CHANNEL_H (1 << 0)
#define CSC_CHANNEL_S (1 << 1)
#define CSC_CHANNEL_V (1 << 2)
#define CSC_CHANNEL_C (1 << 0)
#define CSC_CHANNEL_M (1 << 1)
#define CSC_CHANNEL_Y (1 << 2)
#define CSC_CHANNEL_K (1 << 3)
#define CSC_CHANNEL_CMYKA (1 << 4)
#define CSC_CHANNELS_ALL 0
G_BEGIN_DECLS
static void sp_color_scales_class_init (SPColorScalesClass *klass);
static void sp_color_scales_init (SPColorScales *cs);
static void sp_color_scales_destroy (GtkObject *object);
static void sp_color_scales_show_all (GtkWidget *widget);
static void sp_color_scales_hide_all (GtkWidget *widget);
static const gchar *sp_color_scales_hue_map (void);
G_END_DECLS
static SPColorSelectorClass *parent_class;
#define XPAD 4
#define YPAD 1
#define noDUMP_CHANGE_INFO 1
GType
sp_color_scales_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (SPColorScalesClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) sp_color_scales_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (SPColorScales),
0, /* n_preallocs */
(GInstanceInitFunc) sp_color_scales_init,
NULL
};
type = g_type_register_static (SP_TYPE_COLOR_SELECTOR,
"SPColorScales",
&info,
static_cast< GTypeFlags > (0) );
}
return type;
}
static void
sp_color_scales_class_init (SPColorScalesClass *klass)
{
static const gchar* nameset[] = {N_("RGB"), N_("HSL"), N_("CMYK"), 0};
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
SPColorSelectorClass *selector_class;
object_class = (GtkObjectClass *) klass;
widget_class = (GtkWidgetClass *) klass;
selector_class = SP_COLOR_SELECTOR_CLASS (klass);
parent_class = SP_COLOR_SELECTOR_CLASS (g_type_class_peek_parent (klass));
selector_class->name = nameset;
selector_class->submode_count = 3;
object_class->destroy = sp_color_scales_destroy;
widget_class->show_all = sp_color_scales_show_all;
widget_class->hide_all = sp_color_scales_hide_all;
}
ColorScales::ColorScales( SPColorSelector* csel )
: ColorSelector( csel ),
_mode( SP_COLOR_SCALES_MODE_NONE ),
_rangeLimit( 255.0 ),
_updating( FALSE ),
_dragging( FALSE )
{
for (gint i = 0; i < 5; i++) {
_l[i] = 0;
_a[i] = 0;
_s[i] = 0;
_b[i] = 0;
}
}
ColorScales::~ColorScales()
{
for (gint i = 0; i < 5; i++) {
_l[i] = 0;
_a[i] = 0;
_s[i] = 0;
_b[i] = 0;
}
}
void sp_color_scales_init (SPColorScales *cs)
{
SP_COLOR_SELECTOR(cs)->base = new ColorScales( SP_COLOR_SELECTOR(cs) );
if ( SP_COLOR_SELECTOR(cs)->base )
{
SP_COLOR_SELECTOR(cs)->base->init();
}
}
void ColorScales::init()
{
GtkWidget *t;
gint i;
_updating = FALSE;
_dragging = FALSE;
_tt = gtk_tooltips_new();
t = gtk_table_new (5, 3, FALSE);
gtk_widget_show (t);
gtk_box_pack_start (GTK_BOX (_csel), t, TRUE, TRUE, 0);
/* Create components */
for (i = 0; i < static_cast< gint > (G_N_ELEMENTS(_a)) ; i++) {
/* Label */
_l[i] = gtk_label_new("");
gtk_misc_set_alignment (GTK_MISC (_l[i]), 1.0, 0.5);
gtk_widget_show (_l[i]);
gtk_table_attach (GTK_TABLE (t), _l[i], 0, 1, i, i + 1, GTK_FILL, GTK_FILL, XPAD, YPAD);
/* Adjustment */
_a[i] = (GtkAdjustment *) gtk_adjustment_new (0.0, 0.0, _rangeLimit, 1.0, 10.0, 10.0);
/* Slider */
_s[i] = sp_color_slider_new (_a[i]);
gtk_widget_show (_s[i]);
gtk_table_attach (GTK_TABLE (t), _s[i], 1, 2, i, i + 1, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)GTK_FILL, XPAD, YPAD);
/* Spinbutton */
_b[i] = gtk_spin_button_new (GTK_ADJUSTMENT (_a[i]), 1.0, 0);
sp_dialog_defocus_on_enter (_b[i]);
gtk_label_set_mnemonic_widget (GTK_LABEL(_l[i]), _b[i]);
gtk_widget_show (_b[i]);
gtk_table_attach (GTK_TABLE (t), _b[i], 2, 3, i, i + 1, (GtkAttachOptions)0, (GtkAttachOptions)0, XPAD, YPAD);
/* Attach channel value to adjustment */
gtk_object_set_data (GTK_OBJECT (_a[i]), "channel", GINT_TO_POINTER (i));
/* Signals */
gtk_signal_connect (GTK_OBJECT (_a[i]), "value_changed",
GTK_SIGNAL_FUNC (_adjustmentAnyChanged), _csel);
gtk_signal_connect (GTK_OBJECT (_s[i]), "grabbed",
GTK_SIGNAL_FUNC (_sliderAnyGrabbed), _csel);
gtk_signal_connect (GTK_OBJECT (_s[i]), "released",
GTK_SIGNAL_FUNC (_sliderAnyReleased), _csel);
gtk_signal_connect (GTK_OBJECT (_s[i]), "changed",
GTK_SIGNAL_FUNC (_sliderAnyChanged), _csel);
}
/* Initial mode is none, so it works */
setMode(SP_COLOR_SCALES_MODE_RGB);
}
static void
sp_color_scales_destroy (GtkObject *object)
{
if (((GtkObjectClass *) (parent_class))->destroy)
(* ((GtkObjectClass *) (parent_class))->destroy) (object);
}
static void
sp_color_scales_show_all (GtkWidget *widget)
{
gtk_widget_show (widget);
}
static void
sp_color_scales_hide_all (GtkWidget *widget)
{
gtk_widget_hide (widget);
}
GtkWidget *
sp_color_scales_new (void)
{
SPColorScales *csel;
csel = (SPColorScales*)gtk_type_new (SP_TYPE_COLOR_SCALES);
return GTK_WIDGET (csel);
}
void ColorScales::_recalcColor( gboolean changing )
{
if ( changing )
{
SPColor color;
gfloat alpha = 1.0;
gfloat c[5];
switch (_mode) {
case SP_COLOR_SCALES_MODE_RGB:
case SP_COLOR_SCALES_MODE_HSV:
_getRgbaFloatv(c);
color.set( c[0], c[1], c[2] );
alpha = c[3];
break;
case SP_COLOR_SCALES_MODE_CMYK:
{
_getCmykaFloatv( c );
float rgb[3];
sp_color_cmyk_to_rgb_floatv( rgb, c[0], c[1], c[2], c[3] );
color.set( rgb[0], rgb[1], rgb[2] );
alpha = c[4];
break;
}
default:
g_warning ("file %s: line %d: Illegal color selector mode %d", __FILE__, __LINE__, _mode);
break;
}
_updateInternals( color, alpha, _dragging );
}
else
{
_updateInternals( _color, _alpha, _dragging );
}
}
/* Helpers for setting color value */
gfloat ColorScales::getScaled( const GtkAdjustment *a )
{
gfloat val = a->value / a->upper;
return val;
}
void ColorScales::setScaled( GtkAdjustment *a, gfloat v )
{
gfloat val = v * a->upper;
gtk_adjustment_set_value( a, val );
}
void ColorScales::_setRangeLimit( gdouble upper )
{
_rangeLimit = upper;
for ( gint i = 0; i < static_cast<gint>(G_N_ELEMENTS(_a)); i++ ) {
_a[i]->upper = upper;
gtk_adjustment_changed( _a[i] );
}
}
void ColorScales::_colorChanged()
{
#ifdef DUMP_CHANGE_INFO
g_message("ColorScales::_colorChanged( this=%p, %f, %f, %f, %f)", this, _color.v.c[0], _color.v.c[1], _color.v.c[2], _alpha );
#endif
gfloat tmp[3];
gfloat c[5] = {0.0, 0.0, 0.0, 0.0};
switch (_mode) {
case SP_COLOR_SCALES_MODE_RGB:
sp_color_get_rgb_floatv( &_color, c );
c[3] = _alpha;
c[4] = 0.0;
break;
case SP_COLOR_SCALES_MODE_HSV:
sp_color_get_rgb_floatv( &_color, tmp );
sp_color_rgb_to_hsl_floatv (c, tmp[0], tmp[1], tmp[2]);
c[3] = _alpha;
c[4] = 0.0;
break;
case SP_COLOR_SCALES_MODE_CMYK:
sp_color_get_cmyk_floatv( &_color, c );
c[4] = _alpha;
break;
default:
g_warning ("file %s: line %d: Illegal color selector mode %d", __FILE__, __LINE__, _mode);
break;
}
_updating = TRUE;
setScaled( _a[0], c[0] );
setScaled( _a[1], c[1] );
setScaled( _a[2], c[2] );
setScaled( _a[3], c[3] );
setScaled( _a[4], c[4] );
_updateSliders( CSC_CHANNELS_ALL );
_updating = FALSE;
}
void ColorScales::_getRgbaFloatv( gfloat *rgba )
{
g_return_if_fail (rgba != NULL);
switch (_mode) {
case SP_COLOR_SCALES_MODE_RGB:
rgba[0] = getScaled(_a[0]);
rgba[1] = getScaled(_a[1]);
rgba[2] = getScaled(_a[2]);
rgba[3] = getScaled(_a[3]);
break;
case SP_COLOR_SCALES_MODE_HSV:
sp_color_hsl_to_rgb_floatv (rgba, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]));
rgba[3] = getScaled(_a[3]);
break;
case SP_COLOR_SCALES_MODE_CMYK:
sp_color_cmyk_to_rgb_floatv (rgba, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), getScaled(_a[3]));
rgba[3] = getScaled(_a[4]);
break;
default:
g_warning ("file %s: line %d: Illegal color selector mode", __FILE__, __LINE__);
break;
}
}
void ColorScales::_getCmykaFloatv( gfloat *cmyka )
{
gfloat rgb[3];
g_return_if_fail (cmyka != NULL);
switch (_mode) {
case SP_COLOR_SCALES_MODE_RGB:
sp_color_rgb_to_cmyk_floatv (cmyka, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]));
cmyka[4] = getScaled(_a[3]);
break;
case SP_COLOR_SCALES_MODE_HSV:
sp_color_hsl_to_rgb_floatv (rgb, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]));
sp_color_rgb_to_cmyk_floatv (cmyka, rgb[0], rgb[1], rgb[2]);
cmyka[4] = getScaled(_a[3]);
break;
case SP_COLOR_SCALES_MODE_CMYK:
cmyka[0] = getScaled(_a[0]);
cmyka[1] = getScaled(_a[1]);
cmyka[2] = getScaled(_a[2]);
cmyka[3] = getScaled(_a[3]);
cmyka[4] = getScaled(_a[4]);
break;
default:
g_warning ("file %s: line %d: Illegal color selector mode", __FILE__, __LINE__);
break;
}
}
guint32 ColorScales::_getRgba32()
{
gfloat c[4];
guint32 rgba;
_getRgbaFloatv(c);
rgba = SP_RGBA32_F_COMPOSE (c[0], c[1], c[2], c[3]);
return rgba;
}
void ColorScales::setMode(SPColorScalesMode mode)
{
gfloat rgba[4];
gfloat c[4];
if (_mode == mode) return;
if ((_mode == SP_COLOR_SCALES_MODE_RGB) ||
(_mode == SP_COLOR_SCALES_MODE_HSV) ||
(_mode == SP_COLOR_SCALES_MODE_CMYK)) {
_getRgbaFloatv(rgba);
} else {
rgba[0] = rgba[1] = rgba[2] = rgba[3] = 1.0;
}
_mode = mode;
switch (mode) {
case SP_COLOR_SCALES_MODE_RGB:
_setRangeLimit(255.0);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[0]), _("_R"));
gtk_tooltips_set_tip (_tt, _s[0], _("Red"), NULL);
gtk_tooltips_set_tip (_tt, _b[0], _("Red"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[1]), _("_G"));
gtk_tooltips_set_tip (_tt, _s[1], _("Green"), NULL);
gtk_tooltips_set_tip (_tt, _b[1], _("Green"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[2]), _("_B"));
gtk_tooltips_set_tip (_tt, _s[2], _("Blue"), NULL);
gtk_tooltips_set_tip (_tt, _b[2], _("Blue"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[3]), _("_A"));
gtk_tooltips_set_tip (_tt, _s[3], _("Alpha (opacity)"), NULL);
gtk_tooltips_set_tip (_tt, _b[3], _("Alpha (opacity)"), NULL);
sp_color_slider_set_map (SP_COLOR_SLIDER (_s[0]), NULL);
gtk_widget_hide (_l[4]);
gtk_widget_hide (_s[4]);
gtk_widget_hide (_b[4]);
_updating = TRUE;
setScaled( _a[0], rgba[0] );
setScaled( _a[1], rgba[1] );
setScaled( _a[2], rgba[2] );
setScaled( _a[3], rgba[3] );
_updating = FALSE;
_updateSliders( CSC_CHANNELS_ALL );
break;
case SP_COLOR_SCALES_MODE_HSV:
_setRangeLimit(255.0);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[0]), _("_H"));
gtk_tooltips_set_tip (_tt, _s[0], _("Hue"), NULL);
gtk_tooltips_set_tip (_tt, _b[0], _("Hue"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[1]), _("_S"));
gtk_tooltips_set_tip (_tt, _s[1], _("Saturation"), NULL);
gtk_tooltips_set_tip (_tt, _b[1], _("Saturation"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[2]), _("_L"));
gtk_tooltips_set_tip (_tt, _s[2], _("Lightness"), NULL);
gtk_tooltips_set_tip (_tt, _b[2], _("Lightness"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[3]), _("_A"));
gtk_tooltips_set_tip (_tt, _s[3], _("Alpha (opacity)"), NULL);
gtk_tooltips_set_tip (_tt, _b[3], _("Alpha (opacity)"), NULL);
sp_color_slider_set_map (SP_COLOR_SLIDER (_s[0]), (guchar*)sp_color_scales_hue_map ());
gtk_widget_hide (_l[4]);
gtk_widget_hide (_s[4]);
gtk_widget_hide (_b[4]);
_updating = TRUE;
c[0] = 0.0;
sp_color_rgb_to_hsl_floatv (c, rgba[0], rgba[1], rgba[2]);
setScaled( _a[0], c[0] );
setScaled( _a[1], c[1] );
setScaled( _a[2], c[2] );
setScaled( _a[3], rgba[3] );
_updating = FALSE;
_updateSliders( CSC_CHANNELS_ALL );
break;
case SP_COLOR_SCALES_MODE_CMYK:
_setRangeLimit(100.0);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[0]), _("_C"));
gtk_tooltips_set_tip (_tt, _s[0], _("Cyan"), NULL);
gtk_tooltips_set_tip (_tt, _b[0], _("Cyan"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[1]), _("_M"));
gtk_tooltips_set_tip (_tt, _s[1], _("Magenta"), NULL);
gtk_tooltips_set_tip (_tt, _b[1], _("Magenta"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[2]), _("_Y"));
gtk_tooltips_set_tip (_tt, _s[2], _("Yellow"), NULL);
gtk_tooltips_set_tip (_tt, _b[2], _("Yellow"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[3]), _("_K"));
gtk_tooltips_set_tip (_tt, _s[3], _("Black"), NULL);
gtk_tooltips_set_tip (_tt, _b[3], _("Black"), NULL);
gtk_label_set_markup_with_mnemonic (GTK_LABEL (_l[4]), _("_A"));
gtk_tooltips_set_tip (_tt, _s[4], _("Alpha (opacity)"), NULL);
gtk_tooltips_set_tip (_tt, _b[4], _("Alpha (opacity)"), NULL);
sp_color_slider_set_map (SP_COLOR_SLIDER (_s[0]), NULL);
gtk_widget_show (_l[4]);
gtk_widget_show (_s[4]);
gtk_widget_show (_b[4]);
_updating = TRUE;
sp_color_rgb_to_cmyk_floatv (c, rgba[0], rgba[1], rgba[2]);
setScaled( _a[0], c[0] );
setScaled( _a[1], c[1] );
setScaled( _a[2], c[2] );
setScaled( _a[3], c[3] );
setScaled( _a[4], rgba[3] );
_updating = FALSE;
_updateSliders( CSC_CHANNELS_ALL );
break;
default:
g_warning ("file %s: line %d: Illegal color selector mode", __FILE__, __LINE__);
break;
}
}
SPColorScalesMode ColorScales::getMode() const
{
return _mode;
}
void ColorScales::setSubmode( guint submode )
{
g_return_if_fail (_csel != NULL);
g_return_if_fail (SP_IS_COLOR_SCALES (_csel));
g_return_if_fail (submode < 3);
switch ( submode )
{
default:
case 0:
setMode(SP_COLOR_SCALES_MODE_RGB);
break;
case 1:
setMode(SP_COLOR_SCALES_MODE_HSV);
break;
case 2:
setMode(SP_COLOR_SCALES_MODE_CMYK);
break;
}
}
guint ColorScales::getSubmode() const
{
guint submode = 0;
switch ( _mode )
{
case SP_COLOR_SCALES_MODE_HSV:
submode = 1;
break;
case SP_COLOR_SCALES_MODE_CMYK:
submode = 2;
break;
case SP_COLOR_SCALES_MODE_RGB:
default:
submode = 0;
}
return submode;
}
void ColorScales::_adjustmentAnyChanged( GtkAdjustment *adjustment, SPColorScales *cs )
{
gint channel = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (adjustment), "channel"));
_adjustmentChanged(cs, channel);
}
void ColorScales::_sliderAnyGrabbed( SPColorSlider *slider, SPColorScales *cs )
{
(void)slider;
ColorScales* scales = (ColorScales*)(SP_COLOR_SELECTOR(cs)->base);
if (!scales->_dragging) {
scales->_dragging = TRUE;
scales->_grabbed();
scales->_recalcColor( FALSE );
}
}
void ColorScales::_sliderAnyReleased( SPColorSlider *slider, SPColorScales *cs )
{
(void)slider;
ColorScales* scales = (ColorScales*)(SP_COLOR_SELECTOR(cs)->base);
if (scales->_dragging) {
scales->_dragging = FALSE;
scales->_released();
scales->_recalcColor( FALSE );
}
}
void ColorScales::_sliderAnyChanged( SPColorSlider *slider, SPColorScales *cs )
{
(void)slider;
ColorScales* scales = (ColorScales*)(SP_COLOR_SELECTOR(cs)->base);
scales->_recalcColor( TRUE );
}
void ColorScales::_adjustmentChanged( SPColorScales *cs, guint channel )
{
ColorScales* scales = (ColorScales*)(SP_COLOR_SELECTOR(cs)->base);
if (scales->_updating) return;
scales->_updating = TRUE;
scales->_updateSliders( (1 << channel) );
scales->_recalcColor (TRUE);
scales->_updating = FALSE;
}
void ColorScales::_updateSliders( guint channels )
{
gfloat rgb0[3], rgbm[3], rgb1[3];
#ifdef SPCS_PREVIEW
guint32 rgba;
#endif
switch (_mode) {
case SP_COLOR_SCALES_MODE_RGB:
if ((channels != CSC_CHANNEL_R) && (channels != CSC_CHANNEL_A)) {
/* Update red */
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[0]),
SP_RGBA32_F_COMPOSE (0.0, getScaled(_a[1]), getScaled(_a[2]), 1.0),
SP_RGBA32_F_COMPOSE (0.5, getScaled(_a[1]), getScaled(_a[2]), 1.0),
SP_RGBA32_F_COMPOSE (1.0, getScaled(_a[1]), getScaled(_a[2]), 1.0));
}
if ((channels != CSC_CHANNEL_G) && (channels != CSC_CHANNEL_A)) {
/* Update green */
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[1]),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), 0.0, getScaled(_a[2]), 1.0),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), 0.5, getScaled(_a[2]), 1.0),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), 1.0, getScaled(_a[2]), 1.0));
}
if ((channels != CSC_CHANNEL_B) && (channels != CSC_CHANNEL_A)) {
/* Update blue */
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[2]),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), getScaled(_a[1]), 0.0, 1.0),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), getScaled(_a[1]), 0.5, 1.0),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), getScaled(_a[1]), 1.0, 1.0));
}
if (channels != CSC_CHANNEL_A) {
/* Update alpha */
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[3]),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 0.0),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 0.5),
SP_RGBA32_F_COMPOSE (getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 1.0));
}
break;
case SP_COLOR_SCALES_MODE_HSV:
/* Hue is never updated */
if ((channels != CSC_CHANNEL_S) && (channels != CSC_CHANNEL_A)) {
/* Update saturation */
sp_color_hsl_to_rgb_floatv (rgb0, getScaled(_a[0]), 0.0, getScaled(_a[2]));
sp_color_hsl_to_rgb_floatv (rgbm, getScaled(_a[0]), 0.5, getScaled(_a[2]));
sp_color_hsl_to_rgb_floatv (rgb1, getScaled(_a[0]), 1.0, getScaled(_a[2]));
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[1]),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 1.0),
SP_RGBA32_F_COMPOSE (rgbm[0], rgbm[1], rgbm[2], 1.0),
SP_RGBA32_F_COMPOSE (rgb1[0], rgb1[1], rgb1[2], 1.0));
}
if ((channels != CSC_CHANNEL_V) && (channels != CSC_CHANNEL_A)) {
/* Update value */
sp_color_hsl_to_rgb_floatv (rgb0, getScaled(_a[0]), getScaled(_a[1]), 0.0);
sp_color_hsl_to_rgb_floatv (rgbm, getScaled(_a[0]), getScaled(_a[1]), 0.5);
sp_color_hsl_to_rgb_floatv (rgb1, getScaled(_a[0]), getScaled(_a[1]), 1.0);
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[2]),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 1.0),
SP_RGBA32_F_COMPOSE (rgbm[0], rgbm[1], rgbm[2], 1.0),
SP_RGBA32_F_COMPOSE (rgb1[0], rgb1[1], rgb1[2], 1.0));
}
if (channels != CSC_CHANNEL_A) {
/* Update alpha */
sp_color_hsl_to_rgb_floatv (rgb0, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]));
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[3]),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 0.0),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 0.5),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 1.0));
}
break;
case SP_COLOR_SCALES_MODE_CMYK:
if ((channels != CSC_CHANNEL_C) && (channels != CSC_CHANNEL_CMYKA)) {
/* Update C */
sp_color_cmyk_to_rgb_floatv (rgb0, 0.0, getScaled(_a[1]), getScaled(_a[2]), getScaled(_a[3]));
sp_color_cmyk_to_rgb_floatv (rgbm, 0.5, getScaled(_a[1]), getScaled(_a[2]), getScaled(_a[3]));
sp_color_cmyk_to_rgb_floatv (rgb1, 1.0, getScaled(_a[1]), getScaled(_a[2]), getScaled(_a[3]));
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[0]),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 1.0),
SP_RGBA32_F_COMPOSE (rgbm[0], rgbm[1], rgbm[2], 1.0),
SP_RGBA32_F_COMPOSE (rgb1[0], rgb1[1], rgb1[2], 1.0));
}
if ((channels != CSC_CHANNEL_M) && (channels != CSC_CHANNEL_CMYKA)) {
/* Update M */
sp_color_cmyk_to_rgb_floatv (rgb0, getScaled(_a[0]), 0.0, getScaled(_a[2]), getScaled(_a[3]));
sp_color_cmyk_to_rgb_floatv (rgbm, getScaled(_a[0]), 0.5, getScaled(_a[2]), getScaled(_a[3]));
sp_color_cmyk_to_rgb_floatv (rgb1, getScaled(_a[0]), 1.0, getScaled(_a[2]), getScaled(_a[3]));
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[1]),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 1.0),
SP_RGBA32_F_COMPOSE (rgbm[0], rgbm[1], rgbm[2], 1.0),
SP_RGBA32_F_COMPOSE (rgb1[0], rgb1[1], rgb1[2], 1.0));
}
if ((channels != CSC_CHANNEL_Y) && (channels != CSC_CHANNEL_CMYKA)) {
/* Update Y */
sp_color_cmyk_to_rgb_floatv (rgb0, getScaled(_a[0]), getScaled(_a[1]), 0.0, getScaled(_a[3]));
sp_color_cmyk_to_rgb_floatv (rgbm, getScaled(_a[0]), getScaled(_a[1]), 0.5, getScaled(_a[3]));
sp_color_cmyk_to_rgb_floatv (rgb1, getScaled(_a[0]), getScaled(_a[1]), 1.0, getScaled(_a[3]));
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[2]),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 1.0),
SP_RGBA32_F_COMPOSE (rgbm[0], rgbm[1], rgbm[2], 1.0),
SP_RGBA32_F_COMPOSE (rgb1[0], rgb1[1], rgb1[2], 1.0));
}
if ((channels != CSC_CHANNEL_K) && (channels != CSC_CHANNEL_CMYKA)) {
/* Update K */
sp_color_cmyk_to_rgb_floatv (rgb0, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 0.0);
sp_color_cmyk_to_rgb_floatv (rgbm, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 0.5);
sp_color_cmyk_to_rgb_floatv (rgb1, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 1.0);
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[3]),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 1.0),
SP_RGBA32_F_COMPOSE (rgbm[0], rgbm[1], rgbm[2], 1.0),
SP_RGBA32_F_COMPOSE (rgb1[0], rgb1[1], rgb1[2], 1.0));
}
if (channels != CSC_CHANNEL_CMYKA) {
/* Update alpha */
sp_color_cmyk_to_rgb_floatv (rgb0, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), getScaled(_a[3]));
sp_color_slider_set_colors (SP_COLOR_SLIDER (_s[4]),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 0.0),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 0.5),
SP_RGBA32_F_COMPOSE (rgb0[0], rgb0[1], rgb0[2], 1.0));
}
break;
default:
g_warning ("file %s: line %d: Illegal color selector mode", __FILE__, __LINE__);
break;
}
// Force the internal color to be updated
if ( !_updating )
{
_recalcColor( TRUE );
}
#ifdef SPCS_PREVIEW
rgba = sp_color_scales_get_rgba32 (cs);
sp_color_preview_set_rgba32 (SP_COLOR_PREVIEW (_p), rgba);
#endif
}
static const gchar *
sp_color_scales_hue_map (void)
{
static gchar *map = NULL;
if (!map) {
gchar *p;
gint h;
map = g_new (gchar, 4 * 1024);
p = map;
for (h = 0; h < 1024; h++) {
gfloat rgb[3];
sp_color_hsl_to_rgb_floatv (rgb, h / 1024.0, 1.0, 0.5);
*p++ = SP_COLOR_F_TO_U (rgb[0]);
*p++ = SP_COLOR_F_TO_U (rgb[1]);
*p++ = SP_COLOR_F_TO_U (rgb[2]);
*p++ = 255;
}
}
return map;
}