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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:29:01 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:29:01 +0000 |
commit | 35a96bde514a8897f6f0fcc41c5833bf63df2e2a (patch) | |
tree | 657d15a03cc46bd099fc2c6546a7a4ad43815d9f /src/ui/widget/color-scales.cpp | |
parent | Initial commit. (diff) | |
download | inkscape-35a96bde514a8897f6f0fcc41c5833bf63df2e2a.tar.xz inkscape-35a96bde514a8897f6f0fcc41c5833bf63df2e2a.zip |
Adding upstream version 1.0.2.upstream/1.0.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ui/widget/color-scales.cpp')
-rw-r--r-- | src/ui/widget/color-scales.cpp | 736 |
1 files changed, 736 insertions, 0 deletions
diff --git a/src/ui/widget/color-scales.cpp b/src/ui/widget/color-scales.cpp new file mode 100644 index 0000000..a93ab2a --- /dev/null +++ b/src/ui/widget/color-scales.cpp @@ -0,0 +1,736 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** @file + * TODO: insert short description here + *//* + * Authors: + * see git history + * bulia byak <buliabyak@users.sf.net> + * + * Copyright (C) 2018 Authors + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <gtkmm/adjustment.h> +#include <glibmm/i18n.h> + +#include "ui/dialog-events.h" +#include "ui/widget/color-scales.h" +#include "ui/widget/color-slider.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 + +#define XPAD 4 +#define YPAD 1 + +#define noDUMP_CHANGE_INFO 1 + +namespace Inkscape { +namespace UI { +namespace Widget { + + +static const gchar *sp_color_scales_hue_map(); + +const gchar *ColorScales::SUBMODE_NAMES[] = { N_("None"), N_("RGB"), N_("HSL"), N_("CMYK"), N_("HSV") }; + +ColorScales::ColorScales(SelectedColor &color, SPColorScalesMode mode) + : Gtk::Grid() + , _color(color) + , _rangeLimit(255.0) + , _updating(FALSE) + , _dragging(FALSE) + , _mode(SP_COLOR_SCALES_MODE_NONE) +{ + for (gint i = 0; i < 5; i++) { + _l[i] = nullptr; + _a[i] = nullptr; + _s[i] = nullptr; + _b[i] = nullptr; + } + + _initUI(mode); + + _color.signal_changed.connect(sigc::mem_fun(this, &ColorScales::_onColorChanged)); + _color.signal_dragged.connect(sigc::mem_fun(this, &ColorScales::_onColorChanged)); +} + +ColorScales::~ColorScales() +{ + for (gint i = 0; i < 5; i++) { + _l[i] = nullptr; + _a[i] = nullptr; + _s[i] = nullptr; + _b[i] = nullptr; + } +} + +void ColorScales::_initUI(SPColorScalesMode mode) +{ + gint i; + + _updating = FALSE; + _dragging = FALSE; + + GtkWidget *t = GTK_WIDGET(gobj()); + + /* Create components */ + for (i = 0; i < static_cast<gint>(G_N_ELEMENTS(_a)); i++) { + /* Label */ + _l[i] = gtk_label_new(""); + + gtk_widget_set_halign(_l[i], GTK_ALIGN_START); + gtk_widget_show(_l[i]); + + gtk_widget_set_margin_start(_l[i], XPAD); + gtk_widget_set_margin_end(_l[i], XPAD); + gtk_widget_set_margin_top(_l[i], YPAD); + gtk_widget_set_margin_bottom(_l[i], YPAD); + gtk_grid_attach(GTK_GRID(t), _l[i], 0, i, 1, 1); + + /* Adjustment */ + _a[i] = GTK_ADJUSTMENT(gtk_adjustment_new(0.0, 0.0, _rangeLimit, 1.0, 10.0, 10.0)); + /* Slider */ + _s[i] = Gtk::manage(new Inkscape::UI::Widget::ColorSlider(Glib::wrap(_a[i], true))); + _s[i]->show(); + + _s[i]->set_margin_start(XPAD); + _s[i]->set_margin_end(XPAD); + _s[i]->set_margin_top(YPAD); + _s[i]->set_margin_bottom(YPAD); + _s[i]->set_hexpand(true); + gtk_grid_attach(GTK_GRID(t), _s[i]->gobj(), 1, i, 1, 1); + + /* 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_widget_set_margin_start(_b[i], XPAD); + gtk_widget_set_margin_end(_b[i], XPAD); + gtk_widget_set_margin_top(_b[i], YPAD); + gtk_widget_set_margin_bottom(_b[i], YPAD); + gtk_widget_set_halign(_b[i], GTK_ALIGN_END); + gtk_widget_set_valign(_b[i], GTK_ALIGN_CENTER); + gtk_grid_attach(GTK_GRID(t), _b[i], 2, i, 1, 1); + + /* Attach channel value to adjustment */ + g_object_set_data(G_OBJECT(_a[i]), "channel", GINT_TO_POINTER(i)); + /* Signals */ + g_signal_connect(G_OBJECT(_a[i]), "value_changed", G_CALLBACK(_adjustmentAnyChanged), this); + _s[i]->signal_grabbed.connect(sigc::mem_fun(this, &ColorScales::_sliderAnyGrabbed)); + _s[i]->signal_released.connect(sigc::mem_fun(this, &ColorScales::_sliderAnyReleased)); + _s[i]->signal_value_changed.connect(sigc::mem_fun(this, &ColorScales::_sliderAnyChanged)); + } + + //Prevent 5th bar from being shown by PanelDialog::show_all_children + gtk_widget_set_no_show_all(_l[4], TRUE); + _s[4]->set_no_show_all(true); + gtk_widget_set_no_show_all(_b[4], TRUE); + + /* Initial mode is none, so it works */ + setMode(mode); +} + +void ColorScales::_recalcColor() +{ + SPColor color; + gfloat alpha = 1.0; + gfloat c[5]; + + switch (_mode) { + case SP_COLOR_SCALES_MODE_RGB: + case SP_COLOR_SCALES_MODE_HSL: + 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]; + SPColor::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; + } + + _color.preserveICC(); + _color.setColorAlpha(color, alpha); +} + +void ColorScales::_updateDisplay() +{ +#ifdef DUMP_CHANGE_INFO + g_message("ColorScales::_onColorChanged( this=%p, %f, %f, %f, %f)", this, _color.color().v.c[0], + _color.color().v.c[1], _color.color().v.c[2], _color.alpha()); +#endif + gfloat tmp[3]; + gfloat c[5] = { 0.0, 0.0, 0.0, 0.0 }; + + SPColor color = _color.color(); + + switch (_mode) { + case SP_COLOR_SCALES_MODE_RGB: + color.get_rgb_floatv(c); + c[3] = _color.alpha(); + c[4] = 0.0; + break; + case SP_COLOR_SCALES_MODE_HSL: + color.get_rgb_floatv(tmp); + SPColor::rgb_to_hsl_floatv(c, tmp[0], tmp[1], tmp[2]); + c[3] = _color.alpha(); + c[4] = 0.0; + break; + case SP_COLOR_SCALES_MODE_HSV: + color.get_rgb_floatv(tmp); + SPColor::rgb_to_hsv_floatv(c, tmp[0], tmp[1], tmp[2]); + c[3] = _color.alpha(); + c[4] = 0.0; + break; + case SP_COLOR_SCALES_MODE_CMYK: + color.get_cmyk_floatv(c); + c[4] = _color.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; +} + +/* Helpers for setting color value */ +gfloat ColorScales::getScaled(const GtkAdjustment *a) +{ + gfloat val = gtk_adjustment_get_value(const_cast<GtkAdjustment *>(a)) / + gtk_adjustment_get_upper(const_cast<GtkAdjustment *>(a)); + return val; +} + +void ColorScales::setScaled(GtkAdjustment *a, gfloat v, bool constrained) +{ + gdouble upper = gtk_adjustment_get_upper(a); + gfloat val = v * upper; + if (constrained) { + // TODO: do we want preferences for these? + if (upper == 255) { + val = round(val/16) * 16; + } else { + val = round(val/10) * 10; + } + } + gtk_adjustment_set_value(a, val); +} + +void ColorScales::_setRangeLimit(gdouble upper) +{ + _rangeLimit = upper; + for (auto & i : _a) { + gtk_adjustment_set_upper(i, upper); + } +} + +void ColorScales::_onColorChanged() +{ + if (!get_visible()) { + return; + } + _updateDisplay(); +} + +void ColorScales::on_show() +{ + Gtk::Grid::on_show(); + _updateDisplay(); +} + +void ColorScales::_getRgbaFloatv(gfloat *rgba) +{ + g_return_if_fail(rgba != nullptr); + + 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_HSL: + SPColor::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_HSV: + SPColor::hsv_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: + SPColor::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 != nullptr); + + switch (_mode) { + case SP_COLOR_SCALES_MODE_RGB: + SPColor::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_HSL: + SPColor::hsl_to_rgb_floatv(rgb, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2])); + SPColor::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_HSL) || + (_mode == SP_COLOR_SCALES_MODE_CMYK) || (_mode == SP_COLOR_SCALES_MODE_HSV)) { + _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_adjustment_set_upper(_a[3], 100.0); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[0]), _("_R:")); + _s[0]->set_tooltip_text(_("Red")); + gtk_widget_set_tooltip_text(_b[0], _("Red")); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[1]), _("_G:")); + _s[1]->set_tooltip_text(_("Green")); + gtk_widget_set_tooltip_text(_b[1], _("Green")); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[2]), _("_B:")); + _s[2]->set_tooltip_text(_("Blue")); + gtk_widget_set_tooltip_text(_b[2], _("Blue")); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[3]), _("_A:")); + _s[3]->set_tooltip_text(_("Alpha (opacity)")); + gtk_widget_set_tooltip_text(_b[3], _("Alpha (opacity)")); + _s[0]->setMap(nullptr); + gtk_widget_hide(_l[4]); + _s[4]->hide(); + 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]); + _updateSliders(CSC_CHANNELS_ALL); + _updating = FALSE; + break; + case SP_COLOR_SCALES_MODE_HSL: + _setRangeLimit(100.0); + + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[0]), _("_H:")); + _s[0]->set_tooltip_text(_("Hue")); + gtk_widget_set_tooltip_text(_b[0], _("Hue")); + gtk_adjustment_set_upper(_a[0], 360.0); + + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[1]), _("_S:")); + _s[1]->set_tooltip_text(_("Saturation")); + gtk_widget_set_tooltip_text(_b[1], _("Saturation")); + + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[2]), _("_L:")); + _s[2]->set_tooltip_text(_("Lightness")); + gtk_widget_set_tooltip_text(_b[2], _("Lightness")); + + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[3]), _("_A:")); + _s[3]->set_tooltip_text(_("Alpha (opacity)")); + gtk_widget_set_tooltip_text(_b[3], _("Alpha (opacity)")); + _s[0]->setMap((guchar *)(sp_color_scales_hue_map())); + gtk_widget_hide(_l[4]); + _s[4]->hide(); + gtk_widget_hide(_b[4]); + _updating = TRUE; + c[0] = 0.0; + + SPColor::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]); + + _updateSliders(CSC_CHANNELS_ALL); + _updating = FALSE; + break; + case SP_COLOR_SCALES_MODE_HSV: + _setRangeLimit(100.0); + + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[0]), _("_H:")); + _s[0]->set_tooltip_text(_("Hue")); + gtk_widget_set_tooltip_text(_b[0], _("Hue")); + gtk_adjustment_set_upper(_a[0], 360.0); + + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[1]), _("_S:")); + _s[1]->set_tooltip_text(_("Saturation")); + gtk_widget_set_tooltip_text(_b[1], _("Saturation")); + + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[2]), _("_V:")); + _s[2]->set_tooltip_text(_("Value")); + gtk_widget_set_tooltip_text(_b[2], _("Value")); + + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[3]), _("_A:")); + _s[3]->set_tooltip_text(_("Alpha (opacity)")); + gtk_widget_set_tooltip_text(_b[3], _("Alpha (opacity)")); + _s[0]->setMap((guchar *)(sp_color_scales_hue_map())); + gtk_widget_hide(_l[4]); + _s[4]->hide(); + gtk_widget_hide(_b[4]); + _updating = TRUE; + c[0] = 0.0; + + SPColor::rgb_to_hsv_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]); + + _updateSliders(CSC_CHANNELS_ALL); + _updating = FALSE; + break; + case SP_COLOR_SCALES_MODE_CMYK: + _setRangeLimit(100.0); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[0]), _("_C:")); + _s[0]->set_tooltip_text(_("Cyan")); + gtk_widget_set_tooltip_text(_b[0], _("Cyan")); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[1]), _("_M:")); + _s[1]->set_tooltip_text(_("Magenta")); + gtk_widget_set_tooltip_text(_b[1], _("Magenta")); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[2]), _("_Y:")); + _s[2]->set_tooltip_text(_("Yellow")); + gtk_widget_set_tooltip_text(_b[2], _("Yellow")); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[3]), _("_K:")); + _s[3]->set_tooltip_text(_("Black")); + gtk_widget_set_tooltip_text(_b[3], _("Black")); + gtk_label_set_markup_with_mnemonic(GTK_LABEL(_l[4]), _("_A:")); + _s[4]->set_tooltip_text(_("Alpha (opacity)")); + gtk_widget_set_tooltip_text(_b[4], _("Alpha (opacity)")); + _s[0]->setMap(nullptr); + gtk_widget_show(_l[4]); + _s[4]->show(); + gtk_widget_show(_b[4]); + _updating = TRUE; + + SPColor::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]); + _updateSliders(CSC_CHANNELS_ALL); + _updating = FALSE; + break; + default: + g_warning("file %s: line %d: Illegal color selector mode", __FILE__, __LINE__); + break; + } +} + +SPColorScalesMode ColorScales::getMode() const { return _mode; } + +void ColorScales::_adjustmentAnyChanged(GtkAdjustment *adjustment, ColorScales *cs) +{ + gint channel = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(adjustment), "channel")); + + _adjustmentChanged(cs, channel); +} + +void ColorScales::_sliderAnyGrabbed() +{ + if (_updating) { + return; + } + if (!_dragging) { + _dragging = TRUE; + _color.setHeld(true); + } +} + +void ColorScales::_sliderAnyReleased() +{ + if (_updating) { + return; + } + if (_dragging) { + _dragging = FALSE; + _color.setHeld(false); + } +} + +void ColorScales::_sliderAnyChanged() +{ + if (_updating) { + return; + } + _recalcColor(); +} + +void ColorScales::_adjustmentChanged(ColorScales *scales, guint channel) +{ + if (scales->_updating) { + return; + } + + scales->_updateSliders((1 << channel)); + scales->_recalcColor(); +} + +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 */ + _s[0]->setColors(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 */ + _s[1]->setColors(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 */ + _s[2]->setColors(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 */ + _s[3]->setColors(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_HSL: + /* Hue is never updated */ + if ((channels != CSC_CHANNEL_S) && (channels != CSC_CHANNEL_A)) { + /* Update saturation */ + SPColor::hsl_to_rgb_floatv(rgb0, getScaled(_a[0]), 0.0, getScaled(_a[2])); + SPColor::hsl_to_rgb_floatv(rgbm, getScaled(_a[0]), 0.5, getScaled(_a[2])); + SPColor::hsl_to_rgb_floatv(rgb1, getScaled(_a[0]), 1.0, getScaled(_a[2])); + _s[1]->setColors(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 */ + SPColor::hsl_to_rgb_floatv(rgb0, getScaled(_a[0]), getScaled(_a[1]), 0.0); + SPColor::hsl_to_rgb_floatv(rgbm, getScaled(_a[0]), getScaled(_a[1]), 0.5); + SPColor::hsl_to_rgb_floatv(rgb1, getScaled(_a[0]), getScaled(_a[1]), 1.0); + _s[2]->setColors(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 */ + SPColor::hsl_to_rgb_floatv(rgb0, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2])); + _s[3]->setColors(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_HSV: + /* Hue is never updated */ + if ((channels != CSC_CHANNEL_S) && (channels != CSC_CHANNEL_A)) { + /* Update saturation */ + SPColor::hsv_to_rgb_floatv(rgb0, getScaled(_a[0]), 0.0, getScaled(_a[2])); + SPColor::hsv_to_rgb_floatv(rgbm, getScaled(_a[0]), 0.5, getScaled(_a[2])); + SPColor::hsv_to_rgb_floatv(rgb1, getScaled(_a[0]), 1.0, getScaled(_a[2])); + _s[1]->setColors(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 */ + SPColor::hsv_to_rgb_floatv(rgb0, getScaled(_a[0]), getScaled(_a[1]), 0.0); + SPColor::hsv_to_rgb_floatv(rgbm, getScaled(_a[0]), getScaled(_a[1]), 0.5); + SPColor::hsv_to_rgb_floatv(rgb1, getScaled(_a[0]), getScaled(_a[1]), 1.0); + _s[2]->setColors(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 */ + SPColor::hsv_to_rgb_floatv(rgb0, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2])); + _s[3]->setColors(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 */ + SPColor::cmyk_to_rgb_floatv(rgb0, 0.0, getScaled(_a[1]), getScaled(_a[2]), getScaled(_a[3])); + SPColor::cmyk_to_rgb_floatv(rgbm, 0.5, getScaled(_a[1]), getScaled(_a[2]), getScaled(_a[3])); + SPColor::cmyk_to_rgb_floatv(rgb1, 1.0, getScaled(_a[1]), getScaled(_a[2]), getScaled(_a[3])); + _s[0]->setColors(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 */ + SPColor::cmyk_to_rgb_floatv(rgb0, getScaled(_a[0]), 0.0, getScaled(_a[2]), getScaled(_a[3])); + SPColor::cmyk_to_rgb_floatv(rgbm, getScaled(_a[0]), 0.5, getScaled(_a[2]), getScaled(_a[3])); + SPColor::cmyk_to_rgb_floatv(rgb1, getScaled(_a[0]), 1.0, getScaled(_a[2]), getScaled(_a[3])); + _s[1]->setColors(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 */ + SPColor::cmyk_to_rgb_floatv(rgb0, getScaled(_a[0]), getScaled(_a[1]), 0.0, getScaled(_a[3])); + SPColor::cmyk_to_rgb_floatv(rgbm, getScaled(_a[0]), getScaled(_a[1]), 0.5, getScaled(_a[3])); + SPColor::cmyk_to_rgb_floatv(rgb1, getScaled(_a[0]), getScaled(_a[1]), 1.0, getScaled(_a[3])); + _s[2]->setColors(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 */ + SPColor::cmyk_to_rgb_floatv(rgb0, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 0.0); + SPColor::cmyk_to_rgb_floatv(rgbm, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 0.5); + SPColor::cmyk_to_rgb_floatv(rgb1, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), 1.0); + _s[3]->setColors(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 */ + SPColor::cmyk_to_rgb_floatv(rgb0, getScaled(_a[0]), getScaled(_a[1]), getScaled(_a[2]), + getScaled(_a[3])); + _s[4]->setColors(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; + } + +#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() +{ + static gchar *map = nullptr; + + if (!map) { + gchar *p; + gint h; + map = g_new(gchar, 4 * 1024); + p = map; + for (h = 0; h < 1024; h++) { + gfloat rgb[3]; + SPColor::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++ = 0xFF; + } + } + + return map; +} + +ColorScalesFactory::ColorScalesFactory(SPColorScalesMode submode) + : _submode(submode) +{ +} + +ColorScalesFactory::~ColorScalesFactory() = default; + +Gtk::Widget *ColorScalesFactory::createWidget(Inkscape::UI::SelectedColor &color) const +{ + Gtk::Widget *w = Gtk::manage(new ColorScales(color, _submode)); + return w; +} + +Glib::ustring ColorScalesFactory::modeName() const { + return gettext(ColorScales::SUBMODE_NAMES[_submode]); +} + +} +} +} |