/* GIMP CMYK ColorSelector * Copyright (C) 2003 Sven Neumann * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "config.h" #include #include "libgimpcolor/gimpcolor.h" #include "libgimpmodule/gimpmodule.h" #include "libgimpwidgets/gimpwidgets.h" #include "libgimp/libgimp-intl.h" /* definitions and variables */ #define COLORSEL_TYPE_CMYK (colorsel_cmyk_get_type ()) #define COLORSEL_CMYK(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COLORSEL_TYPE_CMYK, ColorselCmyk)) #define COLORSEL_CMYK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), COLORSEL_TYPE_CMYK, ColorselCmykClass)) #define COLORSEL_IS_CMYK(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), COLORSEL_TYPE_CMYK)) #define COLORSEL_IS_CMYK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), COLORSEL_TYPE_CMYK)) typedef struct _ColorselCmyk ColorselCmyk; typedef struct _ColorselCmykClass ColorselCmykClass; struct _ColorselCmyk { GimpColorSelector parent_instance; GimpCMYK cmyk; gdouble pullout; GtkAdjustment *adj[5]; }; struct _ColorselCmykClass { GimpColorSelectorClass parent_class; }; GType colorsel_cmyk_get_type (void); static void colorsel_cmyk_set_color (GimpColorSelector *selector, const GimpRGB *rgb, const GimpHSV *hsv); static void colorsel_cmyk_adj_update (GtkAdjustment *adj, ColorselCmyk *module); static void colorsel_cmyk_pullout_update (GtkAdjustment *adj, ColorselCmyk *module); static const GimpModuleInfo colorsel_cmyk_info = { GIMP_MODULE_ABI_VERSION, N_("CMYK color selector"), "Sven Neumann ", "v0.2", "(c) 2003, released under the GPL", "July 2003" }; G_DEFINE_DYNAMIC_TYPE (ColorselCmyk, colorsel_cmyk, GIMP_TYPE_COLOR_SELECTOR) G_MODULE_EXPORT const GimpModuleInfo * gimp_module_query (GTypeModule *module) { return &colorsel_cmyk_info; } G_MODULE_EXPORT gboolean gimp_module_register (GTypeModule *module) { colorsel_cmyk_register_type (module); return TRUE; } static void colorsel_cmyk_class_init (ColorselCmykClass *klass) { GimpColorSelectorClass *selector_class = GIMP_COLOR_SELECTOR_CLASS (klass); selector_class->name = _("CMYK"); selector_class->help_id = "gimp-colorselector-cmyk"; selector_class->stock_id = GTK_STOCK_PRINT; /* FIXME */ selector_class->set_color = colorsel_cmyk_set_color; } static void colorsel_cmyk_class_finalize (ColorselCmykClass *klass) { } static void colorsel_cmyk_init (ColorselCmyk *module) { GtkWidget *table; GtkWidget *label; GtkWidget *spinbutton; GtkObject *adj; gint i; static const gchar * const cmyk_labels[] = { /* Cyan */ N_("_C"), /* Magenta */ N_("_M"), /* Yellow */ N_("_Y"), /* Key (Black) */ N_("_K") }; static const gchar * const cmyk_tips[] = { N_("Cyan"), N_("Magenta"), N_("Yellow"), N_("Black") }; module->pullout = 1.0; table = gtk_table_new (5, 4, FALSE); gtk_table_set_row_spacings (GTK_TABLE (table), 1); gtk_table_set_col_spacings (GTK_TABLE (table), 2); gtk_table_set_col_spacing (GTK_TABLE (table), 0, 0); gtk_table_set_row_spacing (GTK_TABLE (table), 3, 4); gtk_box_pack_start (GTK_BOX (module), table, TRUE, TRUE, 0); for (i = 0; i < 4; i++) { adj = gimp_scale_entry_new (GTK_TABLE (table), 1, i, gettext (cmyk_labels[i]), -1, -1, 0.0, 0.0, 100.0, 1.0, 10.0, 0, TRUE, 0.0, 0.0, gettext (cmyk_tips[i]), NULL); g_signal_connect (adj, "value-changed", G_CALLBACK (colorsel_cmyk_adj_update), module); module->adj[i] = GTK_ADJUSTMENT (adj); } label = gtk_label_new_with_mnemonic (_("Black _pullout:")); gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5); gtk_table_attach (GTK_TABLE (table), label, 1, 3, i, i + 1, GTK_FILL, GTK_FILL, 0, 0); gtk_widget_show (label); spinbutton = gimp_spin_button_new (&adj, module->pullout * 100.0, 0.0, 100.0, 1.0, 10.0, 0.0, 1.0, 0); gtk_table_attach (GTK_TABLE (table), spinbutton, 3, 4, i, i + 1, GTK_SHRINK, GTK_SHRINK, 0, 0); gtk_widget_show (spinbutton); gimp_help_set_help_data (spinbutton, _("The percentage of black to pull out " "of the colored inks."), NULL); gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinbutton); g_signal_connect (adj, "value-changed", G_CALLBACK (colorsel_cmyk_pullout_update), module); module->adj[i] = GTK_ADJUSTMENT (adj); gtk_widget_show (table); } static void colorsel_cmyk_set_color (GimpColorSelector *selector, const GimpRGB *rgb, const GimpHSV *hsv) { ColorselCmyk *module = COLORSEL_CMYK (selector); gimp_rgb_to_cmyk (rgb, module->pullout, &module->cmyk); gtk_adjustment_set_value (module->adj[0], module->cmyk.c * 100.0); gtk_adjustment_set_value (module->adj[1], module->cmyk.m * 100.0); gtk_adjustment_set_value (module->adj[2], module->cmyk.y * 100.0); gtk_adjustment_set_value (module->adj[3], module->cmyk.k * 100.0); } static void colorsel_cmyk_adj_update (GtkAdjustment *adj, ColorselCmyk *module) { GimpColorSelector *selector = GIMP_COLOR_SELECTOR (module); gdouble value; gint i; for (i = 0; i < 4; i++) if (module->adj[i] == adj) break; value = gtk_adjustment_get_value (adj); switch (i) { case 0: module->cmyk.c = value / 100.0; break; case 1: module->cmyk.m = value / 100.0; break; case 2: module->cmyk.y = value / 100.0; break; case 3: module->cmyk.k = value / 100.0; break; default: return; } gimp_cmyk_to_rgb (&module->cmyk, &selector->rgb); gimp_rgb_to_hsv (&selector->rgb, &selector->hsv); gimp_color_selector_color_changed (selector); } static void colorsel_cmyk_pullout_update (GtkAdjustment *adj, ColorselCmyk *module) { GimpColorSelector *selector = GIMP_COLOR_SELECTOR (module); module->pullout = gtk_adjustment_get_value (adj) / 100.0; gimp_color_selector_set_color (selector, &selector->rgb, &selector->hsv); }