/* The GIMP -- an image manipulation program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "config.h" #include #include #include "libgimpwidgets/gimpwidgets.h" #include "gui-types.h" #include "core/gimpgradient.h" #include "core/gimpcontext.h" #include "widgets/gimpcontainerview.h" #include "widgets/gimpdatafactoryview.h" #include "widgets/gimpitemfactory.h" #include "widgets/gimpwidgets-utils.h" #include "gradients-commands.h" #include "libgimp/gimpintl.h" /* local function prototypes */ static void gradients_save_as_pov_query (GimpContainerEditor *editor); static void gradients_save_as_pov_ok_callback (GtkWidget *widget, GimpGradient *gradient); /* public functions */ void gradients_save_as_pov_ray_cmd_callback (GtkWidget *widget, gpointer data) { GimpContainerEditor *editor; editor = (GimpContainerEditor *) gimp_widget_get_callback_context (widget); if (! editor) return; gradients_save_as_pov_query (editor); } void gradients_menu_update (GtkItemFactory *factory, gpointer data) { GimpContainerEditor *editor; GimpGradient *gradient; gboolean internal = FALSE; editor = GIMP_CONTAINER_EDITOR (data); gradient = gimp_context_get_gradient (editor->view->context); if (gradient) internal = GIMP_DATA (gradient)->internal; #define SET_SENSITIVE(menu,condition) \ gimp_item_factory_set_sensitive (factory, menu, (condition) != 0) SET_SENSITIVE ("/Duplicate Gradient", gradient && GIMP_DATA_GET_CLASS (gradient)->duplicate); SET_SENSITIVE ("/Edit Gradient...", gradient && GIMP_DATA_FACTORY_VIEW (editor)->data_edit_func); SET_SENSITIVE ("/Delete Gradient...", gradient && ! internal); SET_SENSITIVE ("/Save as POV-Ray...", gradient); #undef SET_SENSITIVE } /* private functions */ static void gradients_save_as_pov_query (GimpContainerEditor *editor) { GimpGradient *gradient; GtkFileSelection *filesel; gchar *title; gradient = gimp_context_get_gradient (editor->view->context); if (! gradient) return; title = g_strdup_printf (_("Save \"%s\" as POV-Ray"), GIMP_OBJECT (gradient)->name); filesel = GTK_FILE_SELECTION (gtk_file_selection_new (title)); g_free (title); gtk_window_set_wmclass (GTK_WINDOW (filesel), "save_gradient", "Gimp"); gtk_window_set_position (GTK_WINDOW (filesel), GTK_WIN_POS_MOUSE); gtk_container_set_border_width (GTK_CONTAINER (filesel), 2); gtk_container_set_border_width (GTK_CONTAINER (filesel->button_area), 2); g_signal_connect (G_OBJECT (filesel->ok_button), "clicked", G_CALLBACK (gradients_save_as_pov_ok_callback), gradient); g_signal_connect_swapped (G_OBJECT (filesel->cancel_button), "clicked", G_CALLBACK (gtk_widget_destroy), filesel); g_signal_connect_swapped (G_OBJECT (filesel), "delete_event", G_CALLBACK (gtk_widget_destroy), filesel); g_object_ref (G_OBJECT (gradient)); g_signal_connect_object (G_OBJECT (filesel), "destroy", G_CALLBACK (g_object_unref), G_OBJECT (gradient), G_CONNECT_SWAPPED); /* Connect the "F1" help key */ gimp_help_connect (GTK_WIDGET (filesel), gimp_standard_help_func, "dialogs/save_as_povray.html"); gtk_widget_show (GTK_WIDGET (filesel)); } static void gradients_save_as_pov_ok_callback (GtkWidget *widget, GimpGradient *gradient) { GtkFileSelection *filesel; const gchar *filename; FILE *file; GimpGradientSegment *seg; gchar buf[3][G_ASCII_DTOSTR_BUF_SIZE]; filesel = GTK_FILE_SELECTION (gtk_widget_get_toplevel (widget)); filename = gtk_file_selection_get_filename (filesel); file = fopen (filename, "wb"); if (!file) { g_message ("Could not open \"%s\"", filename); } else { fprintf (file, "/* color_map file created by the GIMP */\n"); fprintf (file, "/* http://www.gimp.org/ */\n"); fprintf (file, "color_map {\n"); for (seg = gradient->segments; seg; seg = seg->next) { /* Left */ g_ascii_formatd (buf[0], G_ASCII_DTOSTR_BUF_SIZE, "%f", seg->left_color.r); g_ascii_formatd (buf[1], G_ASCII_DTOSTR_BUF_SIZE, "%f", seg->left_color.g); g_ascii_formatd (buf[2], G_ASCII_DTOSTR_BUF_SIZE, "%f", seg->left_color.b); g_ascii_formatd (buf[3], G_ASCII_DTOSTR_BUF_SIZE, "%f", 1.0 - seg->left_color.a); fprintf (file, "\t[%f color rgbt <%s, %s, %s, %s>]\n", seg->left, buf[0], buf[1], buf[2], buf[3]); /* Middle */ g_ascii_formatd (buf[0], G_ASCII_DTOSTR_BUF_SIZE, "%f", (seg->left_color.r + seg->right_color.r) / 2.0); g_ascii_formatd (buf[1], G_ASCII_DTOSTR_BUF_SIZE, "%f", (seg->left_color.g + seg->right_color.g) / 2.0); g_ascii_formatd (buf[2], G_ASCII_DTOSTR_BUF_SIZE, "%f", (seg->left_color.b + seg->right_color.b) / 2.0); g_ascii_formatd (buf[3], G_ASCII_DTOSTR_BUF_SIZE, "%f", 1.0 - (seg->left_color.a + seg->right_color.a) / 2.0); fprintf (file, "\t[%f color rgbt <%s, %s, %s, %s>]\n", seg->middle, buf[0], buf[1], buf[2], buf[3]); /* Right */ g_ascii_formatd (buf[0], G_ASCII_DTOSTR_BUF_SIZE, "%f", seg->right_color.r); g_ascii_formatd (buf[1], G_ASCII_DTOSTR_BUF_SIZE, "%f", seg->right_color.g); g_ascii_formatd (buf[2], G_ASCII_DTOSTR_BUF_SIZE, "%f", seg->right_color.b); g_ascii_formatd (buf[3], G_ASCII_DTOSTR_BUF_SIZE, "%f", 1.0 - seg->right_color.a); fprintf (file, "\t[%f color rgbt <%s, %s, %s, %s>]\n", seg->right, buf[0], buf[1], buf[2], buf[3]); } fprintf (file, "} /* color_map */\n"); fclose (file); } gtk_widget_destroy (GTK_WIDGET (filesel)); }