/* The GIMP -- an image manipulation program * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis * * GIMP Plug-in for Windows Icon files. * Copyright (C) 2002 Christian Kreibich . * * 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 #include #undef GTK_DISABLE_DEPRECATED #include #define GTK_DISABLE_DEPRECATED #include #include #define ICO_DBG #include "icodialog.h" #include "main.h" #include "libgimp/stdplugins-intl.h" static GtkWidget *ico_preview_new (gint32 layer); static void ico_fill_preview_with_thumb (GtkWidget *widget, gint32 drawable_ID); static void on_1bpp_menu_selected (GtkWidget *item, GtkWidget *icon_hbox); static void on_4bpp_menu_selected (GtkWidget *item, GtkWidget *icon_hbox); static void on_8bpp_menu_selected (GtkWidget *item, GtkWidget *icon_hbox); static void on_32bpp_menu_selected (GtkWidget *item, GtkWidget *icon_hbox); static GtkWidget * ico_preview_new(gint32 layer) { GtkWidget *icon_preview; icon_preview = gtk_preview_new (GTK_PREVIEW_COLOR); ico_fill_preview_with_thumb (icon_preview, layer); return icon_preview; } static void ico_fill_preview_with_thumb (GtkWidget *widget, gint32 drawable_ID) { guchar *drawable_data; gint bpp; gint x,y; gint width; gint height; guchar *src; gdouble r, g, b, a; gdouble c0, c1; guchar *p0, *p1; guchar *even, *odd; width = gimp_drawable_width (drawable_ID); height = gimp_drawable_height (drawable_ID); bpp = 0; /* Only returned */ if (width > 128) width = 128; if (height > 128) height = 128; drawable_data = gimp_drawable_get_thumbnail_data (drawable_ID, &width, &height, &bpp); if (width < 1 || height < 1) return; gtk_preview_size (GTK_PREVIEW (widget), width, height); even = g_malloc (width * 3); odd = g_malloc (width * 3); src = drawable_data; for (y = 0; y < height; y++) { p0 = even; p1 = odd; for (x = 0; x < width; x++) { if (bpp == 4) { r = ((gdouble) src[x*4 + 0]) / 255.0; g = ((gdouble) src[x*4 + 1]) / 255.0; b = ((gdouble) src[x*4 + 2]) / 255.0; a = ((gdouble) src[x*4 + 3]) / 255.0; } else if (bpp == 3) { r = ((gdouble) src[x*3 + 0]) / 255.0; g = ((gdouble) src[x*3 + 1]) / 255.0; b = ((gdouble) src[x*3 + 2]) / 255.0; a = 1.0; } else { r = ((gdouble) src[x*bpp + 0]) / 255.0; g = b = r; if (bpp == 2) a = ((gdouble) src[x*2 + 1]) / 255.0; else a = 1.0; } if ((x / GIMP_CHECK_SIZE_SM) & 1) { c0 = GIMP_CHECK_LIGHT; c1 = GIMP_CHECK_DARK; } else { c0 = GIMP_CHECK_DARK; c1 = GIMP_CHECK_LIGHT; } *p0++ = (c0 + (r - c0) * a) * 255.0; *p0++ = (c0 + (g - c0) * a) * 255.0; *p0++ = (c0 + (b - c0) * a) * 255.0; *p1++ = (c1 + (r - c1) * a) * 255.0; *p1++ = (c1 + (g - c1) * a) * 255.0; *p1++ = (c1 + (b - c1) * a) * 255.0; } if ((y / GIMP_CHECK_SIZE_SM) & 1) gtk_preview_draw_row (GTK_PREVIEW (widget), odd, 0, y, width); else gtk_preview_draw_row (GTK_PREVIEW (widget), even, 0, y, width); src += width * bpp; } g_free (even); g_free (odd); g_free (drawable_data); } /* This function creates and returns an hbox for an icon, which then gets added to the dialog's main vbox. */ static GtkWidget* ico_create_icon_hbox (GtkWidget *icon_preview, gint32 layer, gint layer_num) { GtkWidget *hbox; GtkWidget *optionmenu; GtkWidget *optionmenu_menu; GtkWidget *menuitem; hbox = gtk_hbox_new (FALSE, 0); /* To make life easier for the callbacks, we store the layer's ID and stacking number with the hbox. */ g_object_set_data (G_OBJECT (hbox), "icon_layer", GINT_TO_POINTER (layer)); g_object_set_data (G_OBJECT (hbox), "icon_layer_num", GINT_TO_POINTER (layer_num)); g_object_set_data (G_OBJECT (hbox), "icon_preview", icon_preview); gtk_widget_show (icon_preview); gtk_box_pack_start (GTK_BOX (hbox), icon_preview, TRUE, TRUE, 0); optionmenu = gtk_option_menu_new (); g_object_set_data (G_OBJECT (hbox), "icon_optionmenu", optionmenu); gtk_widget_show (optionmenu); gtk_box_pack_start (GTK_BOX (hbox), optionmenu, FALSE, FALSE, 0); optionmenu_menu = gtk_menu_new (); menuitem = gtk_menu_item_new_with_label (_("1 bpp, 1-bit alpha, 2-slot palette")); g_signal_connect (menuitem, "activate", G_CALLBACK (on_1bpp_menu_selected), hbox); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (optionmenu_menu), menuitem); menuitem = gtk_menu_item_new_with_label (_("4 bpp, 1-bit alpha, 16-slot palette")); g_signal_connect (menuitem, "activate", G_CALLBACK (on_4bpp_menu_selected), hbox); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (optionmenu_menu), menuitem); menuitem = gtk_menu_item_new_with_label (_("8 bpp, 1-bit alpha, 256-slot palette")); g_signal_connect (menuitem, "activate", G_CALLBACK (on_8bpp_menu_selected), hbox); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (optionmenu_menu), menuitem); menuitem = gtk_menu_item_new_with_label (_("32 bpp, 8-bit alpha, no palette")); g_signal_connect (menuitem, "activate", G_CALLBACK (on_32bpp_menu_selected), hbox); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (optionmenu_menu), menuitem); gtk_option_menu_set_menu (GTK_OPTION_MENU (optionmenu), optionmenu_menu); gtk_option_menu_set_history (GTK_OPTION_MENU (optionmenu), 3); return hbox; } GtkWidget* ico_specs_dialog_new (gint num_layers) { GtkWidget *dialog; GtkWidget *vbox; GtkWidget *frame; GtkWidget *scrolledwindow; GtkWidget *viewport; gint *icon_depths, i; dialog = gimp_dialog_new (_("GIMP Windows Icon Plugin"), "winicon", NULL, 0, gimp_standard_help_func, "plug-in-winicon", GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL); /* We store an array that holds each icon's requested bit depth with the dialog. It's queried when the dialog is closed so the save routine knows what colormaps etc to generate in the saved file. We store twice the number necessary because in the second set, the color depths that are automatically suggested are stored for later comparison. */ icon_depths = g_new (gint, 2 * num_layers); for (i = 0; i < 2 * num_layers; i++) icon_depths[i] = 32; g_object_set_data (G_OBJECT (dialog), "icon_depths", icon_depths); vbox = GTK_DIALOG (dialog)->vbox; frame = gtk_frame_new (_("Icon details")); gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0); gtk_container_set_border_width (GTK_CONTAINER (frame), 5); gtk_widget_show (frame); scrolledwindow = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_container_set_border_width (GTK_CONTAINER (scrolledwindow), 5); gtk_container_add (GTK_CONTAINER (frame), scrolledwindow); gtk_widget_show (scrolledwindow); viewport = gtk_viewport_new (NULL, NULL); gtk_container_add (GTK_CONTAINER (scrolledwindow), viewport); gtk_widget_show (viewport); vbox = gtk_vbox_new (TRUE, 0); g_object_set_data (G_OBJECT (dialog), "icons_vbox", vbox); gtk_container_add (GTK_CONTAINER (viewport), vbox); gtk_widget_show (vbox); return dialog; } static GtkWidget * ico_specs_dialog_get_layer_preview (GtkWidget *dialog, gint32 layer) { GtkWidget *preview; GtkWidget *icon_hbox; gchar key[MAXLEN]; g_snprintf (key, MAXLEN, "layer_%i_hbox", layer); icon_hbox = g_object_get_data (G_OBJECT (dialog), key); if (!icon_hbox) { D(("Something's wrong -- couldn't look up hbox by layer ID\n")); return NULL; } preview = g_object_get_data (G_OBJECT (icon_hbox), "icon_preview"); if (!icon_hbox) { D(("Something's wrong -- couldn't look up preview from hbox\n")); return NULL; } return preview; } void ico_specs_dialog_add_icon (GtkWidget *dialog, gint32 layer, gint layer_num) { GtkWidget *vbox; GtkWidget *hbox; GtkWidget *preview; gchar key[MAXLEN]; vbox = g_object_get_data (G_OBJECT (dialog), "icons_vbox"); preview = ico_preview_new (layer); hbox = ico_create_icon_hbox (preview, layer, layer_num); gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 2); gtk_widget_show (hbox); /* Let's make the hbox accessible through the layer ID */ g_snprintf (key, MAXLEN, "layer_%i_hbox", layer); g_object_set_data (G_OBJECT (dialog), key, hbox); } void ico_specs_dialog_update_icon_preview (GtkWidget *dialog, gint32 layer, gint bpp) { GtkWidget *preview; GimpPixelRgn src_pixel_rgn, dst_pixel_rgn; gint32 tmp_image; gint32 tmp_layer; gint w, h; guchar *buffer; gboolean result; tmp_image = gimp_image_new (gimp_drawable_width (layer), gimp_drawable_height (layer), GIMP_RGB); w = gimp_drawable_width (layer); h = gimp_drawable_height (layer); tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h, GIMP_RGBA_IMAGE, 100, GIMP_NORMAL_MODE); gimp_image_add_layer (tmp_image, tmp_layer, 0); gimp_pixel_rgn_init (&src_pixel_rgn, gimp_drawable_get (layer), 0, 0, w, h, TRUE, FALSE); gimp_pixel_rgn_init (&dst_pixel_rgn, gimp_drawable_get (tmp_layer), 0, 0, w, h, TRUE, FALSE); buffer = g_malloc (w * h * 4); gimp_pixel_rgn_get_rect (&src_pixel_rgn, buffer, 0, 0, w, h); gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h); if (bpp < 32) { result = gimp_image_convert_indexed (tmp_image, GIMP_FS_DITHER, GIMP_MAKE_PALETTE, 1 << bpp, TRUE, FALSE, "dummy"); } preview = ico_specs_dialog_get_layer_preview (dialog, layer); ico_fill_preview_with_thumb (preview, tmp_layer); gtk_widget_queue_draw (preview); gimp_image_delete (tmp_image); g_free (buffer); } /* meta-callback for color depth changes in an icon */ static void on_bpp_change (GtkWidget *icon_hbox, gint bpp) { GtkWidget *dialog; gint32 layer; gint layer_num; gint *icon_depths; dialog = gtk_widget_get_toplevel (icon_hbox); layer = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (icon_hbox), "icon_layer")); layer_num = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (icon_hbox), "icon_layer_num")); icon_depths = g_object_get_data (G_OBJECT (dialog), "icon_depths"); if (! icon_depths) { D(("Something's wrong -- can't get icon_depths array from dialog ...\n")); return; } /* Update vector entry for later when we're actually saving, and update the preview right away ... */ icon_depths[layer_num] = bpp; ico_specs_dialog_update_icon_preview (dialog, layer, bpp); } static void on_1bpp_menu_selected (GtkWidget *item, GtkWidget *icon_hbox) { on_bpp_change (icon_hbox, 1); item = NULL; } static void on_4bpp_menu_selected (GtkWidget *item, GtkWidget *icon_hbox) { on_bpp_change (icon_hbox, 4); item = NULL; } static void on_8bpp_menu_selected (GtkWidget *item, GtkWidget *icon_hbox) { on_bpp_change (icon_hbox, 8); item = NULL; } static void on_32bpp_menu_selected (GtkWidget *item, GtkWidget *icon_hbox) { on_bpp_change (icon_hbox, 32); item = NULL; }