/* 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 #include #include #include "libgimpcolor/gimpcolor.h" #include "libgimpmath/gimpmath.h" #include "libgimpwidgets/gimpwidgets.h" #include "apptypes.h" #include "color_notebook.h" #include "image_render.h" #include "dialog_handler.h" #include "colormap_dialog.h" #include "colormaps.h" #include "color_area.h" #include "gdisplay.h" #include "gimpcontainer.h" #include "gimpdnd.h" #include "gimpimage.h" #include "libgimp/gimpintl.h" /* Add these features: * * load/save colormaps * requantize * add color--by clicking in the checked region * all changes need to flush colormap lookup cache */ enum { SELECTED, LAST_SIGNAL }; static void gimp_colormap_dialog_class_init (GimpColormapDialogClass *klass); static void gimp_colormap_dialog_init (GimpColormapDialog *colormap_dialog); static void ipal_create_popup_menu (GimpColormapDialog *ipal); /* indexed palette routines */ static void ipal_draw (GimpColormapDialog *ipal); static void ipal_clear (GimpColormapDialog *ipal); static void ipal_set_image (GimpColormapDialog *ipal, GimpImage *gimage); static void ipal_update_entries (GimpColormapDialog *ipal); static void ipal_set_index (GimpColormapDialog *ipal, gint i); static void ipal_draw_cell (GimpColormapDialog *ipal, gint col); static void ipal_update_image_list (GimpColormapDialog *ipal); /* indexed palette menu callbacks */ static void ipal_add_callback (GtkWidget *widget, gpointer data); static void ipal_edit_callback (GtkWidget *widget, gpointer data); static void ipal_close_callback (GtkWidget *widget, gpointer data); static void ipal_select_callback (ColorNotebook *color_notebook, const GimpRGB *color, ColorNotebookState state, gpointer data); /* event callback */ static gint ipal_area_events (GtkWidget *widget, GdkEvent *event, GimpColormapDialog *ipal); /* create image menu */ static void image_menu_callback (GtkWidget *widget, gpointer data); static GtkWidget * create_image_menu (GimpColormapDialog *ipal, GimpImage **image, gint *, GtkSignalFunc ); static void frame_size_alloc_cb (GtkFrame *frame, GtkAllocation *alloc, GimpColormapDialog *ipal); static void window_size_req_cb (GtkWindow *win, GtkRequisition *req, GimpColormapDialog *ipal); static void index_adjustment_change_cb (GtkAdjustment *adjustment, GimpColormapDialog *ipal); static void hex_entry_change_cb (GtkEntry *entry, GimpColormapDialog *ipal); static void container_addrem_cb (GimpContainer *container, GimpImage *image, GimpColormapDialog *ipal); static void image_rename_cb (GimpImage *img, GimpColormapDialog *ipal); static void image_cmap_change_cb (GimpImage *img, gint ncol, GimpColormapDialog *ipal); static void palette_drag_color (GtkWidget *widget, GimpRGB *color, gpointer data); static void palette_drop_color (GtkWidget *widget, const GimpRGB *color, gpointer data); static guint gimp_colormap_dialog_signals[LAST_SIGNAL] = { 0 }; static GtkDialogClass *parent_class = NULL; /* dnd stuff */ static GtkTargetEntry color_palette_target_table[] = { GIMP_TARGET_COLOR }; static guint n_color_palette_targets = (sizeof (color_palette_target_table) / sizeof (color_palette_target_table[0])); GtkType gimp_colormap_dialog_get_type (void) { GtkType gimp_colormap_dialog_type = 0; if (! gimp_colormap_dialog_type) { static GtkTypeInfo info = { "GimpColormapDialog", sizeof (GimpColormapDialog), sizeof (GimpColormapDialogClass), (GtkClassInitFunc) gimp_colormap_dialog_class_init, (GtkObjectInitFunc) gimp_colormap_dialog_init, NULL, NULL, NULL, }; gimp_colormap_dialog_type = gtk_type_unique (GTK_TYPE_DIALOG, &info); } return gimp_colormap_dialog_type; } static void gimp_colormap_dialog_class_init (GimpColormapDialogClass* klass) { GtkObjectClass *object_class; object_class = (GtkObjectClass*) klass; parent_class = gtk_type_class (GTK_TYPE_DIALOG); gimp_colormap_dialog_signals[SELECTED] = gtk_signal_new ("selected", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GimpColormapDialogClass, selected), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); gtk_object_class_add_signals (object_class, gimp_colormap_dialog_signals, LAST_SIGNAL); klass->selected = NULL; } static void gimp_colormap_dialog_init (GimpColormapDialog *colormap_dialog) { colormap_dialog->image = NULL; colormap_dialog->col_index = 0; colormap_dialog->dnd_col_index = 0; colormap_dialog->vbox = NULL; colormap_dialog->palette = NULL; colormap_dialog->image_menu = NULL; colormap_dialog->popup_menu = NULL; colormap_dialog->option_menu = NULL; colormap_dialog->context = NULL; colormap_dialog->event_handler = 0; colormap_dialog->xn = 0; colormap_dialog->yn = 0; colormap_dialog->cellsize = 0; colormap_dialog->index_spinbutton = NULL; colormap_dialog->index_adjustment = NULL; colormap_dialog->color_entry = NULL; colormap_dialog->rename_handler_id = 0; colormap_dialog->cmap_changed_handler_id = 0; colormap_dialog->add_item = NULL; colormap_dialog->color_notebook = NULL; } GimpColormapDialog * gimp_colormap_dialog_create (GimpContainer *context) { GimpColormapDialog *ipal; GtkWidget *vbox; GtkWidget *frame; GtkWidget *util_box; GtkWidget *label; GtkWidget *hbox; GtkWidget *hbox2; GtkWidget *entry; GtkWidget *evbox; GtkAccelGroup *accel_group; g_return_val_if_fail (context != NULL, NULL); g_return_val_if_fail (GIMP_IS_CONTAINER (context), NULL); ipal = gtk_type_new (GIMP_TYPE_COLORMAP_DIALOG); /* The action area */ gimp_dialog_create_action_area (GTK_DIALOG (ipal), _("Close"), ipal_close_callback, ipal, NULL, NULL, TRUE, TRUE, NULL); ipal->image = NULL; ipal->context = context; ipal->cmap_changed_handler_id = gimp_container_add_handler (context, "colormap_changed", image_cmap_change_cb, ipal); ipal->rename_handler_id = gimp_container_add_handler (context, "name_changed", image_rename_cb, ipal); accel_group = gtk_accel_group_new (); gtk_window_set_wmclass (GTK_WINDOW (ipal), "indexed_color_palette", "Gimp"); dialog_register (GTK_WIDGET (ipal)); gtk_window_set_policy (GTK_WINDOW (ipal), TRUE, TRUE, TRUE); gtk_window_set_title (GTK_WINDOW (ipal), _("Indexed Color Palette")); gtk_window_add_accel_group (GTK_WINDOW (ipal), accel_group); gtk_signal_connect (GTK_OBJECT (ipal), "delete_event", GTK_SIGNAL_FUNC (gtk_widget_hide_on_delete), NULL); ipal->vbox = vbox = gtk_vbox_new (FALSE, 2); gtk_container_set_border_width (GTK_CONTAINER (vbox), 2); gtk_container_add (GTK_CONTAINER (GTK_DIALOG (ipal)->vbox), vbox); /* The hbox to hold the command menu and image option menu box */ util_box = gtk_hbox_new (FALSE, 4); gtk_box_pack_start (GTK_BOX (vbox), util_box, FALSE, FALSE, 0); /* The GIMP image option menu */ label = gtk_label_new (_("Image:")); gtk_box_pack_start (GTK_BOX (util_box), label, FALSE, FALSE, 0); ipal->option_menu = GTK_OPTION_MENU (gtk_option_menu_new ()); gtk_box_pack_start (GTK_BOX (util_box), GTK_WIDGET (ipal->option_menu), TRUE, TRUE, 0); hbox2 = gtk_hbox_new (TRUE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox2, TRUE, TRUE, 0); ipal_create_popup_menu (ipal); /* The palette frame */ evbox = gtk_event_box_new (); gtk_container_set_resize_mode (GTK_CONTAINER (evbox), GTK_RESIZE_QUEUE); gtk_widget_set_usize (GTK_WIDGET (evbox), -1, 60); gtk_signal_connect (GTK_OBJECT (evbox), "size_request", GTK_SIGNAL_FUNC (window_size_req_cb), ipal); gtk_signal_connect(GTK_OBJECT (evbox), "size_allocate", GTK_SIGNAL_FUNC (frame_size_alloc_cb), ipal); gtk_box_pack_start (GTK_BOX (hbox2), evbox, TRUE, TRUE, 0); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_container_add (GTK_CONTAINER (evbox), frame); ipal->palette = GTK_PREVIEW (gtk_preview_new (GTK_PREVIEW_COLOR)); gtk_preview_size (ipal->palette, 256, 256); gtk_widget_set_events (GTK_WIDGET(ipal->palette), GDK_BUTTON_PRESS_MASK); ipal->event_handler = gtk_signal_connect (GTK_OBJECT (ipal->palette), "event", GTK_SIGNAL_FUNC (ipal_area_events), ipal); gtk_signal_handler_block (GTK_OBJECT (ipal->palette), ipal->event_handler); gtk_container_add (GTK_CONTAINER (frame), GTK_WIDGET (ipal->palette)); /* dnd stuff */ gtk_drag_source_set (GTK_WIDGET (ipal->palette), GDK_BUTTON1_MASK | GDK_BUTTON2_MASK, color_palette_target_table, n_color_palette_targets, GDK_ACTION_COPY | GDK_ACTION_MOVE); gimp_dnd_color_source_set (GTK_WIDGET (ipal->palette), palette_drag_color, ipal); gtk_drag_dest_set (GTK_WIDGET (ipal->palette), GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP, color_palette_target_table, n_color_palette_targets, GDK_ACTION_COPY); gimp_dnd_color_dest_set (GTK_WIDGET (ipal->palette), palette_drop_color, ipal); /* some helpful hints */ hbox = gtk_hbox_new (FALSE, 4); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); label = gtk_label_new (_("Index:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); ipal->index_spinbutton = gimp_spin_button_new ((GtkObject **) &ipal->index_adjustment, 0, 0, 0, 1, 10, 10, 1.0, 0); gtk_signal_connect (GTK_OBJECT (ipal->index_adjustment), "value_changed", GTK_SIGNAL_FUNC (index_adjustment_change_cb), ipal); gtk_box_pack_start (GTK_BOX (hbox), ipal->index_spinbutton, FALSE, FALSE, 0); label = gtk_label_new (_("Hex Triplet:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); entry = gtk_entry_new_with_max_length (7); ipal->color_entry = GTK_ENTRY (entry); gtk_signal_connect (GTK_OBJECT (entry), "activate", GTK_SIGNAL_FUNC (hex_entry_change_cb), ipal); gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0); /* Connect the "F1" help key */ gimp_help_connect_help_accel (GTK_WIDGET (ipal), gimp_standard_help_func, "dialogs/indexed_palette.html"); gtk_widget_show_all (vbox); /* gtk_widget_show (ipal); */ ipal_update_image_list (ipal); gtk_signal_connect (GTK_OBJECT (context), "add", GTK_SIGNAL_FUNC (container_addrem_cb), ipal); gtk_signal_connect (GTK_OBJECT (context), "remove", GTK_SIGNAL_FUNC (container_addrem_cb), ipal); return ipal; } GimpImage * gimp_colormap_dialog_image (const GimpColormapDialog *colormap_dialog) { g_return_val_if_fail (colormap_dialog != NULL, NULL); g_return_val_if_fail (GIMP_IS_COLORMAP_DIALOG (colormap_dialog), NULL); return colormap_dialog->image; } gint gimp_colormap_dialog_col_index (const GimpColormapDialog *colormap_dialog) { g_return_val_if_fail (colormap_dialog != NULL, 0); g_return_val_if_fail (GIMP_IS_COLORMAP_DIALOG(colormap_dialog), 0); return colormap_dialog->col_index; } void gimp_colormap_dialog_selected (GimpColormapDialog *colormap_dialog) { g_return_if_fail (colormap_dialog); g_return_if_fail (GIMP_IS_COLORMAP_DIALOG(colormap_dialog)); gtk_signal_emit (GTK_OBJECT (colormap_dialog), gimp_colormap_dialog_signals[SELECTED]); } /* private functions */ static void palette_drag_color (GtkWidget *widget, GimpRGB *color, gpointer data) { GimpColormapDialog *ipal = (GimpColormapDialog *) data; guint col = ipal->dnd_col_index; GimpImage *gimage; gimage = ipal->image; gimp_rgba_set_uchar (color, gimage->cmap[col * 3 + 0], gimage->cmap[col * 3 + 1], gimage->cmap[col * 3 + 2], 255); } static void palette_drop_color (GtkWidget *widget, const GimpRGB *color, gpointer data) { GimpColormapDialog *ipal = (GimpColormapDialog *) data; if (!GTK_WIDGET_IS_SENSITIVE (ipal->vbox) || !(ipal->image->num_cols < 256)) return; gimp_rgb_get_uchar (color, &ipal->image->cmap[ipal->image->num_cols * 3], &ipal->image->cmap[ipal->image->num_cols * 3 + 1], &ipal->image->cmap[ipal->image->num_cols * 3 + 2]); ipal->image->num_cols++; gimp_image_colormap_changed (ipal->image, -1); } static void ipal_create_popup_menu (GimpColormapDialog *ipal) { GtkWidget *menu; GtkWidget *menu_item; ipal->popup_menu = menu = gtk_menu_new (); menu_item = gtk_menu_item_new_with_label (_("Add")); gtk_menu_append (GTK_MENU (menu), menu_item); gtk_signal_connect (GTK_OBJECT (menu_item), "activate", GTK_SIGNAL_FUNC (ipal_add_callback), (gpointer) ipal); gtk_widget_show (menu_item); ipal->add_item = menu_item; menu_item = gtk_menu_item_new_with_label (_("Edit")); gtk_menu_append (GTK_MENU (menu), menu_item); gtk_signal_connect (GTK_OBJECT (menu_item), "activate", GTK_SIGNAL_FUNC (ipal_edit_callback), (gpointer) ipal); gtk_widget_show (menu_item); } static void ipal_update_image_list (GimpColormapDialog* ipal) { gint default_index; GimpImage *default_gimage; default_gimage = ipal->image; ipal->image_menu = create_image_menu (ipal, &default_gimage, &default_index, image_menu_callback); gtk_option_menu_set_menu (ipal->option_menu, ipal->image_menu); if (default_index != -1) { if (! GTK_WIDGET_IS_SENSITIVE (ipal->vbox)) gtk_widget_set_sensitive (ipal->vbox, TRUE); gtk_option_menu_set_history (ipal->option_menu, default_index); } else { if (GTK_WIDGET_IS_SENSITIVE (ipal->vbox)) { gtk_widget_set_sensitive (ipal->vbox, FALSE); } } ipal_set_image (ipal, default_gimage); } static void frame_size_alloc_cb (GtkFrame *frame, GtkAllocation *alloc, GimpColormapDialog *ipal) { GtkWidget *widget = GTK_WIDGET (frame); GtkAllocation allocation = *alloc; GtkRequisition requisition; if (ipal->image) ipal_draw (ipal); else ipal_clear (ipal); widget = GTK_BIN (widget)->child; gtk_widget_size_request (widget, &requisition); allocation.x = MAX (0, allocation.width - requisition.width) / 2; allocation.y = MAX (0, allocation.height - requisition.height) / 2; allocation.width = MIN (allocation.width, requisition.width); allocation.height = MIN (allocation.height, requisition.height); gtk_widget_size_allocate (widget, &allocation); } static void window_size_req_cb (GtkWindow *window, GtkRequisition *requsition, GimpColormapDialog *ipal) { requsition->width = GTK_WIDGET (window)->allocation.width; requsition->height = GTK_WIDGET (window)->allocation.height; } #define MIN_CELL_SIZE 4 static void ipal_draw (GimpColormapDialog* ipal) { GimpImage *gimage; gint i, j, k, l, b; gint col; guchar *row; gint cellsize, ncol, xn, yn, width, height; GtkWidget *palette; GtkContainer *parent; g_return_if_fail (ipal); gimage = ipal->image; g_return_if_fail (gimage); palette = GTK_WIDGET (ipal->palette); parent = GTK_CONTAINER (palette->parent); width = GTK_WIDGET (parent)->allocation.width - parent->border_width; height = GTK_WIDGET (parent)->allocation.height - parent->border_width; ncol = gimage->num_cols; if (!ncol) { ipal_clear (ipal); return; } cellsize = sqrt(width * height / ncol); while (cellsize >= MIN_CELL_SIZE && (xn = width/cellsize) * (yn = height/cellsize) < ncol) cellsize--; if (cellsize < MIN_CELL_SIZE) { cellsize = MIN_CELL_SIZE; xn = yn = ceil (sqrt (ncol)); } yn = ((ncol + xn - 1) / xn); width = xn * cellsize; height = yn * cellsize; ipal->xn = xn; ipal->yn = yn; ipal->cellsize = cellsize; gtk_preview_size (ipal->palette, width, height); row = g_new (guchar, xn * cellsize * 3); col = 0; for (i = 0; i < yn; i++) { for (j = 0; j < xn && col < ncol; j++, col++) { for (k = 0; k < cellsize; k++) for (b = 0; b < 3; b++) row[(j * cellsize + k) * 3 + b] = gimage->cmap[col * 3 + b]; } for (k = 0; k < cellsize; k++) { for (l = j * cellsize; l < xn * cellsize; l++) for (b = 0; b < 3; b++) row[l * 3 + b] = ((((i * cellsize + k) & 0x4) ? (l) : (l + 0x4)) & 0x4) ? render_blend_light_check[0] : render_blend_dark_check[0]; gtk_preview_draw_row (ipal->palette, row, 0, i * cellsize + k, cellsize * xn); } } ipal_draw_cell (ipal, ipal->col_index); g_free (row); gtk_widget_draw (palette, NULL); } static void ipal_draw_cell (GimpColormapDialog *ipal, gint col) { guchar *row; gint cellsize, x, y, k; GdkRectangle rec; g_assert (ipal); g_assert (ipal->image); g_assert (col < ipal->image->num_cols); cellsize = ipal->cellsize; row = g_new (guchar, cellsize * 3); x = (col % ipal->xn) * cellsize; y = (col / ipal->xn) * cellsize; if (col == ipal->col_index) { for(k = 0; k < cellsize; k++) row[k*3] = row[k*3+1] = row[k*3+2] = (k & 1) * 255; gtk_preview_draw_row (ipal->palette, row, x, y, cellsize); if (!(cellsize & 1)) for (k = 0; k < cellsize; k++) row[k*3] = row[k*3+1] = row[k*3+2] = ((x+y+1) & 1) * 255; gtk_preview_draw_row (ipal->palette, row, x, y+cellsize-1, cellsize); row[0]=row[1]=row[2]=255; row[cellsize*3-3] = row[cellsize*3-2] = row[cellsize*3-1] = 255 * (cellsize & 1); for (k = 1; k < cellsize - 1; k++) { row[k*3] = ipal->image->cmap[col * 3]; row[k*3+1] = ipal->image->cmap[col * 3 + 1]; row[k*3+2] = ipal->image->cmap[col * 3 + 2]; } for (k = 1; k < cellsize - 1; k+=2) gtk_preview_draw_row (ipal->palette, row, x, y+k, cellsize); row[0] = row[1] = row[2] = 0; row[cellsize*3-3] = row[cellsize*3-2] = row[cellsize*3-1] = 255 * ((cellsize+1) & 1); for (k = 2; k < cellsize - 1; k += 2) gtk_preview_draw_row (ipal->palette, row, x, y+k, cellsize); } else { for (k = 0; k < cellsize; k++) { row[k*3] = ipal->image->cmap[col * 3]; row[k*3+1] = ipal->image->cmap[col * 3 + 1]; row[k*3+2] = ipal->image->cmap[col * 3 + 2]; } for (k = 0; k < cellsize; k++) gtk_preview_draw_row (ipal->palette, row, x, y+k, cellsize); } rec.x = x; rec.y = y; rec.width = rec.height = cellsize; gtk_widget_draw (GTK_WIDGET (ipal->palette), &rec); } static void ipal_clear (GimpColormapDialog* ipal) { gint i, j; gint offset; gint width, height; guchar *row = NULL; GtkWidget *palette; g_return_if_fail (ipal); palette = GTK_WIDGET (ipal->palette); /* Watch out for negative values (at least on Win32) */ width = (int) (gint16) palette->allocation.width; height = (int) (gint16) palette->allocation.height; if (width > 0) row = g_new (guchar, width * 3); gtk_preview_size (ipal->palette, width, height); for (i = 0; i < height; i += 4) { offset = (i & 0x4) ? 0x4 : 0x0; for (j = 0; j < width; j++) { row[j * 3 + 0] = row[j * 3 + 1] = row[j * 3 + 2] = ((j + offset) & 0x4) ? render_blend_light_check[0] : render_blend_dark_check[0]; } for (j = 0; j < 4 && i+j < height; j++) gtk_preview_draw_row (ipal->palette, row, 0, i + j, width); } if (width > 0) g_free (row); gtk_widget_draw (palette, NULL); } static void ipal_update_entries (GimpColormapDialog *ipal) { if (!ipal->image) { gtk_widget_set_sensitive (ipal->index_spinbutton, FALSE); gtk_widget_set_sensitive (GTK_WIDGET (ipal->color_entry), FALSE); gtk_adjustment_set_value (ipal->index_adjustment, 0); gtk_entry_set_text (ipal->color_entry, ""); } else { gchar *string; guchar *col; gtk_adjustment_set_value (ipal->index_adjustment, ipal->col_index); col = &ipal->image->cmap[ipal->col_index * 3]; string = g_strdup_printf ("#%02x%02x%02x", col[0], col[1], col[2]); gtk_entry_set_text (ipal->color_entry, string); g_free (string); gtk_widget_set_sensitive (ipal->index_spinbutton, TRUE); gtk_widget_set_sensitive (GTK_WIDGET (ipal->color_entry), TRUE); } } static void ipal_set_index (GimpColormapDialog *ipal, gint i) { if (i != ipal->col_index) { gint old = ipal->col_index; ipal->col_index = i; ipal->dnd_col_index = i; ipal_draw_cell (ipal, old); ipal_draw_cell (ipal, i); ipal_update_entries (ipal); } } static void index_adjustment_change_cb (GtkAdjustment *adjustment, GimpColormapDialog *ipal) { g_return_if_fail (ipal); if (!ipal->image) return; ipal_set_index (ipal, (gint) (adjustment->value + 0.5)); ipal_update_entries (ipal); } static void hex_entry_change_cb (GtkEntry *entry, GimpColormapDialog *ipal) { gchar *s; gulong i; g_return_if_fail (ipal); g_return_if_fail (ipal->image); s = gtk_entry_get_text (entry); if (sscanf (s, "#%lx", &i)) { guchar *c = &ipal->image->cmap[3 * ipal->col_index]; c[0] = (i & 0xFF0000) >> 16; c[1] = (i & 0x00FF00) >> 8; c[2] = (i & 0x0000FF); gimp_image_colormap_changed (ipal->image, ipal->col_index); } ipal_update_entries (ipal); } static void container_addrem_cb (GimpContainer *set, GimpImage *image, GimpColormapDialog *ipal) { ipal_update_image_list (ipal); } static void image_rename_cb (GimpImage *img, GimpColormapDialog *ipal) { ipal_update_image_list (ipal); } static void image_cmap_change_cb (GimpImage *img, gint ncol, GimpColormapDialog *ipal) { if (img == ipal->image && gimp_image_base_type (img) == INDEXED) { if (ncol < 0) { ipal_draw (ipal); gtk_container_queue_resize (GTK_CONTAINER (ipal)); } else { ipal_draw_cell (ipal, ncol); } if (ncol == ipal->col_index) ipal_update_entries (ipal); gtk_widget_set_sensitive (ipal->add_item, (img->num_cols < 256)); if ((ipal->index_adjustment->upper + 1) < img->num_cols) { ipal->index_adjustment->upper = img->num_cols - 1; gtk_adjustment_changed (ipal->index_adjustment); } } else { ipal_update_image_list (ipal); } gdisplays_flush_now (); } static void ipal_set_image (GimpColormapDialog *ipal, GimpImage *gimage) { g_assert (ipal); if (ipal->image) { ipal->image = gimage; if (!gimage) { gtk_signal_handler_block (GTK_OBJECT (ipal->palette), ipal->event_handler); if (GTK_WIDGET_MAPPED (GTK_WIDGET (ipal))) ipal_clear (ipal); } } ipal->col_index = 0; ipal->dnd_col_index = 0; if (gimage) { if (!ipal->image) gtk_signal_handler_unblock (GTK_OBJECT (ipal->palette), ipal->event_handler); g_return_if_fail (gimp_container_have (ipal->context, GIMP_OBJECT (gimage))); g_return_if_fail (gimp_image_base_type (gimage) == INDEXED); ipal->image = gimage; ipal_draw (ipal); gtk_container_queue_resize (GTK_CONTAINER (ipal)); ipal->index_adjustment->upper = ipal->image->num_cols - 1; gtk_adjustment_changed (ipal->index_adjustment); } else { if (ipal->color_notebook) color_notebook_hide (ipal->color_notebook); ipal->index_adjustment->upper = 0; gtk_adjustment_changed (ipal->index_adjustment); } gtk_widget_set_sensitive (ipal->add_item, (gimage && gimage->num_cols < 256)); ipal_update_entries (ipal); } static void ipal_add_callback (GtkWidget *widget, gpointer data) { GimpColormapDialog *ipal = data; g_return_if_fail (ipal); g_return_if_fail (ipal->image->num_cols < 256); memcpy (&ipal->image->cmap[ipal->image->num_cols * 3], &ipal->image->cmap[ipal->col_index * 3], 3); ipal->image->num_cols++; gimp_image_colormap_changed (ipal->image, -1); } static void ipal_edit_callback (GtkWidget *widget, gpointer data) { GimpColormapDialog *ipal = data; GimpRGB color; g_return_if_fail (ipal); gimp_rgba_set_uchar (&color, ipal->image->cmap[ipal->col_index * 3], ipal->image->cmap[ipal->col_index * 3 + 1], ipal->image->cmap[ipal->col_index * 3 + 2], 255); if (! ipal->color_notebook) { ipal->color_notebook = color_notebook_new (_("Edit Indexed Color"), (const GimpRGB *) &color, ipal_select_callback, ipal, FALSE, FALSE); } else { color_notebook_show (ipal->color_notebook); color_notebook_set_color (ipal->color_notebook, &color); } } static void ipal_close_callback (GtkWidget *widget, gpointer data) { GimpColormapDialog* ipal = data; g_assert (ipal); gtk_widget_hide (GTK_WIDGET (ipal)); } static void ipal_select_callback (ColorNotebook *color_notebook, const GimpRGB *color, ColorNotebookState state, gpointer data) { GimpImage *gimage; GimpColormapDialog *ipal = data; g_return_if_fail (ipal); g_return_if_fail (ipal->image); g_return_if_fail (ipal->color_notebook); gimage = ipal->image; switch (state) { case COLOR_NOTEBOOK_UPDATE: break; case COLOR_NOTEBOOK_OK: gimp_rgb_get_uchar (color, &gimage->cmap[ipal->col_index * 3 + 0], &gimage->cmap[ipal->col_index * 3 + 1], &gimage->cmap[ipal->col_index * 3 + 2]); gimp_image_colormap_changed (gimage, ipal->col_index); /* Fall through */ case COLOR_NOTEBOOK_CANCEL: color_notebook_hide (ipal->color_notebook); } } static gint ipal_area_events (GtkWidget *widget, GdkEvent *event, GimpColormapDialog *ipal) { GimpImage *gimage; GdkEventButton *bevent; guchar r, g, b; guint col; g_assert (ipal); gimage = ipal->image; g_assert (gimage); switch (event->type) { case GDK_BUTTON_PRESS: bevent = (GdkEventButton *) event; if (bevent->button < 1 || bevent->button > 3) return FALSE; if (!(bevent->y < ipal->cellsize * ipal->yn && bevent->x < ipal->cellsize * ipal->xn)) return FALSE; col = ipal->xn * ((int)bevent->y / ipal->cellsize) + ((int)bevent->x / ipal->cellsize); if (col >= ipal->image->num_cols) return FALSE; r = gimage->cmap[col * 3 + 0]; g = gimage->cmap[col * 3 + 1]; b = gimage->cmap[col * 3 + 2]; switch (bevent->button) { case 1: ipal_set_index (ipal, col); gimp_colormap_dialog_selected (ipal); break; case 2: ipal->dnd_col_index = col; break; case 3: ipal_set_index (ipal, col); gtk_menu_popup (GTK_MENU (ipal->popup_menu), NULL, NULL, NULL, NULL, 3, bevent->time); break; default: break; } break; default: break; } return FALSE; } static void image_menu_callback (GtkWidget *widget, gpointer data) { GimpColormapDialog* ipal = gtk_object_get_data (GTK_OBJECT (widget), "colormap_dialog"); GimpImage* image = GIMP_IMAGE (data); g_assert (ipal); g_assert (image); ipal_set_image (ipal, image); } typedef struct { GimpImage **def; gint *default_index; GtkSignalFunc callback; GtkWidget *menu; gint num_items; GimpImage *id; GimpColormapDialog *ipal; } IMCBData; static void create_image_menu_cb (gpointer im, gpointer d) { GimpImage *gimage = GIMP_IMAGE (im); IMCBData *data = (IMCBData *) d; gchar *image_name; gchar *menu_item_label; GtkWidget *menu_item; if (gimp_image_base_type (gimage) != INDEXED) return; /* make sure the default index gets set to _something_, if possible */ if (*data->default_index == -1) { data->id = gimage; *data->default_index = data->num_items; } if (gimage == *data->def) { data->id = *data->def; *data->default_index = data->num_items; } image_name = g_basename (gimp_image_filename (gimage)); menu_item_label = g_strdup_printf ("%s-%d", image_name, gimp_image_get_ID (gimage)); menu_item = gtk_menu_item_new_with_label (menu_item_label); gtk_object_set_data (GTK_OBJECT (menu_item), "colormap_dialog", data->ipal); gtk_signal_connect (GTK_OBJECT (menu_item), "activate", data->callback, gimage); gtk_container_add (GTK_CONTAINER (data->menu), menu_item); gtk_widget_show (menu_item); g_free (menu_item_label); data->num_items ++; } static GtkWidget * create_image_menu (GimpColormapDialog *ipal, GimpImage **def, gint *default_index, GtkSignalFunc callback) { IMCBData data; data.def = def; data.default_index = default_index; data.callback = callback; data.menu = gtk_menu_new (); data.num_items = 0; data.id = NULL; data.ipal = ipal; *default_index = -1; gimp_container_foreach (ipal->context, create_image_menu_cb, &data); if (!data.num_items) { GtkWidget* menu_item; menu_item = gtk_menu_item_new_with_label (_("none")); gtk_container_add (GTK_CONTAINER (data.menu), menu_item); gtk_widget_show (menu_item); } *def = data.id; return data.menu; }