+/*
+ * 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 software 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 <http://www.gnu.org/licenses/>.
+ */
+
// data manipulation misc functions
struct Page *new_page(struct Page *template);
struct Page *new_page_with_bg(struct Background *bg, double width, double height);
+void set_current_page(gdouble *pt);
void realloc_cur_path(int n);
void realloc_cur_widths(int n);
void clear_redo_stack(void);
// helper functions
+int finite_sized(double x);
void get_pointer_coords(GdkEvent *event, double *ret);
+void get_current_pointer_coords(double *ret);
double get_pressure_multiplier(GdkEvent *event);
void fix_xinput_coords(GdkEvent *event);
void update_item_bbox(struct Item *item);