/* Eye of Mate image viewer - Microtile array utilities * * Copyright (C) 2000-2009 The Free Software Foundation * * Author: Federico Mena-Quintero <federico@gnu.org> * * Portions based on code from libart_lgpl by Raph Levien. * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef UTA_H #define UTA_H #define EOM_UTILE_SHIFT 5 #define EOM_UTILE_SIZE (1 << EOM_UTILE_SHIFT) typedef guint32 EomUtaBbox; struct _EomIRect { int x0, y0, x1, y1; }; struct _EomUta { int x0; int y0; int width; int height; EomUtaBbox *utiles; }; typedef struct _EomIRect EomIRect; typedef struct _EomUta EomUta; G_GNUC_INTERNAL void eom_uta_free (EomUta *uta); G_GNUC_INTERNAL void eom_irect_intersect (EomIRect *dest, const EomIRect *src1, const EomIRect *src2); G_GNUC_INTERNAL int eom_irect_empty (const EomIRect *src); G_GNUC_INTERNAL EomUta *uta_ensure_size (EomUta *uta, int x1, int y1, int x2, int y2); G_GNUC_INTERNAL EomUta *uta_add_rect (EomUta *uta, int x1, int y1, int x2, int y2); G_GNUC_INTERNAL void uta_remove_rect (EomUta *uta, int x1, int y1, int x2, int y2); G_GNUC_INTERNAL void uta_find_first_glom_rect (EomUta *uta, EomIRect *rect, int max_width, int max_height); G_GNUC_INTERNAL void uta_copy_area (EomUta *uta, int src_x, int src_y, int dest_x, int dest_y, int width, int height); #endif