From a8d28a6ce7e0c56dacba5d527d9134573a008902 Mon Sep 17 00:00:00 2001 From: Perberos Date: Sun, 6 Nov 2011 19:30:49 -0300 Subject: inicial --- src/uta.h | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 src/uta.h (limited to 'src/uta.h') diff --git a/src/uta.h b/src/uta.h new file mode 100644 index 0000000..4152136 --- /dev/null +++ b/src/uta.h @@ -0,0 +1,75 @@ +/* Eye of Mate image viewer - Microtile array utilities + * + * Copyright (C) 2000-2009 The Free Software Foundation + * + * Author: Federico Mena-Quintero + * + * 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 -- cgit v1.2.1