1 files changed, 75 insertions, 0 deletions
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 <[email protected]>
+ *
+ * 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