Puzzle: main drawing functions

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/video_filter/puzzle_lib.h

+/*****************************************************************************
+ * puzzle_lib.h : Useful functions used by puzzle game filter
+ *****************************************************************************
+ * Copyright (C) 2005-2009 VLC authors and VideoLAN
+ * Copyright (C) 2013      Vianney Boyer
+ * $Id$
+ *
+ * Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
+ *          Vianney Boyer <vlcvboyer -at- gmail -dot- com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 VLC_LIB_PUZZLE_H
+#define VLC_LIB_PUZZLE_H 1
+
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <math.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_filter.h>
+#include <vlc_rand.h>
+
+#include "puzzle.h"
+
+void puzzle_preset_desk_background(picture_t *p_pic_out, uint8_t Y, uint8_t U, uint8_t V);
+void puzzle_draw_borders( filter_t *p_filter, picture_t *p_pic_in, picture_t *p_pic_out);
+void puzzle_draw_preview( filter_t *p_filter, picture_t *p_pic_in, picture_t *p_pic_out);
+void puzzle_draw_sign(picture_t *p_pic_out, int32_t i_x, int32_t i_y, int32_t i_width, int32_t i_lines, const char **ppsz_sign, bool b_reverse);
+void puzzle_draw_rectangle(picture_t *p_pic_out, int32_t x, int32_t y, int32_t i_w, int32_t i_h, uint8_t Y, uint8_t U, uint8_t V );
+void puzzle_fill_rectangle(picture_t *p_pic_out, int32_t x, int32_t y, int32_t i_w, int32_t i_h, uint8_t Y, uint8_t U, uint8_t V );
+static inline int32_t init_countdown(int32_t init_val) {
+    return ( ( __MAX( 1, 30000 - init_val)/20 ) / 2 + ((unsigned) vlc_mrand48() ) % ( __MAX( 1, ((30000 - init_val)/20) ) ) ); }
+
+#define SHUFFLE_WIDTH 81
+#define SHUFFLE_LINES 13
+extern const char *ppsz_shuffle_button[SHUFFLE_LINES];
+
+#define ARROW_WIDTH 13
+#define ARROW_LINES 13
+extern const char *ppsz_rot_arrow_sign[ARROW_LINES];
+extern const char *ppsz_mir_arrow_sign[ARROW_LINES];
+
+#endif