image.h

   1 /*
   2  * image.h - image object header
   3  *
   4  * Copyright © 2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #ifndef AWESOME_IMAGE_H
  23 #define AWESOME_IMAGE_H
  24
  25 #include <lua.h>
  26 #include <Imlib2.h>
  27
  28 #include "common/util.h"
  29 #include "common/refcount.h"
  30
  31 typedef struct
  32 {
  33     /** Reference counter */
  34     int refcount;
  35     /** Imlib2 image */
  36     Imlib_Image image;
  37     /** Image width */
  38     int width;
  39     /** Image height */
  40     int height;
  41     /** Image data */
  42     uint8_t *data;
  43 } image_t;
  44
  45 static inline void
  46 image_delete(image_t **i)
  47 {
  48     if(*i)
  49     {
  50         imlib_context_set_image((*i)->image);
  51         imlib_free_image();
  52         p_delete(&(*i)->data);
  53         p_delete(i);
  54     }
  55 }
  56
  57 DO_RCNT(image_t, image, image_delete)
  58
  59 image_t * image_new_from_file(const char *);
  60 image_t * image_new_from_argb32(int, int, uint32_t *);
  61 uint8_t * image_data_argb32_get(image_t *);
  62
  63 int luaA_image_userdata_new(lua_State *, image_t *);
  64
  65 #endif
  66 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80