uspace/lib/draw/source.h

   1 /*
   2  * Copyright (c) 2012 Petr Koupy
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup draw
  30  * @{
  31  */
  32 /**
  33  * @file
  34  */
  35
  36 #ifndef DRAW_SOURCE_H_
  37 #define DRAW_SOURCE_H_
  38
  39 #include <sys/types.h>
  40 #include <stdbool.h>
  41
  42 #include <transform.h>
  43 #include <filter.h>
  44
  45 #include "surface.h"
  46
  47 typedef struct source {
  48         transform_t transform;
  49         filter_t filter;
  50
  51         pixel_t color;
  52         surface_t *texture;
  53         bool texture_tile;
  54
  55         pixel_t alpha;
  56         surface_t *mask;
  57         bool mask_tile;
  58 } source_t;
  59
  60 extern void source_init(source_t *);
  61
  62 extern void source_set_transform(source_t *, transform_t);
  63 extern void source_reset_transform(source_t *);
  64
  65 extern void source_set_filter(source_t *, filter_t);
  66
  67 extern void source_set_color(source_t *, pixel_t);
  68 extern void source_set_texture(source_t *, surface_t *, bool);
  69
  70 extern void source_set_alpha(source_t *, pixel_t);
  71 extern void source_set_mask(source_t *, surface_t *, bool);
  72
  73 extern bool source_is_fast(source_t *);
  74 extern pixel_t *source_direct_access(source_t *, double, double);
  75 extern pixel_t source_determine_pixel(source_t *, double, double);
  76
  77 #endif
  78
  79 /** @}
  80  */