psplash-fb.h

   1 /*
   2  *  pslash - a lightweight framebuffer splashscreen for embedded devices.
   3  *
   4  *  Copyright (c) 2006 Matthew Allum <mallum@o-hand.com>
   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, or (at your option)
   9  *  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  */
  17
  18 #ifndef _HAVE_PSPLASH_FB_H
  19 #define _HAVE_PSPLASH_FB_H
  20
  21 enum RGBMode {
  22     RGB565,
  23     BGR565,
  24     RGB888,
  25     BGR888,
  26     GENERIC,
  27 };
  28
  29 typedef struct PSplashFB
  30 {
  31   int            fd;
  32   struct termios save_termios;
  33   int            type;
  34   int            visual;
  35   int            width, height;
  36   int            bpp;
  37   int            stride;
  38   char          *data;
  39   char          *base;
  40
  41   int            angle;
  42   int            real_width, real_height;
  43
  44   enum RGBMode   rgbmode;
  45   int            red_offset;
  46   int            red_length;
  47   int            green_offset;
  48   int            green_length;
  49   int            blue_offset;
  50   int            blue_length;
  51 }
  52 PSplashFB;
  53
  54 void
  55 psplash_fb_destroy (PSplashFB *fb);
  56
  57 PSplashFB*
  58 psplash_fb_new (int angle);
  59
  60 inline void
  61 psplash_fb_plot_pixel (PSplashFB    *fb,
  62                        int          x,
  63                        int          y,
  64                        uint8        red,
  65                        uint8        green,
  66                        uint8        blue);
  67
  68 void
  69 psplash_fb_draw_rect (PSplashFB    *fb,
  70                       int          x,
  71                       int          y,
  72                       int          width,
  73                       int          height,
  74                       uint8        red,
  75                       uint8        green,
  76                       uint8        blue);
  77
  78 void
  79 psplash_fb_draw_image (PSplashFB    *fb,
  80                        int          x,
  81                        int          y,
  82                        int          img_width,
  83                        int          img_height,
  84                        int          img_bytes_pre_pixel,
  85                        uint8       *rle_data);
  86
  87 void
  88 psplash_fb_text_size (PSplashFB          *fb,
  89                       int                *width,
  90                       int                *height,
  91                       const PSplashFont  *font,
  92                       const char         *text);
  93
  94 void
  95 psplash_fb_draw_text (PSplashFB         *fb,
  96                       int                x,
  97                       int                y,
  98                       uint8              red,
  99                       uint8              green,
 100                       uint8              blue,
 101                       const PSplashFont *font,
 102                       const char        *text);
 103
 104
 105 #endif