include/video_font_data.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2023 Dzmitry Sankouski <dsankouski@gmail.com>
   4  */
   5
   6 #ifndef _VIDEO_FONT_DATA_
   7 #define _VIDEO_FONT_DATA_
   8 #define VIDEO_FONT_BYTE_WIDTH(width)    ((width / 8) + (width % 8 > 0))
   9 #define VIDEO_FONT_CHAR_PIXEL_BYTES(width, height)      (height * VIDEO_FONT_BYTE_WIDTH(width))
  10 #define VIDEO_FONT_SIZE(chars, width, height)   (chars * VIDEO_FONT_CHAR_PIXEL_BYTES(width, height))
  11
  12 struct video_fontdata {
  13         const char *name;
  14         int width;
  15         int height;
  16         int byte_width;
  17         int char_pixel_bytes;
  18         unsigned char *video_fontdata;
  19 };
  20
  21 #define FONT_ENTRY(_font_width, _font_height, _width_x_height) \
  22 {       \
  23         .name = #_width_x_height,       \
  24         .width = _font_width,           \
  25         .height = _font_height,         \
  26         .byte_width = VIDEO_FONT_BYTE_WIDTH(_font_width),       \
  27         .char_pixel_bytes = VIDEO_FONT_CHAR_PIXEL_BYTES(_font_width, _font_height),     \
  28         .video_fontdata = video_fontdata_##_width_x_height,     \
  29 }
  30
  31 #endif /* _VIDEO_FONT_DATA_ */