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Move gfxmenu color handling to video, so that gfxterm can use it

Browse source 
too.

* grub-core/gfxmenu/named_colors.c: Move to ...
* grub-core/video/colors.c: ... here.  Rename
grub_gui_get_named_color to grub_video_get_named_color.
* grub-core/gfxmenu/gui_string_util.c (my_isxdigit): Move to ...
* grub-core/video/colors.c (my_isxdigit): ... here.
* grub-core/gfxmenu/gui_string_util.c (parse_hex_color_component):
Move to ...
* grub-core/video/colors.c (parse_hex_color_component): ... here.
* grub-core/gfxmenu/gui_string_util.c (grub_gui_parse_color): Move
to ...
* grub-core/video/colors.c (grub_video_parse_color): ... here.

* include/grub/gui.h (grub_gui_color_t): Move to ...
* include/grub/video.h (grub_video_rgba_color_t): ... here.
* include/grub/gui.h (grub_gui_color_rgb): Move to ...
* include/grub/video.h (grub_video_rgba_color_rgb): ... here.
* include/grub/gui.h (grub_gui_map_color): Move to ...
* include/grub/video.h (grub_video_map_rgba_color): ... here.
* include/grub/gui_string_util.h (grub_gui_get_named_color): Move
to ...
* include/grub/video.h (grub_video_get_named_color): ... here.
* include/grub/gui_string_util.h (grub_gui_parse_color): Move to ...
* include/grub/video.h (grub_video_parse_color): ... here.

* grub-core/Makefile.core.def (kernel) [videoinkernel]: Add
video/colors.c.
(gfxmenu): Remove gfxmenu/named_colors.c.
(video_colors) [videomodules]: New module, containing
video/colors.c.
This commit is contained in:
Colin Watson 2010-12-10 16:45:58 +00:00
parent 5367ecd305
commit 52832c554c
13 changed files with 240 additions and 198 deletions
Download patch file Download diff file Expand all files Collapse all files

121
grub-core/gfxmenu/gui_string_util.c
View file

@ -204,124 +204,3 @@ grub_get_dirname (const char *file_path)
return grub_new_substring (file_path, 0, last_slash + 1);
}
static __inline int
my_isxdigit (char c)
{
return ((c >= '0' && c <= '9')
|| (c >= 'a' && c <= 'f')
|| (c >= 'A' && c <= 'F'));
}
static int
parse_hex_color_component (const char *s, unsigned start, unsigned end)
{
unsigned len;
char buf[3];
len = end - start;
/* Check the limits so we don't overrun the buffer. */
if (len < 1 || len > 2)
return 0;
if (len == 1)
{
buf[0] = s[start]; /* Get the first and only hex digit. */
buf[1] = buf[0]; /* Duplicate the hex digit. */
}
else if (len == 2)
{
buf[0] = s[start];
buf[1] = s[start + 1];
}
buf[2] = '\0';
return grub_strtoul (buf, 0, 16);
}
/* Parse a color string of the form "r, g, b", "#RGB", "#RGBA",
"#RRGGBB", or "#RRGGBBAA". */
grub_err_t
grub_gui_parse_color (const char *s, grub_gui_color_t *color)
{
grub_gui_color_t c;
/* Skip whitespace. */
while (*s && grub_isspace (*s))
s++;
if (*s == '#')
{
/* HTML-style. Number if hex digits:
[6] #RRGGBB [3] #RGB
[8] #RRGGBBAA [4] #RGBA */
s++; /* Skip the '#'. */
/* Count the hexits to determine the format. */
int hexits = 0;
const char *end = s;
while (my_isxdigit (*end))
{
end++;
hexits++;
}
/* Parse the color components based on the format. */
if (hexits == 3 || hexits == 4)
{
c.red = parse_hex_color_component (s, 0, 1);
c.green = parse_hex_color_component (s, 1, 2);
c.blue = parse_hex_color_component (s, 2, 3);
if (hexits == 4)
c.alpha = parse_hex_color_component (s, 3, 4);
else
c.alpha = 255;
}
else if (hexits == 6 || hexits == 8)
{
c.red = parse_hex_color_component (s, 0, 2);
c.green = parse_hex_color_component (s, 2, 4);
c.blue = parse_hex_color_component (s, 4, 6);
if (hexits == 8)
c.alpha = parse_hex_color_component (s, 6, 8);
else
c.alpha = 255;
}
else
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"invalid HTML-type color string `%s'", s);
}
else if (grub_isdigit (*s))
{
/* Comma separated decimal values. */
c.red = grub_strtoul (s, 0, 0);
if ((s = grub_strchr (s, ',')) == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"missing 1st comma separator in color `%s'", s);
s++;
c.green = grub_strtoul (s, 0, 0);
if ((s = grub_strchr (s, ',')) == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"missing 2nd comma separator in color `%s'", s);
s++;
c.blue = grub_strtoul (s, 0, 0);
if ((s = grub_strchr (s, ',')) == 0)
c.alpha = 255;
else
{
s++;
c.alpha = grub_strtoul (s, 0, 0);
}
}
else
{
if (! grub_gui_get_named_color (s, &c))
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"invalid named color `%s'", s);
}
if (grub_errno == GRUB_ERR_NONE)
*color = c;
return grub_errno;
}