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Remove display-posterizing code. It's been dead 3 years.

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Signed-off-by: John Hood <cgull@glup.org>
This commit is contained in:
John Hood
2015-06-21 17:34:42 -04:00
parent 81f21fc7ac
commit 551b77f27e
6 changed files with 1 additions and 86 deletions
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src/terminal/terminalframebuffer.cc
-66
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@@ -398,19 +398,6 @@ void Framebuffer::soft_reset( void )
ds.clear_saved_cursor();
}
void Framebuffer::posterize( void )
{
for ( rows_type::iterator i = rows.begin();
i != rows.end();
i++ ) {
for ( Row::cells_type::iterator j = (*i)->cells.begin();
j != (*i)->cells.end();
j++ ) {
j->renditions.posterize();
}
}
}
void Framebuffer::resize( int s_width, int s_height )
{
assert( s_width > 0 );
@@ -571,59 +558,6 @@ std::string Renditions::sgr( void ) const
return ret;
}
/* Reduce 256 "standard" colors to the 8 ANSI colors. */
/* Terminal emulators generally agree on the (R',G',B') values of the
"standard" 256-color palette beyond #15, but for the first 16
colors there is disagreement. Most terminal emulators are roughly
self-consistent, except on Ubuntu's gnome-terminal where "ANSI
blue" (#4) has been replaced with the aubergine system-wide
color. See
https://lists.ubuntu.com/archives/ubuntu-devel/2011-March/032726.html
Terminal emulators that advertise "xterm" are inconsistent on the
handling of initc to change the contents of a cell in the color
palette. On RIS (reset to initial state) or choosing reset from
the user interface, xterm resets all entries, but gnome-terminal
only resets entries beyond 16. (rxvt doesn't reset any entries,
and Terminal.app ignores initc.) On initc, xterm applies changes
immediately (but slowly), but gnome-terminal's changes are only
prospective unless the user resizes the terminal.
mosh ignores initc for now, despite advertising xterm-256color. */
/* Table mapping common color cube for [16 .. 255]
to xterm's system colors (0 .. 7) with closest
CIE deltaE(2000). */
static const char standard_posterization[] = {
0, 1, 2, 3, 4, 5, 6, 7, 7, 1, 2, 3, 4, 5, 6, 7,
0, 4, 4, 4, 4, 4, 0, 0, 4, 4, 4, 4, 2, 6, 6, 6,
6, 4, 2, 2, 6, 6, 6, 6, 2, 2, 2, 6, 6, 6, 2, 2,
2, 2, 6, 6, 1, 4, 4, 4, 4, 4, 0, 0, 4, 4, 4, 4,
2, 2, 6, 6, 4, 5, 2, 2, 6, 6, 6, 6, 2, 2, 2, 6,
6, 6, 2, 2, 2, 2, 6, 6, 1, 5, 5, 4, 4, 4, 1, 1,
5, 5, 5, 5, 3, 3, 7, 5, 5, 5, 2, 2, 2, 6, 7, 7,
2, 2, 2, 6, 6, 6, 2, 2, 2, 2, 6, 6, 1, 5, 5, 5,
5, 5, 1, 1, 5, 5, 5, 5, 3, 1, 7, 5, 5, 5, 3, 3,
3, 7, 7, 7, 3, 3, 2, 7, 6, 7, 3, 2, 2, 2, 6, 6,
1, 5, 5, 5, 5, 5, 1, 1, 5, 5, 5, 5, 3, 1, 1, 5,
5, 5, 3, 3, 7, 7, 7, 7, 3, 3, 3, 7, 7, 7, 3, 3,
3, 3, 7, 7, 1, 1, 5, 5, 5, 5, 1, 1, 5, 5, 5, 5,
1, 1, 1, 5, 5, 5, 3, 7, 7, 7, 7, 7, 3, 3, 3, 7,
7, 7, 3, 3, 3, 3, 7, 7, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 };
void Renditions::posterize( void )
{
if ( foreground_color ) {
foreground_color = 30 + standard_posterization[ foreground_color - 30 ];
}
if ( background_color ) {
background_color = 40 + standard_posterization[ background_color - 40 ];
}
}
void Row::reset( color_type background_color )
{
gen = get_gen();