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Color palette defined for 8 colors

This commit is contained in:
Markus Gans 2017-11-24 23:57:41 +01:00
parent 607294c71a
commit 0c45d7d8bc
2 changed files with 79 additions and 61 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2017-11-24 Markus Gans <guru.mail@muenster.de>
* Detects Linux console font with 512 characters and
reduces the number of colors to 8
* Color palette defined for 8 colors
2017-11-23 Markus Gans <guru.mail@muenster.de>
* Remove duplicated code from FOptiAttr::changeAttribute

93
src/fterm.cpp
View File

@ -2033,6 +2033,10 @@ int FTerm::setBlinkAsIntensity (bool on)
// Uses blink-bit as background intensity.
// That permits 16 colors for background
// Test if the blink-bit is used by the screen font (512 characters)
if ( screen_font.charcount > 256 )
return -1;
if ( getuid() != 0 ) // Direct hardware access requires root privileges
return -2;
@ -2249,6 +2253,7 @@ int FTerm::getScreenFont()
font.width = 32;
font.height = 32;
font.charcount = 512;
// initialize with 0
try
{
@ -2431,11 +2436,21 @@ void FTerm::initLinuxConsole()
if ( openConsole() == 0 )
{
if ( isLinuxConsole() )
linux_terminal = isLinuxConsole();
if ( linux_terminal )
{
getUnicodeMap();
getScreenFont();
#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
// Enable 16 background colors
if ( setBlinkAsIntensity(true) == 0 )
FTermcap::max_color = 16;
else
FTermcap::max_color = 8;
}
#endif
detectTermSize();
closeConsole();
@ -2445,6 +2460,22 @@ void FTerm::initLinuxConsole()
std::cerr << "can not open the console.\n";
std::abort();
}
if ( linux_terminal )
{
// Underline cursor
setLinuxConsoleCursorStyle (fc::underscore_cursor, true);
// Framebuffer color depth in bits per pixel
int bpp = getFramebuffer_bpp();
if ( bpp >= 4 )
FTermcap::max_color = 16;
#if DEBUG
framebuffer_bpp = bpp;
#endif
}
}
#endif
@ -2712,41 +2743,6 @@ void FTerm::detectTerminal()
FTermcap::max_color = 16;
}
// Initialize Linux console
#if defined(__linux__)
#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
// Enable 16 background colors
if ( linux_terminal && openConsole() == 0 )
{
if ( isLinuxConsole() )
{
if ( setBlinkAsIntensity(true) == 0 )
FTermcap::max_color = 16;
else
FTermcap::max_color = 8;
}
closeConsole();
}
if ( linux_terminal )
{
// Underline cursor
setLinuxConsoleCursorStyle (fc::underscore_cursor, true);
// Framebuffer color depth in bits per pixel
int bpp = getFramebuffer_bpp();
if ( bpp >= 4 )
FTermcap::max_color = 16;
#if DEBUG
framebuffer_bpp = bpp;
#endif
}
#endif
#endif
// Initialize FreeBSD console cursor
#if defined(__FreeBSD__) || defined(__DragonFly__)
setFreeBSDConsoleCursorStyle (fc::destructive_cursor, true);
@ -4021,8 +4017,7 @@ void FTerm::init_encoding()
//----------------------------------------------------------------------
void FTerm::redefineColorPalette()
{
if ( FTermcap::max_color >= 16
&& ! cygwin_terminal
if ( ! cygwin_terminal
&& ! kde_konsole
&& ! tera_terminal
&& ! ansi_terminal )
@ -4030,6 +4025,8 @@ void FTerm::redefineColorPalette()
resetColorMap();
saveColorMap();
if ( FTermcap::max_color >= 16 )
{
setPalette (fc::Black, 0x00, 0x00, 0x00);
setPalette (fc::Blue, 0x22, 0x22, 0xb2);
setPalette (fc::Green, 0x18, 0x78, 0x18);
@ -4047,20 +4044,36 @@ void FTerm::redefineColorPalette()
setPalette (fc::Yellow, 0xfb, 0xe8, 0x67);
setPalette (fc::White, 0xff, 0xff, 0xff);
}
else // 8 colors
{
setPalette (fc::Black, 0x00, 0x00, 0x00);
setPalette (fc::Blue, 0x22, 0x22, 0xb2);
setPalette (fc::Green, 0x18, 0x78, 0x18);
setPalette (fc::Cyan, 0x66, 0x66, 0xff);
setPalette (fc::Red, 0xb2, 0x18, 0x18);
setPalette (fc::Magenta, 0xb2, 0x18, 0xb2);
setPalette (fc::Brown, 0xe8, 0x87, 0x1f);
setPalette (fc::LightGray, 0xd0, 0xd0, 0xd0);
}
}
}
//----------------------------------------------------------------------
void FTerm::restoreColorPalette()
{
if ( FTermcap::max_color >= 16
&& ! (kde_konsole || tera_terminal || ansi_terminal) )
if ( ! (kde_konsole || tera_terminal || ansi_terminal) )
{
// Reset screen settings
if ( FTermcap::max_color >= 16 )
{
setPalette (fc::Cyan, 0x18, 0xb2, 0xb2);
setPalette (fc::LightGray, 0xb2, 0xb2, 0xb2);
setPalette (fc::DarkGray, 0x68, 0x68, 0x68);
setPalette (fc::LightBlue, 0x54, 0x54, 0xff);
setPalette (fc::LightGreen, 0x54, 0xff, 0x54);
}
else // 8 colors
setPalette (fc::Cyan, 0x18, 0xb2, 0xb2);
resetXTermColors();
resetColorMap();