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author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/core/ansicoldef.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/core/ansicoldef.c')
-rw-r--r-- | qemu/roms/ipxe/src/core/ansicoldef.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/core/ansicoldef.c b/qemu/roms/ipxe/src/core/ansicoldef.c new file mode 100644 index 000000000..dd89f3b70 --- /dev/null +++ b/qemu/roms/ipxe/src/core/ansicoldef.c @@ -0,0 +1,191 @@ +/* + * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <stdio.h> +#include <errno.h> +#include <ipxe/ansiesc.h> +#include <ipxe/ansicol.h> +#include <config/colour.h> + +/** @file + * + * ANSI colour definitions + * + */ + +/** + * Construct ANSI colour definition + * + * @v basic Basic colour + * @v rgb 24-bit RGB value (or ANSICOL_NO_RGB) + * @ret ansicol ANSI colour definition + */ +#define ANSICOL_DEFINE( basic, rgb ) ( ( (basic) << 28 ) | (rgb) ) + +/** + * Extract basic colour from ANSI colour definition + * + * @v ansicol ANSI colour definition + * @ret basic Basic colour + */ +#define ANSICOL_BASIC( ansicol ) ( (ansicol) >> 28 ) + +/** + * Extract 24-bit RGB value from ANSI colour definition + * + * @v ansicol ANSI colour definition + * @ret rgb 24-bit RGB value + */ +#define ANSICOL_RGB( ansicol ) ( ( (ansicol) >> 0 ) & 0xffffffUL ) + +/** + * Extract 24-bit RGB value red component from ANSI colour definition + * + * @v ansicol ANSI colour definition + * @ret red Red component + */ +#define ANSICOL_RED( ansicol ) ( ( (ansicol) >> 16 ) & 0xff ) + +/** + * Extract 24-bit RGB value green component from ANSI colour definition + * + * @v ansicol ANSI colour definition + * @ret green Green component + */ +#define ANSICOL_GREEN( ansicol ) ( ( (ansicol) >> 8 ) & 0xff ) + +/** + * Extract 24-bit RGB value blue component from ANSI colour definition + * + * @v ansicol ANSI colour definition + * @ret blue Blue component + */ +#define ANSICOL_BLUE( ansicol ) ( ( (ansicol) >> 0 ) & 0xff ) + +/** + * Construct default ANSI colour definition + * + * @v basic Basic colour + * @ret ansicol ANSI colour definition + * + * Colours default to being just a basic colour. If the colour + * matches the normal UI text background colour, then its basic colour + * value is set to @c ANSICOL_MAGIC. + */ +#define ANSICOL_DEFAULT( basic ) \ + ANSICOL_DEFINE ( ( ( (basic) == COLOR_NORMAL_BG ) ? \ + ANSICOL_MAGIC : (basic) ), \ + ANSICOL_NO_RGB ) + +/** ANSI colour definitions */ +static uint32_t ansicols[] = { + [COLOR_BLACK] = ANSICOL_DEFAULT ( COLOR_BLACK ), + [COLOR_RED] = ANSICOL_DEFAULT ( COLOR_RED ), + [COLOR_GREEN] = ANSICOL_DEFAULT ( COLOR_GREEN ), + [COLOR_YELLOW] = ANSICOL_DEFAULT ( COLOR_YELLOW ), + [COLOR_BLUE] = ANSICOL_DEFAULT ( COLOR_BLUE ), + [COLOR_MAGENTA] = ANSICOL_DEFAULT ( COLOR_MAGENTA ), + [COLOR_CYAN] = ANSICOL_DEFAULT ( COLOR_CYAN ), + [COLOR_WHITE] = ANSICOL_DEFAULT ( COLOR_WHITE ), +}; + +/** Magic basic colour */ +static uint8_t ansicol_magic = COLOR_NORMAL_BG; + +/** + * Define ANSI colour + * + * @v colour Colour index + * @v basic Basic colour + * @v rgb 24-bit RGB value (or ANSICOL_NO_RGB) + * @ret rc Return status code + */ +int ansicol_define ( unsigned int colour, unsigned int basic, uint32_t rgb ) { + uint32_t ansicol; + + /* Fail if colour index is out of range */ + if ( colour >= ( sizeof ( ansicols ) / sizeof ( ansicols[0] ) ) ) + return -EINVAL; + + /* Update colour definition */ + ansicol = ANSICOL_DEFINE ( basic, rgb ); + ansicols[colour] = ansicol; + DBGC ( &ansicols[0], "ANSICOL redefined colour %d as basic %d RGB " + "%#06lx%s\n", colour, ANSICOL_BASIC ( ansicol ), + ANSICOL_RGB ( ansicol ), + ( ( ansicol & ANSICOL_NO_RGB ) ? " [norgb]" : "" ) ); + + return 0; +} + +/** + * Set ANSI colour (using colour definitions) + * + * @v colour Colour index + * @v which Foreground/background selector + */ +void ansicol_set ( unsigned int colour, unsigned int which ) { + uint32_t ansicol; + unsigned int basic; + + /* Use default colour if colour index is out of range */ + if ( colour < ( sizeof ( ansicols ) / sizeof ( ansicols[0] ) ) ) { + ansicol = ansicols[colour]; + } else { + ansicol = ANSICOL_DEFINE ( COLOUR_DEFAULT, ANSICOL_NO_RGB ); + } + + /* If basic colour is out of range, use the magic colour */ + basic = ANSICOL_BASIC ( ansicol ); + if ( basic >= 10 ) + basic = ansicol_magic; + + /* Set basic colour first */ + printf ( CSI "%c%dm", which, basic ); + + /* Set 24-bit RGB colour, if applicable */ + if ( ! ( ansicol & ANSICOL_NO_RGB ) ) { + printf ( CSI "%c8;2;%d;%d;%dm", which, ANSICOL_RED ( ansicol ), + ANSICOL_GREEN ( ansicol ), ANSICOL_BLUE ( ansicol ) ); + } +} + +/** + * Reset magic colour + * + */ +void ansicol_reset_magic ( void ) { + + /* Set to the compile-time default background colour */ + ansicol_magic = COLOR_NORMAL_BG; +} + +/** + * Set magic colour to transparent + * + */ +void ansicol_set_magic_transparent ( void ) { + + /* Set to the console default colour (which will give a + * transparent background on the framebuffer console). + */ + ansicol_magic = COLOR_DEFAULT; +} |