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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/os-support/linux/lnx_font.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/linux/lnx_font.c')
-rw-r--r-- | xorg-server/hw/xfree86/os-support/linux/lnx_font.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/os-support/linux/lnx_font.c b/xorg-server/hw/xfree86/os-support/linux/lnx_font.c new file mode 100644 index 000000000..e9a5b6aef --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/linux/lnx_font.c @@ -0,0 +1,291 @@ +/* + * Copyright 2004, Egbert Eich + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * EGBERT EICH BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CON- + * NECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of Egbert Eich shall not + * be used in advertising or otherwise to promote the sale, use or other deal- + *ings in this Software without prior written authorization from Egbert Eich. + * + */ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xmd.h> + +#include "compiler.h" + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" +#include "lnx.h" + +#include <sys/stat.h> +#include <string.h> +#include <errno.h> + +struct { + int width; + int height; + int charcount; + unsigned char *data; +} lnxfont = { 0, 0, 0, NULL }; + + +static Bool +getfont(int *width, int *height, + int *charcount, unsigned char *data) +{ + struct console_font_op op; + struct consolefontdesc ds; + int result; + + op.op = KD_FONT_OP_GET; + op.width = *width; + op.height = *height; + op.charcount = *charcount; + op.data = data; + op.flags = 0; + + SYSCALL(result = ioctl(xf86Info.consoleFd, KDFONTOP, &op)); +#ifdef DEBUG + ErrorF("Console font read: h: %i count: %i\n",op.height,op.charcount); +#endif + + if (!result) { + + *width = op.width; + *height = op.height; + *charcount = op.charcount; + + return TRUE; + } + + if (errno != ENOSYS && errno != EINVAL) + return FALSE; + + /* GIO_FONTX fallback */ + ds.charcount = *charcount; + ds.charheight = *height; + ds.chardata = (char *)data; + *width = 8; + + SYSCALL(result = ioctl(xf86Info.consoleFd, GIO_FONTX, &ds)); + + if (!result) { + + *charcount = ds.charcount; + *height = ds.charheight; + + return TRUE; + } + + if (errno != ENOSYS && errno != EINVAL) + return FALSE; + + /* GIO_FONT fallback */ + if (*charcount < 256) + return FALSE; + + SYSCALL(result = ioctl(xf86Info.consoleFd, GIO_FONT, data)); + + if (!result) { + *height = 0; + *charcount = 512; + return TRUE; + } + + return FALSE; + +} + +#define VERSION_LEN 31 + +Bool +lnx_savefont(void) +{ + unsigned char *fontdata; +#if CHECK_OS_VERSION + char kernel_version[VERSION_LEN + 1]; + int k_major, k_minor, k_release; +#endif + int size; + int fd; + int width = 32, height = 32, charcount = 2048; + +#ifdef DEBUG + ErrorF("SAVE font\n"); +#endif + +#if CHECK_OS_VERSION + /* Check if the kernel has full support for this */ + if ((fd = open ("/proc/sys/kernel/osrelease",O_RDONLY)) == -1) { + close (fd); + return TRUE; + } + size = read(fd, kernel_version, VERSION_LEN); + close (fd); + + if (size < 0) + return TRUE; + + size = sscanf(kernel_version, "%d.%d.%d",&k_major,&k_minor,&k_release); + if (size < 3 + || (k_major < 2) + || ((k_major == 2) + && ((k_minor < 6) + || ( k_minor == 6 + && k_release < 11)))) + return TRUE; +#endif + + /* if we are in fbdev mode we don't bother saving fonts */ + if ((fd = open ("/dev/fb0",O_RDWR)) != -1) { + close (fd); + return TRUE; + } + + if (!getfont(&width, &height, &charcount, NULL)) { + xf86Msg(X_WARNING, + "lnx_savefont: cannot obtain font info\n"); + goto error; + } else if (charcount == 2048) { + xf86Msg(X_WARNING, "lnx_savefont: " + "kernel bug: kernel doesn't report font info\n"); + return FALSE; + } + + size = (width + 7)/8 * 32 * charcount; + fontdata = (unsigned char *)xnfalloc(size); + if (!fontdata) { + xf86Msg(X_WARNING, + "lnx_savefont: cannot allocate memory to save font\n"); + goto error; + } + + if (!getfont(&width, &height, &charcount, fontdata)) { + xf86Msg(X_WARNING,"lnx_savefont: cannot read font data\n"); + goto error; + } + lnxfont.width = width; + lnxfont.height = height; + lnxfont.charcount = charcount; + lnxfont.data = fontdata; + + return TRUE; + + error: + return FALSE; +} + +static Bool +setfont(int width, int height, + int charcount, unsigned char *data) +{ + struct console_font_op op; + struct consolefontdesc ds; + int result; + + op.op = KD_FONT_OP_SET; + op.flags = 0; + op.charcount = charcount; + op.width = width; + op.height = height; + op.data = data; + + SYSCALL(result = ioctl(xf86Info.consoleFd, KDFONTOP, &op)); + + if (!result) + return TRUE; + + if (errno != ENOSYS && errno != EINVAL) + return FALSE; + + /* PIO_FONTX fallback */ + if (width != 8) + return FALSE; + + ds.charcount = charcount; + ds.chardata = (char *)data; + ds.charheight = height; + SYSCALL(result = ioctl(xf86Info.consoleFd, PIO_FONTX, &ds)); + + if (!result) + return TRUE; + + if (errno != ENOSYS && errno != EINVAL) + return FALSE; + + /* PIO_FONT fallback */ + SYSCALL(result = ioctl(xf86Info.consoleFd, PIO_FONT, data)); + + if (!result) + return TRUE; + + return FALSE; +} + +Bool +lnx_restorefont(void) +{ + if (lnxfont.data == NULL) + return FALSE; +#ifdef DEBUG + ErrorF("RESTORE font\n"); +#endif +#if 0 + /* must wack the height to make the kernel reprogram the VGA registers */ + if (!setfont(lnxfont.width, lnxfont.height + 1, lnxfont.charcount, + lnxfont.data)) { + xf86Msg(X_WARNING,"lnx_fontretore: cannot write font data\n"); + return FALSE; + } +#endif + if (!setfont(lnxfont.width, lnxfont.height, lnxfont.charcount, + lnxfont.data)) { + xf86Msg(X_WARNING,"lnx_restorefont: cannot write font data\n"); + return FALSE; + } + + return TRUE; +} + +Bool +lnx_switchaway(void) +{ + Bool ret; + + /* temporarily switch to text mode */ + ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT); + ret = lnx_restorefont(); + ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS); + return ret; +} + +void +lnx_freefontdata(void) +{ + if (lnxfont.data == NULL) + return; + + xfree(lnxfont.data); + lnxfont.data = NULL; + lnxfont.width = lnxfont.height = lnxfont.charcount = 0; +} |