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package bootsplash;
use common;
use Xconfig::resolution_and_depth;
use vars qw(@ISA %EXPORT_TAGS);
@ISA = qw(Exporter);
%EXPORT_TAGS = (drawing => [qw(rectangle2xywh xywh2rectangle distance farthest nearest)]);
@EXPORT_OK = map { @$_ } values %EXPORT_TAGS;
my $themes_dir = "$::prefix/usr/share/bootsplash/themes";
my $themes_config_dir = "$::prefix/etc/bootsplash/themes";
my $sysconfig_file = "$::prefix/etc/sysconfig/bootsplash";
my $bootsplash_scripts = "$::prefix/usr/share/bootsplash/scripts";
my $default_theme = 'Mandrivalinux';
our $default_thumbnail = '/usr/share/libDrakX/pixmaps/nosplash_thumb.png';
our @resolutions = uniq(map { "$_->{X}x$_->{Y}" } Xconfig::resolution_and_depth::bios_vga_modes());
sub get_framebuffer_resolution {
require bootloader;
my $bootloader = bootloader::read();
my $x_res = Xconfig::resolution_and_depth::from_bios($bootloader->{default_vga});
$x_res ?
($x_res->{X} . 'x' . $x_res->{Y}, 1) :
(first(@resolutions), 0);
}
sub themes_read_sysconfig {
my ($res) = @_;
my %theme = (
name => $default_theme,
enabled => 1,
keep_logo => 1
);
if (-r $sysconfig_file) {
local $_;
foreach (cat_($sysconfig_file)) {
/^SPLASH=no/ and $theme{enabled} = 0;
/^THEME=(.*)/ && -f theme_get_image_for_resolution($1, $res) and $theme{name} = $1;
/^LOGO_CONSOLE=(.*)/ and $theme{keep_logo} = $1 ne "no";
}
}
\%theme;
}
sub theme_get_image_for_resolution {
my ($theme, $res) = @_;
$themes_dir . '/' . $theme . '/images/bootsplash-' . $res . ".jpg";
}
sub theme_get_config_for_resolution {
my ($theme, $res) = @_;
$themes_config_dir . '/' . $theme . '/config/bootsplash-' . $res . ".cfg";
}
sub theme_exists_for_resolution {
my ($theme, $res) = @_;
-f theme_get_image_for_resolution($theme, $res) && -f theme_get_config_for_resolution($theme, $res);
}
sub themes_list() {
grep { !/^\./ && -d $themes_dir } sort(all($themes_dir));
}
sub themes_list_for_resolution {
my ($res) = @_;
grep { theme_exists_for_resolution($_, $res) } themes_list();
}
sub switch {
my ($theme) = @_;
if ($::testing) {
print "enabling bootsplash theme $theme\n";
} else {
#- theme scripts will update SPLASH value in sysconfig file
system($bootsplash_scripts . '/switch-themes', $theme);
}
}
sub remove() {
if ($::testing) {
print "disabling bootsplash theme\n";
} else {
system($bootsplash_scripts . '/remove-theme');
}
}
sub set_logo_console {
my ($keep_logo) = @_;
my $logo_console = $keep_logo ? 'theme' : 'no';
substInFile { s/^LOGO_CONSOLE=.*/LOGO_CONSOLE=$logo_console/ } $sysconfig_file;
}
sub create_path {
my ($file) = @_;
require File::Basename;
my $dir = File::Basename::dirname($file);
-d $dir or mkdir_p($dir);
}
sub theme_set_image_for_resolution {
my ($name, $res, $source_image) = @_;
my $dest_image = theme_get_image_for_resolution($name, $res);
create_path($dest_image);
#- Append an exclamation point to the geometry to force the image size to exactly the size you specify.
system('convert', '-geometry', $res . '!', $source_image, $dest_image);
system($bootsplash_scripts . '/rewritejpeg', $dest_image);
}
sub theme_read_config_for_resolution {
my ($theme, $res) = @_;
+{ getVarsFromSh(theme_get_config_for_resolution($theme, $res)) };
}
sub theme_write_config_for_resolution {
my ($name, $res, $conf) = @_;
my $config = theme_get_config_for_resolution($name, $res);
create_path($config);
my $jpeg = theme_get_image_for_resolution($name, $res);
output($config,
qq(# This is the configuration file for the $res bootsplash picture
# this file is necessary to specify the coordinates of the text box on the
# splash screen.
# config file version
version=3
# should the picture be displayed?
state=1
# fgcolor is the text forground color.
# bgcolor is the text background (i.e. transparent) color.
fgcolor=7
bgcolor=0
# (tx, ty) are the (x, y) coordinates of the text window in pixels.
# tw/th is the width/height of the text window in pixels.
tx=$conf->{tx}
ty=$conf->{ty}
tw=$conf->{tw}
th=$conf->{th}
# name of the picture file (full path recommended)
jpeg=$jpeg
silentjpeg=$jpeg
progress_enable=1
overpaintok=1
LOGO_CONSOLE=$conf->{LOGO_CONSOLE}
));
}
sub rectangle2xywh {
my ($rect) = @_;
my $x = min($rect->[0]{X} , $rect->[1]{X});
my $y = min($rect->[0]{Y} , $rect->[1]{Y});
my $w = abs($rect->[0]{X} - $rect->[1]{X});
my $h = abs($rect->[0]{Y} - $rect->[1]{Y});
($x, $y, $w, $h);
}
sub xywh2rectangle {
my ($x, $y, $w, $h) = @_;
[ { X => $x, Y => $y }, { X => $x+$w, Y => $y+$w } ];
}
sub distance {
my ($p1, $p2) = @_;
sqr($p1->{X} - $p2->{X}) + sqr($p1->{Y} - $p2->{Y});
}
sub farthest {
my ($point, @others) = @_;
my $i = 0;
my $dist = 0;
my $farthest;
foreach (@others) {
my $d = distance($point, $_);
if ($d >= $dist) {
$dist = $d;
$farthest = $_;
}
}
$farthest;
}
sub nearest {
my ($point, @others) = @_;
my $i = 0;
my $dist;
my $nearest;
foreach (@others) {
my $d = distance($point, $_);
if (! defined $dist || $d < $dist) {
$dist = $d;
$nearest = $_;
}
}
$nearest;
}
1;
|
