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Showing changing fonts.

This commit is contained in:
Sergiotarxz 2024-10-11 23:53:07 +02:00
parent 463f2161cd
commit 00a864d6f0
3 changed files with 41 additions and 13 deletions
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24
lib/Exd/DeviceToBluetooth.pm
View File

@ -27,6 +27,8 @@ has _guts_device => ( is => 'rw' );
has _tempdir => ( is => 'rw', );
has _obj => (is => 'lazy');
sub _device($self) {
if ( !defined $self->_guts_device ) {
$self->_tempdir( Path::Tiny->tempdir );
@ -59,14 +61,28 @@ sub lf($self) {
$self->_device->lf;
}
sub _build__obj($self) {
my $obj = Net::Bluetooth->newsocket('RFCOMM');
$self->_try_to_connect($obj);
return $obj;
}
sub print($self) {
$self->_device->print;
$self->_guts_device(undef);
my $obj = Net::Bluetooth->newsocket('RFCOMM');
if ( 0 != $obj->connect( $self->address, $self->port ) ) {
die 'Unable to connect to bluetooth';
}
my $obj = $self->_obj;
my $fh = $obj->perlfh;
print $fh path( $self->_tempfile )->slurp_raw;
}
sub _try_to_connect($self, $obj, $retries = 3) {
if ( 0 == $obj->connect( $self->address, $self->port ) ) {
return;
}
if ($retries == 0) {
die 'Unable to connect to bluetooth';
}
sleep 1;
return $self->_try_to_connect($obj, $retries - 1);
}
1;

1
lib/Exd/Printer.pm
View File

@ -329,7 +329,6 @@ sub print_text( $self, $text, $font_size ) {
my $scale_h = $font_size / $ori_height;
$cr->save;
$cr->scale( $scale_w, $scale_h );
say ((($metrics->get_ascent / 1024 )));
$cr->set_source_surface(
$image,
$x / $scale_w,

19
scripts/demo.pl
View File

@ -13,17 +13,30 @@ use Exd::Utils;
{
# my $device = Exd::DeviceToBluetooth->new( address => '5A:4A:AE:8C:E9:D2', port => 1 );
my $device = Exd::DeviceToImage->new( output_file => 'a.png' );
my $device =
Exd::DeviceToImage->new( output_file => 'a.png' );
my $printer = Exd::Printer->new( device => $device );
$printer->font('Z003 Medium Italic');
for my $font (
'Z003 Medium Italic',
'Noto Sans CJK JP',
'Shadow Into Light Regular'
)
{
$printer->font($font);
my $hoz = Exd::Utils::get_gd_image('scripts/hoz.jpg');
$printer->print_text(
[ $hoz, 'The best software belongs to everybody', $hoz ], 40 );
[
$hoz, ' The best software ' , $hoz , ' belongs to everybody ',
$hoz
],
30
);
$printer->image('scripts/hoz.jpg');
$printer->print_n_lf(4);
$printer->print;
}
}