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BBBikeHeavy.pm
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BBBikeHeavy.pm
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# -*- perl -*-
#
# Author: Slaven Rezic
#
# Copyright (C) 2003,2016,2020,2023,2024 Slaven Rezic. All rights reserved.
# This package is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
#
# Mail: slaven@rezic.de
# WWW: http://www.rezic.de/eserte/
#
package BBBikeHeavy;
$VERSION = '1.44';
package main;
use strict;
use BBBikeGlobalVars;
use BBBikeUtil qw(STAT_MODTIME);
BEGIN {
if (!defined &M) {
eval 'sub M ($) { @_ }'; warn $@ if $@;
}
}
# Automatisches Scrolling, wenn der Benutzer die Maus zum Rand des Canvases
# bewegt.
### AutoLoad Sub
sub BBBikeHeavy::start_followmouse {
# Bei Versionen bis einschließlich 800.013 kann man mit dieser
# Funktion Tk zum Absturz bringen.
# Hmmm... anscheinend auch mit 800.022 schlecht. containing() scheint
# böse zu sein. Aber 803.023 scheint zu gehen...
return $Tk::VERSION < 803;
stop_followmouse(); # vorsichtshalber...
my $scroll_lock;
my $followmouse_last;
my $set_scroll_lock = sub {
$scroll_lock = $c->after(100,
sub { undef $scroll_lock });
};
$followmouse_repeat = $c->repeat
(10, sub {
return if !$c;
my $e = $c->XEvent;
return if $scroll_lock or !$e;
# XXX Das hier scheint böse zu sein:
my $under_w = $c->containing($e->X, $e->Y);
if (!defined $under_w or $under_w ne $c) {
undef $followmouse_last;
return;
}
my($x, $y) = ($e->x, $e->y);
my $real_canvas_width = $c->width;
my $real_canvas_height = $c->height;
my $pad = 30;
if ($x < $pad) {
$c->xview(scroll => -1, 'units');
$set_scroll_lock->();
}
if ($y < $pad) {
# Das Scrollen nach oben um 0.3 Sekunden verzögern, weil
# der Benutzer evtl. nur das Menü erreichen wollte.
my $now = Tk::timeofday();
if (!defined $followmouse_last) {
$followmouse_last = $now;
return;
}
if (defined $followmouse_last and
$followmouse_last+.300 < $now ) {
} else {
return;
}
$c->yview(scroll => -1, 'units');
$set_scroll_lock->();
} else {
undef $followmouse_last;
}
if ($x > $real_canvas_width-$pad) {
$c->xview(scroll => +1, 'units');
$set_scroll_lock->();
}
if ($y > $real_canvas_height-$pad) {
$c->yview(scroll => +1, 'units');
$set_scroll_lock->();
}
});
}
### AutoLoad Sub
sub BBBikeHeavy::stop_followmouse {
if ($followmouse_repeat) {
$followmouse_repeat->cancel;
undef $followmouse_repeat;
}
}
# Dump an human-readable error message with error string $errstring for
# string eval'ed code $evalcode
sub BBBikeHeavy::string_eval_die {
my($errstring, $evalcode) = @_;
my($line) = $errstring =~ /line\s+(\d+)/;
if (defined $line) {
$line--; # human vs. machine numbering
my(@l) = split /\n/, $evalcode;
my $from_line = $line - 3; $from_line = 0 if $from_line < 0;
my $to_line = $line + 3; $to_line = $#l if $to_line > $#l;
status_message("$errstring\n" .
join("", map { sprintf "%4d %s\n", $_+1, $l[$_] } ($from_line .. $to_line)) .
"\n", "die");
} else {
status_message($errstring, "die");
}
}
### AutoLoad Sub
sub BBBikeHeavy::load_plugins {
my($pluginref) = @_;
my @plugins = grep {
if (BBBikeHeavy::is_obsolete_plugin($_)) {
warn "Plugin '$_' is obsolete, removing from list...\n";
0;
} else {
1;
}
} @$pluginref;
my @errors;
foreach my $plugin (@plugins) {
load_plugin($plugin, \@errors);
}
if (@errors) {
my $text = join("\n", map {$_->[0]} @errors);
my $type = $errors[0]->[1]; # should use the highest severity, but in this case everything's "err"
main::status_message($text, $type);
}
}
### AutoLoad Sub
sub BBBikeHeavy::load_plugin {
my($file, $errorref) = @_;
my @plugin_args;
if ($file =~ /^(.*)=(.*)$/) {
$file = $1;
#@plugin_args = split / /, $2;
require Text::ParseWords;
@plugin_args = Text::ParseWords::shellwords($2);
}
$file .= ".pm" if ($file !~ /\.pm$/);
my($mod) = fileparse($file, '\..*');
my $loading_error = 0;
my $add_error = sub {
my($text, $type) = @_;
if ($errorref) {
push @$errorref, [$text,$type];
} else {
main::status_message($text, $type);
}
undef;
};
if (-r $file) {
do $file or do {
return $add_error->(Mfmt("Die Datei %s konnte nicht geladen werden: %s", $file, $@), "err");
};
$INC{"$mod.pm"} = $file;
} elsif (-r "$FindBin::RealBin/$file") {
do "$FindBin::RealBin/$file" or do {
return $add_error->(Mfmt("Die Datei %s konnte nicht geladen werden: %s", "$FindBin::RealBin/$file", $@), "err");
};
$INC{"$mod.pm"} = "$FindBin::RealBin/$file";
} else {
my $ok = 0;
if (!file_name_is_absolute($file)) {
foreach my $d (@INC) {
if (-r "$d/$file") {
do $file;
$INC{"$mod.pm"} = "$d/$file";
$ok = 1;
last;
}
}
}
if (!$ok) {
# maybe plugin moved into plugins directory?
my $base = basename($file);
my $plugins_path = "$FindBin::RealBin/plugins/$base";
if (-r $plugins_path) {
do $plugins_path or do {
return $add_error->(Mfmt("Die Datei %s konnte nicht geladen werden: %s", $plugins_path, $@), "err");
};
$INC{"mod.pm"} = $plugins_path;
$ok = 1;
}
}
if (!$ok) {
eval 'require $file';
if ($@) {
my $err = $@;
return $add_error->(Mfmt("Die Datei %s konnte nicht geladen werden. Grund: %s", $file, $@), "err");
}
}
}
eval $mod.'::register(@plugin_args)';
if ($@) {
return $add_error->(Mfmt("Das Plugin %s konnte nicht registriert werden. Grund: %s", $mod, $@), "err");
}
1;
}
sub BBBikeHeavy::is_obsolete_plugin {
my $plugin_spec = shift;
my($file) = $plugin_spec =~ /^(.*)(?:=.*|)$/;
if ($file =~ m{\b(
AltBerlin\.pm
| OpenWeatherMap\.pm
)$}x) {
1;
} else {
0;
}
}
sub BBBikeHeavy::layer_editor {
require Tk::LayerEditorToplevel;
Tk::LayerEditorToplevel->VERSION(0.11);
require Tk::LayerEditorCore;
Tk::LayerEditorCore->VERSION(0.15);
# XXX max. 1 layereditor öffnen bzw. Änderungen per Hooks an andere
# editoren propagieren
my @elem;
my $reorder_elems = sub {
@elem = (
{'Image' => $ampel_klein_photo,
'Text' => M"Ampeln",
'Visible' => $p_draw{'lsa'},
'Data' => {Tag => 'lsa-fg',
Type => 'p',
Subtype => 'lsa',
}
},
{'Image' => $search_photo,
'Text' => M"Route",
'Visible' => (@realcoords > 0),
'Data' => {Group => 'route',}
},
{'Image' => $strasse_photo,
'Text' => M"Straßen",
'Visible' => $str_draw{'s'},
'Data' => {Group => 'str_s',
Type => 's',
Subtype => 's',
}
},
{'Image' => $landstrasse_photo,
'Text' => M"Landstraßen",
'Visible' => $str_draw{'l'},
'Data' => {Group => 'str_l',
Type => 's',
Subtype => 'l',
}
},
{'Image' => $ort_photo,
'Text' => M"Orte",
'Visible' => $p_draw{'o'},
'Data' => {Group => 'p_o',
Type => 'p',
Subtype => 'o',
}
},
{'Image' => $ubahn_photo,
'Text' => M"U-Bahn",
'Visible' => $str_draw{'u'},
'Data' => {Group => 'str_u',
Type => 's',
Subtype => 'u',
}
},
{'Image' => $sbahn_photo,
'Text' => M"S-Bahn",
'Visible' => $str_draw{'b'},
'Data' => {Group => 'str_b',
Type => 's',
Subtype => 'b',
}
},
{'Image' => $rbahn_photo,
'Text' => M"Regionalbahn",
'Visible' => $str_draw{'r'},
'Data' => {Group => 'str_r',
Type => 's',
Subtype => 'r',
}
},
{'Image' => $wasser_photo,
'Text' => M"Gewässser",
'Visible' => $str_draw{'w'},
'Data' => {Group => 'str_w',
Type => 's',
Subtype => 'w',
}
},
{'Image' => $flaechen_photo,
'Text' => M"Flächen",
'Visible' => $str_draw{'f'},
'Data' => {Group => 'str_f',
Type => 's',
Subtype => 'f',
}
},
{'Text' => M"Grenzen von Berlin",
'Visible' => $str_draw{'g'},
'Data' => {Group => 'str_g',
Type => 's',
Subtype => 'g',
}
},
{'Text' => M"Grenzen von Potsdam",
'Visible' => $str_draw{'gP'},
'Data' => {Group => 'str_g',
Type => 's',
Subtype => 'gP',
}
},
{'Text' => M"Staatsgrenzen",
'Visible' => $str_draw{'gD'},
'Data' => {Group => 'str_g',
Type => 's',
Subtype => 'gD',
}
},
{'Text' => M"Kneipen etc.",
'Visible' => $p_draw{'kn'},
'Data' => {Group => 'p_kn',
Type => 'p',
Subtype => 'kn',
}
},
{'Text' => M"Sehenswürdigkeiten",
'Image' => $star_photo,
'Visible' => $str_draw{'v'},
'Data' => {Group => 'v',
Type => 's',
Subtype => 'v',
}
},
##XXX toggling won't work with this definition alone
# {'Text' => M"Persönliche Orte",
# 'Visible' => $p_draw{'personal'},
# 'Data' => {Tag => 'personal-fg',
# Type => 'p',
# Subtype => 'personal',
# }
# },
);
if ($advanced) {
push @elem, {Image => undef,
Text => 'pp',
Visible => $p_draw{'pp'},
Data => {Tag => 'pp',
Type => 'p',
Subtype => 'pp',
}
};
push @elem, {Image => undef,
Text => '?',
Visible => $str_draw{'fz'},
Data => {Tag => 'fz',
Type => 's',
Subtype => 'fz',
}
};
}
while(my($abk, $val) = each %str_draw) {
next if $abk !~ /^L\d/;
if ($val && (defined $str_file{$abk} || $str_obj{$abk})) {
my $layer_name = $layer_name{$abk}; $layer_name = "Layer $abk" if !defined $layer_name ;
if (defined $str_file{$abk}) {
$layer_name .= " (" .basename($str_file{$abk}).")";
}
push @elem,
{Image => $layer_icon{$abk},
Text => $layer_name,
Visible => $val,
Data => {Tag => "$abk", # XXX apparently without "-s"
Type => 's',
Subtype => $abk,
}
};
}
}
while(my($abk, $val) = each %p_draw) {
next if $abk !~ /^L\d/;
if ($val && (defined $p_file{$abk} || $p_obj{$abk})) {
my $layer_name = $layer_name{$abk}; $layer_name = "Layer $abk" if !defined $layer_name;
if (defined $p_file{$abk}) {
$layer_name .= " (" .basename($p_file{$abk}).")";
}
push @elem,
{Image => $layer_icon{$abk},
Text => $layer_name,
Visible => $val,
Data => {Tags => [$abk, "$abk-fg", "$abk-img", "$abk-label"],
Type => 'p',
Subtype => $abk,
}
};
}
}
push @elem,
{Image => undef,
Text => "Personal",
Visible => \$BBBikePersonal::show_places,
Data => {Tags => ["personal-label", "personal-fg"],
Type => 'p',
Subtype => 'personal',
}
};
my $score = 0;
my %score;
foreach (reverse real_stack_order()) {
$score{$_} = $score;
$score++;
}
# using ST :-)
@elem = map { $_->[1] }
sort { $a->[0] <=> $b->[0] }
map {
if (exists $tag_group{$_->{Data}{Group}} &&
defined $tag_group{$_->{Data}{Group}} &&
exists $score{$tag_group{$_->{Data}{Group}}->[0]}
) {
[$score{$tag_group{$_->{Data}{Group}}->[0]}, $_]
} else {
my $tag = ($_->{Data}{Tags}
? $_->{Data}{Tags}[0]
: $_->{Data}{Tag});
#XXXvvv del: sollten keine warnings mehr auftreten
if (!defined $tag) {
warn "Tag is undefined for: ";
require Data::Dumper; print STDERR "Line " . __LINE__ . ", File: " . __FILE__ . "\n" . Data::Dumper->new([$_],[])->Indent(1)->Useqq(1)->Dump; # XXX
}
#XXX^^^
[$score{$tag}, $_] # XXX oder 0?
}
} @elem;
};
$reorder_elems->();
my $bbl = $top->LayerEditorToplevel
(-title => M"Layer-Editor",
-closelabel => M"Schließen",
-orderchange => sub {
my $items = $_[1];
foreach my $item (reverse @$items) {
if (defined $item->{Data}{Group} && exists $tag_group{$item->{Data}{Group}}) {
foreach (@{ $tag_group{$item->{Data}{Group}} }) {
special_raise($_, 1);
}
} elsif (defined $item->{Data}{Tags}) {
foreach (@{ $item->{Data}{Tags} }) {
special_raise($_, 1);
}
} elsif (defined $item->{Data}{Tag}) {
special_raise($item->{Data}{Tag}, 1);
}
}
restack()
},
-visibilitychange => sub {
my($w, $data, $vis) = @_;
if (defined $data->{Group} && $data->{Group} eq 'route') {
if ($vis) {
# do nothing...
} else {
reset_button_command();
}
} elsif ($data->{Subtype} eq 'personal') {
$BBBikePersonal::show_places = $vis;
if (defined &BBBikePersonal::toggle_show) {
BBBikePersonal::toggle_show();
}
} else {
eval "\$" . ($data->{Type} eq 's' ? 'str' : 'p') .
'_draw{"' . $data->{Subtype} . '"} = ' .
($vis ? "1" : "0");
warn __LINE__ . ": $@" if $@;
if (exists $check_sub{$data->{Subtype}}) {
$check_sub{$data->{Subtype}}->();
} else {
if ($data->{Type} eq 'p') {
plot('p',$data->{Subtype});
} else {
plot('str',$data->{Subtype});
}
}
}
},
-transient => $top,
);
$bbl->add(@elem);
$bbl->expand_to_visible if $bbl->can('expand_to_visible');
# Popup menu
my $bbl_menu = $top->Menu(-tearoff => 0);
$bbl_menu->add('command',
-label => 'Show list',
-command => sub {
my $data = $bbl_menu->{current_item_data};
if ($data) {
my($type, $subtype) = @{$data}{qw(Type Subtype)};
if (defined $type && defined $subtype) {
choose_ort($type, $subtype);
return;
}
}
require Data::Dumper;
$bbl->messageBox(-message => "Cannot show list for current item.\nInternal data: " . Data::Dumper::Dumper($data),
-icon => 'error');
},
);
my $bbl_canvas = $bbl->get_canvas;
$bbl_canvas->Tk::bind('<Button-3>' => sub {
my($idx) = $bbl->get_item_index;
if (defined $idx) {
$bbl_menu->{current_item_data} = $bbl->{Items}[$idx]{Data};
$bbl_menu->Popup(-popover => 'cursor', -popanchor => 'nw');
}
});
# Hooks
my $bblpath = $bbl->PathName;
for my $hook (qw(after_new_layer after_delete_layer)) {
Hooks::get_hooks($hook)->add
(sub {
$reorder_elems->();
$bbl->add(@elem);
}, $bblpath);
}
$bbl->OnDestroy
(sub {
# Maybe something was deleted/added, so call the hooks
for my $hook (qw(after_new_layer after_delete_layer)) {
Hooks::get_hooks($hook)->execute_except($bblpath);
}
# Finally delete
for my $hook (qw(after_new_layer after_delete_layer)) {
Hooks::get_hooks($hook)->del($bblpath);
}
});
}
# Funktionen für Darstellung einer berlinmap-Karte
# XXX mehr in eval einklammern
### AutoLoad Sub
sub BBBikeHeavy::getmap {
my($x, $y, $type, %args) = @_;
if (!defined $x) {
my($px, $py) = $c->pointerxy;
$px -= $c->rootx;
$py -= $c->rooty;
($x, $y) = ($c->canvasx($px), $c->canvasy($py));
}
if ($dont_delete_map && !$args{'-from_check'}) {
push @map_surround_img, $map_img;
undef $map_img;
} else {
delete_map();
}
if (!$map_draw) {
return;
}
my $rotate_cmd = '';
if (0 && $orientation eq 'portrait') { # XXXXXX
$rotate_cmd = ' | pnmrotate -noantialias 90 ';
} elsif ($orientation ne 'landscape') {
status_message(M"Die Karte kann nur im Landscape-Modus gezeichnet werden.", 'warn');
$map_draw = 0;
return;
}
if (!defined $type) {
$type = $map_default_type;
}
if (!$args{-fallback} && $use_map_fallback) {
$args{-fallback} = [ grep { $_ ne $type }
"b2002", "b2003", "b2004", "brbmap", "de2002"
];
}
my $o = $Karte::map{$type};
if (!defined $o) {
$map_draw = 0;
die Mfmt("Dem Kartentyp %s kann kein Objekt zugeordnet werden", $type);
}
my $width = $o->width;
my $height = $o->height;
my $bx1 = $o->x1;
my $by2 = $o->y2;
my $toppm = $o->to_ppm;
my($mapx, $mapy, $mapxx, $mapyy);
if ($coord_system eq 'standard') {
my($tx,$ty);
if ($type eq 'brbmap' || $type eq 'de2002') { # XXX Check for available resources??? Also valid for other map types???
my $c = join(",", anti_transpose($x, $y));
local @INC = (@INC, "$FindBin::RealBin/miscsrc");
require "convert_berlinmap.pl";
my $ret;
for my $ref_dist (qw(10000 20000 40000 80000 160000 320000)) {
$ret = BBBike::Convert::process
(-datafromany => "$FindBin::RealBin/misc/gps_correction_all.dat",
-refpoint => "$c,$ref_dist",
'-reverse',
'-nooutput', '-reusemapdata',
);
last if ($ret && $ret->{Count} >= 5);
}
if ($ret) {
my $k_obj = Karte::create_obj("Karte::Custom", %$ret);
my $new_c = join(",", map { int }
$o->standard2map
($k_obj->standard2map(split/,/, $c)));
($tx,$ty) = split /,/, $new_c;
}
} else {
($tx,$ty) = $o->standard2map(anti_transpose($x, $y));
}
($mapx, $mapy, $mapxx, $mapyy) = $o->coord($tx, $ty);
} elsif ($coord_system eq $type) {
($mapx, $mapy, $mapxx, $mapyy) = $o->coord(anti_transpose($x, $y));
} else {
($mapx, $mapy, $mapxx, $mapyy) = $o->coord($coord_system_obj->map2map($o, anti_transpose($x, $y)));
($bx1,$by2) = ($o->x1/$coord_system_obj->x1,
$o->y2/$coord_system_obj->y2);
status_message("Transformation $coord_system nach $type", 'info');
}
# if ($orientation eq 'portrait') {
# my $swap = $mapxx;
# $mapxx = $mapyy;
# $mapyy = $swap;
# }
#warn "x,y=$x, $y; anti_transpose=" . anti_transpose($x, $y)."mapx/y=($mapx, $mapy, $mapxx, $mapyy)";
# XXX da berlinmap-Koordinaten gegenüber den Standard-Koordinaten (Hafas)
# gedreht sind, stimmt die Karte mit den Vektoren an den Rändern
# nicht mehr überein.
my($newwidth, $newheight);
my($deltax, $deltay);
{
my($xx, $yy); # Zuweisung weiter oben machen XXX
if ($coord_system eq 'standard' ||
($coord_system ne $type)) {
($xx, $yy) = ($bx1, $by2);
} else {
($xx, $yy) = (1, 1);
}
my($x0, $y0, $x1, $y1, $xd, $yd) =
(transpose(0, 0),
transpose($width * $xx,
$height * $yy),
transpose($mapxx * $xx,
$mapyy * $yy),
);
($newwidth, $newheight) = map { int } (abs($x1-$x0), abs($y1-$y0));
($deltax, $deltay) = (abs($xd-$x0), abs($yd-$y0));
}
my $filename = get_file_or_url($o, $mapx, $mapy);
## XXX geht nicht :(
# # Hack: lieber XPM statt GIF verwenden, weil schneller und 8bit
# if ($filename =~ m|^(.*map)/(...)\.gif$|) {
# my($dir, $coord) = ($1, $2);
# my $xpmfile = $dir . "_xpm/$coord.xpm.gz";
# if (-f $xpmfile) {
# require Tk::Pixmap;
# $filename = "$tmpdir/$coord.xpm";
# system("zcat $xpmfile > $filename");
# $tmpfiles{$filename}++;
# $toppm = "xpmtoppm";
# }
# }
my $tmpfile;
if (! -r $filename || ! -f $filename) {
warn "Map $filename non-existent!\n";
if ($devel_host) {
if ($type eq 'brbmap' && -d "$FindBin::RealBin/misc") {
eval q{
use DB_File;
use Fcntl;
my %gismap;
tie %gismap, 'DB_File', "$FindBin::RealBin/misc/gismap_missing",
O_CREAT|O_RDWR, 0644, $DB_HASH;
$gismap{$filename}++;
untie %gismap;
};
}
warn __LINE__ . ": $@" if $@;
}
if ($args{-fallback} && @{ $args{-fallback} }) {
my $new_type = shift @{ $args{-fallback} };
warn "Try fallback type $new_type...\n";
return getmap($x, $y, $new_type, %args);
}
if ($devel_host) {
$c->createRectangle($x-$deltax, $y-$deltay,
$x+$newwidth-$deltax, $y+$newheight-$deltay,
-fill => 'white',
-outline => 'red', -tags => 'map');
if ($o->can("coord_from_filename")) {
my $ci = $o->coord_from_filename($filename);
if (defined $ci) {
$c->createText($x+$newwidth/2-$deltax,
$y+$newheight/2-$deltay,
-anchor => 'c',
-text => $ci,
-font => $font{tiny},
-tags => 'map');
}
}
}
restack_delayed();
if (0 && $type ne 'brbmap' && $map_default_type ne 'brbmap') { # XXXX ("0 &&")
getmap($x, $y, 'brbmap', -recursive => 1);
} elsif ($type ne 'berlinmap' && $map_default_type ne 'berlinmap') {
# getmap($x, $y, 'berlinmap', -recursive => 1);
} else {
$top->bell;
status_message(Mfmt("Die Datei <%s> existiert nicht.", $filename),
'warn');
$map_draw = 0;
}
# XXX what about map_surround?
goto CLEANUP;
}
$tmpfile = "$tmpdir/bbbikemap.$$";
my $too_big = sub {
if ($newwidth > 1400 || $newheight > 1000) {
status_message("Die Karte zu groß ($newwidth x $newheight) und wird nicht angezeigt", "info");
return 1;
}
0;
};
my $convert_image = sub {
my($filename, $nofail) = @_;
my $map_img;
if ($newwidth != $width ||
$newheight != $height ||
$rotate_cmd ne '' ||
$map_color =~ /^(mono|pixmap|gray)$/
) {
return if $too_big->();
my $cmd;
$cmd = "$toppm $filename " .
$rotate_cmd .
" | pnmscale -xsize $newwidth -ysize $newheight ";
if ($map_color eq 'color') {
$cmd .= " > $tmpfile";
} elsif ($map_color eq 'gray') {
$cmd .= " | ppmtopgm | ppmtobmp > $tmpfile";
} elsif ($map_color eq 'pixmap') {
$cmd .= " | ppmquant 256 | ppmtoxpm > $tmpfile";
} elsif ($map_color eq 'mono') {
$cmd .= " | ppmtopgm | pgmtopbm -floyd | pbmtoxbm > $tmpfile";
} else { die }
warn "Doing system <$cmd>\n" if $verbose;
system($cmd);
if ($?) {
return undef if $nofail;
status_message(Mfmt("Die Karte <%s> kann nicht mit " .
"<%s> und <pnmscale> " .
"konvertiert werden.", $filename, $toppm),
'warn');
$map_draw = 0;
goto CLEANUP;
}
eval {
$map_img = image_from_file($top, $tmpfile,
-colormode => $map_color,
-mimetype => "image/x-ppm");
};
warn $@ if $@;
} else {
eval {
$map_img = image_from_file($top, $filename,
-colormode => $map_color,
-mimetype => $o->mimetype);
};
warn $@ if $@;
}
$map_img;
};
status_message("");
$progress->Init; # (-dependents => $c);
IncBusy($top);
eval {
eval {
die "map_color=$map_color rotate_cmd=$rotate_cmd"
if $map_color ne 'color' or $rotate_cmd ne '';
die "newwidth=$newwidth width=$width " .
"newheight=$newheight height=$height"
if $newwidth == $width and $newheight == $height;
die "too big" if $too_big->();
require GfxConvert;
GfxConvert::transform_image($filename, $tmpfile,
-in_mime => $o->mimetype,
-out_mime => $o->mimetype,
-width => $newwidth,
-height => $newheight);
if ($o->mimetype eq 'image/png') {
require Tk::PNG;
} elsif ($o->mimetype eq 'image/jpeg') {
require Tk::JPEG;
} elsif ($o->mimetype eq 'image/tiff') {
require Tk::TIFF;
}
$map_img = $top->Photo(-file => $tmpfile);
};
warn __LINE__ . ": $@" if $@ and $verbose;
if ($@ || !defined $map_img) {
$map_img = $convert_image->($filename);
}
if (!defined $map_img && $@ !~ /too big/) {
status_message($@, 'warn');
$map_draw = 0;
return;
}
if ($verbose) {
warn "Create image $map_img at (", $x-$deltax, "/", $y-$deltay,
") with anchor nw";
}
$c->createImage($x-$deltax, $y-$deltay,
-image => $map_img,
-anchor => 'nw', -tags => ['map']);
if ($map_surround && !$o->noenvironment) {
$escape = 0;
my $progress_count = 1;
LOOP: foreach my $ix (-1 .. 1) {
foreach my $iy (-1 .. 1) {
next if $ix == 0 and $iy == 0;
$progress->Update($progress_count/9); $progress_count++;
last LOOP if ($escape);
my $filename = get_file_or_url($o,
$o->incx($mapx, $ix),
$o->incy($mapy, $iy));
next if ! -r $filename || ! -f $filename;
my $img = $convert_image->($filename, 'nofail');
next if !defined $img;
$c->createImage($x-$deltax+($ix*$newwidth),
$y-$deltay+($iy*$newheight),
-image => $img,
-anchor => 'nw', -tags => ['map']);
push @map_surround_img, $img;
}
}
}
restack_delayed();
};
CLEANUP:
unlink($tmpfile) if defined $tmpfile;
$progress->Finish;
DecBusy($top);
}
### AutoLoad Sub
sub BBBikeHeavy::get_file_or_url {
my($o, $mapx, $mapy) = @_;
my $filename;
TRY: {
TRYCACHE: {
# Cachefile verwenden, falls gewünscht und möglich
if ($use_wwwcache && $o->can('cache')) {
my $tmpfile = $o->cache($mapx, $mapy, 0);
# $tmpfile löschen? XXX überprüfen!
if (-f $tmpfile) {
$filename = $tmpfile;
last TRY; # Erfolg
}
}
}
my $get_by_lwp = sub {
if ($do_wwwmap && $o->can('url')) {
my $ua = get_user_agent();
if (!$ua) {
return; # kein Erfolg
}
my $res;
my $tmpurlfile;
my $content = "";
my $get_content = sub {
my($chunk, $res, $prot) = @_;
$top->update;
die "Aborted" if ($escape);
$content .= $chunk;
};
my $req_url = $o->url($mapx, $mapy);
return 0 if !defined $req_url;
IncBusy($top);
eval {
my $req = HTTP::Request->new('GET', $req_url);
$tmpurlfile = "$tmpdir/bbbike_url.$$";
print STDERR
Mfmt("Die URL <%s> wird geholt (LWP) ... ",
$req->url);
$escape = 0;
$res = $ua->request($req, $get_content, 1024);
};
DecBusy($top);
if (!defined $res || !$res->is_success || $content eq '') {
if (!$res) {
status_message(Mfmt("Keine Antwort von %s",
$req_url));
} else {
status_message($res->as_string);
}
return; # kein Erfolg
} else {
if (!open(TMP, ">$tmpurlfile")) {
status_message
(Mfmt("Kann auf %s nicht schreiben: %s",
$tmpurlfile, $!));
return;
}
binmode TMP;
print TMP $content;
close TMP;
}
print STDERR "OK\n";
$filename = $tmpurlfile;
$tmpfiles{$tmpurlfile}++;
# Cachefile erstellen
if ($use_wwwcache && $o->can('cache')) {
my $cachefile = $o->cache($mapx, $mapy, 1);
if ($cachefile) {
copy($filename, $cachefile);
}
}
return 1;
}
return 0;
};
# XXX %tk_widget-Lösung funktioniert nicht optimal
# besser mit fork, auch unter Win32, arbeiten!
# (aber zunächst unter win98 und winnt austesten!)
my $get_by_http_pm = sub {
if ($do_wwwmap && $o->can('url')) {
eval { require Http };
if ($@) {
status_message($@, 'warn') if $verbose;
return; # wirklich kein Erfolg
}
local $Http::tk_widget = $top;
local $Http::timeout = 4;
local $Http::user_agent = ["Mozilla/4.78 [de] (WinNT; U)",
"Mozilla/4.75 [de] (Win98)",
"Mozilla/4.77 (Win95)",
]->[rand(3)];
my %res;
my $tmpurlfile;
my $requrl = $o->url($mapx, $mapy);
return 0 if !defined $requrl;
# Popping up transient toplevels are bugging ---
# therefore a place()d frame is used.
my $abort_w = $top->Frame->place(-relx => 0.5, -rely => 0.5);
$abort_w->Button(-text => M"Abort WWW",
-command => sub {
$abortWWW = -1;
})->pack;
IncBusy($top);
eval {
$abort_w->raise if $abort_w; # over InputO widget
$tmpurlfile = "$tmpdir/bbbike_url.$$";