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#!perl -w
######################### We start with some black magic to print on failure.
# this used to do the check for the load of Imager, but I want to be able
# to count tests, which means I need to load Imager first
# since many of the early tests already do this, we don't really need to
use strict;
use Imager;
use IO::Seekable;
my $buggy_giflib_file = "buggy_giflib.txt";
-d "testout" or mkdir "testout";
Imager::init("log"=>"testout/t50basicoo.log");
# single image/file types
my @types = qw( jpeg png raw pnm gif tiff bmp tga );
# multiple image/file formats
my @mtypes = qw(tiff gif);
my %hsh=%Imager::formats;
my $test_num = 0;
my $count;
for my $type (@types) {
$count += 31 if $hsh{$type};
}
for my $type (@mtypes) {
$count += 7 if $hsh{$type};
}
print "1..$count\n";
print "# avaliable formats:\n";
for(keys %hsh) { print "# $_\n"; }
#print Dumper(\%hsh);
my $img = Imager->new();
my %files;
@files{@types} = ({ file => "JPEG/testimg/209_yonge.jpg" },
{ file => "testimg/test.png" },
{ file => "testimg/test.raw", xsize=>150, ysize=>150, type=>'raw', interleave => 0},
{ file => "testimg/penguin-base.ppm" },
{ file => "GIF/testimg/expected.gif" },
{ file => "TIFF/testimg/comp8.tif" },
{ file => "testimg/winrgb24.bmp" },
{ file => "testimg/test.tga" }, );
my %writeopts =
(
gif=> { make_colors=>'webmap', translate=>'closest', gifquant=>'gen',
gif_delay=>20 },
);
for my $type (@types) {
next unless $hsh{$type};
print "# type $type\n";
my %opts = %{$files{$type}};
my @a = map { "$_=>${opts{$_}}" } keys %opts;
print "#opening Format: $type, options: @a\n";
ok($img->read( %opts ), "reading from file", $img);
#or die "failed: ",$img->errstr,"\n";
my %mopts = %opts;
delete $mopts{file};
# read from a file handle
my $fh = IO::File->new($opts{file}, "r");
if (ok($fh, "opening $opts{file}")) {
binmode $fh;
my $fhimg = Imager->new;
if (ok($fhimg->read(fh=>$fh, %mopts), "read from fh")) {
ok($fh->seek(0, SEEK_SET), "seek after read");
if (ok($fhimg->read(fh=>$fh, %mopts, type=>$type), "read from fh")) {
ok(Imager::i_img_diff($img->{IMG}, $fhimg->{IMG}) == 0,
"image comparison after fh read");
}
else {
skip("no image to compare");
}
ok($fh->seek(0, SEEK_SET), "seek after read");
}
# read from a fd
my $fdimg = Imager->new;
if (ok($fdimg->read(fd=>fileno($fh), %mopts, type=>$type), "read from fd")) {
ok(Imager::i_img_diff($img->{IMG}, $fdimg->{IMG}) == 0,
"image comparistion after fd read");
}
else {
skip("no image to compare");
}
ok($fh->seek(0, SEEK_SET), "seek after fd read");
ok($fh->close, "close fh after reads");
}
else {
skip("couldn't open the damn file: $!", 7);
}
# read from a memory buffer
open DATA, "< $opts{file}"
or die "Cannot open $opts{file}: $!";
binmode DATA;
my $data = do { local $/; <DATA> };
close DATA;
my $bimg = Imager->new;
if (ok($bimg->read(data=>$data, %mopts, type=>$type), "read from buffer",
$img)) {
ok(Imager::i_img_diff($img->{IMG}, $bimg->{IMG}) == 0,
"comparing buffer read image");
}
else {
skip("nothing to compare");
}
# read from callbacks, both with minimum and maximum reads
my $buf = $data;
my $seekpos = 0;
my $reader_min =
sub {
my ($size, $maxread) = @_;
my $out = substr($buf, $seekpos, $size);
$seekpos += length $out;
$out;
};
my $reader_max =
sub {
my ($size, $maxread) = @_;
my $out = substr($buf, $seekpos, $maxread);
$seekpos += length $out;
$out;
};
my $seeker =
sub {
my ($offset, $whence) = @_;
#print "io_seeker($offset, $whence)\n";
if ($whence == SEEK_SET) {
$seekpos = $offset;
}
elsif ($whence == SEEK_CUR) {
$seekpos += $offset;
}
else { # SEEK_END
$seekpos = length($buf) + $offset;
}
#print "-> $seekpos\n";
$seekpos;
};
my $cbimg = Imager->new;
ok($cbimg->read(callback=>$reader_min, seekcb=>$seeker, type=>$type, %mopts),
"read from callback min", $cbimg);
ok(Imager::i_img_diff($cbimg->{IMG}, $img->{IMG}) == 0,
"comparing mincb image");
$seekpos = 0;
ok($cbimg->read(callback=>$reader_max, seekcb=>$seeker, type=>$type, %mopts),
"read from callback max", $cbimg);
ok(Imager::i_img_diff($cbimg->{IMG}, $img->{IMG}) == 0,
"comparing maxcb image");
}
for my $type (@types) {
next unless $hsh{$type};
print "# write tests for $type\n";
# test writes
next unless $hsh{$type};
my $file = "testout/t50out.$type";
my $wimg = Imager->new;
# if this doesn't work, we're so screwed up anyway
ok($wimg->read(file=>"testimg/penguin-base.ppm"),
"cannot read base file", $wimg);
# first to a file
print "# writing $type to a file\n";
my %extraopts;
%extraopts = %{$writeopts{$type}} if $writeopts{$type};
ok($wimg->write(file=>$file, %extraopts),
"writing $type to a file $file", $wimg);
print "# writing $type to a FH\n";
# to a FH
my $fh = IO::File->new($file, "w+")
or die "Could not create $file: $!";
binmode $fh;
ok($wimg->write(fh=>$fh, %extraopts, type=>$type),
"writing $type to a FH", $wimg);
ok($fh->seek(0, SEEK_END) > 0,
"seek after writing $type to a FH");
ok(print($fh "SUFFIX\n"),
"write to FH after writing $type");
ok($fh->close, "closing FH after writing $type");
if (ok(open(DATA, "< $file"), "opening data source")) {
binmode DATA;
my $data = do { local $/; <DATA> };
close DATA;
# writing to a buffer
print "# writing $type to a buffer\n";
my $buf = '';
ok($wimg->write(data=>\$buf, %extraopts, type=>$type),
"writing $type to a buffer", $wimg);
$buf .= "SUFFIX\n";
open DATA, "> testout/t50_buf.$type"
or die "Cannot create $type buffer file: $!";
binmode DATA;
print DATA $buf;
close DATA;
ok($data eq $buf, "comparing file data to buffer");
$buf = '';
my $seekpos = 0;
my $did_close;
my $writer =
sub {
my ($what) = @_;
if ($seekpos > length $buf) {
$buf .= "\0" x ($seekpos - length $buf);
}
substr($buf, $seekpos, length $what) = $what;
$seekpos += length $what;
$did_close = 0; # the close must be last
1;
};
my $reader_min =
sub {
my ($size, $maxread) = @_;
my $out = substr($buf, $seekpos, $size);
$seekpos += length $out;
$out;
};
my $reader_max =
sub {
my ($size, $maxread) = @_;
my $out = substr($buf, $seekpos, $maxread);
$seekpos += length $out;
$out;
};
use IO::Seekable;
my $seeker =
sub {
my ($offset, $whence) = @_;
#print "io_seeker($offset, $whence)\n";
if ($whence == SEEK_SET) {
$seekpos = $offset;
}
elsif ($whence == SEEK_CUR) {
$seekpos += $offset;
}
else { # SEEK_END
$seekpos = length($buf) + $offset;
}
#print "-> $seekpos\n";
$seekpos;
};
my $closer = sub { ++$did_close; };
print "# writing $type via callbacks (mb=1)\n";
ok($wimg->write(writecb=>$writer, seekcb=>$seeker, closecb=>$closer,
readcb=>$reader_min,
%extraopts, type=>$type, maxbuffer=>1),
"writing $type to callback (mb=1)", $wimg);
ok($did_close, "checking closecb called");
$buf .= "SUFFIX\n";
ok($data eq $buf, "comparing callback output to file data");
print "# writing $type via callbacks (no mb)\n";
$buf = '';
$did_close = 0;
$seekpos = 0;
# we don't use the closecb here - used to make sure we don't get
# a warning/error on an attempt to call an undef close sub
ok($wimg->write(writecb=>$writer, seekcb=>$seeker, readcb=>$reader_min,
%extraopts, type=>$type),
"writing $type to callback (no mb)", $wimg);
$buf .= "SUFFIX\n";
ok($data eq $buf, "comparing callback output to file data");
}
else {
skip("couldn't open data source", 7);
}
}
my $img2 = $img->crop(width=>50, height=>50);
$img2 -> write(file=> 'testout/t50.ppm', type=>'pnm');
undef($img);
# multi image/file tests
print "# multi-image write tests\n";
for my $type (@mtypes) {
next unless $hsh{$type};
print "# $type\n";
my $file = "testout/t50out.$type";
my $wimg = Imager->new;
# if this doesn't work, we're so screwed up anyway
ok($wimg->read(file=>"testout/t50out.$type"),
"reading base file", $wimg);
ok(my $wimg2 = $wimg->copy, "copying base image", $wimg);
ok($wimg2->flip(dir=>'h'), "flipping base image", $wimg2);
my @out = ($wimg, $wimg2);
my %extraopts;
%extraopts = %{$writeopts{$type}} if $writeopts{$type};
ok(Imager->write_multi({ file=>"testout/t50_multi.$type", %extraopts },
@out),
"writing multiple to a file", "Imager");
# make sure we get the same back
my @images = Imager->read_multi(file=>"testout/t50_multi.$type");
if (ok(@images == @out, "checking read image count")) {
for my $i (0 .. $#out) {
my $diff = Imager::i_img_diff($out[$i]{IMG}, $images[$i]{IMG});
print "# diff $diff\n";
ok($diff == 0, "comparing image $i");
}
}
else {
skip("wrong number of images read", 2);
}
}
Imager::malloc_state();
#print "ok 2\n";
sub ok {
my ($ok, $msg, $img, $why, $skipcount) = @_;
++$test_num;
if ($ok) {
print "ok $test_num # $msg\n";
Imager::i_log_entry("ok $test_num # $msg\n", 0);
}
else {
my $err;
$err = $img->errstr if $img;
# VMS (if we ever support it) wants the whole line in one print
my $line = "not ok $test_num # line ".(caller)[2].": $msg";
$line .= ": $err" if $err;
print $line, "\n";
Imager::i_log_entry($line."\n", 0);
}
skip($why, $skipcount) if defined $why;
$ok;
}
sub skip {
my ($why, $skipcount) = @_;
$skipcount ||= 1;
for (1.. $skipcount) {
++$test_num;
print "ok $test_num # skipped $why\n";
}
}
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