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# Before "make install", this script should be runnable with "make test".
# After "make install" it should work as "perl t/PNG.t".
BEGIN {
$| = 1; print "1..7\n"; $Image::ExifTool::configFile = '';
require './t/TestLib.pm'; t::TestLib->import();
}
END {print "not ok 1\n" unless $loaded;}
# test 1: Load the module(s)
use Image::ExifTool 'ImageInfo';
use Image::ExifTool::PNG;
$loaded = 1;
print "ok 1\n";
my $testname = 'PNG';
my $testnum = 1;
# test 2: Extract information from PNG.png
{
++$testnum;
my $exifTool = Image::ExifTool->new;
my $info = $exifTool->ImageInfo('t/images/PNG.png');
print 'not ' unless check($exifTool, $info, $testname, $testnum);
print "ok $testnum\n";
}
# test 3: Write a bunch of new information to a PNG in memory
{
++$testnum;
my $exifTool = Image::ExifTool->new;
$exifTool->SetNewValuesFromFile('t/images/IPTC.jpg');
$exifTool->SetNewValuesFromFile('t/images/XMP.jpg');
$exifTool->SetNewValue('PNG:Comment'); # and delete a tag
$exifTool->SetNewValue('PixelsPerUnitX', 1234);
my $image;
my $rtnVal = $exifTool->WriteInfo('t/images/PNG.png', \$image);
# must ignore FileSize because size is variable (depends on Zlib availability)
my $info = $exifTool->ImageInfo(\$image, '-filesize');
my $testfile = "t/${testname}_${testnum}_failed.png";
if (check($exifTool, $info, $testname, $testnum)) {
unlink $testfile; # erase results of any bad test
} else {
# save the bad image
open(TESTFILE,">$testfile");
binmode(TESTFILE);
print TESTFILE $image;
close(TESTFILE);
print 'not ';
}
print "ok $testnum\n";
}
# test 4: Test group delete, alternate languages and special characters
{
++$testnum;
my $exifTool = Image::ExifTool->new;
$exifTool->Options(Charset => 'Latin');
$exifTool->SetNewValue('PNG:*');
$exifTool->SetNewValue('XMP:*');
$exifTool->SetNewValue('PNG:Comment-fr', "Commentaire fran\xe7aise");
$exifTool->SetNewValue('PNG:Copyright', "\xa9 2010 Phil Harvey");
$exifTool->SetNewValue('XMP:Description-bar' => "A Br\xfcn is a Gst\xf6");
my $testfile = "t/${testname}_${testnum}_failed.png";
unlink $testfile;
my $rtnVal = $exifTool->WriteInfo('t/images/PNG.png', $testfile);
$exifTool->Options(Charset => 'UTF8');
my $info = $exifTool->ImageInfo($testfile, 'PNG:*', 'XMP:*');
if (check($exifTool, $info, $testname, $testnum)) {
unlink $testfile; # erase results of any bad test
} else {
print 'not ';
}
print "ok $testnum\n";
}
# test 5: Try moving XMP from after IDAT to before
{
++$testnum;
my $exifTool = Image::ExifTool->new;
my $image;
# delete all XMP then copy back again (should move to before IDAT)
$exifTool->SetNewValue();
my $txtfile = "t/${testname}_${testnum}.failed";
open PNG_TEST_5, ">$txtfile" or warn "Error opening $txtfile\n";
$exifTool->Options(Verbose => 2);
$exifTool->Options(TextOut => \*PNG_TEST_5);
$exifTool->SetNewValue('xmp:all');
$exifTool->SetNewValuesFromFile('t/images/PNG.png', 'all:all<xmp:all');
my $rtnVal = $exifTool->WriteInfo('t/images/PNG.png', \$image);
close PNG_TEST_5;
if (testCompare('t/PNG_5.out', $txtfile, $testnum)) {
unlink $txtfile;
} else {
print 'not ';
}
print "ok $testnum\n";
}
# test 6: Write EXIF
{
++$testnum;
my $exifTool = Image::ExifTool->new;
$exifTool->SetNewValue('EXIF:Artist' => 'me');
my $testfile = "t/${testname}_${testnum}_failed.png";
unlink $testfile;
my $rtnVal = $exifTool->WriteInfo('t/images/PNG.png', $testfile);
$exifTool->Options(Charset => 'UTF8');
my $info = $exifTool->ImageInfo($testfile, 'EXIF:*');
if (check($exifTool, $info, $testname, $testnum)) {
unlink $testfile;
} else {
print 'not ';
}
print "ok $testnum\n";
}
# test 7: Write ICC_Profile with a name
{
++$testnum;
my $skip = '';
if (eval 'require Compress::Zlib') {
my $exifTool = Image::ExifTool->new;
$exifTool->SetNewValuesFromFile('t/images/ICC_Profile.icc', 'ICC_Profile');
$exifTool->SetNewValue('PNG:ProfileName' => 'Adobe RGB (1998)');
my $testfile = "t/${testname}_${testnum}_failed.png";
unlink $testfile;
my $rtnVal = $exifTool->WriteInfo('t/images/PNG.png', $testfile);
my $info = $exifTool->ImageInfo($testfile, 'ProfileName', 'ProfileCMMType');
if (check($exifTool, $info, $testname, $testnum)) {
unlink $testfile;
} else {
print 'not ';
}
} else {
$skip = ' # skip Requires Compress::Zlib';
}
print "ok $testnum$skip\n";
}
# end
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