-# Before `make install' is performed this script should be runnable with
-# `make test'. After `make install' it should work as `perl test.pl'
-
+#!perl -w
######################### We start with some black magic to print on failure.
-# Change 1..1 below to 1..last_test_to_print .
-# (It may become useful if the test is moved to ./t subdirectory.)
+# 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
-BEGIN { $| = 1; print "1..2\n"; }
-END {print "not ok 1\n" unless $loaded;}
+use strict;
use Imager;
-#use Data::Dumper;
-$loaded = 1;
+use IO::Seekable;
+
+my $buggy_giflib_file = "buggy_giflib.txt";
+
+Imager::init("log"=>"testout/t50basicoo.log");
-print "ok 1\n";
+# single image/file types
+my @types = qw( jpeg png raw ppm gif tiff bmp tga );
-init_log("testout/t00basicoo.log",1);
+# multiple image/file formats
+my @mtypes = qw(tiff gif);
-#list_formats();
+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};
+}
-%hsh=%Imager::formats;
+print "1..$count\n";
print "# avaliable formats:\n";
for(keys %hsh) { print "# $_\n"; }
#print Dumper(\%hsh);
-$img = Imager->new();
+my $img = Imager->new();
+
+my %files;
+@files{@types} = ({ file => "testout/t101.jpg" },
+ { file => "testout/t102.png" },
+ { file => "testout/t103.raw", xsize=>150, ysize=>150, type=>'raw'},
+ { file => "testout/t104.ppm" },
+ { file => "testout/t105.gif" },
+ { file => "testout/t106.tiff" },
+ { file => "testout/t107_24bit.bmp" },
+ { file => "testout/t108_24bit.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: $!", 7);
+ }
+
+ if ($type ne 'gif' || Imager::i_giflib_version() >= 4) {
+ # 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");
+ }
+ else {
+ skip("giflib < 4 doesn't support callbacks", 6);
+ }
+}
+
+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=>"testout/t104.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 $type");
-@all=qw(tiff gif jpg png ppm raw);
+ if ($type ne 'gif' ||
+ (Imager::i_giflib_version() >= 4 && !-e $buggy_giflib_file)) {
+ if (ok(open(DATA, "< $file"), "opening data source")) {
+ binmode DATA;
+ my $data = do { local $/; <DATA> };
+ close DATA;
-for(@all) {
- if (!$hsh{$_}) { next; }
- print "#opening Format: $_\n";
- if ($_ eq "raw") {
- $img->read(file=>"testout/t10.$_",type=>'raw', xsize=>150,ysize=>150) or die "failed: ",$img->{ERRSTR},"\n";
- } else {
- $img->read(file=>"testout/t10.$_") or die "failed: ",$img->{ERRSTR},"\n";
+ # 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);
+ }
+ }
+ else {
+ if (-e $buggy_giflib_file) {
+ skip("see $buggy_giflib_file", 8);
+ }
+ else {
+ skip("giflib < 4 doesn't support callbacks", 8);
+ }
}
}
-$img2=$img->crop(width=>50,height=>50);
-$img2->write(file=>'testout/t50.ppm',type=>'pnm');
+my $img2 = $img->crop(width=>50, height=>50);
+$img2 -> write(file=> 'testout/t50.ppm', type=>'pnm');
undef($img);
-malloc_state();
+# 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 $i");
+ }
+ }
+ else {
+ skip("wrong number of images read", 2);
+ }
+}
-print "ok 2\n";
+Imager::malloc_state();
+
+#print "ok 2\n";
+
+sub ok {
+ my ($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";
+ }
+}