Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

299 lines (261 sloc) 11.627 kb
#!perl -w
use strict;
use Test::More tests => 136;
BEGIN { use_ok(Imager => qw(:all :handy)) }
use Imager::Test qw(test_image is_image is_color3);
-d "testout" or mkdir "testout";
Imager->open_log(log => "testout/t022double.log");
use Imager::Test qw(image_bounds_checks test_colorf_gpix test_colorf_glin mask_tests);
use Imager::Color::Float;
my $im_g = Imager::i_img_double_new(100, 101, 1);
ok(Imager::i_img_getchannels($im_g) == 1,
"1 channel image channel count mismatch");
ok(Imager::i_img_getmask($im_g) & 1, "1 channel image bad mask");
ok(Imager::i_img_virtual($im_g) == 0,
"1 channel image thinks it is virtual");
my $double_bits = length(pack("d", 1)) * 8;
print "# $double_bits double bits\n";
ok(Imager::i_img_bits($im_g) == $double_bits,
"1 channel image has bits != $double_bits");
ok(Imager::i_img_type($im_g) == 0, "1 channel image isn't direct");
my @ginfo = i_img_info($im_g);
ok($ginfo[0] == 100, "1 channel image width incorrect");
ok($ginfo[1] == 101, "1 channel image height incorrect");
undef $im_g;
my $im_rgb = Imager::i_img_double_new(100, 101, 3);
ok(Imager::i_img_getchannels($im_rgb) == 3,
"3 channel image channel count mismatch");
ok((Imager::i_img_getmask($im_rgb) & 7) == 7, "3 channel image bad mask");
ok(Imager::i_img_bits($im_rgb) == $double_bits,
"3 channel image has bits != $double_bits");
ok(Imager::i_img_type($im_rgb) == 0, "3 channel image isn't direct");
my $redf = NCF(1, 0, 0);
my $greenf = NCF(0, 1, 0);
my $bluef = NCF(0, 0, 1);
# fill with red
for my $y (0..101) {
Imager::i_plinf($im_rgb, 0, $y, ($redf) x 100);
}
# basic sanity
test_colorf_gpix($im_rgb, 0, 0, $redf);
test_colorf_gpix($im_rgb, 99, 0, $redf);
test_colorf_gpix($im_rgb, 0, 100, $redf);
test_colorf_gpix($im_rgb, 99, 100, $redf);
test_colorf_glin($im_rgb, 0, 0, [ ($redf) x 100 ], 'sanity glin @0');
test_colorf_glin($im_rgb, 0, 100, [ ($redf) x 100 ], 'sanity glin @100');
Imager::i_plinf($im_rgb, 20, 1, ($greenf) x 60);
test_colorf_glin($im_rgb, 0, 1,
[ ($redf) x 20, ($greenf) x 60, ($redf) x 20 ],
'check after write');
# basic OO tests
my $ooimg = Imager->new(xsize=>200, ysize=>201, bits=>'double');
ok($ooimg, "couldn't make double image");
is($ooimg->bits, 'double', "oo didn't give double image");
ok(!$ooimg->is_bilevel, 'not monochrome');
# check that the image is copied correctly
my $oocopy = $ooimg->copy;
is($oocopy->bits, 'double', "oo copy didn't give double image");
ok(!Imager->new(xsize=>0, ysize=>1, bits=>'double'),
"fail making 0 width image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct message");
ok(!Imager->new(xsize=>1, ysize=>0, bits=>'double'),
"fail making 0 height image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct message");
ok(!Imager->new(xsize=>-1, ysize=>1, bits=>'double'),
"fail making -ve width image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct message");
ok(!Imager->new(xsize=>1, ysize=>-1, bits=>'double'),
"fail making -ve height image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct message");
ok(!Imager->new(xsize=>1, ysize=>1, bits=>'double', channels=>0),
"fail making 0 channel image");
cmp_ok(Imager->errstr, '=~', qr/channels must be between 1 and 4/,
"and correct message");
ok(!Imager->new(xsize=>1, ysize=>1, bits=>'double', channels=>5),
"fail making 5 channel image");
cmp_ok(Imager->errstr, '=~', qr/channels must be between 1 and 4/,
"and correct message");
{
# https://rt.cpan.org/Ticket/Display.html?id=8213
# check for handling of memory allocation of very large images
# only test this on 32-bit machines - on a 64-bit machine it may
# result in trying to allocate 4Gb of memory, which is unfriendly at
# least and may result in running out of memory, causing a different
# type of exit
use Config;
SKIP:
{
$Config{ptrsize} == 4
or skip "don't want to allocate 4Gb", 8;
my $uint_range = 256 ** $Config{intsize};
my $dbl_size = $Config{doublesize} || 8;
my $dim1 = int(sqrt($uint_range/$dbl_size))+1;
my $im_b = Imager->new(xsize=>$dim1, ysize=>$dim1, channels=>1, bits=>'double');
is($im_b, undef, "integer overflow check - 1 channel");
$im_b = Imager->new(xisze=>$dim1, ysize=>1, channels=>1, bits=>'double');
ok($im_b, "but same width ok");
$im_b = Imager->new(xisze=>1, ysize=>$dim1, channels=>1, bits=>'double');
ok($im_b, "but same height ok");
cmp_ok(Imager->errstr, '=~', qr/integer overflow/,
"check the error message");
# do a similar test with a 3 channel image, so we're sure we catch
# the same case where the third dimension causes the overflow
my $dim3 = int(sqrt($uint_range / 3 / $dbl_size))+1;
$im_b = Imager->new(xsize=>$dim3, ysize=>$dim3, channels=>3, bits=>'double');
is($im_b, undef, "integer overflow check - 3 channel");
$im_b = Imager->new(xsize=>$dim3, ysize=>1, channels=>3, bits=>'double');
ok($im_b, "but same width ok");
$im_b = Imager->new(xsize=>1, ysize=>$dim3, channels=>3, bits=>'double');
ok($im_b, "but same height ok");
cmp_ok(Imager->errstr, '=~', qr/integer overflow/,
"check the error message");
}
}
{ # check the channel mask function
my $im = Imager->new(xsize => 10, ysize=>10, bits=>'double');
mask_tests($im);
}
{ # bounds checking
my $im = Imager->new(xsize => 10, ysize=>10, bits=>'double');
image_bounds_checks($im);
}
{ # convert to rgb double
my $im = test_image();
my $imdb = $im->to_rgb_double;
print "# check conversion to double\n";
is($imdb->bits, "double", "check bits");
is_image($im, $imdb, "check image data matches");
}
{ # empty image handling
my $im = Imager->new;
ok($im, "make empty image");
ok(!$im->to_rgb_double, "convert empty image to double");
is($im->errstr, "empty input image", "check message");
}
my $psamp_outside_error = "Image position outside of image";
{ # psamp
print "# psamp\n";
my $imraw = Imager::i_img_double_new(10, 10, 3);
{
is(Imager::i_psamp($imraw, 0, 2, undef, [ 255, 128, 64 ]), 3,
"i_psamp def channels, 3 samples");
is_color3(Imager::i_get_pixel($imraw, 0, 2), 255, 128, 64,
"check color written");
Imager::i_img_setmask($imraw, 5);
is(Imager::i_psamp($imraw, 1, 3, undef, [ 64, 128, 192 ]), 3,
"i_psamp def channels, 3 samples, masked");
is_color3(Imager::i_get_pixel($imraw, 1, 3), 64, 0, 192,
"check color written");
is(Imager::i_psamp($imraw, 1, 7, [ 0, 1, 2 ], [ 64, 128, 192 ]), 3,
"i_psamp channels listed, 3 samples, masked");
is_color3(Imager::i_get_pixel($imraw, 1, 7), 64, 0, 192,
"check color written");
Imager::i_img_setmask($imraw, ~0);
is(Imager::i_psamp($imraw, 2, 4, [ 0, 1 ], [ 255, 128, 64, 32 ]), 4,
"i_psamp channels [0, 1], 4 samples");
is_color3(Imager::i_get_pixel($imraw, 2, 4), 255, 128, 0,
"check first color written");
is_color3(Imager::i_get_pixel($imraw, 3, 4), 64, 32, 0,
"check second color written");
is(Imager::i_psamp($imraw, 0, 5, [ 0, 1, 2 ], [ (128, 63, 32) x 10 ]), 30,
"write a full row");
is_deeply([ Imager::i_gsamp($imraw, 0, 10, 5, [ 0, 1, 2 ]) ],
[ (128, 63, 32) x 10 ],
"check full row");
is(Imager::i_psamp($imraw, 8, 8, [ 0, 1, 2 ],
[ 255, 128, 32, 64, 32, 16, 32, 16, 8 ]),
6, "i_psamp channels [0, 1, 2], 9 samples, but room for 6");
}
{ # errors we catch
is(Imager::i_psamp($imraw, 6, 8, [ 0, 1, 3 ], [ 255, 128, 32 ]),
undef, "i_psamp channels [0, 1, 3], 3 samples (invalid channel number)");
is(_get_error(), "No channel 3 in this image",
"check error message");
is(Imager::i_psamp($imraw, 6, 8, [ 0, 1, -1 ], [ 255, 128, 32 ]),
undef, "i_psamp channels [0, 1, -1], 3 samples (invalid channel number)");
is(_get_error(), "No channel -1 in this image",
"check error message");
is(Imager::i_psamp($imraw, 0, -1, undef, [ 0, 0, 0 ]), undef,
"negative y");
is(_get_error(), $psamp_outside_error, "check error message");
is(Imager::i_psamp($imraw, 0, 10, undef, [ 0, 0, 0 ]), undef,
"y overflow");
is(_get_error(), $psamp_outside_error, "check error message");
is(Imager::i_psamp($imraw, -1, 0, undef, [ 0, 0, 0 ]), undef,
"negative x");
is(_get_error(), $psamp_outside_error, "check error message");
is(Imager::i_psamp($imraw, 10, 0, undef, [ 0, 0, 0 ]), undef,
"x overflow");
is(_get_error(), $psamp_outside_error, "check error message");
}
print "# end psamp tests\n";
}
{ # psampf
print "# psampf\n";
my $imraw = Imager::i_img_double_new(10, 10, 3);
{
is(Imager::i_psampf($imraw, 0, 2, undef, [ 1, 0.5, 0.25 ]), 3,
"i_psampf def channels, 3 samples");
is_color3(Imager::i_get_pixel($imraw, 0, 2), 255, 128, 64,
"check color written");
Imager::i_img_setmask($imraw, 5);
is(Imager::i_psampf($imraw, 1, 3, undef, [ 0.25, 0.5, 0.75 ]), 3,
"i_psampf def channels, 3 samples, masked");
is_color3(Imager::i_get_pixel($imraw, 1, 3), 64, 0, 191,
"check color written");
is(Imager::i_psampf($imraw, 1, 7, [ 0, 1, 2 ], [ 0.25, 0.5, 0.75 ]), 3,
"i_psampf channels listed, 3 samples, masked");
is_color3(Imager::i_get_pixel($imraw, 1, 7), 64, 0, 191,
"check color written");
Imager::i_img_setmask($imraw, ~0);
is(Imager::i_psampf($imraw, 2, 4, [ 0, 1 ], [ 1, 0.5, 0.25, 0.125 ]), 4,
"i_psampf channels [0, 1], 4 samples");
is_color3(Imager::i_get_pixel($imraw, 2, 4), 255, 128, 0,
"check first color written");
is_color3(Imager::i_get_pixel($imraw, 3, 4), 64, 32, 0,
"check second color written");
is(Imager::i_psampf($imraw, 0, 5, [ 0, 1, 2 ], [ (0.5, 0.25, 0.125) x 10 ]), 30,
"write a full row");
is_deeply([ Imager::i_gsamp($imraw, 0, 10, 5, [ 0, 1, 2 ]) ],
[ (128, 64, 32) x 10 ],
"check full row");
is(Imager::i_psampf($imraw, 8, 8, [ 0, 1, 2 ],
[ 1.0, 0.5, 0.125, 0.25, 0.125, 0.0625, 0.125, 0, 1 ]),
6, "i_psampf channels [0, 1, 2], 9 samples, but room for 6");
}
{ # errors we catch
is(Imager::i_psampf($imraw, 6, 8, [ 0, 1, 3 ], [ 1, 0.5, 0.125 ]),
undef, "i_psampf channels [0, 1, 3], 3 samples (invalid channel number)");
is(_get_error(), "No channel 3 in this image",
"check error message");
is(Imager::i_psampf($imraw, 6, 8, [ 0, 1, -1 ], [ 1, 0.5, 0.125 ]),
undef, "i_psampf channels [0, 1, -1], 3 samples (invalid channel number)");
is(_get_error(), "No channel -1 in this image",
"check error message");
is(Imager::i_psampf($imraw, 0, -1, undef, [ 0, 0, 0 ]), undef,
"negative y");
is(_get_error(), $psamp_outside_error, "check error message");
is(Imager::i_psampf($imraw, 0, 10, undef, [ 0, 0, 0 ]), undef,
"y overflow");
is(_get_error(), $psamp_outside_error, "check error message");
is(Imager::i_psampf($imraw, -1, 0, undef, [ 0, 0, 0 ]), undef,
"negative x");
is(_get_error(), $psamp_outside_error, "check error message");
is(Imager::i_psampf($imraw, 10, 0, undef, [ 0, 0, 0 ]), undef,
"x overflow");
is(_get_error(), $psamp_outside_error, "check error message");
}
print "# end psampf tests\n";
}
Imager->close_log;
unless ($ENV{IMAGER_KEEP_FILES}) {
unlink "testout/t022double.log";
}
sub _get_error {
my @errors = Imager::i_errors();
return join(": ", map $_->[0], @errors);
}
Jump to Line
Something went wrong with that request. Please try again.