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#!perl -w
# t/t01introvert.t - tests internals of image formats
# to make sure we get expected values
use strict;
use Test::More tests => 433;
BEGIN { use_ok(Imager => qw(:handy :all)) }
use Imager::Test qw(image_bounds_checks is_color3 is_color4 is_fcolor4 color_cmp mask_tests is_fcolor3);
-d "testout" or mkdir "testout";
Imager->open_log(log => "testout/t01introvert.log");
my $im_g = Imager::ImgRaw::new(100, 101, 1);
my $red = NC(255, 0, 0);
my $green = NC(0, 255, 0);
my $blue = NC(0, 0, 255);
use Imager::Color::Float;
my $f_black = Imager::Color::Float->new(0, 0, 0);
my $f_red = Imager::Color::Float->new(1.0, 0, 0);
my $f_green = Imager::Color::Float->new(0, 1.0, 0);
my $f_blue = Imager::Color::Float->new(0, 0, 1.0);
is(Imager::i_img_getchannels($im_g), 1, "1 channel image channel count");
ok(Imager::i_img_getmask($im_g) & 1, "1 channel image mask");
ok(!Imager::i_img_virtual($im_g), "1 channel image not virtual");
is(Imager::i_img_bits($im_g), 8, "1 channel image has 8 bits/sample");
is(Imager::i_img_type($im_g), 0, "1 channel image is direct");
is(Imager::i_img_get_width($im_g), 100, "100 pixels wide");
is(Imager::i_img_get_height($im_g), 101, "101 pixels high");
my @ginfo = Imager::i_img_info($im_g);
is($ginfo[0], 100, "1 channel image width");
is($ginfo[1], 101, "1 channel image height");
undef $im_g; # can we check for release after this somehow?
my $im_rgb = Imager::ImgRaw::new(100, 101, 3);
is(Imager::i_img_getchannels($im_rgb), 3, "3 channel image channel count");
is((Imager::i_img_getmask($im_rgb) & 7), 7, "3 channel image mask");
is(Imager::i_img_bits($im_rgb), 8, "3 channel image has 8 bits/sample");
is(Imager::i_img_type($im_rgb), 0, "3 channel image is direct");
undef $im_rgb;
my $im_pal = Imager::i_img_pal_new(100, 101, 3, 256);
ok($im_pal, "make paletted image");
is(Imager::i_img_getchannels($im_pal), 3, "pal img channel count");
is(Imager::i_img_bits($im_pal), 8, "pal img bits");
is(Imager::i_img_type($im_pal), 1, "pal img is paletted");
my $red_idx = check_add($im_pal, $red, 0);
my $green_idx = check_add($im_pal, $green, 1);
my $blue_idx = check_add($im_pal, $blue, 2);
# basic writing of palette indicies
# fill with red
is(Imager::i_ppal($im_pal, 0, 0, ($red_idx) x 100), 100,
"write red 100 times");
# and blue
is(Imager::i_ppal($im_pal, 50, 0, ($blue_idx) x 50), 50,
"write blue 50 times");
# make sure we get it back
my @pals = Imager::i_gpal($im_pal, 0, 100, 0);
ok(!grep($_ != $red_idx, @pals[0..49]), "check for red");
ok(!grep($_ != $blue_idx, @pals[50..99]), "check for blue");
is(Imager::i_gpal($im_pal, 0, 100, 0), "\0" x 50 . "\2" x 50,
"gpal in scalar context");
my @samp = Imager::i_gsamp($im_pal, 0, 100, 0, [ 0, 1, 2 ]);
is(@samp, 300, "gsamp count in list context");
my @samp_exp = ((255, 0, 0) x 50, (0, 0, 255) x 50);
is_deeply(\@samp, \@samp_exp, "gsamp list deep compare");
my $samp = Imager::i_gsamp($im_pal, 0, 100, 0, [ 0, 1, 2 ]);
is(length($samp), 300, "gsamp scalar length");
is($samp, "\xFF\0\0" x 50 . "\0\0\xFF" x 50, "gsamp scalar bytes");
# reading indicies as colors
my $c_red = Imager::i_get_pixel($im_pal, 0, 0);
ok($c_red, "got the red pixel");
is_color3($c_red, 255, 0, 0, "and it's red");
my $c_blue = Imager::i_get_pixel($im_pal, 50, 0);
ok($c_blue, "got the blue pixel");
is_color3($c_blue, 0, 0, 255, "and it's blue");
# drawing with colors
ok(Imager::i_ppix($im_pal, 0, 0, $green) == 0, "draw with color in palette");
# that was in the palette, should still be paletted
is(Imager::i_img_type($im_pal), 1, "image still paletted");
my $c_green = Imager::i_get_pixel($im_pal, 0, 0);
ok($c_green, "got green pixel");
is_color3($c_green, 0, 255, 0, "and it's green");
is(Imager::i_colorcount($im_pal), 3, "still 3 colors in palette");
is(Imager::i_findcolor($im_pal, $green), 1, "and green is the second");
my $black = NC(0, 0, 0);
# this should convert the image to RGB
ok(Imager::i_ppix($im_pal, 1, 0, $black) == 0, "draw with black (not in palette)");
is(Imager::i_img_type($im_pal), 0, "pal img shouldn't be paletted now");
{
my %quant =
(
colors => [$red, $green, $blue, $black],
make_colors => 'none',
);
my $im_pal2 = Imager::i_img_to_pal($im_pal, \%quant);
ok($im_pal2, "got an image from quantizing");
is(@{$quant{colors}}, 4, "quant has the right number of colours");
is(Imager::i_colorcount($im_pal2), 4, "and so does the image");
my @colors = Imager::i_getcolors($im_pal2, 0, 4);
my ($first) = Imager::i_getcolors($im_pal2, 0);
my @first = $colors[0]->rgba;
is_color3($first, $first[0], $first[1], $first[2],
"check first color is first for multiple or single fetch");
is_color3($colors[0], 255, 0, 0, "still red");
is_color3($colors[1], 0, 255, 0, "still green");
is_color3($colors[2], 0, 0, 255, "still blue");
is_color3($colors[3], 0, 0, 0, "still black");
is_deeply([ unpack("C", Imager::i_gsamp($im_pal2, 0, 100, 0, [ 0, 1, 2 ])) ],
[ unpack("C", "\0\xFF\0\0\0\0"."\xFF\0\0" x 48 . "\0\0\xFF" x 50) ],
"colors are still correct");
}
# test the OO interfaces
my $impal2 = Imager->new(type=>'pseudo', xsize=>200, ysize=>201);
ok($impal2, "make paletted via OO")
or diag(Imager->errstr);
is($impal2->getchannels, 3, "check channels");
is($impal2->bits, 8, "check bits");
is($impal2->type, 'paletted', "check type");
is($impal2->getwidth, 200, "check width");
is($impal2->getheight, 201, "check height");
{
my $red_idx = $impal2->addcolors(colors=>[$red]);
ok($red_idx, "add red to OO");
is(0+$red_idx, 0, "and it's expected index for red");
my $blue_idx = $impal2->addcolors(colors=>[$blue, $green]);
ok($blue_idx, "add blue/green via OO");
is($blue_idx, 1, "and it's expected index for blue");
my $green_idx = $blue_idx + 1;
my $c = $impal2->getcolors(start=>$green_idx);
is_color3($c, 0, 255, 0, "found green where expected");
my @cols = $impal2->getcolors;
is(@cols, 3, "got 3 colors");
my @exp = ( $red, $blue, $green );
my $good = 1;
for my $i (0..2) {
if (color_cmp($cols[$i], $exp[$i])) {
$good = 0;
last;
}
}
ok($good, "all colors in palette as expected");
is($impal2->colorcount, 3, "and colorcount returns 3");
is($impal2->maxcolors, 256, "maxcolors as expected");
is($impal2->findcolor(color=>$blue), 1, "findcolors found blue");
ok($impal2->setcolors(start=>0, colors=>[ $blue, $red ]),
"we can setcolors");
# make an rgb version
my $imrgb2 = $impal2->to_rgb8()
or diag($impal2->errstr);
is($imrgb2->type, 'direct', "converted is direct");
# and back again, specifying the palette
my @colors = ( $red, $blue, $green );
my $impal3 = $imrgb2->to_paletted(colors=>\@colors,
make_colors=>'none',
translate=>'closest');
ok($impal3, "got a paletted image from conversion");
dump_colors(@colors);
print "# in image\n";
dump_colors($impal3->getcolors);
is($impal3->colorcount, 3, "new image has expected color table size");
is($impal3->type, 'paletted', "and is paletted");
}
{ # to_rgb on incomplete image
my $im = Imager->new;
ok($im, "make empty image");
ok(!$im->to_rgb8, "convert to rgb8");
is($im->errstr, "empty input image", "check message");
}
{ # basic checks, 8-bit direct images
my $im = Imager->new(xsize => 2, ysize => 3);
ok($im, 'create 8-bit direct image');
is($im->bits, 8, '8 bits');
ok(!$im->virtual, 'not virtual');
is($im->type, 'direct', 'direct image');
ok(!$im->is_bilevel, 'not mono');
}
ok(!Imager->new(xsize=>0, ysize=>1), "fail to create 0 height image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"0 height error message check");
ok(!Imager->new(xsize=>1, ysize=>0), "fail to create 0 width image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"0 width error message check");
ok(!Imager->new(xsize=>-1, ysize=>1), "fail to create -ve height image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"-ve width error message check");
ok(!Imager->new(xsize=>1, ysize=>-1), "fail to create -ve width image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"-ve height error message check");
ok(!Imager->new(xsize=>-1, ysize=>-1), "fail to create -ve width/height image");
cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"-ve width/height error message check");
ok(!Imager->new(xsize=>1, ysize=>1, channels=>0),
"fail to create a zero channel image");
cmp_ok(Imager->errstr, '=~', qr/channels must be between 1 and 4/,
"out of range channel message check");
ok(!Imager->new(xsize=>1, ysize=>1, channels=>5),
"fail to create a five channel image");
cmp_ok(Imager->errstr, '=~', qr/channels must be between 1 and 4/,
"out of range channel message check");
{
# 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
SKIP:
{
use Config;
skip("don't want to allocate 4Gb", 8) unless $Config{ptrsize} == 4;
my $uint_range = 256 ** $Config{intsize};
print "# range $uint_range\n";
my $dim1 = int(sqrt($uint_range))+1;
my $im_b = Imager->new(xsize=>$dim1, ysize=>$dim1, channels=>1);
is($im_b, undef, "integer overflow check - 1 channel");
$im_b = Imager->new(xisze=>$dim1, ysize=>1, channels=>1);
ok($im_b, "but same width ok");
$im_b = Imager->new(xisze=>1, ysize=>$dim1, channels=>1);
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))+1;
$im_b = Imager->new(xsize=>$dim3, ysize=>$dim3, channels=>3);
is($im_b, undef, "integer overflow check - 3 channel");
$im_b = Imager->new(xisze=>$dim3, ysize=>1, channels=>3);
ok($im_b, "but same width ok");
$im_b = Imager->new(xisze=>1, ysize=>$dim3, channels=>3);
ok($im_b, "but same height ok");
cmp_ok(Imager->errstr, '=~', qr/integer overflow/,
"check the error message");
}
}
{ # http://rt.cpan.org/NoAuth/Bug.html?id=9672
my $warning;
local $SIG{__WARN__} =
sub {
$warning = "@_";
my $printed = $warning;
$printed =~ s/\n$//;
$printed =~ s/\n/\n\#/g;
print "# ",$printed, "\n";
};
my $img = Imager->new(xsize=>10, ysize=>10);
$img->to_rgb8(); # doesn't really matter what the source is
cmp_ok($warning, '=~', 'void', "correct warning");
cmp_ok($warning, '=~', 't01introvert\\.t', "correct file");
}
{ # http://rt.cpan.org/NoAuth/Bug.html?id=11860
my $im = Imager->new(xsize=>2, ysize=>2);
$im->setpixel(x=>0, 'y'=>0, color=>$red);
$im->setpixel(x=>1, 'y'=>0, color=>$blue);
my @row = Imager::i_glin($im->{IMG}, 0, 2, 0);
is(@row, 2, "got 2 pixels from i_glin");
is_color3($row[0], 255, 0, 0, "red first");
is_color3($row[1], 0, 0, 255, "then blue");
}
{ # general tag tests
# we don't care much about the image itself
my $im = Imager::ImgRaw::new(10, 10, 1);
ok(Imager::i_tags_addn($im, 'alpha', 0, 101), "i_tags_addn(...alpha, 0, 101)");
ok(Imager::i_tags_addn($im, undef, 99, 102), "i_tags_addn(...undef, 99, 102)");
is(Imager::i_tags_count($im), 2, "should have 2 tags");
ok(Imager::i_tags_addn($im, undef, 99, 103), "i_tags_addn(...undef, 99, 103)");
is(Imager::i_tags_count($im), 3, "should have 3 tags, despite the dupe");
is(Imager::i_tags_find($im, 'alpha', 0), '0 but true', "find alpha");
is(Imager::i_tags_findn($im, 99, 0), 1, "find 99");
is(Imager::i_tags_findn($im, 99, 2), 2, "find 99 again");
is(Imager::i_tags_get($im, 0), 101, "check first");
is(Imager::i_tags_get($im, 1), 102, "check second");
is(Imager::i_tags_get($im, 2), 103, "check third");
ok(Imager::i_tags_add($im, 'beta', 0, "hello", 0),
"add string with string key");
ok(Imager::i_tags_add($im, 'gamma', 0, "goodbye", 0),
"add another one");
ok(Imager::i_tags_add($im, undef, 199, "aloha", 0),
"add one keyed by number");
is(Imager::i_tags_find($im, 'beta', 0), 3, "find beta");
is(Imager::i_tags_find($im, 'gamma', 0), 4, "find gamma");
is(Imager::i_tags_findn($im, 199, 0), 5, "find 199");
ok(Imager::i_tags_delete($im, 2), "delete");
is(Imager::i_tags_find($im, 'beta', 0), 2, 'find beta after deletion');
ok(Imager::i_tags_delbyname($im, 'beta'), 'delete beta by name');
is(Imager::i_tags_find($im, 'beta', 0), undef, 'beta not there now');
is(Imager::i_tags_get_string($im, "gamma"), "goodbye",
'i_tags_get_string() on a string');
is(Imager::i_tags_get_string($im, 99), 102,
'i_tags_get_string() on a number entry');
ok(Imager::i_tags_delbycode($im, 99), 'delete by code');
is(Imager::i_tags_findn($im, 99, 0), undef, '99 not there now');
is(Imager::i_tags_count($im), 3, 'final count of 3');
}
{
print "# low-level scan line function tests\n";
my $im = Imager::ImgRaw::new(10, 10, 4);
Imager::i_ppix($im, 5, 0, $red);
# i_glin/i_glinf
my @colors = Imager::i_glin($im, 0, 10, 0);
is_deeply([ (0) x 20, (255, 0, 0, 255), (0) x 16 ],
[ map $_->rgba, @colors ],
"i_glin - list context");
my $colors = Imager::i_glin($im, 0, 10, 0);
is("00" x 20 . "FF0000FF" . "00" x 16,
uc unpack("H*", $colors), "i_glin - scalar context");
my @fcolors = Imager::i_glinf($im, 0, 10, 0);
is_deeply([ (0.0) x 20, (1.0, 0, 0, 1.0) , (0) x 16 ],
[ map $_->rgba, @fcolors ],
"i_glinf - list context");
my $fcolors = Imager::i_glinf($im, 0, 10, 0);
is_deeply([ (0.0) x 20, (1.0, 0, 0, 1.0) , (0) x 16 ],
[ unpack "d*", $fcolors ],
"i_glinf - scalar context");
# i_plin/i_plinf
my @plin_colors = (($black) x 4, $red, $blue, ($black) x 4);
is(Imager::i_plin($im, 0, 1, @plin_colors),
10, "i_plin - pass in a list");
# make sure we get it back
is_deeply([ map [ $_->rgba ], @plin_colors ],
[ map [ $_->rgba ], Imager::i_glin($im, 0, 10, 1) ],
"check i_plin wrote to the image");
my @scalar_plin =
(
(0,0,0,0) x 4,
(0, 255, 0, 255),
(0, 0, 255, 255),
(0, 0, 0, 0) x 4,
);
is(Imager::i_plin($im, 0, 2, pack("C*", @scalar_plin)),
10, "i_plin - pass in a scalar");
is_deeply(\@scalar_plin,
[ map $_->rgba , Imager::i_glin($im, 0, 10, 2) ],
"check i_plin scalar wrote to the image");
my @plinf_colors = # Note: only 9 pixels
(
($f_blue) x 4,
$f_red,
($f_black) x 3,
$f_black
);
is(Imager::i_plinf($im, 0, 3, @plinf_colors), 9,
"i_plinf - list");
is_deeply([ map $_->rgba, Imager::i_glinf($im, 0, 9, 3) ],
[ map $_->rgba, @plinf_colors ],
"check colors were written");
my @scalar_plinf =
(
( 1.0, 1.0, 0, 1.0 ) x 3,
( 0, 1.0, 1.0, 1.0 ) x 2,
( 0, 0, 0, 0 ),
( 1.0, 0, 1.0, 1.0 ),
);
is(Imager::i_plinf($im, 2, 4, pack("d*", @scalar_plinf)),
7, "i_plinf - scalar");
is_deeply(\@scalar_plinf,
[ map $_->rgba, Imager::i_glinf($im, 2, 9, 4) ],
"check colors were written");
is_deeply([ Imager::i_gsamp($im, 0, 10, 0, [ 0, 3 ]) ],
[ (0, 0) x 5, (255, 255), (0, 0) x 4 ],
"i_gsamp list context");
is("0000" x 5 . "FFFF" . "0000" x 4,
uc unpack("H*", Imager::i_gsamp($im, 0, 10, 0, [ 0, 3 ])),
"i_gsamp scalar context");
is_deeply([ Imager::i_gsampf($im, 2, 9, 4, [ 0, 2, 3 ]) ],
[ (1.0, 0, 1.0) x 3, (0, 1.0, 1.0) x 2, (0, 0, 0),
(1.0, 1.0, 1.0) ], "i_gsampf - list context");
is_deeply([ unpack("d*", Imager::i_gsampf($im, 2, 9, 4, [ 0, 2, 3 ])) ],
[ (1.0, 0, 1.0) x 3, (0, 1.0, 1.0) x 2, (0, 0, 0),
(1.0, 1.0, 1.0) ], "i_gsampf - scalar context");
print "# end low-level scan-line function tests\n";
}
my $psamp_outside_error = "Image position outside of image";
{ # psamp
print "# psamp\n";
my $imraw = Imager::ImgRaw::new(10, 20, 3);
{
is(Imager::i_psamp($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($imraw, 8, 8, [ 0, 1, 2 ],
[ 255, 128, 32, 64, 32, 16, 32, 16, 8 ]),
6, "i_psamp channels [0, 1, 2], 9 samples, but room for 6");
is(Imager::i_psamp($imraw, 4, 6, undef, [ 0 .. 18 ], 1), 18,
"psamp with offset");
is_deeply([ Imager::i_gsamp($imraw, 0, 10, 6, undef) ],
[ (0) x 12, 1 .. 18 ],
"check result");
is(Imager::i_psamp($imraw, 4, 11, undef, [ 0 .. 18 ], 1, 3), 9,
"psamp with offset and width");
is_deeply([ Imager::i_gsamp($imraw, 0, 10, 11, undef) ],
[ (0) x 12, 1 .. 9, (0) x 9 ],
"check result");
}
{ # errors we catch
is(Imager::i_psamp($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, 20, 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(), $psamp_outside_error,
"check error message");
}
{ # test the im_sample_list typemap
ok(!eval { Imager::i_psamp($imraw, 9, 9, [ 0 ], undef); 1 },
"pass undef as the sample list");
like($@, qr/data must be a scalar or an arrayref/,
"check message");
ok(!eval { Imager::i_psamp($imraw, 9, 9, [ 0 ], { a => 1 }); 1 },
"hashref as the sample list");
like($@, qr/data must be a scalar or an arrayref/,
"check message");
ok(!eval { Imager::i_psamp($imraw, 9, 9, [ 0 ], []); 1 },
"empty sample list");
like($@, qr/i_psamp: no samples provided in data/,
"check message");
ok(!eval { Imager::i_psamp($imraw, 9, 9, [ 0 ], ""); 1 },
"empty scalar sample list");
like($@, qr/i_psamp: no samples provided in data/,
"check message");
# not the typemap
is(Imager::i_psamp($imraw, 0, 8, undef, [ (0) x 3 ], -1), undef,
"negative offset");
is(_get_error(), "offset must be non-negative",
"check message");
is(Imager::i_psamp($imraw, 0, 8, undef, [ (0) x 3 ], 4), undef,
"too high offset");
is(_get_error(), "offset greater than number of samples supplied",
"check message");
}
print "# end psamp tests\n";
}
{ # psampf
print "# psampf\n";
my $imraw = Imager::ImgRaw::new(10, 20, 3);
{
is(Imager::i_psampf($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($imraw, 8, 8, [ 0, 1, 2 ],
[ 1.0, 0.5, 0.125, 0.25, 0.125, 0.0625, 0.125, 0, 1 ]),
6, "i_psampf channels [0, 1, 2], 9 samples, but room for 6");
is(Imager::i_psampf($imraw, 4, 6, undef, [ map $_/254.9, 0 .. 18 ], 1), 18,
"psampf with offset");
is_deeply([ Imager::i_gsamp($imraw, 0, 10, 6, undef) ],
[ (0) x 12, 1 .. 18 ],
"check result");
is(Imager::i_psampf($imraw, 4, 11, undef, [ map $_/254.9, 0 .. 18 ], 1, 3), 9,
"psampf with offset and width");
is_deeply([ Imager::i_gsamp($imraw, 0, 10, 11, undef) ],
[ (0) x 12, 1 .. 9, (0) x 9 ],
"check result");
}
{ # 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, 20, 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(), $psamp_outside_error,
"check error message");
}
{ # test the im_fsample_list typemap
ok(!eval { Imager::i_psampf($imraw, 9, 9, [ 0 ], undef); 1 },
"pass undef as the sample list");
like($@, qr/data must be a scalar or an arrayref/,
"check message");
ok(!eval { Imager::i_psampf($imraw, 9, 9, [ 0 ], { a => 1 }); 1 },
"hashref as the sample list");
like($@, qr/data must be a scalar or an arrayref/,
"check message");
ok(!eval { Imager::i_psampf($imraw, 9, 9, [ 0 ], []); 1 },
"empty sample list");
like($@, qr/i_psampf: no samples provided in data/,
"check message");
ok(!eval { Imager::i_psampf($imraw, 9, 9, [ 0 ], ""); 1 },
"empty scalar sample list");
like($@, qr/i_psampf: no samples provided in data/,
"check message");
# not the typemap
is(Imager::i_psampf($imraw, 0, 8, undef, [ (0) x 3 ], -1), undef,
"negative offset");
is(_get_error(), "offset must be non-negative",
"check message");
is(Imager::i_psampf($imraw, 0, 8, undef, [ (0) x 3 ], 4), undef,
"too high offset");
is(_get_error(), "offset greater than number of samples supplied",
"check message");
}
print "# end psampf tests\n";
}
{
print "# OO level scanline function tests\n";
my $im = Imager->new(xsize=>10, ysize=>10, channels=>4);
$im->setpixel(color=>$red, 'x'=>5, 'y'=>0);
ok(!$im->getscanline(), "getscanline() - supply nothing, get nothing");
is($im->errstr, "missing y parameter", "check message");
is_deeply([ map [ $_->rgba ], $im->getscanline('y'=>0) ],
[ ([ 0,0,0,0]) x 5, [ 255, 0, 0, 255 ], ([ 0,0,0,0]) x 4 ],
"getscanline, list context, default x, width");
is_deeply([ map [ $_->rgba ], $im->getscanline('y'=>0, 'x'=>3) ],
[ ([0,0,0,0]) x 2, [ 255, 0, 0, 255 ], ([0,0,0,0]) x 4 ],
"getscanline, list context, default width");
is_deeply([ map [ $_->rgba ], $im->getscanline('y'=>0, 'x'=>4, width=>4) ],
[ [0,0,0,0], [ 255, 0, 0, 255 ], ([0,0,0,0]) x 2 ],
"getscanline, list context, no defaults");
is(uc unpack("H*", $im->getscanline('y'=>0)),
"00000000" x 5 . "FF0000FF" . "00000000" x 4,
"getscanline, scalar context, default x, width");
is_deeply([ map [ $_->rgba ],
$im->getscanline('y'=>0, 'x'=>4, width=>4, type=>'float') ],
[ [0,0,0,0], [ 1.0, 0, 0, 1.0 ], ([0,0,0,0]) x 2 ],
"getscanline float, list context, no defaults");
is_deeply([ unpack "d*",
$im->getscanline('y'=>0, 'x'=>4, width=>4, type=>'float') ],
[ (0,0,0,0), ( 1.0, 0, 0, 1.0 ), (0,0,0,0) x 2 ],
"getscanline float, scalar context, no defaults");
ok(!$im->getscanline('y'=>0, type=>'invalid'),
"check invalid type checking");
like($im->errstr, qr/invalid type parameter/,
"check message for invalid type");
my @plin_colors = (($black) x 4, $red, $blue, ($green) x 4);
is($im->setscanline('y'=>1, pixels=>\@plin_colors), 10,
"setscanline - arrayref, default x");
is_deeply([ map [ $_->rgba ], @plin_colors ],
[ map [ $_->rgba ], $im->getscanline('y'=>1) ],
"check colors were written");
my @plin_colors2 = ( $green, $red, $blue, $red );
is($im->setscanline('y'=>2, 'x'=>3, pixels=>\@plin_colors2), 4,
"setscanline - arrayref");
# using map instead of x here due to a bug in some versions of Test::More
# fixed in the latest Test::More
is_deeply([ ( map [ 0,0,0,0 ], 1..3), (map [ $_->rgba ], @plin_colors2),
( map [ 0,0,0,0 ], 1..3) ],
[ map [ $_->rgba ], $im->getscanline('y'=>2) ],
"check write to middle of line");
my $raw_colors = pack "H*", "FF00FFFF"."FF0000FF"."FFFFFFFF";
is($im->setscanline('y'=>3, 'x'=>2, pixels=>$raw_colors), 3,
"setscanline - scalar, default raw type")
or print "# ",$im->errstr,"\n";
is(uc unpack("H*", $im->getscanline('y'=>3, 'x'=>1, 'width'=>5)),
"00000000".uc(unpack "H*", $raw_colors)."00000000",
"check write");
# float colors
my @fcolors = ( $f_red, $f_blue, $f_black, $f_green );
is($im->setscanline('y'=>4, 'x'=>3, pixels=>\@fcolors), 4,
"setscanline - float arrayref");
is_deeply([ map [ $_->rgba ], @fcolors ],
[ map [ $_->rgba ], $im->getscanline('y'=>4, 'x'=>3, width=>4, type=>'float') ],
"check write");
# packed
my $packed_fcolors = pack "d*", map $_->rgba, @fcolors;
is($im->setscanline('y'=>5, 'x'=>4, pixels=>$packed_fcolors, type=>'float'), 4,
"setscanline - float scalar");
is_deeply([ map [ $_->rgba ], @fcolors ],
[ map [ $_->rgba ], $im->getscanline('y'=>5, 'x'=>4, width=>4, type=>'float') ],
"check write");
# get samples
is_deeply([ $im->getsamples('y'=>1, channels=>[ 0 ]) ],
[ map +($_->rgba)[0], @plin_colors ],
"get channel 0, list context, default x, width");
is_deeply([ unpack "C*", $im->getsamples('y'=>1, channels=>[0, 2]) ],
[ map { ($_->rgba)[0, 2] } @plin_colors ],
"get channel 0, 1, scalar context");
is_deeply([ $im->getsamples('y'=>4, 'x'=>3, width=>4, type=>'float',
channels=>[1,3]) ],
[ map { ($_->rgba)[1,3] } @fcolors ],
"get channels 1,3, list context, float samples");
is_deeply([ unpack "d*",
$im->getsamples('y'=>4, 'x'=>3, width=>4,
type=>'float', channels=>[3,2,1,0]) ],
[ map { ($_->rgba)[3,2,1,0] } @fcolors ],
"get channels 3..0 as scalar, float samples");
print "# end OO level scanline function tests\n";
}
{ # RT 74882
# for the non-gsamp_bits case with a target parameter it was
# treating the target parameter as a hashref
{
my $im = Imager->new(xsize => 10, ysize => 10);
my $c1 = NC(0, 63, 255);
my $c2 = NC(255, 128, 255);
is($im->setscanline(y => 1, pixels => [ ( $c1, $c2 ) x 5 ]),
10, "set some test data")
or diag "setscanline: ", $im->errstr;
my @target;
is($im->getsamples(y => 1, x => 1, target => \@target, width => 3),
9, "getsamples to target");
is_deeply(\@target, [ 255, 128, 255, 0, 63, 255, 255, 128, 255 ],
"check result");
}
{
my $im = Imager->new(xsize => 10, ysize => 10, bits => "double");
my $c1 = NCF(0, 0.25, 1.0);
my $c2 = NCF(1.0, 0.5, 1.0);
is($im->setscanline(y => 1, pixels => [ ( $c1, $c2 ) x 5 ]),
10, "set some test data")
or diag "setscanline: ", $im->errstr;
my @target;
is($im->getsamples(y => 1, x => 1, target => \@target, width => 3, type => "float"),
9, "getsamples to target");
is_deeply(\@target, [ 1.0, 0.5, 1.0, 0, 0.25, 1.0, 1.0, 0.5, 1.0 ],
"check result");
}
}
{ # to avoid confusion, i_glin/i_glinf modified to return 0 in unused
# channels at the perl level
my $im = Imager->new(xsize => 4, ysize => 4, channels => 2);
my $fill = Imager::Color->new(128, 255, 0, 0);
ok($im->box(filled => 1, color => $fill), 'fill it up');
my $data = $im->getscanline('y' => 0);
is(unpack("H*", $data), "80ff000080ff000080ff000080ff0000",
"check we get zeros");
my @colors = $im->getscanline('y' => 0);
is_color4($colors[0], 128, 255, 0, 0, "check object interface[0]");
is_color4($colors[1], 128, 255, 0, 0, "check object interface[1]");
is_color4($colors[2], 128, 255, 0, 0, "check object interface[2]");
is_color4($colors[3], 128, 255, 0, 0, "check object interface[3]");
my $dataf = $im->getscanline('y' => 0, type => 'float');
# the extra pack/unpack is to force double precision rather than long
# double, otherwise the test fails
is_deeply([ unpack("d*", $dataf) ],
[ unpack("d*", pack("d*", ( 128.0 / 255.0, 1.0, 0, 0, ) x 4)) ],
"check we get zeroes (double)");
my @fcolors = $im->getscanline('y' => 0, type => 'float');
is_fcolor4($fcolors[0], 128.0/255.0, 1.0, 0, 0, "check object interface[0]");
is_fcolor4($fcolors[1], 128.0/255.0, 1.0, 0, 0, "check object interface[1]");
is_fcolor4($fcolors[2], 128.0/255.0, 1.0, 0, 0, "check object interface[2]");
is_fcolor4($fcolors[3], 128.0/255.0, 1.0, 0, 0, "check object interface[3]");
}
{ # check the channel mask function
my $im = Imager->new(xsize => 10, ysize=>10, bits=>8);
mask_tests($im, 0.005);
}
{ # check bounds checking
my $im = Imager->new(xsize => 10, ysize => 10);
image_bounds_checks($im);
}
{ # setsamples() interface to psamp()
my $im = Imager->new(xsize => 10, ysize => 10);
is($im->setsamples(y => 1, x => 2, data => [ 1 .. 6 ]), 6,
"simple put (array), default channels");
is_deeply([ $im->getsamples(y => 1, x => 0) ],
[ (0) x 6, 1 .. 6, (0) x 18 ], "check they were stored");
is($im->setsamples(y => 3, x => 3, data => pack("C*", 2 .. 10 )), 9,
"simple put (scalar), default channels")
or diag $im->errstr;
is_deeply([ $im->getsamples(y => 3, x => 0) ],
[ (0) x 9, 2 .. 10, (0) x 12 ], "check they were stored");
is($im->setsamples(y => 4, x => 4, data => [ map $_ / 254.5, 1 .. 6 ], type => 'float'),
6, "simple put (float array), default channels");
is_deeply([ $im->getsamples(y => 4, x => 0) ],
[ (0) x 12, 1 .. 6, (0) x 12 ], "check they were stored");
is($im->setsamples(y => 5, x => 3, data => pack("d*", map $_ / 254.5, 1 .. 6), type => 'float'),
6, "simple put (float scalar), default channels");
is_deeply([ $im->getsamples(y => 5, x => 0) ],
[ (0) x 9, 1 .. 6, (0) x 15 ], "check they were stored");
is($im->setsamples(y => 7, x => 3, data => [ 0 .. 18 ], offset => 1), 18,
"setsamples offset");
is_deeply([ $im->getsamples(y => 7) ],
[ (0) x 9, 1 .. 18, (0) x 3 ],
"check result");
is($im->setsamples(y => 8, x => 3, data => [ map $_ / 254.9, 0 .. 18 ],
offset => 1, type => 'float'),
18, "setsamples offset (float)");
is_deeply([ $im->getsamples(y => 8) ],
[ (0) x 9, 1 .. 18, (0) x 3 ],
"check result");
is_deeply([ $im->setsamples(y => 6, x => 10, data => [ (0) x 3 ]) ],
[], "check out of range result (8bit)");
is($im->errstr, $psamp_outside_error, "check error message");
is_deeply([ $im->setsamples(y => 6, x => 10, data => [ (0) x 3 ], type => "float") ],
[], "check out of range result (float)");
is($im->errstr, $psamp_outside_error, "check error message");
is_deeply([ $im->setsamples(y => 6, x => 2, channels => [0, 1, 3 ],
data => [ (0) x 3 ]) ],
[], "check bad channels (8bit)");
is($im->errstr, "No channel 3 in this image",
"check error message");
is_deeply([ $im->setsamples(y => 6, x => 2, channels => [0, 1, 3 ],
data => [ (0) x 3 ], type => "float") ],
[], "check bad channels (float)");
is($im->errstr, "No channel 3 in this image",
"check error message");
is($im->setsamples(y => 5, data => [ (0) x 3 ], type => "bad"),
undef, "setsamples with bad type");
is($im->errstr, "setsamples: type parameter invalid",
"check error message");
is($im->setsamples(y => 5),
undef, "setsamples with no data");
is($im->errstr, "setsamples: data parameter missing",
"check error message");
is($im->setsamples(y => 5, data => undef),
undef, "setsamples with undef data");
is($im->errstr, "setsamples: data parameter not defined",
"check error message");
my $imempty = Imager->new;
is($imempty->setsamples(y => 0, data => [ (0) x 3 ]), undef,
"setsamples to empty image");
is($imempty->errstr, "setsamples: empty input image",
"check error message");
}
{ # getpixel parameters
my $im = Imager->new(xsize => 10, ysize => 10);
$im->box(filled => 1, xmax => 4, color => NC(255, 0, 0));
$im->box(filled => 1, xmin => 5, ymax => 4, color => NC(0, 255, 255));
$im->box(filled => 1, xmin => 5, ymin => 5, color => NC(255, 0, 255));
{ # error handling
my $empty = Imager->new;
ok(!$empty->getpixel(x => 0, y => 0), "getpixel empty image");
is($empty->errstr, "getpixel: empty input image", "check message");
ok(!$im->getpixel(y => 0), "missing x");
is($im->errstr, "getpixel: missing x or y parameter", "check message");
$im->_set_error("something different");
ok(!$im->getpixel(x => 0), "missing y");
is($im->errstr, "getpixel: missing x or y parameter", "check message");
ok(!$im->getpixel(x => [], y => 0), "empty x array ref");
is($im->errstr, "getpixel: x is a reference to an empty array",
"check message");
ok(!$im->getpixel(x => 0, y => []), "empty y array ref");
is($im->errstr, "getpixel: y is a reference to an empty array",
"check message");
ok(!$im->getpixel(x => 0, y => 0, type => "bad"), "bad type (scalar path)");
is($im->errstr, "getpixel: type must be '8bit' or 'float'",
"check message");
$im->_set_error("something different");
ok(!$im->getpixel(x => [ 0 ], y => [ 0 ], type => "bad"),
"bad type (array path)");
is($im->errstr, "getpixel: type must be '8bit' or 'float'",
"check message");
}
# simple calls
is_color3($im->getpixel(x => 1, y => 0), 255, 0, 0,
"getpixel(1, 0)");
is_color3($im->getpixel(x => 8, y => 1), 0, 255, 255,
"getpixel(8, 1)");
is_color3($im->getpixel(x => 8, y => 7), 255, 0, 255,
"getpixel(8, 7)");
{
# simple arrayrefs
my @colors = $im->getpixel(x => [ 0, 8, 7 ], y => [ 0, 7, 3 ]);
is(@colors, 3, "getpixel 2 3 element array refs");
is_color3($colors[0], 255, 0, 0, "check first color");
is_color3($colors[1], 255, 0, 255, "check second color");
is_color3($colors[2], 0, 255, 255, "check third color");
}
# array and scalar
{
my @colors = $im->getpixel(x => 5, y => [ 4, 5, 9 ]);
is(@colors, 3, "getpixel x scalar, y arrayref of 3");
is_color3($colors[0], 0, 255, 255, "check first color");
is_color3($colors[1], 255, 0, 255, "check second color");
is_color3($colors[2], 255, 0, 255, "check third color");
}
{
my @colors = $im->getpixel(x => [ 0, 4, 5 ], y => 2);
is(@colors, 3, "getpixel y scalar, x arrayref of 3");
is_color3($colors[0], 255, 0, 0, "check first color");
is_color3($colors[1], 255, 0, 0, "check second color");
is_color3($colors[2], 0, 255, 255, "check third color");
}
{ # float
is_fcolor3($im->getpixel(x => 1, y => 0, type => 'float'),
1.0, 0, 0, "getpixel(1,0) float");
is_fcolor3($im->getpixel(x => 8, y => 1, type => 'float'),
0, 1.0, 1.0, "getpixel(8,1) float");
is_fcolor3($im->getpixel(x => 8, y => 7, type => 'float'),
1.0, 0, 1.0, "getpixel(8,7) float");
my @colors = $im->getpixel(x => [ 0, 8, 7 ], y => [ 0, 7, 3 ], type => 'float');
is(@colors, 3, "getpixel 2 3 element array refs (float)");
is_fcolor3($colors[0], 1, 0, 0, "check first color");
is_fcolor3($colors[1], 1, 0, 1, "check second color");
is_fcolor3($colors[2], 0, 1, 1, "check third color");
}
{ # out of bounds
my @colors = $im->getpixel(x => [ 0, -1, 5, 10 ], y => 0);
is(@colors, 4, "should be 4 entries")
or diag $im->errstr;
is_color3($colors[0], 255, 0, 0, "first red");
is($colors[1], undef, "second undef");
is_color3($colors[2], 0, 255, 255, "third cyan");
is($colors[3], undef, "fourth undef");
}
{ # out of bounds
my @colors = $im->getpixel(x => [ 0, -1, 5, 10 ], y => 0, type => "float");
is(@colors, 4, "should be 4 entries")
or diag $im->errstr;
is_fcolor3($colors[0], 1.0, 0, 0, "first red");
is($colors[1], undef, "second undef");
is_fcolor3($colors[2], 0, 1.0, 1.0, "third cyan");
is($colors[3], undef, "fourth undef");
}
}
{ # setpixel
my $im = Imager->new(xsize => 10, ysize => 10);
{ # errors
my $empty = Imager->new;
ok(!$empty->setpixel(x => 0, y => 0, color => $red),
"setpixel on empty image");
is($empty->errstr, "setpixel: empty input image", "check message");
ok(!$im->setpixel(y => 0, color => $red), "missing x");
is($im->errstr, "setpixel: missing x or y parameter", "check message");
$im->_set_error("something different");
ok(!$im->setpixel(x => 0, color => $red), "missing y");
is($im->errstr, "setpixel: missing x or y parameter", "check message");
ok(!$im->setpixel(x => [], y => 0, color => $red), "empty x array ref");
is($im->errstr, "setpixel: x is a reference to an empty array",
"check message");
ok(!$im->setpixel(x => 0, y => [], color => $red), "empty y array ref");
is($im->errstr, "setpixel: y is a reference to an empty array",
"check message");
ok(!$im->setpixel(x => 0, y => 0, color => "not really a color"),
"color not a color");
is($im->errstr, "setpixel: No color named not really a color found",
"check message");
}
# simple set
is($im->setpixel(x => 0, y => 0, color => $red), $im,
"simple setpixel")
or diag "simple set float: ", $im->errstr;
is_color3($im->getpixel(x => 0, y => 0), 255, 0, 0, "check stored pixel");
is($im->setpixel(x => 1, y => 2, color => $f_red), $im,
"simple setpixel (float)")
or diag "simple set float: ", $im->errstr;
is_color3($im->getpixel(x => 1, y => 2), 255, 0, 0, "check stored pixel");
is($im->setpixel(x => -1, y => 0, color => $red), undef,
"simple setpixel outside of image");
is($im->setpixel(x => 0, y => -1, color => $f_red), undef,
"simple setpixel (float) outside of image");
# simple arrayrefs
is($im->setpixel( x => [ 0, 8, 7 ], y => [ 0, 7, 3 ], color => $blue),
3, "setpixel with 3 element array refs");
my @colors = $im->getpixel(x => [ 8, 7, 0 ], y => [ 7, 3, 0 ]);
is_color3($colors[0], 0, 0, 255, "check first color");
is_color3($colors[1], 0, 0, 255, "check second color");
is_color3($colors[2], 0, 0, 255, "check third color");
# array and scalar
{
is($im->setpixel(x => 5, y => [ 4, 5, 9 ], color => $green), 3,
"setpixel with x scalar, y arrayref of 3");
my @colors = $im->getpixel(x => [ 5, 5, 5 ], y => [ 4, 5, 9 ]);
is_color3($colors[0], 0, 255, 0, "check first color");
is_color3($colors[1], 0, 255, 0, "check second color");
is_color3($colors[2], 0, 255, 0, "check third color");
}
{
is($im->setpixel(x => [ 0, 4, 5 ], y => 2, color => $blue), 3,
"setpixel with y scalar, x arrayref of 3");
my @colors = $im->getpixel(x => [ 0, 4, 5 ], y => [ 2, 2, 2 ]);
is_color3($colors[0], 0, 0, 255, "check first color");
is_color3($colors[1], 0, 0, 255, "check second color");
is_color3($colors[2], 0, 0, 255, "check third color");
}
{
is($im->setpixel(x => [ 0, -1, 10, 5, 0 ], y => [ 0, 1, 2, 3, 1 ], color => $blue), 3,
"set array with two bad locations")
or diag "set array bad locations: ", $im->errstr;
my @colors = $im->getpixel(x => [ 0, 5, 0 ], y => [ 0, 3, 1 ]);
is_color3($colors[0], 0, 0, 255, "check first color");
is_color3($colors[1], 0, 0, 255, "check second color");
is_color3($colors[2], 0, 0, 255, "check third color");
}
{
is($im->setpixel(x => [ 0, -1, 10, 5, 0 ], y => [ 0, 1, 2, 3, 1 ], color => $f_green), 3,
"set array with two bad locations (float)")
or diag "set array bad locations (float): ", $im->errstr;
my @colors = $im->getpixel(x => [ 0, 5, 0 ], y => [ 0, 3, 1 ]);
is_color3($colors[0], 0, 255, 0, "check first color");
is_color3($colors[1], 0, 255, 0, "check second color");
is_color3($colors[2], 0, 255, 0, "check third color");
}
{ # default color
is($im->setpixel(x => 0, y => 9), $im, "setpixel() default color")
or diag "setpixel default color: ", $im->errstr;
is_color3($im->getpixel(x => 0, y => 9), 255, 255, 255,
"check color set");
}
}
Imager->close_log();
unless ($ENV{IMAGER_KEEP_FILES}) {
unlink "testout/t01introvert.log";
}
sub check_add {
my ($im, $color, $expected) = @_;
my $index = Imager::i_addcolors($im, $color);
ok($index, "got index");
print "# $index\n";
is(0+$index, $expected, "index matched expected");
my ($new) = Imager::i_getcolors($im, $index);
ok($new, "got the color");
ok(color_cmp($new, $color) == 0, "color matched what was added");
$index;
}
# sub array_ncmp {
# my ($a1, $a2) = @_;
# my $len = @$a1 < @$a2 ? @$a1 : @$a2;
# for my $i (0..$len-1) {
# my $diff = $a1->[$i] <=> $a2->[$i]
# and return $diff;
# }
# return @$a1 <=> @$a2;
# }
sub dump_colors {
for my $col (@_) {
print "# ", map(sprintf("%02X", $_), ($col->rgba)[0..2]),"\n";
}
}
sub _get_error {
my @errors = Imager::i_errors();
return join(": ", map $_->[0], @errors);
}
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