-#!perl -w
-# t/t01introvert.t - tests internals of image formats
-# to make sure we get expected values
-
-use strict;
-use Test::More tests => 466;
-
-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($colors[3], 0, 0, 0, "still black");
- my @samples = Imager::i_gsamp($im_pal2, 0, 100, 0, [ 0, 1, 2 ]);
- my @expect = unpack("C*", "\0\xFF\0\0\0\0"."\xFF\0\0" x 48 . "\0\0\xFF" x 50);
- my $match_list = is_deeply(\@samples, \@expect, "colors are still correct");
- my $samples = Imager::i_gsamp($im_pal2, 0, 100, 0, [ 0, 1, 2 ]);
- my $match_scalar = is_deeply([ unpack("C*", $samples) ],
- \@expect, "colors are still correct (scalar)");
- unless ($match_list && $match_scalar) {
- # this has been failing on a particular smoker, provide more
- # diagnostic information
- print STDERR "Pallete:\n";
- print STDERR " $_: ", join(",", $colors[$_]->rgba), "\n" for 0..$#colors;
- print STDERR "Samples (list): ", join(",", @samples), "\n";
- print STDERR "Samples (scalar): ", join(",", unpack("C*", $samples)), "\n";
- print STDERR "Indexes: ", join(",", Imager::i_gpal($im_pal2, 0, 100, 0)), "\n";
- }
-}
-
-# 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");
-}
-
-{
- my $im = Imager->new;
- ok($im, "make empty image");
- ok(!$im->to_rgb8, "convert to rgb8");
- is($im->errstr, "to_rgb8: empty input image", "check message");
- is($im->bits, undef, "can't call bits on an empty image");
- is($im->errstr, "bits: empty input image", "check message");
- is($im->type, undef, "can't call type on an empty image");
- is($im->errstr, "type: empty input image", "check message");
- is($im->virtual, undef, "can't call virtual on an empty image");
- is($im->errstr, "virtual: empty input image", "check message");
- is($im->is_bilevel, undef, "can't call virtual on an empty image");
- is($im->errstr, "is_bilevel: empty input image", "check message");
- ok(!$im->getscanline(y => 0), "can't call getscanline on an empty image");
- is($im->errstr, "getscanline: empty input image", "check message");
- ok(!$im->setscanline(y => 0, pixels => [ $red, $blue ]),
- "can't call setscanline on an empty image");
- is($im->errstr, "setscanline: empty input image", "check message");
- ok(!$im->getsamples(y => 0), "can't call getsamples on an empty image");
- is($im->errstr, "getsamples: empty input image", "check message");
- is($im->getwidth, undef, "can't get width of empty image");
- is($im->errstr, "getwidth: empty input image", "check message");
- is($im->getheight, undef, "can't get height of empty image");
- is($im->errstr, "getheight: empty input image", "check message");
- is($im->getchannels, undef, "can't get channels of empty image");
- is($im->errstr, "getchannels: empty input image", "check message");
- is($im->getmask, undef, "can't get mask of empty image");
- is($im->errstr, "getmask: empty input image", "check message");
- is($im->setmask, undef, "can't set mask of empty image");
- is($im->errstr, "setmask: 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");
- }
-}
-
-{
- my $empty = Imager->new;
- ok(!$empty->addtag(name => "foo", value => 1),
- "can't addtag on an empty image");
- is($empty->errstr, "addtag: empty input image",
- "check error message");
- ok(!$empty->settag(name => "foo", value => 1),
- "can't settag on an empty image");
- is($empty->errstr, "settag: empty input image",
- "check error message");
- ok(!$empty->deltag(name => "foo"), "can't deltag on an empty image");
- is($empty->errstr, "deltag: empty input image",
- "check error message");
- ok(!$empty->tags(name => "foo"), "can't tags on an empty image");
- is($empty->errstr, "tags: empty input image",
- "check error message");
-}
-
-Imager->close_log();
-
-unless ($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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