+{
+ # 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:
+ {
+ skip("don't want to allocate 4Gb", 10)
+ unless $Config{intsize} == 4;
+
+ my $uint_range = 256 ** $Config{intsize};
+ my $dim1 = int(sqrt($uint_range))+1;
+
+ my $im_b = Imager->new(xsize=>$dim1, ysize=>$dim1, channels=>1, type=>'paletted');
+ is($im_b, undef, "integer overflow check - 1 channel");
+
+ $im_b = Imager->new(xisze=>$dim1, ysize=>1, channels=>1, type=>'paletted');
+ ok($im_b, "but same width ok");
+ $im_b = Imager->new(xisze=>1, ysize=>$dim1, channels=>1, type=>'paletted');
+ 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
+ # for paletted images the third dimension can't cause an overflow
+ # but make sure we didn't anything too dumb in the checks
+ my $dim3 = $dim1;
+
+ $im_b = Imager->new(xsize=>$dim3, ysize=>$dim3, channels=>3, type=>'paletted');
+ is($im_b, undef, "integer overflow check - 3 channel");
+
+ $im_b = Imager->new(xsize=>$dim3, ysize=>1, channels=>3, type=>'paletted');
+ ok($im_b, "but same width ok");
+ $im_b = Imager->new(xsize=>1, ysize=>$dim3, channels=>3, type=>'paletted');
+ ok($im_b, "but same height ok");
+
+ cmp_ok(Imager->errstr, '=~', qr/integer overflow/,
+ "check the error message");
+
+ # test the scanline allocation check
+ # divide by 2 to get int range, by 3 so that the image (one byte/pixel)
+ # doesn't integer overflow, but the scanline of i_color (4/pixel) does
+ my $dim4 = $uint_range / 2 / 3;
+ my $im_o = Imager->new(xsize=>$dim4, ysize=>1, channels=>3, type=>'paletted');
+ is($im_o, undef, "integer overflow check - scanline size");
+ cmp_ok(Imager->errstr, '=~',
+ qr/integer overflow calculating scanline allocation/,
+ "check 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);
+ $img->to_paletted();
+ cmp_ok($warning, '=~', 'void', "correct warning");
+ cmp_ok($warning, '=~', 't023palette\\.t', "correct file");
+}
+
+{ # http://rt.cpan.org/NoAuth/Bug.html?id=12676
+ # setcolors() has a fencepost error
+ my $img = Imager->new(xsize=>10, ysize=>10, type=>'paletted');
+
+ is($img->addcolors(colors=>[ $black, $red ]), "0 but true",
+ "add test colors");
+ ok($img->setcolors(start=>1, colors=>[ $green ]), "set the last color");
+ ok(!$img->setcolors(start=>2, colors=>[ $black ]),
+ "set after the last color");
+}
+
+{ # https://rt.cpan.org/Ticket/Display.html?id=20056
+ # added named color support to addcolor/setcolor
+ my $img = Imager->new(xsize => 10, ysize => 10, type => 'paletted');
+ is($img->addcolors(colors => [ qw/000000 FF0000/ ]), "0 but true",
+ "add colors as strings instead of objects");
+ my @colors = $img->getcolors;
+ iscolor($colors[0], $black, "check first color");
+ iscolor($colors[1], $red, "check second color");
+ ok($img->setcolors(colors => [ qw/00FF00 0000FF/ ]),
+ "setcolors as strings instead of objects");
+ @colors = $img->getcolors;
+ iscolor($colors[0], $green, "check first color");
+ iscolor($colors[1], $blue, "check second color");
+
+ # make sure we handle bad colors correctly
+ is($img->colorcount, 2, "start from a known state");
+ is($img->addcolors(colors => [ 'XXFGXFXGXFX' ]), undef,
+ "fail to add unknown color");
+ is($img->errstr, 'No color named XXFGXFXGXFX found', 'check error message');
+ is($img->setcolors(colors => [ 'XXFGXFXGXFXZ' ]), undef,
+ "fail to set to unknown color");
+ is($img->errstr, 'No color named XXFGXFXGXFXZ found', 'check error message');
+}
+
+{ # https://rt.cpan.org/Ticket/Display.html?id=20338
+ # OO interface to i_glin/i_plin
+ my $im = Imager->new(xsize => 10, ysize => 10, type => 'paletted');
+ is($im->addcolors(colors => [ "#000", "#F00", "#0F0", "#00F" ]), "0 but true",
+ "add some test colors")
+ or print "# ", $im->errstr, "\n";
+ # set a pixel to check
+ $im->setpixel(x => 1, 'y' => 0, color => "#0F0");
+ is_deeply([ $im->getscanline('y' => 0, type=>'index') ],
+ [ 0, 2, (0) x 8 ], "getscanline index in list context");
+ isbin($im->getscanline('y' => 0, type=>'index'),
+ "\x00\x02" . "\x00" x 8,
+ "getscanline index in scalar context");
+ is($im->setscanline('y' => 0, pixels => [ 1, 2, 0, 3 ], type => 'index'),
+ 4, "setscanline with list");
+ is($im->setscanline('y' => 0, x => 4, pixels => pack("C*", 3, 2, 1, 0, 3),
+ type => 'index'),
+ 5, "setscanline with pv");
+ is_deeply([ $im->getscanline(type => 'index', 'y' => 0) ],
+ [ 1, 2, 0, 3, 3, 2, 1, 0, 3, 0 ],
+ "check values set");
+ eval { # should croak on OOR index
+ $im->setscanline('y' => 1, pixels => [ 255 ], type=>'index');
+ };
+ ok($@, "croak on setscanline() to invalid index");
+ eval { # same again with pv
+ $im->setscanline('y' => 1, pixels => "\xFF", type => 'index');
+ };
+ ok($@, "croak on setscanline() with pv to invalid index");
+}
+
+{
+ print "# make_colors => mono\n";
+ # test mono make_colors
+ my $imrgb = Imager->new(xsize => 10, ysize => 10);
+ $imrgb->setpixel(x => 0, 'y' => 0, color => '#FFF');
+ $imrgb->setpixel(x => 1, 'y' => 0, color => '#FF0');
+ $imrgb->setpixel(x => 2, 'y' => 0, color => '#000');
+ my $mono = $imrgb->to_paletted(make_colors => 'mono',
+ translate => 'closest');
+ is($mono->type, 'paletted', "check we get right image type");
+ is($mono->colorcount, 2, "only 2 colors");
+ my ($is_mono, $ziw) = $mono->is_bilevel;
+ ok($is_mono, "check monochrome check true");
+ is($ziw, 0, "check ziw false");
+ my @colors = $mono->getcolors;
+ iscolor($colors[0], $black, "check first entry");
+ iscolor($colors[1], $white, "check second entry");
+ my @pixels = $mono->getscanline(x => 0, 'y' => 0, width => 3, type=>'index');
+ is($pixels[0], 1, "check white pixel");
+ is($pixels[1], 1, "check yellow pixel");
+ is($pixels[2], 0, "check black pixel");
+}
+
+{ # check for the various mono images we accept
+ my $mono_8_bw_3 = Imager->new(xsize => 2, ysize => 2, channels => 3,
+ type => 'paletted');
+ ok($mono_8_bw_3->addcolors(colors => [ qw/000000 FFFFFF/ ]),
+ "mono8bw3 - add colors");
+ ok($mono_8_bw_3->is_bilevel, "it's mono");
+ is(($mono_8_bw_3->is_bilevel)[1], 0, 'zero not white');
+
+ my $mono_8_wb_3 = Imager->new(xsize => 2, ysize => 2, channels => 3,
+ type => 'paletted');
+ ok($mono_8_wb_3->addcolors(colors => [ qw/FFFFFF 000000/ ]),
+ "mono8wb3 - add colors");
+ ok($mono_8_wb_3->is_bilevel, "it's mono");
+ is(($mono_8_wb_3->is_bilevel)[1], 1, 'zero is white');
+
+ my $mono_8_bw_1 = Imager->new(xsize => 2, ysize => 2, channels => 1,
+ type => 'paletted');
+ ok($mono_8_bw_1->addcolors(colors => [ qw/000000 FFFFFF/ ]),
+ "mono8bw - add colors");
+ ok($mono_8_bw_1->is_bilevel, "it's mono");
+ is(($mono_8_bw_1->is_bilevel)[1], 0, 'zero not white');
+
+ my $mono_8_wb_1 = Imager->new(xsize => 2, ysize => 2, channels => 1,
+ type => 'paletted');
+ ok($mono_8_wb_1->addcolors(colors => [ qw/FFFFFF 000000/ ]),
+ "mono8wb - add colors");
+ ok($mono_8_wb_1->is_bilevel, "it's mono");
+ is(($mono_8_wb_1->is_bilevel)[1], 1, 'zero is white');
+}
+
+{ # check bounds checking
+ my $im = Imager->new(xsize => 10, ysize => 10, type=>'paletted');
+ ok($im->addcolors(colors => [ $black ]), "add color of pixel bounds check writes");
+
+ image_bounds_checks($im);
+}
+
+{ # test colors array returns colors
+ my $data;
+ my $im = test_image();
+ my @colors;
+ my $imp = $im->to_paletted(colors => \@colors,
+ make_colors => 'webmap',
+ translate => 'closest');
+ ok($imp, "made paletted");
+ is(@colors, 216, "should be 216 colors in the webmap");
+ is_color3($colors[0], 0, 0, 0, "first should be 000000");
+ is_color3($colors[1], 0, 0, 0x33, "second should be 000033");
+ is_color3($colors[8], 0, 0x33, 0x66, "9th should be 003366");
+}
+
+sub iscolor {
+ my ($c1, $c2, $msg) = @_;
+
+ my $builder = Test::Builder->new;
+ my @c1 = $c1->rgba;
+ my @c2 = $c2->rgba;
+ if (!$builder->ok($c1[0] == $c2[0] && $c1[1] == $c2[1] && $c1[2] == $c2[2],
+ $msg)) {
+ $builder->diag(<<DIAG);
+ got color: [ @c1 ]
+ expected color: [ @c2 ]
+DIAG
+ }
+}
+
+sub isbin ($$$) {
+ my ($got, $expected, $msg) = @_;
+
+ my $builder = Test::Builder->new;
+ if (!$builder->ok($got eq $expected, $msg)) {
+ (my $got_dec = $got) =~ s/([^ -~])/sprintf("\\x%02x", ord $1)/ge;
+ (my $exp_dec = $expected) =~ s/([^ -~])/sprintf("\\x%02x", ord $1)/ge;
+ $builder->diag(<<DIAG);
+ got: "$got_dec"
+ expected: "$exp_dec"
+DIAG
+ }
+}
+
projects / imager.git / blobdiff