#!perl -w
# some of this is tested in t01introvert.t too
use strict;
-use lib 't';
-use Test::More tests => 62;
-BEGIN { use_ok("Imager"); }
+use Test::More tests => 206;
+BEGIN { use_ok("Imager", ':handy'); }
+
+use Imager::Test qw(image_bounds_checks test_image is_color3 isnt_image is_color4);
+
+Imager->open_log(log => "testout/t023palette.log");
+
+sub isbin($$$);
my $img = Imager->new(xsize=>50, ysize=>50, type=>'paletted');
ok($img, "paletted image created");
-ok($img->type eq 'paletted', "got a paletted image");
+is($img->type, 'paletted', "got a paletted image");
my $black = Imager::Color->new(0,0,0);
my $red = Imager::Color->new(255,0,0);
# draw on the image, make sure it stays paletted when it should
ok($img->box(color=>$red, filled=>1), "fill with red");
-ok($img->type eq 'paletted', "paletted after fill");
+is($img->type, 'paletted', "paletted after fill");
ok($img->box(color=>$green, filled=>1, xmin=>10, ymin=>10,
xmax=>40, ymax=>40), "green box");
-ok($img->type eq 'paletted', 'still paletted after box');
+is($img->type, 'paletted', 'still paletted after box');
# an AA line will almost certainly convert the image to RGB, don't use
# an AA line here
ok($img->line(color=>$blue, x1=>10, y1=>10, x2=>40, y2=>40),
"draw a line");
-ok($img->type eq 'paletted', 'still paletted after line');
+is($img->type, 'paletted', 'still paletted after line');
# draw with white - should convert to direct
ok($img->box(color=>$white, filled=>1, xmin=>20, ymin=>20,
xmax=>30, ymax=>30), "white box");
-ok($img->type eq 'direct', "now it should be direct");
+is($img->type, 'direct', "now it should be direct");
# various attempted to make a paletted image from our now direct image
my $palimg = $img->to_paletted;
use Config;
SKIP:
{
- skip("don't want to allocate 4Gb", 8)
- unless $Config{intsize} == 4;
+ skip("don't want to allocate 4Gb", 10)
+ unless $Config{ptrsize} == 4;
my $uint_range = 256 ** $Config{intsize};
my $dim1 = int(sqrt($uint_range))+1;
$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(xisze=>$dim3, ysize=>1, channels=>3, type=>'paletted');
+ $im_b = Imager->new(xsize=>$dim3, ysize=>1, channels=>3, type=>'paletted');
ok($im_b, "but same width ok");
- $im_b = Imager->new(xisze=>1, ysize=>$dim3, channels=>3, type=>'paletted');
+ $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 / 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");
}
}
"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");
+}
+
+{ # RT 68508
+ my $im = Imager->new(xsize => 10, ysize => 10);
+ $im->box(filled => 1, color => Imager::Color->new(255, 0, 0));
+ my $palim = $im->to_paletted(make_colors => "mono", translate => "errdiff");
+ ok($palim, "convert to mono with error diffusion");
+ my $blank = Imager->new(xsize => 10, ysize => 10);
+ isnt_image($palim, $blank, "make sure paletted isn't all black");
+}
+
+{ # check validation of palette entries
+ my $im = Imager->new(xsize => 10, ysize => 10, type => 'paletted');
+ $im->addcolors(colors => [ $black, $red ]);
+ {
+ my $no_croak = eval {
+ $im->setscanline(y => 0, type => 'index', pixels => [ 0, 1 ]);
+ 1;
+ };
+ ok($no_croak, "valid values don't croak");
+ }
+ {
+ my $no_croak = eval {
+ $im->setscanline(y => 0, type => 'index', pixels => pack("C*", 0, 1));
+ 1;
+ };
+ ok($no_croak, "valid values don't croak (packed)");
+ }
+ {
+ my $no_croak = eval {
+ $im->setscanline(y => 0, type => 'index', pixels => [ 2, 255 ]);
+ 1;
+ };
+ ok(!$no_croak, "invalid values do croak");
+ }
+ {
+ my $no_croak = eval {
+ $im->setscanline(y => 0, type => 'index', pixels => pack("C*", 2, 255));
+ 1;
+ };
+ ok(!$no_croak, "invalid values do croak (packed)");
+ }
+}
+
+{
+ my $im = Imager->new(xsize => 1, ysize => 1);
+ my $im_bad = Imager->new;
+ {
+ my @map = Imager->make_palette({});
+ ok(!@map, "make_palette should fail with no images");
+ is(Imager->errstr, "make_palette: supply at least one image",
+ "check error message");
+ }
+ {
+ my @map = Imager->make_palette({}, $im, $im_bad, $im);
+ ok(!@map, "make_palette should fail with an empty image");
+ is(Imager->errstr, "make_palette: image 2 is empty",
+ "check error message");
+ }
+ {
+ my @map = Imager->make_palette({ make_colors => "mono" }, $im);
+ is(@map, 2, "mono should make 2 color palette")
+ or skip("unexpected color count", 2);
+ is_color4($map[0], 0, 0, 0, 255, "check map[0]");
+ is_color4($map[1], 255, 255, 255, 255, "check map[1]");
+ }
+ {
+ my @map = Imager->make_palette({ make_colors => "gray4" }, $im);
+ is(@map, 4, "gray4 should make 4 color palette")
+ or skip("unexpected color count", 4);
+ is_color4($map[0], 0, 0, 0, 255, "check map[0]");
+ is_color4($map[1], 85, 85, 85, 255, "check map[1]");
+ is_color4($map[2], 170, 170, 170, 255, "check map[2]");
+ is_color4($map[3], 255, 255, 255, 255, "check map[3]");
+ }
+ {
+ my @map = Imager->make_palette({ make_colors => "gray16" }, $im);
+ is(@map, 16, "gray16 should make 16 color palette")
+ or skip("unexpected color count", 4);
+ is_color4($map[0], 0, 0, 0, 255, "check map[0]");
+ is_color4($map[1], 17, 17, 17, 255, "check map[1]");
+ is_color4($map[2], 34, 34, 34, 255, "check map[2]");
+ is_color4($map[15], 255, 255, 255, 255, "check map[15]");
+ }
+ {
+ my @map = Imager->make_palette({ make_colors => "gray" }, $im);
+ is(@map, 256, "gray16 should make 256 color palette")
+ or skip("unexpected color count", 4);
+ is_color4($map[0], 0, 0, 0, 255, "check map[0]");
+ is_color4($map[1], 1, 1, 1, 255, "check map[1]");
+ is_color4($map[33], 33, 33, 33, 255, "check map[2]");
+ is_color4($map[255], 255, 255, 255, 255, "check map[15]");
+ }
+}
+
+my $psamp_outside_error = "Image position outside of image";
+{ # psamp
+ print "# psamp\n";
+ my $imraw = Imager::i_img_pal_new(10, 10, 3, 255);
+ my @colors =
+ (
+ NC(0, 0, 0), NC(255, 128, 64), NC(64, 128, 192),
+ NC(64, 0, 192), NC(255, 128, 0), NC(64, 32, 0),
+ NC(128, 63, 32), NC(255, 128, 32), NC(64, 32, 16),
+ );
+ is(Imager::i_addcolors($imraw, @colors), "0 but true",
+ "add colors needed for testing");
+ {
+ is(Imager::i_psamp($imraw, 0, 2, undef, [ 255, 128, 64 ]), 3,
+ "i_psamp def channels, 3 samples");
+ is_color3(Imager::i_get_pixel($imraw, 0, 2), 255, 128, 64,
+ "check color written");
+ Imager::i_img_setmask($imraw, 5);
+ is(Imager::i_psamp($imraw, 1, 3, undef, [ 64, 128, 192 ]), 3,
+ "i_psamp def channels, 3 samples, masked");
+ is_color3(Imager::i_get_pixel($imraw, 1, 3), 64, 0, 192,
+ "check color written");
+ is(Imager::i_psamp($imraw, 1, 7, [ 0, 1, 2 ], [ 64, 128, 192 ]), 3,
+ "i_psamp channels listed, 3 samples, masked");
+ is_color3(Imager::i_get_pixel($imraw, 1, 7), 64, 0, 192,
+ "check color written");
+ Imager::i_img_setmask($imraw, ~0);
+ is(Imager::i_psamp($imraw, 2, 4, [ 0, 1 ], [ 255, 128, 64, 32 ]), 4,
+ "i_psamp channels [0, 1], 4 samples");
+ is_color3(Imager::i_get_pixel($imraw, 2, 4), 255, 128, 0,
+ "check first color written");
+ is_color3(Imager::i_get_pixel($imraw, 3, 4), 64, 32, 0,
+ "check second color written");
+ is(Imager::i_psamp($imraw, 0, 5, [ 0, 1, 2 ], [ (128, 63, 32) x 10 ]), 30,
+ "write a full row");
+ is_deeply([ Imager::i_gsamp($imraw, 0, 10, 5, [ 0, 1, 2 ]) ],
+ [ (128, 63, 32) x 10 ],
+ "check full row");
+ is(Imager::i_psamp($imraw, 8, 8, [ 0, 1, 2 ],
+ [ 255, 128, 32, 64, 32, 16, 32, 16, 8 ]),
+ 6, "i_psamp channels [0, 1, 2], 9 samples, but room for 6");
+ }
+ { # errors we catch
+ is(Imager::i_psamp($imraw, 6, 8, [ 0, 1, 3 ], [ 255, 128, 32 ]),
+ undef, "i_psamp channels [0, 1, 3], 3 samples (invalid channel number)");
+ is(_get_error(), "No channel 3 in this image",
+ "check error message");
+ is(Imager::i_psamp($imraw, 6, 8, [ 0, 1, -1 ], [ 255, 128, 32 ]),
+ undef, "i_psamp channels [0, 1, -1], 3 samples (invalid channel number)");
+ is(_get_error(), "No channel -1 in this image",
+ "check error message");
+ is(Imager::i_psamp($imraw, 0, -1, undef, [ 0, 0, 0 ]), undef,
+ "negative y");
+ is(_get_error(), $psamp_outside_error, "check message");
+ is(Imager::i_psamp($imraw, 0, 10, undef, [ 0, 0, 0 ]), undef,
+ "y overflow");
+ is(_get_error(), $psamp_outside_error, "check message");
+ is(Imager::i_psamp($imraw, -1, 0, undef, [ 0, 0, 0 ]), undef,
+ "negative x");
+ is(_get_error(), $psamp_outside_error, "check message");
+ is(Imager::i_psamp($imraw, 10, 0, undef, [ 0, 0, 0 ]), undef,
+ "x overflow");
+ is(_get_error(), $psamp_outside_error, "check message");
+ }
+ ok(Imager::i_img_type($imraw), "still paletted");
+ print "# end psamp tests\n";
+}
+
+{ # psampf
+ print "# psampf\n";
+ my $imraw = Imager::i_img_pal_new(10, 10, 3, 255);
+ my @colors =
+ (
+ NC(0, 0, 0), NC(255, 127, 63), NC(64, 128, 192),
+ NC(63, 0, 191), NC(255, 127, 0), NC(63, 31, 0),
+ NC(127, 63, 31), NC(255, 127, 31), NC(63, 31, 15),
+ );
+ is(Imager::i_addcolors($imraw, @colors), "0 but true",
+ "add colors needed for testing");
+ {
+ 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, 127, 63,
+ "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), 63, 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), 63, 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, 127, 0,
+ "check first color written");
+ is_color3(Imager::i_get_pixel($imraw, 3, 4), 63, 31, 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 ]) ],
+ [ (127, 63, 31) x 10 ],
+ "check full row");
+ is(Imager::i_psampf($imraw, 8, 8, [ 0, 1, 2 ],
+ [ 1.0, 0.5, 0.125, 0.25, 0.125, 0.0625, 0.125, 0, 1 ]),
+ 6, "i_psampf channels [0, 1, 2], 9 samples, but room for 6");
+ }
+ { # errors we catch
+ is(Imager::i_psampf($imraw, 6, 8, [ 0, 1, 3 ], [ 1, 0.5, 0.125 ]),
+ undef, "i_psampf channels [0, 1, 3], 3 samples (invalid channel number)");
+ is(_get_error(), "No channel 3 in this image",
+ "check error message");
+ is(Imager::i_psampf($imraw, 6, 8, [ 0, 1, -1 ], [ 1, 0.5, 0.125 ]),
+ undef, "i_psampf channels [0, 1, -1], 3 samples (invalid channel number)");
+ is(_get_error(), "No channel -1 in this image",
+ "check error message");
+ is(Imager::i_psampf($imraw, 0, -1, undef, [ 0, 0, 0 ]), undef,
+ "negative y");
+ is(_get_error(), $psamp_outside_error, "check message");
+ is(Imager::i_psampf($imraw, 0, 10, undef, [ 0, 0, 0 ]), undef,
+ "y overflow");
+ is(_get_error(), $psamp_outside_error, "check message");
+ is(Imager::i_psampf($imraw, -1, 0, undef, [ 0, 0, 0 ]), undef,
+ "negative x");
+ is(_get_error(), $psamp_outside_error, "check message");
+ is(Imager::i_psampf($imraw, 10, 0, undef, [ 0, 0, 0 ]), undef,
+ "x overflow");
+ is(_get_error(), $psamp_outside_error, "check message");
+ }
+ ok(Imager::i_img_type($imraw), "still paletted");
+ print "# end psampf tests\n";
+}
+
+Imager->close_log;
+
+unless ($ENV{IMAGER_KEEP_FILES}) {
+ unlink "testout/t023palette.log"
+}
+
+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: "$exp_dec"
+DIAG
+ }
+}
+
sub coloreq {
my ($left, $right, $comment) = @_;
$comment);
}
+sub _get_error {
+ my @errors = Imager::i_errors();
+ return join(": ", map $_->[0], @errors);
+}
projects / imager.git / blobdiff