3 BEGIN { $| = 1; print "1..50\n"; }
5 END {print "not ok 1\n" unless $loaded;}
6 use Imager qw(:all :handy);
11 require "t/testtools.pl";
13 init_log("testout/t022double.log", 1);
15 use Imager::Color::Float;
17 my $im_g = Imager::i_img_double_new(100, 101, 1);
19 ok(2, Imager::i_img_getchannels($im_g) == 1,
20 "1 channel image channel count mismatch");
21 ok(3, Imager::i_img_getmask($im_g) & 1, "1 channel image bad mask");
22 ok(4, Imager::i_img_virtual($im_g) == 0,
23 "1 channel image thinks it is virtual");
24 my $double_bits = length(pack("d", 1)) * 8;
25 print "# $double_bits double bits\n";
26 ok(5, Imager::i_img_bits($im_g) == $double_bits,
27 "1 channel image has bits != $double_bits");
28 ok(6, Imager::i_img_type($im_g) == 0, "1 channel image isn't direct");
30 my @ginfo = i_img_info($im_g);
31 ok(7, $ginfo[0] == 100, "1 channel image width incorrect");
32 ok(8, $ginfo[1] == 101, "1 channel image height incorrect");
36 my $im_rgb = Imager::i_img_double_new(100, 101, 3);
38 ok(9, Imager::i_img_getchannels($im_rgb) == 3,
39 "3 channel image channel count mismatch");
40 ok(10, (Imager::i_img_getmask($im_rgb) & 7) == 7, "3 channel image bad mask");
41 ok(11, Imager::i_img_bits($im_rgb) == $double_bits,
42 "3 channel image has bits != $double_bits");
43 ok(12, Imager::i_img_type($im_rgb) == 0, "3 channel image isn't direct");
45 my $redf = NCF(1, 0, 0);
46 my $greenf = NCF(0, 1, 0);
47 my $bluef = NCF(0, 0, 1);
51 Imager::i_plinf($im_rgb, 0, $y, ($redf) x 100);
55 test_colorf_gpix(14, $im_rgb, 0, 0, $redf);
56 test_colorf_gpix(16, $im_rgb, 99, 0, $redf);
57 test_colorf_gpix(18, $im_rgb, 0, 100, $redf);
58 test_colorf_gpix(20, $im_rgb, 99, 100, $redf);
59 test_colorf_glin(22, $im_rgb, 0, 0, ($redf) x 100);
60 test_colorf_glin(24, $im_rgb, 0, 100, ($redf) x 100);
62 Imager::i_plinf($im_rgb, 20, 1, ($greenf) x 60);
63 test_colorf_glin(26, $im_rgb, 0, 1,
64 ($redf) x 20, ($greenf) x 60, ($redf) x 20);
67 my $ooimg = Imager->new(xsize=>200, ysize=>201, bits=>'double');
68 ok(28, $ooimg, "couldn't make double image");
69 ok(29, $ooimg->bits eq 'double', "oo didn't give double image");
71 # check that the image is copied correctly
72 my $oocopy = $ooimg->copy;
73 ok(30, $oocopy->bits eq 'double', "oo copy didn't give double image");
76 okn($num++, !Imager->new(xsize=>0, ysize=>1, bits=>'double'),
77 "fail making 0 width image");
78 matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
79 "and correct message");
80 okn($num++, !Imager->new(xsize=>1, ysize=>0, bits=>'double'),
81 "fail making 0 height image");
82 matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
83 "and correct message");
84 okn($num++, !Imager->new(xsize=>-1, ysize=>1, bits=>'double'),
85 "fail making -ve width image");
86 matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
87 "and correct message");
88 okn($num++, !Imager->new(xsize=>1, ysize=>-1, bits=>'double'),
89 "fail making -ve height image");
90 matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
91 "and correct message");
92 okn($num++, !Imager->new(xsize=>1, ysize=>1, bits=>'double', channels=>0),
93 "fail making 0 channel image");
94 matchn($num++, Imager->errstr, qr/channels must be between 1 and 4/,
95 "and correct message");
96 okn($num++, !Imager->new(xsize=>1, ysize=>1, bits=>'double', channels=>5),
97 "fail making 5 channel image");
98 matchn($num++, Imager->errstr, qr/channels must be between 1 and 4/,
99 "and correct message");
102 # https://rt.cpan.org/Ticket/Display.html?id=8213
103 # check for handling of memory allocation of very large images
104 # only test this on 32-bit machines - on a 64-bit machine it may
105 # result in trying to allocate 4Gb of memory, which is unfriendly at
106 # least and may result in running out of memory, causing a different
109 if ($Config{intsize} == 4) {
110 my $uint_range = 256 ** $Config{intsize};
111 my $dbl_size = $Config{doublesize} || 8;
112 my $dim1 = int(sqrt($uint_range/$dbl_size))+1;
114 my $im_b = Imager->new(xsize=>$dim1, ysize=>$dim1, channels=>1, bits=>'double');
115 isn($num++, $im_b, undef, "integer overflow check - 1 channel");
117 $im_b = Imager->new(xisze=>$dim1, ysize=>1, channels=>1, bits=>'double');
118 okn($num++, $im_b, "but same width ok");
119 $im_b = Imager->new(xisze=>1, ysize=>$dim1, channels=>1, bits=>'double');
120 okn($num++, $im_b, "but same height ok");
121 matchn($num++, Imager->errstr, qr/integer overflow/,
122 "check the error message");
124 # do a similar test with a 3 channel image, so we're sure we catch
125 # the same case where the third dimension causes the overflow
126 my $dim3 = int(sqrt($uint_range / 3 / $dbl_size))+1;
128 $im_b = Imager->new(xsize=>$dim3, ysize=>$dim3, channels=>3, bits=>'double');
129 isn($num++, $im_b, undef, "integer overflow check - 3 channel");
131 $im_b = Imager->new(xisze=>$dim3, ysize=>1, channels=>3, bits=>'double');
132 okn($num++, $im_b, "but same width ok");
133 $im_b = Imager->new(xisze=>1, ysize=>$dim3, channels=>3, bits=>'double');
134 okn($num++, $im_b, "but same height ok");
136 matchn($num++, Imager->errstr, qr/integer overflow/,
137 "check the error message");
140 skipn($num, 8, "don't want to allocate 4Gb");
146 return Imager::Color::Float->new(@_);
149 sub test_colorf_gpix {
150 my ($test_base, $im, $x, $y, $expected) = @_;
151 my $c = Imager::i_gpixf($im, $x, $y);
153 print "ok ",$test_base++,"\n";
154 colorf_cmp($c, $expected) == 0 or print "not ";
155 print "ok ",$test_base++,"\n";
158 sub test_colorf_glin {
159 my ($test_base, $im, $x, $y, @pels) = @_;
161 my @got = Imager::i_glinf($im, $x, $x+@pels, $y);
162 @got == @pels or print "not ";
163 print "ok ",$test_base++,"\n";
164 grep(colorf_cmp($pels[$_], $got[$_]), 0..$#got) and print "not ";
165 print "ok ",$test_base++,"\n";
170 my @s1 = map { int($_*65535.99) } $c1->rgba;
171 my @s2 = map { int($_*65535.99) } $c2->rgba;
173 # print "# (",join(",", @s1[0..2]),") <=> (",join(",", @s2[0..2]),")\n";
174 return $s1[0] <=> $s2[0]
176 || $s1[2] <=> $s2[2];
180 my ($test_num, $ok, $comment) = @_;
183 print "ok $test_num\n";
186 print "not ok $test_num # $comment\n";