3 use Test::More tests => 205;
5 use Imager::Test qw(test_image_raw test_image_16 is_color3 is_color1 is_image test_image_named);
9 -d "testout" or mkdir "testout";
11 Imager->open_log(log => "testout/t104ppm.log");
13 my $green = i_color_new(0,255,0,255);
14 my $blue = i_color_new(0,0,255,255);
15 my $red = i_color_new(255,0,0,255);
19 my $img = test_image_raw();
21 my $fh = openimage(">testout/t104.ppm");
22 push @files, "t104.ppm";
23 my $IO = Imager::io_new_fd(fileno($fh));
24 ok(i_writeppm_wiol($img, $IO), "write pnm low")
25 or die "Cannot write testout/t104.ppm\n";
28 $IO = Imager::io_new_bufchain();
29 ok(i_writeppm_wiol($img, $IO), "write to bufchain")
30 or die "Cannot write to bufchain";
31 my $data = Imager::io_slurp($IO);
33 $fh = openimage("testout/t104.ppm");
34 $IO = Imager::io_new_fd( fileno($fh) );
35 my $cmpimg = i_readpnm_wiol($IO,-1);
36 ok($cmpimg, "read image we wrote")
37 or die "Cannot read testout/t104.ppm\n";
40 is(i_img_diff($img, $cmpimg), 0, "compare written and read images");
42 my $rdata = slurp("testout/t104.ppm");
43 is($data, $rdata, "check data read from file and bufchain data");
45 # build a grayscale image
46 my $gimg = Imager::ImgRaw::new(150, 150, 1);
47 my $gray = i_color_new(128, 0, 0, 255);
48 my $dgray = i_color_new(64, 0, 0, 255);
49 my $white = i_color_new(255, 0, 0, 255);
50 i_box_filled($gimg, 20, 20, 130, 130, $gray);
51 i_box_filled($gimg, 40, 40, 110, 110, $dgray);
52 i_arc($gimg, 75, 75, 30, 0, 361, $white);
54 push @files, "t104_gray.pgm";
55 open FH, "> testout/t104_gray.pgm" or die "Cannot create testout/t104_gray.pgm: $!\n";
57 $IO = Imager::io_new_fd(fileno(FH));
58 ok(i_writeppm_wiol($gimg, $IO), "write grayscale");
61 open FH, "< testout/t104_gray.pgm" or die "Cannot open testout/t104_gray.pgm: $!\n";
63 $IO = Imager::io_new_fd(fileno(FH));
64 my $gcmpimg = i_readpnm_wiol($IO, -1);
65 ok($gcmpimg, "read grayscale");
66 is(i_img_diff($gimg, $gcmpimg), 0,
67 "compare written and read greyscale images");
69 my $ooim = Imager->new;
70 ok($ooim->read(file=>"testimg/simple.pbm"), "read simple pbm, via OO")
71 or print "# ", $ooim->errstr, "\n";
73 check_gray(Imager::i_get_pixel($ooim->{IMG}, 0, 0), 0);
74 check_gray(Imager::i_get_pixel($ooim->{IMG}, 0, 1), 255);
75 check_gray(Imager::i_get_pixel($ooim->{IMG}, 1, 0), 255);
76 check_gray(Imager::i_get_pixel($ooim->{IMG}, 1, 1), 0);
77 is($ooim->type, 'paletted', "check pbm read as paletted");
78 is($ooim->tags(name=>'pnm_type'), 1, "check pnm_type tag");
81 # https://rt.cpan.org/Ticket/Display.html?id=7465
82 # the pnm reader ignores the maxval that it reads from the pnm file
83 my $maxval = Imager->new;
84 ok($maxval->read(file=>"testimg/maxval.ppm"),
85 "read testimg/maxval.ppm");
87 # this image contains three pixels, with each sample from 0 to 63
88 # the pixels are (63, 63, 63), (32, 32, 32) and (31, 31, 0)
90 # check basic parameters
91 is($maxval->getchannels, 3, "channel count");
92 is($maxval->getwidth, 3, "width");
93 is($maxval->getheight, 1, "height");
96 ok(my ($white, $grey, $green) = $maxval->getpixel('x'=>[0,1,2], 'y'=>[0,0,0]), "fetch pixels");
97 is_color3($white, 255, 255, 255, "white pixel");
98 is_color3($grey, 130, 130, 130, "grey pixel");
99 is_color3($green, 125, 125, 0, "green pixel");
100 is($maxval->tags(name=>'pnm_type'), 6, "check pnm_type tag on maxval");
102 # and do the same for ASCII images
103 my $maxval_asc = Imager->new;
104 ok($maxval_asc->read(file=>"testimg/maxval_asc.ppm"),
105 "read testimg/maxval_asc.ppm");
107 # this image contains three pixels, with each sample from 0 to 63
108 # the pixels are (63, 63, 63), (32, 32, 32) and (31, 31, 0)
110 # check basic parameters
111 is($maxval_asc->getchannels, 3, "channel count");
112 is($maxval_asc->getwidth, 3, "width");
113 is($maxval_asc->getheight, 1, "height");
115 is($maxval->tags(name=>'pnm_type'), 6, "check pnm_type tag on maxval");
118 ok(my ($white_asc, $grey_asc, $green_asc) = $maxval_asc->getpixel('x'=>[0,1,2], 'y'=>[0,0,0]), "fetch pixels");
119 is_color3($white_asc, 255, 255, 255, "white asc pixel");
120 is_color3($grey_asc, 130, 130, 130, "grey asc pixel");
121 is_color3($green_asc, 125, 125, 0, "green asc pixel");
124 { # previously we didn't validate maxval at all, make sure it's
126 my $maxval0 = Imager->new;
127 ok(!$maxval0->read(file=>'testimg/maxval_0.ppm'),
128 "should fail to read maxval 0 image");
129 print "# ", $maxval0->errstr, "\n";
130 like($maxval0->errstr, qr/maxval is zero - invalid pnm file/,
131 "error expected from reading maxval_0.ppm");
133 my $maxval65536 = Imager->new;
134 ok(!$maxval65536->read(file=>'testimg/maxval_65536.ppm'),
135 "should fail reading maxval 65536 image");
136 print "# ",$maxval65536->errstr, "\n";
137 like($maxval65536->errstr, qr/maxval of 65536 is over 65535 - invalid pnm file/,
138 "error expected from reading maxval_65536.ppm");
140 # maxval of 256 is valid, and handled as of 0.56
141 my $maxval256 = Imager->new;
142 ok($maxval256->read(file=>'testimg/maxval_256.ppm'),
143 "should succeed reading maxval 256 image");
144 is_color3($maxval256->getpixel(x => 0, 'y' => 0),
145 0, 0, 0, "check black in maxval_256");
146 is_color3($maxval256->getpixel(x => 0, 'y' => 1),
147 255, 255, 255, "check white in maxval_256");
148 is($maxval256->bits, 16, "check bits/sample on maxval 256");
150 # make sure we handle maxval > 255 for ascii
151 my $maxval4095asc = Imager->new;
152 ok($maxval4095asc->read(file=>'testimg/maxval_4095_asc.ppm'),
153 "read maxval_4095_asc.ppm");
154 is($maxval4095asc->getchannels, 3, "channels");
155 is($maxval4095asc->getwidth, 3, "width");
156 is($maxval4095asc->getheight, 1, "height");
157 is($maxval4095asc->bits, 16, "check bits/sample on maxval 4095");
159 ok(my ($white, $grey, $green) = $maxval4095asc->getpixel('x'=>[0,1,2], 'y'=>[0,0,0]), "fetch pixels");
160 is_color3($white, 255, 255, 255, "white 4095 pixel");
161 is_color3($grey, 128, 128, 128, "grey 4095 pixel");
162 is_color3($green, 127, 127, 0, "green 4095 pixel");
165 { # check i_format is set when reading a pnm file
166 # doesn't really matter which file.
167 my $maxval = Imager->new;
168 ok($maxval->read(file=>"testimg/maxval.ppm"),
170 my ($type) = $maxval->tags(name=>'i_format');
171 is($type, 'pnm', "check i_format");
174 { # check file limits are checked
175 my $limit_file = "testout/t104.ppm";
176 ok(Imager->set_file_limits(reset=>1, width=>149), "set width limit 149");
177 my $im = Imager->new;
178 ok(!$im->read(file=>$limit_file),
179 "should fail read due to size limits");
180 print "# ",$im->errstr,"\n";
181 like($im->errstr, qr/image width/, "check message");
183 ok(Imager->set_file_limits(reset=>1, height=>149), "set height limit 149");
184 ok(!$im->read(file=>$limit_file),
185 "should fail read due to size limits");
186 print "# ",$im->errstr,"\n";
187 like($im->errstr, qr/image height/, "check message");
189 ok(Imager->set_file_limits(reset=>1, width=>150), "set width limit 150");
190 ok($im->read(file=>$limit_file),
191 "should succeed - just inside width limit");
192 ok(Imager->set_file_limits(reset=>1, height=>150), "set height limit 150");
193 ok($im->read(file=>$limit_file),
194 "should succeed - just inside height limit");
196 # 150 x 150 x 3 channel image uses 67500 bytes
197 ok(Imager->set_file_limits(reset=>1, bytes=>67499),
198 "set bytes limit 67499");
199 ok(!$im->read(file=>$limit_file),
200 "should fail - too many bytes");
201 print "# ",$im->errstr,"\n";
202 like($im->errstr, qr/storage size/, "check error message");
203 ok(Imager->set_file_limits(reset=>1, bytes=>67500),
204 "set bytes limit 67500");
205 ok($im->read(file=>$limit_file),
206 "should succeed - just inside bytes limit");
207 Imager->set_file_limits(reset=>1);
211 # check we correctly sync with the data stream
212 my $im = Imager->new;
213 ok($im->read(file => 'testimg/pgm.pgm', type => 'pnm'),
215 or print "# cannot read pgm.pgm: ", $im->errstr, "\n";
216 print "# ", $im->getsamples('y' => 0), "\n";
217 is_color1($im->getpixel(x=>0, 'y' => 0), 254, "check top left");
220 { # check error messages set correctly
221 my $im = Imager->new;
222 ok(!$im->read(file=>'t/200-file/310-pnm.t', type=>'pnm'),
223 'should fail to read script as an image file');
224 is($im->errstr, 'unable to read pnm image: bad header magic, not a PNM file',
225 "check error message");
230 # give 4/2 channel images a background color when saving to pnm
231 my $im = Imager->new(xsize=>16, ysize=>16, channels=>4);
232 $im->box(filled => 1, xmin => 8, color => '#FFE0C0');
233 $im->box(filled => 1, color => NC(0, 192, 192, 128),
234 ymin => 8, xmax => 7);
235 push @files, "t104_alpha.ppm";
236 ok($im->write(file=>"testout/t104_alpha.ppm", type=>'pnm'),
237 "should succeed writing 4 channel image");
238 my $imread = Imager->new;
239 ok($imread->read(file => 'testout/t104_alpha.ppm'), "read it back")
240 or print "# ", $imread->errstr, "\n";
241 is_color3($imread->getpixel('x' => 0, 'y' => 0), 0, 0, 0,
242 "check transparent became black");
243 is_color3($imread->getpixel('x' => 8, 'y' => 0), 255, 224, 192,
244 "check color came through");
245 is_color3($imread->getpixel('x' => 0, 'y' => 15), 0, 96, 96,
246 "check translucent came through");
248 ok($im->write(data => \$data, type => 'pnm', i_background => '#FF0000'),
249 "write with red background");
250 ok($imread->read(data => $data, type => 'pnm'),
252 is_color3($imread->getpixel('x' => 0, 'y' => 0), 255, 0, 0,
253 "check transparent became red");
254 is_color3($imread->getpixel('x' => 8, 'y' => 0), 255, 224, 192,
255 "check color came through");
256 is_color3($imread->getpixel('x' => 0, 'y' => 15), 127, 96, 96,
257 "check translucent came through");
261 # more RT #30074 - 16 bit images
262 my $im = Imager->new(xsize=>16, ysize=>16, channels=>4, bits => 16);
263 $im->box(filled => 1, xmin => 8, color => '#FFE0C0');
264 $im->box(filled => 1, color => NC(0, 192, 192, 128),
265 ymin => 8, xmax => 7);
266 push @files, "t104_alp16.ppm";
267 ok($im->write(file=>"testout/t104_alp16.ppm", type=>'pnm',
268 pnm_write_wide_data => 1),
269 "should succeed writing 4 channel image");
270 my $imread = Imager->new;
271 ok($imread->read(file => 'testout/t104_alp16.ppm'), "read it back");
272 is($imread->bits, 16, "check we did produce a 16 bit image");
273 is_color3($imread->getpixel('x' => 0, 'y' => 0), 0, 0, 0,
274 "check transparent became black");
275 is_color3($imread->getpixel('x' => 8, 'y' => 0), 255, 224, 192,
276 "check color came through");
277 is_color3($imread->getpixel('x' => 0, 'y' => 15), 0, 96, 96,
278 "check translucent came through");
280 ok($im->write(data => \$data, type => 'pnm', i_background => '#FF0000',
281 pnm_write_wide_data => 1),
282 "write with red background");
283 ok($imread->read(data => $data, type => 'pnm'),
285 is($imread->bits, 16, "check it's 16-bit");
286 is_color3($imread->getpixel('x' => 0, 'y' => 0), 255, 0, 0,
287 "check transparent became red");
288 is_color3($imread->getpixel('x' => 8, 'y' => 0), 255, 224, 192,
289 "check color came through");
290 is_color3($imread->getpixel('x' => 0, 'y' => 15), 127, 96, 96,
291 "check translucent came through");
294 # various bad input files
295 print "# check error handling\n";
297 my $im = Imager->new;
298 ok(!$im->read(file => 'testimg/short_bin.ppm', type=>'pnm'),
299 "fail to read short bin ppm");
300 cmp_ok($im->errstr, '=~', 'short read - file truncated',
301 "check error message");
305 my $im = Imager->new;
306 ok(!$im->read(file => 'testimg/short_bin16.ppm', type=>'pnm'),
307 "fail to read short bin ppm (maxval 65535)");
308 cmp_ok($im->errstr, '=~', 'short read - file truncated',
309 "check error message");
313 my $im = Imager->new;
314 ok(!$im->read(file => 'testimg/short_bin.pgm', type=>'pnm'),
315 "fail to read short bin pgm");
316 cmp_ok($im->errstr, '=~', 'short read - file truncated',
317 "check error message");
321 my $im = Imager->new;
322 ok(!$im->read(file => 'testimg/short_bin16.pgm', type=>'pnm'),
323 "fail to read short bin pgm (maxval 65535)");
324 cmp_ok($im->errstr, '=~', 'short read - file truncated',
325 "check error message");
329 my $im = Imager->new;
330 ok(!$im->read(file => 'testimg/short_bin.pbm', type => 'pnm'),
331 "fail to read a short bin pbm");
332 cmp_ok($im->errstr, '=~', 'short read - file truncated',
333 "check error message");
337 my $im = Imager->new;
338 ok(!$im->read(file => 'testimg/short_asc.ppm', type => 'pnm'),
339 "fail to read a short asc ppm");
340 cmp_ok($im->errstr, '=~', 'short read - file truncated',
341 "check error message");
345 my $im = Imager->new;
346 ok(!$im->read(file => 'testimg/short_asc.pgm', type => 'pnm'),
347 "fail to read a short asc pgm");
348 cmp_ok($im->errstr, '=~', 'short read - file truncated',
349 "check error message");
353 my $im = Imager->new;
354 ok(!$im->read(file => 'testimg/short_asc.pbm', type => 'pnm'),
355 "fail to read a short asc pbm");
356 cmp_ok($im->errstr, '=~', 'short read - file truncated',
357 "check error message");
361 my $im = Imager->new;
362 ok(!$im->read(file => 'testimg/bad_asc.ppm', type => 'pnm'),
363 "fail to read a bad asc ppm");
364 cmp_ok($im->errstr, '=~', 'invalid data for ascii pnm',
365 "check error message");
369 my $im = Imager->new;
370 ok(!$im->read(file => 'testimg/bad_asc.pgm', type => 'pnm'),
371 "fail to read a bad asc pgm");
372 cmp_ok($im->errstr, '=~', 'invalid data for ascii pnm',
373 "check error message");
377 my $im = Imager->new;
378 ok(!$im->read(file => 'testimg/bad_asc.pbm', type => 'pnm'),
379 "fail to read a bad asc pbm");
380 cmp_ok($im->errstr, '=~', 'invalid data for ascii pnm',
381 "check error message");
385 my $im = Imager->new;
386 ok($im->read(file => 'testimg/short_bin.ppm', type => 'pnm',
387 allow_incomplete => 1),
388 "partial read bin ppm");
389 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
390 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
394 my $im = Imager->new;
395 ok($im->read(file => 'testimg/short_bin16.ppm', type => 'pnm',
396 allow_incomplete => 1),
397 "partial read bin16 ppm");
398 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
399 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
400 is($im->bits, 16, "check correct bits");
404 my $im = Imager->new;
405 ok($im->read(file => 'testimg/short_bin.pgm', type => 'pnm',
406 allow_incomplete => 1),
407 "partial read bin pgm");
408 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
409 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
413 my $im = Imager->new;
414 ok($im->read(file => 'testimg/short_bin16.pgm', type => 'pnm',
415 allow_incomplete => 1),
416 "partial read bin16 pgm");
417 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
418 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
422 my $im = Imager->new;
423 ok($im->read(file => 'testimg/short_bin.pbm', type => 'pnm',
424 allow_incomplete => 1),
425 "partial read bin pbm");
426 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
427 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
431 my $im = Imager->new;
432 ok($im->read(file => 'testimg/short_asc.ppm', type => 'pnm',
433 allow_incomplete => 1),
434 "partial read asc ppm");
435 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
436 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
440 my $im = Imager->new;
441 ok($im->read(file => 'testimg/short_asc.pgm', type => 'pnm',
442 allow_incomplete => 1),
443 "partial read asc pgm");
444 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
445 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
449 my $im = Imager->new;
450 ok($im->read(file => 'testimg/short_asc.pbm', type => 'pnm',
451 allow_incomplete => 1),
452 "partial read asc pbm");
453 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
454 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
458 my @imgs = Imager->read_multi(file => 'testimg/multiple.ppm');
459 is( 0+@imgs, 3, "Read 3 images");
460 is( $imgs[0]->tags( name => 'pnm_type' ), 1, "Image 1 is type 1" );
461 is( $imgs[0]->getwidth, 2, " ... width=2" );
462 is( $imgs[0]->getheight, 2, " ... width=2" );
463 is( $imgs[1]->tags( name => 'pnm_type' ), 6, "Image 2 is type 6" );
464 is( $imgs[1]->getwidth, 164, " ... width=164" );
465 is( $imgs[1]->getheight, 180, " ... width=180" );
466 is( $imgs[2]->tags( name => 'pnm_type' ), 5, "Image 3 is type 5" );
467 is( $imgs[2]->getwidth, 2, " ... width=2" );
468 is( $imgs[2]->getheight, 2, " ... width=2" );
472 my $im = Imager->new;
473 ok($im->read(file => 'testimg/bad_asc.ppm', type => 'pnm',
474 allow_incomplete => 1),
475 "partial read bad asc ppm");
476 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
477 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
481 my $im = Imager->new;
482 ok($im->read(file => 'testimg/bad_asc.pgm', type => 'pnm',
483 allow_incomplete => 1),
484 "partial read bad asc pgm");
485 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
486 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
490 my $im = Imager->new;
491 ok($im->read(file => 'testimg/bad_asc.pbm', type => 'pnm',
492 allow_incomplete => 1),
493 "partial read bad asc pbm");
494 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
495 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
499 print "# monochrome output\n";
500 my $im = Imager->new(xsize => 10, ysize => 10, channels => 1, type => 'paletted');
501 ok($im->addcolors(colors => [ '#000000', '#FFFFFF' ]),
502 "add black and white");
503 $im->box(filled => 1, xmax => 4, color => '#000000');
504 $im->box(filled => 1, xmin => 5, color => '#FFFFFF');
505 is($im->type, 'paletted', 'mono still paletted');
506 push @files, "t104_mono.pbm";
507 ok($im->write(file => 'testout/t104_mono.pbm', type => 'pnm'),
511 my $imread = Imager->new;
512 ok($imread->read(file => 'testout/t104_mono.pbm', type=>'pnm'),
514 or print "# ", $imread->errstr, "\n";
515 is($imread->type, 'paletted', "check result is paletted");
516 is($imread->tags(name => 'pnm_type'), 4, "check type");
517 is_image($im, $imread, "check image matches");
521 print "# monochrome output - reversed palette\n";
522 my $im = Imager->new(xsize => 10, ysize => 10, channels => 1, type => 'paletted');
523 ok($im->addcolors(colors => [ '#FFFFFF', '#000000' ]),
524 "add white and black");
525 $im->box(filled => 1, xmax => 4, color => '#000000');
526 $im->box(filled => 1, xmin => 5, color => '#FFFFFF');
527 is($im->type, 'paletted', 'mono still paletted');
528 push @files, "t104_mono2.pbm";
529 ok($im->write(file => 'testout/t104_mono2.pbm', type => 'pnm'),
533 my $imread = Imager->new;
534 ok($imread->read(file => 'testout/t104_mono2.pbm', type=>'pnm'),
536 or print "# ", $imread->errstr, "\n";
537 is($imread->type, 'paletted', "check result is paletted");
538 is($imread->tags(name => 'pnm_type'), 4, "check type");
539 is_image($im, $imread, "check image matches");
543 print "# 16-bit output\n";
545 my $im = test_image_16();
547 # without tag, it should do 8-bit output
548 ok($im->write(data => \$data, type => 'pnm'),
549 "write 16-bit image as 8-bit/sample ppm");
550 my $im8 = Imager->new;
551 ok($im8->read(data => $data), "read it back");
552 is($im8->tags(name => 'pnm_maxval'), 255, "check maxval");
553 is_image($im, $im8, "check image matches");
556 $im->settag(name => 'pnm_write_wide_data', value => 1);
558 ok($im->write(data => \$data, type => 'pnm'),
559 "write 16-bit image as 16-bit/sample ppm");
560 push @files, "t104_16.ppm";
561 $im->write(file=>'testout/t104_16.ppm');
562 my $im16 = Imager->new;
563 ok($im16->read(data => $data), "read it back");
564 is($im16->tags(name => 'pnm_maxval'), 65535, "check maxval");
565 push @files, "t104_16b.ppm";
566 $im16->write(file=>'testout/t104_16b.ppm');
567 is_image($im, $im16, "check image matches");
571 ok(grep($_ eq 'pnm', Imager->read_types), "check pnm in read types");
572 ok(grep($_ eq 'pnm', Imager->write_types), "check pnm in write types");
575 { # test new() loading an image
576 my $im = Imager->new(file => "testimg/penguin-base.ppm");
577 ok($im, "received an image");
578 is($im->getwidth, 164, "check width matches image");
580 # fail to load an image
581 my $im2 = Imager->new(file => "Imager.pm", filetype => "pnm");
582 ok(!$im2, "no image when file failed to load");
583 cmp_ok(Imager->errstr, '=~', "bad header magic, not a PNM file",
584 "check error message transferred");
589 ok(open(FH, "< testimg/penguin-base.ppm"), "open test file")
590 or skip("couldn't open data source", 4);
592 my $imdata = do { local $/; <FH> };
594 ok(length $imdata, "we got the data");
595 my $im3 = Imager->new(data => $imdata);
596 ok($im3, "read the file data");
597 is($im3->getwidth, 164, "check width matches image");
601 { # image too large handling
603 ok(!Imager->new(file => "testimg/toowide.ppm", filetype => "pnm"),
604 "fail to read a too wide image");
605 is(Imager->errstr, "unable to read pnm image: could not read image width: integer overflow",
606 "check error message");
609 ok(!Imager->new(file => "testimg/tootall.ppm", filetype => "pnm"),
610 "fail to read a too wide image");
611 is(Imager->errstr, "unable to read pnm image: could not read image height: integer overflow",
612 "check error message");
616 { # make sure close is checked for each image type
617 my $fail_close = sub {
618 Imager::i_push_error(0, "synthetic close failure");
622 for my $type (qw(basic basic16 gray gray16 mono)) {
623 my $im = test_image_named($type);
624 my $io = Imager::io_new_cb(sub { 1 }, undef, undef, $fail_close);
625 ok(!$im->write(io => $io, type => "pnm"),
626 "write $type image with a failing close handler");
627 like($im->errstr, qr/synthetic close failure/,
628 "check error message");
634 unless ($ENV{IMAGER_KEEP_FILES}) {
635 unlink "testout/t104ppm.log";
636 unlink map "testout/$_", @files;
642 open(FH, $fname) or die "Cannot open $fname: $!\n";
648 my $fh = openimage(shift);
659 is($g, $gray, "compare gray");