3 use Test::More tests => 121;
7 use Imager::Color::Float;
10 Imager::init_log("testout/t20fill.log", 1);
12 my $blue = NC(0,0,255);
13 my $red = NC(255, 0, 0);
14 my $redf = Imager::Color::Float->new(1, 0, 0);
15 my $bluef = Imager::Color::Float->new(0, 0, 1);
16 my $rsolid = Imager::i_new_fill_solid($blue, 0);
17 ok($rsolid, "building solid fill");
18 my $raw1 = Imager::ImgRaw::new(100, 100, 3);
19 # use the normal filled box
20 Imager::i_box_filled($raw1, 0, 0, 99, 99, $blue);
21 my $raw2 = Imager::ImgRaw::new(100, 100, 3);
22 Imager::i_box_cfill($raw2, 0, 0, 99, 99, $rsolid);
23 ok(1, "drawing with solid fill");
24 my $diff = Imager::i_img_diff($raw1, $raw2);
25 ok($diff == 0, "solid fill doesn't match");
26 Imager::i_box_filled($raw1, 0, 0, 99, 99, $red);
27 my $rsolid2 = Imager::i_new_fill_solidf($redf, 0);
28 ok($rsolid2, "creating float solid fill");
29 Imager::i_box_cfill($raw2, 0, 0, 99, 99, $rsolid2);
30 $diff = Imager::i_img_diff($raw1, $raw2);
31 ok($diff == 0, "float solid fill doesn't match");
33 # ok solid still works, let's try a hatch
34 # hash1 is a 2x2 checkerboard
35 my $rhatcha = Imager::i_new_fill_hatch($red, $blue, 0, 1, undef, 0, 0);
36 my $rhatchb = Imager::i_new_fill_hatch($blue, $red, 0, 1, undef, 2, 0);
37 ok($rhatcha && $rhatchb, "can't build hatched fill");
39 # the offset should make these match
40 Imager::i_box_cfill($raw1, 0, 0, 99, 99, $rhatcha);
41 Imager::i_box_cfill($raw2, 0, 0, 99, 99, $rhatchb);
42 ok(1, "filling with hatch");
43 $diff = Imager::i_img_diff($raw1, $raw2);
44 ok($diff == 0, "hatch images different");
45 $rhatchb = Imager::i_new_fill_hatch($blue, $red, 0, 1, undef, 4, 6);
46 Imager::i_box_cfill($raw2, 0, 0, 99, 99, $rhatchb);
47 $diff = Imager::i_img_diff($raw1, $raw2);
48 ok($diff == 0, "hatch images different");
50 # I guess I was tired when I originally did this - make sure it keeps
51 # acting the way it's meant to
52 # I had originally expected these to match with the red and blue swapped
53 $rhatchb = Imager::i_new_fill_hatch($red, $blue, 0, 1, undef, 2, 2);
54 Imager::i_box_cfill($raw2, 0, 0, 99, 99, $rhatchb);
55 $diff = Imager::i_img_diff($raw1, $raw2);
56 ok($diff == 0, "hatch images different");
58 # this shouldn't match
59 $rhatchb = Imager::i_new_fill_hatch($red, $blue, 0, 1, undef, 1, 1);
60 Imager::i_box_cfill($raw2, 0, 0, 99, 99, $rhatchb);
61 $diff = Imager::i_img_diff($raw1, $raw2);
62 ok($diff, "hatch images the same!");
65 # the inverse of the 2x2 checkerboard
66 my $hatch = pack("C8", 0x33, 0x33, 0xCC, 0xCC, 0x33, 0x33, 0xCC, 0xCC);
67 my $rcustom = Imager::i_new_fill_hatch($blue, $red, 0, 0, $hatch, 0, 0);
68 Imager::i_box_cfill($raw2, 0, 0, 99, 99, $rcustom);
69 $diff = Imager::i_img_diff($raw1, $raw2);
70 ok(!$diff, "custom hatch mismatch");
73 # basic test of floating color hatch fills
74 # this will exercise the code that the gcc shipped with OS X 10.4
76 # the float version is called iff we're working with a non-8-bit image
77 # i_new_fill_hatchf() makes the same object as i_new_fill_hatch() but
78 # we test the other construction code path here
79 my $fraw1 = Imager::i_img_double_new(100, 100, 3);
80 my $fhatch1 = Imager::i_new_fill_hatchf($redf, $bluef, 0, 1, undef, 0, 0);
81 ok($fraw1, "making double image 1");
82 ok($fhatch1, "making float hatch 1");
83 Imager::i_box_cfill($fraw1, 0, 0, 99, 99, $fhatch1);
84 my $fraw2 = Imager::i_img_double_new(100, 100, 3);
85 my $fhatch2 = Imager::i_new_fill_hatchf($bluef, $redf, 0, 1, undef, 0, 2);
86 ok($fraw2, "making double image 2");
87 ok($fhatch2, "making float hatch 2");
88 Imager::i_box_cfill($fraw2, 0, 0, 99, 99, $fhatch2);
90 $diff = Imager::i_img_diff($fraw1, $fraw2);
91 ok(!$diff, "float custom hatch mismatch");
92 save($fraw1, "testout/t20hatchf1.ppm");
93 save($fraw2, "testout/t20hatchf2.ppm");
96 # test the oo interface
97 my $im1 = Imager->new(xsize=>100, ysize=>100);
98 my $im2 = Imager->new(xsize=>100, ysize=>100);
100 my $solid = Imager::Fill->new(solid=>'#FF0000');
101 ok($solid, "creating oo solid fill");
102 ok($solid->{fill}, "bad oo solid fill");
103 $im1->box(fill=>$solid);
104 $im2->box(filled=>1, color=>$red);
105 $diff = Imager::i_img_diff($im1->{IMG}, $im2->{IMG});
106 ok(!$diff, "oo solid fill");
108 my $hatcha = Imager::Fill->new(hatch=>'check2x2');
109 my $hatchb = Imager::Fill->new(hatch=>'check2x2', dx=>2);
110 $im1->box(fill=>$hatcha);
111 $im2->box(fill=>$hatchb);
112 # should be different
113 $diff = Imager::i_img_diff($im1->{IMG}, $im2->{IMG});
114 ok($diff, "offset checks the same!");
115 $hatchb = Imager::Fill->new(hatch=>'check2x2', dx=>2, dy=>2);
116 $im2->box(fill=>$hatchb);
117 $diff = Imager::i_img_diff($im1->{IMG}, $im2->{IMG});
118 ok(!$diff, "offset into similar check should be the same");
120 # test dymanic build of fill
121 $im2->box(fill=>{hatch=>'check2x2', dx=>2, fg=>NC(255,255,255),
123 $diff = Imager::i_img_diff($im1->{IMG}, $im2->{IMG});
124 ok(!$diff, "offset and flipped should be the same");
127 my $im = Imager->new(xsize=>200, ysize=>200);
129 $im->box(xmin=>10, ymin=>10, xmax=>190, ymax=>190,
130 fill=>{ hatch=>'check4x4',
132 bg=>NC(128, 64, 0) })
133 or print "# ",$im->errstr,"\n";
134 $im->arc(r=>80, d1=>45, d2=>75,
135 fill=>{ hatch=>'stipple2',
137 fg=>[ 0, 0, 0, 255 ],
138 bg=>{ rgba=>[255,255,255,160] } })
139 or print "# ",$im->errstr,"\n";
140 $im->arc(r=>80, d1=>75, d2=>135,
141 fill=>{ fountain=>'radial', xa=>100, ya=>100, xb=>20, yb=>100 })
142 or print "# ",$im->errstr,"\n";
143 $im->write(file=>'testout/t20_sample.ppm');
146 my $rffimg = Imager::ImgRaw::new(100, 100, 3);
148 Imager::i_box_filled($rffimg, 10, 10, 20, 90, $blue);
149 Imager::i_box_filled($rffimg, 80, 10, 90, 90, $blue);
150 Imager::i_box_filled($rffimg, 20, 45, 80, 55, $blue);
151 my $black = Imager::Color->new(0, 0, 0);
152 Imager::i_flood_fill($rffimg, 15, 15, $red);
153 my $rffcmp = Imager::ImgRaw::new(100, 100, 3);
155 Imager::i_box_filled($rffcmp, 10, 10, 20, 90, $red);
156 Imager::i_box_filled($rffcmp, 80, 10, 90, 90, $red);
157 Imager::i_box_filled($rffcmp, 20, 45, 80, 55, $red);
158 $diff = Imager::i_img_diff($rffimg, $rffcmp);
159 ok(!$diff, "flood fill difference");
161 my $ffim = Imager->new(xsize=>100, ysize=>100);
162 my $yellow = Imager::Color->new(255, 255, 0);
163 $ffim->box(xmin=>10, ymin=>10, xmax=>20, ymax=>90, color=>$blue, filled=>1);
164 $ffim->box(xmin=>20, ymin=>45, xmax=>80, ymax=>55, color=>$blue, filled=>1);
165 $ffim->box(xmin=>80, ymin=>10, xmax=>90, ymax=>90, color=>$blue, filled=>1);
166 ok($ffim->flood_fill('x'=>50, 'y'=>50, color=>$red), "flood fill");
167 $diff = Imager::i_img_diff($rffcmp, $ffim->{IMG});
168 ok(!$diff, "oo flood fill difference");
169 $ffim->flood_fill('x'=>50, 'y'=>50,
175 # fountain=>'radial',
179 $ffim->write(file=>'testout/t20_ooflood.ppm');
181 my $copy = $ffim->copy;
182 ok($ffim->flood_fill('x' => 50, 'y' => 50,
183 color => $red, border => '000000'),
184 "border solid flood fill");
185 is(Imager::i_img_diff($ffim->{IMG}, $rffcmp), 0, "compare");
186 ok($ffim->flood_fill('x' => 50, 'y' => 50,
187 fill => { hatch => 'check2x2', fg => '0000FF', },
189 "border cfill fill");
190 is(Imager::i_img_diff($ffim->{IMG}, $copy->{IMG}), 0,
193 # test combining modes
194 my $fill = NC(192, 128, 128, 128);
195 my $target = NC(64, 32, 64);
196 my $trans_target = NC(64, 32, 64, 128);
206 opaque => NC(128, 80, 96),
207 trans => NC(150, 96, 107, 191),
211 opaque => NC(56, 24, 48),
212 trans => NC(101, 58, 74, 192),
216 opaque => [ $target, NC(192, 128, 128, 255) ],
217 trans => [ $trans_target, NC(192, 128, 128, 255) ],
221 opaque => NC(159, 96, 128),
222 trans => NC(128, 80, 96, 255),
226 opaque => NC(0, 0, 0),
227 trans => NC(0, 0, 0, 255),
231 opaque => NC(96, 64, 64),
232 trans => NC(127, 85, 85, 192),
236 opaque => NC(128, 80, 96),
237 trans => NC(149, 95, 106, 192),
242 trans => NC(106, 63, 85, 192),
244 # the following results are based on the results of the tests and
245 # are suspect for that reason (and were broken at one point <sigh>)
246 # but trying to work them out manually just makes my head hurt - TC
249 opaque => NC(64, 32, 47),
250 trans => NC(64, 32, 42, 128),
254 opaque => NC(63, 37, 64),
255 trans => NC(64, 39, 64, 128),
259 opaque => NC(127, 64, 128),
260 trans => NC(149, 75, 150, 128),
264 opaque => NC(64, 37, 52),
265 trans => NC(64, 39, 50, 128),
269 for my $comb (Imager::Fill->combines) {
270 my $test = $comb_tests{$comb};
271 my $fillobj = Imager::Fill->new(solid=>$fill, combine=>$comb);
273 for my $bits (qw(8 double)) {
275 my $targim = Imager->new(xsize=>4, ysize=>4, bits => $bits);
276 $targim->box(filled=>1, color=>$target);
277 $targim->box(fill=>$fillobj);
278 my $c = Imager::i_get_pixel($targim->{IMG}, 1, 1);
279 my $allowed = $test->{opaque};
280 $allowed =~ /ARRAY/ or $allowed = [ $allowed ];
281 ok(scalar grep(color_close($_, $c), @$allowed),
282 "opaque '$comb' $bits bits")
283 or print "# got:",join(",", $c->rgba)," allowed: ",
284 join("|", map { join(",", $_->rgba) } @$allowed),"\n";
288 # make sure the alpha path in the combine function produces the same
289 # or at least as sane a result as the non-alpha path
290 my $targim = Imager->new(xsize=>4, ysize=>4, channels => 4, bits => $bits);
291 $targim->box(filled=>1, color=>$target);
292 $targim->box(fill=>$fillobj);
293 my $c = Imager::i_get_pixel($targim->{IMG}, 1, 1);
294 my $allowed = $test->{opaque};
295 $allowed =~ /ARRAY/ or $allowed = [ $allowed ];
296 ok(scalar grep(color_close4($_, $c), @$allowed),
297 "opaque '$comb' 4-channel $bits bits")
298 or print "# got:",join(",", $c->rgba)," allowed: ",
299 join("|", map { join(",", $_->rgba) } @$allowed),"\n";
303 my $transim = Imager->new(xsize => 4, ysize => 4, channels => 4, bits => $bits);
304 $transim->box(filled=>1, color=>$trans_target);
305 $transim->box(fill => $fillobj);
306 my $c = $transim->getpixel(x => 1, 'y' => 1);
307 my $allowed = $test->{trans};
308 $allowed =~ /ARRAY/ or $allowed = [ $allowed ];
309 ok(scalar grep(color_close4($_, $c), @$allowed),
310 "translucent '$comb' $bits bits")
311 or print "# got:",join(",", $c->rgba)," allowed: ",
312 join("|", map { join(",", $_->rgba) } @$allowed),"\n";
317 ok($ffim->arc(r=>45, color=>$blue, aa=>1), "aa circle");
318 $ffim->write(file=>"testout/t20_aacircle.ppm");
321 my $green = NC(0, 255, 0);
322 my $fillim = Imager->new(xsize=>40, ysize=>40, channels=>4);
323 $fillim->box(filled=>1, xmin=>5, ymin=>5, xmax=>35, ymax=>35,
324 color=>NC(0, 0, 255, 128));
325 $fillim->arc(filled=>1, r=>10, color=>$green, aa=>1);
326 my $ooim = Imager->new(xsize=>150, ysize=>150);
327 $ooim->box(filled=>1, color=>$green, xmin=>70, ymin=>25, xmax=>130, ymax=>125);
328 $ooim->box(filled=>1, color=>$blue, xmin=>20, ymin=>25, xmax=>80, ymax=>125);
329 $ooim->arc(r=>30, color=>$red, aa=>1);
331 my $oocopy = $ooim->copy();
332 ok($oocopy->arc(fill=>{image=>$fillim,
336 $oocopy->write(file=>'testout/t20_image.ppm');
338 # a more complex version
339 use Imager::Matrix2d ':handy';
340 $oocopy = $ooim->copy;
341 ok($oocopy->arc(fill=>{
344 matrix=>m2d_rotate(degrees=>30),
347 "transformed image based fill");
348 $oocopy->write(file=>'testout/t20_image_xform.ppm');
350 ok(!$oocopy->arc(fill=>{ hatch=>"not really a hatch" }, r=>20),
351 "error handling of automatic fill conversion");
352 ok($oocopy->errstr =~ /Unknown hatch type/,
353 "error message for automatic fill conversion");
355 # previous box fills to float images, or using the fountain fill
356 # got into a loop here
360 skip("can't test without alarm()", 1) unless $Config{d_alarm};
361 local $SIG{ALRM} = sub { die; };
365 ok($ooim->box(xmin=>20, ymin=>20, xmax=>80, ymax=>40,
366 fill=>{ fountain=>'linear', xa=>20, ya=>20, xb=>80,
367 yb=>20 }), "linear box fill");
370 $@ and ok(0, "linear box fill $@");
373 # test that passing in a non-array ref returns an error
375 my $fill = Imager::Fill->new(fountain=>'linear',
376 xa => 20, ya=>20, xb=>20, yb=>40,
377 segments=>"invalid");
378 ok(!$fill, "passing invalid segments produces an error");
379 cmp_ok(Imager->errstr, '=~', 'array reference',
380 "check the error message");
383 # test that colors in segments are converted
387 [ 0.0, 0.5, 1.0, '000000', '#FFF', 0, 0 ],
389 my $fill = Imager::Fill->new(fountain=>'linear',
390 xa => 0, ya=>20, xb=>49, yb=>20,
392 ok($fill, "check that color names are converted")
393 or print "# ",Imager->errstr,"\n";
394 my $im = Imager->new(xsize=>50, ysize=>50);
395 $im->box(fill=>$fill);
396 my $left = $im->getpixel('x'=>0, 'y'=>20);
397 ok(color_close($left, Imager::Color->new(0,0,0)),
398 "check black converted correctly");
399 my $right = $im->getpixel('x'=>49, 'y'=>20);
400 ok(color_close($right, Imager::Color->new(255,255,255)),
401 "check white converted correctly");
403 # check that invalid colors handled correctly
407 [ 0.0, 0.5, 1.0, '000000', 'FxFxFx', 0, 0 ],
409 my $fill2 = Imager::Fill->new(fountain=>'linear',
410 xa => 0, ya=>20, xb=>49, yb=>20,
412 ok(!$fill2, "check handling of invalid color names");
413 cmp_ok(Imager->errstr, '=~', 'No color named', "check error message");
423 if (abs($c1[$i]-$c2[$i]) > 2) {
437 if (abs($c1[$i]-$c2[$i]) > 2) {
444 # for use during testing
446 my ($im, $name) = @_;
448 open FH, "> $name" or die "Cannot create $name: $!";
450 my $io = Imager::io_new_fd(fileno(FH));
451 Imager::i_writeppm_wiol($im, $io) or die "Cannot save to $name";