5 use Imager::Test qw(is_color3 is_image);
6 use constant PI => 3.14159265358979;
8 -d "testout" or mkdir "testout";
10 init_log("testout/t21draw.log",1);
12 my $redobj = NC(255, 0, 0);
14 my $greenobj = NC(0, 255, 0);
15 my $green = [ 0, 255, 0 ];
16 my $blueobj = NC(0, 0, 255);
17 my $blue = { hue=>240, saturation=>1, value=>1 };
18 my $white = '#FFFFFF';
21 my $img = Imager->new(xsize=>100, ysize=>500);
23 ok($img->box(color=>$blueobj, xmin=>10, ymin=>10, xmax=>48, ymax=>18),
24 "box with color obj");
25 ok($img->box(color=>$blue, xmin=>10, ymin=>20, xmax=>48, ymax=>28),
27 ok($img->box(color=>$redobj, xmin=>10, ymin=>30, xmax=>28, ymax=>48, filled=>1),
28 "filled box with color obj");
29 ok($img->box(color=>$red, xmin=>30, ymin=>30, xmax=>48, ymax=>48, filled=>1),
30 "filled box with color");
32 ok($img->arc('x'=>75, 'y'=>25, r=>24, color=>$redobj),
33 "filled arc with colorobj");
35 ok($img->arc('x'=>75, 'y'=>25, r=>20, color=>$green),
36 "filled arc with colorobj");
37 ok($img->arc('x'=>75, 'y'=>25, r=>18, color=>$white, d1=>325, d2=>225),
38 "filled arc with color");
40 ok($img->arc('x'=>75, 'y'=>25, r=>18, color=>$blue, d1=>225, d2=>325),
41 "filled arc with color");
42 ok($img->arc('x'=>75, 'y'=>25, r=>15, color=>$green, aa=>1),
43 "filled arc with color");
45 ok($img->line(color=>$blueobj, x1=>5, y1=>55, x2=>35, y2=>95),
46 "line with colorobj");
48 # FIXME - neither the start nor end-point is set for a non-aa line
49 my $c = Imager::i_get_pixel($img->{IMG}, 5, 55);
50 ok(color_cmp($c, $blueobj) == 0, "# TODO start point not set");
52 ok($img->line(color=>$red, x1=>10, y1=>55, x2=>40, y2=>95, aa=>1),
53 "aa line with color");
54 ok($img->line(color=>$green, x1=>15, y1=>55, x2=>45, y2=>95, antialias=>1),
55 "antialias line with color");
57 ok($img->polyline(points=>[ [ 55, 55 ], [ 90, 60 ], [ 95, 95] ],
59 "polyline points with color obj");
60 ok($img->polyline('x'=>[ 55, 85, 90 ], 'y'=>[60, 65, 95], color=>$green, aa=>1),
61 "polyline xy with color aa");
62 ok($img->polyline('x'=>[ 55, 80, 85 ], 'y'=>[65, 70, 95], color=>$green,
64 "polyline xy with color antialias");
66 ok($img->setpixel('x'=>[35, 37, 39], 'y'=>[55, 57, 59], color=>$red),
67 "set array of pixels");
68 ok($img->setpixel('x'=>39, 'y'=>55, color=>$green),
70 use Imager::Color::Float;
71 my $flred = Imager::Color::Float->new(1, 0, 0, 0);
72 my $flgreen = Imager::Color::Float->new(0, 1, 0, 0);
73 ok($img->setpixel('x'=>[41, 43, 45], 'y'=>[55, 57, 59], color=>$flred),
74 "set array of float pixels");
75 ok($img->setpixel('x'=>45, 'y'=>55, color=>$flgreen),
76 "set single float pixel");
77 my @gp = $img->getpixel('x'=>[41, 43, 45], 'y'=>[55, 57, 59]);
78 ok(grep($_->isa('Imager::Color'), @gp) == 3, "check getpixel result type");
79 ok(grep(color_cmp($_, NC(255, 0, 0)) == 0, @gp) == 3,
80 "check getpixel result colors");
81 my $gp = $img->getpixel('x'=>45, 'y'=>55);
82 ok($gp->isa('Imager::Color'), "check scalar getpixel type");
83 ok(color_cmp($gp, NC(0, 255, 0)) == 0, "check scalar getpixel color");
84 @gp = $img->getpixel('x'=>[35, 37, 39], 'y'=>[55, 57, 59], type=>'float');
85 ok(grep($_->isa('Imager::Color::Float'), @gp) == 3,
86 "check getpixel float result type");
87 ok(grep(color_cmp($_, $flred) == 0, @gp) == 3,
88 "check getpixel float result type");
89 $gp = $img->getpixel('x'=>39, 'y'=>55, type=>'float');
90 ok($gp->isa('Imager::Color::Float'), "check scalar float getpixel type");
91 ok(color_cmp($gp, $flgreen) == 0, "check scalar float getpixel color");
93 # more complete arc tests
94 ok($img->arc(x=>25, 'y'=>125, r=>20, d1=>315, d2=>45, color=>$greenobj),
95 "color arc through angle 0");
96 # use diff combine here to make sure double writing is noticable
97 ok($img->arc(x=>75, 'y'=>125, r=>20, d1=>315, d2=>45,
98 fill => { solid=>$blueobj, combine => 'diff' }),
99 "fill arc through angle 0");
100 ok($img->arc(x=>25, 'y'=>175, r=>20, d1=>315, d2=>225, color=>$redobj),
101 "concave color arc");
102 angle_marker($img, 25, 175, 23, 315, 225);
103 ok($img->arc(x=>75, 'y'=>175, r=>20, d1=>315, d2=>225,
104 fill => { solid=>$greenobj, combine=>'diff' }),
106 angle_marker($img, 75, 175, 23, 315, 225);
107 ok($img->arc(x=>25, y=>225, r=>20, d1=>135, d2=>45, color=>$redobj),
108 "another concave color arc");
109 angle_marker($img, 25, 225, 23, 45, 135);
110 ok($img->arc(x=>75, y=>225, r=>20, d1=>135, d2=>45,
111 fill => { solid=>$blueobj, combine=>'diff' }),
112 "another concave fillarc");
113 angle_marker($img, 75, 225, 23, 45, 135);
114 ok($img->arc(x=>25, y=>275, r=>20, d1=>135, d2=>45, color=>$redobj, aa=>1),
115 "concave color arc aa");
116 ok($img->arc(x=>75, y=>275, r=>20, d1=>135, d2=>45,
117 fill => { solid=>$blueobj, combine=>'diff' }, aa=>1),
118 "concave fill arc aa");
120 ok($img->circle(x=>25, y=>325, r=>20, color=>$redobj),
121 "color circle no aa");
122 ok($img->circle(x=>75, y=>325, r=>20, color=>$redobj, aa=>1),
124 ok($img->circle(x=>25, 'y'=>375, r=>20,
125 fill => { hatch=>'stipple', fg=>$blueobj, bg=>$redobj }),
126 "fill circle no aa");
127 ok($img->circle(x=>75, 'y'=>375, r=>20, aa=>1,
128 fill => { hatch=>'stipple', fg=>$blueobj, bg=>$redobj }),
131 ok($img->arc(x=>50, y=>450, r=>45, d1=>135, d2=>45,
132 fill => { solid=>$blueobj, combine=>'diff' }),
133 "another concave fillarc");
134 angle_marker($img, 50, 450, 47, 45, 135);
136 ok($img->write(file=>'testout/t21draw.ppm'),
142 my $im = Imager->new(xsize => 200, ysize => 200);
143 ok($im->circle(aa => 1, color => "#FFF", r => 400, x => 1_000_000, y => 100, filled => 1),
144 "draw a very large circle");
148 my $im = Imager->new(xsize => 400, ysize => 400);
149 ok($im->arc(x => 200, y => 202, r => 10, filled => 0),
150 "draw circle outline");
151 is_color3($im->getpixel(x => 200, y => 202), 0, 0, 0,
152 "check center not filled");
153 ok($im->arc(x => 198, y => 200, r => 13, filled => 0, color => "#f88"),
154 "draw circle outline");
155 is_color3($im->getpixel(x => 198, y => 200), 0, 0, 0,
156 "check center not filled");
157 ok($im->arc(x => 200, y => 200, r => 24, filled => 0, color => "#0ff"),
158 "draw circle outline");
161 ok($im->arc(x => 200, y => 200, r => $r, filled => 0, color => "#ff0"),
162 "draw circle outline r $r");
165 ok($im->write(file => "testout/t21circout.ppm"),
170 my $im = Imager->new(xsize => 400, ysize => 400);
172 my $lc = Imager::Color->new(32, 32, 32);
175 my $an_r = $an * PI / 180;
178 $im->line(aa => 1, color => $lc,
179 x1 => 198 + 5 * $ca, y1 => 202 + 5 * $sa,
180 x2 => 198 + 190 * $ca, y2 => 202 + 190 * $sa);
187 ok($im->arc(x => 198, y => 202, r => $r, d1 => $d1, d2 => $d1+300, filled => 0),
188 "draw arc outline r$r d1$d1 len 300");
189 ok($im->arc(x => 198, y => 202, r => $r+3, d1 => $d1, d2 => $d1+40, filled => 0, color => '#FFFF00'),
190 "draw arc outline r$r d1$d1 len 40");
194 is_color3($im->getpixel(x => 198, y => 202), 0, 0, 0,
195 "check center not filled");
196 ok($im->write(file => "testout/t21arcout.ppm"),
198 or diag "failed writing testout/t21arcout.ppm: ".$im->errstr;
202 my $im = Imager->new(xsize => 400, ysize => 400);
203 ok($im->arc(x => 197, y => 201, r => 10, filled => 0, aa => 1, color => 'white'),
204 "draw circle outline");
205 is_color3($im->getpixel(x => 197, y => 201), 0, 0, 0,
206 "check center not filled");
207 ok($im->arc(x => 197, y => 205, r => 13, filled => 0, color => "#f88", aa => 1),
208 "draw circle outline");
209 is_color3($im->getpixel(x => 197, y => 205), 0, 0, 0,
210 "check center not filled");
211 ok($im->arc(x => 190, y => 215, r => 24, filled => 0, color => [0,0, 255, 128], aa => 1),
212 "draw circle outline");
215 ok($im->arc(x => 197, y => 201, r => $r, filled => 0, aa => 1, color => '#ff0'), "draw aa circle rad $r");
218 ok($im->write(file => "testout/t21aacircout.ppm"),
223 my $im = Imager->new(xsize => 400, ysize => 400);
225 my $lc = Imager::Color->new(32, 32, 32);
228 my $an_r = $an * PI / 180;
231 $im->line(aa => 1, color => $lc,
232 x1 => 198 + 5 * $ca, y1 => 202 + 5 * $sa,
233 x2 => 198 + 190 * $ca, y2 => 202 + 190 * $sa);
240 ok($im->arc(x => 198, y => 202, r => $r, d1 => $d1, d2 => $d1+300, filled => 0, aa => 1),
241 "draw aa arc outline r$r d1$d1 len 300");
242 ok($im->arc(x => 198, y => 202, r => $r+3, d1 => $d1, d2 => $d1+40, filled => 0, color => '#FFFF00', aa => 1),
243 "draw aa arc outline r$r d1$d1 len 40");
247 is_color3($im->getpixel(x => 198, y => 202), 0, 0, 0,
248 "check center not filled");
249 ok($im->write(file => "testout/t21aaarcout.ppm"),
251 or diag "Failed writing testout/t21aaarcout.ppm: " . $im->errstr;
255 my $im = Imager->new(xsize => 400, ysize => 400);
259 while ($an <= 360-$step) {
260 my $cx = int(200 + 20 * cos(($an+$step/2) * PI / 180));
261 my $cy = int(200 + 20 * sin(($an+$step/2) * PI / 180));
263 ok($im->arc(x => $cx, y => $cy, aa => 1, color => "#fff",
264 d1 => $an, d2 => $an+$step, filled => 0, r => 170),
265 "angle starting from $an");
266 ok($im->arc(x => $cx+0.5, y => $cy+0.5, aa => 1, color => "#ff0",
267 d1 => $an, d2 => $an+$step, r => 168),
268 "filled angle starting from $an");
272 ok($im->write(file => "testout/t21aaarcs.ppm"),
274 or diag "failed writing testout/t21aaarcs.ppm: ".$im->errstr;
278 # we document that drawing from d1 to d2 where d2 > d1 will draw an
279 # arc going through 360 degrees, test that
280 my $im = Imager->new(xsize => 200, ysize => 200);
281 ok($im->arc(x => 100, y => 100, aa => 0, filled => 0, color => '#fff',
282 d1 => 270, d2 => 90, r => 90), "draw non-aa arc through 0");
283 ok($im->arc(x => 100, y => 100, aa => 1, filled => 0, color => '#fff',
284 d1 => 270, d2 => 90, r => 80), "draw aa arc through 0");
285 ok($im->write(file => "testout/t21arc0.ppm"),
286 "save arc through 0")
287 or diag "Failed writing testout/t21arc0.ppm: ".$im->errstr;
291 # test drawing color defaults
293 my $im = Imager->new(xsize => 10, ysize => 10);
294 ok($im->box(), "default outline the image"); # should outline the image
295 is_color3($im->getpixel(x => 0, y => 0), 255, 255, 255,
296 "check outline default color TL");
297 is_color3($im->getpixel(x => 9, y => 5), 255, 255, 255,
298 "check outline default color MR");
302 my $im = Imager->new(xsize => 10, ysize => 10);
303 ok($im->box(filled => 1), "default fill the image"); # should fill the image
304 is_color3($im->getpixel(x => 0, y => 0), 255, 255, 255,
305 "check fill default color TL");
306 is_color3($im->getpixel(x => 5, y => 5), 255, 255, 255,
307 "check fill default color MM");
312 my $empty = Imager->new;
313 ok(!$empty->box(), "can't draw box to empty image");
314 is($empty->errstr, "box: empty input image", "check error message");
315 ok(!$empty->arc(), "can't draw arc to empty image");
316 is($empty->errstr, "arc: empty input image", "check error message");
317 ok(!$empty->line(x1 => 0, y1 => 0, x2 => 10, y2 => 0),
318 "can't draw line to empty image");
319 is($empty->errstr, "line: empty input image", "check error message");
320 ok(!$empty->polyline(points => [ [ 0, 0 ], [ 10, 0 ] ]),
321 "can't draw polyline to empty image");
322 is($empty->errstr, "polyline: empty input image", "check error message");
323 ok(!$empty->polygon(points => [ [ 0, 0 ], [ 10, 0 ], [ 0, 10 ] ]),
324 "can't draw polygon to empty image");
325 is($empty->errstr, "polygon: empty input image", "check error message");
326 ok(!$empty->flood_fill(x => 0, y => 0), "can't flood fill to empty image");
327 is($empty->errstr, "flood_fill: empty input image", "check error message");
334 unless ($ENV{IMAGER_KEEP_FILES}) {
335 unlink "testout/t21draw.ppm";
336 unlink "testout/t21circout.ppm";
337 unlink "testout/t21aacircout.ppm";
338 unlink "testout/t21arcout.ppm";
339 unlink "testout/t21aaarcout.ppm";
340 unlink "testout/t21aaarcs.ppm";
341 unlink "testout/t21arc0.ppm";
348 # print "# (",join(",", @l[0..2]),") <=> (",join(",", @r[0..2]),")\n";
349 return $l[0] <=> $r[0]
355 my ($img, $x, $y, $radius, @angles) = @_;
357 for my $angle (@angles) {
358 my $x1 = int($x + $radius * cos($angle * PI / 180) + 0.5);
359 my $y1 = int($y + $radius * sin($angle * PI / 180) + 0.5);
360 my $x2 = int($x + (5+$radius) * cos($angle * PI / 180) + 0.5);
361 my $y2 = int($y + (5+$radius) * sin($angle * PI / 180) + 0.5);
363 $img->line(x1=>$x1, y1=>$y1, x2=>$x2, y2=>$y2, color=>'#FFF');