- setmask() now returns true on success and reports a missing mask
parameter.
- double per sample images were ignoring the channel mask.
+- converted t/t021sixteen.t to use Test::More
+- 16-bit per sample images were ignoring the channel mask
=================================================================
return -1;
off = (x + y * im->xsize) * im->channels;
- for (ch = 0; ch < im->channels; ++ch)
- STORE8as16(im->idata, off+ch, val->channel[ch]);
+ if (I_ALL_CHANNELS_WRITABLE(im)) {
+ for (ch = 0; ch < im->channels; ++ch)
+ STORE8as16(im->idata, off+ch, val->channel[ch]);
+ }
+ else {
+ for (ch = 0; ch < im->channels; ++ch)
+ if (im->ch_mask & (1 << ch))
+ STORE8as16(im->idata, off+ch, val->channel[ch]);
+ }
return 0;
}
return -1;
off = (x + y * im->xsize) * im->channels;
- for (ch = 0; ch < im->channels; ++ch)
- STORE16(im->idata, off+ch, SampleFTo16(val->channel[ch]));
+ if (I_ALL_CHANNELS_WRITABLE(im)) {
+ for (ch = 0; ch < im->channels; ++ch)
+ STORE16(im->idata, off+ch, SampleFTo16(val->channel[ch]));
+ }
+ else {
+ for (ch = 0; ch < im->channels; ++ch)
+ if (im->ch_mask & (1 << ch))
+ STORE16(im->idata, off+ch, SampleFTo16(val->channel[ch]));
+ }
return 0;
}
r = im->xsize;
off = (l+y*im->xsize) * im->channels;
count = r - l;
- for (i = 0; i < count; ++i) {
- for (ch = 0; ch < im->channels; ++ch) {
- STORE8as16(im->idata, off, vals[i].channel[ch]);
- ++off;
+ if (I_ALL_CHANNELS_WRITABLE(im)) {
+ for (i = 0; i < count; ++i) {
+ for (ch = 0; ch < im->channels; ++ch) {
+ STORE8as16(im->idata, off, vals[i].channel[ch]);
+ ++off;
+ }
+ }
+ }
+ else {
+ for (i = 0; i < count; ++i) {
+ for (ch = 0; ch < im->channels; ++ch) {
+ if (im->ch_mask & (1 << ch))
+ STORE8as16(im->idata, off, vals[i].channel[ch]);
+ ++off;
+ }
}
}
return count;
r = im->xsize;
off = (l+y*im->xsize) * im->channels;
count = r - l;
- for (i = 0; i < count; ++i) {
- for (ch = 0; ch < im->channels; ++ch) {
- STORE16(im->idata, off, SampleFTo16(vals[i].channel[ch]));
- ++off;
+ if (I_ALL_CHANNELS_WRITABLE(im)) {
+ for (i = 0; i < count; ++i) {
+ for (ch = 0; ch < im->channels; ++ch) {
+ STORE16(im->idata, off, SampleFTo16(vals[i].channel[ch]));
+ ++off;
+ }
+ }
+ }
+ else {
+ for (i = 0; i < count; ++i) {
+ for (ch = 0; ch < im->channels; ++ch) {
+ if (im->ch_mask & (1 << ch))
+ STORE16(im->idata, off, SampleFTo16(vals[i].channel[ch]));
+ ++off;
+ }
}
}
return count;
use strict;
use lib 't';
-use Test::More tests=>164;
+use Test::More tests=>196;
BEGIN { use_ok(Imager => qw(:handy :all)) }
print "# end OO level scanline function tests\n";
}
+{ # check the channel mask function
+
+ my $im = Imager->new(xsize => 10, ysize=>10, bits=>8);
+
+ mask_tests($im, 0.005);
+}
+
sub check_add {
my ($im, $color, $expected) = @_;
my $index = Imager::i_addcolors($im, $color);
$index;
}
-sub color_cmp {
- my ($l, $r) = @_;
- my @l = $l->rgba;
- my @r = $r->rgba;
- return $l[0] <=> $r[0]
- || $l[1] <=> $r[1]
- || $l[2] <=> $r[2];
-}
-
# sub array_ncmp {
# my ($a1, $a2) = @_;
# my $len = @$a1 < @$a2 ? @$a1 : @$a2;
#!perl -w
use strict;
-BEGIN { $| = 1; print "1..51\n"; }
-my $loaded;
-END {print "not ok 1\n" unless $loaded;}
-use Imager qw(:all :handy);
-#use Data::Dumper;
-$loaded = 1;
-print "ok 1\n";
+use lib 't';
+use Test::More tests => 83;
+
+BEGIN { use_ok(Imager=>qw(:all :handy)) }
+
init_log("testout/t021sixteen.log", 1);
+
require "t/testtools.pl";
use Imager::Color::Float;
my $im_g = Imager::i_img_16_new(100, 101, 1);
-print Imager::i_img_getchannels($im_g) == 1
- ? "ok 2\n" : "not ok 2 # 1 channel image channel count mismatch\n";
-print Imager::i_img_getmask($im_g) & 1
- ? "ok 3\n" : "not ok 3 # 1 channel image bad mask\n";
-print Imager::i_img_virtual($im_g)
- ? "not ok 4 # 1 channel image thinks it is virtual\n" : "ok 4\n";
-print Imager::i_img_bits($im_g) == 16
- ? "ok 5\n" : "not ok 5 # 1 channel image has bits != 16\n";
-print Imager::i_img_type($im_g) == 0 # direct
- ? "ok 6\n" : "not ok 6 # 1 channel image isn't direct\n";
+is(Imager::i_img_getchannels($im_g), 1, "1 channel image channel count");
+ok(Imager::i_img_getmask($im_g) & 1, "1 channel image mask");
+ok(!Imager::i_img_virtual($im_g), "shouldn't be marked virtual");
+is(Imager::i_img_bits($im_g), 16, "1 channel image has bits == 16");
+is(Imager::i_img_type($im_g), 0, "1 channel image isn't direct");
my @ginfo = i_img_info($im_g);
-print $ginfo[0] == 100
- ? "ok 7\n" : "not ok 7 # 1 channel image width incorrect\n";
-print $ginfo[1] == 101
- ? "ok 8\n" : "not ok 8 # 1 channel image height incorrect\n";
+is($ginfo[0], 100, "1 channel image width");
+is($ginfo[1], 101, "1 channel image height");
undef $im_g;
my $im_rgb = Imager::i_img_16_new(100, 101, 3);
-print Imager::i_img_getchannels($im_rgb) == 3
- ? "ok 9\n" : "not ok 9 # 3 channel image channel count mismatch\n";
-print +(Imager::i_img_getmask($im_rgb) & 7) == 7
- ? "ok 10\n" : "not ok 10 # 3 channel image bad mask\n";
-print Imager::i_img_bits($im_rgb) == 16
- ? "ok 11\n" : "not ok 11 # 3 channel image has bits != 16\n";
-print Imager::i_img_type($im_rgb) == 0 # direct
- ? "ok 12\n" : "not ok 12 # 3 channel image isn't direct\n";
+is(Imager::i_img_getchannels($im_rgb), 3, "3 channel image channel count");
+ok((Imager::i_img_getmask($im_rgb) & 7) == 7, "3 channel image mask");
+is(Imager::i_img_bits($im_rgb), 16, "3 channel image bits");
+is(Imager::i_img_type($im_rgb), 0, "3 channel image type");
my $redf = NCF(1, 0, 0);
my $greenf = NCF(0, 1, 0);
for my $y (0..101) {
Imager::i_plinf($im_rgb, 0, $y, ($redf) x 100);
}
-print "ok 13\n";
+pass("fill with red");
# basic sanity
-test_colorf_gpix(14, $im_rgb, 0, 0, $redf);
-test_colorf_gpix(16, $im_rgb, 99, 0, $redf);
-test_colorf_gpix(18, $im_rgb, 0, 100, $redf);
-test_colorf_gpix(20, $im_rgb, 99, 100, $redf);
-test_colorf_glin(22, $im_rgb, 0, 0, ($redf) x 100);
-test_colorf_glin(24, $im_rgb, 0, 100, ($redf) x 100);
+test_colorf_gpix($im_rgb, 0, 0, $redf);
+test_colorf_gpix($im_rgb, 99, 0, $redf);
+test_colorf_gpix($im_rgb, 0, 100, $redf);
+test_colorf_gpix($im_rgb, 99, 100, $redf);
+test_colorf_glin($im_rgb, 0, 0, ($redf) x 100);
+test_colorf_glin($im_rgb, 0, 100, ($redf) x 100);
Imager::i_plinf($im_rgb, 20, 1, ($greenf) x 60);
-test_colorf_glin(26, $im_rgb, 0, 1,
+test_colorf_glin($im_rgb, 0, 1,
($redf) x 20, ($greenf) x 60, ($redf) x 20);
# basic OO tests
-my $oo16img = Imager->new(xsize=>200, ysize=>201, bits=>16)
- or print "not ";
-print "ok 28\n";
-$oo16img->bits == 16 or print "not ";
-print "ok 29\n";
+my $oo16img = Imager->new(xsize=>200, ysize=>201, bits=>16);
+ok($oo16img, "make a 16-bit oo image");
+is($oo16img->bits, 16, "test bits");
-my $num = 30;
# make sure of error handling
-okn($num++, !Imager->new(xsize=>0, ysize=>1, bits=>16),
+ok(!Imager->new(xsize=>0, ysize=>1, bits=>16),
"fail to create a 0 pixel wide image");
-matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
+cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct error message");
-okn($num++, !Imager->new(xsize=>1, ysize=>0, bits=>16),
+ok(!Imager->new(xsize=>1, ysize=>0, bits=>16),
"fail to create a 0 pixel high image");
-matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
+cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct error message");
-okn($num++, !Imager->new(xsize=>-1, ysize=>1, bits=>16),
+ok(!Imager->new(xsize=>-1, ysize=>1, bits=>16),
"fail to create a negative width image");
-matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
+cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct error message");
-okn($num++, !Imager->new(xsize=>1, ysize=>-1, bits=>16),
+ok(!Imager->new(xsize=>1, ysize=>-1, bits=>16),
"fail to create a negative height image");
-matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
+cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct error message");
-okn($num++, !Imager->new(xsize=>-1, ysize=>-1, bits=>16),
+ok(!Imager->new(xsize=>-1, ysize=>-1, bits=>16),
"fail to create a negative width/height image");
-matchn($num++, Imager->errstr, qr/Image sizes must be positive/,
+cmp_ok(Imager->errstr, '=~', qr/Image sizes must be positive/,
"and correct error message");
-okn($num++, !Imager->new(xsize=>1, ysize=>1, bits=>16, channels=>0),
+ok(!Imager->new(xsize=>1, ysize=>1, bits=>16, channels=>0),
"fail to create a zero channel image");
-matchn($num++, Imager->errstr, qr/channels must be between 1 and 4/,
+cmp_ok(Imager->errstr, '=~', qr/channels must be between 1 and 4/,
"and correct error message");
-okn($num++, !Imager->new(xsize=>1, ysize=>1, bits=>16, channels=>5),
+ok(!Imager->new(xsize=>1, ysize=>1, bits=>16, channels=>5),
"fail to create a five channel image");
-matchn($num++, Imager->errstr, qr/channels must be between 1 and 4/,
+cmp_ok(Imager->errstr, '=~', qr/channels must be between 1 and 4/,
"and correct error message");
{
# result in trying to allocate 4Gb of memory, which is unfriendly at
# least and may result in running out of memory, causing a different
# type of exit
- use Config;
- if ($Config{intsize} == 4) {
+ SKIP: {
+ use Config;
+ $Config{intsize} == 4
+ or skip("don't want to allocate 4Gb", 8);
my $uint_range = 256 ** $Config{intsize};
print "# range $uint_range\n";
my $dim1 = int(sqrt($uint_range/2))+1;
my $im_b = Imager->new(xsize=>$dim1, ysize=>$dim1, channels=>1, bits=>16);
- isn($num++, $im_b, undef, "integer overflow check - 1 channel");
+ is($im_b, undef, "integer overflow check - 1 channel");
$im_b = Imager->new(xisze=>$dim1, ysize=>1, channels=>1, bits=>16);
- okn($num++, $im_b, "but same width ok");
+ ok($im_b, "but same width ok");
$im_b = Imager->new(xisze=>1, ysize=>$dim1, channels=>1, bits=>16);
- okn($num++, $im_b, "but same height ok");
- matchn($num++, Imager->errstr, qr/integer overflow/,
+ ok($im_b, "but same height ok");
+ cmp_ok(Imager->errstr, '=~', qr/integer overflow/,
"check the error message");
# do a similar test with a 3 channel image, so we're sure we catch
my $dim3 = int(sqrt($uint_range / 3 / 2))+1;
$im_b = Imager->new(xsize=>$dim3, ysize=>$dim3, channels=>3, bits=>16);
- isn($num++, $im_b, undef, "integer overflow check - 3 channel");
+ is($im_b, undef, "integer overflow check - 3 channel");
$im_b = Imager->new(xisze=>$dim3, ysize=>1, channels=>3, bits=>16);
- okn($num++, $im_b, "but same width ok");
+ ok($im_b, "but same width ok");
$im_b = Imager->new(xisze=>1, ysize=>$dim3, channels=>3, bits=>16);
- okn($num++, $im_b, "but same height ok");
+ ok($im_b, "but same height ok");
- matchn($num++, Imager->errstr, qr/integer overflow/,
+ cmp_ok(Imager->errstr, '=~', qr/integer overflow/,
"check the error message");
}
- else {
- skipn($num, 8, "don't want to allocate 4Gb");
- $num += 8;
- }
-}
-
-sub NCF {
- return Imager::Color::Float->new(@_);
-}
-
-sub test_colorf_gpix {
- my ($test_base, $im, $x, $y, $expected) = @_;
- my $c = Imager::i_gpixf($im, $x, $y);
- $c or print "not ";
- print "ok ",$test_base++,"\n";
- colorf_cmp($c, $expected) == 0 or print "not ";
- print "ok ",$test_base++,"\n";
-}
-
-sub test_colorf_glin {
- my ($test_base, $im, $x, $y, @pels) = @_;
-
- my @got = Imager::i_glinf($im, $x, $x+@pels, $y);
- @got == @pels or print "not ";
- print "ok ",$test_base++,"\n";
- grep(colorf_cmp($pels[$_], $got[$_]), 0..$#got) and print "not ";
- print "ok ",$test_base++,"\n";
}
-sub colorf_cmp {
- my ($c1, $c2) = @_;
- my @s1 = map { int($_*65535.99) } $c1->rgba;
- my @s2 = map { int($_*65535.99) } $c2->rgba;
+{ # check the channel mask function
+
+ my $im = Imager->new(xsize => 10, ysize=>10, bits=>16);
- # print "# (",join(",", @s1[0..2]),") <=> (",join(",", @s2[0..2]),")\n";
- return $s1[0] <=> $s2[0]
- || $s1[1] <=> $s2[1]
- || $s1[2] <=> $s2[2];
+ mask_tests($im, 1.0/65535);
}
}
{ # check the channel mask function
- # we want to check all four of ppix() and plin(), ppix() and plinf()
- # basic test procedure:
- # first using default/all 1s mask, set to white
- # make sure we got white
- # set mask to skip a channel, set to grey
- # make sure only the right channels set
- print "# channel mask tests\n";
my $im = Imager->new(xsize => 10, ysize=>10, bits=>'double');
- # 8-bit color tests
- my $white = NC(255, 255, 255);
- my $grey = NC(128, 128, 128);
- my $white_grey = NC(128, 255, 128);
-
- print "# with ppix\n";
- ok($im->setmask(mask=>~0), "set to default mask");
- ok($im->setpixel(x=>0, 'y'=>0, color=>$white), "set to white all channels");
- test_color_gpix($im->{IMG}, 0, 0, $white);
- ok($im->setmask(mask=>0xF-0x2), "set channel to exclude channel1");
- ok($im->setpixel(x=>0, 'y'=>0, color=>$grey), "set to grey, no channel 2");
- test_color_gpix($im->{IMG}, 0, 0, $white_grey);
-
- print "# with plin\n";
- ok($im->setmask(mask=>~0), "set to default mask");
- ok($im->setscanline(x=>0, 'y'=>1, pixels => [$white]),
- "set to white all channels");
- test_color_gpix($im->{IMG}, 0, 1, $white);
- ok($im->setmask(mask=>0xF-0x2), "set channel to exclude channel1");
- ok($im->setscanline(x=>0, 'y'=>1, pixels=>[$grey]),
- "set to grey, no channel 2");
- test_color_gpix($im->{IMG}, 0, 1, $white_grey);
-
- # float color tests
- my $whitef = NCF(1.0, 1.0, 1.0);
- my $greyf = NCF(0.5, 0.5, 0.5);
- my $white_greyf = NCF(0.5, 1.0, 0.5);
-
- print "# with ppixf\n";
- ok($im->setmask(mask=>~0), "set to default mask");
- ok($im->setpixel(x=>0, 'y'=>2, color=>$whitef), "set to white all channels");
- test_colorf_gpix($im->{IMG}, 0, 2, $whitef);
- ok($im->setmask(mask=>0xF-0x2), "set channel to exclude channel1");
- ok($im->setpixel(x=>0, 'y'=>2, color=>$greyf), "set to grey, no channel 2");
- test_colorf_gpix($im->{IMG}, 0, 2, $white_greyf);
-
- print "# with plinf\n";
- ok($im->setmask(mask=>~0), "set to default mask");
- ok($im->setscanline(x=>0, 'y'=>3, pixels => [$whitef]),
- "set to white all channels");
- test_colorf_gpix($im->{IMG}, 0, 3, $whitef);
- ok($im->setmask(mask=>0xF-0x2), "set channel to exclude channel1");
- ok($im->setscanline(x=>0, 'y'=>3, pixels=>[$greyf]),
- "set to grey, no channel 2");
- test_colorf_gpix($im->{IMG}, 0, 3, $white_greyf);
+ mask_tests($im);
}
-sub NCF {
- return Imager::Color::Float->new(@_);
-}
-
-sub test_colorf_gpix {
- my ($im, $x, $y, $expected) = @_;
- my $c = Imager::i_gpixf($im, $x, $y);
- ok($c, "got gpix ($x, $y)");
- unless (ok(colorf_cmp($c, $expected) == 0,
- "got right color ($x, $y)")) {
- print "# got: (", join(",", ($c->rgba)[0,1,2]), ")\n";
- print "# expected: (", join(",", ($expected->rgba)[0,1,2]), ")\n";
- }
-}
-
-sub test_color_gpix {
- my ($im, $x, $y, $expected) = @_;
- my $c = Imager::i_get_pixel($im, $x, $y);
- ok($c, "got gpix ($x, $y)");
- unless (ok(color_cmp($c, $expected) == 0,
- "got right color ($x, $y)")) {
- print "# got: (", join(",", ($c->rgba)[0,1,2]), ")\n";
- print "# expected: (", join(",", ($expected->rgba)[0,1,2]), ")\n";
- }
-}
-
-sub test_colorf_glin {
- my ($im, $x, $y, @pels) = @_;
- my @got = Imager::i_glinf($im, $x, $x+@pels, $y);
- is(@got, @pels, "check number of pixels ($x, $y)");
- ok(!grep(colorf_cmp($pels[$_], $got[$_]), 0..$#got),
- "check colors ($x, $y)");
-}
-
-sub colorf_cmp {
- my ($c1, $c2) = @_;
- my @s1 = map { int($_*65535.99) } $c1->rgba;
- my @s2 = map { int($_*65535.99) } $c2->rgba;
-
- # print "# (",join(",", @s1[0..2]),") <=> (",join(",", @s2[0..2]),")\n";
- return $s1[0] <=> $s2[0]
- || $s1[1] <=> $s2[1]
- || $s1[2] <=> $s2[2];
-}
-
-sub color_cmp {
- my ($c1, $c2) = @_;
-
- my @s1 = $c1->rgba;
- my @s2 = $c2->rgba;
-
- return $s1[0] <=> $s2[0]
- || $s1[1] <=> $s2[1]
- || $s1[2] <=> $s2[2];
-}
}
}
+
1;
+sub test_colorf_gpix {
+ my ($im, $x, $y, $expected, $epsilon) = @_;
+ my $c = Imager::i_gpixf($im, $x, $y);
+ ok($c, "got gpix ($x, $y)");
+ unless (ok(colorf_cmp($c, $expected, $epsilon) == 0,
+ "got right color ($x, $y)")) {
+ print "# got: (", join(",", ($c->rgba)[0,1,2]), ")\n";
+ print "# expected: (", join(",", ($expected->rgba)[0,1,2]), ")\n";
+ }
+}
+
+sub test_color_gpix {
+ my ($im, $x, $y, $expected) = @_;
+ my $c = Imager::i_get_pixel($im, $x, $y);
+ ok($c, "got gpix ($x, $y)");
+ unless (ok(color_cmp($c, $expected) == 0,
+ "got right color ($x, $y)")) {
+ print "# got: (", join(",", ($c->rgba)[0,1,2]), ")\n";
+ print "# expected: (", join(",", ($expected->rgba)[0,1,2]), ")\n";
+ }
+}
+
+sub test_colorf_glin {
+ my ($im, $x, $y, @pels) = @_;
+
+ my @got = Imager::i_glinf($im, $x, $x+@pels, $y);
+ is(@got, @pels, "check number of pixels ($x, $y)");
+ ok(!grep(colorf_cmp($pels[$_], $got[$_], 0.005), 0..$#got),
+ "check colors ($x, $y)");
+}
+
+sub colorf_cmp {
+ my ($c1, $c2, $epsilon) = @_;
+
+ defined $epsilon or $epsilon = 0;
+
+ my @s1 = $c1->rgba;
+ my @s2 = $c2->rgba;
+
+ # print "# (",join(",", @s1[0..2]),") <=> (",join(",", @s2[0..2]),")\n";
+ return abs($s1[0]-$s2[0]) >= $epsilon && $s1[0] <=> $s2[0]
+ || abs($s1[1]-$s2[1]) >= $epsilon && $s1[1] <=> $s2[1]
+ || abs($s1[2]-$s2[2]) >= $epsilon && $s1[2] <=> $s2[2];
+}
+
+sub color_cmp {
+ my ($c1, $c2) = @_;
+
+ my @s1 = $c1->rgba;
+ my @s2 = $c2->rgba;
+
+ return $s1[0] <=> $s2[0]
+ || $s1[1] <=> $s2[1]
+ || $s1[2] <=> $s2[2];
+}
+
+# these test the action of the channel mask on the image supplied
+# which should be an OO image.
+sub mask_tests {
+ my ($im, $epsilon) = @_;
+
+ defined $epsilon or $epsilon = 0;
+
+ # we want to check all four of ppix() and plin(), ppix() and plinf()
+ # basic test procedure:
+ # first using default/all 1s mask, set to white
+ # make sure we got white
+ # set mask to skip a channel, set to grey
+ # make sure only the right channels set
+
+ print "# channel mask tests\n";
+ # 8-bit color tests
+ my $white = NC(255, 255, 255);
+ my $grey = NC(128, 128, 128);
+ my $white_grey = NC(128, 255, 128);
+
+ print "# with ppix\n";
+ ok($im->setmask(mask=>~0), "set to default mask");
+ ok($im->setpixel(x=>0, 'y'=>0, color=>$white), "set to white all channels");
+ test_color_gpix($im->{IMG}, 0, 0, $white);
+ ok($im->setmask(mask=>0xF-0x2), "set channel to exclude channel1");
+ ok($im->setpixel(x=>0, 'y'=>0, color=>$grey), "set to grey, no channel 2");
+ test_color_gpix($im->{IMG}, 0, 0, $white_grey);
+
+ print "# with plin\n";
+ ok($im->setmask(mask=>~0), "set to default mask");
+ ok($im->setscanline(x=>0, 'y'=>1, pixels => [$white]),
+ "set to white all channels");
+ test_color_gpix($im->{IMG}, 0, 1, $white);
+ ok($im->setmask(mask=>0xF-0x2), "set channel to exclude channel1");
+ ok($im->setscanline(x=>0, 'y'=>1, pixels=>[$grey]),
+ "set to grey, no channel 2");
+ test_color_gpix($im->{IMG}, 0, 1, $white_grey);
+
+ # float color tests
+ my $whitef = NCF(1.0, 1.0, 1.0);
+ my $greyf = NCF(0.5, 0.5, 0.5);
+ my $white_greyf = NCF(0.5, 1.0, 0.5);
+
+ print "# with ppixf\n";
+ ok($im->setmask(mask=>~0), "set to default mask");
+ ok($im->setpixel(x=>0, 'y'=>2, color=>$whitef), "set to white all channels");
+ test_colorf_gpix($im->{IMG}, 0, 2, $whitef, $epsilon);
+ ok($im->setmask(mask=>0xF-0x2), "set channel to exclude channel1");
+ ok($im->setpixel(x=>0, 'y'=>2, color=>$greyf), "set to grey, no channel 2");
+ test_colorf_gpix($im->{IMG}, 0, 2, $white_greyf, $epsilon);
+
+ print "# with plinf\n";
+ ok($im->setmask(mask=>~0), "set to default mask");
+ ok($im->setscanline(x=>0, 'y'=>3, pixels => [$whitef]),
+ "set to white all channels");
+ test_colorf_gpix($im->{IMG}, 0, 3, $whitef, $epsilon);
+ ok($im->setmask(mask=>0xF-0x2), "set channel to exclude channel1");
+ ok($im->setscanline(x=>0, 'y'=>3, pixels=>[$greyf]),
+ "set to grey, no channel 2");
+ test_colorf_gpix($im->{IMG}, 0, 3, $white_greyf, $epsilon);
+
+}
+
+sub NCF {
+ return Imager::Color::Float->new(@_);
+}
projects / imager.git / commitdiff