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      1 #!/usr/bin/perl
      2 #
      3 # Test reading PNG images
      4 #
      5 # Contributed by Bob Friesenhahn <bfriesen (at] simple.dallas.tx.us>
      6 #
      7 
      8 BEGIN { $| = 1; $test=1; print "1..6\n"; }
      9 END {print "not ok $test\n" unless $loaded;}
     10 use Image::Magick;
     11 $loaded=1;
     12 
     13 require 't/subroutines.pl';
     14 
     15 chdir 't/png' || die 'Cd failed';
     16 
     17 #
     18 # 1) Test Black-and-white, bit_depth=1 PNG
     19 # 
     20 print( "1-bit grayscale PNG ...\n" );
     21 testRead( 'input_bw.png',
     22   '5a5b600153abaaf82dc9086272d01bedc4201d14b614c18cb4e9c6d1581c9023' );
     23 
     24 #
     25 # 2) Test Monochrome PNG
     26 # 
     27 ++$test;
     28 print( "8-bit grayscale PNG ...\n" );
     29 testRead( 'input_mono.png',
     30   'a8d79029f6ced36f904659dda5ea67a6bab5e602b1033aa29c7f1b45b35c1178' );
     31 
     32 #
     33 # 3) Test 16-bit Portable Network Graphics
     34 # 
     35 ++$test;
     36 print( "16-bit grayscale PNG ...\n" );
     37 testRead( 'input_16.png',
     38   'd4bed86abb1849f69f1a5afb7c5cf8798e8192ba228357f189c277198c14f5a0',
     39   '4036b56c00d731a2865470815eabc177dc158af2abacb34ef95c7e716ec2da60' );
     40 #
     41 # 4) Test 256 color pseudocolor PNG
     42 # 
     43 ++$test;
     44 print( "8-bit indexed-color PNG ...\n" );
     45 testRead( 'input_256.png',
     46   '5d1041037358767b9ebd2d5398c50daeee2ae644e2d128006e2eb91e82cf4b16' );
     47 
     48 #
     49 # 5) Test TrueColor PNG
     50 # 
     51 ++$test;
     52 print( "24-bit Truecolor PNG ...\n" );
     53 testRead( 'input_truecolor.png',
     54   '76f43f03e51c8608bfca7ff96d3936148ad855782968a017ea03cccbeebff64d' );
     55 
     56 #
     57 # 6) Test Multiple-image Network Graphics
     58 # 
     59 ++$test;
     60 print( "MNG with 24-bit Truecolor PNGs...\n" );
     61 testRead( 'input.mng',
     62   '5a883e67c29d7bb27897ec7a3f3cb3fb0330fb43aef4360e8314503cb37fae09' );
     63 
     64