1#!/usr/bin/perl 2# 3# Test writing PNG images 4# 5# Contributed by Bob Friesenhahn <bfriesen@simple.dallas.tx.us> 6# 7BEGIN { $| = 1; $test=1; print "1..6\n"; } 8END {print "not ok $test\n" unless $loaded;} 9 10use Image::Magick; 11$loaded=1; 12 13require 't/subroutines.pl'; 14 15chdir 't/png' || die 'Cd failed'; 16 17# 18# 1) Test Black-and-white, bit_depth=1 PNG 19# 20print( "1-bit grayscale PNG ...\n" ); 21testReadWrite( 'input_bw.png', 'output_bw.png', q/quality=>95/, 22 '5a5b600153abaaf82dc9086272d01bedc4201d14b614c18cb4e9c6d1581c9023'); 23 24# 25# 2) Test monochrome image 26# 27++$test; 28print( "8-bit grayscale PNG ...\n" ); 29testReadWrite( 'input_mono.png', 30 'output_mono.png', '', 31 'a8d79029f6ced36f904659dda5ea67a6bab5e602b1033aa29c7f1b45b35c1178'); 32# 33# 3) Test 16-bit Portable Network Graphics 34# 35++$test; 36print( "16-bit grayscale PNG ...\n" ); 37testReadWrite( 'input_16.png', 38 'output_16.png', 39 q/quality=>55/, 40 'd4bed86abb1849f69f1a5afb7c5cf8798e8192ba228357f189c277198c14f5a0', 41 '4036b56c00d731a2865470815eabc177dc158af2abacb34ef95c7e716ec2da60' ); 42# 43# 4) Test pseudocolor image 44# 45++$test; 46print( "8-bit indexed-color PNG ...\n" ); 47testReadWrite( 'input_256.png', 48 'output_256.png', 49 q/quality=>54/, 50 '26687d6be46b4e1ca5201a47caa7dad660245c5f4517835ab6e19f2f84fc4a03' ); 51# 52# 5) Test truecolor image 53# 54++$test; 55print( "24-bit Truecolor PNG ...\n" ); 56testReadWrite( 'input_truecolor.png', 57 'output_truecolor.png', 58 q/quality=>55/, 59 '76f43f03e51c8608bfca7ff96d3936148ad855782968a017ea03cccbeebff64d' ); 60# 61# 6) Test Multiple-image Network Graphics 62# 63++$test; 64print( "MNG with 24-bit Truecolor PNGs ...\n" ); 65testReadWrite( 'input.mng', 66 'output.mng', 67 q/quality=>55/, 68 '5a883e67c29d7bb27897ec7a3f3cb3fb0330fb43aef4360e8314503cb37fae09' ); 69