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 '7d12eaac6f41d3c2947022f382e158ea715e918ce0cd73649ec04db01239c88f'); 23 24# 25# 2) Test monochrome image 26# 27++$test; 28print( "8-bit grayscale PNG ...\n" ); 29testReadWrite( 'input_mono.png', 30 'output_mono.png', '', 31 'fa43f8c3d45c3efadab6791a6de83b5a303f65e2c1d58e0814803a4846e68593'); 32# 33# 3) Test 16-bit Portable Network Graphics 34# 35++$test; 36print( "16-bit grayscale PNG ...\n" ); 37testReadWrite( 'input_16.png', 38 'output_16.png', 39 q/quality=>55/, 40 'd4bed86abb1849f69f1a5afb7c5cf8798e8192ba228357f189c277198c14f5a0', 41 '2d30a8bed1ae8bd19c8320e861f3140dfc7497ca8a05d249734ab41c71272f08' ); 42# 43# 4) Test pseudocolor image 44# 45++$test; 46print( "8-bit indexed-color PNG ...\n" ); 47testReadWrite( 'input_256.png', 48 'output_256.png', 49 q/quality=>54/, 50 'e3930ba2c0d7813f21e9ac16b058c10904470853dc6a59f9f3b3f1f47da7dc2c' ); 51# 52# 5) Test truecolor image 53# 54++$test; 55print( "24-bit Truecolor PNG ...\n" ); 56testReadWrite( 'input_truecolor.png', 57 'output_truecolor.png', 58 q/quality=>55/, 59 '7d40e88aa651fd6234780c61a6cef9f34ae8f579975240cf5d33c86217a348c9' ); 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 '0cd7b340ab0c0bceac4e95a4248b12987446a9d2df07bcb6e7e7ecd4ddc44b13' ); 69