#!/usr/bin/perl -w
# Copyright 2010, 2011, 2012, 2013, 2014, 2015, 2018 Kevin Ryde
# This file is part of Math-PlanePath.
#
# Math-PlanePath is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.
#
# Math-PlanePath is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with Math-PlanePath. If not, see <http://www.gnu.org/licenses/>.
# Usage: perl gallery.pl
#
# Create .png files as for the web page
# http://user42.tuxfamily.org/math-planepath/gallery.html
# Output is to $target_dir = "$ENV{HOME}/tux/web/math-planepath".
#
use 5.004;
use strict;
use warnings;
use File::Compare ();
use File::Copy;
use File::Temp;
use Image::Base::GD;
use POSIX 'floor';
# uncomment this to run the ### lines
# use Smart::Comments;
my $target_dir = "$ENV{HOME}/tux/web/math-planepath";
my $tempfh = File::Temp->new (SUFFIX => '.png');
my $tempfile = $tempfh->filename;
my $big_bytes = 0;
my %seen_filename;
foreach my $elem
(
['alternate-terdragon-small.png',
'math-image --path=AlternateTerdragon --lines --scale=5 --size=32 --offset=-3,-7'],
['alternate-terdragon-big.png',
'math-image --path=AlternateTerdragon --lines --figure=point --scale=4 --size=200 --offset=0,-40'],
['hilbert-sides-small.png',
'math-image --path=HilbertSides --lines --scale=2 --size=32 --figure=point'],
['hilbert-sides-big.png',
'math-image --path=HilbertSides --lines --scale=4 --size=257 --figure=point'],
['hilbert-small.png',
'math-image --path=HilbertCurve --lines --scale=3 --size=32 --figure=point'],
['hilbert-big.png',
'math-image --path=HilbertCurve --lines --scale=7 --size=225 --figure=point'],
['hilbert-spiral-small.png',
'math-image --path=HilbertSpiral --lines --scale=3 --size=32 --figure=point'],
['hilbert-spiral-big.png',
'math-image --path=HilbertSpiral --lines --scale=7 --size=230 --figure=point'],
['dekking-curve-4arm-big.png',
'math-image --path=DekkingCurve,arms=4 --lines --scale=7 --size=181 --figure=point'],
['dekking-curve-big.png',
'math-image --path=DekkingCurve --lines --scale=7 --size=183 --figure=point'],
['dekking-curve-small.png',
'math-image --path=DekkingCurve --lines --scale=5 --size=32 --figure=point'],
['dekking-centres-small.png',
'math-image --path=DekkingCentres --lines --scale=6 --size=32 --figure=point'],
['dekking-centres-big.png',
'math-image --path=DekkingCentres --lines --scale=7 --size=176 --figure=point'],
['ulam-warburton-quarter-small.png',
"math-image --path=UlamWarburtonQuarter --expression='i<50?i:0' --scale=2 --size=32"],
['ulam-warburton-quarter-octant.png',
"math-image --path=UlamWarburtonQuarter,parts=octant --expression='i<132?i:0' --scale=4 --size=150"],
['ulam-warburton-quarter-octant-up.png',
"math-image --path=UlamWarburtonQuarter,parts=octant_up --values=Lines --scale=2 --size=150 --figure=point"],
['ulam-warburton-quarter-big.png',
"math-image --path=UlamWarburtonQuarter --expression='i<233?i:0' --scale=4 --size=150"],
['gcd-rationals-rows-big.png',
"math-image --path=GcdRationals --expression='i<=68*67/2?i:0' --scale=2 --size=140x140"],
['gcd-rationals-diagonals-big.png',
"math-image --path=GcdRationals,pairs_order=diagonals_down --expression='i<=47**2?i:0' --scale=2 --size=160x200"],
['gcd-rationals-small.png',
'math-image --path=GcdRationals --lines --scale=6 --size=32 --offset=-4,-4'],
['gcd-rationals-big.png',
'math-image --path=GcdRationals --lines --scale=15 --size=200'],
['gcd-rationals-reverse-big.png',
'math-image --path=GcdRationals,pairs_order=rows_reverse --lines --scale=15 --size=200'],
['wythoff-preliminary-triangle-small.png',
'math-image --path=WythoffPreliminaryTriangle --lines --scale=5 --size=32'],
['wythoff-preliminary-triangle-big.png',
'math-image --path=WythoffPreliminaryTriangle --lines --scale=12 --size=200'],
['wythoff-array-small.png',
'math-image --path=WythoffArray --lines --scale=8 --size=32'],
['wythoff-array-big.png',
'math-image --path=WythoffArray --lines --scale=16 --size=200'],
['pythagorean-tree-ltoh.png',
'math-image --path=PythagoreanTree,digit_order=LtoH --values=LinesTree --scale=2 --size=200'],
['pythagorean-tree-big.png',
'math-image --path=PythagoreanTree --values=LinesTree --scale=4 --size=200'],
['pythagorean-tree-uard-rows-pq.png',
'math-image --path=PythagoreanTree,tree_type=UArD,digit_order=LtoH,coordinates=PQ --lines --scale=14 --size=200 --figure=point'],
['pythagorean-tree-uard-rows.png',
'math-image --path=PythagoreanTree,tree_type=UArD,digit_order=LtoH --lines --scale=1 --size=200 --figure=point'],
['pythagorean-tree-umt-big.png',
'math-image --path=PythagoreanTree,tree_type=UMT --values=LinesTree --scale=4 --size=200'],
['pythagorean-tree-fb-big.png',
'math-image --path=PythagoreanTree,tree_type=FB --values=LinesTree --scale=4 --size=200'],
['pythagorean-points-sm-big.png',
'math-image --path=PythagoreanTree,coordinates=SM --all --scale=1 --size=150'],
['pythagorean-points-sc-big.png',
'math-image --path=PythagoreanTree,coordinates=SC --all --scale=1 --size=150'],
['pythagorean-points-mc-big.png',
'math-image --path=PythagoreanTree,coordinates=MC --all --scale=1 --size=150'],
['pythagorean-points-bc-big.png',
'math-image --path=PythagoreanTree,coordinates=BC --all --scale=1 --size=200'],
['pythagorean-points-ac-big.png',
'math-image --path=PythagoreanTree,coordinates=AC --all --scale=1 --size=200'],
['pythagorean-small.png',
'math-image --path=PythagoreanTree --values=LinesTree --scale=1 --size=32'],
['pythagorean-points-big.png',
'math-image --path=PythagoreanTree --all --scale=1 --size=200'],
['htree-big.png',
'math-image --path=HTree --values=LinesTree --scale=6 --size=196 --offset=2,2 --figure=point'],
['htree-small.png',
'math-image --path=HTree --values=LinesTree --scale=4 --size=32 --offset=2,2'],
['chan-tree-rows-ltoh.png', \&special_chan_rows,
title => 'ChanTree,digit_order=LtoH rows' ],
['cfrac-digits-growth.png',
"math-image --path=CfracDigits --expression='i<=3**7?i:0' --scale=1 --size=100x200"],
['cfrac-digits-small.png',
'math-image --path=CfracDigits --lines --scale=4 --size=32 --offset=-4,-8'],
['cfrac-digits-big.png',
'math-image --path=CfracDigits --lines --scale=10 --size=200'],
['cfrac-digits-radix3.png',
'math-image --path=CfracDigits,radix=3 --lines --scale=10 --size=200'],
['cfrac-digits-radix4.png',
'math-image --path=CfracDigits,radix=4 --lines --scale=10 --size=200'],
['chan-tree-lines.png',
'math-image --path=ChanTree --values=LinesTree --scale=12 --size=200'],
['chan-tree-small.png',
'math-image --path=ChanTree --all --scale=2 --size=32'],
['chan-tree-big.png',
'math-image --path=ChanTree --all --scale=3 --size=200'],
['chan-tree-k4.png',
'math-image --path=ChanTree,k=4 --all --scale=3 --size=200'],
['chan-tree-k5.png',
'math-image --path=ChanTree,k=5 --all --scale=3 --size=200'],
['toothpick-spiral-small.png',
'math-image --path=ToothpickSpiral --values=Lines --scale=5 --size=32 --figure=point'],
['toothpick-spiral-big.png',
'math-image --path=ToothpickSpiral --values=Lines --scale=9 --size=200x200'],
['toothpick-upist-small.png',
'math-image --path=ToothpickUpist --values=LinesTree --scale=4 --size=32 --figure=toothpick --offset=0,5'],
['toothpick-upist-big.png',
'math-image --path=ToothpickUpist --values=LinesTree --scale=5 --size=300x150 --figure=toothpick'],
['lcorner-tree-1.png',
'math-image --path=LCornerTree,parts=1 --values=LinesTree --scale=7 --size=99'],
['lcorner-tree-big.png',
'math-image --path=LCornerTree --values=LinesTree --scale=7 --size=199'],
['lcorner-tree-octant-up.png',
'math-image --path=LCornerTree,parts=octant_up --values=LinesTree --scale=7 --size=99 --figure=point'],
['lcorner-tree-octant-up+1.png',
'math-image --path=LCornerTree,parts=octant_up+1 --values=LinesTree --scale=7 --size=99 --figure=point'],
['lcorner-tree-wedge.png',
'math-image --path=LCornerTree,parts=wedge --values=LinesTree --scale=6 --size=200x95 --figure=point'],
['lcorner-tree-wedge+1.png',
'math-image --path=LCornerTree,parts=wedge+1 --values=LinesTree --scale=6 --size=200x95 --figure=point'],
['lcorner-tree-octant.png',
'math-image --path=LCornerTree,parts=octant --values=LinesTree --scale=7 --size=99 --figure=point'],
['lcorner-tree-octant+1.png',
'math-image --path=LCornerTree,parts=octant+1 --values=LinesTree --scale=7 --size=99 --figure=point'],
['lcorner-tree-diagonal.png',
'math-image --path=LCornerTree,parts=diagonal --values=LinesTree --scale=7 --size=99 --figure=point'],
['lcorner-tree-diagonal-1.png',
'math-image --path=LCornerTree,parts=diagonal-1 --values=LinesTree --scale=7 --size=99'],
['lcorner-tree-small.png',
'math-image --path=LCornerTree --values=LinesTree --scale=4 --size=32'],
['toothpick-tree-3.png',
'math-image --path=ToothpickTree,parts=3 --values=LinesTree --scale=6 --size=200 --figure=point'],
['toothpick-tree-octant.png',
'math-image --path=ToothpickTree,parts=octant --values=LinesTree --scale=6 --size=200 --figure=point'],
['toothpick-tree-wedge.png',
'math-image --path=ToothpickTree,parts=wedge --values=LinesTree --scale=6 --size=200x104 --figure=toothpick --offset=0,5'],
['toothpick-tree-small.png',
'math-image --path=ToothpickTree --values=LinesTree --scale=4 --size=32'],
['toothpick-tree-big.png',
'math-image --path=ToothpickTree --values=LinesTree --scale=6 --size=200'],
['toothpick-replicate-small.png',
'math-image --path=ToothpickReplicate --lines --scale=4 --size=32 --figure=toothpick'],
['toothpick-replicate-big.png',
'math-image --path=ToothpickReplicate --all --scale=6 --size=200 --figure=toothpick'],
['ulam-warburton-1.png',
"math-image --path=UlamWarburton,parts=1 --values=LinesTree --figure=diamond --scale=8 --size=150"],
['ulam-warburton-2.png',
"math-image --path=UlamWarburton,parts=2 --values=Lines --figure=point --scale=6 --size=360x130"],
['ulam-warburton-tree-big.png',
"math-image --path=UlamWarburton --values=LinesTree --scale=7 --figure=point --size=150"],
['ulam-warburton-small.png',
"math-image --path=UlamWarburton --expression='i<50?i:0' --scale=2 --size=32"],
['ulam-warburton-big.png',
"math-image --path=UlamWarburton --expression='i<233?i:0' --scale=4 --size=150"],
['one-of-eight-wedge.png',
'math-image --path=OneOfEight,parts=wedge --all --scale=3 --size=200x99'],
['one-of-eight-1-nonleaf.png',
'math-image --path=OneOfEight,parts=1 --values=PlanePathCoord,planepath=\"OneOfEight,parts=1\",coordinate_type=IsNonLeaf --scale=3 --size=99'],
['one-of-eight-small.png',
'math-image --path=OneOfEight --values=LinesTree --scale=4 --size=32'],
['one-of-eight-big.png',
'math-image --path=OneOfEight --values=LinesTree --scale=6 --size=200'],
['one-of-eight-1.png',
'math-image --path=OneOfEight,parts=1 --all --scale=3 --size=99'],
['one-of-eight-octant.png',
'math-image --path=OneOfEight,parts=octant --all --scale=3 --size=99'],
['one-of-eight-3mid.png',
'math-image --path=OneOfEight,parts=3mid --all --scale=3 --size=99'],
['one-of-eight-3side.png',
'math-image --path=OneOfEight,parts=3side --all --scale=3 --size=99'],
['flowsnake-3arm-big.png',
'math-image --path=Flowsnake,arms=3 --lines --scale=6 --size=200 --figure=point'],
['flowsnake-small.png',
'math-image --path=Flowsnake --lines --scale=4 --size=32 --offset=-5,-13'],
['flowsnake-big.png',
'math-image --path=Flowsnake --lines --scale=8 --size=200 --offset=-20,-90'],
['flowsnake-centres-small.png',
'math-image --path=FlowsnakeCentres --lines --scale=4 --size=32 --offset=-5,-13'],
['flowsnake-centres-big.png',
'math-image --path=FlowsnakeCentres --lines --scale=8 --size=200 --offset=-20,-90'],
['rationals-tree-rows-sb.png', \&special_sb_rows,
title => 'RationalsTree,tree_type=SB rows' ],
['rationals-tree-lines-ayt.png',
'math-image --path=RationalsTree,tree_type=AYT --values=LinesTree --scale=20 --size=200'],
['rationals-tree-lines-hcs.png',
'math-image --path=RationalsTree,tree_type=HCS --values=LinesTree --scale=20 --size=200'],
['rationals-tree-lines-l.png',
'math-image --path=RationalsTree,tree_type=L --values=LinesTree --scale=20 --size=200'],
['rationals-tree-small.png',
'math-image --path=RationalsTree --values=LinesTree --scale=8 --size=32 --offset=-8,-8'],
['rationals-tree-big.png',
'math-image --path=RationalsTree --all --scale=3 --size=200'],
['rationals-tree-lines-sb.png',
'math-image --path=RationalsTree,tree_type=SB --values=LinesTree --scale=20 --size=200'],
['rationals-tree-lines-cw.png',
'math-image --path=RationalsTree,tree_type=CW --values=LinesTree --scale=20 --size=200'],
['rationals-tree-lines-bird.png',
'math-image --path=RationalsTree,tree_type=Bird --values=LinesTree --scale=20 --size=200'],
['rationals-tree-lines-drib.png',
'math-image --path=RationalsTree,tree_type=Drib --values=LinesTree --scale=20 --size=200'],
['triangle-spiral-skewed-small.png',
'math-image --path=TriangleSpiralSkewed --lines --scale=3 --size=32'],
['triangle-spiral-skewed-big.png',
'math-image --path=TriangleSpiralSkewed --lines --scale=13 --size=150'],
['triangle-spiral-skewed-right-big.png',
'math-image --path=TriangleSpiralSkewed,skew=right --lines --scale=13 --size=150'],
['triangle-spiral-skewed-up-big.png',
'math-image --path=TriangleSpiralSkewed,skew=up --lines --scale=13 --size=150'],
['triangle-spiral-skewed-down-big.png',
'math-image --path=TriangleSpiralSkewed,skew=down --lines --scale=13 --size=150'],
['triangle-spiral-small.png',
'math-image --path=TriangleSpiral --lines --scale=3 --size=32'],
['triangle-spiral-big.png',
'math-image --path=TriangleSpiral --lines --scale=13 --size=300x150'],
['koch-curve-small.png',
'math-image --path=KochCurve --lines --scale=2 --size=32 --offset=0,8'],
['koch-curve-big.png',
'math-image --path=KochCurve --lines --scale=5 --size=250x100 --offset=0,5'],
['lcorner-replicate-small.png',
'math-image --path=LCornerReplicate --lines --scale=4 --size=32'],
['lcorner-replicate-big.png',
'math-image --path=LCornerReplicate --lines --scale=7 --size=200'],
['imaginaryhalf-small.png',
'math-image --path=ImaginaryHalf --lines --scale=7 --size=32'],
['imaginaryhalf-big.png',
'math-image --path=ImaginaryHalf --lines --scale=18 --size=200'],
['imaginaryhalf-radix5-big.png',
'math-image --path=ImaginaryHalf,radix=5 --lines --scale=18 --size=200'],
['imaginaryhalf-xxy-big.png',
'math-image --path=ImaginaryHalf,digit_order=XXY --lines --scale=10 --size=75'],
['imaginaryhalf-yxx-big.png',
'math-image --path=ImaginaryHalf,digit_order=YXX --lines --scale=10 --size=75'],
['imaginaryhalf-xnyx-big.png',
'math-image --path=ImaginaryHalf,digit_order=XnYX --lines --scale=10 --size=75'],
['imaginaryhalf-xnxy-big.png',
'math-image --path=ImaginaryHalf,digit_order=XnXY --lines --scale=10 --size=75'],
['imaginaryhalf-yxnx-big.png',
'math-image --path=ImaginaryHalf,digit_order=YXnX --lines --scale=10 --size=75'],
['imaginarybase-small.png',
'math-image --path=ImaginaryBase --lines --scale=7 --size=32'],
['imaginarybase-big.png',
'math-image --path=ImaginaryBase --lines --scale=18 --size=200'],
['imaginarybase-radix5-big.png',
'math-image --path=ImaginaryBase,radix=5 --lines --scale=18 --size=200'],
['h-indexing-small.png',
'math-image --path=HIndexing --scale=3 --size=32 --lines --figure=point'],
['h-indexing-big.png',
'math-image --path=HIndexing --lines --scale=5 --size=200 --figure=point'],
['sierpinski-curve-small.png',
'math-image --path=SierpinskiCurve,arms=2 --scale=3 --size=32 --lines --figure=point'],
['sierpinski-curve-big.png',
'math-image --path=SierpinskiCurve --lines --scale=3 --size=200 --figure=point'],
['sierpinski-curve-8arm-big.png',
'math-image --path=SierpinskiCurve,arms=8 --lines --scale=3 --size=200 --figure=point'],
['alternate-paper-midpoint-small.png',
'math-image --path=AlternatePaperMidpoint --lines --scale=3 --size=32'],
['alternate-paper-midpoint-big.png',
'math-image --path=AlternatePaperMidpoint --lines --figure=point --scale=4 --size=200'],
['alternate-paper-midpoint-8arm-big.png',
'math-image --path=AlternatePaperMidpoint,arms=8 --lines --figure=point --scale=4 --size=200'],
['sierpinski-curve-stair-small.png',
'math-image --path=SierpinskiCurveStair,arms=2 --scale=3 --size=32 --lines --figure=point'],
['sierpinski-curve-stair-big.png',
'math-image --path=SierpinskiCurveStair --lines --scale=5 --size=200 --figure=point'],
['sierpinski-curve-stair-8arm-big.png',
'math-image --path=SierpinskiCurveStair,arms=8 --lines --scale=5 --size=200 --figure=point'],
['alternate-paper-small.png',
'math-image --path=AlternatePaper --lines --scale=4 --size=32'],
['alternate-paper-big.png',
'math-image --path=AlternatePaper --lines --figure=point --scale=8 --size=200'],
['alternate-paper-rounded-big.png',
'math-image --path=AlternatePaper --values=Lines,lines_type=rounded,midpoint_offset=0.4 --figure=point --scale=16 --size=200'],
['pyramid-rows-small.png',
'math-image --path=PyramidRows --lines --scale=5 --size=32'],
['pyramid-rows-big.png',
'math-image --path=PyramidRows --lines --scale=15 --size=300x150'],
['pyramid-rows-right-big.png',
'math-image --path=PyramidRows,step=4,align=right --lines --scale=15 --size=300x150'],
['pyramid-rows-left-big.png',
'math-image --path=PyramidRows,step=1,align=left --lines --scale=15 --size=160x150 --offset=65,0'],
['sierpinski-triangle-small.png',
'math-image --path=SierpinskiTriangle --all --scale=2 --size=32'],
['sierpinski-triangle-big.png',
'math-image --path=SierpinskiTriangle --all --scale=3 --size=400x200'],
['sierpinski-triangle-right-big.png',
'math-image --path=SierpinskiTriangle,align=right --all --scale=3 --size=200x200'],
['sierpinski-triangle-left-big.png',
'math-image --path=SierpinskiTriangle,align=left --all --scale=3 --size=200x200 --offset=98,0'],
['sierpinski-triangle-diagonal-big.png',
'math-image --path=SierpinskiTriangle,align=diagonal --values=LinesTree --scale=4 --size=200x200'],
['sierpinski-arrowhead-centres-small.png',
'math-image --path=SierpinskiArrowheadCentres --lines --scale=2 --size=32'],
['sierpinski-arrowhead-centres-big.png',
'math-image --path=SierpinskiArrowheadCentres --lines --scale=3 --size=400x200'],
['sierpinski-arrowhead-centres-right-big.png',
'math-image --path=SierpinskiArrowheadCentres,align=right --lines --scale=4 --size=200x200'],
['sierpinski-arrowhead-centres-left-big.png',
'math-image --path=SierpinskiArrowheadCentres,align=left --lines --scale=4 --size=200x200 --offset=98,0'],
['sierpinski-arrowhead-centres-diagonal-big.png',
'math-image --path=SierpinskiArrowheadCentres,align=diagonal --lines --scale=5 --size=200x200 --figure=point'],
['sierpinski-arrowhead-small.png',
'math-image --path=SierpinskiArrowhead --lines --scale=2 --size=32'],
['sierpinski-arrowhead-big.png',
'math-image --path=SierpinskiArrowhead --lines --scale=3 --size=400x200'],
['sierpinski-arrowhead-right-big.png',
'math-image --path=SierpinskiArrowhead,align=right --lines --scale=4 --size=200x200'],
['sierpinski-arrowhead-left-big.png',
'math-image --path=SierpinskiArrowhead,align=left --lines --scale=4 --size=200x200 --offset=98,0'],
['sierpinski-arrowhead-diagonal-big.png',
'math-image --path=SierpinskiArrowhead,align=diagonal --lines --scale=5 --size=200x200 --figure=point'],
['wunderlich-meander-small.png',
'math-image --path=WunderlichMeander --lines --scale=4 --size=32 --figure=point'],
['wunderlich-meander-big.png',
'math-image --path=WunderlichMeander --lines --scale=7 --size=192 --figure=point'],
['cinco-small.png',
'math-image --path=CincoCurve --lines --scale=6 --size=32 --figure=point'],
['cinco-big.png',
'math-image --path=CincoCurve --lines --scale=7 --size=176 --figure=point'],
['power-array-small.png',
'math-image --path=PowerArray --lines --scale=8 --size=32'],
['power-array-big.png',
'math-image --path=PowerArray --lines --scale=16 --size=200'],
['power-array-radix5-big.png',
'math-image --path=PowerArray,radix=5 --lines --scale=16 --size=200'],
['complexminus-small.png',
"math-image --path=ComplexMinus --expression='i<32?i:0' --scale=2 --size=32"],
['complexminus-big.png',
"math-image --path=ComplexMinus --expression='i<1024?i:0' --scale=3 --size=200"],
['complexminus-r2-small.png',
"math-image --path=ComplexMinus,realpart=2 --expression='i<125?i:0' --scale=2 --size=32"],
['complexminus-r2-big.png',
"math-image --path=ComplexMinus,realpart=2 --expression='i<3125?i:0' --scale=1 --size=200"],
['pyramid-sides-small.png',
'math-image --path=PyramidSides --lines --scale=5 --size=32'],
['pyramid-sides-big.png',
'math-image --path=PyramidSides --lines --scale=15 --size=300x150'],
['triangular-hypot-small.png',
'math-image --path=TriangularHypot --lines --scale=4 --size=32'],
['triangular-hypot-big.png',
'math-image --path=TriangularHypot --lines --scale=15 --size=200x150'],
['triangular-hypot-odd-big.png',
'math-image --path=TriangularHypot,points=odd --lines --scale=15 --size=200x150'],
['triangular-hypot-all-big.png',
'math-image --path=TriangularHypot,points=all --lines --scale=15 --size=200x150'],
['triangular-hypot-hex-big.png',
'math-image --path=TriangularHypot,points=hex --lines --scale=15 --size=200x150'],
['triangular-hypot-hex-rotated-big.png',
'math-image --path=TriangularHypot,points=hex_rotated --lines --scale=15 --size=200x150'],
['triangular-hypot-hex-centred-big.png',
'math-image --path=TriangularHypot,points=hex_centred --lines --scale=15 --size=200x150'],
['greek-key-small.png',
'math-image --path=GreekKeySpiral --lines --scale=4 --size=32'],
['greek-key-big.png',
'math-image --path=GreekKeySpiral --lines --scale=8 --size=200'],
['greek-key-turns1-big.png',
'math-image --path=GreekKeySpiral,turns=1 --lines --scale=8 --figure=point --size=200'],
['greek-key-turns5-big.png',
'math-image --path=GreekKeySpiral,turns=5 --lines --scale=8 --figure=point --size=200'],
['c-curve-small.png',
'math-image --path=CCurve --lines --scale=3 --size=32 --offset=8,0'],
['c-curve-big.png',
'math-image --path=CCurve --lines --figure=point --scale=3 --size=250x250 --offset=20,-70'],
['diagonals-octant-small.png',
'math-image --path=DiagonalsOctant --lines --scale=6 --size=32'],
['diagonals-octant-big.png',
'math-image --path=DiagonalsOctant --lines --scale=15 --size=195'],
['diagonals-alternating-small.png',
'math-image --path=DiagonalsAlternating --lines --scale=6 --size=32'],
['diagonals-alternating-big.png',
'math-image --path=DiagonalsAlternating --lines --scale=15 --size=195'],
['diagonals-small.png',
'math-image --path=Diagonals --lines --scale=6 --size=32'],
['diagonals-big.png',
'math-image --path=Diagonals --lines --scale=15 --size=195'],
['terdragon-rounded-small.png',
'math-image --path=TerdragonRounded --lines --scale=2 --size=32 --offset=-5,-10'],
['terdragon-rounded-big.png',
'math-image --path=TerdragonRounded --lines --figure=point --scale=3 --size=200 --offset=65,-20'],
['terdragon-rounded-6arm-big.png',
'math-image --path=TerdragonRounded,arms=6 --lines --figure=point --scale=5 --size=200'],
['terdragon-small.png',
'math-image --path=TerdragonCurve --lines --scale=5 --size=32 --offset=-3,-7'],
['terdragon-big.png',
'math-image --path=TerdragonCurve --lines --figure=point --scale=4 --size=200 --offset=75,50'],
# ['terdragon-6arm-big.png',
# 'math-image --path=TerdragonCurve,arms=6 --lines --figure=point --scale=4 --size=200'],
# ['terdragon-rounded-big.png',
# 'math-image --path=TerdragonCurve --values=Lines,lines_type=rounded,midpoint_offset=.4 --figure=point --scale=16 --size=200 --offset=35,-30'],
# ['terdragon-rounded-6arm-big.png',
# 'math-image --path=TerdragonCurve,arms=6 --values=Lines,lines_type=rounded,midpoint_offset=.4 --figure=point --scale=10 --size=200'],
['terdragon-midpoint-6arm-big.png',
'math-image --path=TerdragonMidpoint,arms=6 --lines --figure=circle --scale=4 --size=200'],
['terdragon-midpoint-small.png',
'math-image --path=TerdragonMidpoint --lines --scale=2 --size=32 --offset=2,-9'],
['terdragon-midpoint-big.png',
'math-image --path=TerdragonMidpoint --lines --figure=circle --scale=8 --size=200 --offset=50,-50'],
['r5dragon-small.png',
'math-image --path=R5DragonCurve --lines --scale=4 --size=32 --offset=6,-5'],
['r5dragon-big.png',
'math-image --path=R5DragonCurve --lines --figure=point --scale=10 --size=200x200 --offset=20,45'],
['r5dragon-rounded-big.png',
'math-image --path=R5DragonCurve --values=Lines,lines_type=rounded,midpoint_offset=.6 --figure=point --scale=10 --size=200x200 --offset=20,45'],
['r5dragon-rounded-4arm-big.png',
'math-image --path=R5DragonCurve,arms=4 --values=Lines,lines_type=rounded,midpoint_offset=.6 --figure=point --scale=20 --size=200x200'],
['r5dragon-midpoint-small.png',
'math-image --path=R5DragonMidpoint --lines --scale=3 --size=32 --offset=3,-9'],
['r5dragon-midpoint-big.png',
'math-image --path=R5DragonMidpoint --lines --figure=point --scale=8 --size=200 --offset=65,-15'],
['r5dragon-midpoint-4arm-big.png',
'math-image --path=R5DragonMidpoint,arms=4 --lines --figure=point --scale=12 --size=200'],
['cubicbase-small.png',
'math-image --path=CubicBase --lines --scale=5 --size=32'],
['cubicbase-big.png',
'math-image --path=CubicBase --lines --scale=18 --size=200'],
['cubicbase-radix5-big.png',
'math-image --path=CubicBase,radix=5 --lines --scale=18 --size=200'],
['peano-small.png',
'math-image --path=PeanoCurve --lines --scale=3 --size=32'],
['peano-big.png',
'math-image --path=PeanoCurve --lines --scale=7 --size=192'],
['peano-radix7-big.png',
'math-image --path=PeanoCurve,radix=7 --values=Lines --scale=5 --size=192'],
['gray-code-small.png',
'math-image --path=GrayCode --lines --scale=6 --size=32'],
['gray-code-big.png',
'math-image --path=GrayCode --lines --scale=14 --size=226'],
['gray-code-radix4-big.png',
'math-image --path=GrayCode,radix=4 --lines --scale=14 --size=226'],
['zorder-small.png',
'math-image --path=ZOrderCurve --lines --scale=6 --size=32'],
['zorder-big.png',
'math-image --path=ZOrderCurve --lines --scale=14 --size=226'],
['zorder-radix5-big.png',
'math-image --path=ZOrderCurve,radix=5 --lines --scale=14 --size=226'],
['zorder-fibbinary.png',
'math-image --path=ZOrderCurve --values=Fibbinary --scale=1 --size=704x320'],
['wunderlich-serpentine-small.png',
'math-image --path=WunderlichSerpentine --lines --scale=4 --size=32'],
['wunderlich-serpentine-big.png',
'math-image --path=WunderlichSerpentine --lines --scale=7 --size=192'],
['wunderlich-serpentine-coil-big.png',
'math-image --path=WunderlichSerpentine,serpentine_type=coil --values=Lines --scale=7 --size=192'],
['wunderlich-serpentine-radix7-big.png',
'math-image --path=WunderlichSerpentine,radix=7 --values=Lines --scale=5 --size=192'],
['cretan-labyrinth-small.png',
'math-image --path=CretanLabyrinth --lines --scale=3 --size=32'],
['cretan-labyrinth-big.png',
'math-image --path=CretanLabyrinth --lines --scale=9 --size=185x195 --offset=5,0'],
['theodorus-small.png',
'math-image --path=TheodorusSpiral --lines --scale=3 --size=32'],
['theodorus-big.png',
'math-image --path=TheodorusSpiral --lines --scale=10 --size=200'],
['filled-rings-small.png',
'math-image --path=FilledRings --lines --scale=4 --size=32'],
['filled-rings-big.png',
'math-image --path=FilledRings --lines --scale=10 --size=200'],
['pixel-small.png',
'math-image --path=PixelRings --lines --scale=4 --size=32'],
['pixel-big.png',
'math-image --path=PixelRings --all --figure=circle --scale=10 --size=200',
border => 1 ],
['pixel-lines-big.png',
'math-image --path=PixelRings --lines --scale=10 --size=200'],
['staircase-small.png',
'math-image --path=Staircase --lines --scale=4 --size=32'],
['staircase-big.png',
'math-image --path=Staircase --lines --scale=12 --size=200x200'],
['staircase-alternating-square-small.png',
'math-image --path=StaircaseAlternating,end_type=square --lines --scale=4 --size=32'],
['staircase-alternating-big.png',
'math-image --path=StaircaseAlternating --lines --scale=12 --size=200x200'],
['staircase-alternating-square-big.png',
'math-image --path=StaircaseAlternating,end_type=square --lines --scale=12 --size=200x200'],
['cellular-rule-30-small.png',
'math-image --path=CellularRule,rule=30 --all --scale=2 --size=32'],
['cellular-rule-30-big.png',
'math-image --path=CellularRule,rule=30 --all --scale=4 --size=300x150'],
['cellular-rule-73-big.png',
'math-image --path=CellularRule,rule=73 --all --scale=4 --size=300x150'],
['cellular-rule190-small.png',
'math-image --path=CellularRule190 --all --scale=3 --size=32'],
['cellular-rule190-big.png',
'math-image --path=CellularRule190 --all --scale=4 --size=300x150'],
['cellular-rule190-mirror-big.png',
'math-image --path=CellularRule190,mirror=1 --all --scale=4 --size=300x150'],
['cellular-rule54-small.png',
'math-image --path=CellularRule54 --all --scale=3 --size=32'],
['cellular-rule54-big.png',
'math-image --path=CellularRule54 --all --scale=4 --size=300x150'],
['complexplus-small.png',
"math-image --path=ComplexPlus --all --scale=2 --size=32"],
['complexplus-big.png',
"math-image --path=ComplexPlus --all --scale=3 --size=200",
border => 1],
['complexplus-r2-small.png',
"math-image --path=ComplexPlus,realpart=2 --all --scale=2 --size=32"],
['complexplus-r2-big.png',
"math-image --path=ComplexPlus,realpart=2 --all --scale=1 --size=200",
border => 1],
['digit-groups-small.png',
"math-image --path=DigitGroups --expression='i<256?i:0' --scale=2 --size=32"],
# --foreground=red
['digit-groups-big.png',
"math-image --path=DigitGroups --expression='i<2048?i:0' --scale=3 --size=200",
border => 1],
['digit-groups-radix5-big.png',
"math-image --path=DigitGroups,radix=5 --expression='i<15625?i:0' --scale=3 --size=200",
border => 1],
['l-tiling-small.png',
'math-image --path=LTiling --all --scale=2 --size=32' ],
['l-tiling-big.png',
'math-image --path=LTiling --all --scale=10 --size=200',
border => 1 ],
['l-tiling-ends-big.png',
'math-image --path=LTiling,L_fill=ends --all --scale=10 --size=200',
border => 1],
['l-tiling-all-big.png',
'math-image --path=LTiling,L_fill=all --lines --scale=10 --size=200'],
['dragon-rounded-small.png',
'math-image --path=DragonRounded --lines --scale=2 --size=32 --offset=6,-3'],
['dragon-rounded-big.png',
'math-image --path=DragonRounded --lines --figure=point --scale=3 --size=200 --offset=-20,0'],
['dragon-rounded-3arm-big.png',
'math-image --path=DragonRounded,arms=3 --lines --figure=point --scale=3 --size=200'],
['dragon-midpoint-small.png',
'math-image --path=DragonMidpoint --lines --scale=3 --size=32 --offset=7,-6'],
['dragon-midpoint-big.png',
'math-image --path=DragonMidpoint --lines --figure=point --scale=8 --size=200 --offset=-10,50'],
['dragon-midpoint-4arm-big.png',
'math-image --path=DragonMidpoint,arms=4 --lines --figure=point --scale=8 --size=200'],
['dragon-small.png',
'math-image --path=DragonCurve --lines --scale=4 --size=32 --offset=6,0'],
['dragon-big.png',
'math-image --path=DragonCurve --lines --figure=point --scale=8 --size=250x200 --offset=-55,0'],
['cellular-rule57-small.png',
'math-image --path=CellularRule57 --all --scale=3 --size=32'],
['cellular-rule57-big.png',
'math-image --path=CellularRule57 --all --scale=4 --size=300x150'],
['cellular-rule57-mirror-big.png',
'math-image --path=CellularRule57,mirror=1 --all --scale=4 --size=300x150'],
['quadric-islands-small.png',
'math-image --path=QuadricIslands --lines --scale=4 --size=32'],
['quadric-islands-big.png',
'math-image --path=QuadricIslands --lines --scale=2 --size=200'],
['quadric-curve-small.png',
'math-image --path=QuadricCurve --lines --scale=2 --size=32'],
['quadric-curve-big.png',
'math-image --path=QuadricCurve --lines --scale=4 --size=300x200'],
['divisible-columns-small.png',
'math-image --path=DivisibleColumns --all --scale=3 --size=32'],
['divisible-columns-big.png',
'math-image --path=DivisibleColumns --all --scale=3 --size=200'],
['divisible-columns-proper-big.png',
'math-image --path=DivisibleColumns,divisor_type=proper --all --scale=3 --size=400x200'],
['vogel-small.png',
'math-image --path=VogelFloret --all --scale=3 --size=32'],
['vogel-big.png',
'math-image --path=VogelFloret --all --scale=4 --size=200'],
['vogel-sqrt2-big.png',
'math-image --path=VogelFloret,rotation_type=sqrt2 --all --scale=4 --size=200'],
['vogel-sqrt5-big.png',
'math-image --path=VogelFloret,rotation_type=sqrt5 --all --scale=4 --size=200'],
['anvil-small.png',
'math-image --path=AnvilSpiral --lines --scale=4 --size=32'],
['anvil-big.png',
'math-image --path=AnvilSpiral --lines --scale=13 --size=200'],
['anvil-wider4-big.png',
'math-image --path=AnvilSpiral,wider=4 --lines --scale=13 --size=200'],
['octagram-small.png',
'math-image --path=OctagramSpiral --lines --scale=4 --size=32'],
['octagram-big.png',
'math-image --path=OctagramSpiral --lines --scale=13 --size=200'],
['complexrevolving-small.png',
"math-image --path=ComplexRevolving --expression='i<64?i:0' --scale=2 --size=32"],
['complexrevolving-big.png',
"math-image --path=ComplexRevolving --expression='i<4096?i:0' --scale=2 --size=200"],
['fractions-tree-small.png',
'math-image --path=FractionsTree --values=LinesTree --scale=8 --size=32 --offset=-8,-12'],
['fractions-tree-big.png',
'math-image --path=FractionsTree --all --scale=3 --size=200'],
['fractions-tree-lines-kepler.png',
'math-image --path=FractionsTree,tree_type=Kepler --values=LinesTree --scale=20 --size=200'],
['factor-rationals-small.png',
'math-image --path=FactorRationals --lines --scale=6 --size=32 --offset=-4,-4'],
['factor-rationals-big.png',
'math-image --path=FactorRationals --lines --scale=15 --size=200'],
['ar2w2-small.png',
'math-image --path=AR2W2Curve --lines --scale=4 --size=32 --figure=point'],
['ar2w2-a1-big.png',
'math-image --path=AR2W2Curve --lines --scale=7 --size=225 --figure=point'],
['ar2w2-d2-big.png',
'math-image --path=AR2W2Curve,start_shape=D2 --lines --scale=7 --size=113 --figure=point'],
['ar2w2-b2-big.png',
'math-image --path=AR2W2Curve,start_shape=B2 --lines --scale=7 --size=113 --figure=point'],
['ar2w2-b1rev-big.png',
'math-image --path=AR2W2Curve,start_shape=B1rev --lines --scale=7 --size=113 --figure=point'],
['ar2w2-d1rev-big.png',
'math-image --path=AR2W2Curve,start_shape=D1rev --lines --scale=7 --size=113 --figure=point'],
['ar2w2-a2rev-big.png',
'math-image --path=AR2W2Curve,start_shape=A2rev --lines --scale=7 --size=113 --figure=point'],
['diagonal-rationals-small.png',
'math-image --path=DiagonalRationals --lines --scale=4 --size=32'],
['diagonal-rationals-big.png',
'math-image --path=DiagonalRationals --lines --scale=10 --size=200'],
['coprime-columns-small.png',
'math-image --path=CoprimeColumns --all --scale=3 --size=32'],
['coprime-columns-big.png',
'math-image --path=CoprimeColumns --all --scale=3 --size=200'],
['corner-small.png',
'math-image --path=Corner --lines --scale=4 --size=32'],
['corner-big.png',
'math-image --path=Corner --lines --scale=12 --size=200'],
['corner-wider4-big.png',
'math-image --path=Corner,wider=4 --lines --scale=12 --size=200'],
['kochel-small.png',
'math-image --path=KochelCurve --lines --scale=4 --size=32 --figure=point'],
['kochel-big.png',
'math-image --path=KochelCurve --lines --scale=7 --size=192 --figure=point'],
['beta-omega-small.png',
'math-image --path=BetaOmega --lines --scale=4 --size=32 --figure=point'],
['beta-omega-big.png',
'math-image --path=BetaOmega --lines --scale=7 --size=226 --figure=point'],
['mpeaks-small.png',
'math-image --path=MPeaks --lines --scale=4 --size=32'],
['mpeaks-big.png',
'math-image --path=MPeaks --lines --scale=13 --size=200x180'],
['hex-small.png',
'math-image --path=HexSpiral --lines --scale=3 --size=32'],
['hex-big.png',
'math-image --path=HexSpiral --lines --scale=13 --size=300x150'],
['hex-wider4-big.png',
'math-image --path=HexSpiral,wider=4 --lines --scale=13 --size=300x150'],
['hex-arms-small.png',
'math-image --path=HexArms --lines --scale=3 --size=32'],
['hex-arms-big.png',
'math-image --path=HexArms --lines --scale=10 --size=300x150'],
['hex-skewed-small.png',
'math-image --path=HexSpiralSkewed --lines --scale=3 --size=32'],
['hex-skewed-big.png',
'math-image --path=HexSpiralSkewed --lines --scale=13 --size=150'],
['hex-skewed-wider4-big.png',
'math-image --path=HexSpiralSkewed,wider=4 --lines --scale=13 --size=150'],
['fibonacci-word-fractal-small.png',
'math-image --path=FibonacciWordFractal --lines --scale=2 --size=32 --offset=2,2'],
['fibonacci-word-fractal-big.png',
'math-image --path=FibonacciWordFractal --lines --scale=2 --size=345x170'],
['corner-replicate-small.png',
'math-image --path=CornerReplicate --lines --scale=4 --size=32'],
['corner-replicate-big.png',
'math-image --path=CornerReplicate --lines --scale=10 --size=200'],
['aztec-diamond-rings-small.png',
'math-image --path=AztecDiamondRings --lines --scale=4 --size=32 --offset=3,3'],
['aztec-diamond-rings-big.png',
'math-image --path=AztecDiamondRings --lines --scale=13 --size=200x200'],
['diamond-spiral-small.png',
'math-image --path=DiamondSpiral --lines --scale=4 --size=32'],
['diamond-spiral-big.png',
'math-image --path=DiamondSpiral --lines --scale=13 --size=200x200'],
['square-replicate-small.png',
'math-image --path=SquareReplicate --lines --scale=4 --size=32'],
['square-replicate-big.png',
'math-image --path=SquareReplicate --lines --scale=10 --size=215'],
['gosper-replicate-small.png', # 7^2-1=48
"math-image --path=GosperReplicate --expression='i<48?i:0' --scale=2 --size=32"],
['gosper-replicate-big.png', # 7^4-1=16806
"math-image --path=GosperReplicate --expression='i<16806?i:0' --scale=1 --size=320x200"],
['gosper-side-small.png',
'math-image --path=GosperSide --lines --scale=3 --size=32 --offset=-13,-7'],
['gosper-side-big.png',
'math-image --path=GosperSide --lines --scale=1 --size=250x200 --offset=95,-95'],
['gosper-islands-small.png',
'math-image --path=GosperIslands --lines --scale=3 --size=32'],
['gosper-islands-big.png',
'math-image --path=GosperIslands --lines --scale=2 --size=250x200'],
['square-small.png',
'math-image --path=SquareSpiral --lines --scale=4 --size=32'],
['square-big.png',
'math-image --path=SquareSpiral --lines --scale=13 --size=200'],
['square-wider4-big.png',
'math-image --path=SquareSpiral,wider=4 --lines --scale=13 --size=253x200'],
['quintet-replicate-small.png',
"math-image --path=QuintetReplicate --expression='i<125?i:0' --scale=2 --size=32"],
['quintet-replicate-big.png',
"math-image --path=QuintetReplicate --expression='i<3125?i:0' --scale=2 --size=200"],
['quintet-curve-small.png',
'math-image --path=QuintetCurve --lines --scale=4 --size=32 --offset=-10,0 --figure=point'],
['quintet-curve-big.png',
'math-image --path=QuintetCurve --lines --scale=7 --size=200 --offset=-20,-70 --figure=point'],
['quintet-curve-4arm-big.png',
'math-image --path=QuintetCurve,arms=4 --lines --scale=7 --size=200 --figure=point'],
['quintet-centres-small.png',
'math-image --path=QuintetCentres --lines --scale=4 --size=32 --offset=-10,0 --figure=point'],
['quintet-centres-big.png',
'math-image --path=QuintetCentres --lines --scale=7 --size=200 --offset=-20,-70 --figure=point'],
['koch-squareflakes-inward-small.png',
'math-image --path=KochSquareflakes,inward=1 --lines --scale=2 --size=32'],
['koch-squareflakes-inward-big.png',
'math-image --path=KochSquareflakes,inward=1 --lines --scale=2 --size=150x150'],
['koch-squareflakes-small.png',
'math-image --path=KochSquareflakes --lines --scale=1 --size=32'],
['koch-squareflakes-big.png',
'math-image --path=KochSquareflakes --lines --scale=2 --size=150x150'],
['koch-snowflakes-small.png',
'math-image --path=KochSnowflakes --lines --scale=2 --size=32'],
['koch-snowflakes-big.png',
'math-image --path=KochSnowflakes --lines --scale=3 --size=200x150'],
['koch-peaks-small.png',
'math-image --path=KochPeaks --lines --scale=2 --size=32'],
['koch-peaks-big.png',
'math-image --path=KochPeaks --lines --scale=3 --size=200x100'],
['diamond-arms-small.png',
'math-image --path=DiamondArms --lines --scale=5 --size=32'],
['diamond-arms-big.png',
'math-image --path=DiamondArms --lines --scale=15 --size=150x150'],
['square-arms-small.png',
'math-image --path=SquareArms --lines --scale=3 --size=32'],
['square-arms-big.png',
'math-image --path=SquareArms --lines --scale=10 --size=150x150'],
['hept-skewed-small.png',
'math-image --path=HeptSpiralSkewed --lines --scale=4 --size=32'],
['hept-skewed-big.png',
'math-image --path=HeptSpiralSkewed --lines --scale=13 --size=200'],
['pent-small.png',
'math-image --path=PentSpiral --lines --scale=4 --size=32'],
['pent-big.png',
'math-image --path=PentSpiral --lines --scale=13 --size=200'],
['hypot-octant-small.png',
'math-image --path=HypotOctant --lines --scale=5 --size=32'],
['hypot-octant-big.png',
'math-image --path=HypotOctant --lines --scale=15 --size=200x150'],
['hypot-small.png',
'math-image --path=Hypot --lines --scale=6 --size=32'],
['hypot-big.png',
'math-image --path=Hypot --lines --scale=15 --size=200x150'],
['knight-small.png',
'math-image --path=KnightSpiral --lines --scale=7 --size=32'],
['knight-big.png',
'math-image --path=KnightSpiral --lines --scale=11 --size=197'],
['multiple-small.png',
'math-image --path=MultipleRings --lines --scale=4 --size=32'],
['multiple-big.png',
'math-image --path=MultipleRings --lines --scale=10 --size=200'],
['sacks-small.png',
'math-image --path=SacksSpiral --lines --scale=5 --size=32'],
['sacks-big.png',
'math-image --path=SacksSpiral --lines --scale=10 --size=200'],
['archimedean-small.png',
'math-image --path=ArchimedeanChords --lines --scale=5 --size=32'],
['archimedean-big.png',
'math-image --path=ArchimedeanChords --lines --scale=10 --size=200'],
) {
my ($filename, $command, %option) = @$elem;
if ($seen_filename{$filename}++) {
die "Duplicate filename $filename";
}
if (ref $command) {
&$command ($tempfile);
} else {
$command .= " --png >$tempfile";
### $command
my $status = system $command;
if ($status) {
die "Exit $status";
}
}
if ($option{'border'}) {
png_border($tempfile);
}
pngtextadd($tempfile, 'Author', 'Kevin Ryde');
pngtextadd($tempfile, 'Generator',
'Math-PlanePath tools/gallery.pl running math-image');
{
my $title = $option{'title'};
if (! defined $title) {
$command =~ /--path=([^ ]+)/
or die "Oops no --path in command: $command";
$title = $1;
if ($command =~ /--values=(Fibbinary)/) {
$title .= " $1";
}
}
pngtextadd ($tempfile, 'Title', $title);
}
system ("optipng -quiet -o2 $tempfile");
my $targetfile = "$target_dir/$filename";
if (File::Compare::compare($tempfile,$targetfile) == 0) {
print "Unchanged $filename\n";
} else {
print "Update $filename\n";
File::Copy::copy($tempfile,$targetfile);
}
if ($filename !~ /small/) {
$big_bytes += -s $targetfile;
}
}
foreach my $filename (<*.png>) {
$filename =~ s{.*/}{};
if (! $seen_filename{$filename}) {
print "leftover file: $filename\n";
}
}
my $gallery_html_filename = "$target_dir/gallery.html";
my $gallery_html_bytes = -s $gallery_html_filename;
my $total_gallery_bytes = $big_bytes + $gallery_html_bytes;
print "total gallery bytes $total_gallery_bytes ($gallery_html_bytes html, $big_bytes \"big\" images)\n";
exit 0;
# draw a 1-pixel black border around the png image in $filename
sub png_border {
my ($filename) = @_;
my $image = Image::Base::GD->new(-file => $filename);
$image->rectangle (0,0,
$image->get('-width') - 1,
$image->get('-height') - 1,
'black');
$image->save;
}
# add text to the png image in $filename
sub pngtextadd {
my ($filename, $keyword, $value) = @_;
system('pngtextadd', "--keyword=$keyword", "--text=$value", $tempfile) == 0
or die "system(pngtextadd)";
}
sub special_chan_rows {
my ($filename) = @_;
my $scale = 8;
my $width = 400;
my $height = 200;
my $margin = int($scale * .2);
my $xhi = int($width/$scale) + 3;
my $yhi = int($height/$scale) + 3;
require Geometry::AffineTransform;
my $affine = Geometry::AffineTransform->new;
$affine->scale ($scale, -$scale);
$affine->translate (-$scale+$margin, $height-1 - (-$scale+$margin));
{
my ($x,$y) = $affine->transform (0,0);
### $x
### $y
}
require Image::Base::GD;
my $image = Image::Base::GD->new (-width => $width, -height => $height);
$image->rectangle (0,0, $width-1,$height-1, 'black');
require Math::PlanePath::ChanTree;
my $path = Math::PlanePath::ChanTree->new (digit_order => 'LtoH',
reduced => 0);
foreach my $y (0 .. $yhi) {
foreach my $x (0 .. $xhi) {
my $n = $path->xy_to_n($x,$y) // next;
next unless $path->tree_n_root($n) == 0; # first root only
my $depth = $path->tree_n_to_depth($n);
foreach my $n2 ($n + 1, $n - 1) {
next unless $n2 >= 1;
next unless $path->tree_n_to_depth($n2) == $depth; # within same depth
next unless $path->tree_n_root($n2) == 0; # first root only
my ($x2,$y2) = $path->n_to_xy($n2);
my ($sx1,$sy1) = $affine->transform($x,$y);
my ($sx2,$sy2) = $affine->transform($x2,$y2);
_image_line_clipped ($image, $sx1,$sy1, $sx2,$sy2,
$width,$height, 'white');
}
}
}
$image->save($filename);
}
sub special_sb_rows {
my ($filename) = @_;
my $scale = 14;
my $width = 200;
my $height = 200;
my $margin = int($scale * .2);
my $xhi = int($width/$scale) + 3;
my $yhi = int($height/$scale) + 3;
require Geometry::AffineTransform;
my $affine = Geometry::AffineTransform->new;
$affine->scale ($scale, -$scale);
$affine->translate (-$scale+$margin, $height-1 - (-$scale+$margin));
{
my ($x,$y) = $affine->transform (0,0);
### $x
### $y
}
require Image::Base::GD;
my $image = Image::Base::GD->new (-width => $width, -height => $height);
$image->rectangle (0,0, $width-1,$height-1, 'black');
require Math::PlanePath::RationalsTree;
my $path = Math::PlanePath::RationalsTree->new;
foreach my $y (0 .. $yhi) {
foreach my $x (0 .. $xhi) {
my $n = $path->xy_to_n($x,$y) // next;
my $depth = $path->tree_n_to_depth($n);
foreach my $n2 ($n + 1, $n - 1) {
next unless $n2 >= 1;
next unless $path->tree_n_to_depth($n2) == $depth;
my ($x2,$y2) = $path->n_to_xy($n2);
my ($sx1,$sy1) = $affine->transform($x,$y);
my ($sx2,$sy2) = $affine->transform($x2,$y2);
_image_line_clipped ($image, $sx1,$sy1, $sx2,$sy2,
$width,$height, 'white');
}
}
}
$image->save($filename);
}
sub _image_line_clipped {
my ($image, $x1,$y1, $x2,$y2, $width,$height, $colour) = @_;
### _image_line_clipped(): "$x1,$y1 $x2,$y2 ${width}x${height}"
if (($x1,$y1, $x2,$y2) = line_clipper ($x1,$y1, $x2,$y2, $width,$height)) {
### clipped draw: "$x1,$y1 $x2,$y2"
$image->line ($x1,$y1, $x2,$y2, $colour);
return 1;
} else {
return 0;
}
}
sub line_clipper {
my ($x1,$y1, $x2,$y2, $width, $height) = @_;
return if ($x1 < 0 && $x2 < 0)
|| ($x1 >= $width && $x2 >= $width)
|| ($y1 < 0 && $y2 < 0)
|| ($y1 >= $height && $y2 >= $height);
my $x1new = $x1;
my $y1new = $y1;
my $x2new = $x2;
my $y2new = $y2;
my $xlen = ($x1 - $x2);
my $ylen = ($y1 - $y2);
if ($x1new < 0) {
$x1new = 0;
$y1new = floor (0.5 + ($y1 * (-$x2)
+ $y2 * ($x1)) / $xlen);
### x1 neg: "y1new to $x1new,$y1new"
} elsif ($x1new >= $width) {
$x1new = $width-1;
$y1new = floor (0.5 + ($y1 * ($x1new-$x2)
+ $y2 * ($x1 - $x1new)) / $xlen);
### x1 big: "y1new to $x1new,$y1new"
}
if ($y1new < 0) {
$y1new = 0;
$x1new = floor (0.5 + ($x1 * (-$y2)
+ $x2 * ($y1)) / $ylen);
### y1 neg: "x1new to $x1new,$y1new left ".($y1new-$y2)." right ".($y1-$y1new)
### x1new to: $x1new
} elsif ($y1new >= $height) {
$y1new = $height-1;
$x1new = floor (0.5 + ($x1 * ($y1new-$y2)
+ $x2 * ($y1 - $y1new)) / $ylen);
### y1 big: "x1new to $x1new,$y1new left ".($y1new-$y2)." right ".($y1-$y1new)
}
if ($x1new < 0 || $x1new >= $width) {
### x1new outside
return;
}
if ($x2new < 0) {
$x2new = 0;
$y2new = floor (0.5 + ($y2 * ($x1)
+ $y1 * (-$x2)) / $xlen);
### x2 neg: "y2new to $x2new,$y2new"
} elsif ($x2new >= $width) {
$x2new = $width-1;
$y2new = floor (0.5 + ($y2 * ($x1-$x2new)
+ $y1 * ($x2new-$x2)) / $xlen);
### x2 big: "y2new to $x2new,$y2new"
}
if ($y2new < 0) {
$y2new = 0;
$x2new = floor (0.5 + ($x2 * ($y1)
+ $x1 * (-$y2)) / $ylen);
### y2 neg: "x2new to $x2new,$y2new"
} elsif ($y2new >= $height) {
$y2new = $height-1;
$x2new = floor (0.5 + ($x2 * ($y1-$y2new)
+ $x1 * ($y2new-$y2)) / $ylen);
### y2 big: "x2new $x2new,$y2new"
}
if ($x2new < 0 || $x2new >= $width) {
### x2new outside
return;
}
return ($x1new,$y1new, $x2new,$y2new);
}