#include <module.h> |
inherit "module"; |
inherit "roxenlib"; |
|
roxen.ImageCache the_cache; |
|
array register_module() |
{ |
return |
({ |
MODULE_PARSER, |
"Image converter", |
"Provides a tag 'cimg'. Usage: " |
"<cimg src=indata format=outformat [quant=numcolors] [img args]>", |
0,1 |
}); |
} |
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void start() |
{ |
the_cache = roxen.ImageCache( "cimg", generate_image ); |
} |
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mapping generate_image( mapping args, object id ) |
{ |
return roxen.low_load_image( args->src, id ); |
} |
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mapping find_internal( string f, object id ) |
{ |
return the_cache->http_file_answer( f, id ); |
} |
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string tag_cimg( string t, mapping args, object id ) |
{ |
mapping a = |
([ |
"src":fix_relative( args->src, id ), |
"quant":args->quant, |
"format":args->format, |
"maxwidth":args->maxwidth, |
"maxheight":args->maxheight, |
"scale":args->scale, |
"dither":args->dither, |
]); |
|
foreach( glob( "*-*", indices(args)), string n ) |
a[n] = args[n]; |
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args -= a; |
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args->src = query_internal_location()+the_cache->store( a ); |
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if( mapping size = the_cache->metadata( a, id, 1 ) ) |
{ |
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args->width = size->xsize; |
args->height = size->ysize; |
} |
return make_tag( "img", args ); |
} |
|
string tag_cimg_url( string t, mapping args, object id ) |
{ |
mapping a = |
([ |
"src":fix_relative( args->src, id ), "quant":args->quant, |
"format":args->format, "maxwidth":args->maxwidth, |
"maxheight":args->maxheight, "scale":args->scale, |
"dither":args->dither, |
]); |
|
foreach( glob( "*-*", indices(args)), string n ) |
a[n] = args[n]; |
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return query_internal_location()+the_cache->store( a ); |
} |
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mapping query_tag_callers() |
{ |
return ([ "cimg":tag_cimg, |
"cimg-url":tag_cimg_url ]); |
} |
|
|