WXME0104 ## wxtextwxtabwxmediawximage$(lib "comment-snip.ss" "framework")+(lib "collapsed-snipclass.ss" "framework")drscheme:sexp-snipdrscheme:number,(lib "number-snip.ss" "drscheme" "private")"drscheme:vertical-separator-snip%wxbaddrscheme:xml-snip(lib "xml-snipclass.ss" "xml")drscheme:scheme-snip"(lib "scheme-snipclass.ss" "xml")wxloc+K ZZZZ StandardK-adobe-courier ZZZZF?\ZZZ???""Matching Parenthesis StyleF?\ZZZ???""F?\ZZZ???(drscheme:check-syntax:keywordF?\ZZZ???(F?ZZZZ???'drscheme:check-syntax:unbound-variableF?ZZZZ???F?ZZZZ???%drscheme:check-syntax:bound-variableF?ZZZZ??? drscheme:check-syntax:primitiveF?ZZZZ???F?ZZZZ???3'drscheme:check-syntax:constantF?ZZZZ???3'F?ZZZZ???**drscheme:check-syntax:baseF?ZZZZ???**F?ZZZZ??????XMLF?ZZZZ??????G?ZZZZ??????F?ZZZZ???G?ZZZZ???G?ZZZZ???dF?\ZZZ???K ZZZZK-adobe-courier ZZZZF?\ZZZ???""F?\ZZZ???(F?ZZZZ???F?ZZZZ???F?ZZZZ???3'F?ZZZZ???**F?ZZZZ??????G?ZZZZ??????F?ZZZZ???G?ZZZZ???G?ZZZZ???dF?\ZZZ???F?ZZ^Z???F?\ZZZ???F?ZZ^Z???F?\ZZZ???F?ZZZZ???F?ZZZZ???:(require (lib "url.ss" "net")) (require (lib "head.ss" "net"))  g(define url:snapshot (string->url "http://10.10.1.101/SnapshotJPEG?Resolution=320x240&Quality=Motion")) ;the url for the jpeg  (define (test url) 9 (call/input-url url get-impure-port display-pure-port))  ;(test url:snapshot) &;returned the ascii source of the jpeg ;ex. from beginning   HTTP/1.0 200 OK   Expires: 0  Content-type: image/jpeg  CP#   -;(purify-port (get-impure-port url:snapshot)) ';returned a number version of the ascii ;example from beginning  ^I"HTTP/1.0 200 OK\r\nExpires: 0\r\nContent-type: image/jpeg\n\n\377\330\37  B;(extract-all-fields (purify-port (get-impure-port url:snapshot))) A;retruned an s-expression containing the field names and contents ;example from beginning }(("Expires" . "0")  ("Content-type"  .  "image/jpeg\n\n\377\330\37   L;(extract-field "content-type" (purify-port (get-impure-port url:snapshot))) :;returns just the content of the image without the headers ;example from beginning /"image/jpeg\n\n\377\330\37  ;(send (make-object bitmap% (extract-field "content-type" (purify-port (get-impure-port url:snapshot))) 40 30) save-file "test2.xbm" 'xbm) ;creates the following image ;z#define img3997.001_width 40 #define img3997.001_height 30 #define img3997.001_x_hot 0 #define img3997.001_y_hot 0 static unsigned char img3997.001_bits[] = { 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x6a, 0x70, 0x65, 0x67, 0x0a, 0x0a, 0xff, 0xd8, 0xff, 0xdb, 0x00, 0x43, 0x00, 0x14, 0x0f, 0x0f, 0x14, 0x0f, 0x0f, 0x14, 0x14, 0x14, 0x14, 0x19, 0x19, 0x14, 0x19, 0x1e, 0x50, 0x23, 0x1e, 0x1e, 0x1e, 0x1e, 0x5f, 0x2d, 0x50, 0x28, 0x50, 0x69, 0x5f, 0x6e, 0x69, 0x69, 0x5f, 0x64, 0x64, 0x6e, 0x87, 0xaf, 0xa0, 0x6e, 0x73, 0xaa, 0x78, 0x6e, 0x78, 0xa0, 0xc8, 0xa5, 0xaa, 0xb4, 0xb9, 0xbe, 0xbe, 0xbe, 0x87, 0xa0, 0xcd, 0xf5, 0xc8, 0xd2, 0xf0, 0xaf, 0xf5, 0xf5, 0xf0, 0xff, 0xdb, 0x00, 0x43, 0x01, 0x19, 0x19, 0x19, 0x1e, 0x1e, 0x1e, 0x3c, 0x23, 0x23, 0x01, 0x01, 0x01, 0x46, 0x55, 0x7d, 0x7d, 0x7d, 0x7d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7d, 0x7d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0cx01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01};