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#lang at-exp br
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(require pitfall/render)
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(define cosh (make-co-hash))
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;; catalog object
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(+co-hash cosh 1 (co-catalog #:pages (make-co-io-ref 2)))
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;; pages
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(+co-hash cosh 2 (co-pages #:kids (list (make-co-io-ref 3))
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#:count 1))
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;; page
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(+co-hash cosh 3 (co-page #:parent (make-co-io-ref 2)
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#:mediabox '(0 0 400 400)
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#:resources (make-co-io-ref 4)
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#:contents (make-co-io-ref 5)
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; the value of annots must be an array
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#:annots (co-array (list (make-co-io-ref 7)))
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))
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#;#:annots #;(make-co-io-ref 7)
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;; resources
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(+co-hash cosh 4
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(make-co-dict
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'ProcSet (co-array '(PDF Text))
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'Font (make-co-dict 'F1 (make-co-io-ref 6)
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'F2 (make-co-io-ref 9)
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'F3 (make-co-io-ref 12))))
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(define (pdf-char-encode c)
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(format "\\~a" (number->string (char->integer c) 8)))
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(define (typeset-text str size font-path)
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(string->bytes/latin-1
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(string-append*
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(for/list ([c (in-string str)])
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(format "(~a) Tj ~a 0 Td"
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(pdf-char-encode c)
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(/ (* size (measure-char font-path c)) 1000.0))))))
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;; Charter font
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(define charter-font-path "charter.otf")
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(+co-hash cosh 6
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(make-co-dict
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'Type 'Font
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'Subtype 'Type1
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'Name 'F1
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'FontDescriptor (make-co-dict
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'Type 'FontDescriptor
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'FontFile3 (make-co-io-ref 8)
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'Flags 4
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'FontBBox (co-array '(-177 -269 1123 866))
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'MissingWidth 255
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'StemV 105
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'StemH 45
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'CapHeight 660
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'XHeight 394
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'Ascent 720
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'Descent -270
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'Leading 83
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'MaxWidth 1212
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'AvgWidth 478
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'ItalicAngle 0)
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'Encoding (make-co-io-ref 25)))
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(require "glyph-list.rkt")
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(+co-hash cosh 25
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(make-co-dict
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'Type 'Encoding
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'Differences (co-array (flatten glyph-list))))
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(+co-hash cosh 8 (make-font-co-stream charter-font-path))
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;; Miso font
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(define miso-font-path "miso.otf")
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(+co-hash cosh 9
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(make-co-dict
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'Type 'Font
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'Subtype 'Type1
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'Name 'F2
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'FontDescriptor (make-co-dict
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'Type 'FontDescriptor
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'FontFile3 (make-co-io-ref 10)
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'Flags 4
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'FontBBox (co-array '(-177 -269 1123 866))
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'MissingWidth 255
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'StemV 105
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'StemH 45
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'CapHeight 660
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'XHeight 394
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'Ascent 720
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'Descent -270
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'Leading 83
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'MaxWidth 1212
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'AvgWidth 478
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'ItalicAngle 0)
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'Encoding (make-co-io-ref 25)))
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(+co-hash cosh 10 (make-font-co-stream miso-font-path))
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;; fira font
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(define fira-font-path "fira.otf")
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(+co-hash cosh 12
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(make-co-dict
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'Type 'Font
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'Subtype 'Type1
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'Name 'F3
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'FontDescriptor (make-co-dict
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'Type 'FontDescriptor
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'FontFile3 (make-co-io-ref 13)
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'Flags 4
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'FontBBox (co-array '(-177 -269 1123 866))
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'MissingWidth 255
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'StemV 105
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'StemH 45
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'CapHeight 660
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'XHeight 394
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'Ascent 720
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'Descent -270
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'Leading 83
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'MaxWidth 1212
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'AvgWidth 478
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'ItalicAngle 0)
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'Encoding (make-co-io-ref 25)))
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(+co-hash cosh 13 (make-font-co-stream fira-font-path))
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;; contents
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(+co-hash cosh 5
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(make-co-stream
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(bytes-append
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#"BT /F1 36 Tf 50 50 Td"
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(typeset-text "Hel’o Wørld 4-1" 36 charter-font-path)
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#"/F2 36 Tf -250 50 Td"
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(typeset-text "Ençhîládà 10" 36 miso-font-path)
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#"/F3 36 Tf -150 50 Td"
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(typeset-text "Bõîng Mé 5" 36 fira-font-path)
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#"ET")))
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(render cosh)
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