factor/unmaintained/pdf/pdf.factor

98 lines
2.6 KiB
Factor

! Copyright (C) 2007 Elie CHAFTARI
! See http://factorcode.org/license.txt for BSD license.
!
! Tested with libharu2 2.0.8 on Mac OS X 10.4.9 PowerPC
USING: assocs continuations hashtables kernel math namespaces pdf.libhpdf ;
IN: pdf
SYMBOL: pdf
SYMBOL: page
! =========================================================
! Error handling routines
! =========================================================
: check-status ( status -- )
dup zero? [
drop
] [
error-code >hashtable at throw
] if ;
! =========================================================
! Document handling routines
! =========================================================
: new-pdf ( error-handler user-data -- )
HPDF_New pdf set ;
: free-pdf ( -- )
pdf get HPDF_Free drop ;
: with-pdf ( quot -- )
[ f f new-pdf [ free-pdf ] [ ] cleanup ] with-scope ; inline
: set-compression-mode ( mode -- )
pdf get swap HPDF_SetCompressionMode check-status ;
: set-page-mode ( mode -- )
pdf get swap HPDF_SetPageMode check-status ;
: add-page ( -- )
pdf get HPDF_AddPage page set ;
: save-to-file ( filename -- )
pdf get swap HPDF_SaveToFile check-status ;
: get-font ( fontname encoding -- font )
pdf get -rot HPDF_GetFont ;
! =========================================================
! Page Handling routines
! =========================================================
: get-page-height ( -- height )
page get HPDF_Page_GetHeight ;
: get-page-width ( -- width )
page get HPDF_Page_GetWidth ;
: page-text-width ( text -- width )
page get swap HPDF_Page_TextWidth ;
! =========================================================
! Graphics routines
! =========================================================
: set-page-line-width ( linewidth -- )
page get swap HPDF_Page_SetLineWidth check-status ;
: page-rectangle ( x y width height -- )
>r >r >r >r page get r> r> r> r> HPDF_Page_Rectangle check-status ;
: page-stroke ( -- )
page get HPDF_Page_Stroke check-status ;
: set-page-font-and-size ( font size -- )
page get -rot HPDF_Page_SetFontAndSize check-status ;
: page-begin-text ( -- )
page get HPDF_Page_BeginText check-status ;
: page-text-out ( xpos ypos text -- )
page get -roll HPDF_Page_TextOut check-status ;
: page-end-text ( -- )
page get HPDF_Page_EndText check-status ;
: with-text ( -- )
[ page-begin-text [ page-end-text ] [ ] cleanup ] with-scope ; inline
: page-move-text-pos ( x y -- )
page get -rot HPDF_Page_MoveTextPos check-status ;
: page-show-text ( text -- )
page get swap HPDF_Page_ShowText check-status ;