X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Foutput-ps.scm;h=06b324b799c7abd07f10c1518ead850bd897724e;hb=5772b14978ff5573fee304fc8b13663f83fce6b5;hp=aef4802eb71d8b6e41391055a10640dcdf17fe48;hpb=e6cbbfc02ce33ad0b500a3af16e2351f21095f31;p=lilypond.git diff --git a/scm/output-ps.scm b/scm/output-ps.scm index aef4802eb7..06b324b799 100644 --- a/scm/output-ps.scm +++ b/scm/output-ps.scm @@ -1,9 +1,20 @@ -;;;; output-ps.scm -- implement Scheme output interface for PostScript +;;;; This file is part of LilyPond, the GNU music typesetter. ;;;; -;;;; source file of the GNU LilyPond music typesetter -;;;; -;;;; (c) 1998--2007 Jan Nieuwenhuizen +;;;; Copyright (C) 1998--2010 Jan Nieuwenhuizen ;;;; Han-Wen Nienhuys +;;;; +;;;; LilyPond 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 of the License, or +;;;; (at your option) any later version. +;;;; +;;;; LilyPond 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 LilyPond. If not, see . ;;;; Note: currently misused as testbed for titles with markup, see ;;;; input/test/title-markup.ly @@ -14,33 +25,7 @@ ;;;; * document output-interface (define-module (scm output-ps) - #:re-export (quote) - - ;; JUNK this -- see lily.scm: ly:all-output-backend-commands - #:export (unknown - bezier-sandwich - char - circle - comment - dashed-line - dashed-slur - dot - draw-line - ellipse - embedded-ps - named-glyph - no-origin - placebox - polygon - repeat-slash - resetcolor - resetrotation - round-filled-box - setcolor - setrotation - text - )) - + #:re-export (quote)) (use-modules (guile) (ice-9 regex) @@ -135,8 +120,8 @@ (define (glyph-spec w x y g) (let ((prefix (if (string? g) "/" ""))) - (ly:format "~4f ~4f ~a~a" - (+ w x) y + (ly:format "~4f ~4f ~4f ~a~a" + w x y prefix g))) (ly:format @@ -177,12 +162,11 @@ (+ (car offset) (cdr x-ext)) (+ (cdr offset) (cdr y-ext)) - ;; TODO - ;;full escaping. + ;; Backslashes are not valid + ;; file URI path separators. + (ly:string-percent-encode + (ly:string-substitute "\\" "/" file)) - ;; backslash is interpreted by GS. - (ly:string-substitute "\\" "/" - (ly:string-substitute " " "%20" file)) (cadr location) (caddr location) (cadddr location)) @@ -198,10 +182,18 @@ (define (no-origin) "") -(define (placebox x y s) +(define (oval x-radius y-radius thick fill) (ly:format -"~4f ~4f moveto -~a\n" x y s)) + "~a ~4f ~4f ~4f draw_oval" + (if fill + "true" + "false") + x-radius y-radius thick)) + +(define (placebox x y s) + (if (not (string-null? s)) + (ly:format "~4f ~4f moveto ~a\n" x y s) + "")) (define (polygon points blot-diameter filled?) (ly:format "~a ~4l ~a ~4f draw_polygon" @@ -235,7 +227,7 @@ (list r g b))) ;; restore color from stack -(define (resetcolor) "grestore \n") +(define (resetcolor) "grestore\n") ;; rotation around given point (define (setrotation ang x y) @@ -247,29 +239,6 @@ (define (resetrotation ang x y) "grestore ") - -(define (text font s) - ;; (ly:warning (_ "TEXT backend-command encountered in Pango backend")) - ;; (ly:warning (_ "Arguments: ~a ~a"" font str)) - - (let* ((space-length (cdar (ly:text-dimension font " "))) - (space-move (string-append (number->string space-length) - ;; how much precision do we need here? - " 0.0 rmoveto ")) - (out-vec (decode-byte-string s))) - - (string-append - (ps-font-command font) " " - (string-join - (vector->list - (vector-for-each - - (lambda (sym) - (if (eq? sym 'space) - space-move - (string-append "/" (symbol->string sym) " glyphshow"))) - out-vec)))))) - (define (unknown) "\n unknown\n") @@ -281,9 +250,6 @@ (cdr y) url)) -(define (utf-8-string pango-font-description string) - (ly:warning (_ "utf-8-string encountered in PS backend"))) - (define (path thickness exps) (define (convert-path-exps exps) (if (pair? exps) @@ -294,6 +260,7 @@ (cond ((memq head '(rmoveto rlineto lineto moveto)) 2) ((memq head '(rcurveto curveto)) 6) + ((eq? head 'closepath) 0) (else 1))) (args (take rest arity)) ) @@ -308,7 +275,7 @@ (ly:format - "1 setlinecap ~a setlinewidth\n~l stroke" + "gsave currentpoint translate 1 setlinecap ~a setlinewidth\n~l stroke grestore" thickness - (convert-path-exps exps) )) + (convert-path-exps exps)))