diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/ChangeLog | 9 | ||||
| -rw-r--r-- | lisp/doc-view.el | 28 |
2 files changed, 35 insertions, 2 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog index 474216b6a2..4b333ca8ab 100644 --- a/lisp/ChangeLog +++ b/lisp/ChangeLog @@ -1,3 +1,12 @@ +2007-11-15 Stefan Monnier <[email protected]> + + * doc-view.el (doc-view-ghostscript-options): Remove resolution arg. + (doc-view-resolution): New custom var. + (doc-view-pdf/ps->png): Use it. + (doc-view-shrink-factor): New var. + (doc-view-enlarge, doc-view-shrink): New commands. + (doc-view-mode-map): Use them. + 2007-11-15 Juanma Barranquero <[email protected]> * ediff-wind.el (ediff-window-setup-function): diff --git a/lisp/doc-view.el b/lisp/doc-view.el index c07f5b5967..e7d96f3713 100644 --- a/lisp/doc-view.el +++ b/lisp/doc-view.el @@ -102,7 +102,8 @@ ;; - better menu. ;; - don't use `find-file'. ;; - Bind slicing to a drag event. -;; - zoom (the whole document and/or just the region around the cursor). +;; - doc-view-fit-doc-to-window and doc-view-fit-window-to-doc. +;; - zoom a the region around the cursor (like xdvi). ;; - get rid of the silly arrow in the fringe. ;; - improve anti-aliasing (pdf-utils gets it better). @@ -154,11 +155,16 @@ '("-dSAFER" ;; Avoid security problems when rendering files from untrusted ;; sources. "-dNOPAUSE" "-sDEVICE=png16m" "-dTextAlphaBits=4" - "-dBATCH" "-dGraphicsAlphaBits=4" "-dQUIET" "-r100") + "-dBATCH" "-dGraphicsAlphaBits=4" "-dQUIET") "A list of options to give to ghostscript." :type '(repeat string) :group 'doc-view) +(defcustom doc-view-resolution 100 + "Dots per inch resolution used to render the documents. +Higher values result in larger images." + :type 'number) + (defcustom doc-view-dvipdfm-program (executable-find "dvipdfm") "Program to convert DVI files to PDF. @@ -253,6 +259,9 @@ has finished." (define-key map (kbd "M-<") 'doc-view-first-page) (define-key map (kbd "M->") 'doc-view-last-page) (define-key map [remap goto-line] 'doc-view-goto-page) + ;; Zoom in/out. + (define-key map "+" 'doc-view-enlarge) + (define-key map "-" 'doc-view-shrink) ;; Killing/burying the buffer (and the process) (define-key map (kbd "q") 'bury-buffer) (define-key map (kbd "k") 'doc-view-kill-proc-and-buffer) @@ -448,6 +457,20 @@ It's a subdirectory of `doc-view-cache-directory'." ;;;; Conversion Functions +(defvar doc-view-shrink-factor 1.125) + +(defun doc-view-enlarge (factor) + "Enlarge the document." + (interactive (list doc-view-shrink-factor)) + (set (make-local-variable 'doc-view-resolution) + (* factor doc-view-resolution)) + (doc-view-reconvert-doc)) + +(defun doc-view-shrink (factor) + "Shrink the document." + (interactive (list doc-view-shrink-factor)) + (doc-view-enlarge (/ 1.0 factor))) + (defun doc-view-reconvert-doc () "Reconvert the current document. Should be invoked when the cached images aren't up-to-date." @@ -503,6 +526,7 @@ Should be invoked when the cached images aren't up-to-date." (append (list "pdf/ps->png" doc-view-conversion-buffer doc-view-ghostscript-program) doc-view-ghostscript-options + (list (format "-r%d" (round doc-view-resolution))) (list (concat "-sOutputFile=" png)) (list pdf-ps))) mode-line-process (list (format ":%s" doc-view-current-converter-process))) |