From: Kenichi Handa <handa@m17n.org>
Date: Thu, 23 Aug 2007 12:13:24 +0000 (+0000)
Subject: (gamegrid-setup-default-font): Calculate a font
X-Git-Tag: emacs-pretest-23.0.90~8295^2~346
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=34764b731136816b9e346addd7997aceb41dfdbd;p=emacs.git

(gamegrid-setup-default-font): Calculate a font
height that doesn't exceed the requested height by rounding off.
---

diff --git a/lisp/play/gamegrid.el b/lisp/play/gamegrid.el
index 74158e7bfd3..dab015eb67b 100644
--- a/lisp/play/gamegrid.el
+++ b/lisp/play/gamegrid.el
@@ -320,7 +320,14 @@ static unsigned char gamegrid_bits[] = {
 			  (< max-height height))
 		      (setq max-height height))))))
       (when (and max-height (< max-height 1))
-	(set-face-attribute gamegrid-face nil :height max-height)))))
+	(let ((default-font-height (face-attribute 'default :height))
+	      (resy (/ (display-pixel-height) (/ (display-mm-height) 25.4)))
+	      point-size pixel-size)
+	  (setq point-size (/ (* (float default-font-height) max-height) 10)
+		pixel-size (floor (* resy (/ point-size 72.27)))
+		point-size (* (/ pixel-size resy) 72.27))
+	  (set-face-attribute gamegrid-face nil
+			      :height (floor (* point-size 10))))))))
 
 (defun gamegrid-initialize-display ()
   (setq gamegrid-display-mode (gamegrid-display-type))