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diff doodle/main/prog/doodler.d @ 69:d540f7e4af9e

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Checkpoint
author "David Bryant <bagnose@gmail.com>"
date Sat, 14 Aug 2010 19:39:58 +0930
parents 20d6327c4a75
children 06b4504cbcb0
line wrap: on
line diff
--- a/doodle/main/prog/doodler.d	Fri Aug 13 15:53:48 2010 +0930
+++ b/doodle/main/prog/doodler.d	Sat Aug 14 19:39:58 2010 +0930
@@ -50,7 +50,11 @@
         layers ~= new PageLayer;
         layers ~= gridLayer;
         layers ~= toolLayer;
-        auto canvas = new Canvas(layers, toolLayer, gridLayer, 120.0);
+
+        // assume the screen has PPI of 120.0
+        immutable millimetersPerInch = 25.4;
+        immutable pixelsPerMillimetre = 120.0 / millimetersPerInch;
+        auto canvas = new Canvas(layers, toolLayer, gridLayer, pixelsPerMillimetre);
 
         vbox.packStart(canvas, true, true, 0);