Author: lou
Date: 2007-10-16 10:58:44 -0700 (Tue, 16 Oct 2007)
New Revision: 6867
Modified:
openlaszlo/trunk/docs/src/developers/views.dbk
Log:
Change 20071016-lou-X by [EMAIL PROTECTED] on 2007-10-16 13:50:37 AST
in /Users/lou/src/svn/openlaszlo/trunk
for http://svn.openlaszlo.org/openlaszlo/trunk
Summary: document pixel lock
New Features: Add section 3.4. Pixel locking to Chapter 26. Views
Bugs Fixed: LPP-992
Technical Reviewer: (pending)
QA Reviewer: (pending)
Doc Reviewer: John Sundman
Documentation:
Release Notes:
Details:
Tests:
Modified: openlaszlo/trunk/docs/src/developers/views.dbk
===================================================================
--- openlaszlo/trunk/docs/src/developers/views.dbk 2007-10-16 15:13:12 UTC
(rev 6866)
+++ openlaszlo/trunk/docs/src/developers/views.dbk 2007-10-16 17:58:44 UTC
(rev 6867)
@@ -864,7 +864,22 @@
</view>
</canvas>
</programlisting><?lzx-edit programs/views-$20.lzx></example?>
-<para/></section></section><section><title>View Hierarchy</title>
+<para/></section>
+<section>
+<title>Pixel locking</title>
+<para>Subpixel positioning gets blurry lines and images, with more positioning
possibilities. This makes it look worse
+for static images, and better for animation, and for drawing
+sets of evenly spaced images where the average spacing isn't an integral
number of pixels. If you do something which causes a view
+to end up at a non-integer x and y position, setting
<indexterm><primary>pixellock</primary></indexterm> to "true" will snap it the
nearest
+integer values.</para>
+<para>pixellock intercedes between the communication between
+Laszlo and the flash player. It's important to have setAttribute actually
+set the value you pass it, especially for animators. </para>
+<note><para>If you set pixellock to "true" for a view, you must also set
pixellock to "true" for all of that view's
+parents.</para></note>
+</section>
+</section>
+<section><title>View Hierarchy</title>
<para>Each view has a position in the <emphasis role="i">view
hierarchy</emphasis>, that is, the tree structure of objects in which each view
has
a parent, and, optionally, children and/or sibling views. In simple cases such
as the following the relationship of
parents and children is obvious from their position in the code.</para>
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