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Fixes to documentation.

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Restored the lines drawn around symbols, it uses fl_color_average to
pick a dark line color that is still deactivatable.  Requested by CE.


git-svn-id: file:///fltk/svn/fltk/trunk@249 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Bill Spitzak
1999-01-27 08:45:11 +00:00
parent 7e0bd92469
commit 59c96f5463
17 changed files with 227 additions and 139 deletions
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documentation/Fl_Gl_Window.html
+1 -19
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@@ -124,7 +124,7 @@ mode.
<BR> void Fl_Gl_Window::valid(char i)</A></H4>
<TT>Fl_Gl_Window::valid()</TT> is turned off when FLTK creates a new
context for this window or when the window resizes, and is turned on <I>
after</I><TT>draw()</TT> is called. You can use this inside your <TT>
after</I> <TT>draw()</TT> is called. You can use this inside your <TT>
draw()</TT> method to avoid unneccessarily initializing the OpenGL
context. Just do this:
<UL><PRE>
@@ -139,24 +139,6 @@ void mywindow::draw() {
}
</PRE></UL>
<TT>Fl_Gl_Window::valid()</TT> is turned off when FLTK creates a
new context for this window and by the window resizing, and is turned
on <I>after</I> draw() is called. You can use this inside your draw()
method to avoid unneccessarily initializing the OpenGL context. Just
do this:
<UL><PRE>
void mywindow::draw() {
if (!valid()) {
glViewport(0,0,w(),h());
glFrustum(...);
glLight(...);
...other initilization...
}
... draw your geometry here ...
}
</PRE></UL>
You can turn <TT>valid()</TT> on by calling <TT>valid(1)</TT>. You
should only do this after fixing the transformation inside a <TT>draw()</TT>
or after <TT>make_current()</TT>. This is done automatically after <TT>