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Prefer fl_push_clip() over fl_clip().

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2307 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Michael R Sweet
2002-06-11 20:58:12 +00:00
parent debda040dc
commit 34e35db71f
5 changed files with 16 additions and 13 deletions
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documentation/Fl_Scroll.html
+1 -1
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@@ -34,7 +34,7 @@ Fl_Double_Window</TT>. </P>
draw()</TT> method that draws the contents. The scrolling is done by
changing the <TT>x()</TT> and <TT>y()</TT> of the widget, so this child
must use the <TT>x()</TT> and <TT>y()</TT> to position it's drawing.
To speed up drawing it should test <A href=drawing.html#fl_clip><TT>fl_clip()</TT></A>
To speed up drawing it should test <A href=drawing.html#fl_push_clip><TT>fl_push_clip()</TT></A>
. </P>
<P>Another very useful child is a single <A href=Fl_Pack.html#Fl_Pack><TT>
Fl_Pack</TT></A>, which is itself a group that packs it's children
documentation/drawing.html
+6 -5
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@@ -67,18 +67,19 @@ following types of drawing functions:
<H3><A name="clipping">Clipping</A></H3>
<P>You can limit all your drawing to a rectangular region by calling
<TT>fl_clip</TT>, and put the drawings back by using <TT>fl_pop_clip</TT>.
<TT>fl_push_clip</TT>, and put the drawings back by using <TT>fl_pop_clip</TT>.
This rectangle is measured in pixels and is unaffected by the current
transformation matrix.
<P>In addition, the system may provide clipping when updating windows
which may be more complex than a simple rectangle.</P>
<H4><A name="fl_clip">void fl_push_clip(int x, int y, int w, int h)</A><BR>
void fl_clip(int x, int y, int w, int h)</H4>
<H4><A name="fl_push_clip">void fl_clip(int x, int y, int w, int h)</A><BR>
void fl_push_clip(int x, int y, int w, int h)</H4>
<P>Intersect the current clip region with a rectangle and push this new
region onto the stack.
region onto the stack. The <CODE>fl_clip()</CODE> name is deprecated and
will be removed from future releases.
<H4>void fl_push_no_clip()</H4>
@@ -93,7 +94,7 @@ region onto the stack.
<TD><B>Note:</B>
<P>You must call <TT>fl_pop_clip()</TT> once for every
time you call <TT>fl_clip()</TT>. If you return to FLTK
time you call <TT>fl_push_clip()</TT>. If you return to FLTK
with the clip stack not empty unpredictable results
occur.