From: Václav Slavík <vslavik@fastmail.fm>
Date: Thu, 15 Nov 2001 23:54:16 +0000 (+0000)
Subject: optimalization of wxHtmlWindow painting (used to repaint areas invalidated when scrol... 
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/b835e9bf4940cc1027c0ab364816bfd4aa229a72

optimalization of wxHtmlWindow painting (used to repaint areas invalidated when scrolling 3+ times)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12437 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp
index 0f5fc11366..7d79fe5523 100644
--- a/src/html/htmlwin.cpp
+++ b/src/html/htmlwin.cpp
@@ -632,23 +632,18 @@ void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell),
 
 void wxHtmlWindow::OnDraw(wxDC& dc)
 {
-    int x, y;
-    wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
-    int v_y, v_h;
+    if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return;
 
-    if (m_tmpCanDrawLocks > 0) return;
+    int x, y;
+    wxRect rect = GetUpdateRegion().GetBox();
 
     dc.SetMapMode(wxMM_TEXT);
     dc.SetBackgroundMode(wxTRANSPARENT);
     GetViewStart(&x, &y);
 
-    while (upd)
-    {
-        v_y = upd.GetY();
-        v_h = upd.GetH();
-        if (m_Cell) m_Cell->Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y);
-        upd++;
-    }
+    m_Cell->Draw(dc, 0, 0, 
+                 y * wxHTML_SCROLL_STEP + rect.GetTop(), 
+                 y * wxHTML_SCROLL_STEP + rect.GetBottom());
 }
 
 
@@ -785,4 +780,4 @@ IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
 #include "wx/html/forcelnk.h"
 FORCE_WXHTML_MODULES()
 
-#endif
\ No newline at end of file
+#endif