riched20: Don't create a display context in InvalidateParagraphRange().

dlls/riched20/wrap.c

@@ -1093,28 +1093,25 @@ void ME_InvalidateParagraphRange(ME_TextEditor *editor,
                                  ME_DisplayItem *start_para,
                                  ME_DisplayItem *last_para)
 {
-  ME_Context c;
   RECT rc;
   int ofs;
 
-  ME_InitContext(&c, editor, ITextHost_TxGetDC(editor->texthost));
-  rc = c.rcView;
+  rc = editor->rcFormat;
   ofs = editor->vert_si.nPos;
 
-  if (start_para) {
+  if (start_para)
+  {
     start_para = ME_GetOuterParagraph(start_para);
     last_para = ME_GetOuterParagraph(last_para);
-    rc.top = c.rcView.top + start_para->member.para.pt.y - ofs;
+    rc.top += start_para->member.para.pt.y - ofs;
   } else {
-    rc.top = c.rcView.top + editor->nTotalLength - ofs;
+    rc.top += editor->nTotalLength - ofs;
   }
   if (editor->nTotalLength < editor->nLastTotalLength)
-    rc.bottom = c.rcView.top + editor->nLastTotalLength - ofs;
+    rc.bottom = editor->rcFormat.top + editor->nLastTotalLength - ofs;
   else
-    rc.bottom = c.rcView.top + last_para->member.para.pt.y + last_para->member.para.nHeight - ofs;
+    rc.bottom = editor->rcFormat.top + last_para->member.para.pt.y + last_para->member.para.nHeight - ofs;
   ITextHost_TxInvalidateRect(editor->texthost, &rc, TRUE);
-
-  ME_DestroyContext(&c);
 }