From 16d4fd2f99a7b10fb631e1935c520b8ce7cc814b Mon Sep 17 00:00:00 2001
From: Graeme Geldenhuys <graeme@mastermaths.co.za>
Date: Mon, 8 Aug 2011 17:07:34 +0200
Subject: richview: minor refactoring of code and fixing of one memory leak.

---
 docview/components/richtext/RichTextLayoutUnit.pas | 40 +++++++++++-----------
 1 file changed, 20 insertions(+), 20 deletions(-)

(limited to 'docview/components/richtext')

diff --git a/docview/components/richtext/RichTextLayoutUnit.pas b/docview/components/richtext/RichTextLayoutUnit.pas
index 1e593854..d6b86a69 100644
--- a/docview/components/richtext/RichTextLayoutUnit.pas
+++ b/docview/components/richtext/RichTextLayoutUnit.pas
@@ -293,6 +293,18 @@ Var
   DoWrap: boolean;
 
   // Nested procedure
+  procedure CreateDefaultCurrentLine;
+  begin
+    CurrentLine := TLayoutLine.Create;
+    CurrentLine.Style := Style;
+    CurrentLine.Height := 0;
+    CurrentLine.MaxDescender := 0;
+    CurrentLine.MaxTextHeight := 0;
+    CurrentLine.Width := 0;
+    CurrentLine.LinkIndex := CurrentLinkIndex;
+    CurrentLine.Wrapped := false;
+  end;
+
   Procedure DoLine( EndPoint: PChar; NextLine: PChar; EndX: longint );
   begin
     // check if the max font
@@ -306,15 +318,8 @@ Var
     Assert( CurrentLine.Height > 0 ); // we must have set the line height!
     AddLineStart( CurrentLine );
 
-    CurrentLine := TLayoutLine.Create;
+    CreateDefaultCurrentLine;
     CurrentLine.Text := NextLine;
-    CurrentLine.Style := Style;
-    CurrentLine.Height := 0;
-    CurrentLine.MaxDescender := 0;
-    CurrentLine.MaxTextHeight := 0;
-    CurrentLine.Width := 0;
-    CurrentLine.LinkIndex := CurrentLinkIndex;
-    CurrentLine.Wrapped := false;
 
     assert( CurrentLinkIndex >= -1 );
     assert( CurrentLinkIndex < FLinks.Count );
@@ -333,18 +338,6 @@ ProfileEvent('DEBUG:  TRichTextLayout.Layout  >>>>');
   Style := GetDefaultStyle( FRichTextSettings );
   ApplyStyle( Style, FFontManager );
   CurrentLinkIndex := -1;
-  P := FText; // P is the current search position
-
-  CurrentLine := TLayoutLine.Create;
-  CurrentLine.Text := P;
-  CurrentLine.Style := Style;
-  CurrentLine.Height := 0;
-  CurrentLine.MaxDescender := 0;
-  CurrentLine.MaxTextHeight := 0;
-  CurrentLine.Width := 0;
-  CurrentLine.LinkIndex := -1;
-  CurrentLine.Wrapped := false;
-
   WordStartX := Style.LeftMargin;
   WordX := 0;
   WrapX := FLayoutWidth - FRichTextSettings.Margins.Right;
@@ -352,6 +345,13 @@ ProfileEvent('DEBUG:  TRichTextLayout.Layout  >>>>');
   WordStarted := false;
   DisplayedCharsSinceFontChange := false;
 
+  P := FText; // P is the current search position
+
+  if FText = '' then
+    exit;
+  CreateDefaultCurrentLine;
+  CurrentLine.Text := P;
+
   repeat
     CurrentElement := ExtractNextTextElement( P, NextP );
     assert( NextP > P );
-- 
cgit v1.2.3-70-g09d2