[ jEdit-commits ] SF.net SVN: jedit:[13537] jEdit/trunk

[<k_s...@us...>]

Revision: 13537
          http://jedit.svn.sourceforge.net/jedit/?rev=13537&view=rev
Author:   k_satoda
Date:     2008-09-06 13:17:40 +0000 (Sat, 06 Sep 2008)

Log Message:
-----------
Replaced createGlyphVector() to layoutGlyphVector() to improve rendering
of complex text layout in TextArea. (SF.net bug #981012)

Modified Paths:
--------------
    jEdit/trunk/doc/CHANGES.txt
    jEdit/trunk/org/gjt/sp/jedit/syntax/Chunk.java

Modified: jEdit/trunk/doc/CHANGES.txt
===================================================================
--- jEdit/trunk/doc/CHANGES.txt	2008-09-06 11:11:16 UTC (rev 13536)
+++ jEdit/trunk/doc/CHANGES.txt	2008-09-06 13:17:40 UTC (rev 13537)
@@ -45,6 +45,9 @@
   (SF.net Plugin Bugs #1620694) and consumed much memory.
   (Kazutoshi Satoda)
 
+- Improved rendering of complex text layout (like Indic text) in text
+  area. (SF.net bug #981012 - Kazutoshi Satoda)
+
 }}}
 {{{ Docker Plugin features merged into jEdit Core
 - New actions: View - Docking - Load|Save docking layout (of current mode)

Modified: jEdit/trunk/org/gjt/sp/jedit/syntax/Chunk.java
===================================================================
--- jEdit/trunk/org/gjt/sp/jedit/syntax/Chunk.java	2008-09-06 11:11:16 UTC (rev 13536)
+++ jEdit/trunk/org/gjt/sp/jedit/syntax/Chunk.java	2008-09-06 13:17:40 UTC (rev 13537)
@@ -308,8 +308,15 @@
 
 			str = new String(seg.array,seg.offset + offset,length);
 
-			gv = style.getFont().createGlyphVector(
-				fontRenderContext, str);
+			int textStart = seg.offset + offset;
+			int textLimit = textStart + length;
+			// FIXME: Need BiDi support.
+			int layoutFlags = Font.LAYOUT_LEFT_TO_RIGHT
+				| Font.LAYOUT_NO_START_CONTEXT
+				| Font.LAYOUT_NO_LIMIT_CONTEXT;
+			gv = style.getFont().layoutGlyphVector(
+				fontRenderContext,
+				seg.array, textStart, textLimit, layoutFlags);
 			Rectangle2D logicalBounds = gv.getLogicalBounds();
 
 			width = (float)logicalBounds.getWidth();


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