Use a ServerFont instance which is assigned to the currently

used font, so that the FontStyle reference count reflects the
fact that the AGG engine might still use the font
-> I think this "fix" is valid, but I have still seen crashes
in the freetype code.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14446 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/drawing/Painter/font_support/AGGTextRenderer.cpp

@@ -70,6 +70,7 @@ AGGTextRenderer::AGGTextRenderer()
 	  fKerning(true),
 	  fEmbeddedTransformation(),
 
+	  fFont(),
 	  fLastFamilyAndStyle(0),
 	  fLastPointSize(-1.0),
 	  fLastHinted(false)
@@ -111,6 +112,7 @@ AGGTextRenderer::SetFont(const ServerFont &font)
 
 	fLastFamilyAndStyle = font.GetFamilyAndStyle();
 	fEmbeddedTransformation = transform;
+	fFont = font;
 
 	_UpdateSizeAndHinting(font.Size(), fEmbeddedTransformation.IsIdentity() && fHinted, load);
 

src/servers/app/drawing/Painter/font_support/AGGTextRenderer.h

@@ -80,6 +80,7 @@ class AGGTextRenderer {
 	Transformable				fEmbeddedTransformation;	// rotated or sheared font?
 
 	// caching to avoid loading a font unnecessarily
+	ServerFont					fFont;
 	uint32						fLastFamilyAndStyle;
 	float						fLastPointSize;
 	bool						fLastHinted;