renderer doc update

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@171 c8812cc2-4d05-0410-92ff-de0c093fc19c

ChangeLog

@@ -1,3 +1,18 @@
+Version 0.0.8-alpha December 11, 2002
+*During repaint, the data store is only accessed if map state or extent
+ has changed
+*Changes to layer properites aren't effective until the Layer Properties
+ dialog is closed
+*Canceling the Layer Propeties dialog cancels changes
+
+Version 0.0.7-alpha November 30, 2002
+*Changes to the build system to allow building with/without PostgeSQL 
+ support
+
+Version 0.0.6a-alpha November 27, 2002
+*Fix to build problems introduced at 0.0.6. No new features are included
+ in this release.
+
 Version 0.0.6-alpha November 24, 2002
 *Improved handling/management of PostGIS connections
 *Password prompt if the password is not stored with a connection

src/qgsrenderer.h

@@ -19,12 +19,20 @@
 #include <map>
 class QString;
 
+/*! \class QgsRenderer
+* \brief Base class for all renderers
+*/
 class QgsRenderer {
+	//! Type of renderer
 	int type;
+	//! Field name used to render layer
 	QString field;
+	//! map of render items (ie. classes)
 	map<QString, QgsRenderItem>items;
 	public:
+	//! Constructor
 	QgsRenderer(int _type, QString _field);
+	//! Add a render item (class) to the renderer
 	void addItem(QString key, QgsRenderItem ri);
 	
 

src/qgsrenderitem.h

@@ -19,16 +19,34 @@
 #include <map>
 #include "qgssymbol.h"
 class QString;
-
+/*! \class QgsRenderItem
+* \brief A render item (also known as a class) that represents how to
+* render a feature of type "value".
+*/
 class QgsRenderItem {
 private:
+//! Symbol to use in rendering the class
 	QgsSymbol sym;
+	//! Value of the field 
 	QString value;
+	//! Label to use when rendering (may be same as value of field)
 	QString label;
 public:
+//! Default Constructor
 QgsRenderItem();
+/*! Constructor
+* @param symbol Symbol to use for rendering matching features
+* @param _value Value of the field
+* @param _label Label to use in the legend
+*/
 	QgsRenderItem(QgsSymbol symbol, QString _value, QString _label);
+	/*! Gets the symbol associated with this render item
+	* @return QgsSymbol pointer
+	*/
 	QgsSymbol *getSymbol();
+	/*! Sets the symbol associated with this render item
+	* @param s Symbol 
+	*/
 	void setSymbol(QgsSymbol s);
 	
 };