Implement hatched/stippled pens/brushes in wxGraphicsContext for Cairo.

[wxWidgets.git] / docs / doxygen / overviews / refcount.h

diff --git a/docs/doxygen/overviews/refcount.h b/docs/doxygen/overviews/refcount.h
index 48a2bf1bb7d5cb94de042b29ab0aceab416fe648..90f392ff3be2cea840b8798cfe6395008e051cb5 100644 (file)
--- a/docs/doxygen/overviews/refcount.h
+++ b/docs/doxygen/overviews/refcount.h
@@ -3,7 +3,7 @@
 // Purpose:     topic overview
 // Author:      wxWidgets team
 // RCS-ID:      $Id$
 // Purpose:     topic overview
 // Author:      wxWidgets team
 // RCS-ID:      $Id$

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /**
 /////////////////////////////////////////////////////////////////////////////
 
 /**


@@ -41,12 +41,13 @@ operation on it is the same.
 
 @section overview_refcount_equality Object Comparison
 
 
 @section overview_refcount_equality Object Comparison
 

-The == and != operators of the reference counted classes always do a @c deep
-comparison. This means that the equality operator will return @true if two
-objects are identical and not only if they share the same data.
+The == and != operators of @ref overview_refcount_list "the reference counted classes"
+always do a <em>deep comparison</em>. This means that the equality operator
+will return @true if two objects are identical and not only if they share the
+same data.

 
 Note that wxWidgets follows the <em>STL philosophy</em>: when a comparison
 
 Note that wxWidgets follows the <em>STL philosophy</em>: when a comparison

-operator can not be implemented efficiently (like for e.g. wxImage's ==
+operator cannot be implemented efficiently (like for e.g. wxImage's ==

 operator which would need to compare the entire image's data, pixel-by-pixel),
 it's not implemented at all. That's why not all reference counted classes
 provide comparison operators.
 operator which would need to compare the entire image's data, pixel-by-pixel),
 it's not implemented at all. That's why not all reference counted classes
 provide comparison operators.


@@ -77,6 +78,12 @@ operators and copy constructors since they are reference-counted:
 @li wxBrush
 @li wxCursor
 @li wxFont
 @li wxBrush
 @li wxCursor
 @li wxFont

+@li wxGraphicsBrush
+@li wxGraphicsContext
+@li wxGraphicsFont
+@li wxGraphicsMatrix
+@li wxGraphicsPath
+@li wxGraphicsPen

 @li wxIcon
 @li wxImage
 @li wxMetafile
 @li wxIcon
 @li wxImage
 @li wxMetafile


@@ -90,19 +97,20 @@ operators and copy constructors since they are reference-counted:
 Note that the list above reports the objects which are reference counted in all
 ports of wxWidgets; some ports may use this technique also for other classes.
 
 Note that the list above reports the objects which are reference counted in all
 ports of wxWidgets; some ports may use this technique also for other classes.
 

-All the objects implement a function IsOk() to test if they are referencing valid
-data; when the objects are in uninitialized state, you can only use the IsOk() getter;
+All the objects implement a function @b IsOk() to test if they are referencing valid
+data; when the objects are in uninitialized state, you can only use the @b IsOk() getter;

 trying to call any other getter, e.g. wxBrush::GetStyle() on the ::wxNullBrush object,
 will result in an assert failure in debug builds.
 
 
 @section overview_refcount_object Making Your Own Reference Counted Class
 
 trying to call any other getter, e.g. wxBrush::GetStyle() on the ::wxNullBrush object,
 will result in an assert failure in debug builds.
 
 
 @section overview_refcount_object Making Your Own Reference Counted Class
 

-Reference counting can be implemented easily using wxObject and wxObjectRefData
-classes. Alternatively, you can also use the wxObjectDataPtr<T> template.
+Reference counting can be implemented easily using wxObject or using
+the intermediate wxRefCounter class directly. 
+Alternatively, you can also use the wxObjectDataPtr<T> template.

 
 

-First, derive a new class from wxObjectRefData and put there the
-memory-consuming data.
+First, derive a new class from wxRefCounter (or wxObjectRefData when
+using a wxObject derived class) and put the memory-consuming data in it.

 
 Then derive a new class from wxObject and implement there the public interface
 which will be seen by the user of your class. You'll probably want to add a
 
 Then derive a new class from wxObject and implement there the public interface
 which will be seen by the user of your class. You'll probably want to add a


@@ -120,7 +128,7 @@ In fact, any time you need to read the data from your wxObject-derived class,
 you will need to call this function.
 
 @note Any time you need to actually modify the data placed inside your wxObject
 you will need to call this function.
 
 @note Any time you need to actually modify the data placed inside your wxObject

-derived class, you must first call the wxObject::UnShare function to ensure
+derived class, you must first call the wxObject::UnShare() function to ensure

 that the modifications won't affect other instances which are eventually
 sharing your object's data.
 
 that the modifications won't affect other instances which are eventually
 sharing your object's data.